gstreamer_core/gst/gstutils.c
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:16:41 +0100
branchRCL_3
changeset 8 7e817e7e631c
parent 7 567bb019e3e3
permissions -rw-r--r--
Revert incorrect RCL_3 drop: Revision: 201010 Kit: 201035
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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/* GStreamer
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 * Copyright (C) 1999,2000 Erik Walthinsen <omega@cse.ogi.edu>
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 *                    2000 Wim Taymans <wtay@chello.be>
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 *                    2002 Thomas Vander Stichele <thomas@apestaart.org>
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 *
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 * gstutils.c: Utility functions: gtk_get_property stuff, etc.
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Library General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Library General Public License for more details.
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 *
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 * You should have received a copy of the GNU Library General Public
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 * License along with this library; if not, write to the
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 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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 * Boston, MA 02111-1307, USA.
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 */
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/**
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 * SECTION:gstutils
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 * @short_description: Various utility functions
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 *
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 * When defining own plugins, use the GST_BOILERPLATE ease gobject creation.
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 */
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#include "gst_private.h"
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#include <stdio.h>
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#include <string.h>
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#include "gstghostpad.h"
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#include "gstutils.h"
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#include "gsterror.h"
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#include "gstinfo.h"
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#include "gstparse.h"
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#include "gst-i18n-lib.h"
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#ifdef __SYMBIAN32__
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#include <glib_global.h>
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#include <gobject_global.h>
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#endif
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/**
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 * gst_util_dump_mem:
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 * @mem: a pointer to the memory to dump
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 * @size: the size of the memory block to dump
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 *
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 * Dumps the memory block into a hex representation. Useful for debugging.
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 */
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#ifdef __SYMBIAN32__
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EXPORT_C
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#endif
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void
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gst_util_dump_mem (const guchar * mem, guint size)
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{
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  guint i, j;
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  GString *string = g_string_sized_new (50);
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  GString *chars = g_string_sized_new (18);
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  i = j = 0;
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  while (i < size) {
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    if (g_ascii_isprint (mem[i]))
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      g_string_append_c (chars, mem[i]);
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    else
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      g_string_append_c (chars, '.');
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    g_string_append_printf (string, "%02x ", mem[i]);
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    j++;
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    i++;
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    if (j == 16 || i == size) {
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      g_print ("%08x (%p): %-48.48s %-16.16s\n", i - j, mem + i - j,
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          string->str, chars->str);
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      g_string_set_size (string, 0);
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      g_string_set_size (chars, 0);
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      j = 0;
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    }
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  }
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  g_string_free (string, TRUE);
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  g_string_free (chars, TRUE);
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}
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/**
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 * gst_util_set_value_from_string:
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 * @value: the value to set
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 * @value_str: the string to get the value from
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 *
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 * Converts the string to the type of the value and
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 * sets the value with it.
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 */
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#ifdef __SYMBIAN32__
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EXPORT_C
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#endif
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void
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gst_util_set_value_from_string (GValue * value, const gchar * value_str)
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{
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  gint sscanf_ret;
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  g_return_if_fail (value != NULL);
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  g_return_if_fail (value_str != NULL);
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  GST_CAT_DEBUG (GST_CAT_PARAMS, "parsing '%s' to type %s", value_str,
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      g_type_name (G_VALUE_TYPE (value)));
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   114
  switch (G_VALUE_TYPE (value)) {
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diff changeset
   115
    case G_TYPE_STRING:
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   116
      g_value_set_string (value, value_str);
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diff changeset
   117
      break;
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diff changeset
   118
    case G_TYPE_ENUM:
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diff changeset
   119
    case G_TYPE_INT:{
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diff changeset
   120
      gint i;
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diff changeset
   121
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diff changeset
   122
      sscanf_ret = sscanf (value_str, "%d", &i);
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diff changeset
   123
      g_return_if_fail (sscanf_ret == 1);
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diff changeset
   124
      g_value_set_int (value, i);
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diff changeset
   125
      break;
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diff changeset
   126
    }
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diff changeset
   127
    case G_TYPE_UINT:{
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diff changeset
   128
      guint i;
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diff changeset
   129
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diff changeset
   130
      sscanf_ret = sscanf (value_str, "%u", &i);
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diff changeset
   131
      g_return_if_fail (sscanf_ret == 1);
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diff changeset
   132
      g_value_set_uint (value, i);
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diff changeset
   133
      break;
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diff changeset
   134
    }
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diff changeset
   135
    case G_TYPE_LONG:{
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diff changeset
   136
      glong i;
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diff changeset
   137
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diff changeset
   138
      sscanf_ret = sscanf (value_str, "%ld", &i);
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diff changeset
   139
      g_return_if_fail (sscanf_ret == 1);
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diff changeset
   140
      g_value_set_long (value, i);
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diff changeset
   141
      break;
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diff changeset
   142
    }
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diff changeset
   143
    case G_TYPE_ULONG:{
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diff changeset
   144
      gulong i;
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diff changeset
   145
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diff changeset
   146
      sscanf_ret = sscanf (value_str, "%lu", &i);
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diff changeset
   147
      g_return_if_fail (sscanf_ret == 1);
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diff changeset
   148
      g_value_set_ulong (value, i);
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diff changeset
   149
      break;
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diff changeset
   150
    }
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diff changeset
   151
    case G_TYPE_BOOLEAN:{
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diff changeset
   152
      gboolean i = FALSE;
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diff changeset
   153
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   154
      if (!g_ascii_strncasecmp ("true", value_str, 4))
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   155
        i = TRUE;
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diff changeset
   156
      g_value_set_boolean (value, i);
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   157
      break;
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diff changeset
   158
    }
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   159
    case G_TYPE_CHAR:{
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   160
      gchar i;
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   161
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   162
      sscanf_ret = sscanf (value_str, "%c", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   163
      g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   164
      g_value_set_char (value, i);
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diff changeset
   165
      break;
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parents: 7
diff changeset
   166
    }
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   167
    case G_TYPE_UCHAR:{
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diff changeset
   168
      guchar i;
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   169
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diff changeset
   170
      sscanf_ret = sscanf (value_str, "%c", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   171
      g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   172
      g_value_set_uchar (value, i);
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   173
      break;
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parents: 7
diff changeset
   174
    }
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   175
    case G_TYPE_FLOAT:{
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diff changeset
   176
      gfloat i;
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diff changeset
   177
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diff changeset
   178
      sscanf_ret = sscanf (value_str, "%f", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   179
      g_return_if_fail (sscanf_ret == 1);
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parents: 7
diff changeset
   180
      g_value_set_float (value, i);
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   181
      break;
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parents: 7
diff changeset
   182
    }
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   183
    case G_TYPE_DOUBLE:{
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diff changeset
   184
      gfloat i;
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   185
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   186
      sscanf_ret = sscanf (value_str, "%g", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   187
      g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   188
      g_value_set_double (value, (gdouble) i);
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   189
      break;
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   190
    }
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   191
    default:
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diff changeset
   192
      break;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
  }
0e761a78d257 Revision: 200949
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parents:
diff changeset
   194
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
 * gst_util_set_object_arg:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
 * @object: the object to set the argument of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
 * @name: the name of the argument to set
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
 * @value: the string value to set
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
 * Convertes the string value to the type of the objects argument and
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
 * sets the argument with it.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
gst_util_set_object_arg (GObject * object, const gchar * name,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
    const gchar * value)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
{
8
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   213
  gboolean sscanf_ret;
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   214
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   215
  if (name && value) {
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   216
    GParamSpec *paramspec;
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   217
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   218
    paramspec =
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diff changeset
   219
        g_object_class_find_property (G_OBJECT_GET_CLASS (object), name);
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diff changeset
   220
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parents: 7
diff changeset
   221
    if (!paramspec) {
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   222
      return;
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   223
    }
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diff changeset
   224
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   225
    GST_DEBUG ("paramspec->flags is %d, paramspec->value_type is %d",
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   226
        paramspec->flags, (gint) paramspec->value_type);
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   227
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   228
    if (paramspec->flags & G_PARAM_WRITABLE) {
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   229
      switch (paramspec->value_type) {
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   230
        case G_TYPE_STRING:
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   231
          g_object_set (G_OBJECT (object), name, value, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   232
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   233
        case G_TYPE_ENUM:
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   234
        case G_TYPE_INT:{
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   235
          gint i;
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   236
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   237
          sscanf_ret = sscanf (value, "%d", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   238
          g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   239
          g_object_set (G_OBJECT (object), name, i, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   240
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   241
        }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   242
        case G_TYPE_UINT:{
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   243
          guint i;
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   244
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   245
          sscanf_ret = sscanf (value, "%u", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   246
          g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   247
          g_object_set (G_OBJECT (object), name, i, NULL);
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diff changeset
   248
          break;
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diff changeset
   249
        }
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diff changeset
   250
        case G_TYPE_LONG:{
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diff changeset
   251
          glong i;
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diff changeset
   252
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   253
          sscanf_ret = sscanf (value, "%ld", &i);
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diff changeset
   254
          g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   255
          g_object_set (G_OBJECT (object), name, i, NULL);
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diff changeset
   256
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   257
        }
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   258
        case G_TYPE_ULONG:{
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diff changeset
   259
          gulong i;
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   260
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diff changeset
   261
          sscanf_ret = sscanf (value, "%lu", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   262
          g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   263
          g_object_set (G_OBJECT (object), name, i, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   264
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   265
        }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   266
        case G_TYPE_BOOLEAN:{
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diff changeset
   267
          gboolean i = FALSE;
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   268
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   269
          if (!g_ascii_strncasecmp ("true", value, 4))
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   270
            i = TRUE;
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diff changeset
   271
          g_object_set (G_OBJECT (object), name, i, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   272
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   273
        }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   274
        case G_TYPE_CHAR:{
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diff changeset
   275
          gchar i;
7e817e7e631c Revert incorrect RCL_3 drop:
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diff changeset
   276
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   277
          sscanf_ret = sscanf (value, "%c", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   278
          g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   279
          g_object_set (G_OBJECT (object), name, i, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   280
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   281
        }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   282
        case G_TYPE_UCHAR:{
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   283
          guchar i;
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   284
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   285
          sscanf_ret = sscanf (value, "%c", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   286
          g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   287
          g_object_set (G_OBJECT (object), name, i, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   288
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   289
        }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   290
        case G_TYPE_FLOAT:{
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   291
          gfloat i;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   292
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   293
          sscanf_ret = sscanf (value, "%f", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   294
          g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   295
          g_object_set (G_OBJECT (object), name, i, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   296
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   297
        }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   298
        case G_TYPE_DOUBLE:{
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   299
          gfloat i;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   300
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   301
          sscanf_ret = sscanf (value, "%g", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   302
          g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   303
          g_object_set (G_OBJECT (object), name, (gdouble) i, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   304
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   305
        }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   306
        default:
7e817e7e631c Revert incorrect RCL_3 drop:
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parents: 7
diff changeset
   307
          if (G_IS_PARAM_SPEC_ENUM (paramspec)) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   308
            gint i;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   309
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   310
            sscanf_ret = sscanf (value, "%d", &i);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   311
            g_return_if_fail (sscanf_ret == 1);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   312
            g_object_set (G_OBJECT (object), name, i, NULL);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   313
          }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   314
          break;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   315
      }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   316
    }
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   317
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   318
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   319
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   320
/* work around error C2520: conversion from unsigned __int64 to double
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
 * not implemented, use signed __int64
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   322
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
 * These are implemented as functions because on some platforms a 64bit int to
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   324
 * double conversion is not defined/implemented.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
gdouble
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
gst_util_guint64_to_gdouble (guint64 value)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
  if (value & G_GINT64_CONSTANT (0x8000000000000000))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
    return (gdouble) ((gint64) value) + (gdouble) 18446744073709551616.;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
  else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
    return (gdouble) ((gint64) value);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
guint64
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
gst_util_gdouble_to_guint64 (gdouble value)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
  if (value < (gdouble) 9223372036854775808.)   /* 1 << 63 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
    return ((guint64) ((gint64) value));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
  value -= (gdouble) 18446744073709551616.;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
  return ((guint64) ((gint64) value));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
/* convenience struct for getting high and low uint32 parts of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
 * a guint64 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
typedef union
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
  guint64 ll;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
  struct
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
  {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
#if G_BYTE_ORDER == G_BIG_ENDIAN
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
    guint32 high, low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
#else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
    guint32 low, high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
  } l;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
} GstUInt64;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
/* based on Hacker's Delight p152 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
static guint64
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
gst_util_div128_64 (GstUInt64 c1, GstUInt64 c0, guint64 denom)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
  GstUInt64 q1, q0, rhat;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
  GstUInt64 v, cmp1, cmp2;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
  guint s;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
  v.ll = denom;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
  /* count number of leading zeroes, we know they must be in the high
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
   * part of denom since denom > G_MAXUINT32. */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
  s = v.l.high | (v.l.high >> 1);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
  s |= (s >> 2);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
  s |= (s >> 4);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
  s |= (s >> 8);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
  s = ~(s | (s >> 16));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
  s = s - ((s >> 1) & 0x55555555);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
  s = (s & 0x33333333) + ((s >> 2) & 0x33333333);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
  s = (s + (s >> 4)) & 0x0f0f0f0f;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
  s += (s >> 8);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
  s = (s + (s >> 16)) & 0x3f;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
  if (s > 0) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
    /* normalize divisor and dividend */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
    v.ll <<= s;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
    c1.ll = (c1.ll << s) | (c0.l.high >> (32 - s));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
    c0.ll <<= s;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
  q1.ll = c1.ll / v.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
  rhat.ll = c1.ll - q1.ll * v.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
  cmp1.l.high = rhat.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
  cmp1.l.low = c0.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
  cmp2.ll = q1.ll * v.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
  while (q1.l.high || cmp2.ll > cmp1.ll) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
    q1.ll--;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
    rhat.ll += v.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
    if (rhat.l.high)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
      break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
    cmp1.l.high = rhat.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
    cmp2.ll -= v.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
  c1.l.high = c1.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
  c1.l.low = c0.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
  c1.ll -= q1.ll * v.ll;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
  q0.ll = c1.ll / v.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
  rhat.ll = c1.ll - q0.ll * v.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
  cmp1.l.high = rhat.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
  cmp1.l.low = c0.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
  cmp2.ll = q0.ll * v.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
  while (q0.l.high || cmp2.ll > cmp1.ll) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
    q0.ll--;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
    rhat.ll += v.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
    if (rhat.l.high)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
      break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
    cmp1.l.high = rhat.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
    cmp2.ll -= v.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
  q0.l.high += q1.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
  return q0.ll;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
static guint64
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   438
gst_util_uint64_scale_int64 (guint64 val, guint64 num, guint64 denom)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
  GstUInt64 a0, a1, b0, b1, c0, ct, c1, result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
  GstUInt64 v, n;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
  /* prepare input */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
  v.ll = val;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
  n.ll = num;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
  /* do 128 bits multiply
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
   *                   nh   nl
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
   *                *  vh   vl
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
   *                ----------
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
   * a0 =              vl * nl
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
   * a1 =         vl * nh
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
   * b0 =         vh * nl
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
   * b1 =  + vh * nh
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
   *       -------------------
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
   * c1,c0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
   */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
  a0.ll = (guint64) v.l.low * n.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
  a1.ll = (guint64) v.l.low * n.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
  b0.ll = (guint64) v.l.high * n.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
  b1.ll = (guint64) v.l.high * n.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
  /* and sum together with carry into 128 bits c1, c0 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
  c0.l.low = a0.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
  ct.ll = (guint64) a0.l.high + a1.l.low + b0.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
  c0.l.high = ct.l.low;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
  c1.ll = (guint64) a1.l.high + b0.l.high + ct.l.high + b1.ll;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
  /* if high bits bigger than denom, we overflow */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   470
  if (c1.ll >= denom)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
    goto overflow;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
  /* shortcut for division by 1, c1.ll should be 0 because of the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
   * overflow check above. */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
  if (denom == 1)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
    return c0.ll;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
  /* and 128/64 bits division, result fits 64 bits */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
  if (denom <= G_MAXUINT32) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
    guint32 den = (guint32) denom;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
    /* easy case, (c1,c0)128/(den)32 division */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
    c1.l.high %= den;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
    c1.l.high = c1.ll % den;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
    c1.l.low = c0.l.high;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
    c0.l.high = c1.ll % den;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
    result.l.high = c1.ll / den;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
    result.l.low = c0.ll / den;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
  } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
    result.ll = gst_util_div128_64 (c1, c0, denom);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
  return result.ll;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
overflow:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
  {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
    return G_MAXUINT64;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
 * gst_util_uint64_scale:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
 * @val: the number to scale
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
 * @num: the numerator of the scale ratio
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
 * @denom: the denominator of the scale ratio
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
 * Scale @val by @num / @denom, trying to avoid overflows.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   507
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   508
 * This function can potentially be very slow if denom > G_MAXUINT32.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
 * Returns: @val * @num / @denom, trying to avoid overflows.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
 * In the case of an overflow, this function returns G_MAXUINT64.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   512
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   513
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
guint64
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
gst_util_uint64_scale (guint64 val, guint64 num, guint64 denom)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   519
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   520
  g_return_val_if_fail (denom != 0, G_MAXUINT64);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   522
  if (num == 0)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   523
    return 0;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   524
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   525
  if (num == 1 && denom == 1)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   526
    return val;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   527
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   528
  /* if the denom is high, we need to do a 64 muldiv */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   529
  if (denom > G_MAXINT32)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   530
    goto do_int64;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   531
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   532
  /* if num and denom are low we can do a 32 bit muldiv */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   533
  if (num <= G_MAXINT32)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   534
    goto do_int32;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   535
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   536
  /* val and num are high, we need 64 muldiv */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   537
  if (val > G_MAXINT32)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   538
    goto do_int64;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   539
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   540
  /* val is low and num is high, we can swap them and do 32 muldiv */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   541
  return gst_util_uint64_scale_int (num, (gint) val, (gint) denom);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   542
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   543
do_int32:
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   544
  return gst_util_uint64_scale_int (val, (gint) num, (gint) denom);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   545
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   546
do_int64:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   547
  /* to the more heavy implementations... */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   548
  return gst_util_uint64_scale_int64 (val, num, denom);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   549
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   550
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   551
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   552
 * gst_util_uint64_scale_int:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   553
 * @val: guint64 (such as a #GstClockTime) to scale.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   554
 * @num: numerator of the scale factor.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   555
 * @denom: denominator of the scale factor.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   556
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   557
 * Scale a guint64 by a factor expressed as a fraction (num/denom), avoiding
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   558
 * overflows and loss of precision.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
 * @num and @denom must be positive integers. @denom cannot be 0.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
 * Returns: @val * @num / @denom, avoiding overflow and loss of precision.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
 * In the case of an overflow, this function returns G_MAXUINT64.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
guint64
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
gst_util_uint64_scale_int (guint64 val, gint num, gint denom)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
{
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   572
  GstUInt64 result;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   573
  GstUInt64 low, high;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   574
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   575
  g_return_val_if_fail (denom > 0, G_MAXUINT64);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
  g_return_val_if_fail (num >= 0, G_MAXUINT64);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   578
  if (num == 0)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
    return 0;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   581
  if (num == 1 && denom == 1)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
    return val;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   583
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   584
  if (val <= G_MAXUINT32)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
    /* simple case */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
    return val * num / denom;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   588
  /* do 96 bits mult/div */
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   589
  low.ll = val;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   590
  result.ll = ((guint64) low.l.low) * num;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   591
  high.ll = ((guint64) low.l.high) * num + (result.l.high);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   592
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   593
  low.ll = high.ll / denom;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   594
  result.l.high = high.ll % denom;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   595
  result.ll /= denom;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   596
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   597
  /* avoid overflow */
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   598
  if (low.ll + result.l.high > G_MAXUINT32)
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   599
    goto overflow;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   600
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   601
  result.l.high += low.l.low;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   602
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   603
  return result.ll;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   604
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   605
overflow:
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   606
  {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   607
    return G_MAXUINT64;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   608
  }
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   610
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   611
/* -----------------------------------------------------
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
 *  The following code will be moved out of the main
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
 * gstreamer library someday.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   615
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   616
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
#include "gstpad.h"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
static void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
string_append_indent (GString * str, gint count)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   621
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   622
  gint xx;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
  for (xx = 0; xx < count; xx++)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
    g_string_append_c (str, ' ');
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   627
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   629
 * gst_print_pad_caps:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   630
 * @buf: the buffer to print the caps in
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   631
 * @indent: initial indentation
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   632
 * @pad: the pad to print the caps from
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   633
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
 * Write the pad capabilities in a human readable format into
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
 * the given GString.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   636
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   637
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
gst_print_pad_caps (GString * buf, gint indent, GstPad * pad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
  GstCaps *caps;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   645
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   646
  caps = pad->caps;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   647
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   648
  if (!caps) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
    string_append_indent (buf, indent);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
    g_string_printf (buf, "%s:%s has no capabilities",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
        GST_DEBUG_PAD_NAME (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
  } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
    char *s;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
    s = gst_caps_to_string (caps);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
    g_string_append (buf, s);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
    g_free (s);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   658
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   659
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   660
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   661
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
 * gst_print_element_args:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
 * @buf: the buffer to print the args in
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
 * @indent: initial indentation
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
 * @element: the element to print the args of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
 * Print the element argument in a human readable format in the given
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
 * GString.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   669
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   670
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   673
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   674
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
gst_print_element_args (GString * buf, gint indent, GstElement * element)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   676
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   677
  guint width;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
  GValue value = { 0, };        /* the important thing is that value.type = 0 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
  gchar *str = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
  GParamSpec *spec, **specs, **walk;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
  specs = g_object_class_list_properties (G_OBJECT_GET_CLASS (element), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
  width = 0;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
  for (walk = specs; *walk; walk++) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
    spec = *walk;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
    if (width < strlen (spec->name))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
      width = strlen (spec->name);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   690
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
  for (walk = specs; *walk; walk++) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   692
    spec = *walk;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   693
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   694
    if (spec->flags & G_PARAM_READABLE) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   695
      g_value_init (&value, G_PARAM_SPEC_VALUE_TYPE (spec));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
      g_object_get_property (G_OBJECT (element), spec->name, &value);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
      str = g_strdup_value_contents (&value);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
      g_value_unset (&value);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
    } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
      str = g_strdup ("Parameter not readable.");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
    string_append_indent (buf, indent);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
    g_string_append (buf, spec->name);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
    string_append_indent (buf, 2 + width - strlen (spec->name));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
    g_string_append (buf, str);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
    g_string_append_c (buf, '\n');
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
    g_free (str);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   711
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   712
  g_free (specs);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   713
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   714
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   715
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   716
 * gst_element_create_all_pads:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
 * @element: a #GstElement to create pads for
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
 * Creates a pad for each pad template that is always available.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
 * This function is only useful during object intialization of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
 * subclasses of #GstElement.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   722
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   723
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   724
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   725
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   726
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   727
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   728
gst_element_create_all_pads (GstElement * element)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   729
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   730
  GList *padlist;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   731
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   732
  /* FIXME: lock element */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   733
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   734
  padlist =
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   735
      gst_element_class_get_pad_template_list (GST_ELEMENT_CLASS
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   736
      (G_OBJECT_GET_CLASS (element)));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   737
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   738
  while (padlist) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   739
    GstPadTemplate *padtempl = (GstPadTemplate *) padlist->data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   740
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   741
    if (padtempl->presence == GST_PAD_ALWAYS) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   742
      GstPad *pad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   743
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   744
      pad = gst_pad_new_from_template (padtempl, padtempl->name_template);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   745
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   746
      gst_element_add_pad (element, pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   747
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   748
    padlist = padlist->next;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   749
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   750
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   751
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   752
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   753
 * gst_element_get_compatible_pad_template:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   754
 * @element: a #GstElement to get a compatible pad template for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   755
 * @compattempl: the #GstPadTemplate to find a compatible template for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   756
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   757
 * Retrieves a pad template from @element that is compatible with @compattempl.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   758
 * Pads from compatible templates can be linked together.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   759
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   760
 * Returns: a compatible #GstPadTemplate, or NULL if none was found. No
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   761
 * unreferencing is necessary.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   762
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   763
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   764
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   765
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   766
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   767
GstPadTemplate *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   768
gst_element_get_compatible_pad_template (GstElement * element,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   769
    GstPadTemplate * compattempl)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   770
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   771
  GstPadTemplate *newtempl = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   772
  GList *padlist;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   773
  GstElementClass *class;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   774
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   775
  g_return_val_if_fail (element != NULL, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   776
  g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   777
  g_return_val_if_fail (compattempl != NULL, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   778
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   779
  class = GST_ELEMENT_GET_CLASS (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   780
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   781
  padlist = gst_element_class_get_pad_template_list (class);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   782
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   783
  GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   784
      "Looking for a suitable pad template in %s out of %d templates...",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   785
      GST_ELEMENT_NAME (element), g_list_length (padlist));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   786
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   787
  while (padlist) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   788
    GstPadTemplate *padtempl = (GstPadTemplate *) padlist->data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   789
    GstCaps *intersection;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   790
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   791
    /* Ignore name
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   792
     * Ignore presence
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   793
     * Check direction (must be opposite)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   794
     * Check caps
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   795
     */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   796
    GST_CAT_LOG (GST_CAT_CAPS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   797
        "checking pad template %s", padtempl->name_template);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   798
    if (padtempl->direction != compattempl->direction) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   799
      GST_CAT_DEBUG (GST_CAT_CAPS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   800
          "compatible direction: found %s pad template \"%s\"",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   801
          padtempl->direction == GST_PAD_SRC ? "src" : "sink",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   802
          padtempl->name_template);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   803
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   804
      GST_CAT_DEBUG (GST_CAT_CAPS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   805
          "intersecting %" GST_PTR_FORMAT, GST_PAD_TEMPLATE_CAPS (compattempl));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   806
      GST_CAT_DEBUG (GST_CAT_CAPS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   807
          "..and %" GST_PTR_FORMAT, GST_PAD_TEMPLATE_CAPS (padtempl));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   808
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   809
      intersection = gst_caps_intersect (GST_PAD_TEMPLATE_CAPS (compattempl),
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   810
          GST_PAD_TEMPLATE_CAPS (padtempl));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   811
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   812
      GST_CAT_DEBUG (GST_CAT_CAPS, "caps are %scompatible %" GST_PTR_FORMAT,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   813
          (intersection ? "" : "not "), intersection);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   814
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   815
      if (!gst_caps_is_empty (intersection))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   816
        newtempl = padtempl;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   817
      gst_caps_unref (intersection);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   818
      if (newtempl)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   819
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   820
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   821
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   822
    padlist = g_list_next (padlist);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   823
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   824
  if (newtempl)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   825
    GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   826
        "Returning new pad template %p", newtempl);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   827
  else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   828
    GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "No compatible pad template found");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   829
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   830
  return newtempl;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   831
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   832
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   833
static GstPad *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   834
gst_element_request_pad (GstElement * element, GstPadTemplate * templ,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   835
    const gchar * name)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   836
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   837
  GstPad *newpad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   838
  GstElementClass *oclass;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   839
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   840
  oclass = GST_ELEMENT_GET_CLASS (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   841
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   842
  if (oclass->request_new_pad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   843
    newpad = (oclass->request_new_pad) (element, templ, name);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   844
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   845
  if (newpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   846
    gst_object_ref (newpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   847
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   848
  return newpad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   849
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   850
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   851
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   852
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   853
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   854
 * gst_element_get_pad_from_template:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   855
 * @element: a #GstElement.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   856
 * @templ: a #GstPadTemplate belonging to @element.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   857
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   858
 * Gets a pad from @element described by @templ. If the presence of @templ is
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   859
 * #GST_PAD_REQUEST, requests a new pad. Can return %NULL for #GST_PAD_SOMETIMES
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   860
 * templates.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   861
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   862
 * Returns: the #GstPad, or NULL if one could not be found or created.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   863
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   864
static GstPad *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   865
gst_element_get_pad_from_template (GstElement * element, GstPadTemplate * templ)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   866
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   867
  GstPad *ret = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   868
  GstPadPresence presence;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   869
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   870
  /* If this function is ever exported, we need check the validity of `element'
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   871
   * and `templ', and to make sure the template actually belongs to the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   872
   * element. */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   873
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   874
  presence = GST_PAD_TEMPLATE_PRESENCE (templ);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   875
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   876
  switch (presence) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   877
    case GST_PAD_ALWAYS:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   878
    case GST_PAD_SOMETIMES:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   879
      ret = gst_element_get_static_pad (element, templ->name_template);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   880
      if (!ret && presence == GST_PAD_ALWAYS)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   881
        g_warning
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   882
            ("Element %s has an ALWAYS template %s, but no pad of the same name",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   883
            GST_OBJECT_NAME (element), templ->name_template);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   884
      break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   885
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   886
    case GST_PAD_REQUEST:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   887
      ret = gst_element_request_pad (element, templ, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   888
      break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   889
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   890
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   891
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   892
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   893
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   894
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   895
 * gst_element_request_compatible_pad:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   896
 * @element: a #GstElement.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   897
 * @templ: the #GstPadTemplate to which the new pad should be able to link.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   898
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   899
 * Requests a pad from @element. The returned pad should be unlinked and
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   900
 * compatible with @templ. Might return an existing pad, or request a new one.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   901
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   902
 * Returns: a #GstPad, or %NULL if one could not be found or created.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   903
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   904
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   905
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   906
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   907
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   908
GstPad *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   909
gst_element_request_compatible_pad (GstElement * element,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   910
    GstPadTemplate * templ)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   911
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   912
  GstPadTemplate *templ_new;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   913
  GstPad *pad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   914
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   915
  g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   916
  g_return_val_if_fail (GST_IS_PAD_TEMPLATE (templ), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   917
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   918
  /* FIXME: should really loop through the templates, testing each for
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   919
   *      compatibility and pad availability. */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   920
  templ_new = gst_element_get_compatible_pad_template (element, templ);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   921
  if (templ_new)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   922
    pad = gst_element_get_pad_from_template (element, templ_new);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   923
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   924
  /* This can happen for non-request pads. No need to unref. */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   925
  if (pad && GST_PAD_PEER (pad))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   926
    pad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   927
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   928
  return pad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   929
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   930
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   931
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   932
 * gst_element_get_compatible_pad:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   933
 * @element: a #GstElement in which the pad should be found.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   934
 * @pad: the #GstPad to find a compatible one for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   935
 * @caps: the #GstCaps to use as a filter.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   936
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   937
 * Looks for an unlinked pad to which the given pad can link. It is not
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   938
 * guaranteed that linking the pads will work, though it should work in most
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   939
 * cases.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   940
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   941
 * Returns: the #GstPad to which a link can be made, or %NULL if one cannot be
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   942
 * found. gst_object_unref() after usage.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   943
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   944
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   945
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   946
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   947
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   948
GstPad *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   949
gst_element_get_compatible_pad (GstElement * element, GstPad * pad,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   950
    const GstCaps * caps)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   951
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   952
  GstIterator *pads;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   953
  GstPadTemplate *templ;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   954
  GstCaps *templcaps;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   955
  GstPad *foundpad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   956
  gboolean done;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   957
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   958
  /* FIXME check for caps compatibility */
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   959
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   960
  g_return_val_if_fail (GST_IS_ELEMENT (element), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   961
  g_return_val_if_fail (GST_IS_PAD (pad), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   962
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   963
  GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   964
      "finding pad in %s compatible with %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   965
      GST_ELEMENT_NAME (element), GST_DEBUG_PAD_NAME (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   966
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   967
  g_return_val_if_fail (GST_PAD_PEER (pad) == NULL, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   968
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   969
  done = FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   970
  /* try to get an existing unlinked pad */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   971
  pads = gst_element_iterate_pads (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   972
  while (!done) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   973
    gpointer padptr;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   974
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   975
    switch (gst_iterator_next (pads, &padptr)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   976
      case GST_ITERATOR_OK:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   977
      {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   978
        GstPad *peer;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   979
        GstPad *current;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   980
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   981
        current = GST_PAD (padptr);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   982
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   983
        GST_CAT_LOG (GST_CAT_ELEMENT_PADS, "examining pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   984
            GST_DEBUG_PAD_NAME (current));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   985
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   986
        peer = gst_pad_get_peer (current);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   987
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   988
        if (peer == NULL && gst_pad_can_link (pad, current)) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   989
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   990
          GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   991
              "found existing unlinked pad %s:%s",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   992
              GST_DEBUG_PAD_NAME (current));
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   993
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   994
          gst_iterator_free (pads);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   995
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   996
          return current;
7
567bb019e3e3 Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
   997
        } else {
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   998
          GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "unreffing pads");
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
   999
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1000
          gst_object_unref (current);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1001
          if (peer)
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1002
            gst_object_unref (peer);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1003
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1004
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1005
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1006
      case GST_ITERATOR_DONE:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1007
        done = TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1008
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1009
      case GST_ITERATOR_RESYNC:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1010
        gst_iterator_resync (pads);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1011
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1012
      case GST_ITERATOR_ERROR:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1013
        g_assert_not_reached ();
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1014
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1015
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1016
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1017
  gst_iterator_free (pads);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1018
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1019
  /* try to create a new one */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1020
  /* requesting is a little crazy, we need a template. Let's create one */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1021
  templcaps = gst_pad_get_caps (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1022
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1023
  templ = gst_pad_template_new ((gchar *) GST_PAD_NAME (pad),
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1024
      GST_PAD_DIRECTION (pad), GST_PAD_ALWAYS, templcaps);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1025
  foundpad = gst_element_request_compatible_pad (element, templ);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1026
  gst_object_unref (templ);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1027
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1028
  if (foundpad) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1029
    GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1030
        "found existing request pad %s:%s", GST_DEBUG_PAD_NAME (foundpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1031
    return foundpad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1032
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1033
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1034
  GST_CAT_INFO_OBJECT (GST_CAT_ELEMENT_PADS, element,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1035
      "Could not find a compatible pad to link to %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1036
      GST_DEBUG_PAD_NAME (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1037
  return NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1038
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1039
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1040
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1041
 * gst_element_state_get_name:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1042
 * @state: a #GstState to get the name of.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1043
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1044
 * Gets a string representing the given state.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1045
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1046
 * Returns: a string with the name of the state.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1047
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1048
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1049
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1050
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1051
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1052
G_CONST_RETURN gchar *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1053
gst_element_state_get_name (GstState state)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1054
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1055
  switch (state) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1056
#ifdef GST_DEBUG_COLOR
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1057
    case GST_STATE_VOID_PENDING:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1058
      return "VOID_PENDING";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1059
    case GST_STATE_NULL:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1060
      return "\033[01;34mNULL\033[00m";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1061
    case GST_STATE_READY:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1062
      return "\033[01;31mREADY\033[00m";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1063
    case GST_STATE_PLAYING:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1064
      return "\033[01;32mPLAYING\033[00m";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1065
    case GST_STATE_PAUSED:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1066
      return "\033[01;33mPAUSED\033[00m";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1067
    default:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1068
      /* This is a memory leak */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1069
      return g_strdup_printf ("\033[01;35;41mUNKNOWN!\033[00m(%d)", state);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1070
#else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1071
    case GST_STATE_VOID_PENDING:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1072
      return "VOID_PENDING";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1073
    case GST_STATE_NULL:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1074
      return "NULL";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1075
    case GST_STATE_READY:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1076
      return "READY";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1077
    case GST_STATE_PLAYING:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1078
      return "PLAYING";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1079
    case GST_STATE_PAUSED:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1080
      return "PAUSED";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1081
    default:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1082
      /* This is a memory leak */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1083
      return g_strdup_printf ("UNKNOWN!(%d)", state);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1084
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1085
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1086
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1087
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1088
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1089
 * gst_element_state_change_return_get_name:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1090
 * @state_ret: a #GstStateChangeReturn to get the name of.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1091
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1092
 * Gets a string representing the given state change result.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1093
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1094
 * Returns: a string with the name of the state change result.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1095
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1096
 * Since: 0.10.11
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1097
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1098
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1099
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1100
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1101
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1102
G_CONST_RETURN gchar *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1103
gst_element_state_change_return_get_name (GstStateChangeReturn state_ret)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1104
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1105
  switch (state_ret) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1106
#ifdef GST_DEBUG_COLOR
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1107
    case GST_STATE_CHANGE_FAILURE:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1108
      return "\033[01;31mFAILURE\033[00m";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1109
    case GST_STATE_CHANGE_SUCCESS:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1110
      return "\033[01;32mSUCCESS\033[00m";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1111
    case GST_STATE_CHANGE_ASYNC:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1112
      return "\033[01;33mASYNC\033[00m";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1113
    case GST_STATE_CHANGE_NO_PREROLL:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1114
      return "\033[01;34mNO_PREROLL\033[00m";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1115
    default:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1116
      /* This is a memory leak */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1117
      return g_strdup_printf ("\033[01;35;41mUNKNOWN!\033[00m(%d)", state_ret);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1118
#else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1119
    case GST_STATE_CHANGE_FAILURE:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1120
      return "FAILURE";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1121
    case GST_STATE_CHANGE_SUCCESS:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1122
      return "SUCCESS";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1123
    case GST_STATE_CHANGE_ASYNC:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1124
      return "ASYNC";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1125
    case GST_STATE_CHANGE_NO_PREROLL:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1126
      return "NO PREROLL";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1127
    default:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1128
      /* This is a memory leak */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1129
      return g_strdup_printf ("UNKNOWN!(%d)", state_ret);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1130
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1131
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1132
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1133
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1134
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1135
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1136
 * gst_element_factory_can_src_caps :
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1137
 * @factory: factory to query
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1138
 * @caps: the caps to check
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1139
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1140
 * Checks if the factory can source the given capability.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1141
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1142
 * Returns: true if it can src the capabilities
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1143
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1144
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1145
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1146
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1147
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1148
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1149
gst_element_factory_can_src_caps (GstElementFactory * factory,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1150
    const GstCaps * caps)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1151
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1152
  GList *templates;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1153
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1154
  g_return_val_if_fail (factory != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1155
  g_return_val_if_fail (caps != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1156
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1157
  templates = factory->staticpadtemplates;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1158
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1159
  while (templates) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1160
    GstStaticPadTemplate *template = (GstStaticPadTemplate *) templates->data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1161
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1162
    if (template->direction == GST_PAD_SRC) {
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1163
      if (gst_caps_is_always_compatible (gst_static_caps_get (&template->
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1164
                  static_caps), caps))
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1165
        return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1166
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1167
    templates = g_list_next (templates);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1168
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1169
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1170
  return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1171
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1172
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1173
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1174
 * gst_element_factory_can_sink_caps :
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1175
 * @factory: factory to query
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1176
 * @caps: the caps to check
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1177
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1178
 * Checks if the factory can sink the given capability.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1179
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1180
 * Returns: true if it can sink the capabilities
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1181
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1182
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1183
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1184
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1185
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1186
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1187
gst_element_factory_can_sink_caps (GstElementFactory * factory,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1188
    const GstCaps * caps)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1189
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1190
  GList *templates;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1191
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1192
  g_return_val_if_fail (factory != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1193
  g_return_val_if_fail (caps != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1194
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1195
  templates = factory->staticpadtemplates;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1196
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1197
  while (templates) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1198
    GstStaticPadTemplate *template = (GstStaticPadTemplate *) templates->data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1199
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1200
    if (template->direction == GST_PAD_SINK) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1201
      if (gst_caps_is_always_compatible (caps,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1202
              gst_static_caps_get (&template->static_caps)))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1203
        return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1204
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1205
    templates = g_list_next (templates);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1206
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1207
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1208
  return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1209
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1210
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1211
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1212
/* if return val is true, *direct_child is a caller-owned ref on the direct
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1213
 * child of ancestor that is part of object's ancestry */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1214
static gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1215
object_has_ancestor (GstObject * object, GstObject * ancestor,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1216
    GstObject ** direct_child)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1217
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1218
  GstObject *child, *parent;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1219
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1220
  if (direct_child)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1221
    *direct_child = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1222
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1223
  child = gst_object_ref (object);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1224
  parent = gst_object_get_parent (object);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1225
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1226
  while (parent) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1227
    if (ancestor == parent) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1228
      if (direct_child)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1229
        *direct_child = child;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1230
      else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1231
        gst_object_unref (child);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1232
      gst_object_unref (parent);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1233
      return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1234
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1235
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1236
    gst_object_unref (child);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1237
    child = parent;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1238
    parent = gst_object_get_parent (parent);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1239
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1240
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1241
  gst_object_unref (child);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1242
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1243
  return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1244
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1245
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1246
/* caller owns return */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1247
static GstObject *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1248
find_common_root (GstObject * o1, GstObject * o2)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1249
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1250
  GstObject *top = o1;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1251
  GstObject *kid1, *kid2;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1252
  GstObject *root = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1253
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1254
  while (GST_OBJECT_PARENT (top))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1255
    top = GST_OBJECT_PARENT (top);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1256
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1257
  /* the itsy-bitsy spider... */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1258
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1259
  if (!object_has_ancestor (o2, top, &kid2))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1260
    return NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1261
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1262
  root = gst_object_ref (top);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1263
  while (TRUE) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1264
    if (!object_has_ancestor (o1, kid2, &kid1)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1265
      gst_object_unref (kid2);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1266
      return root;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1267
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1268
    root = kid2;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1269
    if (!object_has_ancestor (o2, kid1, &kid2)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1270
      gst_object_unref (kid1);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1271
      return root;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1272
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1273
    root = kid1;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1274
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1275
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1276
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1277
/* caller does not own return */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1278
static GstPad *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1279
ghost_up (GstElement * e, GstPad * pad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1280
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1281
  static gint ghost_pad_index = 0;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1282
  GstPad *gpad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1283
  gchar *name;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1284
  GstObject *parent = GST_OBJECT_PARENT (e);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1285
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1286
  name = g_strdup_printf ("ghost%d", ghost_pad_index++);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1287
  gpad = gst_ghost_pad_new (name, pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1288
  g_free (name);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1289
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1290
  if (!gst_element_add_pad ((GstElement *) parent, gpad)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1291
    g_warning ("Pad named %s already exists in element %s\n",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1292
        GST_OBJECT_NAME (gpad), GST_OBJECT_NAME (parent));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1293
    gst_object_unref ((GstObject *) gpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1294
    return NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1295
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1296
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1297
  return gpad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1298
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1299
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1300
static void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1301
remove_pad (gpointer ppad, gpointer unused)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1302
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1303
  GstPad *pad = ppad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1304
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1305
  if (!gst_element_remove_pad ((GstElement *) GST_OBJECT_PARENT (pad), pad))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1306
    g_warning ("Couldn't remove pad %s from element %s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1307
        GST_OBJECT_NAME (pad), GST_OBJECT_NAME (GST_OBJECT_PARENT (pad)));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1308
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1309
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1310
static gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1311
prepare_link_maybe_ghosting (GstPad ** src, GstPad ** sink,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1312
    GSList ** pads_created)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1313
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1314
  GstObject *root;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1315
  GstObject *e1, *e2;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1316
  GSList *pads_created_local = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1317
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1318
  g_assert (pads_created);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1319
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1320
  e1 = GST_OBJECT_PARENT (*src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1321
  e2 = GST_OBJECT_PARENT (*sink);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1322
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1323
  if (G_UNLIKELY (e1 == NULL)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1324
    GST_WARNING ("Trying to ghost a pad that doesn't have a parent: %"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1325
        GST_PTR_FORMAT, *src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1326
    return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1327
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1328
  if (G_UNLIKELY (e2 == NULL)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1329
    GST_WARNING ("Trying to ghost a pad that doesn't have a parent: %"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1330
        GST_PTR_FORMAT, *sink);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1331
    return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1332
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1333
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1334
  if (GST_OBJECT_PARENT (e1) == GST_OBJECT_PARENT (e2)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1335
    GST_CAT_INFO (GST_CAT_PADS, "%s and %s in same bin, no need for ghost pads",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1336
        GST_OBJECT_NAME (e1), GST_OBJECT_NAME (e2));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1337
    return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1338
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1339
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1340
  GST_CAT_INFO (GST_CAT_PADS, "%s and %s not in same bin, making ghost pads",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1341
      GST_OBJECT_NAME (e1), GST_OBJECT_NAME (e2));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1342
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1343
  /* we need to setup some ghost pads */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1344
  root = find_common_root (e1, e2);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1345
  if (!root) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1346
    g_warning ("Trying to connect elements that don't share a common "
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1347
        "ancestor: %s and %s", GST_ELEMENT_NAME (e1), GST_ELEMENT_NAME (e2));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1348
    return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1349
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1350
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1351
  while (GST_OBJECT_PARENT (e1) != root) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1352
    *src = ghost_up ((GstElement *) e1, *src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1353
    if (!*src)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1354
      goto cleanup_fail;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1355
    e1 = GST_OBJECT_PARENT (*src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1356
    pads_created_local = g_slist_prepend (pads_created_local, *src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1357
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1358
  while (GST_OBJECT_PARENT (e2) != root) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1359
    *sink = ghost_up ((GstElement *) e2, *sink);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1360
    if (!*sink)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1361
      goto cleanup_fail;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1362
    e2 = GST_OBJECT_PARENT (*sink);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1363
    pads_created_local = g_slist_prepend (pads_created_local, *sink);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1364
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1365
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1366
  gst_object_unref (root);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1367
  *pads_created = g_slist_concat (*pads_created, pads_created_local);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1368
  return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1369
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1370
cleanup_fail:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1371
  gst_object_unref (root);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1372
  g_slist_foreach (pads_created_local, remove_pad, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1373
  g_slist_free (pads_created_local);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1374
  return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1375
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1376
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1377
static gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1378
pad_link_maybe_ghosting (GstPad * src, GstPad * sink)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1379
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1380
  GSList *pads_created = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1381
  gboolean ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1382
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1383
  if (!prepare_link_maybe_ghosting (&src, &sink, &pads_created)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1384
    ret = FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1385
  } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1386
    ret = (gst_pad_link (src, sink) == GST_PAD_LINK_OK);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1387
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1388
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1389
  if (!ret) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1390
    g_slist_foreach (pads_created, remove_pad, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1391
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1392
  g_slist_free (pads_created);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1393
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1394
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1395
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1396
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1397
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1398
 * gst_element_link_pads:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1399
 * @src: a #GstElement containing the source pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1400
 * @srcpadname: the name of the #GstPad in source element or NULL for any pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1401
 * @dest: the #GstElement containing the destination pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1402
 * @destpadname: the name of the #GstPad in destination element,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1403
 * or NULL for any pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1404
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1405
 * Links the two named pads of the source and destination elements.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1406
 * Side effect is that if one of the pads has no parent, it becomes a
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1407
 * child of the parent of the other element.  If they have different
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1408
 * parents, the link fails.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1409
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1410
 * Returns: TRUE if the pads could be linked, FALSE otherwise.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1411
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1412
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1413
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1414
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1415
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1416
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1417
gst_element_link_pads (GstElement * src, const gchar * srcpadname,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1418
    GstElement * dest, const gchar * destpadname)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1419
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1420
  const GList *srcpads, *destpads, *srctempls, *desttempls, *l;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1421
  GstPad *srcpad, *destpad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1422
  GstPadTemplate *srctempl, *desttempl;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1423
  GstElementClass *srcclass, *destclass;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1424
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1425
  /* checks */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1426
  g_return_val_if_fail (GST_IS_ELEMENT (src), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1427
  g_return_val_if_fail (GST_IS_ELEMENT (dest), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1428
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1429
  srcclass = GST_ELEMENT_GET_CLASS (src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1430
  destclass = GST_ELEMENT_GET_CLASS (dest);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1431
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1432
  GST_CAT_INFO (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1433
      "trying to link element %s:%s to element %s:%s", GST_ELEMENT_NAME (src),
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1434
      srcpadname ? srcpadname : "(any)", GST_ELEMENT_NAME (dest),
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1435
      destpadname ? destpadname : "(any)");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1436
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1437
  /* get a src pad */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1438
  if (srcpadname) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1439
    /* name specified, look it up */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1440
    srcpad = gst_element_get_pad (src, srcpadname);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1441
    if (!srcpad) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1442
      GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "no pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1443
          GST_ELEMENT_NAME (src), srcpadname);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1444
      return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1445
    } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1446
      if (!(GST_PAD_DIRECTION (srcpad) == GST_PAD_SRC)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1447
        GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "pad %s:%s is no src pad",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1448
            GST_DEBUG_PAD_NAME (srcpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1449
        gst_object_unref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1450
        return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1451
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1452
      if (GST_PAD_PEER (srcpad) != NULL) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1453
        GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "pad %s:%s is already linked",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1454
            GST_DEBUG_PAD_NAME (srcpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1455
        gst_object_unref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1456
        return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1457
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1458
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1459
    srcpads = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1460
  } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1461
    /* no name given, get the first available pad */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1462
    GST_OBJECT_LOCK (src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1463
    srcpads = GST_ELEMENT_PADS (src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1464
    srcpad = srcpads ? GST_PAD_CAST (srcpads->data) : NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1465
    if (srcpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1466
      gst_object_ref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1467
    GST_OBJECT_UNLOCK (src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1468
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1469
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1470
  /* get a destination pad */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1471
  if (destpadname) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1472
    /* name specified, look it up */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1473
    destpad = gst_element_get_pad (dest, destpadname);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1474
    if (!destpad) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1475
      GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "no pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1476
          GST_ELEMENT_NAME (dest), destpadname);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1477
      return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1478
    } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1479
      if (!(GST_PAD_DIRECTION (destpad) == GST_PAD_SINK)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1480
        GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "pad %s:%s is no sink pad",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1481
            GST_DEBUG_PAD_NAME (destpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1482
        gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1483
        return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1484
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1485
      if (GST_PAD_PEER (destpad) != NULL) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1486
        GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "pad %s:%s is already linked",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1487
            GST_DEBUG_PAD_NAME (destpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1488
        gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1489
        return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1490
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1491
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1492
    destpads = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1493
  } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1494
    /* no name given, get the first available pad */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1495
    GST_OBJECT_LOCK (dest);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1496
    destpads = GST_ELEMENT_PADS (dest);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1497
    destpad = destpads ? GST_PAD_CAST (destpads->data) : NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1498
    if (destpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1499
      gst_object_ref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1500
    GST_OBJECT_UNLOCK (dest);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1501
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1502
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1503
  if (srcpadname && destpadname) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1504
    gboolean result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1505
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1506
    /* two explicitly specified pads */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1507
    result = pad_link_maybe_ghosting (srcpad, destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1508
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1509
    gst_object_unref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1510
    gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1511
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1512
    return result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1513
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1514
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1515
  if (srcpad) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1516
    /* loop through the allowed pads in the source, trying to find a
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1517
     * compatible destination pad */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1518
    GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1519
        "looping through allowed src and dest pads");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1520
    do {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1521
      GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "trying src pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1522
          GST_DEBUG_PAD_NAME (srcpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1523
      if ((GST_PAD_DIRECTION (srcpad) == GST_PAD_SRC) &&
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1524
          (GST_PAD_PEER (srcpad) == NULL)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1525
        GstPad *temp;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1526
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1527
        if (destpadname) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1528
          temp = destpad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1529
          gst_object_ref (temp);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1530
        } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1531
          temp = gst_element_get_compatible_pad (dest, srcpad, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1532
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1533
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1534
        if (temp && pad_link_maybe_ghosting (srcpad, temp)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1535
          GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "linked pad %s:%s to pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1536
              GST_DEBUG_PAD_NAME (srcpad), GST_DEBUG_PAD_NAME (temp));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1537
          if (destpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1538
            gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1539
          gst_object_unref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1540
          gst_object_unref (temp);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1541
          return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1542
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1543
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1544
        if (temp) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1545
          gst_object_unref (temp);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1546
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1547
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1548
      /* find a better way for this mess */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1549
      if (srcpads) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1550
        srcpads = g_list_next (srcpads);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1551
        if (srcpads) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1552
          gst_object_unref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1553
          srcpad = GST_PAD_CAST (srcpads->data);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1554
          gst_object_ref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1555
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1556
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1557
    } while (srcpads);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1558
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1559
  if (srcpadname) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1560
    GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "no link possible from %s:%s to %s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1561
        GST_DEBUG_PAD_NAME (srcpad), GST_ELEMENT_NAME (dest));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1562
    if (destpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1563
      gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1564
    destpad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1565
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1566
  if (srcpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1567
    gst_object_unref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1568
  srcpad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1569
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1570
  if (destpad) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1571
    /* loop through the existing pads in the destination */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1572
    do {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1573
      GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "trying dest pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1574
          GST_DEBUG_PAD_NAME (destpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1575
      if ((GST_PAD_DIRECTION (destpad) == GST_PAD_SINK) &&
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1576
          (GST_PAD_PEER (destpad) == NULL)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1577
        GstPad *temp = gst_element_get_compatible_pad (src, destpad, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1578
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1579
        if (temp && pad_link_maybe_ghosting (temp, destpad)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1580
          GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "linked pad %s:%s to pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1581
              GST_DEBUG_PAD_NAME (temp), GST_DEBUG_PAD_NAME (destpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1582
          gst_object_unref (temp);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1583
          gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1584
          return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1585
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1586
        if (temp) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1587
          gst_object_unref (temp);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1588
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1589
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1590
      if (destpads) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1591
        destpads = g_list_next (destpads);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1592
        if (destpads) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1593
          gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1594
          destpad = GST_PAD_CAST (destpads->data);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1595
          gst_object_ref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1596
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1597
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1598
    } while (destpads);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1599
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1600
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1601
  if (destpadname) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1602
    GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "no link possible from %s to %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1603
        GST_ELEMENT_NAME (src), GST_DEBUG_PAD_NAME (destpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1604
    gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1605
    return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1606
  } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1607
    if (destpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1608
      gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1609
    destpad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1610
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1611
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1612
  GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1613
      "we might have request pads on both sides, checking...");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1614
  srctempls = gst_element_class_get_pad_template_list (srcclass);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1615
  desttempls = gst_element_class_get_pad_template_list (destclass);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1616
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1617
  if (srctempls && desttempls) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1618
    while (srctempls) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1619
      srctempl = (GstPadTemplate *) srctempls->data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1620
      if (srctempl->presence == GST_PAD_REQUEST) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1621
        for (l = desttempls; l; l = l->next) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1622
          desttempl = (GstPadTemplate *) l->data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1623
          if (desttempl->presence == GST_PAD_REQUEST &&
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1624
              desttempl->direction != srctempl->direction) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1625
            if (gst_caps_is_always_compatible (gst_pad_template_get_caps
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1626
                    (srctempl), gst_pad_template_get_caps (desttempl))) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1627
              srcpad =
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1628
                  gst_element_get_request_pad (src, srctempl->name_template);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1629
              destpad =
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1630
                  gst_element_get_request_pad (dest, desttempl->name_template);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1631
              if (srcpad && destpad
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1632
                  && pad_link_maybe_ghosting (srcpad, destpad)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1633
                GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1634
                    "linked pad %s:%s to pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1635
                    GST_DEBUG_PAD_NAME (srcpad), GST_DEBUG_PAD_NAME (destpad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1636
                gst_object_unref (srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1637
                gst_object_unref (destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1638
                return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1639
              }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1640
              /* it failed, so we release the request pads */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1641
              if (srcpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1642
                gst_element_release_request_pad (src, srcpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1643
              if (destpad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1644
                gst_element_release_request_pad (dest, destpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1645
            }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1646
          }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1647
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1648
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1649
      srctempls = srctempls->next;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1650
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1651
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1652
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1653
  GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "no link possible from %s to %s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1654
      GST_ELEMENT_NAME (src), GST_ELEMENT_NAME (dest));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1655
  return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1656
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1657
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1658
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1659
 * gst_element_link_pads_filtered:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1660
 * @src: a #GstElement containing the source pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1661
 * @srcpadname: the name of the #GstPad in source element or NULL for any pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1662
 * @dest: the #GstElement containing the destination pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1663
 * @destpadname: the name of the #GstPad in destination element or NULL for any pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1664
 * @filter: the #GstCaps to filter the link, or #NULL for no filter.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1665
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1666
 * Links the two named pads of the source and destination elements. Side effect
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1667
 * is that if one of the pads has no parent, it becomes a child of the parent of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1668
 * the other element. If they have different parents, the link fails. If @caps
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1669
 * is not #NULL, makes sure that the caps of the link is a subset of @caps.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1670
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1671
 * Returns: TRUE if the pads could be linked, FALSE otherwise.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1672
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1673
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1674
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1675
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1676
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1677
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1678
gst_element_link_pads_filtered (GstElement * src, const gchar * srcpadname,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1679
    GstElement * dest, const gchar * destpadname, GstCaps * filter)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1680
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1681
  /* checks */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1682
  g_return_val_if_fail (GST_IS_ELEMENT (src), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1683
  g_return_val_if_fail (GST_IS_ELEMENT (dest), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1684
  g_return_val_if_fail (filter == NULL || GST_IS_CAPS (filter), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1685
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1686
  if (filter) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1687
    GstElement *capsfilter;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1688
    GstObject *parent;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1689
    GstState state, pending;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1690
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1691
    capsfilter = gst_element_factory_make ("capsfilter", NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1692
    if (!capsfilter) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1693
      GST_ERROR ("Could not make a capsfilter");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1694
      return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1695
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1696
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1697
    parent = gst_object_get_parent (GST_OBJECT (src));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1698
    g_return_val_if_fail (GST_IS_BIN (parent), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1699
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1700
    gst_element_get_state (GST_ELEMENT_CAST (parent), &state, &pending, 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1701
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1702
    if (!gst_bin_add (GST_BIN (parent), capsfilter)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1703
      GST_ERROR ("Could not add capsfilter");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1704
      gst_object_unref (capsfilter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1705
      gst_object_unref (parent);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1706
      return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1707
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1708
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1709
    if (pending != GST_STATE_VOID_PENDING)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1710
      state = pending;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1711
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1712
    gst_element_set_state (capsfilter, state);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1713
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1714
    gst_object_unref (parent);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1715
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1716
    g_object_set (capsfilter, "caps", filter, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1717
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1718
    if (gst_element_link_pads (src, srcpadname, capsfilter, "sink")
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1719
        && gst_element_link_pads (capsfilter, "src", dest, destpadname)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1720
      return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1721
    } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1722
      GST_INFO ("Could not link elements");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1723
      gst_element_set_state (capsfilter, GST_STATE_NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1724
      /* this will unlink and unref as appropriate */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1725
      gst_bin_remove (GST_BIN (GST_OBJECT_PARENT (capsfilter)), capsfilter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1726
      return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1727
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1728
  } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1729
    return gst_element_link_pads (src, srcpadname, dest, destpadname);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1730
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1731
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1732
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1733
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1734
 * gst_element_link:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1735
 * @src: a #GstElement containing the source pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1736
 * @dest: the #GstElement containing the destination pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1737
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1738
 * Links @src to @dest. The link must be from source to
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1739
 * destination; the other direction will not be tried. The function looks for
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1740
 * existing pads that aren't linked yet. It will request new pads if necessary.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1741
 * Such pads need to be released manualy when unlinking.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1742
 * If multiple links are possible, only one is established.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1743
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1744
 * Make sure you have added your elements to a bin or pipeline with
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1745
 * gst_bin_add() before trying to link them.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1746
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1747
 * Returns: TRUE if the elements could be linked, FALSE otherwise.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1748
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1749
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1750
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1751
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1752
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1753
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1754
gst_element_link (GstElement * src, GstElement * dest)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1755
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1756
  return gst_element_link_pads_filtered (src, NULL, dest, NULL, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1757
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1758
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1759
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1760
 * gst_element_link_many:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1761
 * @element_1: the first #GstElement in the link chain.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1762
 * @element_2: the second #GstElement in the link chain.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1763
 * @...: the NULL-terminated list of elements to link in order.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1764
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1765
 * Chain together a series of elements. Uses gst_element_link().
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1766
 * Make sure you have added your elements to a bin or pipeline with
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1767
 * gst_bin_add() before trying to link them.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1768
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1769
 * Returns: TRUE on success, FALSE otherwise.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1770
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1771
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1772
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1773
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1774
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1775
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1776
gst_element_link_many (GstElement * element_1, GstElement * element_2, ...)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1777
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1778
  va_list args;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1779
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1780
  g_return_val_if_fail (GST_IS_ELEMENT (element_1), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1781
  g_return_val_if_fail (GST_IS_ELEMENT (element_2), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1782
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1783
  va_start (args, element_2);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1784
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1785
  while (element_2) {
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1786
    if (!gst_element_link (element_1, element_2))
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1787
      return FALSE;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1788
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1789
    element_1 = element_2;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1790
    element_2 = va_arg (args, GstElement *);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1791
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1792
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1793
  va_end (args);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1794
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1795
  return TRUE;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1796
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1797
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1798
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1799
 * gst_element_link_filtered:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1800
 * @src: a #GstElement containing the source pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1801
 * @dest: the #GstElement containing the destination pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1802
 * @filter: the #GstCaps to filter the link, or #NULL for no filter.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1803
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1804
 * Links @src to @dest using the given caps as filtercaps.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1805
 * The link must be from source to
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1806
 * destination; the other direction will not be tried. The function looks for
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1807
 * existing pads that aren't linked yet. It will request new pads if necessary.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1808
 * If multiple links are possible, only one is established.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1809
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1810
 * Make sure you have added your elements to a bin or pipeline with
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1811
 * gst_bin_add() before trying to link them.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1812
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1813
 * Returns: TRUE if the pads could be linked, FALSE otherwise.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1814
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1815
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1816
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1817
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1818
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1819
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1820
gst_element_link_filtered (GstElement * src, GstElement * dest,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1821
    GstCaps * filter)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1822
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1823
  return gst_element_link_pads_filtered (src, NULL, dest, NULL, filter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1824
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1825
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1826
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1827
 * gst_element_unlink_pads:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1828
 * @src: a #GstElement containing the source pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1829
 * @srcpadname: the name of the #GstPad in source element.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1830
 * @dest: a #GstElement containing the destination pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1831
 * @destpadname: the name of the #GstPad in destination element.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1832
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1833
 * Unlinks the two named pads of the source and destination elements.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1834
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1835
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1836
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1837
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1838
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1839
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1840
gst_element_unlink_pads (GstElement * src, const gchar * srcpadname,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1841
    GstElement * dest, const gchar * destpadname)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1842
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1843
  GstPad *srcpad, *destpad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1844
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1845
  g_return_if_fail (src != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1846
  g_return_if_fail (GST_IS_ELEMENT (src));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1847
  g_return_if_fail (srcpadname != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1848
  g_return_if_fail (dest != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1849
  g_return_if_fail (GST_IS_ELEMENT (dest));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1850
  g_return_if_fail (destpadname != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1851
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1852
  /* obtain the pads requested */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1853
  srcpad = gst_element_get_pad (src, srcpadname);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1854
  if (srcpad == NULL) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1855
    GST_WARNING_OBJECT (src, "source element has no pad \"%s\"", srcpadname);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1856
    return;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1857
  }
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1858
  destpad = gst_element_get_pad (dest, destpadname);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1859
  if (destpad == NULL) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1860
    GST_WARNING_OBJECT (dest, "destination element has no pad \"%s\"",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1861
        destpadname);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1862
    gst_object_unref (srcpad);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1863
    return;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1864
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1865
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1866
  /* we're satisified they can be unlinked, let's do it */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1867
  gst_pad_unlink (srcpad, destpad);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1868
  gst_object_unref (srcpad);
7
567bb019e3e3 Revision: 201010
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents: 0
diff changeset
  1869
  gst_object_unref (destpad);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1870
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1871
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1872
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1873
 * gst_element_unlink_many:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1874
 * @element_1: the first #GstElement in the link chain.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1875
 * @element_2: the second #GstElement in the link chain.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1876
 * @...: the NULL-terminated list of elements to unlink in order.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1877
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1878
 * Unlinks a series of elements. Uses gst_element_unlink().
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1879
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1880
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1881
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1882
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1883
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1884
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1885
gst_element_unlink_many (GstElement * element_1, GstElement * element_2, ...)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1886
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1887
  va_list args;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1888
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1889
  g_return_if_fail (element_1 != NULL && element_2 != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1890
  g_return_if_fail (GST_IS_ELEMENT (element_1) && GST_IS_ELEMENT (element_2));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1891
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1892
  va_start (args, element_2);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1893
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1894
  while (element_2) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1895
    gst_element_unlink (element_1, element_2);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1896
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1897
    element_1 = element_2;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1898
    element_2 = va_arg (args, GstElement *);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1899
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1900
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1901
  va_end (args);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1902
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1903
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1904
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1905
 * gst_element_unlink:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1906
 * @src: the source #GstElement to unlink.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1907
 * @dest: the sink #GstElement to unlink.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1908
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1909
 * Unlinks all source pads of the source element with all sink pads
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1910
 * of the sink element to which they are linked.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1911
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1912
 * If the link has been made using gst_element_link(), it could have created an
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1913
 * requestpad, which has to be released using gst_element_release_request_pad().
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1914
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1915
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1916
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1917
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1918
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1919
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1920
gst_element_unlink (GstElement * src, GstElement * dest)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1921
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1922
  GstIterator *pads;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1923
  gboolean done = FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1924
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1925
  g_return_if_fail (GST_IS_ELEMENT (src));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1926
  g_return_if_fail (GST_IS_ELEMENT (dest));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1927
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1928
  GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS, "unlinking \"%s\" and \"%s\"",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1929
      GST_ELEMENT_NAME (src), GST_ELEMENT_NAME (dest));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1930
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1931
  pads = gst_element_iterate_pads (src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1932
  while (!done) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1933
    gpointer data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1934
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1935
    switch (gst_iterator_next (pads, &data)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1936
      case GST_ITERATOR_OK:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1937
      {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1938
        GstPad *pad = GST_PAD_CAST (data);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1939
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1940
        if (GST_PAD_IS_SRC (pad)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1941
          GstPad *peerpad = gst_pad_get_peer (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1942
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1943
          /* see if the pad is connected and is really a pad
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  1944
           * of dest */
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1945
          if (peerpad) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1946
            GstElement *peerelem;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1947
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1948
            peerelem = gst_pad_get_parent_element (peerpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1949
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1950
            if (peerelem == dest) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1951
              gst_pad_unlink (pad, peerpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1952
            }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1953
            if (peerelem)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1954
              gst_object_unref (peerelem);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1955
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1956
            gst_object_unref (peerpad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1957
          }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1958
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1959
        gst_object_unref (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1960
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1961
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1962
      case GST_ITERATOR_RESYNC:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1963
        gst_iterator_resync (pads);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1964
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1965
      case GST_ITERATOR_DONE:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1966
        done = TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1967
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1968
      default:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1969
        g_assert_not_reached ();
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1970
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1971
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1972
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1973
  gst_iterator_free (pads);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1974
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1975
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1976
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1977
 * gst_element_query_position:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1978
 * @element: a #GstElement to invoke the position query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1979
 * @format: a pointer to the #GstFormat asked for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1980
 *          On return contains the #GstFormat used.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1981
 * @cur: A location in which to store the current position, or NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1982
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1983
 * Queries an element for the stream position.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1984
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1985
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1986
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1987
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1988
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1989
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1990
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1991
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1992
gst_element_query_position (GstElement * element, GstFormat * format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1993
    gint64 * cur)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1994
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1995
  GstQuery *query;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1996
  gboolean ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1997
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1998
  g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1999
  g_return_val_if_fail (format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2000
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2001
  query = gst_query_new_position (*format);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2002
  ret = gst_element_query (element, query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2003
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2004
  if (ret)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2005
    gst_query_parse_position (query, format, cur);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2006
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2007
  gst_query_unref (query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2008
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2009
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2010
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2011
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2012
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2013
 * gst_element_query_duration:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2014
 * @element: a #GstElement to invoke the duration query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2015
 * @format: a pointer to the #GstFormat asked for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2016
 *          On return contains the #GstFormat used.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2017
 * @duration: A location in which to store the total duration, or NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2018
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2019
 * Queries an element for the total stream duration.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2020
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2021
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2022
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2023
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2024
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2025
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2026
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2027
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2028
gst_element_query_duration (GstElement * element, GstFormat * format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2029
    gint64 * duration)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2030
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2031
  GstQuery *query;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2032
  gboolean ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2033
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2034
  g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2035
  g_return_val_if_fail (format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2036
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2037
  query = gst_query_new_duration (*format);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2038
  ret = gst_element_query (element, query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2039
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2040
  if (ret)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2041
    gst_query_parse_duration (query, format, duration);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2042
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2043
  gst_query_unref (query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2044
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2045
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2046
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2047
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2048
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2049
 * gst_element_query_convert:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2050
 * @element: a #GstElement to invoke the convert query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2051
 * @src_format: a #GstFormat to convert from.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2052
 * @src_val: a value to convert.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2053
 * @dest_format: a pointer to the #GstFormat to convert to.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2054
 * @dest_val: a pointer to the result.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2055
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2056
 * Queries an element to convert @src_val in @src_format to @dest_format.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2057
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2058
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2059
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2060
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2061
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2062
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2063
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2064
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2065
gst_element_query_convert (GstElement * element, GstFormat src_format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2066
    gint64 src_val, GstFormat * dest_format, gint64 * dest_val)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2067
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2068
  GstQuery *query;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2069
  gboolean ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2070
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2071
  g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2072
  g_return_val_if_fail (dest_format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2073
  g_return_val_if_fail (dest_val != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2074
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2075
  if (*dest_format == src_format) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2076
    *dest_val = src_val;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2077
    return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2078
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2079
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2080
  query = gst_query_new_convert (src_format, src_val, *dest_format);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2081
  ret = gst_element_query (element, query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2082
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2083
  if (ret)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2084
    gst_query_parse_convert (query, NULL, NULL, dest_format, dest_val);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2085
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2086
  gst_query_unref (query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2087
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2088
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2089
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2090
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2091
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2092
 * gst_element_seek_simple
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2093
 * @element: a #GstElement to seek on
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2094
 * @format: a #GstFormat to execute the seek in, such as #GST_FORMAT_TIME
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2095
 * @seek_flags: seek options; playback applications will usually want to use
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2096
 *            GST_SEEK_FLAG_FLUSH | GST_SEEK_FLAG_KEY_UNIT here
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2097
 * @seek_pos: position to seek to (relative to the start); if you are doing
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2098
 *            a seek in #GST_FORMAT_TIME this value is in nanoseconds -
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2099
 *            multiply with #GST_SECOND to convert seconds to nanoseconds or
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2100
 *            with #GST_MSECOND to convert milliseconds to nanoseconds.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2101
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2102
 * Simple API to perform a seek on the given element, meaning it just seeks
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2103
 * to the given position relative to the start of the stream. For more complex
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2104
 * operations like segment seeks (e.g. for looping) or changing the playback
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2105
 * rate or seeking relative to the last configured playback segment you should
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2106
 * use gst_element_seek().
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2107
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2108
 * In a completely prerolled PAUSED or PLAYING pipeline, seeking is always
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2109
 * guaranteed to return %TRUE on a seekable media type or %FALSE when the media
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2110
 * type is certainly not seekable (such as a live stream).
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2111
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2112
 * Some elements allow for seeking in the READY state, in this
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2113
 * case they will store the seek event and execute it when they are put to
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2114
 * PAUSED. If the element supports seek in READY, it will always return %TRUE when
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2115
 * it receives the event in the READY state.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2116
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2117
 * Returns: %TRUE if the seek operation succeeded (the seek might not always be
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2118
 * executed instantly though)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2119
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2120
 * Since: 0.10.7
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2121
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2122
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2123
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2124
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2125
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2126
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2127
gst_element_seek_simple (GstElement * element, GstFormat format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2128
    GstSeekFlags seek_flags, gint64 seek_pos)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2129
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2130
  g_return_val_if_fail (GST_IS_ELEMENT (element), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2131
  g_return_val_if_fail (seek_pos >= 0, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2132
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2133
  return gst_element_seek (element, 1.0, format, seek_flags,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2134
      GST_SEEK_TYPE_SET, seek_pos, GST_SEEK_TYPE_NONE, 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2135
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2136
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2137
/**
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2138
 * gst_pad_can_link:
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2139
 * @srcpad: the source #GstPad to link.
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2140
 * @sinkpad: the sink #GstPad to link.
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2141
 *
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2142
 * Checks if the source pad and the sink pad can be linked.
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2143
 * Both @srcpad and @sinkpad must be unlinked.
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2144
 *
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2145
 * Returns: TRUE if the pads can be linked, FALSE otherwise.
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2146
 */
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2147
#ifdef __SYMBIAN32__
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2148
EXPORT_C
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2149
#endif
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2150
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2151
gboolean
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2152
gst_pad_can_link (GstPad * srcpad, GstPad * sinkpad)
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2153
{
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2154
  /* FIXME This function is gross.  It's almost a direct copy of
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2155
   * gst_pad_link_filtered().  Any decent programmer would attempt
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2156
   * to merge the two functions, which I will do some day. --ds
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2157
   */
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2158
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2159
  /* generic checks */
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2160
  g_return_val_if_fail (GST_IS_PAD (srcpad), FALSE);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2161
  g_return_val_if_fail (GST_IS_PAD (sinkpad), FALSE);
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2162
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2163
  GST_CAT_INFO (GST_CAT_PADS, "trying to link %s:%s and %s:%s",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2164
      GST_DEBUG_PAD_NAME (srcpad), GST_DEBUG_PAD_NAME (sinkpad));
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2165
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2166
  /* FIXME: shouldn't we convert this to g_return_val_if_fail? */
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2167
  if (GST_PAD_PEER (srcpad) != NULL) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2168
    GST_CAT_INFO (GST_CAT_PADS, "Source pad %s:%s has a peer, failed",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2169
        GST_DEBUG_PAD_NAME (srcpad));
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2170
    return FALSE;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2171
  }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2172
  if (GST_PAD_PEER (sinkpad) != NULL) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2173
    GST_CAT_INFO (GST_CAT_PADS, "Sink pad %s:%s has a peer, failed",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2174
        GST_DEBUG_PAD_NAME (sinkpad));
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2175
    return FALSE;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2176
  }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2177
  if (!GST_PAD_IS_SRC (srcpad)) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2178
    GST_CAT_INFO (GST_CAT_PADS, "Src pad %s:%s is not source pad, failed",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2179
        GST_DEBUG_PAD_NAME (srcpad));
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2180
    return FALSE;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2181
  }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2182
  if (!GST_PAD_IS_SINK (sinkpad)) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2183
    GST_CAT_INFO (GST_CAT_PADS, "Sink pad %s:%s is not sink pad, failed",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2184
        GST_DEBUG_PAD_NAME (sinkpad));
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2185
    return FALSE;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2186
  }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2187
  if (GST_PAD_PARENT (srcpad) == NULL) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2188
    GST_CAT_INFO (GST_CAT_PADS, "Src pad %s:%s has no parent, failed",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2189
        GST_DEBUG_PAD_NAME (srcpad));
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2190
    return FALSE;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2191
  }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2192
  if (GST_PAD_PARENT (sinkpad) == NULL) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2193
    GST_CAT_INFO (GST_CAT_PADS, "Sink pad %s:%s has no parent, failed",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2194
        GST_DEBUG_PAD_NAME (srcpad));
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2195
    return FALSE;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2196
  }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2197
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2198
  return TRUE;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2199
}
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2200
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2201
/**
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2202
 * gst_pad_use_fixed_caps:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2203
 * @pad: the pad to use
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2204
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2205
 * A helper function you can use that sets the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2206
 * @gst_pad_get_fixed_caps_func as the getcaps function for the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2207
 * pad. This way the function will always return the negotiated caps
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2208
 * or in case the pad is not negotiated, the padtemplate caps.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2209
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2210
 * Use this function on a pad that, once _set_caps() has been called
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2211
 * on it, cannot be renegotiated to something else.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2212
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2213
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2214
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2215
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2216
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2217
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2218
gst_pad_use_fixed_caps (GstPad * pad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2219
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2220
  gst_pad_set_getcaps_function (pad, gst_pad_get_fixed_caps_func);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2221
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2222
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2223
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2224
 * gst_pad_get_fixed_caps_func:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2225
 * @pad: the pad to use
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2226
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2227
 * A helper function you can use as a GetCaps function that
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2228
 * will return the currently negotiated caps or the padtemplate
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2229
 * when NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2230
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2231
 * Returns: The currently negotiated caps or the padtemplate.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2232
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2233
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2234
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2235
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2236
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2237
GstCaps *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2238
gst_pad_get_fixed_caps_func (GstPad * pad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2239
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2240
  GstCaps *result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2241
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2242
  g_return_val_if_fail (GST_IS_PAD (pad), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2243
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2244
  GST_OBJECT_LOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2245
  if (GST_PAD_CAPS (pad)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2246
    result = GST_PAD_CAPS (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2247
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2248
    GST_CAT_DEBUG (GST_CAT_CAPS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2249
        "using pad caps %p %" GST_PTR_FORMAT, result, result);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2250
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2251
    result = gst_caps_ref (result);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2252
    goto done;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2253
  }
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2254
  if (GST_PAD_PAD_TEMPLATE (pad)) {
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2255
    GstPadTemplate *templ = GST_PAD_PAD_TEMPLATE (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2256
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2257
    result = GST_PAD_TEMPLATE_CAPS (templ);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2258
    GST_CAT_DEBUG (GST_CAT_CAPS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2259
        "using pad template %p with caps %p %" GST_PTR_FORMAT, templ, result,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2260
        result);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2261
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2262
    result = gst_caps_ref (result);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2263
    goto done;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2264
  }
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2265
  GST_CAT_DEBUG (GST_CAT_CAPS, "pad has no caps");
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2266
  result = gst_caps_new_empty ();
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2267
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2268
done:
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2269
  GST_OBJECT_UNLOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2270
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2271
  return result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2272
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2273
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2274
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2275
 * gst_pad_get_parent_element:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2276
 * @pad: a pad
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2277
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2278
 * Gets the parent of @pad, cast to a #GstElement. If a @pad has no parent or
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2279
 * its parent is not an element, return NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2280
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2281
 * Returns: The parent of the pad. The caller has a reference on the parent, so
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2282
 * unref when you're finished with it.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2283
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2284
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2285
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2286
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2287
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2288
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2289
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2290
GstElement *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2291
gst_pad_get_parent_element (GstPad * pad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2292
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2293
  GstObject *p;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2294
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2295
  g_return_val_if_fail (GST_IS_PAD (pad), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2296
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2297
  p = gst_object_get_parent (GST_OBJECT_CAST (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2298
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2299
  if (p && !GST_IS_ELEMENT (p)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2300
    gst_object_unref (p);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2301
    p = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2302
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2303
  return GST_ELEMENT_CAST (p);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2304
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2305
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2306
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2307
 * gst_object_default_error:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2308
 * @source: the #GstObject that initiated the error.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2309
 * @error: the GError.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2310
 * @debug: an additional debug information string, or NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2311
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2312
 * A default error function.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2313
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2314
 * The default handler will simply print the error string using g_print.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2315
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2316
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2317
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2318
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2319
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2320
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2321
gst_object_default_error (GstObject * source, GError * error, gchar * debug)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2322
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2323
  gchar *name = gst_object_get_path_string (source);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2324
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2325
  g_print (_("ERROR: from element %s: %s\n"), name, error->message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2326
  if (debug)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2327
    g_print (_("Additional debug info:\n%s\n"), debug);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2328
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2329
  g_free (name);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2330
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2331
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2332
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2333
 * gst_bin_add_many:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2334
 * @bin: a #GstBin
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2335
 * @element_1: the #GstElement element to add to the bin
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2336
 * @...: additional elements to add to the bin
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2337
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2338
 * Adds a NULL-terminated list of elements to a bin.  This function is
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2339
 * equivalent to calling gst_bin_add() for each member of the list. The return
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2340
 * value of each gst_bin_add() is ignored.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2341
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2342
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2343
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2344
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2345
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2346
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2347
gst_bin_add_many (GstBin * bin, GstElement * element_1, ...)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2348
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2349
  va_list args;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2350
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2351
  g_return_if_fail (GST_IS_BIN (bin));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2352
  g_return_if_fail (GST_IS_ELEMENT (element_1));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2353
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2354
  va_start (args, element_1);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2355
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2356
  while (element_1) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2357
    gst_bin_add (bin, element_1);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2358
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2359
    element_1 = va_arg (args, GstElement *);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2360
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2361
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2362
  va_end (args);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2363
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2364
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2365
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2366
 * gst_bin_remove_many:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2367
 * @bin: a #GstBin
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2368
 * @element_1: the first #GstElement to remove from the bin
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2369
 * @...: NULL-terminated list of elements to remove from the bin
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2370
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2371
 * Remove a list of elements from a bin. This function is equivalent
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2372
 * to calling gst_bin_remove() with each member of the list.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2373
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2374
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2375
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2376
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2377
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2378
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2379
gst_bin_remove_many (GstBin * bin, GstElement * element_1, ...)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2380
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2381
  va_list args;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2382
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2383
  g_return_if_fail (GST_IS_BIN (bin));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2384
  g_return_if_fail (GST_IS_ELEMENT (element_1));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2385
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2386
  va_start (args, element_1);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2387
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2388
  while (element_1) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2389
    gst_bin_remove (bin, element_1);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2390
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2391
    element_1 = va_arg (args, GstElement *);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2392
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2393
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2394
  va_end (args);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2395
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2396
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2397
static void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2398
gst_element_populate_std_props (GObjectClass * klass, const gchar * prop_name,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2399
    guint arg_id, GParamFlags flags)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2400
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2401
  GQuark prop_id = g_quark_from_string (prop_name);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2402
  GParamSpec *pspec;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2403
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2404
  static GQuark fd_id = 0;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2405
  static GQuark blocksize_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2406
  static GQuark bytesperread_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2407
  static GQuark dump_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2408
  static GQuark filesize_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2409
  static GQuark mmapsize_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2410
  static GQuark location_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2411
  static GQuark offset_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2412
  static GQuark silent_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2413
  static GQuark touch_id;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2414
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2415
  if (!fd_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2416
    fd_id = g_quark_from_static_string ("fd");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2417
    blocksize_id = g_quark_from_static_string ("blocksize");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2418
    bytesperread_id = g_quark_from_static_string ("bytesperread");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2419
    dump_id = g_quark_from_static_string ("dump");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2420
    filesize_id = g_quark_from_static_string ("filesize");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2421
    mmapsize_id = g_quark_from_static_string ("mmapsize");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2422
    location_id = g_quark_from_static_string ("location");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2423
    offset_id = g_quark_from_static_string ("offset");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2424
    silent_id = g_quark_from_static_string ("silent");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2425
    touch_id = g_quark_from_static_string ("touch");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2426
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2427
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2428
  if (prop_id == fd_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2429
    pspec = g_param_spec_int ("fd", "File-descriptor",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2430
        "File-descriptor for the file being read", 0, G_MAXINT, 0, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2431
  } else if (prop_id == blocksize_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2432
    pspec = g_param_spec_ulong ("blocksize", "Block Size",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2433
        "Block size to read per buffer", 0, G_MAXULONG, 4096, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2434
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2435
  } else if (prop_id == bytesperread_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2436
    pspec = g_param_spec_int ("bytesperread", "Bytes per read",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2437
        "Number of bytes to read per buffer", G_MININT, G_MAXINT, 0, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2438
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2439
  } else if (prop_id == dump_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2440
    pspec = g_param_spec_boolean ("dump", "Dump",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2441
        "Dump bytes to stdout", FALSE, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2442
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2443
  } else if (prop_id == filesize_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2444
    pspec = g_param_spec_int64 ("filesize", "File Size",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2445
        "Size of the file being read", 0, G_MAXINT64, 0, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2446
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2447
  } else if (prop_id == mmapsize_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2448
    pspec = g_param_spec_ulong ("mmapsize", "mmap() Block Size",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2449
        "Size in bytes of mmap()d regions", 0, G_MAXULONG, 4 * 1048576, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2450
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2451
  } else if (prop_id == location_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2452
    pspec = g_param_spec_string ("location", "File Location",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2453
        "Location of the file to read", NULL, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2454
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2455
  } else if (prop_id == offset_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2456
    pspec = g_param_spec_int64 ("offset", "File Offset",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2457
        "Byte offset of current read pointer", 0, G_MAXINT64, 0, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2458
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2459
  } else if (prop_id == silent_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2460
    pspec = g_param_spec_boolean ("silent", "Silent", "Don't produce events",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2461
        FALSE, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2462
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2463
  } else if (prop_id == touch_id) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2464
    pspec = g_param_spec_boolean ("touch", "Touch read data",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2465
        "Touch data to force disk read before " "push ()", TRUE, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2466
  } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2467
    g_warning ("Unknown - 'standard' property '%s' id %d from klass %s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2468
        prop_name, arg_id, g_type_name (G_OBJECT_CLASS_TYPE (klass)));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2469
    pspec = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2470
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2471
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2472
  if (pspec) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2473
    g_object_class_install_property (klass, arg_id, pspec);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2474
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2475
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2476
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2477
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2478
 * gst_element_class_install_std_props:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2479
 * @klass: the #GstElementClass to add the properties to.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2480
 * @first_name: the name of the first property.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2481
 * in a NULL terminated
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2482
 * @...: the id and flags of the first property, followed by
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2483
 * further 'name', 'id', 'flags' triplets and terminated by NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2484
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2485
 * Adds a list of standardized properties with types to the @klass.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2486
 * the id is for the property switch in your get_prop method, and
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2487
 * the flags determine readability / writeability.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2488
 **/
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2489
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2490
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2491
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2492
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2493
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2494
gst_element_class_install_std_props (GstElementClass * klass,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2495
    const gchar * first_name, ...)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2496
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2497
  const char *name;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2498
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2499
  va_list args;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2500
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2501
  g_return_if_fail (GST_IS_ELEMENT_CLASS (klass));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2502
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2503
  va_start (args, first_name);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2504
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2505
  name = first_name;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2506
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2507
  while (name) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2508
    int arg_id = va_arg (args, int);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2509
    int flags = va_arg (args, int);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2510
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2511
    gst_element_populate_std_props ((GObjectClass *) klass, name, arg_id,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2512
        flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2513
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2514
    name = va_arg (args, char *);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2515
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2516
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2517
  va_end (args);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2518
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2519
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2520
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2521
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2522
 * gst_buffer_merge:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2523
 * @buf1: the first source #GstBuffer to merge.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2524
 * @buf2: the second source #GstBuffer to merge.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2525
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2526
 * Create a new buffer that is the concatenation of the two source
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2527
 * buffers.  The original source buffers will not be modified or
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2528
 * unref'd.  Make sure you unref the source buffers if they are not used
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2529
 * anymore afterwards.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2530
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2531
 * If the buffers point to contiguous areas of memory, the buffer
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2532
 * is created without copying the data.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2533
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2534
 * Returns: the new #GstBuffer which is the concatenation of the source buffers.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2535
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2536
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2537
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2538
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2539
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2540
GstBuffer *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2541
gst_buffer_merge (GstBuffer * buf1, GstBuffer * buf2)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2542
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2543
  GstBuffer *result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2544
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2545
  /* we're just a specific case of the more general gst_buffer_span() */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2546
  result = gst_buffer_span (buf1, 0, buf2, buf1->size + buf2->size);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2547
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2548
  return result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2549
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2550
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2551
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2552
 * gst_buffer_join:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2553
 * @buf1: the first source #GstBuffer.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2554
 * @buf2: the second source #GstBuffer.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2555
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2556
 * Create a new buffer that is the concatenation of the two source
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2557
 * buffers, and unrefs the original source buffers.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2558
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2559
 * If the buffers point to contiguous areas of memory, the buffer
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2560
 * is created without copying the data.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2561
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2562
 * Returns: the new #GstBuffer which is the concatenation of the source buffers.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2563
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2564
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2565
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2566
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2567
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2568
GstBuffer *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2569
gst_buffer_join (GstBuffer * buf1, GstBuffer * buf2)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2570
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2571
  GstBuffer *result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2572
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2573
  result = gst_buffer_span (buf1, 0, buf2, buf1->size + buf2->size);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2574
  gst_buffer_unref (buf1);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2575
  gst_buffer_unref (buf2);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2576
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2577
  return result;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2578
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2579
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2580
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2581
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2582
 * gst_buffer_stamp:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2583
 * @dest: buffer to stamp
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2584
 * @src: buffer to stamp from
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2585
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2586
 * Copies additional information (the timestamp, duration, and offset start
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2587
 * and end) from one buffer to the other.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2588
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2589
 * This function does not copy any buffer flags or caps and is equivalent to
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2590
 * gst_buffer_copy_metadata(@dest, @src, GST_BUFFER_COPY_TIMESTAMPS).
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2591
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2592
 * Deprecated: use gst_buffer_copy_metadata() instead, it provides more
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2593
 * control.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2594
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2595
#ifndef GST_REMOVE_DEPRECATED
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2596
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2597
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2598
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2599
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2600
gst_buffer_stamp (GstBuffer * dest, const GstBuffer * src)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2601
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2602
  gst_buffer_copy_metadata (dest, src, GST_BUFFER_COPY_TIMESTAMPS);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2603
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2604
#endif /* GST_REMOVE_DEPRECATED */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2605
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2606
static gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2607
intersect_caps_func (GstPad * pad, GValue * ret, GstPad * orig)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2608
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2609
  if (pad != orig) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2610
    GstCaps *peercaps, *existing;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2611
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2612
    existing = g_value_get_pointer (ret);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2613
    peercaps = gst_pad_peer_get_caps (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2614
    if (peercaps == NULL)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2615
      peercaps = gst_caps_new_any ();
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2616
    g_value_set_pointer (ret, gst_caps_intersect (existing, peercaps));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2617
    gst_caps_unref (existing);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2618
    gst_caps_unref (peercaps);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2619
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2620
  gst_object_unref (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2621
  return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2622
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2623
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2624
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2625
 * gst_pad_proxy_getcaps:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2626
 * @pad: a #GstPad to proxy.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2627
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2628
 * Calls gst_pad_get_allowed_caps() for every other pad belonging to the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2629
 * same element as @pad, and returns the intersection of the results.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2630
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2631
 * This function is useful as a default getcaps function for an element
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2632
 * that can handle any stream format, but requires all its pads to have
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2633
 * the same caps.  Two such elements are tee and aggregator.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2634
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2635
 * Returns: the intersection of the other pads' allowed caps.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2636
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2637
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2638
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2639
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2640
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2641
GstCaps *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2642
gst_pad_proxy_getcaps (GstPad * pad)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2643
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2644
  GstElement *element;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2645
  GstCaps *caps, *intersected;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2646
  GstIterator *iter;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2647
  GstIteratorResult res;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2648
  GValue ret = { 0, };
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2649
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2650
  g_return_val_if_fail (GST_IS_PAD (pad), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2651
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2652
  GST_DEBUG ("proxying getcaps for %s:%s", GST_DEBUG_PAD_NAME (pad));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2653
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2654
  element = gst_pad_get_parent_element (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2655
  if (element == NULL)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2656
    return NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2657
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2658
  /* value to hold the return, by default it holds ANY, the ref is taken by
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2659
   * the GValue. */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2660
  g_value_init (&ret, G_TYPE_POINTER);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2661
  g_value_set_pointer (&ret, gst_caps_new_any ());
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2662
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2663
  iter = gst_element_iterate_pads (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2664
  while (1) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2665
    res =
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2666
        gst_iterator_fold (iter, (GstIteratorFoldFunction) intersect_caps_func,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2667
        &ret, pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2668
    switch (res) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2669
      case GST_ITERATOR_RESYNC:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2670
        /* unref any value stored */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2671
        if ((caps = g_value_get_pointer (&ret)))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2672
          gst_caps_unref (caps);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2673
        /* need to reset the result again to ANY */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2674
        g_value_set_pointer (&ret, gst_caps_new_any ());
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2675
        gst_iterator_resync (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2676
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2677
      case GST_ITERATOR_DONE:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2678
        /* all pads iterated, return collected value */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2679
        goto done;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2680
      default:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2681
        /* iterator returned _ERROR or premature end with _OK,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2682
         * mark an error and exit */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2683
        if ((caps = g_value_get_pointer (&ret)))
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2684
          gst_caps_unref (caps);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2685
        g_value_set_pointer (&ret, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2686
        goto error;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2687
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2688
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2689
done:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2690
  gst_iterator_free (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2691
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2692
  gst_object_unref (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2693
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2694
  caps = g_value_get_pointer (&ret);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2695
  g_value_unset (&ret);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2696
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2697
  intersected = gst_caps_intersect (caps, gst_pad_get_pad_template_caps (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2698
  gst_caps_unref (caps);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2699
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2700
  return intersected;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2701
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2702
  /* ERRORS */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2703
error:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2704
  {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2705
    g_warning ("Pad list returned error on element %s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2706
        GST_ELEMENT_NAME (element));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2707
    gst_iterator_free (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2708
    gst_object_unref (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2709
    return NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2710
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2711
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2712
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2713
typedef struct
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2714
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2715
  GstPad *orig;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2716
  GstCaps *caps;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2717
} LinkData;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2718
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2719
static gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2720
link_fold_func (GstPad * pad, GValue * ret, LinkData * data)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2721
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2722
  gboolean success = TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2723
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2724
  if (pad != data->orig) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2725
    success = gst_pad_set_caps (pad, data->caps);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2726
    g_value_set_boolean (ret, success);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2727
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2728
  gst_object_unref (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2729
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2730
  return success;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2731
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2732
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2733
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2734
 * gst_pad_proxy_setcaps
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2735
 * @pad: a #GstPad to proxy from
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2736
 * @caps: the #GstCaps to link with
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2737
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2738
 * Calls gst_pad_set_caps() for every other pad belonging to the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2739
 * same element as @pad.  If gst_pad_set_caps() fails on any pad,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2740
 * the proxy setcaps fails. May be used only during negotiation.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2741
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2742
 * Returns: TRUE if sucessful
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2743
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2744
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2745
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2746
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2747
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2748
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2749
gst_pad_proxy_setcaps (GstPad * pad, GstCaps * caps)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2750
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2751
  GstElement *element;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2752
  GstIterator *iter;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2753
  GstIteratorResult res;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2754
  GValue ret = { 0, };
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2755
  LinkData data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2756
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2757
  g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2758
  g_return_val_if_fail (caps != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2759
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2760
  GST_DEBUG ("proxying pad link for %s:%s", GST_DEBUG_PAD_NAME (pad));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2761
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2762
  element = gst_pad_get_parent_element (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2763
  if (element == NULL)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2764
    return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2765
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2766
  iter = gst_element_iterate_pads (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2767
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2768
  g_value_init (&ret, G_TYPE_BOOLEAN);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2769
  g_value_set_boolean (&ret, TRUE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2770
  data.orig = pad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2771
  data.caps = caps;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2772
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2773
  res = gst_iterator_fold (iter, (GstIteratorFoldFunction) link_fold_func,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2774
      &ret, &data);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2775
  gst_iterator_free (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2776
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2777
  if (res != GST_ITERATOR_DONE)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2778
    goto pads_changed;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2779
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2780
  gst_object_unref (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2781
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2782
  /* ok not to unset the gvalue */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2783
  return g_value_get_boolean (&ret);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2784
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2785
  /* ERRORS */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2786
pads_changed:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2787
  {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2788
    g_warning ("Pad list changed during proxy_pad_link for element %s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2789
        GST_ELEMENT_NAME (element));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2790
    gst_object_unref (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2791
    return FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2792
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2793
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2794
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2795
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2796
 * gst_pad_query_position:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2797
 * @pad: a #GstPad to invoke the position query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2798
 * @format: a pointer to the #GstFormat asked for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2799
 *          On return contains the #GstFormat used.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2800
 * @cur: A location in which to store the current position, or NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2801
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2802
 * Queries a pad for the stream position.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2803
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2804
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2805
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2806
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2807
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2808
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2809
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2810
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2811
gst_pad_query_position (GstPad * pad, GstFormat * format, gint64 * cur)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2812
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2813
  GstQuery *query;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2814
  gboolean ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2815
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2816
  g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2817
  g_return_val_if_fail (format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2818
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2819
  query = gst_query_new_position (*format);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2820
  ret = gst_pad_query (pad, query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2821
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2822
  if (ret)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2823
    gst_query_parse_position (query, format, cur);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2824
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2825
  gst_query_unref (query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2826
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2827
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2828
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2829
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2830
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2831
 * gst_pad_query_peer_position:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2832
 * @pad: a #GstPad on whose peer to invoke the position query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2833
 *       Must be a sink pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2834
 * @format: a pointer to the #GstFormat asked for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2835
 *          On return contains the #GstFormat used.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2836
 * @cur: A location in which to store the current position, or NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2837
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2838
 * Queries the peer of a given sink pad for the stream position.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2839
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2840
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2841
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2842
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2843
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2844
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2845
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2846
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2847
gst_pad_query_peer_position (GstPad * pad, GstFormat * format, gint64 * cur)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2848
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2849
  gboolean ret = FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2850
  GstPad *peer;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2851
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2852
  g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2853
  g_return_val_if_fail (GST_PAD_IS_SINK (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2854
  g_return_val_if_fail (format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2855
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2856
  peer = gst_pad_get_peer (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2857
  if (peer) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2858
    ret = gst_pad_query_position (peer, format, cur);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2859
    gst_object_unref (peer);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2860
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2861
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2862
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2863
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2864
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2865
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2866
 * gst_pad_query_duration:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2867
 * @pad: a #GstPad to invoke the duration query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2868
 * @format: a pointer to the #GstFormat asked for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2869
 *          On return contains the #GstFormat used.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2870
 * @duration: A location in which to store the total duration, or NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2871
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2872
 * Queries a pad for the total stream duration.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2873
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2874
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2875
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2876
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2877
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2878
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2879
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2880
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2881
gst_pad_query_duration (GstPad * pad, GstFormat * format, gint64 * duration)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2882
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2883
  GstQuery *query;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2884
  gboolean ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2885
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2886
  g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2887
  g_return_val_if_fail (format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2888
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2889
  query = gst_query_new_duration (*format);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2890
  ret = gst_pad_query (pad, query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2891
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2892
  if (ret)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2893
    gst_query_parse_duration (query, format, duration);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2894
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2895
  gst_query_unref (query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2896
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2897
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2898
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2899
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2900
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2901
 * gst_pad_query_peer_duration:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2902
 * @pad: a #GstPad on whose peer pad to invoke the duration query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2903
 *       Must be a sink pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2904
 * @format: a pointer to the #GstFormat asked for.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2905
 *          On return contains the #GstFormat used.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2906
 * @duration: A location in which to store the total duration, or NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2907
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2908
 * Queries the peer pad of a given sink pad for the total stream duration.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2909
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2910
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2911
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2912
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2913
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2914
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2915
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2916
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2917
gst_pad_query_peer_duration (GstPad * pad, GstFormat * format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2918
    gint64 * duration)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2919
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2920
  gboolean ret = FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2921
  GstPad *peer;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2922
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2923
  g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2924
  g_return_val_if_fail (GST_PAD_IS_SINK (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2925
  g_return_val_if_fail (format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2926
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2927
  peer = gst_pad_get_peer (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2928
  if (peer) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2929
    ret = gst_pad_query_duration (peer, format, duration);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2930
    gst_object_unref (peer);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2931
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2932
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2933
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2934
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2935
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2936
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2937
 * gst_pad_query_convert:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2938
 * @pad: a #GstPad to invoke the convert query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2939
 * @src_format: a #GstFormat to convert from.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2940
 * @src_val: a value to convert.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2941
 * @dest_format: a pointer to the #GstFormat to convert to.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2942
 * @dest_val: a pointer to the result.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2943
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2944
 * Queries a pad to convert @src_val in @src_format to @dest_format.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2945
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2946
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2947
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2948
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2949
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2950
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2951
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2952
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2953
gst_pad_query_convert (GstPad * pad, GstFormat src_format, gint64 src_val,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2954
    GstFormat * dest_format, gint64 * dest_val)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2955
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2956
  GstQuery *query;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2957
  gboolean ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2958
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2959
  g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  2960
  g_return_val_if_fail (src_val >= 0, FALSE);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2961
  g_return_val_if_fail (dest_format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2962
  g_return_val_if_fail (dest_val != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2963
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2964
  if (*dest_format == src_format) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2965
    *dest_val = src_val;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2966
    return TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2967
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2968
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2969
  query = gst_query_new_convert (src_format, src_val, *dest_format);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2970
  ret = gst_pad_query (pad, query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2971
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2972
  if (ret)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2973
    gst_query_parse_convert (query, NULL, NULL, dest_format, dest_val);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2974
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2975
  gst_query_unref (query);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2976
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2977
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2978
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2979
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2980
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2981
 * gst_pad_query_peer_convert:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2982
 * @pad: a #GstPad, on whose peer pad to invoke the convert query on.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2983
 *       Must be a sink pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2984
 * @src_format: a #GstFormat to convert from.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2985
 * @src_val: a value to convert.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2986
 * @dest_format: a pointer to the #GstFormat to convert to.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2987
 * @dest_val: a pointer to the result.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2988
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2989
 * Queries the peer pad of a given sink pad to convert @src_val in @src_format
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2990
 * to @dest_format.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2991
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2992
 * Returns: TRUE if the query could be performed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2993
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2994
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2995
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2996
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2997
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2998
gboolean
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  2999
gst_pad_query_peer_convert (GstPad * pad, GstFormat src_format, gint64 src_val,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3000
    GstFormat * dest_format, gint64 * dest_val)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3001
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3002
  gboolean ret = FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3003
  GstPad *peer;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3004
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3005
  g_return_val_if_fail (GST_IS_PAD (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3006
  g_return_val_if_fail (GST_PAD_IS_SINK (pad), FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3007
  g_return_val_if_fail (src_val >= 0, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3008
  g_return_val_if_fail (dest_format != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3009
  g_return_val_if_fail (dest_val != NULL, FALSE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3010
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3011
  peer = gst_pad_get_peer (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3012
  if (peer) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3013
    ret = gst_pad_query_convert (peer, src_format, src_val, dest_format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3014
        dest_val);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3015
    gst_object_unref (peer);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3016
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3017
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3018
  return ret;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3019
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3020
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3021
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3022
 * gst_atomic_int_set:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3023
 * @atomic_int: pointer to an atomic integer
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3024
 * @value: value to set
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3025
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3026
 * Unconditionally sets the atomic integer to @value.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3027
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3028
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3029
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3030
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3031
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3032
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3033
gst_atomic_int_set (gint * atomic_int, gint value)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3034
{
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3035
  int ignore;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3036
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3037
  *atomic_int = value;
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3038
  /* read acts as a memory barrier */
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3039
  ignore = g_atomic_int_get (atomic_int);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3040
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3041
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3042
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3043
 * gst_pad_add_data_probe:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3044
 * @pad: pad to add the data probe handler to
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3045
 * @handler: function to call when data is passed over pad
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3046
 * @data: data to pass along with the handler
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3047
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3048
 * Adds a "data probe" to a pad. This function will be called whenever data
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3049
 * passes through a pad. In this case data means both events and buffers. The
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3050
 * probe will be called with the data as an argument, meaning @handler should
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3051
 * have the same callback signature as the #GstPad::have-data signal.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3052
 * Note that the data will have a reference count greater than 1, so it will
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3053
 * be immutable -- you must not change it.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3054
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3055
 * For source pads, the probe will be called after the blocking function, if any
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3056
 * (see gst_pad_set_blocked_async()), but before looking up the peer to chain
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3057
 * to. For sink pads, the probe function will be called before configuring the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3058
 * sink with new caps, if any, and before calling the pad's chain function.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3059
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3060
 * Your data probe should return TRUE to let the data continue to flow, or FALSE
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3061
 * to drop it. Dropping data is rarely useful, but occasionally comes in handy
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3062
 * with events.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3063
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3064
 * Although probes are implemented internally by connecting @handler to the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3065
 * have-data signal on the pad, if you want to remove a probe it is insufficient
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3066
 * to only call g_signal_handler_disconnect on the returned handler id. To
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3067
 * remove a probe, use the appropriate function, such as
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3068
 * gst_pad_remove_data_probe().
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3069
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3070
 * Returns: The handler id.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3071
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3072
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3073
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3074
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3075
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3076
gulong
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3077
gst_pad_add_data_probe (GstPad * pad, GCallback handler, gpointer data)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3078
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3079
  gulong sigid;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3080
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3081
  g_return_val_if_fail (GST_IS_PAD (pad), 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3082
  g_return_val_if_fail (handler != NULL, 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3083
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3084
  GST_OBJECT_LOCK (pad);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3085
  sigid = g_signal_connect (pad, "have-data", handler, data);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3086
  GST_PAD_DO_EVENT_SIGNALS (pad)++;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3087
  GST_PAD_DO_BUFFER_SIGNALS (pad)++;
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3088
  GST_DEBUG ("adding data probe to pad %s:%s, now %d data, %d event probes",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3089
      GST_DEBUG_PAD_NAME (pad),
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3090
      GST_PAD_DO_BUFFER_SIGNALS (pad), GST_PAD_DO_EVENT_SIGNALS (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3091
  GST_OBJECT_UNLOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3092
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3093
  return sigid;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3094
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3095
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3096
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3097
 * gst_pad_add_event_probe:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3098
 * @pad: pad to add the event probe handler to
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3099
 * @handler: function to call when events are passed over pad
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3100
 * @data: data to pass along with the handler
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3101
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3102
 * Adds a probe that will be called for all events passing through a pad. See
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3103
 * gst_pad_add_data_probe() for more information.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3104
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3105
 * Returns: The handler id
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3106
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3107
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3108
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3109
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3110
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3111
gulong
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3112
gst_pad_add_event_probe (GstPad * pad, GCallback handler, gpointer data)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3113
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3114
  gulong sigid;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3115
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3116
  g_return_val_if_fail (GST_IS_PAD (pad), 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3117
  g_return_val_if_fail (handler != NULL, 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3118
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3119
  GST_OBJECT_LOCK (pad);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3120
  sigid = g_signal_connect (pad, "have-data::event", handler, data);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3121
  GST_PAD_DO_EVENT_SIGNALS (pad)++;
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3122
  GST_DEBUG ("adding event probe to pad %s:%s, now %d probes",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3123
      GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_EVENT_SIGNALS (pad));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3124
  GST_OBJECT_UNLOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3125
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3126
  return sigid;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3127
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3128
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3129
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3130
 * gst_pad_add_buffer_probe:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3131
 * @pad: pad to add the buffer probe handler to
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3132
 * @handler: function to call when buffers are passed over pad
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3133
 * @data: data to pass along with the handler
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3134
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3135
 * Adds a probe that will be called for all buffers passing through a pad. See
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3136
 * gst_pad_add_data_probe() for more information.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3137
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3138
 * Returns: The handler id
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3139
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3140
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3141
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3142
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3143
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3144
gulong
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3145
gst_pad_add_buffer_probe (GstPad * pad, GCallback handler, gpointer data)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3146
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3147
  gulong sigid;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3148
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3149
  g_return_val_if_fail (GST_IS_PAD (pad), 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3150
  g_return_val_if_fail (handler != NULL, 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3151
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3152
  GST_OBJECT_LOCK (pad);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3153
  sigid = g_signal_connect (pad, "have-data::buffer", handler, data);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3154
  GST_PAD_DO_BUFFER_SIGNALS (pad)++;
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3155
  GST_DEBUG ("adding buffer probe to pad %s:%s, now %d probes",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3156
      GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_BUFFER_SIGNALS (pad));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3157
  GST_OBJECT_UNLOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3158
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3159
  return sigid;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3160
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3161
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3162
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3163
 * gst_pad_remove_data_probe:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3164
 * @pad: pad to remove the data probe handler from
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3165
 * @handler_id: handler id returned from gst_pad_add_data_probe
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3166
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3167
 * Removes a data probe from @pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3168
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3169
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3170
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3171
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3172
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3173
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3174
gst_pad_remove_data_probe (GstPad * pad, guint handler_id)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3175
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3176
  g_return_if_fail (GST_IS_PAD (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3177
  g_return_if_fail (handler_id > 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3178
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3179
  GST_OBJECT_LOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3180
  g_signal_handler_disconnect (pad, handler_id);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3181
  GST_PAD_DO_BUFFER_SIGNALS (pad)--;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3182
  GST_PAD_DO_EVENT_SIGNALS (pad)--;
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3183
  GST_DEBUG
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3184
      ("removed data probe from pad %s:%s, now %d event, %d buffer probes",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3185
      GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_EVENT_SIGNALS (pad),
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3186
      GST_PAD_DO_BUFFER_SIGNALS (pad));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3187
  GST_OBJECT_UNLOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3188
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3189
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3190
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3191
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3192
 * gst_pad_remove_event_probe:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3193
 * @pad: pad to remove the event probe handler from
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3194
 * @handler_id: handler id returned from gst_pad_add_event_probe
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3195
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3196
 * Removes an event probe from @pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3197
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3198
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3199
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3200
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3201
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3202
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3203
gst_pad_remove_event_probe (GstPad * pad, guint handler_id)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3204
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3205
  g_return_if_fail (GST_IS_PAD (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3206
  g_return_if_fail (handler_id > 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3207
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3208
  GST_OBJECT_LOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3209
  g_signal_handler_disconnect (pad, handler_id);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3210
  GST_PAD_DO_EVENT_SIGNALS (pad)--;
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3211
  GST_DEBUG ("removed event probe from pad %s:%s, now %d event probes",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3212
      GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_EVENT_SIGNALS (pad));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3213
  GST_OBJECT_UNLOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3214
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3215
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3216
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3217
 * gst_pad_remove_buffer_probe:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3218
 * @pad: pad to remove the buffer probe handler from
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3219
 * @handler_id: handler id returned from gst_pad_add_buffer_probe
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3220
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3221
 * Removes a buffer probe from @pad.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3222
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3223
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3224
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3225
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3226
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3227
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3228
gst_pad_remove_buffer_probe (GstPad * pad, guint handler_id)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3229
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3230
  g_return_if_fail (GST_IS_PAD (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3231
  g_return_if_fail (handler_id > 0);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3232
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3233
  GST_OBJECT_LOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3234
  g_signal_handler_disconnect (pad, handler_id);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3235
  GST_PAD_DO_BUFFER_SIGNALS (pad)--;
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3236
  GST_DEBUG ("removed buffer probe from pad %s:%s, now %d buffer probes",
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3237
      GST_DEBUG_PAD_NAME (pad), GST_PAD_DO_BUFFER_SIGNALS (pad));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3238
  GST_OBJECT_UNLOCK (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3239
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3240
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3241
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3242
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3243
 * gst_element_found_tags_for_pad:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3244
 * @element: element for which to post taglist to bus.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3245
 * @pad: pad on which to push tag-event.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3246
 * @list: the taglist to post on the bus and create event from.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3247
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3248
 * Posts a message to the bus that new tags were found and pushes the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3249
 * tags as event. Takes ownership of the @list.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3250
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3251
 * This is a utility method for elements. Applications should use the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3252
 * #GstTagSetter interface.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3253
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3254
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3255
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3256
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3257
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3258
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3259
gst_element_found_tags_for_pad (GstElement * element,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3260
    GstPad * pad, GstTagList * list)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3261
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3262
  g_return_if_fail (element != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3263
  g_return_if_fail (pad != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3264
  g_return_if_fail (list != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3265
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3266
  gst_pad_push_event (pad, gst_event_new_tag (gst_tag_list_copy (list)));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3267
  gst_element_post_message (element,
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3268
      gst_message_new_tag (GST_OBJECT (element), list));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3269
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3270
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3271
static void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3272
push_and_ref (GstPad * pad, GstEvent * event)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3273
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3274
  gst_pad_push_event (pad, gst_event_ref (event));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3275
  /* iterator refs pad, we unref when we are done with it */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3276
  gst_object_unref (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3277
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3278
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3279
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3280
 * gst_element_found_tags:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3281
 * @element: element for which we found the tags.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3282
 * @list: list of tags.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3283
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3284
 * Posts a message to the bus that new tags were found, and pushes an event
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3285
 * to all sourcepads. Takes ownership of the @list.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3286
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3287
 * This is a utility method for elements. Applications should use the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3288
 * #GstTagSetter interface.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3289
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3290
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3291
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3292
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3293
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3294
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3295
gst_element_found_tags (GstElement * element, GstTagList * list)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3296
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3297
  GstIterator *iter;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3298
  GstEvent *event;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3299
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3300
  g_return_if_fail (element != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3301
  g_return_if_fail (list != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3302
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3303
  iter = gst_element_iterate_src_pads (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3304
  event = gst_event_new_tag (gst_tag_list_copy (list));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3305
  gst_iterator_foreach (iter, (GFunc) push_and_ref, event);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3306
  gst_iterator_free (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3307
  gst_event_unref (event);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3308
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3309
  gst_element_post_message (element,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3310
      gst_message_new_tag (GST_OBJECT (element), list));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3311
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3312
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3313
static GstPad *
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3314
element_find_unconnected_pad (GstElement * element, GstPadDirection direction)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3315
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3316
  GstIterator *iter;
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3317
  GstPad *unconnected_pad = NULL;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3318
  gboolean done;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3319
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3320
  switch (direction) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3321
    case GST_PAD_SRC:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3322
      iter = gst_element_iterate_src_pads (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3323
      break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3324
    case GST_PAD_SINK:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3325
      iter = gst_element_iterate_sink_pads (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3326
      break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3327
    default:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3328
      g_return_val_if_reached (NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3329
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3330
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3331
  done = FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3332
  while (!done) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3333
    gpointer pad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3334
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3335
    switch (gst_iterator_next (iter, &pad)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3336
      case GST_ITERATOR_OK:{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3337
        GstPad *peer;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3338
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3339
        GST_CAT_LOG (GST_CAT_ELEMENT_PADS, "examining pad %s:%s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3340
            GST_DEBUG_PAD_NAME (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3341
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3342
        peer = gst_pad_get_peer (GST_PAD (pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3343
        if (peer == NULL) {
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3344
          unconnected_pad = pad;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3345
          done = TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3346
          GST_CAT_DEBUG (GST_CAT_ELEMENT_PADS,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3347
              "found existing unlinked pad %s:%s",
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3348
              GST_DEBUG_PAD_NAME (unconnected_pad));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3349
        } else {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3350
          gst_object_unref (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3351
          gst_object_unref (peer);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3352
        }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3353
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3354
      }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3355
      case GST_ITERATOR_DONE:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3356
        done = TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3357
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3358
      case GST_ITERATOR_RESYNC:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3359
        gst_iterator_resync (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3360
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3361
      case GST_ITERATOR_ERROR:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3362
        g_return_val_if_reached (NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3363
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3364
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3365
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3366
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3367
  gst_iterator_free (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3368
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3369
  return unconnected_pad;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3370
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3371
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3372
/**
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3373
 * gst_bin_find_unconnected_pad:
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3374
 * @bin: bin in which to look for elements with unconnected pads
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3375
 * @direction: whether to look for an unconnected source or sink pad
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3376
 *
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3377
 * Recursively looks for elements with an unconnected pad of the given
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3378
 * direction within the specified bin and returns an unconnected pad
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3379
 * if one is found, or NULL otherwise. If a pad is found, the caller
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3380
 * owns a reference to it and should use gst_object_unref() on the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3381
 * pad when it is not needed any longer.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3382
 *
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3383
 * Returns: unconnected pad of the given direction, or NULL.
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3384
 *
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3385
 * Since: 0.10.3
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3386
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3387
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3388
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3389
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3390
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3391
GstPad *
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3392
gst_bin_find_unconnected_pad (GstBin * bin, GstPadDirection direction)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3393
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3394
  GstIterator *iter;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3395
  gboolean done;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3396
  GstPad *pad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3397
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3398
  g_return_val_if_fail (GST_IS_BIN (bin), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3399
  g_return_val_if_fail (direction != GST_PAD_UNKNOWN, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3400
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3401
  done = FALSE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3402
  iter = gst_bin_iterate_recurse (bin);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3403
  while (!done) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3404
    gpointer element;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3405
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3406
    switch (gst_iterator_next (iter, &element)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3407
      case GST_ITERATOR_OK:
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3408
        pad = element_find_unconnected_pad (GST_ELEMENT (element), direction);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3409
        gst_object_unref (element);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3410
        if (pad != NULL)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3411
          done = TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3412
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3413
      case GST_ITERATOR_DONE:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3414
        done = TRUE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3415
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3416
      case GST_ITERATOR_RESYNC:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3417
        gst_iterator_resync (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3418
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3419
      case GST_ITERATOR_ERROR:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3420
        g_return_val_if_reached (NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3421
        break;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3422
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3423
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3424
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3425
  gst_iterator_free (iter);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3426
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3427
  return pad;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3428
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3429
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3430
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3431
 * gst_parse_bin_from_description:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3432
 * @bin_description: command line describing the bin
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3433
 * @ghost_unconnected_pads: whether to automatically create ghost pads
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3434
 *                          for unconnected source or sink pads within
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3435
 *                          the bin
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3436
 * @err: where to store the error message in case of an error, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3437
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3438
 * This is a convenience wrapper around gst_parse_launch() to create a
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3439
 * #GstBin from a gst-launch-style pipeline description. See
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3440
 * gst_parse_launch() and the gst-launch man page for details about the
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3441
 * syntax. Ghost pads on the bin for unconnected source or sink pads
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3442
 * within the bin can automatically be created (but only a maximum of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3443
 * one ghost pad for each direction will be created; if you expect
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3444
 * multiple unconnected source pads or multiple unconnected sink pads
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3445
 * and want them all ghosted, you will have to create the ghost pads
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3446
 * yourself).
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3447
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3448
 * Returns: a newly-created bin, or NULL if an error occurred.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3449
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3450
 * Since: 0.10.3
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3451
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3452
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3453
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3454
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3455
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3456
GstElement *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3457
gst_parse_bin_from_description (const gchar * bin_description,
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3458
    gboolean ghost_unconnected_pads, GError ** err)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3459
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3460
#ifndef GST_DISABLE_PARSE
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3461
  GstPad *pad = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3462
  GstBin *bin;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3463
  gchar *desc;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3464
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3465
  g_return_val_if_fail (bin_description != NULL, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3466
  g_return_val_if_fail (err == NULL || *err == NULL, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3467
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3468
  GST_DEBUG ("Making bin from description '%s'", bin_description);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3469
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3470
  /* parse the pipeline to a bin */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3471
  desc = g_strdup_printf ("bin.( %s )", bin_description);
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3472
  bin = (GstBin *) gst_parse_launch (desc, err);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3473
  g_free (desc);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3474
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3475
  if (bin == NULL || (err && *err != NULL)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3476
    if (bin)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3477
      gst_object_unref (bin);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3478
    return NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3479
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3480
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3481
  /* find pads and ghost them if necessary */
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3482
  if (ghost_unconnected_pads) {
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3483
    if ((pad = gst_bin_find_unconnected_pad (bin, GST_PAD_SRC))) {
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3484
      gst_element_add_pad (GST_ELEMENT (bin), gst_ghost_pad_new ("src", pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3485
      gst_object_unref (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3486
    }
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3487
    if ((pad = gst_bin_find_unconnected_pad (bin, GST_PAD_SINK))) {
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3488
      gst_element_add_pad (GST_ELEMENT (bin), gst_ghost_pad_new ("sink", pad));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3489
      gst_object_unref (pad);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3490
    }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3491
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3492
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3493
  return GST_ELEMENT (bin);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3494
#else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3495
  gchar *msg;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3496
8
7e817e7e631c Revert incorrect RCL_3 drop:
Pat Downey <patd@symbian.org>
parents: 7
diff changeset
  3497
  GST_WARNING ("Disabled API called: gst_parse_bin_from_description()");
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3498
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3499
  msg = gst_error_get_message (GST_CORE_ERROR, GST_CORE_ERROR_DISABLED);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3500
  g_set_error (err, GST_CORE_ERROR, GST_CORE_ERROR_DISABLED, "%s", msg);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3501
  g_free (msg);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3502
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3503
  return NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3504
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3505
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3506
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3507
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3508
 * gst_type_register_static_full:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3509
 * @parent_type: The GType of the parent type the newly registered type will 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3510
 *   derive from
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3511
 * @type_name: NULL-terminated string used as the name of the new type
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3512
 * @class_size: Size of the class structure.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3513
 * @base_init: Location of the base initialization function (optional).
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3514
 * @base_finalize: Location of the base finalization function (optional).
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3515
 * @class_init: Location of the class initialization function for class types 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3516
 *   Location of the default vtable inititalization function for interface 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3517
 *   types. (optional)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3518
 * @class_finalize: Location of the class finalization function for class types.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3519
 *   Location of the default vtable finalization function for interface types. 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3520
 *   (optional)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3521
 * @class_data: User-supplied data passed to the class init/finalize functions.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3522
 * @instance_size: Size of the instance (object) structure (required for 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3523
 *   instantiatable types only).
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3524
 * @n_preallocs: The number of pre-allocated (cached) instances to reserve 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3525
 *   memory for (0 indicates no caching). Ignored on recent GLib's.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3526
 * @instance_init: Location of the instance initialization function (optional, 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3527
 *   for instantiatable types only).
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3528
 * @value_table: A GTypeValueTable function table for generic handling of 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3529
 *   GValues of this type (usually only useful for fundamental types). 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3530
 * @flags: #GTypeFlags for this GType. E.g: G_TYPE_FLAG_ABSTRACT
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3531
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3532
 * Helper function which constructs a #GTypeInfo structure and registers a 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3533
 * GType, but which generates less linker overhead than a static const 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3534
 * #GTypeInfo structure. For further details of the parameters, please see
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3535
 * #GTypeInfo in the GLib documentation.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3536
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3537
 * Registers type_name as the name of a new static type derived from 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3538
 * parent_type. The value of flags determines the nature (e.g. abstract or 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3539
 * not) of the type. It works by filling a GTypeInfo struct and calling 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3540
 * g_type_info_register_static().
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3541
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3542
 * Returns: A #GType for the newly-registered type.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3543
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3544
 * Since: 0.10.14
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3545
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3546
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3547
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3548
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3549
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3550
GType
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3551
gst_type_register_static_full (GType parent_type,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3552
    const gchar * type_name,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3553
    guint class_size,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3554
    GBaseInitFunc base_init,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3555
    GBaseFinalizeFunc base_finalize,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3556
    GClassInitFunc class_init,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3557
    GClassFinalizeFunc class_finalize,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3558
    gconstpointer class_data,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3559
    guint instance_size,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3560
    guint16 n_preallocs,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3561
    GInstanceInitFunc instance_init,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3562
    const GTypeValueTable * value_table, GTypeFlags flags)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3563
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3564
  GTypeInfo info;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3565
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3566
  info.class_size = class_size;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3567
  info.base_init = base_init;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3568
  info.base_finalize = base_finalize;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3569
  info.class_init = class_init;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3570
  info.class_finalize = class_finalize;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3571
  info.class_data = class_data;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3572
  info.instance_size = instance_size;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3573
  info.n_preallocs = n_preallocs;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3574
  info.instance_init = instance_init;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3575
  info.value_table = value_table;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3576
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3577
  return g_type_register_static (parent_type, type_name, &info, flags);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3578
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3579
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3580
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3581
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3582
 * gst_util_get_timestamp:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3583
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3584
 * Get a timestamp as GstClockTime to be used for interval meassurements.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3585
 * The timestamp should not be interpreted in any other way.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3586
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3587
 * Returns: the timestamp
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3588
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3589
 * Since: 0.10.16
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3590
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3591
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3592
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3593
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3594
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3595
GstClockTime
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3596
gst_util_get_timestamp (void)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3597
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3598
#if defined (HAVE_POSIX_TIMERS) && defined(HAVE_MONOTONIC_CLOCK)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3599
  struct timespec now;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3600
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3601
  clock_gettime (CLOCK_MONOTONIC, &now);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3602
  return GST_TIMESPEC_TO_TIME (now);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3603
#else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3604
  GTimeVal now;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3605
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3606
  g_get_current_time (&now);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3607
  return GST_TIMEVAL_TO_TIME (now);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3608
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  3609
}