gstreamer_core/gst/gstmessage.c
author hgs
Fri, 30 Apr 2010 19:11:56 -0500
changeset 19 24ed0baaf8e5
parent 16 8e837d1bf446
child 30 7e817e7e631c
permissions -rw-r--r--
201017
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     1
/* GStreamer
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     2
 * Copyright (C) 2004 Wim Taymans <wim@fluendo.com>
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     3
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     4
 * gstmessage.c: GstMessage subsystem
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     5
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     6
 * This library is free software; you can redistribute it and/or
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     7
 * modify it under the terms of the GNU Library General Public
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     8
 * License as published by the Free Software Foundation; either
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
     9
 * version 2 of the License, or (at your option) any later version.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    10
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    11
 * This library is distributed in the hope that it will be useful,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    12
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    13
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    14
 * Library General Public License for more details.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    15
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    16
 * You should have received a copy of the GNU Library General Public
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    17
 * License along with this library; if not, write to the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    18
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    19
 * Boston, MA 02111-1307, USA.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    20
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    21
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    22
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    23
 * SECTION:gstmessage
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    24
 * @short_description: Lightweight objects to signal the application of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    25
 *                     pipeline events
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    26
 * @see_also: #GstBus, #GstMiniObject, #GstElement
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    27
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    28
 * Messages are implemented as a subclass of #GstMiniObject with a generic
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    29
 * #GstStructure as the content. This allows for writing custom messages without
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    30
 * requiring an API change while allowing a wide range of different types
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    31
 * of messages.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    32
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    33
 * Messages are posted by objects in the pipeline and are passed to the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    34
 * application using the #GstBus.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    35
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    36
 * The basic use pattern of posting a message on a #GstBus is as follows:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    37
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    38
 * <example>
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    39
 * <title>Posting a #GstMessage</title>
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    40
 *   <programlisting>
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    41
 *    gst_bus_post (bus, gst_message_new_eos());
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    42
 *   </programlisting>
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    43
 * </example>
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    44
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    45
 * A #GstElement usually posts messages on the bus provided by the parent
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    46
 * container using gst_element_post_message().
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    47
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    48
 * Last reviewed on 2005-11-09 (0.9.4)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    49
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    50
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    51
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    52
#include "gst_private.h"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    53
#include <string.h>             /* memcpy */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    54
#include "gsterror.h"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    55
#include "gstenumtypes.h"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    56
#include "gstinfo.h"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    57
#include "gstmessage.h"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    58
#include "gsttaglist.h"
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    59
#include "gstutils.h"
16
hgs
parents: 0
diff changeset
    60
#include "gstquark.h"
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    61
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    62
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    63
#include <glib_global.h>
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    64
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    65
16
hgs
parents: 0
diff changeset
    66
#define GST_MESSAGE_SEQNUM(e) ((GstMessage*)e)->abidata.ABI.seqnum
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    67
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    68
static void gst_message_finalize (GstMessage * message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    69
static GstMessage *_gst_message_copy (GstMessage * message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    70
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    71
static GstMiniObjectClass *parent_class = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    72
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    73
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    74
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    75
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    76
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    77
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    78
_gst_message_initialize (void)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    79
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    80
  GST_CAT_INFO (GST_CAT_GST_INIT, "init messages");
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    81
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    82
  /* the GstMiniObject types need to be class_ref'd once before it can be
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    83
   * done from multiple threads;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    84
   * see http://bugzilla.gnome.org/show_bug.cgi?id=304551 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    85
  g_type_class_ref (gst_message_get_type ());
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    86
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    87
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    88
typedef struct
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    89
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    90
  const gint type;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    91
  const gchar *name;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    92
  GQuark quark;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    93
} GstMessageQuarks;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    94
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    95
static GstMessageQuarks message_quarks[] = {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    96
  {GST_MESSAGE_UNKNOWN, "unknown", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    97
  {GST_MESSAGE_EOS, "eos", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    98
  {GST_MESSAGE_ERROR, "error", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
    99
  {GST_MESSAGE_WARNING, "warning", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   100
  {GST_MESSAGE_INFO, "info", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   101
  {GST_MESSAGE_TAG, "tag", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   102
  {GST_MESSAGE_BUFFERING, "buffering", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   103
  {GST_MESSAGE_STATE_CHANGED, "state-changed", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   104
  {GST_MESSAGE_STATE_DIRTY, "state-dirty", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   105
  {GST_MESSAGE_STEP_DONE, "step-done", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   106
  {GST_MESSAGE_CLOCK_PROVIDE, "clock-provide", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   107
  {GST_MESSAGE_CLOCK_LOST, "clock-lost", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   108
  {GST_MESSAGE_NEW_CLOCK, "new-clock", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   109
  {GST_MESSAGE_STRUCTURE_CHANGE, "structure-change", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   110
  {GST_MESSAGE_STREAM_STATUS, "stream-status", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   111
  {GST_MESSAGE_APPLICATION, "application", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   112
  {GST_MESSAGE_ELEMENT, "element", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   113
  {GST_MESSAGE_SEGMENT_START, "segment-start", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   114
  {GST_MESSAGE_SEGMENT_DONE, "segment-done", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   115
  {GST_MESSAGE_DURATION, "duration", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   116
  {GST_MESSAGE_LATENCY, "latency", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   117
  {GST_MESSAGE_ASYNC_START, "async-start", 0},
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   118
  {GST_MESSAGE_ASYNC_DONE, "async-done", 0},
16
hgs
parents: 0
diff changeset
   119
  {GST_MESSAGE_REQUEST_STATE, "request-state", 0},
hgs
parents: 0
diff changeset
   120
  {GST_MESSAGE_STEP_START, "step-start", 0},
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   121
  {0, NULL, 0}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   122
};
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   123
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   124
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   125
 * gst_message_type_get_name:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   126
 * @type: the message type
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   127
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   128
 * Get a printable name for the given message type. Do not modify or free.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   129
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   130
 * Returns: a reference to the static name of the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   131
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   132
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   133
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   134
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   135
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   136
const gchar *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   137
gst_message_type_get_name (GstMessageType type)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   138
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   139
  gint i;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   140
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   141
  for (i = 0; message_quarks[i].name; i++) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   142
    if (type == message_quarks[i].type)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   143
      return message_quarks[i].name;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   144
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   145
  return "unknown";
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   146
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   147
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   148
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   149
 * gst_message_type_to_quark:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   150
 * @type: the message type
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   151
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   152
 * Get the unique quark for the given message type.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   153
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   154
 * Returns: the quark associated with the message type
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   155
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   156
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   157
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   158
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   159
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   160
GQuark
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   161
gst_message_type_to_quark (GstMessageType type)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   162
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
  gint i;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   164
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   165
  for (i = 0; message_quarks[i].name; i++) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   166
    if (type == message_quarks[i].type)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   167
      return message_quarks[i].quark;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   168
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   169
  return 0;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   170
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   171
16
hgs
parents: 0
diff changeset
   172
#define _do_init \
hgs
parents: 0
diff changeset
   173
{ \
hgs
parents: 0
diff changeset
   174
  gint i; \
hgs
parents: 0
diff changeset
   175
  \
hgs
parents: 0
diff changeset
   176
  for (i = 0; message_quarks[i].name; i++) { \
hgs
parents: 0
diff changeset
   177
    message_quarks[i].quark = \
hgs
parents: 0
diff changeset
   178
        g_quark_from_static_string (message_quarks[i].name); \
hgs
parents: 0
diff changeset
   179
  } \
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   180
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   181
16
hgs
parents: 0
diff changeset
   182
G_DEFINE_TYPE_WITH_CODE (GstMessage, gst_message, GST_TYPE_MINI_OBJECT,
hgs
parents: 0
diff changeset
   183
    _do_init);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
16
hgs
parents: 0
diff changeset
   185
static void
hgs
parents: 0
diff changeset
   186
gst_message_class_init (GstMessageClass * klass)
hgs
parents: 0
diff changeset
   187
{
hgs
parents: 0
diff changeset
   188
  parent_class = g_type_class_peek_parent (klass);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
16
hgs
parents: 0
diff changeset
   190
  klass->mini_object_class.copy = (GstMiniObjectCopyFunction) _gst_message_copy;
hgs
parents: 0
diff changeset
   191
  klass->mini_object_class.finalize =
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
      (GstMiniObjectFinalizeFunction) gst_message_finalize;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
static void
16
hgs
parents: 0
diff changeset
   196
gst_message_init (GstMessage * message)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
  GST_CAT_LOG (GST_CAT_MESSAGE, "new message %p", message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
  GST_MESSAGE_TIMESTAMP (message) = GST_CLOCK_TIME_NONE;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
}
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
static void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
gst_message_finalize (GstMessage * message)
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
  g_return_if_fail (message != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
  GST_CAT_LOG (GST_CAT_MESSAGE, "finalize message %p", message);
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
  if (GST_MESSAGE_SRC (message)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
    gst_object_unref (GST_MESSAGE_SRC (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
    GST_MESSAGE_SRC (message) = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
  if (message->lock) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
    GST_MESSAGE_LOCK (message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
    GST_MESSAGE_SIGNAL (message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
    GST_MESSAGE_UNLOCK (message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
  if (message->structure) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
    gst_structure_set_parent_refcount (message->structure, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
    gst_structure_free (message->structure);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   223
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
16
hgs
parents: 0
diff changeset
   225
/*   GST_MINI_OBJECT_CLASS (parent_class)->finalize (GST_MINI_OBJECT (message)); */
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   227
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   228
static GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   229
_gst_message_copy (GstMessage * message)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   230
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   231
  GstMessage *copy;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   232
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   233
  GST_CAT_LOG (GST_CAT_MESSAGE, "copy message %p", message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   234
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   235
  copy = (GstMessage *) gst_mini_object_new (GST_TYPE_MESSAGE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   236
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   237
  /* FIXME, need to copy relevant data from the miniobject. */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   238
  //memcpy (copy, message, sizeof (GstMessage));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   239
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   240
  GST_MESSAGE_GET_LOCK (copy) = GST_MESSAGE_GET_LOCK (message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   241
  GST_MESSAGE_COND (copy) = GST_MESSAGE_COND (message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   242
  GST_MESSAGE_TYPE (copy) = GST_MESSAGE_TYPE (message);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   243
  GST_MESSAGE_TIMESTAMP (copy) = GST_MESSAGE_TIMESTAMP (message);
16
hgs
parents: 0
diff changeset
   244
  GST_MESSAGE_SEQNUM (copy) = GST_MESSAGE_SEQNUM (message);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   245
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   246
  if (GST_MESSAGE_SRC (message)) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   247
    GST_MESSAGE_SRC (copy) = gst_object_ref (GST_MESSAGE_SRC (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   248
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   249
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   250
  if (message->structure) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   251
    copy->structure = gst_structure_copy (message->structure);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   252
    gst_structure_set_parent_refcount (copy->structure,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   253
        &copy->mini_object.refcount);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   254
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   255
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   256
  return copy;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   257
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   258
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   259
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   260
 * gst_message_new_custom:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   261
 * @type: The #GstMessageType to distinguish messages
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   262
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   263
 * @structure: The structure for the message. The message will take ownership of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   264
 * the structure.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   265
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   266
 * Create a new custom-typed message. This can be used for anything not
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   267
 * handled by other message-specific functions to pass a message to the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   268
 * app. The structure field can be NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   269
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   270
 * Returns: The new message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   271
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   272
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   273
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   274
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   275
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   276
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   277
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   278
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   279
gst_message_new_custom (GstMessageType type, GstObject * src,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   280
    GstStructure * structure)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   281
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   282
  GstMessage *message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   283
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   284
  message = (GstMessage *) gst_mini_object_new (GST_TYPE_MESSAGE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   285
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   286
  GST_CAT_LOG (GST_CAT_MESSAGE, "source %s: creating new message %p %s",
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   287
      (src ? GST_OBJECT_NAME (src) : "NULL"), message,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   288
      gst_message_type_get_name (type));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   289
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   290
  message->type = type;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   291
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   292
  if (src)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   293
    gst_object_ref (src);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
  message->src = src;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   296
  if (structure) {
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   297
    gst_structure_set_parent_refcount (structure,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   298
        &message->mini_object.refcount);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   299
  }
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   300
  message->structure = structure;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
16
hgs
parents: 0
diff changeset
   302
  GST_MESSAGE_SEQNUM (message) = gst_util_seqnum_next ();
hgs
parents: 0
diff changeset
   303
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   304
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   305
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   306
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   307
/**
16
hgs
parents: 0
diff changeset
   308
 * gst_message_get_seqnum:
hgs
parents: 0
diff changeset
   309
 * @message: A #GstMessage.
hgs
parents: 0
diff changeset
   310
 *
hgs
parents: 0
diff changeset
   311
 * Retrieve the sequence number of a message.
hgs
parents: 0
diff changeset
   312
 *
hgs
parents: 0
diff changeset
   313
 * Messages have ever-incrementing sequence numbers, which may also be set
hgs
parents: 0
diff changeset
   314
 * explicitly via gst_message_set_seqnum(). Sequence numbers are typically used
hgs
parents: 0
diff changeset
   315
 * to indicate that a message corresponds to some other set of messages or
hgs
parents: 0
diff changeset
   316
 * events, for example a SEGMENT_DONE message corresponding to a SEEK event. It
hgs
parents: 0
diff changeset
   317
 * is considered good practice to make this correspondence when possible, though
hgs
parents: 0
diff changeset
   318
 * it is not required.
hgs
parents: 0
diff changeset
   319
 *
hgs
parents: 0
diff changeset
   320
 * Note that events and messages share the same sequence number incrementor;
hgs
parents: 0
diff changeset
   321
 * two events or messages will never not have the same sequence number unless
hgs
parents: 0
diff changeset
   322
 * that correspondence was made explicitly.
hgs
parents: 0
diff changeset
   323
 *
hgs
parents: 0
diff changeset
   324
 * Returns: The message's sequence number.
hgs
parents: 0
diff changeset
   325
 *
hgs
parents: 0
diff changeset
   326
 * MT safe.
hgs
parents: 0
diff changeset
   327
 *
hgs
parents: 0
diff changeset
   328
 * Since: 0.10.22
hgs
parents: 0
diff changeset
   329
 */
hgs
parents: 0
diff changeset
   330
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
   331
EXPORT_C
hgs
parents: 0
diff changeset
   332
#endif
hgs
parents: 0
diff changeset
   333
hgs
parents: 0
diff changeset
   334
guint32
hgs
parents: 0
diff changeset
   335
gst_message_get_seqnum (GstMessage * message)
hgs
parents: 0
diff changeset
   336
{
hgs
parents: 0
diff changeset
   337
  g_return_val_if_fail (GST_IS_MESSAGE (message), -1);
hgs
parents: 0
diff changeset
   338
hgs
parents: 0
diff changeset
   339
  return GST_MESSAGE_SEQNUM (message);
hgs
parents: 0
diff changeset
   340
}
hgs
parents: 0
diff changeset
   341
hgs
parents: 0
diff changeset
   342
/**
hgs
parents: 0
diff changeset
   343
 * gst_message_set_seqnum:
hgs
parents: 0
diff changeset
   344
 * @message: A #GstMessage.
hgs
parents: 0
diff changeset
   345
 * @seqnum: A sequence number.
hgs
parents: 0
diff changeset
   346
 *
hgs
parents: 0
diff changeset
   347
 * Set the sequence number of a message.
hgs
parents: 0
diff changeset
   348
 *
hgs
parents: 0
diff changeset
   349
 * This function might be called by the creator of a message to indicate that
hgs
parents: 0
diff changeset
   350
 * the message relates to other messages or events. See gst_message_get_seqnum()
hgs
parents: 0
diff changeset
   351
 * for more information.
hgs
parents: 0
diff changeset
   352
 *
hgs
parents: 0
diff changeset
   353
 * MT safe.
hgs
parents: 0
diff changeset
   354
 *
hgs
parents: 0
diff changeset
   355
 * Since: 0.10.22
hgs
parents: 0
diff changeset
   356
 */
hgs
parents: 0
diff changeset
   357
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
   358
EXPORT_C
hgs
parents: 0
diff changeset
   359
#endif
hgs
parents: 0
diff changeset
   360
hgs
parents: 0
diff changeset
   361
void
hgs
parents: 0
diff changeset
   362
gst_message_set_seqnum (GstMessage * message, guint32 seqnum)
hgs
parents: 0
diff changeset
   363
{
hgs
parents: 0
diff changeset
   364
  g_return_if_fail (GST_IS_MESSAGE (message));
hgs
parents: 0
diff changeset
   365
hgs
parents: 0
diff changeset
   366
  GST_MESSAGE_SEQNUM (message) = seqnum;
hgs
parents: 0
diff changeset
   367
}
hgs
parents: 0
diff changeset
   368
hgs
parents: 0
diff changeset
   369
/**
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
 * gst_message_new_eos:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
 * @src: The object originating the message.
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
 * Create a new eos message. This message is generated and posted in
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
 * the sink elements of a GstBin. The bin will only forward the EOS
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
 * message to the application if all sinks have posted an EOS message.
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
 * Returns: The new eos message.
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
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
gst_message_new_eos (GstObject * src)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
  GstMessage *message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
  message = gst_message_new_custom (GST_MESSAGE_EOS, src, NULL);
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
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
 * gst_message_new_error:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
 * @error: The GError for this message.
16
hgs
parents: 0
diff changeset
   399
 * @debug: A debugging string.
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
 * Create a new error message. The message will copy @error and
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
 * @debug. This message is posted by element when a fatal event
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
 * occured. The pipeline will probably (partially) stop. The application
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
 * receiving this message should stop the pipeline.
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
 * Returns: The new error message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
#endif
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
GstMessage *
16
hgs
parents: 0
diff changeset
   415
gst_message_new_error (GstObject * src, GError * error, const gchar * debug)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   418
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
16
hgs
parents: 0
diff changeset
   420
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_ERROR),
hgs
parents: 0
diff changeset
   421
      GST_QUARK (GERROR), GST_TYPE_G_ERROR, error,
hgs
parents: 0
diff changeset
   422
      GST_QUARK (DEBUG), G_TYPE_STRING, debug, NULL);
hgs
parents: 0
diff changeset
   423
  message = gst_message_new_custom (GST_MESSAGE_ERROR, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
 * gst_message_new_warning:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
 * @error: The GError for this message.
16
hgs
parents: 0
diff changeset
   432
 * @debug: A debugging string.
0
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
 * Create a new warning message. The message will make copies of @error and
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
 * @debug.
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
 * Returns: The new warning message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
GstMessage *
16
hgs
parents: 0
diff changeset
   446
gst_message_new_warning (GstObject * src, GError * error, const gchar * debug)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   449
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
16
hgs
parents: 0
diff changeset
   451
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_WARNING),
hgs
parents: 0
diff changeset
   452
      GST_QUARK (GERROR), GST_TYPE_G_ERROR, error,
hgs
parents: 0
diff changeset
   453
      GST_QUARK (DEBUG), G_TYPE_STRING, debug, NULL);
hgs
parents: 0
diff changeset
   454
  message = gst_message_new_custom (GST_MESSAGE_WARNING, src, structure);
0
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
  return message;
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
 * gst_message_new_info:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
 * @error: The GError for this message.
16
hgs
parents: 0
diff changeset
   463
 * @debug: A debugging string.
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
 * Create a new info message. The message will make copies of @error and
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
 * @debug.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
 *
16
hgs
parents: 0
diff changeset
   468
 * MT safe.
hgs
parents: 0
diff changeset
   469
 *
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
 * Returns: The new info message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
 * Since: 0.10.12
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
#endif
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
GstMessage *
16
hgs
parents: 0
diff changeset
   479
gst_message_new_info (GstObject * src, GError * error, const gchar * debug)
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   482
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
16
hgs
parents: 0
diff changeset
   484
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_INFO),
hgs
parents: 0
diff changeset
   485
      GST_QUARK (GERROR), GST_TYPE_G_ERROR, error,
hgs
parents: 0
diff changeset
   486
      GST_QUARK (DEBUG), G_TYPE_STRING, debug, NULL);
hgs
parents: 0
diff changeset
   487
  message = gst_message_new_custom (GST_MESSAGE_INFO, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
}
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
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
 * gst_message_new_tag:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
 * @tag_list: The tag list for the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
 * Create a new tag message. The message will take ownership of the tag list.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
 * The message is posted by elements that discovered a new taglist.
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
 * Returns: The new tag message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   506
#endif
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
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   509
gst_message_new_tag (GstObject * src, GstTagList * tag_list)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   510
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   511
  GstMessage *message;
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
  g_return_val_if_fail (GST_IS_STRUCTURE (tag_list), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   514
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   515
  message =
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   516
      gst_message_new_custom (GST_MESSAGE_TAG, src, (GstStructure *) tag_list);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   517
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   518
  return message;
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   521
/**
16
hgs
parents: 0
diff changeset
   522
 * gst_message_new_tag_full:
hgs
parents: 0
diff changeset
   523
 * @src: The object originating the message.
hgs
parents: 0
diff changeset
   524
 * @pad: The originating pad for the tag.
hgs
parents: 0
diff changeset
   525
 * @tag_list: The tag list for the message.
hgs
parents: 0
diff changeset
   526
 *
hgs
parents: 0
diff changeset
   527
 * Create a new tag message. The message will take ownership of the tag list.
hgs
parents: 0
diff changeset
   528
 * The message is posted by elements that discovered a new taglist.
hgs
parents: 0
diff changeset
   529
 *
hgs
parents: 0
diff changeset
   530
 * MT safe.
hgs
parents: 0
diff changeset
   531
 *
hgs
parents: 0
diff changeset
   532
 * Returns: The new tag message.
hgs
parents: 0
diff changeset
   533
 *
hgs
parents: 0
diff changeset
   534
 * Since: 0.10.24
hgs
parents: 0
diff changeset
   535
 */
hgs
parents: 0
diff changeset
   536
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
   537
EXPORT_C
hgs
parents: 0
diff changeset
   538
#endif
hgs
parents: 0
diff changeset
   539
hgs
parents: 0
diff changeset
   540
GstMessage *
hgs
parents: 0
diff changeset
   541
gst_message_new_tag_full (GstObject * src, GstPad * pad, GstTagList * tag_list)
hgs
parents: 0
diff changeset
   542
{
hgs
parents: 0
diff changeset
   543
  GstMessage *message;
hgs
parents: 0
diff changeset
   544
  GstStructure *s;
hgs
parents: 0
diff changeset
   545
hgs
parents: 0
diff changeset
   546
  g_return_val_if_fail (GST_IS_STRUCTURE (tag_list), NULL);
hgs
parents: 0
diff changeset
   547
  g_return_val_if_fail (pad == NULL || GST_IS_PAD (pad), NULL);
hgs
parents: 0
diff changeset
   548
hgs
parents: 0
diff changeset
   549
  s = (GstStructure *) tag_list;
hgs
parents: 0
diff changeset
   550
  if (pad)
hgs
parents: 0
diff changeset
   551
    gst_structure_set (s, "source-pad", GST_TYPE_PAD, pad, NULL);
hgs
parents: 0
diff changeset
   552
hgs
parents: 0
diff changeset
   553
  message = gst_message_new_custom (GST_MESSAGE_TAG, src, s);
hgs
parents: 0
diff changeset
   554
hgs
parents: 0
diff changeset
   555
  return message;
hgs
parents: 0
diff changeset
   556
}
hgs
parents: 0
diff changeset
   557
hgs
parents: 0
diff changeset
   558
/**
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   559
 * gst_message_new_buffering:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   560
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   561
 * @percent: The buffering percent
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   562
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   563
 * Create a new buffering message. This message can be posted by an element that
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   564
 * needs to buffer data before it can continue processing. @percent should be a
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   565
 * value between 0 and 100. A value of 100 means that the buffering completed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   566
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   567
 * When @percent is < 100 the application should PAUSE a PLAYING pipeline. When
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   568
 * @percent is 100, the application can set the pipeline (back) to PLAYING.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   569
 * The application must be prepared to receive BUFFERING messages in the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   570
 * PREROLLING state and may only set the pipeline to PLAYING after receiving a
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   571
 * message with @percent set to 100, which can happen after the pipeline
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   572
 * completed prerolling. 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   573
 *
16
hgs
parents: 0
diff changeset
   574
 * MT safe.
hgs
parents: 0
diff changeset
   575
 *
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   576
 * Returns: The new buffering message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   577
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   578
 * Since: 0.10.11
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   579
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   580
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   581
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   582
#endif
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
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   585
gst_message_new_buffering (GstObject * src, gint percent)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   586
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   587
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   588
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   589
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   590
  g_return_val_if_fail (percent >= 0 && percent <= 100, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   591
16
hgs
parents: 0
diff changeset
   592
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_BUFFERING),
hgs
parents: 0
diff changeset
   593
      GST_QUARK (BUFFER_PERCENT), G_TYPE_INT, percent,
hgs
parents: 0
diff changeset
   594
      GST_QUARK (BUFFERING_MODE), GST_TYPE_BUFFERING_MODE, GST_BUFFERING_STREAM,
hgs
parents: 0
diff changeset
   595
      GST_QUARK (AVG_IN_RATE), G_TYPE_INT, -1,
hgs
parents: 0
diff changeset
   596
      GST_QUARK (AVG_OUT_RATE), G_TYPE_INT, -1,
hgs
parents: 0
diff changeset
   597
      GST_QUARK (BUFFERING_LEFT), G_TYPE_INT64, G_GINT64_CONSTANT (-1),
hgs
parents: 0
diff changeset
   598
      GST_QUARK (ESTIMATED_TOTAL), G_TYPE_INT64, G_GINT64_CONSTANT (-1), NULL);
hgs
parents: 0
diff changeset
   599
  message = gst_message_new_custom (GST_MESSAGE_BUFFERING, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   600
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   601
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   602
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   603
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   604
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   605
 * gst_message_new_state_changed:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   606
 * @src: the object originating the message
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   607
 * @oldstate: the previous state
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   608
 * @newstate: the new (current) state
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   609
 * @pending: the pending (target) state
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
 * Create a state change message. This message is posted whenever an element
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   612
 * changed its state.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   613
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   614
 * Returns: The new state change message.
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
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   617
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   618
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   619
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   620
#endif
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
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   623
gst_message_new_state_changed (GstObject * src,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   624
    GstState oldstate, GstState newstate, GstState pending)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   625
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   626
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   627
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   628
16
hgs
parents: 0
diff changeset
   629
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_STATE),
hgs
parents: 0
diff changeset
   630
      GST_QUARK (OLD_STATE), GST_TYPE_STATE, (gint) oldstate,
hgs
parents: 0
diff changeset
   631
      GST_QUARK (NEW_STATE), GST_TYPE_STATE, (gint) newstate,
hgs
parents: 0
diff changeset
   632
      GST_QUARK (PENDING_STATE), GST_TYPE_STATE, (gint) pending, NULL);
hgs
parents: 0
diff changeset
   633
  message = gst_message_new_custom (GST_MESSAGE_STATE_CHANGED, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   634
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   635
  return message;
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   638
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   639
 * gst_message_new_state_dirty:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   640
 * @src: the object originating the message
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   641
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   642
 * Create a state dirty message. This message is posted whenever an element
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   643
 * changed its state asynchronously and is used internally to update the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   644
 * states of container objects.
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
 * Returns: The new state dirty message.
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
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   649
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   650
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   651
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   652
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   653
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   654
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   655
gst_message_new_state_dirty (GstObject * src)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   656
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   657
  GstMessage *message;
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
  message = gst_message_new_custom (GST_MESSAGE_STATE_DIRTY, src, NULL);
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
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   662
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   663
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   664
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   665
 * gst_message_new_clock_provide:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   666
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   667
 * @clock: The clock it provides
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   668
 * @ready: TRUE if the sender can provide a clock
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
 * Create a clock provide message. This message is posted whenever an
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   671
 * element is ready to provide a clock or lost its ability to provide
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   672
 * a clock (maybe because it paused or became EOS).
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
 * This message is mainly used internally to manage the clock
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   675
 * selection.
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
 * Returns: The new provide clock message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   678
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   679
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   680
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   681
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   682
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   683
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   684
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   685
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   686
gst_message_new_clock_provide (GstObject * src, GstClock * clock,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   687
    gboolean ready)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   688
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   689
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   690
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   691
16
hgs
parents: 0
diff changeset
   692
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_CLOCK_PROVIDE),
hgs
parents: 0
diff changeset
   693
      GST_QUARK (CLOCK), GST_TYPE_CLOCK, clock,
hgs
parents: 0
diff changeset
   694
      GST_QUARK (READY), G_TYPE_BOOLEAN, ready, NULL);
hgs
parents: 0
diff changeset
   695
  message = gst_message_new_custom (GST_MESSAGE_CLOCK_PROVIDE, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   696
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   697
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   698
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   699
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   700
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   701
 * gst_message_new_clock_lost:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   702
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   703
 * @clock: the clock that was lost
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   704
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   705
 * Create a clock lost message. This message is posted whenever the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   706
 * clock is not valid anymore.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   707
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   708
 * If this message is posted by the pipeline, the pipeline will
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   709
 * select a new clock again when it goes to PLAYING. It might therefore
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   710
 * be needed to set the pipeline to PAUSED and PLAYING again.
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
 * Returns: The new clock lost message.
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
 * MT safe.
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   717
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   718
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   719
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   720
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   721
gst_message_new_clock_lost (GstObject * src, GstClock * clock)
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
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   724
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   725
16
hgs
parents: 0
diff changeset
   726
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_CLOCK_LOST),
hgs
parents: 0
diff changeset
   727
      GST_QUARK (CLOCK), GST_TYPE_CLOCK, clock, NULL);
hgs
parents: 0
diff changeset
   728
  message = gst_message_new_custom (GST_MESSAGE_CLOCK_LOST, src, structure);
0
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
  return message;
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
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
 * gst_message_new_new_clock:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   735
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   736
 * @clock: the new selected clock
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
 * Create a new clock message. This message is posted whenever the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   739
 * pipeline selectes a new clock for the pipeline.
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
 * Returns: The new new clock message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   742
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   743
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   744
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   745
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   746
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   747
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   748
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   749
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   750
gst_message_new_new_clock (GstObject * src, GstClock * clock)
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
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   753
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   754
16
hgs
parents: 0
diff changeset
   755
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_NEW_CLOCK),
hgs
parents: 0
diff changeset
   756
      GST_QUARK (CLOCK), GST_TYPE_CLOCK, clock, NULL);
hgs
parents: 0
diff changeset
   757
  message = gst_message_new_custom (GST_MESSAGE_NEW_CLOCK, src, structure);
hgs
parents: 0
diff changeset
   758
hgs
parents: 0
diff changeset
   759
  return message;
hgs
parents: 0
diff changeset
   760
}
hgs
parents: 0
diff changeset
   761
hgs
parents: 0
diff changeset
   762
/**
hgs
parents: 0
diff changeset
   763
 * gst_message_new_structure_change:
hgs
parents: 0
diff changeset
   764
 * @src: The object originating the message.
hgs
parents: 0
diff changeset
   765
 * @type: The change type.
hgs
parents: 0
diff changeset
   766
 * @owner: The owner element of @src.
hgs
parents: 0
diff changeset
   767
 * @busy: Whether the structure change is busy.
hgs
parents: 0
diff changeset
   768
 *
hgs
parents: 0
diff changeset
   769
 * Create a new structure change message. This message is posted when the
hgs
parents: 0
diff changeset
   770
 * structure of a pipeline is in the process of being changed, for example
hgs
parents: 0
diff changeset
   771
 * when pads are linked or unlinked.
hgs
parents: 0
diff changeset
   772
 *
hgs
parents: 0
diff changeset
   773
 * @src should be the srcpad that unlinked or linked.
hgs
parents: 0
diff changeset
   774
 *
hgs
parents: 0
diff changeset
   775
 * Returns: The new structure change message.
hgs
parents: 0
diff changeset
   776
 *
hgs
parents: 0
diff changeset
   777
 * MT safe.
hgs
parents: 0
diff changeset
   778
 *
hgs
parents: 0
diff changeset
   779
 * Since: 0.10.22.
hgs
parents: 0
diff changeset
   780
 */
hgs
parents: 0
diff changeset
   781
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
   782
EXPORT_C
hgs
parents: 0
diff changeset
   783
#endif
hgs
parents: 0
diff changeset
   784
hgs
parents: 0
diff changeset
   785
GstMessage *
hgs
parents: 0
diff changeset
   786
gst_message_new_structure_change (GstObject * src, GstStructureChangeType type,
hgs
parents: 0
diff changeset
   787
    GstElement * owner, gboolean busy)
hgs
parents: 0
diff changeset
   788
{
hgs
parents: 0
diff changeset
   789
  GstMessage *message;
hgs
parents: 0
diff changeset
   790
  GstStructure *structure;
hgs
parents: 0
diff changeset
   791
hgs
parents: 0
diff changeset
   792
  g_return_val_if_fail (GST_IS_PAD (src), NULL);
hgs
parents: 0
diff changeset
   793
  g_return_val_if_fail (GST_PAD_DIRECTION (src) == GST_PAD_SRC, NULL);
hgs
parents: 0
diff changeset
   794
  g_return_val_if_fail (GST_IS_ELEMENT (owner), NULL);
hgs
parents: 0
diff changeset
   795
hgs
parents: 0
diff changeset
   796
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_STRUCTURE_CHANGE),
hgs
parents: 0
diff changeset
   797
      GST_QUARK (TYPE), GST_TYPE_STRUCTURE_CHANGE_TYPE, type,
hgs
parents: 0
diff changeset
   798
      GST_QUARK (OWNER), GST_TYPE_ELEMENT, owner,
hgs
parents: 0
diff changeset
   799
      GST_QUARK (BUSY), G_TYPE_BOOLEAN, busy, NULL);
hgs
parents: 0
diff changeset
   800
hgs
parents: 0
diff changeset
   801
  message = gst_message_new_custom (GST_MESSAGE_STRUCTURE_CHANGE, src,
hgs
parents: 0
diff changeset
   802
      structure);
0
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
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   805
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   806
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   807
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   808
 * gst_message_new_segment_start:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   809
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   810
 * @format: The format of the position being played
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   811
 * @position: The position of the segment being played
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   812
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   813
 * Create a new segment message. This message is posted by elements that
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   814
 * start playback of a segment as a result of a segment seek. This message
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   815
 * is not received by the application but is used for maintenance reasons in
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   816
 * container elements.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   817
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   818
 * Returns: The new segment start message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   819
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   820
 * MT safe.
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   823
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   824
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   825
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   826
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   827
gst_message_new_segment_start (GstObject * src, GstFormat format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   828
    gint64 position)
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
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   831
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   832
16
hgs
parents: 0
diff changeset
   833
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_SEGMENT_START),
hgs
parents: 0
diff changeset
   834
      GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
hgs
parents: 0
diff changeset
   835
      GST_QUARK (POSITION), G_TYPE_INT64, position, NULL);
hgs
parents: 0
diff changeset
   836
  message = gst_message_new_custom (GST_MESSAGE_SEGMENT_START, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   837
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   838
  return message;
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
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
 * gst_message_new_segment_done:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   843
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   844
 * @format: The format of the position being done
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   845
 * @position: The position of the segment being done
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   846
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   847
 * Create a new segment done message. This message is posted by elements that
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   848
 * finish playback of a segment as a result of a segment seek. This message
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   849
 * is received by the application after all elements that posted a segment_start
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   850
 * have posted the segment_done.
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
 * Returns: The new segment done message.
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
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   855
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   856
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   857
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   858
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   859
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   860
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   861
gst_message_new_segment_done (GstObject * src, GstFormat format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   862
    gint64 position)
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
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   865
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   866
16
hgs
parents: 0
diff changeset
   867
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_SEGMENT_DONE),
hgs
parents: 0
diff changeset
   868
      GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
hgs
parents: 0
diff changeset
   869
      GST_QUARK (POSITION), G_TYPE_INT64, position, NULL);
hgs
parents: 0
diff changeset
   870
  message = gst_message_new_custom (GST_MESSAGE_SEGMENT_DONE, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   871
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   872
  return message;
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
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
 * gst_message_new_application:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   877
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   878
 * @structure: The structure for the message. The message will take ownership of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   879
 * the structure.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   880
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   881
 * Create a new application-typed message. GStreamer will never create these
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   882
 * messages; they are a gift from us to you. Enjoy.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   883
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   884
 * Returns: The new application message.
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
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   887
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   888
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   889
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   890
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   891
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   892
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   893
gst_message_new_application (GstObject * src, GstStructure * structure)
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
  return gst_message_new_custom (GST_MESSAGE_APPLICATION, src, structure);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   896
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   897
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
 * gst_message_new_element:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   900
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   901
 * @structure: The structure for the message. The message will take ownership of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   902
 * the structure.
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
 * Create a new element-specific message. This is meant as a generic way of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   905
 * allowing one-way communication from an element to an application, for example
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   906
 * "the firewire cable was unplugged". The format of the message should be
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   907
 * documented in the element's documentation. The structure field can be NULL.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   908
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   909
 * Returns: The new element message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   910
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   911
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   912
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   913
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   914
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   915
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   916
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   917
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   918
gst_message_new_element (GstObject * src, GstStructure * structure)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   919
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   920
  return gst_message_new_custom (GST_MESSAGE_ELEMENT, src, structure);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   921
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   922
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
 * gst_message_new_duration:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   925
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   926
 * @format: The format of the duration
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   927
 * @duration: The new duration 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   928
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   929
 * Create a new duration message. This message is posted by elements that
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   930
 * know the duration of a stream in a specific format. This message
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   931
 * is received by bins and is used to calculate the total duration of a
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   932
 * pipeline. Elements may post a duration message with a duration of
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   933
 * GST_CLOCK_TIME_NONE to indicate that the duration has changed and the 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   934
 * cached duration should be discarded. The new duration can then be 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   935
 * retrieved via a query.
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
 * Returns: The new duration message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   938
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   939
 * MT safe.
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   942
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   943
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   944
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   945
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   946
gst_message_new_duration (GstObject * src, GstFormat format, gint64 duration)
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
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   949
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   950
16
hgs
parents: 0
diff changeset
   951
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_DURATION),
hgs
parents: 0
diff changeset
   952
      GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
hgs
parents: 0
diff changeset
   953
      GST_QUARK (DURATION), G_TYPE_INT64, duration, NULL);
hgs
parents: 0
diff changeset
   954
  message = gst_message_new_custom (GST_MESSAGE_DURATION, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   955
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   956
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   957
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   958
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   959
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   960
 * gst_message_new_async_start:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   961
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   962
 * @new_base_time: if a new base_time should be set on the element
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   963
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   964
 * This message is posted by elements when they start an ASYNC state change. 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   965
 * @new_base_time is set to TRUE when the element lost its state when it was
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   966
 * PLAYING.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   967
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   968
 * Returns: The new async_start message. 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   969
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   970
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   971
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   972
 * Since: 0.10.13
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   973
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   974
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   975
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   976
#endif
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
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   979
gst_message_new_async_start (GstObject * src, gboolean new_base_time)
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
  GstMessage *message;
16
hgs
parents: 0
diff changeset
   982
  GstStructure *structure;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   983
16
hgs
parents: 0
diff changeset
   984
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_ASYNC_START),
hgs
parents: 0
diff changeset
   985
      GST_QUARK (NEW_BASE_TIME), G_TYPE_BOOLEAN, new_base_time, NULL);
hgs
parents: 0
diff changeset
   986
  message = gst_message_new_custom (GST_MESSAGE_ASYNC_START, src, structure);
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   987
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   988
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   989
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   990
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   991
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   992
 * gst_message_new_async_done:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   993
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   994
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   995
 * The message is posted when elements completed an ASYNC state change.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   996
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   997
 * Returns: The new async_done message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   998
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   999
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1000
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1001
 * Since: 0.10.13
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1002
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1003
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1004
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1005
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1006
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1007
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1008
gst_message_new_async_done (GstObject * src)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1009
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1010
  GstMessage *message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1011
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1012
  message = gst_message_new_custom (GST_MESSAGE_ASYNC_DONE, src, NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1013
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1014
  return message;
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
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1018
 * gst_message_new_latency:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1019
 * @src: The object originating the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1020
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1021
 * This message can be posted by elements when their latency requirements have
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1022
 * changed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1023
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1024
 * Returns: The new latency message. 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1025
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1026
 * MT safe.
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
 * Since: 0.10.12
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1029
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1030
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1031
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1032
#endif
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
GstMessage *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1035
gst_message_new_latency (GstObject * src)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1036
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1037
  GstMessage *message;
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
  message = gst_message_new_custom (GST_MESSAGE_LATENCY, src, NULL);
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
  return message;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1042
}
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
/**
16
hgs
parents: 0
diff changeset
  1045
 * gst_message_new_request_state:
hgs
parents: 0
diff changeset
  1046
 * @src: The object originating the message.
hgs
parents: 0
diff changeset
  1047
 * @state: The new requested state
hgs
parents: 0
diff changeset
  1048
 *
hgs
parents: 0
diff changeset
  1049
 * This message can be posted by elements when they want to have their state
hgs
parents: 0
diff changeset
  1050
 * changed. A typical use case would be an audio server that wants to pause the
hgs
parents: 0
diff changeset
  1051
 * pipeline because a higher priority stream is being played.
hgs
parents: 0
diff changeset
  1052
 *
hgs
parents: 0
diff changeset
  1053
 * Returns: The new requst state message. 
hgs
parents: 0
diff changeset
  1054
 *
hgs
parents: 0
diff changeset
  1055
 * MT safe.
hgs
parents: 0
diff changeset
  1056
 *
hgs
parents: 0
diff changeset
  1057
 * Since: 0.10.23
hgs
parents: 0
diff changeset
  1058
 */
hgs
parents: 0
diff changeset
  1059
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1060
EXPORT_C
hgs
parents: 0
diff changeset
  1061
#endif
hgs
parents: 0
diff changeset
  1062
hgs
parents: 0
diff changeset
  1063
GstMessage *
hgs
parents: 0
diff changeset
  1064
gst_message_new_request_state (GstObject * src, GstState state)
hgs
parents: 0
diff changeset
  1065
{
hgs
parents: 0
diff changeset
  1066
  GstMessage *message;
hgs
parents: 0
diff changeset
  1067
  GstStructure *structure;
hgs
parents: 0
diff changeset
  1068
hgs
parents: 0
diff changeset
  1069
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_REQUEST_STATE),
hgs
parents: 0
diff changeset
  1070
      GST_QUARK (NEW_STATE), GST_TYPE_STATE, (gint) state, NULL);
hgs
parents: 0
diff changeset
  1071
  message = gst_message_new_custom (GST_MESSAGE_REQUEST_STATE, src, structure);
hgs
parents: 0
diff changeset
  1072
hgs
parents: 0
diff changeset
  1073
  return message;
hgs
parents: 0
diff changeset
  1074
}
hgs
parents: 0
diff changeset
  1075
hgs
parents: 0
diff changeset
  1076
/**
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1077
 * gst_message_get_structure:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1078
 * @message: The #GstMessage.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1079
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1080
 * Access the structure of the message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1081
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1082
 * Returns: The structure of the message. The structure is still
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1083
 * owned by the message, which means that you should not free it and
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1084
 * that the pointer becomes invalid when you free the message.
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
 * MT safe.
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1089
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1090
#endif
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
const GstStructure *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1093
gst_message_get_structure (GstMessage * message)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1094
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1095
  g_return_val_if_fail (GST_IS_MESSAGE (message), NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1096
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1097
  return message->structure;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1098
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1099
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1100
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1101
 * gst_message_parse_tag:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1102
 * @message: A valid #GstMessage of type GST_MESSAGE_TAG.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1103
 * @tag_list: Return location for the tag-list.
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
 * Extracts the tag list from the GstMessage. The tag list returned in the
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1106
 * output argument is a copy; the caller must free it when done.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1107
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1108
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1109
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1110
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1111
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1112
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1113
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1114
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1115
gst_message_parse_tag (GstMessage * message, GstTagList ** tag_list)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1116
{
16
hgs
parents: 0
diff changeset
  1117
  GstStructure *ret;
hgs
parents: 0
diff changeset
  1118
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1119
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1120
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_TAG);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1121
  g_return_if_fail (tag_list != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1122
16
hgs
parents: 0
diff changeset
  1123
  ret = gst_structure_copy (message->structure);
hgs
parents: 0
diff changeset
  1124
  gst_structure_remove_field (ret, "source-pad");
hgs
parents: 0
diff changeset
  1125
hgs
parents: 0
diff changeset
  1126
  *tag_list = (GstTagList *) ret;
hgs
parents: 0
diff changeset
  1127
}
hgs
parents: 0
diff changeset
  1128
hgs
parents: 0
diff changeset
  1129
/**
hgs
parents: 0
diff changeset
  1130
 * gst_message_parse_tag_full:
hgs
parents: 0
diff changeset
  1131
 * @message: A valid #GstMessage of type GST_MESSAGE_TAG.
hgs
parents: 0
diff changeset
  1132
 * @pad: Location where the originating pad is stored, unref after usage
hgs
parents: 0
diff changeset
  1133
 * @tag_list: Return location for the tag-list.
hgs
parents: 0
diff changeset
  1134
 *
hgs
parents: 0
diff changeset
  1135
 * Extracts the tag list from the GstMessage. The tag list returned in the
hgs
parents: 0
diff changeset
  1136
 * output argument is a copy; the caller must free it when done.
hgs
parents: 0
diff changeset
  1137
 *
hgs
parents: 0
diff changeset
  1138
 * MT safe.
hgs
parents: 0
diff changeset
  1139
 *
hgs
parents: 0
diff changeset
  1140
 * Since: 0.10.24
hgs
parents: 0
diff changeset
  1141
 */
hgs
parents: 0
diff changeset
  1142
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1143
EXPORT_C
hgs
parents: 0
diff changeset
  1144
#endif
hgs
parents: 0
diff changeset
  1145
hgs
parents: 0
diff changeset
  1146
void
hgs
parents: 0
diff changeset
  1147
gst_message_parse_tag_full (GstMessage * message, GstPad ** pad,
hgs
parents: 0
diff changeset
  1148
    GstTagList ** tag_list)
hgs
parents: 0
diff changeset
  1149
{
hgs
parents: 0
diff changeset
  1150
  GstStructure *ret;
hgs
parents: 0
diff changeset
  1151
hgs
parents: 0
diff changeset
  1152
  g_return_if_fail (GST_IS_MESSAGE (message));
hgs
parents: 0
diff changeset
  1153
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_TAG);
hgs
parents: 0
diff changeset
  1154
  g_return_if_fail (tag_list != NULL);
hgs
parents: 0
diff changeset
  1155
hgs
parents: 0
diff changeset
  1156
  ret = gst_structure_copy (message->structure);
hgs
parents: 0
diff changeset
  1157
hgs
parents: 0
diff changeset
  1158
  if (gst_structure_has_field (ret, "source-pad") && pad) {
hgs
parents: 0
diff changeset
  1159
    const GValue *v;
hgs
parents: 0
diff changeset
  1160
hgs
parents: 0
diff changeset
  1161
    v = gst_structure_get_value (ret, "source-pad");
hgs
parents: 0
diff changeset
  1162
    if (v && G_VALUE_HOLDS (v, GST_TYPE_PAD))
hgs
parents: 0
diff changeset
  1163
      *pad = (GstPad*)g_value_dup_object (v);
hgs
parents: 0
diff changeset
  1164
    else
hgs
parents: 0
diff changeset
  1165
      *pad = NULL;
hgs
parents: 0
diff changeset
  1166
  } else if (pad) {
hgs
parents: 0
diff changeset
  1167
    *pad = NULL;
hgs
parents: 0
diff changeset
  1168
  }
hgs
parents: 0
diff changeset
  1169
  gst_structure_remove_field (ret, "source-pad");
hgs
parents: 0
diff changeset
  1170
hgs
parents: 0
diff changeset
  1171
  *tag_list = (GstTagList *) ret;
0
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
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1175
 * gst_message_parse_buffering:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1176
 * @message: A valid #GstMessage of type GST_MESSAGE_BUFFERING.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1177
 * @percent: Return location for the percent.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1178
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1179
 * Extracts the buffering percent from the GstMessage. see also
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1180
 * gst_message_new_buffering().
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1181
 *
16
hgs
parents: 0
diff changeset
  1182
 * MT safe.
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1183
 *
16
hgs
parents: 0
diff changeset
  1184
 * Since: 0.10.11
0
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1187
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1188
#endif
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
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1191
gst_message_parse_buffering (GstMessage * message, gint * percent)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1192
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1193
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1194
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_BUFFERING);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1195
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1196
  if (percent)
16
hgs
parents: 0
diff changeset
  1197
    *percent = g_value_get_int (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1198
            GST_QUARK (BUFFER_PERCENT)));
hgs
parents: 0
diff changeset
  1199
}
hgs
parents: 0
diff changeset
  1200
hgs
parents: 0
diff changeset
  1201
/**
hgs
parents: 0
diff changeset
  1202
 * gst_message_set_buffering_stats:
hgs
parents: 0
diff changeset
  1203
 * @message: A valid #GstMessage of type GST_MESSAGE_BUFFERING.
hgs
parents: 0
diff changeset
  1204
 * @mode: a buffering mode 
hgs
parents: 0
diff changeset
  1205
 * @avg_in: the average input rate
hgs
parents: 0
diff changeset
  1206
 * @avg_out: the average output rate
hgs
parents: 0
diff changeset
  1207
 * @buffering_left: amount of buffering time left in milliseconds
hgs
parents: 0
diff changeset
  1208
 *
hgs
parents: 0
diff changeset
  1209
 * Configures the buffering stats values in @message.
hgs
parents: 0
diff changeset
  1210
 *
hgs
parents: 0
diff changeset
  1211
 * Since: 0.10.20
hgs
parents: 0
diff changeset
  1212
 */
hgs
parents: 0
diff changeset
  1213
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1214
EXPORT_C
hgs
parents: 0
diff changeset
  1215
#endif
hgs
parents: 0
diff changeset
  1216
hgs
parents: 0
diff changeset
  1217
void
hgs
parents: 0
diff changeset
  1218
gst_message_set_buffering_stats (GstMessage * message, GstBufferingMode mode,
hgs
parents: 0
diff changeset
  1219
    gint avg_in, gint avg_out, gint64 buffering_left)
hgs
parents: 0
diff changeset
  1220
{
hgs
parents: 0
diff changeset
  1221
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_BUFFERING);
hgs
parents: 0
diff changeset
  1222
hgs
parents: 0
diff changeset
  1223
  gst_structure_id_set (message->structure,
hgs
parents: 0
diff changeset
  1224
      GST_QUARK (BUFFERING_MODE), GST_TYPE_BUFFERING_MODE, mode,
hgs
parents: 0
diff changeset
  1225
      GST_QUARK (AVG_IN_RATE), G_TYPE_INT, avg_in,
hgs
parents: 0
diff changeset
  1226
      GST_QUARK (AVG_OUT_RATE), G_TYPE_INT, avg_out,
hgs
parents: 0
diff changeset
  1227
      GST_QUARK (BUFFERING_LEFT), G_TYPE_INT64, buffering_left, NULL);
hgs
parents: 0
diff changeset
  1228
}
hgs
parents: 0
diff changeset
  1229
hgs
parents: 0
diff changeset
  1230
/**
hgs
parents: 0
diff changeset
  1231
 * gst_message_parse_buffering_stats:
hgs
parents: 0
diff changeset
  1232
 * @message: A valid #GstMessage of type GST_MESSAGE_BUFFERING.
hgs
parents: 0
diff changeset
  1233
 * @mode: a buffering mode 
hgs
parents: 0
diff changeset
  1234
 * @avg_in: the average input rate
hgs
parents: 0
diff changeset
  1235
 * @avg_out: the average output rate
hgs
parents: 0
diff changeset
  1236
 * @buffering_left: amount of buffering time left in milliseconds.
hgs
parents: 0
diff changeset
  1237
 *
hgs
parents: 0
diff changeset
  1238
 * Extracts the buffering stats values from @message.
hgs
parents: 0
diff changeset
  1239
 *
hgs
parents: 0
diff changeset
  1240
 * Since: 0.10.20
hgs
parents: 0
diff changeset
  1241
 */
hgs
parents: 0
diff changeset
  1242
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1243
EXPORT_C
hgs
parents: 0
diff changeset
  1244
#endif
hgs
parents: 0
diff changeset
  1245
hgs
parents: 0
diff changeset
  1246
void
hgs
parents: 0
diff changeset
  1247
gst_message_parse_buffering_stats (GstMessage * message,
hgs
parents: 0
diff changeset
  1248
    GstBufferingMode * mode, gint * avg_in, gint * avg_out,
hgs
parents: 0
diff changeset
  1249
    gint64 * buffering_left)
hgs
parents: 0
diff changeset
  1250
{
hgs
parents: 0
diff changeset
  1251
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_BUFFERING);
hgs
parents: 0
diff changeset
  1252
hgs
parents: 0
diff changeset
  1253
  if (mode)
hgs
parents: 0
diff changeset
  1254
    *mode = g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1255
            GST_QUARK (BUFFERING_MODE)));
hgs
parents: 0
diff changeset
  1256
  if (avg_in)
hgs
parents: 0
diff changeset
  1257
    *avg_in = g_value_get_int (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1258
            GST_QUARK (AVG_IN_RATE)));
hgs
parents: 0
diff changeset
  1259
  if (avg_out)
hgs
parents: 0
diff changeset
  1260
    *avg_out = g_value_get_int (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1261
            GST_QUARK (AVG_OUT_RATE)));
hgs
parents: 0
diff changeset
  1262
  if (buffering_left)
hgs
parents: 0
diff changeset
  1263
    *buffering_left =
hgs
parents: 0
diff changeset
  1264
        g_value_get_int64 (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1265
            GST_QUARK (BUFFERING_LEFT)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1266
}
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
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1269
 * gst_message_parse_state_changed:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1270
 * @message: a valid #GstMessage of type GST_MESSAGE_STATE_CHANGED
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1271
 * @oldstate: the previous state, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1272
 * @newstate: the new (current) state, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1273
 * @pending: the pending (target) state, or NULL
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
 * Extracts the old and new states from the GstMessage.
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
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1278
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1279
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1280
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1281
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1282
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1283
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1284
gst_message_parse_state_changed (GstMessage * message,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1285
    GstState * oldstate, GstState * newstate, GstState * pending)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1286
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1287
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1288
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STATE_CHANGED);
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 (oldstate)
16
hgs
parents: 0
diff changeset
  1291
    *oldstate =
hgs
parents: 0
diff changeset
  1292
        g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1293
            GST_QUARK (OLD_STATE)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1294
  if (newstate)
16
hgs
parents: 0
diff changeset
  1295
    *newstate =
hgs
parents: 0
diff changeset
  1296
        g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1297
            GST_QUARK (NEW_STATE)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1298
  if (pending)
16
hgs
parents: 0
diff changeset
  1299
    *pending = g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1300
            GST_QUARK (PENDING_STATE)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1301
}
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
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1304
 * gst_message_parse_clock_provide:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1305
 * @message: A valid #GstMessage of type GST_MESSAGE_CLOCK_PROVIDE.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1306
 * @clock: A pointer to  hold a clock object.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1307
 * @ready: A pointer to hold the ready flag.
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
 * Extracts the clock and ready flag from the GstMessage.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1310
 * The clock object returned remains valid until the message is freed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1311
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1312
 * MT safe.
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1315
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1316
#endif
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
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1319
gst_message_parse_clock_provide (GstMessage * message, GstClock ** clock,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1320
    gboolean * ready)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1321
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1322
  const GValue *clock_gvalue;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1323
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1324
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1325
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_CLOCK_PROVIDE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1326
16
hgs
parents: 0
diff changeset
  1327
  clock_gvalue =
hgs
parents: 0
diff changeset
  1328
      gst_structure_id_get_value (message->structure, GST_QUARK (CLOCK));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1329
  g_return_if_fail (clock_gvalue != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1330
  g_return_if_fail (G_VALUE_TYPE (clock_gvalue) == GST_TYPE_CLOCK);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1331
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1332
  if (ready)
16
hgs
parents: 0
diff changeset
  1333
    *ready =
hgs
parents: 0
diff changeset
  1334
        g_value_get_boolean (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1335
            GST_QUARK (READY)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1336
  if (clock)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1337
    *clock = (GstClock *) g_value_get_object (clock_gvalue);
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
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1341
 * gst_message_parse_clock_lost:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1342
 * @message: A valid #GstMessage of type GST_MESSAGE_CLOCK_LOST.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1343
 * @clock: A pointer to hold the lost clock
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1344
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1345
 * Extracts the lost clock from the GstMessage.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1346
 * The clock object returned remains valid until the message is freed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1347
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1348
 * MT safe.
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1351
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1352
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1353
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1354
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1355
gst_message_parse_clock_lost (GstMessage * message, GstClock ** clock)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1356
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1357
  const GValue *clock_gvalue;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1358
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1359
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1360
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_CLOCK_LOST);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1361
16
hgs
parents: 0
diff changeset
  1362
  clock_gvalue =
hgs
parents: 0
diff changeset
  1363
      gst_structure_id_get_value (message->structure, GST_QUARK (CLOCK));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1364
  g_return_if_fail (clock_gvalue != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1365
  g_return_if_fail (G_VALUE_TYPE (clock_gvalue) == GST_TYPE_CLOCK);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1366
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1367
  if (clock)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1368
    *clock = (GstClock *) g_value_get_object (clock_gvalue);
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1371
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1372
 * gst_message_parse_new_clock:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1373
 * @message: A valid #GstMessage of type GST_MESSAGE_NEW_CLOCK.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1374
 * @clock: A pointer to hold the selected new clock
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
 * Extracts the new clock from the GstMessage.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1377
 * The clock object returned remains valid until the message is freed.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1378
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1379
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1380
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1381
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1382
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1383
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1384
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1385
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1386
gst_message_parse_new_clock (GstMessage * message, GstClock ** clock)
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
  const GValue *clock_gvalue;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1389
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1390
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1391
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_NEW_CLOCK);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1392
16
hgs
parents: 0
diff changeset
  1393
  clock_gvalue =
hgs
parents: 0
diff changeset
  1394
      gst_structure_id_get_value (message->structure, GST_QUARK (CLOCK));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1395
  g_return_if_fail (clock_gvalue != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1396
  g_return_if_fail (G_VALUE_TYPE (clock_gvalue) == GST_TYPE_CLOCK);
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
  if (clock)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1399
    *clock = (GstClock *) g_value_get_object (clock_gvalue);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1400
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1401
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1402
/**
16
hgs
parents: 0
diff changeset
  1403
 * gst_message_parse_structure_change:
hgs
parents: 0
diff changeset
  1404
 * @message: A valid #GstMessage of type GST_MESSAGE_STRUCTURE_CHANGE.
hgs
parents: 0
diff changeset
  1405
 * @type: A pointer to hold the change type
hgs
parents: 0
diff changeset
  1406
 * @owner: The owner element of the message source
hgs
parents: 0
diff changeset
  1407
 * @busy: A pointer to hold whether the change is in progress or has been
hgs
parents: 0
diff changeset
  1408
 * completed
hgs
parents: 0
diff changeset
  1409
 *
hgs
parents: 0
diff changeset
  1410
 * Extracts the change type and completion status from the GstMessage.
hgs
parents: 0
diff changeset
  1411
 *
hgs
parents: 0
diff changeset
  1412
 * MT safe.
hgs
parents: 0
diff changeset
  1413
 *
hgs
parents: 0
diff changeset
  1414
 * Since: 0.10.22
hgs
parents: 0
diff changeset
  1415
 */
hgs
parents: 0
diff changeset
  1416
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1417
EXPORT_C
hgs
parents: 0
diff changeset
  1418
#endif
hgs
parents: 0
diff changeset
  1419
hgs
parents: 0
diff changeset
  1420
void
hgs
parents: 0
diff changeset
  1421
gst_message_parse_structure_change (GstMessage * message,
hgs
parents: 0
diff changeset
  1422
    GstStructureChangeType * type, GstElement ** owner, gboolean * busy)
hgs
parents: 0
diff changeset
  1423
{
hgs
parents: 0
diff changeset
  1424
  const GValue *owner_gvalue;
hgs
parents: 0
diff changeset
  1425
hgs
parents: 0
diff changeset
  1426
  g_return_if_fail (GST_IS_MESSAGE (message));
hgs
parents: 0
diff changeset
  1427
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STRUCTURE_CHANGE);
hgs
parents: 0
diff changeset
  1428
hgs
parents: 0
diff changeset
  1429
  owner_gvalue =
hgs
parents: 0
diff changeset
  1430
      gst_structure_id_get_value (message->structure, GST_QUARK (OWNER));
hgs
parents: 0
diff changeset
  1431
  g_return_if_fail (owner_gvalue != NULL);
hgs
parents: 0
diff changeset
  1432
  g_return_if_fail (G_VALUE_TYPE (owner_gvalue) == GST_TYPE_ELEMENT);
hgs
parents: 0
diff changeset
  1433
hgs
parents: 0
diff changeset
  1434
  if (type)
hgs
parents: 0
diff changeset
  1435
    *type = g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1436
            GST_QUARK (TYPE)));
hgs
parents: 0
diff changeset
  1437
  if (owner)
hgs
parents: 0
diff changeset
  1438
    *owner = (GstElement *) g_value_get_object (owner_gvalue);
hgs
parents: 0
diff changeset
  1439
  if (busy)
hgs
parents: 0
diff changeset
  1440
    *busy =
hgs
parents: 0
diff changeset
  1441
        g_value_get_boolean (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1442
            GST_QUARK (BUSY)));
hgs
parents: 0
diff changeset
  1443
}
hgs
parents: 0
diff changeset
  1444
hgs
parents: 0
diff changeset
  1445
/**
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1446
 * gst_message_parse_error:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1447
 * @message: A valid #GstMessage of type GST_MESSAGE_ERROR.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1448
 * @gerror: Location for the GError
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1449
 * @debug: Location for the debug message, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1450
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1451
 * Extracts the GError and debug string from the GstMessage. The values returned
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1452
 * in the output arguments are copies; the caller must free them when done.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1453
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1454
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1455
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1456
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1457
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1458
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1459
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1460
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1461
gst_message_parse_error (GstMessage * message, GError ** gerror, gchar ** debug)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1462
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1463
  const GValue *error_gvalue;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1464
  GError *error_val;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1465
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1466
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1467
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ERROR);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1468
16
hgs
parents: 0
diff changeset
  1469
  error_gvalue =
hgs
parents: 0
diff changeset
  1470
      gst_structure_id_get_value (message->structure, GST_QUARK (GERROR));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1471
  g_return_if_fail (error_gvalue != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1472
  g_return_if_fail (G_VALUE_TYPE (error_gvalue) == GST_TYPE_G_ERROR);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1473
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1474
  error_val = (GError *) g_value_get_boxed (error_gvalue);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1475
  if (error_val)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1476
    *gerror = g_error_copy (error_val);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1477
  else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1478
    *gerror = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1479
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1480
  if (debug)
16
hgs
parents: 0
diff changeset
  1481
    *debug =
hgs
parents: 0
diff changeset
  1482
        g_value_dup_string (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1483
            GST_QUARK (DEBUG)));
0
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1486
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1487
 * gst_message_parse_warning:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1488
 * @message: A valid #GstMessage of type GST_MESSAGE_WARNING.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1489
 * @gerror: Location for the GError
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1490
 * @debug: Location for the debug message, or NULL
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
 * Extracts the GError and debug string from the GstMessage. The values returned
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1493
 * in the output arguments are copies; the caller must free them when done.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1494
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1495
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1496
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1497
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1498
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1499
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1500
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1501
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1502
gst_message_parse_warning (GstMessage * message, GError ** gerror,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1503
    gchar ** debug)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1504
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1505
  const GValue *error_gvalue;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1506
  GError *error_val;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1507
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1508
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1509
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_WARNING);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1510
16
hgs
parents: 0
diff changeset
  1511
  error_gvalue =
hgs
parents: 0
diff changeset
  1512
      gst_structure_id_get_value (message->structure, GST_QUARK (GERROR));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1513
  g_return_if_fail (error_gvalue != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1514
  g_return_if_fail (G_VALUE_TYPE (error_gvalue) == GST_TYPE_G_ERROR);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1515
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1516
  error_val = (GError *) g_value_get_boxed (error_gvalue);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1517
  if (error_val)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1518
    *gerror = g_error_copy (error_val);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1519
  else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1520
    *gerror = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1521
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1522
  if (debug)
16
hgs
parents: 0
diff changeset
  1523
    *debug =
hgs
parents: 0
diff changeset
  1524
        g_value_dup_string (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1525
            GST_QUARK (DEBUG)));
0
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1528
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1529
 * gst_message_parse_info:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1530
 * @message: A valid #GstMessage of type GST_MESSAGE_INFO.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1531
 * @gerror: Location for the GError
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1532
 * @debug: Location for the debug message, or NULL
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
 * Extracts the GError and debug string from the GstMessage. The values returned
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1535
 * in the output arguments are copies; the caller must free them when done.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1536
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1537
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1538
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1539
 * Since: 0.10.12
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1540
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1541
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1542
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1543
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1544
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1545
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1546
gst_message_parse_info (GstMessage * message, GError ** gerror, gchar ** debug)
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
  const GValue *error_gvalue;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1549
  GError *error_val;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1550
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1551
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1552
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_INFO);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1553
16
hgs
parents: 0
diff changeset
  1554
  error_gvalue =
hgs
parents: 0
diff changeset
  1555
      gst_structure_id_get_value (message->structure, GST_QUARK (GERROR));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1556
  g_return_if_fail (error_gvalue != NULL);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1557
  g_return_if_fail (G_VALUE_TYPE (error_gvalue) == GST_TYPE_G_ERROR);
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
  error_val = (GError *) g_value_get_boxed (error_gvalue);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1560
  if (error_val)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1561
    *gerror = g_error_copy (error_val);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1562
  else
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1563
    *gerror = NULL;
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1564
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1565
  if (debug)
16
hgs
parents: 0
diff changeset
  1566
    *debug =
hgs
parents: 0
diff changeset
  1567
        g_value_dup_string (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1568
            GST_QUARK (DEBUG)));
0
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1571
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1572
 * gst_message_parse_segment_start:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1573
 * @message: A valid #GstMessage of type GST_MESSAGE_SEGMENT_START.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1574
 * @format: Result location for the format, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1575
 * @position: Result location for the position, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1576
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1577
 * Extracts the position and format from the segment start message.
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
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1580
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1581
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1582
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1583
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1584
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1585
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1586
gst_message_parse_segment_start (GstMessage * message, GstFormat * format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1587
    gint64 * position)
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
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1590
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_SEGMENT_START);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1591
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1592
  if (format)
16
hgs
parents: 0
diff changeset
  1593
    *format =
hgs
parents: 0
diff changeset
  1594
        g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1595
            GST_QUARK (FORMAT)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1596
  if (position)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1597
    *position =
16
hgs
parents: 0
diff changeset
  1598
        g_value_get_int64 (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1599
            GST_QUARK (POSITION)));
0
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1602
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1603
 * gst_message_parse_segment_done:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1604
 * @message: A valid #GstMessage of type GST_MESSAGE_SEGMENT_DONE.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1605
 * @format: Result location for the format, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1606
 * @position: Result location for the position, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1607
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1608
 * Extracts the position and format from the segment start message.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1609
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1610
 * MT safe.
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1613
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1614
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1615
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1616
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1617
gst_message_parse_segment_done (GstMessage * message, GstFormat * format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1618
    gint64 * position)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1619
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1620
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1621
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_SEGMENT_DONE);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1622
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1623
  if (format)
16
hgs
parents: 0
diff changeset
  1624
    *format =
hgs
parents: 0
diff changeset
  1625
        g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1626
            GST_QUARK (FORMAT)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1627
  if (position)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1628
    *position =
16
hgs
parents: 0
diff changeset
  1629
        g_value_get_int64 (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1630
            GST_QUARK (POSITION)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1631
}
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1632
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1633
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1634
 * gst_message_parse_duration:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1635
 * @message: A valid #GstMessage of type GST_MESSAGE_DURATION.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1636
 * @format: Result location for the format, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1637
 * @duration: Result location for the duration, or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1638
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1639
 * Extracts the duration and format from the duration message. The duration
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1640
 * might be GST_CLOCK_TIME_NONE, which indicates that the duration has
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1641
 * changed. Applications should always use a query to retrieve the duration
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1642
 * of a pipeline.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1643
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1644
 * MT safe.
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
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1647
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1648
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1649
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1650
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1651
gst_message_parse_duration (GstMessage * message, GstFormat * format,
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1652
    gint64 * duration)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1653
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1654
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1655
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_DURATION);
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
  if (format)
16
hgs
parents: 0
diff changeset
  1658
    *format =
hgs
parents: 0
diff changeset
  1659
        g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1660
            GST_QUARK (FORMAT)));
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1661
  if (duration)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1662
    *duration =
16
hgs
parents: 0
diff changeset
  1663
        g_value_get_int64 (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1664
            GST_QUARK (DURATION)));
0
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
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1667
/**
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1668
 * gst_message_parse_async_start:
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1669
 * @message: A valid #GstMessage of type GST_MESSAGE_ASYNC_DONE.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1670
 * @new_base_time: Result location for the new_base_time or NULL
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1671
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1672
 * Extract the new_base_time from the async_start message. 
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1673
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1674
 * MT safe.
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1675
 *
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1676
 * Since: 0.10.13
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1677
 */
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1678
#ifdef __SYMBIAN32__
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1679
EXPORT_C
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1680
#endif
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1681
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1682
void
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1683
gst_message_parse_async_start (GstMessage * message, gboolean * new_base_time)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1684
{
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1685
  g_return_if_fail (GST_IS_MESSAGE (message));
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1686
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_ASYNC_START);
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1687
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1688
  if (new_base_time)
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1689
    *new_base_time =
16
hgs
parents: 0
diff changeset
  1690
        g_value_get_boolean (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1691
            GST_QUARK (NEW_BASE_TIME)));
hgs
parents: 0
diff changeset
  1692
}
hgs
parents: 0
diff changeset
  1693
hgs
parents: 0
diff changeset
  1694
/**
hgs
parents: 0
diff changeset
  1695
 * gst_message_parse_request_state:
hgs
parents: 0
diff changeset
  1696
 * @message: A valid #GstMessage of type GST_MESSAGE_REQUEST_STATE.
hgs
parents: 0
diff changeset
  1697
 * @state: Result location for the requested state or NULL
hgs
parents: 0
diff changeset
  1698
 *
hgs
parents: 0
diff changeset
  1699
 * Extract the requested state from the request_state message.
hgs
parents: 0
diff changeset
  1700
 *
hgs
parents: 0
diff changeset
  1701
 * MT safe.
hgs
parents: 0
diff changeset
  1702
 *
hgs
parents: 0
diff changeset
  1703
 * Since: 0.10.23
hgs
parents: 0
diff changeset
  1704
 */
hgs
parents: 0
diff changeset
  1705
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1706
EXPORT_C
hgs
parents: 0
diff changeset
  1707
#endif
hgs
parents: 0
diff changeset
  1708
hgs
parents: 0
diff changeset
  1709
void
hgs
parents: 0
diff changeset
  1710
gst_message_parse_request_state (GstMessage * message, GstState * state)
hgs
parents: 0
diff changeset
  1711
{
hgs
parents: 0
diff changeset
  1712
  g_return_if_fail (GST_IS_MESSAGE (message));
hgs
parents: 0
diff changeset
  1713
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_REQUEST_STATE);
hgs
parents: 0
diff changeset
  1714
hgs
parents: 0
diff changeset
  1715
  if (state)
hgs
parents: 0
diff changeset
  1716
    *state = g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1717
            GST_QUARK (NEW_STATE)));
hgs
parents: 0
diff changeset
  1718
}
hgs
parents: 0
diff changeset
  1719
hgs
parents: 0
diff changeset
  1720
/**
hgs
parents: 0
diff changeset
  1721
 * gst_message_new_stream_status:
hgs
parents: 0
diff changeset
  1722
 * @src: The object originating the message.
hgs
parents: 0
diff changeset
  1723
 * @type: The stream status type.
hgs
parents: 0
diff changeset
  1724
 * @owner: The owner element of @src.
hgs
parents: 0
diff changeset
  1725
 *
hgs
parents: 0
diff changeset
  1726
 * Create a new stream status message. This message is posted when a streaming
hgs
parents: 0
diff changeset
  1727
 * thread is created/destroyed or when the state changed.
hgs
parents: 0
diff changeset
  1728
 * 
hgs
parents: 0
diff changeset
  1729
 * Returns: The new stream status message.
hgs
parents: 0
diff changeset
  1730
 *
hgs
parents: 0
diff changeset
  1731
 * MT safe.
hgs
parents: 0
diff changeset
  1732
 *
hgs
parents: 0
diff changeset
  1733
 * Since: 0.10.24.
hgs
parents: 0
diff changeset
  1734
 */
hgs
parents: 0
diff changeset
  1735
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1736
EXPORT_C
hgs
parents: 0
diff changeset
  1737
#endif
hgs
parents: 0
diff changeset
  1738
hgs
parents: 0
diff changeset
  1739
GstMessage *
hgs
parents: 0
diff changeset
  1740
gst_message_new_stream_status (GstObject * src, GstStreamStatusType type,
hgs
parents: 0
diff changeset
  1741
    GstElement * owner)
hgs
parents: 0
diff changeset
  1742
{
hgs
parents: 0
diff changeset
  1743
  GstMessage *message;
hgs
parents: 0
diff changeset
  1744
  GstStructure *structure;
hgs
parents: 0
diff changeset
  1745
hgs
parents: 0
diff changeset
  1746
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_STREAM_STATUS),
hgs
parents: 0
diff changeset
  1747
      GST_QUARK (TYPE), GST_TYPE_STREAM_STATUS_TYPE, (gint) type,
hgs
parents: 0
diff changeset
  1748
      GST_QUARK (OWNER), GST_TYPE_ELEMENT, owner, NULL);
hgs
parents: 0
diff changeset
  1749
  message = gst_message_new_custom (GST_MESSAGE_STREAM_STATUS, src, structure);
hgs
parents: 0
diff changeset
  1750
hgs
parents: 0
diff changeset
  1751
  return message;
hgs
parents: 0
diff changeset
  1752
}
hgs
parents: 0
diff changeset
  1753
hgs
parents: 0
diff changeset
  1754
/**
hgs
parents: 0
diff changeset
  1755
 * gst_message_parse_stream_status:
hgs
parents: 0
diff changeset
  1756
 * @message: A valid #GstMessage of type GST_MESSAGE_STREAM_STATUS.
hgs
parents: 0
diff changeset
  1757
 * @type: A pointer to hold the status type
hgs
parents: 0
diff changeset
  1758
 * @owner: The owner element of the message source
hgs
parents: 0
diff changeset
  1759
 *
hgs
parents: 0
diff changeset
  1760
 * Extracts the stream status type and owner the GstMessage. The returned
hgs
parents: 0
diff changeset
  1761
 * owner remains valid for as long as the reference to @message is valid and
hgs
parents: 0
diff changeset
  1762
 * should thus not be unreffed.
hgs
parents: 0
diff changeset
  1763
 *
hgs
parents: 0
diff changeset
  1764
 * MT safe.
hgs
parents: 0
diff changeset
  1765
 *
hgs
parents: 0
diff changeset
  1766
 * Since: 0.10.24.
hgs
parents: 0
diff changeset
  1767
 */
hgs
parents: 0
diff changeset
  1768
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1769
EXPORT_C
hgs
parents: 0
diff changeset
  1770
#endif
hgs
parents: 0
diff changeset
  1771
hgs
parents: 0
diff changeset
  1772
void
hgs
parents: 0
diff changeset
  1773
gst_message_parse_stream_status (GstMessage * message,
hgs
parents: 0
diff changeset
  1774
    GstStreamStatusType * type, GstElement ** owner)
hgs
parents: 0
diff changeset
  1775
{
hgs
parents: 0
diff changeset
  1776
  const GValue *owner_gvalue;
hgs
parents: 0
diff changeset
  1777
hgs
parents: 0
diff changeset
  1778
  g_return_if_fail (GST_IS_MESSAGE (message));
hgs
parents: 0
diff changeset
  1779
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS);
hgs
parents: 0
diff changeset
  1780
hgs
parents: 0
diff changeset
  1781
  owner_gvalue =
hgs
parents: 0
diff changeset
  1782
      gst_structure_id_get_value (message->structure, GST_QUARK (OWNER));
hgs
parents: 0
diff changeset
  1783
  g_return_if_fail (owner_gvalue != NULL);
hgs
parents: 0
diff changeset
  1784
hgs
parents: 0
diff changeset
  1785
  if (type)
hgs
parents: 0
diff changeset
  1786
    *type = g_value_get_enum (gst_structure_id_get_value (message->structure,
hgs
parents: 0
diff changeset
  1787
            GST_QUARK (TYPE)));
hgs
parents: 0
diff changeset
  1788
  if (owner)
hgs
parents: 0
diff changeset
  1789
    *owner = (GstElement *) g_value_get_object (owner_gvalue);
hgs
parents: 0
diff changeset
  1790
}
hgs
parents: 0
diff changeset
  1791
hgs
parents: 0
diff changeset
  1792
/**
hgs
parents: 0
diff changeset
  1793
 * gst_message_set_stream_status_object:
hgs
parents: 0
diff changeset
  1794
 * @message: A valid #GstMessage of type GST_MESSAGE_STREAM_STATUS.
hgs
parents: 0
diff changeset
  1795
 * @object: the object controlling the streaming
hgs
parents: 0
diff changeset
  1796
 *
hgs
parents: 0
diff changeset
  1797
 * Configures the object handling the streaming thread. This is usually a
hgs
parents: 0
diff changeset
  1798
 * GstTask object but other objects might be added in the future.
hgs
parents: 0
diff changeset
  1799
 *
hgs
parents: 0
diff changeset
  1800
 * Since: 0.10.24
hgs
parents: 0
diff changeset
  1801
 */
hgs
parents: 0
diff changeset
  1802
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1803
EXPORT_C
hgs
parents: 0
diff changeset
  1804
#endif
hgs
parents: 0
diff changeset
  1805
hgs
parents: 0
diff changeset
  1806
void
hgs
parents: 0
diff changeset
  1807
gst_message_set_stream_status_object (GstMessage * message,
hgs
parents: 0
diff changeset
  1808
    const GValue * object)
hgs
parents: 0
diff changeset
  1809
{
hgs
parents: 0
diff changeset
  1810
  g_return_if_fail (GST_IS_MESSAGE (message));
hgs
parents: 0
diff changeset
  1811
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS);
hgs
parents: 0
diff changeset
  1812
hgs
parents: 0
diff changeset
  1813
  gst_structure_id_set_value (message->structure, GST_QUARK (OBJECT), object);
hgs
parents: 0
diff changeset
  1814
}
hgs
parents: 0
diff changeset
  1815
hgs
parents: 0
diff changeset
  1816
/**
hgs
parents: 0
diff changeset
  1817
 * gst_message_get_stream_status_object:
hgs
parents: 0
diff changeset
  1818
 * @message: A valid #GstMessage of type GST_MESSAGE_STREAM_STATUS.
hgs
parents: 0
diff changeset
  1819
 *
hgs
parents: 0
diff changeset
  1820
 * Extracts the object managing the streaming thread from @message.
hgs
parents: 0
diff changeset
  1821
 *
hgs
parents: 0
diff changeset
  1822
 * Returns: a GValue containing the object that manages the streaming thread.
hgs
parents: 0
diff changeset
  1823
 * This object is usually of type GstTask but other types can be added in the
hgs
parents: 0
diff changeset
  1824
 * future. The object remains valid as long as @message is valid.
hgs
parents: 0
diff changeset
  1825
 *
hgs
parents: 0
diff changeset
  1826
 * Since: 0.10.24
hgs
parents: 0
diff changeset
  1827
 */
hgs
parents: 0
diff changeset
  1828
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1829
EXPORT_C
hgs
parents: 0
diff changeset
  1830
#endif
hgs
parents: 0
diff changeset
  1831
hgs
parents: 0
diff changeset
  1832
const GValue *
hgs
parents: 0
diff changeset
  1833
gst_message_get_stream_status_object (GstMessage * message)
hgs
parents: 0
diff changeset
  1834
{
hgs
parents: 0
diff changeset
  1835
  const GValue *result;
hgs
parents: 0
diff changeset
  1836
hgs
parents: 0
diff changeset
  1837
  g_return_val_if_fail (GST_IS_MESSAGE (message), NULL);
hgs
parents: 0
diff changeset
  1838
  g_return_val_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STREAM_STATUS,
hgs
parents: 0
diff changeset
  1839
      NULL);
hgs
parents: 0
diff changeset
  1840
hgs
parents: 0
diff changeset
  1841
  result = gst_structure_id_get_value (message->structure, GST_QUARK (OBJECT));
hgs
parents: 0
diff changeset
  1842
hgs
parents: 0
diff changeset
  1843
  return result;
0
0e761a78d257 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
  1844
}
16
hgs
parents: 0
diff changeset
  1845
hgs
parents: 0
diff changeset
  1846
/**
hgs
parents: 0
diff changeset
  1847
 * gst_message_new_step_done:
hgs
parents: 0
diff changeset
  1848
 * @src: The object originating the message.
hgs
parents: 0
diff changeset
  1849
 * @format: the format of @amount
hgs
parents: 0
diff changeset
  1850
 * @amount: the amount of stepped data
hgs
parents: 0
diff changeset
  1851
 * @rate: the rate of the stepped amount
hgs
parents: 0
diff changeset
  1852
 * @flush: is this an flushing step
hgs
parents: 0
diff changeset
  1853
 * @intermediate: is this an intermediate step
hgs
parents: 0
diff changeset
  1854
 * @duration: the duration of the data
hgs
parents: 0
diff changeset
  1855
 * @eos: the step caused EOS
hgs
parents: 0
diff changeset
  1856
 *
hgs
parents: 0
diff changeset
  1857
 * This message is posted by elements when they complete a part, when @intermediate set
hgs
parents: 0
diff changeset
  1858
 * to TRUE, or a complete step operation.
hgs
parents: 0
diff changeset
  1859
 *
hgs
parents: 0
diff changeset
  1860
 * @duration will contain the amount of time (in GST_FORMAT_TIME) of the stepped
hgs
parents: 0
diff changeset
  1861
 * @amount of media in format @format.
hgs
parents: 0
diff changeset
  1862
 *
hgs
parents: 0
diff changeset
  1863
 * Returns: The new step_done message. 
hgs
parents: 0
diff changeset
  1864
 *
hgs
parents: 0
diff changeset
  1865
 * MT safe.
hgs
parents: 0
diff changeset
  1866
 *
hgs
parents: 0
diff changeset
  1867
 * Since: 0.10.24
hgs
parents: 0
diff changeset
  1868
 */
hgs
parents: 0
diff changeset
  1869
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1870
EXPORT_C
hgs
parents: 0
diff changeset
  1871
#endif
hgs
parents: 0
diff changeset
  1872
hgs
parents: 0
diff changeset
  1873
GstMessage *
hgs
parents: 0
diff changeset
  1874
gst_message_new_step_done (GstObject * src, GstFormat format, guint64 amount,
hgs
parents: 0
diff changeset
  1875
    gdouble rate, gboolean flush, gboolean intermediate, guint64 duration,
hgs
parents: 0
diff changeset
  1876
    gboolean eos)
hgs
parents: 0
diff changeset
  1877
{
hgs
parents: 0
diff changeset
  1878
  GstMessage *message;
hgs
parents: 0
diff changeset
  1879
  GstStructure *structure;
hgs
parents: 0
diff changeset
  1880
hgs
parents: 0
diff changeset
  1881
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_STEP_DONE),
hgs
parents: 0
diff changeset
  1882
      GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
hgs
parents: 0
diff changeset
  1883
      GST_QUARK (AMOUNT), G_TYPE_UINT64, amount,
hgs
parents: 0
diff changeset
  1884
      GST_QUARK (RATE), G_TYPE_DOUBLE, rate,
hgs
parents: 0
diff changeset
  1885
      GST_QUARK (FLUSH), G_TYPE_BOOLEAN, flush,
hgs
parents: 0
diff changeset
  1886
      GST_QUARK (INTERMEDIATE), G_TYPE_BOOLEAN, intermediate,
hgs
parents: 0
diff changeset
  1887
      GST_QUARK (DURATION), G_TYPE_UINT64, duration,
hgs
parents: 0
diff changeset
  1888
      GST_QUARK (EOS), G_TYPE_BOOLEAN, eos, NULL);
hgs
parents: 0
diff changeset
  1889
  message = gst_message_new_custom (GST_MESSAGE_STEP_DONE, src, structure);
hgs
parents: 0
diff changeset
  1890
hgs
parents: 0
diff changeset
  1891
  return message;
hgs
parents: 0
diff changeset
  1892
}
hgs
parents: 0
diff changeset
  1893
hgs
parents: 0
diff changeset
  1894
/**
hgs
parents: 0
diff changeset
  1895
 * gst_message_parse_step_done:
hgs
parents: 0
diff changeset
  1896
 * @message: A valid #GstMessage of type GST_MESSAGE_STEP_DONE.
hgs
parents: 0
diff changeset
  1897
 * @format: result location for the format
hgs
parents: 0
diff changeset
  1898
 * @amount: result location for the amount
hgs
parents: 0
diff changeset
  1899
 * @rate: result location for the rate
hgs
parents: 0
diff changeset
  1900
 * @flush: result location for the flush flag
hgs
parents: 0
diff changeset
  1901
 * @intermediate: result location for the intermediate flag
hgs
parents: 0
diff changeset
  1902
 * @duration: result location for the duration
hgs
parents: 0
diff changeset
  1903
 * @eos: result location for the EOS flag
hgs
parents: 0
diff changeset
  1904
 *
hgs
parents: 0
diff changeset
  1905
 * Extract the values the step_done message.
hgs
parents: 0
diff changeset
  1906
 *
hgs
parents: 0
diff changeset
  1907
 * MT safe.
hgs
parents: 0
diff changeset
  1908
 *
hgs
parents: 0
diff changeset
  1909
 * Since: 0.10.24
hgs
parents: 0
diff changeset
  1910
 */
hgs
parents: 0
diff changeset
  1911
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1912
EXPORT_C
hgs
parents: 0
diff changeset
  1913
#endif
hgs
parents: 0
diff changeset
  1914
hgs
parents: 0
diff changeset
  1915
void
hgs
parents: 0
diff changeset
  1916
gst_message_parse_step_done (GstMessage * message, GstFormat * format,
hgs
parents: 0
diff changeset
  1917
    guint64 * amount, gdouble * rate, gboolean * flush, gboolean * intermediate,
hgs
parents: 0
diff changeset
  1918
    guint64 * duration, gboolean * eos)
hgs
parents: 0
diff changeset
  1919
{
hgs
parents: 0
diff changeset
  1920
  g_return_if_fail (GST_IS_MESSAGE (message));
hgs
parents: 0
diff changeset
  1921
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STEP_DONE);
hgs
parents: 0
diff changeset
  1922
hgs
parents: 0
diff changeset
  1923
  gst_structure_id_get (message->structure,
hgs
parents: 0
diff changeset
  1924
      GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
hgs
parents: 0
diff changeset
  1925
      GST_QUARK (AMOUNT), G_TYPE_UINT64, amount,
hgs
parents: 0
diff changeset
  1926
      GST_QUARK (RATE), G_TYPE_DOUBLE, rate,
hgs
parents: 0
diff changeset
  1927
      GST_QUARK (FLUSH), G_TYPE_BOOLEAN, flush,
hgs
parents: 0
diff changeset
  1928
      GST_QUARK (INTERMEDIATE), G_TYPE_BOOLEAN, intermediate,
hgs
parents: 0
diff changeset
  1929
      GST_QUARK (DURATION), G_TYPE_UINT64, duration,
hgs
parents: 0
diff changeset
  1930
      GST_QUARK (EOS), G_TYPE_BOOLEAN, eos, NULL);
hgs
parents: 0
diff changeset
  1931
}
hgs
parents: 0
diff changeset
  1932
hgs
parents: 0
diff changeset
  1933
/**
hgs
parents: 0
diff changeset
  1934
 * gst_message_new_step_start:
hgs
parents: 0
diff changeset
  1935
 * @src: The object originating the message.
hgs
parents: 0
diff changeset
  1936
 * @active: if the step is active or queued
hgs
parents: 0
diff changeset
  1937
 * @format: the format of @amount
hgs
parents: 0
diff changeset
  1938
 * @amount: the amount of stepped data
hgs
parents: 0
diff changeset
  1939
 * @rate: the rate of the stepped amount
hgs
parents: 0
diff changeset
  1940
 * @flush: is this an flushing step
hgs
parents: 0
diff changeset
  1941
 * @intermediate: is this an intermediate step
hgs
parents: 0
diff changeset
  1942
 *
hgs
parents: 0
diff changeset
  1943
 * This message is posted by elements when they accept or activate a new step
hgs
parents: 0
diff changeset
  1944
 * event for @amount in @format. 
hgs
parents: 0
diff changeset
  1945
 *
hgs
parents: 0
diff changeset
  1946
 * @active is set to FALSE when the element accepted the new step event and has
hgs
parents: 0
diff changeset
  1947
 * queued it for execution in the streaming threads.
hgs
parents: 0
diff changeset
  1948
 *
hgs
parents: 0
diff changeset
  1949
 * @active is set to TRUE when the element has activated the step operation and
hgs
parents: 0
diff changeset
  1950
 * is now ready to start executing the step in the streaming thread. After this
hgs
parents: 0
diff changeset
  1951
 * message is emited, the application can queue a new step operation in the
hgs
parents: 0
diff changeset
  1952
 * element.
hgs
parents: 0
diff changeset
  1953
 *
hgs
parents: 0
diff changeset
  1954
 * Returns: The new step_start message. 
hgs
parents: 0
diff changeset
  1955
 *
hgs
parents: 0
diff changeset
  1956
 * MT safe.
hgs
parents: 0
diff changeset
  1957
 *
hgs
parents: 0
diff changeset
  1958
 * Since: 0.10.24
hgs
parents: 0
diff changeset
  1959
 */
hgs
parents: 0
diff changeset
  1960
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  1961
EXPORT_C
hgs
parents: 0
diff changeset
  1962
#endif
hgs
parents: 0
diff changeset
  1963
hgs
parents: 0
diff changeset
  1964
GstMessage *
hgs
parents: 0
diff changeset
  1965
gst_message_new_step_start (GstObject * src, gboolean active, GstFormat format,
hgs
parents: 0
diff changeset
  1966
    guint64 amount, gdouble rate, gboolean flush, gboolean intermediate)
hgs
parents: 0
diff changeset
  1967
{
hgs
parents: 0
diff changeset
  1968
  GstMessage *message;
hgs
parents: 0
diff changeset
  1969
  GstStructure *structure;
hgs
parents: 0
diff changeset
  1970
hgs
parents: 0
diff changeset
  1971
  structure = gst_structure_id_new (GST_QUARK (MESSAGE_STEP_START),
hgs
parents: 0
diff changeset
  1972
      GST_QUARK (ACTIVE), G_TYPE_BOOLEAN, active,
hgs
parents: 0
diff changeset
  1973
      GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
hgs
parents: 0
diff changeset
  1974
      GST_QUARK (AMOUNT), G_TYPE_UINT64, amount,
hgs
parents: 0
diff changeset
  1975
      GST_QUARK (RATE), G_TYPE_DOUBLE, rate,
hgs
parents: 0
diff changeset
  1976
      GST_QUARK (FLUSH), G_TYPE_BOOLEAN, flush,
hgs
parents: 0
diff changeset
  1977
      GST_QUARK (INTERMEDIATE), G_TYPE_BOOLEAN, intermediate, NULL);
hgs
parents: 0
diff changeset
  1978
  message = gst_message_new_custom (GST_MESSAGE_STEP_START, src, structure);
hgs
parents: 0
diff changeset
  1979
hgs
parents: 0
diff changeset
  1980
  return message;
hgs
parents: 0
diff changeset
  1981
}
hgs
parents: 0
diff changeset
  1982
hgs
parents: 0
diff changeset
  1983
/**
hgs
parents: 0
diff changeset
  1984
 * gst_message_parse_step_start:
hgs
parents: 0
diff changeset
  1985
 * @message: A valid #GstMessage of type GST_MESSAGE_STEP_DONE.
hgs
parents: 0
diff changeset
  1986
 * @active: result location for the active flag
hgs
parents: 0
diff changeset
  1987
 * @format: result location for the format
hgs
parents: 0
diff changeset
  1988
 * @amount: result location for the amount
hgs
parents: 0
diff changeset
  1989
 * @rate: result location for the rate
hgs
parents: 0
diff changeset
  1990
 * @flush: result location for the flush flag
hgs
parents: 0
diff changeset
  1991
 * @intermediate: result location for the intermediate flag
hgs
parents: 0
diff changeset
  1992
 *
hgs
parents: 0
diff changeset
  1993
 * Extract the values from step_start message.
hgs
parents: 0
diff changeset
  1994
 *
hgs
parents: 0
diff changeset
  1995
 * MT safe.
hgs
parents: 0
diff changeset
  1996
 *
hgs
parents: 0
diff changeset
  1997
 * Since: 0.10.24
hgs
parents: 0
diff changeset
  1998
 */
hgs
parents: 0
diff changeset
  1999
#ifdef __SYMBIAN32__
hgs
parents: 0
diff changeset
  2000
EXPORT_C
hgs
parents: 0
diff changeset
  2001
#endif
hgs
parents: 0
diff changeset
  2002
hgs
parents: 0
diff changeset
  2003
void
hgs
parents: 0
diff changeset
  2004
gst_message_parse_step_start (GstMessage * message, gboolean * active,
hgs
parents: 0
diff changeset
  2005
    GstFormat * format, guint64 * amount, gdouble * rate, gboolean * flush,
hgs
parents: 0
diff changeset
  2006
    gboolean * intermediate)
hgs
parents: 0
diff changeset
  2007
{
hgs
parents: 0
diff changeset
  2008
  g_return_if_fail (GST_IS_MESSAGE (message));
hgs
parents: 0
diff changeset
  2009
  g_return_if_fail (GST_MESSAGE_TYPE (message) == GST_MESSAGE_STEP_START);
hgs
parents: 0
diff changeset
  2010
hgs
parents: 0
diff changeset
  2011
  gst_structure_id_get (message->structure,
hgs
parents: 0
diff changeset
  2012
      GST_QUARK (ACTIVE), G_TYPE_BOOLEAN, active,
hgs
parents: 0
diff changeset
  2013
      GST_QUARK (FORMAT), GST_TYPE_FORMAT, format,
hgs
parents: 0
diff changeset
  2014
      GST_QUARK (AMOUNT), G_TYPE_UINT64, amount,
hgs
parents: 0
diff changeset
  2015
      GST_QUARK (RATE), G_TYPE_DOUBLE, rate,
hgs
parents: 0
diff changeset
  2016
      GST_QUARK (FLUSH), G_TYPE_BOOLEAN, flush,
hgs
parents: 0
diff changeset
  2017
      GST_QUARK (INTERMEDIATE), G_TYPE_BOOLEAN, intermediate, NULL);
hgs
parents: 0
diff changeset
  2018
}