author | hgs |
Fri, 14 May 2010 18:43:44 -0500 | |
changeset 20 | 7e3786c5ed27 |
parent 16 | 8e837d1bf446 |
child 30 | 7e817e7e631c |
permissions | -rw-r--r-- |
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/* GStreamer |
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* Copyright (C) 2005 David Schleef <ds@schleef.org> |
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* |
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* gstminiobject.h: Header for GstMiniObject |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public |
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* License along with this library; if not, write to the |
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
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* Boston, MA 02111-1307, USA. |
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*/ |
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/** |
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* SECTION:gstminiobject |
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* @short_description: Lightweight base class for the GStreamer object hierarchy |
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* |
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* #GstMiniObject is a baseclass like #GObject, but has been stripped down of |
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* features to be fast and small. |
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* It offers sub-classing and ref-counting in the same way as #GObject does. |
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* It has no properties and no signal-support though. |
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* |
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* Last reviewed on 2005-11-23 (0.9.5) |
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*/ |
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#ifdef HAVE_CONFIG_H |
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#include "config.h" |
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#endif |
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|
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#include "gst/gst_private.h" |
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#include "gst/gstminiobject.h" |
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#include "gst/gstinfo.h" |
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#include <gobject/gvaluecollector.h> |
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#ifdef __SYMBIAN32__ |
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#include <glib_global.h> |
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#endif |
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#ifndef GST_DISABLE_TRACE |
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#include "gsttrace.h" |
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static GstAllocTrace *_gst_mini_object_trace; |
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#endif |
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#define DEBUG_REFCOUNT |
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#if 0 |
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static void gst_mini_object_base_init (gpointer g_class); |
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static void gst_mini_object_base_finalize (gpointer g_class); |
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#endif |
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static void gst_mini_object_class_init (gpointer g_class, gpointer class_data); |
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static void gst_mini_object_init (GTypeInstance * instance, gpointer klass); |
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static void gst_value_mini_object_init (GValue * value); |
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static void gst_value_mini_object_free (GValue * value); |
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static void gst_value_mini_object_copy (const GValue * src_value, |
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GValue * dest_value); |
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static gpointer gst_value_mini_object_peek_pointer (const GValue * value); |
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static gchar *gst_value_mini_object_collect (GValue * value, |
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guint n_collect_values, GTypeCValue * collect_values, guint collect_flags); |
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static gchar *gst_value_mini_object_lcopy (const GValue * value, |
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guint n_collect_values, GTypeCValue * collect_values, guint collect_flags); |
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static GstMiniObject *gst_mini_object_copy_default (const GstMiniObject * obj); |
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static void gst_mini_object_finalize (GstMiniObject * obj); |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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GType |
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gst_mini_object_get_type (void) |
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{ |
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static GType _gst_mini_object_type = 0; |
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if (G_UNLIKELY (_gst_mini_object_type == 0)) { |
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GTypeValueTable value_table = { |
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gst_value_mini_object_init, |
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gst_value_mini_object_free, |
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gst_value_mini_object_copy, |
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gst_value_mini_object_peek_pointer, |
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"p", |
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gst_value_mini_object_collect, |
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"p", |
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gst_value_mini_object_lcopy |
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}; |
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GTypeInfo mini_object_info = { |
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sizeof (GstMiniObjectClass), |
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#if 0 |
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gst_mini_object_base_init, |
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gst_mini_object_base_finalize, |
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#else |
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NULL, NULL, |
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#endif |
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gst_mini_object_class_init, |
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NULL, |
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NULL, |
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sizeof (GstMiniObject), |
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0, |
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(GInstanceInitFunc) gst_mini_object_init, |
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NULL |
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105 |
}; |
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static const GTypeFundamentalInfo mini_object_fundamental_info = { |
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(G_TYPE_FLAG_CLASSED | G_TYPE_FLAG_INSTANTIATABLE | |
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G_TYPE_FLAG_DERIVABLE | G_TYPE_FLAG_DEEP_DERIVABLE) |
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109 |
}; |
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110 |
|
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mini_object_info.value_table = &value_table; |
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112 |
|
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_gst_mini_object_type = g_type_fundamental_next (); |
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g_type_register_fundamental (_gst_mini_object_type, "GstMiniObject", |
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&mini_object_info, &mini_object_fundamental_info, G_TYPE_FLAG_ABSTRACT); |
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116 |
|
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#ifndef GST_DISABLE_TRACE |
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_gst_mini_object_trace = |
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gst_alloc_trace_register (g_type_name (_gst_mini_object_type)); |
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#endif |
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121 |
} |
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122 |
|
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return _gst_mini_object_type; |
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} |
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125 |
|
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126 |
#if 0 |
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127 |
static void |
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gst_mini_object_base_init (gpointer g_class) |
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129 |
{ |
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/* do nothing */ |
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} |
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132 |
|
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133 |
static void |
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gst_mini_object_base_finalize (gpointer g_class) |
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135 |
{ |
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/* do nothing */ |
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} |
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#endif |
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139 |
|
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140 |
static void |
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gst_mini_object_class_init (gpointer g_class, gpointer class_data) |
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142 |
{ |
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GstMiniObjectClass *mo_class = GST_MINI_OBJECT_CLASS (g_class); |
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144 |
|
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mo_class->copy = gst_mini_object_copy_default; |
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mo_class->finalize = gst_mini_object_finalize; |
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} |
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148 |
|
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149 |
static void |
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gst_mini_object_init (GTypeInstance * instance, gpointer klass) |
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151 |
{ |
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GstMiniObject *mini_object = GST_MINI_OBJECT_CAST (instance); |
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153 |
|
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mini_object->refcount = 1; |
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} |
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156 |
|
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static GstMiniObject * |
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gst_mini_object_copy_default (const GstMiniObject * obj) |
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{ |
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g_warning ("GstMiniObject classes must implement GstMiniObject::copy"); |
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return NULL; |
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} |
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163 |
|
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static void |
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gst_mini_object_finalize (GstMiniObject * obj) |
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166 |
{ |
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/* do nothing */ |
16 | 168 |
|
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/* WARNING: if anything is ever put in this method, make sure that the |
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* following sub-classes' finalize method chains up to this one: |
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* gstbuffer |
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* gstevent |
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* gstmessage |
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* gstquery |
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*/ |
|
0
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} |
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|
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/** |
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* gst_mini_object_new: |
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* @type: the #GType of the mini-object to create |
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* |
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* Creates a new mini-object of the desired type. |
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* |
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* MT safe |
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* |
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* Returns: the new mini-object. |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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191 |
|
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GstMiniObject * |
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gst_mini_object_new (GType type) |
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{ |
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GstMiniObject *mini_object; |
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|
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/* we don't support dynamic types because they really aren't useful, |
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* and could cause refcount problems */ |
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mini_object = (GstMiniObject *) g_type_create_instance (type); |
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200 |
|
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#ifndef GST_DISABLE_TRACE |
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gst_alloc_trace_new (_gst_mini_object_trace, mini_object); |
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#endif |
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|
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return mini_object; |
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} |
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207 |
|
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/* FIXME 0.11: Current way of doing the copy makes it impossible |
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* to currectly chain to the parent classes and do a copy in a |
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* subclass without knowing all internals of the parent classes. |
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* |
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* For 0.11 we should do something like the following: |
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* - The GstMiniObjectClass::copy() implementation of GstMiniObject |
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* should call g_type_create_instance() with the type of the source |
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* object. |
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* - All GstMiniObjectClass::copy() implementations should as first |
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* thing chain up to the parent class and then do whatever they need |
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* to do to copy their type specific data. Note that this way the |
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* instance_init() functions are called! |
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*/ |
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|
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/** |
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* gst_mini_object_copy: |
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* @mini_object: the mini-object to copy |
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* |
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* Creates a copy of the mini-object. |
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* |
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* MT safe |
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* |
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* Returns: the new mini-object. |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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GstMiniObject * |
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gst_mini_object_copy (const GstMiniObject * mini_object) |
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{ |
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GstMiniObjectClass *mo_class; |
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|
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g_return_val_if_fail (mini_object != NULL, NULL); |
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|
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mo_class = GST_MINI_OBJECT_GET_CLASS (mini_object); |
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|
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return mo_class->copy (mini_object); |
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} |
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|
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/** |
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* gst_mini_object_is_writable: |
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* @mini_object: the mini-object to check |
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* |
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* Checks if a mini-object is writable. A mini-object is writable |
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* if the reference count is one and the #GST_MINI_OBJECT_FLAG_READONLY |
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* flag is not set. Modification of a mini-object should only be |
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* done after verifying that it is writable. |
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* |
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* MT safe |
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* |
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* Returns: TRUE if the object is writable. |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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|
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gboolean |
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gst_mini_object_is_writable (const GstMiniObject * mini_object) |
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{ |
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g_return_val_if_fail (mini_object != NULL, FALSE); |
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|
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return (GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) == 1) && |
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((mini_object->flags & GST_MINI_OBJECT_FLAG_READONLY) == 0); |
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} |
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|
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/** |
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* gst_mini_object_make_writable: |
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* @mini_object: the mini-object to make writable |
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* |
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* Checks if a mini-object is writable. If not, a writable copy is made and |
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* returned. This gives away the reference to the original mini object, |
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* and returns a reference to the new object. |
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* |
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* MT safe |
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* |
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* Returns: a mini-object (possibly the same pointer) that is writable. |
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*/ |
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#ifdef __SYMBIAN32__ |
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EXPORT_C |
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#endif |
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289 |
|
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GstMiniObject * |
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gst_mini_object_make_writable (GstMiniObject * mini_object) |
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{ |
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GstMiniObject *ret; |
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|
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g_return_val_if_fail (mini_object != NULL, NULL); |
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|
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if (gst_mini_object_is_writable (mini_object)) { |
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ret = (GstMiniObject *) mini_object; |
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} else { |
16 | 300 |
GST_CAT_DEBUG (GST_CAT_PERFORMANCE, "copy %s miniobject", |
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g_type_name (G_TYPE_FROM_INSTANCE (mini_object))); |
|
0
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ret = gst_mini_object_copy (mini_object); |
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gst_mini_object_unref ((GstMiniObject *) mini_object); |
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} |
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|
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return ret; |
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} |
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|
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/** |
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* gst_mini_object_ref: |
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* @mini_object: the mini-object |
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* |
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* Increase the reference count of the mini-object. |
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* |
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* Note that the refcount affects the writeability |
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* of @mini-object, see gst_mini_object_is_writable(). It is |
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* important to note that keeping additional references to |
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* GstMiniObject instances can potentially increase the number |
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* of memcpy operations in a pipeline, especially if the miniobject |
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* is a #GstBuffer. |
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* |
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* Returns: the mini-object. |
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323 |
*/ |
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324 |
#ifdef __SYMBIAN32__ |
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325 |
EXPORT_C |
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326 |
#endif |
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327 |
|
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328 |
GstMiniObject * |
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329 |
gst_mini_object_ref (GstMiniObject * mini_object) |
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330 |
{ |
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|
331 |
g_return_val_if_fail (mini_object != NULL, NULL); |
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|
332 |
/* we cannot assert that the refcount > 0 since a bufferalloc |
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333 |
* function might resurrect an object |
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|
334 |
g_return_val_if_fail (mini_object->refcount > 0, NULL); |
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|
335 |
*/ |
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336 |
#ifdef DEBUG_REFCOUNT |
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g_return_val_if_fail (GST_IS_MINI_OBJECT (mini_object), NULL); |
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|
338 |
|
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GST_CAT_LOG (GST_CAT_REFCOUNTING, "%p ref %d->%d", |
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340 |
mini_object, |
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GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object), |
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GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) + 1); |
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343 |
#endif |
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344 |
|
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345 |
g_atomic_int_inc (&mini_object->refcount); |
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346 |
|
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return mini_object; |
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348 |
} |
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349 |
|
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350 |
static void |
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351 |
gst_mini_object_free (GstMiniObject * mini_object) |
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|
352 |
{ |
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353 |
GstMiniObjectClass *mo_class; |
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|
354 |
|
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mo_class = GST_MINI_OBJECT_GET_CLASS (mini_object); |
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|
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mo_class->finalize (mini_object); |
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|
357 |
|
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358 |
/* if the refcount is still 0 we can really free the |
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359 |
* object, else the finalize method recycled the object */ |
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|
360 |
if (g_atomic_int_get (&mini_object->refcount) == 0) { |
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|
361 |
#ifndef GST_DISABLE_TRACE |
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gst_alloc_trace_free (_gst_mini_object_trace, mini_object); |
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363 |
#endif |
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g_type_free_instance ((GTypeInstance *) mini_object); |
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|
365 |
} |
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|
366 |
} |
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|
367 |
|
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|
368 |
/** |
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369 |
* gst_mini_object_unref: |
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370 |
* @mini_object: the mini-object |
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|
371 |
* |
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372 |
* Decreases the reference count of the mini-object, possibly freeing |
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* the mini-object. |
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374 |
*/ |
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|
375 |
#ifdef __SYMBIAN32__ |
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376 |
EXPORT_C |
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377 |
#endif |
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|
378 |
|
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379 |
void |
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380 |
gst_mini_object_unref (GstMiniObject * mini_object) |
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|
381 |
{ |
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|
382 |
g_return_if_fail (mini_object != NULL); |
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|
383 |
g_return_if_fail (mini_object->refcount > 0); |
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|
384 |
|
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|
385 |
#ifdef DEBUG_REFCOUNT |
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|
386 |
g_return_if_fail (GST_IS_MINI_OBJECT (mini_object)); |
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|
387 |
|
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|
388 |
GST_CAT_LOG (GST_CAT_REFCOUNTING, "%p unref %d->%d", |
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|
389 |
mini_object, |
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|
390 |
GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object), |
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|
391 |
GST_MINI_OBJECT_REFCOUNT_VALUE (mini_object) - 1); |
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|
392 |
#endif |
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|
393 |
|
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|
394 |
if (G_UNLIKELY (g_atomic_int_dec_and_test (&mini_object->refcount))) { |
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|
395 |
gst_mini_object_free (mini_object); |
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|
396 |
} |
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|
397 |
} |
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|
398 |
|
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|
399 |
/** |
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|
400 |
* gst_mini_object_replace: |
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|
401 |
* @olddata: pointer to a pointer to a mini-object to be replaced |
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|
402 |
* @newdata: pointer to new mini-object |
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|
403 |
* |
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|
404 |
* Modifies a pointer to point to a new mini-object. The modification |
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|
405 |
* is done atomically, and the reference counts are updated correctly. |
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|
406 |
* Either @newdata and the value pointed to by @olddata may be NULL. |
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|
407 |
*/ |
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|
408 |
#ifdef __SYMBIAN32__ |
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|
409 |
EXPORT_C |
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|
410 |
#endif |
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|
411 |
|
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|
412 |
void |
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|
413 |
gst_mini_object_replace (GstMiniObject ** olddata, GstMiniObject * newdata) |
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|
414 |
{ |
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|
415 |
GstMiniObject *olddata_val; |
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|
416 |
|
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|
417 |
g_return_if_fail (olddata != NULL); |
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|
418 |
|
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|
419 |
#ifdef DEBUG_REFCOUNT |
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|
420 |
GST_CAT_LOG (GST_CAT_REFCOUNTING, "replace %p (%d) with %p (%d)", |
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|
421 |
*olddata, *olddata ? (*olddata)->refcount : 0, |
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|
422 |
newdata, newdata ? newdata->refcount : 0); |
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|
423 |
#endif |
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|
424 |
|
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|
425 |
olddata_val = g_atomic_pointer_get ((gpointer *) olddata); |
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|
426 |
|
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|
427 |
if (olddata_val == newdata) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
return; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
if (newdata) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
gst_mini_object_ref (newdata); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
while (!g_atomic_pointer_compare_and_exchange ((gpointer *) olddata, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
olddata_val, newdata)) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
olddata_val = g_atomic_pointer_get ((gpointer *) olddata); |
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 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
438 |
if (olddata_val) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
439 |
gst_mini_object_unref (olddata_val); |
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 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
442 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
443 |
gst_value_mini_object_init (GValue * value) |
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 |
value->data[0].v_pointer = NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
446 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
447 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
448 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
449 |
gst_value_mini_object_free (GValue * value) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
450 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
451 |
if (value->data[0].v_pointer) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
452 |
gst_mini_object_unref (GST_MINI_OBJECT_CAST (value->data[0].v_pointer)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
453 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
454 |
} |
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 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
457 |
gst_value_mini_object_copy (const GValue * src_value, GValue * dest_value) |
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 |
if (src_value->data[0].v_pointer) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
460 |
dest_value->data[0].v_pointer = |
16 | 461 |
gst_mini_object_ref (GST_MINI_OBJECT_CAST (src_value-> |
462 |
data[0].v_pointer)); |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
463 |
} else { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
464 |
dest_value->data[0].v_pointer = NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
465 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
466 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
467 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
468 |
static gpointer |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
469 |
gst_value_mini_object_peek_pointer (const GValue * value) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
470 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
471 |
return value->data[0].v_pointer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
472 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
473 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
474 |
static gchar * |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
475 |
gst_value_mini_object_collect (GValue * value, guint n_collect_values, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
476 |
GTypeCValue * collect_values, guint collect_flags) |
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 |
gst_value_set_mini_object (value, collect_values[0].v_pointer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
479 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
480 |
return NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
481 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
482 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
483 |
static gchar * |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
484 |
gst_value_mini_object_lcopy (const GValue * value, guint n_collect_values, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
485 |
GTypeCValue * collect_values, guint collect_flags) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
486 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
487 |
gpointer *mini_object_p = collect_values[0].v_pointer; |
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 |
if (!mini_object_p) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
490 |
return g_strdup_printf ("value location for '%s' passed as NULL", |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
491 |
G_VALUE_TYPE_NAME (value)); |
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 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
494 |
if (!value->data[0].v_pointer) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
495 |
*mini_object_p = NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
496 |
else if (collect_flags & G_VALUE_NOCOPY_CONTENTS) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
497 |
*mini_object_p = value->data[0].v_pointer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
498 |
else |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
499 |
*mini_object_p = gst_mini_object_ref (value->data[0].v_pointer); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
500 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
501 |
return NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
502 |
} |
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 |
/** |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
505 |
* gst_value_set_mini_object: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
506 |
* @value: a valid #GValue of %GST_TYPE_MINI_OBJECT derived type |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
507 |
* @mini_object: mini object value to set |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
508 |
* |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
509 |
* Set the contents of a %GST_TYPE_MINI_OBJECT derived #GValue to |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
510 |
* @mini_object. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
511 |
* The caller retains ownership of the reference. |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
512 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
513 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
514 |
EXPORT_C |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
515 |
#endif |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
516 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
517 |
void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
518 |
gst_value_set_mini_object (GValue * value, GstMiniObject * mini_object) |
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 |
gpointer *pointer_p; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
521 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
522 |
g_return_if_fail (GST_VALUE_HOLDS_MINI_OBJECT (value)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
523 |
g_return_if_fail (mini_object == NULL || GST_IS_MINI_OBJECT (mini_object)); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
524 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
525 |
pointer_p = &value->data[0].v_pointer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
526 |
gst_mini_object_replace ((GstMiniObject **) pointer_p, mini_object); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
527 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
528 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
529 |
/** |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
530 |
* gst_value_take_mini_object: |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
531 |
* @value: a valid #GValue of %GST_TYPE_MINI_OBJECT derived type |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
532 |
* @mini_object: mini object value to take |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
533 |
* |
0e761a78d257
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parents:
diff
changeset
|
534 |
* Set the contents of a %GST_TYPE_MINI_OBJECT derived #GValue to |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
535 |
* @mini_object. |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
536 |
* Takes over the ownership of the caller's reference to @mini_object; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
537 |
* the caller doesn't have to unref it any more. |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
538 |
*/ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
539 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
540 |
EXPORT_C |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
541 |
#endif |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
542 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
543 |
void |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
544 |
gst_value_take_mini_object (GValue * value, GstMiniObject * mini_object) |
0e761a78d257
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parents:
diff
changeset
|
545 |
{ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
546 |
gpointer *pointer_p; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
547 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
548 |
g_return_if_fail (GST_VALUE_HOLDS_MINI_OBJECT (value)); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
549 |
g_return_if_fail (mini_object == NULL || GST_IS_MINI_OBJECT (mini_object)); |
0e761a78d257
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parents:
diff
changeset
|
550 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
551 |
pointer_p = &value->data[0].v_pointer; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
552 |
/* takes additional refcount */ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
553 |
gst_mini_object_replace ((GstMiniObject **) pointer_p, mini_object); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
554 |
/* remove additional refcount */ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
555 |
if (mini_object) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
556 |
gst_mini_object_unref (mini_object); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
557 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
558 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
559 |
/** |
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Revision: 200949
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parents:
diff
changeset
|
560 |
* gst_value_get_mini_object: |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
561 |
* @value: a valid #GValue of %GST_TYPE_MINI_OBJECT derived type |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
562 |
* |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
563 |
* Get the contents of a %GST_TYPE_MINI_OBJECT derived #GValue. |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
564 |
* Does not increase the refcount of the returned object. |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
565 |
* |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
566 |
* Returns: mini object contents of @value |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
567 |
*/ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
568 |
#ifdef __SYMBIAN32__ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
569 |
EXPORT_C |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
570 |
#endif |
0e761a78d257
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parents:
diff
changeset
|
571 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
572 |
GstMiniObject * |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
573 |
gst_value_get_mini_object (const GValue * value) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
574 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
575 |
g_return_val_if_fail (GST_VALUE_HOLDS_MINI_OBJECT (value), NULL); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
576 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
577 |
return value->data[0].v_pointer; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
578 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
579 |
|
16 | 580 |
/** |
581 |
* gst_value_dup_mini_object: |
|
582 |
* @value: a valid #GValue of %GST_TYPE_MINI_OBJECT derived type |
|
583 |
* |
|
584 |
* Get the contents of a %GST_TYPE_MINI_OBJECT derived #GValue, |
|
585 |
* increasing its reference count. |
|
586 |
* |
|
587 |
* Returns: mini object contents of @value |
|
588 |
* |
|
589 |
* Since: 0.10.20 |
|
590 |
*/ |
|
591 |
#ifdef __SYMBIAN32__ |
|
592 |
EXPORT_C |
|
593 |
#endif |
|
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
594 |
|
16 | 595 |
GstMiniObject * |
596 |
gst_value_dup_mini_object (const GValue * value) |
|
597 |
{ |
|
598 |
g_return_val_if_fail (GST_VALUE_HOLDS_MINI_OBJECT (value), NULL); |
|
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
599 |
|
16 | 600 |
return gst_mini_object_ref (value->data[0].v_pointer); |
601 |
} |
|
602 |
||
603 |
||
604 |
/* param spec */ |
|
0
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
605 |
|
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
606 |
static void |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
607 |
param_mini_object_init (GParamSpec * pspec) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
608 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
609 |
/* GParamSpecMiniObject *ospec = G_PARAM_SPEC_MINI_OBJECT (pspec); */ |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
610 |
} |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
611 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
612 |
static void |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
613 |
param_mini_object_set_default (GParamSpec * pspec, GValue * value) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
614 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
615 |
value->data[0].v_pointer = NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
616 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
617 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
618 |
static gboolean |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
619 |
param_mini_object_validate (GParamSpec * pspec, GValue * value) |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
620 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
621 |
GstParamSpecMiniObject *ospec = GST_PARAM_SPEC_MINI_OBJECT (pspec); |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
622 |
GstMiniObject *mini_object = value->data[0].v_pointer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
623 |
gboolean changed = FALSE; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
624 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
625 |
if (mini_object |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
626 |
&& !g_value_type_compatible (G_OBJECT_TYPE (mini_object), |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
627 |
G_PARAM_SPEC_VALUE_TYPE (ospec))) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
628 |
gst_mini_object_unref (mini_object); |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
629 |
value->data[0].v_pointer = NULL; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
630 |
changed = TRUE; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
631 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
632 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
633 |
return changed; |
0e761a78d257
Revision: 200949
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parents:
diff
changeset
|
634 |
} |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
635 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
636 |
static gint |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
637 |
param_mini_object_values_cmp (GParamSpec * pspec, |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
638 |
const GValue * value1, const GValue * value2) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
639 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
640 |
guint8 *p1 = value1->data[0].v_pointer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
641 |
guint8 *p2 = value2->data[0].v_pointer; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
642 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
643 |
/* not much to compare here, try to at least provide stable lesser/greater result */ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
644 |
|
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
645 |
return p1 < p2 ? -1 : p1 > p2; |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
646 |
} |
16 | 647 |
#ifdef __SYMBIAN32__ |
648 |
EXPORT_C |
|
649 |
#endif |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
650 |
|
16 | 651 |
|
652 |
GType |
|
0
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
653 |
gst_param_spec_mini_object_get_type (void) |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
654 |
{ |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
655 |
static GType type; |
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 |
if (G_UNLIKELY (type) == 0) { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
658 |
static const GParamSpecTypeInfo pspec_info = { |
0e761a78d257
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
659 |
sizeof (GstParamSpecMiniObject), /* instance_size */ |
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Revision: 200949
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660 |
16, /* n_preallocs */ |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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661 |
param_mini_object_init, /* instance_init */ |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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662 |
G_TYPE_OBJECT, /* value_type */ |
0e761a78d257
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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663 |
NULL, /* finalize */ |
0e761a78d257
Revision: 200949
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param_mini_object_set_default, /* value_set_default */ |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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665 |
param_mini_object_validate, /* value_validate */ |
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666 |
param_mini_object_values_cmp, /* values_cmp */ |
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667 |
}; |
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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668 |
/* FIXME 0.11: Should really be GstParamSpecMiniObject */ |
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type = g_param_type_register_static ("GParamSpecMiniObject", &pspec_info); |
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670 |
} |
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|
671 |
|
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return type; |
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673 |
} |
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674 |
|
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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|
675 |
/** |
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Revision: 200949
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* gst_param_spec_mini_object: |
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* @name: the canonical name of the property |
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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* @nick: the nickname of the property |
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679 |
* @blurb: a short description of the property |
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* @object_type: the #GstMiniObjectType for the property |
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681 |
* @flags: a combination of #GParamFlags |
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682 |
* |
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* Creates a new #GParamSpec instance that hold #GstMiniObject references. |
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684 |
* |
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* Returns: a newly allocated #GParamSpec instance |
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*/ |
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Revision: 200949
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687 |
#ifdef __SYMBIAN32__ |
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688 |
EXPORT_C |
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#endif |
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690 |
|
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GParamSpec * |
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692 |
gst_param_spec_mini_object (const char *name, const char *nick, |
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const char *blurb, GType object_type, GParamFlags flags) |
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|
694 |
{ |
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GstParamSpecMiniObject *ospec; |
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696 |
|
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Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
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g_return_val_if_fail (g_type_is_a (object_type, GST_TYPE_MINI_OBJECT), NULL); |
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|
16 | 699 |
ospec = g_param_spec_internal (GST_TYPE_PARAM_MINI_OBJECT, |
0
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name, nick, blurb, flags); |
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G_PARAM_SPEC (ospec)->value_type = object_type; |
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|
702 |
|
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return G_PARAM_SPEC (ospec); |
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} |