author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Wed, 31 Mar 2010 22:03:18 +0300 | |
branch | RCL_3 |
changeset 6 | 9b2c3c7a1a9c |
parent 2 | 5505e8908944 |
child 8 | 4a7fac7dd34a |
permissions | -rw-r--r-- |
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/* GStreamer |
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* (c) 2005 Ronald S. Bultje <rbultje@ronald.bitfreak.net> |
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* (c) 2006 Jan Schmidt <thaytan@noraisin.net> |
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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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/** |
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* SECTION:element-autovideosink |
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* @see_also: autoaudiosink, ximagesink, xvimagesink, sdlvideosink |
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* |
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* <refsect2> |
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* <para> |
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* autovideosink is a video sink that automatically detects an appropriate |
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* video sink to use. It does so by scanning the registry for all elements |
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* that have <quote>Sink</quote> and <quote>Video</quote> in the class field |
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* of their element information, and also have a non-zero autoplugging rank. |
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* </para> |
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* <title>Example launch line</title> |
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* <para> |
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* <programlisting> |
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* gst-launch -v -m videotestsrc ! autovideosink |
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* </programlisting> |
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* </para> |
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* </refsect2> |
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*/ |
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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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#include <string.h> |
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#include "gstautovideosink.h" |
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#include "gstautodetect.h" |
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/* Properties */ |
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enum |
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{ |
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PROP_0, |
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PROP_CAPS, |
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}; |
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static GstStateChangeReturn |
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gst_auto_video_sink_change_state (GstElement * element, |
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GstStateChange transition); |
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static void gst_auto_video_sink_dispose (GstAutoVideoSink * sink); |
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static void gst_auto_video_sink_clear_kid (GstAutoVideoSink * sink); |
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static void gst_auto_video_sink_set_property (GObject * object, guint prop_id, |
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const GValue * value, GParamSpec * pspec); |
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static void gst_auto_video_sink_get_property (GObject * object, guint prop_id, |
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GValue * value, GParamSpec * pspec); |
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GST_BOILERPLATE (GstAutoVideoSink, gst_auto_video_sink, GstBin, GST_TYPE_BIN); |
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static const GstElementDetails gst_auto_video_sink_details = |
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GST_ELEMENT_DETAILS ("Auto video sink", |
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"Sink/Video", |
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"Wrapper video sink for automatically detected video sink", |
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"Ronald Bultje <rbultje@ronald.bitfreak.net>\n" |
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"Jan Schmidt <thaytan@noraisin.net"); |
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static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink", |
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GST_PAD_SINK, |
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GST_PAD_ALWAYS, |
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GST_STATIC_CAPS_ANY); |
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static void |
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gst_auto_video_sink_base_init (gpointer klass) |
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{ |
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GstElementClass *eklass = GST_ELEMENT_CLASS (klass); |
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gst_element_class_add_pad_template (eklass, |
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gst_static_pad_template_get (&sink_template)); |
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gst_element_class_set_details (eklass, &gst_auto_video_sink_details); |
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} |
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static void |
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gst_auto_video_sink_class_init (GstAutoVideoSinkClass * klass) |
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{ |
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GObjectClass *gobject_class; |
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GstElementClass *eklass = GST_ELEMENT_CLASS (klass); |
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gobject_class = G_OBJECT_CLASS (klass); |
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gobject_class->dispose = |
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(GObjectFinalizeFunc) GST_DEBUG_FUNCPTR (gst_auto_video_sink_dispose); |
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101 |
eklass->change_state = GST_DEBUG_FUNCPTR (gst_auto_video_sink_change_state); |
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102 |
gobject_class->set_property = |
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103 |
GST_DEBUG_FUNCPTR (gst_auto_video_sink_set_property); |
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104 |
gobject_class->get_property = |
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105 |
GST_DEBUG_FUNCPTR (gst_auto_video_sink_get_property); |
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|
106 |
|
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107 |
/** |
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108 |
* GstAutoVideoSink:filter-caps |
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109 |
* |
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110 |
* This property will filter out candidate sinks that can handle the specified |
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* caps. By default only video sinks that support raw rgb and yuv video |
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112 |
* are selected. |
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113 |
* |
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114 |
* This property can only be set before the element goes to the READY state. |
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115 |
* |
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116 |
* Since: 0.10.7 |
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117 |
**/ |
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118 |
g_object_class_install_property (gobject_class, PROP_CAPS, |
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g_param_spec_boxed ("filter-caps", "Filter caps", |
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"Filter sink candidates using these caps.", GST_TYPE_CAPS, |
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121 |
G_PARAM_READWRITE)); |
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122 |
} |
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123 |
|
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124 |
static void |
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125 |
gst_auto_video_sink_dispose (GstAutoVideoSink * sink) |
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126 |
{ |
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gst_auto_video_sink_clear_kid (sink); |
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128 |
|
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129 |
if (sink->filter_caps) |
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130 |
gst_caps_unref (sink->filter_caps); |
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131 |
sink->filter_caps = NULL; |
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132 |
|
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133 |
G_OBJECT_CLASS (parent_class)->dispose ((GObject *) sink); |
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134 |
} |
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135 |
|
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136 |
static void |
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137 |
gst_auto_video_sink_clear_kid (GstAutoVideoSink * sink) |
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138 |
{ |
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139 |
if (sink->kid) { |
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140 |
gst_element_set_state (sink->kid, GST_STATE_NULL); |
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141 |
gst_bin_remove (GST_BIN (sink), sink->kid); |
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142 |
sink->kid = NULL; |
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143 |
} |
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144 |
} |
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145 |
|
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146 |
/* |
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147 |
* Hack to make initial linking work; ideally, this'd work even when |
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148 |
* no target has been assigned to the ghostpad yet. |
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149 |
*/ |
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150 |
|
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151 |
static void |
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152 |
gst_auto_video_sink_reset (GstAutoVideoSink * sink) |
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153 |
{ |
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154 |
GstPad *targetpad; |
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155 |
|
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156 |
/* Remove any existing element */ |
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157 |
gst_auto_video_sink_clear_kid (sink); |
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158 |
|
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159 |
/* fakesink placeholder */ |
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160 |
sink->kid = gst_element_factory_make ("fakesink", "tempsink"); |
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161 |
gst_bin_add (GST_BIN (sink), sink->kid); |
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162 |
|
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163 |
/* pad */ |
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164 |
targetpad = gst_element_get_pad (sink->kid, "sink"); |
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165 |
gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad); |
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|
166 |
gst_object_unref (targetpad); |
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167 |
} |
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168 |
|
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169 |
static GstStaticCaps raw_caps = |
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170 |
GST_STATIC_CAPS ("video/x-raw-yuv; video/x-raw-rgb"); |
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171 |
|
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172 |
static void |
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173 |
gst_auto_video_sink_init (GstAutoVideoSink * sink, |
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174 |
GstAutoVideoSinkClass * g_class) |
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175 |
{ |
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176 |
sink->pad = gst_ghost_pad_new_no_target ("sink", GST_PAD_SINK); |
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177 |
gst_element_add_pad (GST_ELEMENT (sink), sink->pad); |
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|
178 |
|
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179 |
gst_auto_video_sink_reset (sink); |
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180 |
|
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181 |
/* set the default raw video caps */ |
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182 |
sink->filter_caps = gst_static_caps_get (&raw_caps); |
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183 |
|
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184 |
/* mark as sink */ |
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185 |
GST_OBJECT_FLAG_SET (sink, GST_ELEMENT_IS_SINK); |
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186 |
} |
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187 |
|
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188 |
static gboolean |
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189 |
gst_auto_video_sink_factory_filter (GstPluginFeature * feature, gpointer data) |
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190 |
{ |
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191 |
guint rank; |
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192 |
const gchar *klass; |
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193 |
|
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194 |
/* we only care about element factories */ |
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195 |
if (!GST_IS_ELEMENT_FACTORY (feature)) |
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196 |
return FALSE; |
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197 |
|
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198 |
/* video sinks */ |
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199 |
klass = gst_element_factory_get_klass (GST_ELEMENT_FACTORY (feature)); |
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200 |
if (!(strstr (klass, "Sink") && strstr (klass, "Video"))) |
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201 |
return FALSE; |
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202 |
|
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203 |
/* only select elements with autoplugging rank */ |
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204 |
rank = gst_plugin_feature_get_rank (feature); |
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205 |
if (rank < GST_RANK_MARGINAL) |
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|
206 |
return FALSE; |
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|
207 |
|
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|
208 |
return TRUE; |
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209 |
} |
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|
210 |
|
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211 |
static gint |
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|
212 |
gst_auto_video_sink_compare_ranks (GstPluginFeature * f1, GstPluginFeature * f2) |
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213 |
{ |
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214 |
gint diff; |
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|
215 |
|
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|
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diff = gst_plugin_feature_get_rank (f2) - gst_plugin_feature_get_rank (f1); |
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|
217 |
if (diff != 0) |
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|
218 |
return diff; |
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|
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return strcmp (gst_plugin_feature_get_name (f2), |
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|
220 |
gst_plugin_feature_get_name (f1)); |
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|
221 |
} |
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|
222 |
|
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223 |
static GstElement * |
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|
224 |
gst_auto_video_sink_create_element_with_pretty_name (GstAutoVideoSink * sink, |
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225 |
GstElementFactory * factory) |
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|
226 |
{ |
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|
227 |
GstElement *element; |
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|
228 |
gchar *name, *marker; |
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|
229 |
|
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|
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marker = g_strdup (GST_PLUGIN_FEATURE (factory)->name); |
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|
231 |
if (g_str_has_suffix (marker, "sink")) |
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marker[strlen (marker) - 4] = '\0'; |
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|
233 |
if (g_str_has_prefix (marker, "gst")) |
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|
234 |
g_memmove (marker, marker + 3, strlen (marker + 3) + 1); |
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|
235 |
name = g_strdup_printf ("%s-actual-sink-%s", GST_OBJECT_NAME (sink), marker); |
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|
236 |
g_free (marker); |
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|
237 |
|
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|
238 |
element = gst_element_factory_create (factory, name); |
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|
239 |
g_free (name); |
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|
240 |
|
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|
241 |
return element; |
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|
242 |
} |
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|
243 |
|
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|
244 |
static GstElement * |
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|
245 |
gst_auto_video_sink_find_best (GstAutoVideoSink * sink) |
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|
246 |
{ |
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|
247 |
GList *list, *item; |
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|
248 |
GstElement *choice = NULL; |
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|
249 |
GstMessage *message = NULL; |
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|
250 |
GSList *errors = NULL; |
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|
251 |
GstBus *bus = gst_bus_new (); |
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|
252 |
GstPad *el_pad = NULL; |
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|
253 |
GstCaps *el_caps = NULL, *intersect = NULL; |
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|
254 |
gboolean no_match = TRUE; |
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|
255 |
|
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|
256 |
list = gst_registry_feature_filter (gst_registry_get_default (), |
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|
257 |
(GstPluginFeatureFilter) gst_auto_video_sink_factory_filter, FALSE, sink); |
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|
258 |
list = g_list_sort (list, (GCompareFunc) gst_auto_video_sink_compare_ranks); |
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|
259 |
|
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|
260 |
GST_LOG_OBJECT (sink, "Trying to find usable video devices ..."); |
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|
261 |
|
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|
262 |
for (item = list; item != NULL; item = item->next) { |
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|
263 |
GstElementFactory *f = GST_ELEMENT_FACTORY (item->data); |
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|
264 |
GstElement *el; |
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|
265 |
|
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|
266 |
if ((el = gst_auto_video_sink_create_element_with_pretty_name (sink, f))) { |
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|
267 |
GstStateChangeReturn ret; |
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|
268 |
|
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|
269 |
GST_DEBUG_OBJECT (sink, "Testing %s", GST_PLUGIN_FEATURE (f)->name); |
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|
270 |
|
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|
271 |
/* If autovideosink has been provided with filter caps, |
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|
272 |
* accept only sinks that match with the filter caps */ |
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|
273 |
if (sink->filter_caps) { |
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|
274 |
el_pad = gst_element_get_static_pad (GST_ELEMENT (el), "sink"); |
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|
275 |
el_caps = gst_pad_get_caps (el_pad); |
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|
276 |
gst_object_unref (el_pad); |
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|
277 |
GST_DEBUG_OBJECT (sink, |
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|
278 |
"Checking caps: %" GST_PTR_FORMAT " vs. %" GST_PTR_FORMAT, |
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|
279 |
sink->filter_caps, el_caps); |
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|
280 |
intersect = gst_caps_intersect (sink->filter_caps, el_caps); |
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|
281 |
no_match = gst_caps_is_empty (intersect); |
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|
282 |
gst_caps_unref (el_caps); |
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|
283 |
gst_caps_unref (intersect); |
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diff
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|
284 |
|
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|
285 |
if (no_match) { |
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|
286 |
GST_DEBUG_OBJECT (sink, "Incompatible caps"); |
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|
287 |
gst_object_unref (el); |
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|
288 |
continue; |
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|
289 |
} else { |
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|
290 |
GST_DEBUG_OBJECT (sink, "Found compatible caps"); |
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|
291 |
} |
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|
292 |
} |
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parents:
diff
changeset
|
293 |
|
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|
294 |
gst_element_set_bus (el, bus); |
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|
295 |
ret = gst_element_set_state (el, GST_STATE_READY); |
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|
296 |
if (ret == GST_STATE_CHANGE_SUCCESS) { |
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|
297 |
GST_DEBUG_OBJECT (sink, "This worked!"); |
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|
298 |
choice = el; |
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Revision: 201001
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|
299 |
break; |
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|
300 |
} |
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diff
changeset
|
301 |
|
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|
302 |
/* collect all error messages */ |
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Revision: 201001
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parents:
diff
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|
303 |
while ((message = gst_bus_pop_filtered (bus, GST_MESSAGE_ERROR))) { |
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Revision: 201001
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parents:
diff
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|
304 |
GST_DEBUG_OBJECT (sink, "error message %" GST_PTR_FORMAT, message); |
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Revision: 201001
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parents:
diff
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|
305 |
errors = g_slist_append (errors, message); |
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Revision: 201001
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parents:
diff
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|
306 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
307 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
308 |
gst_element_set_state (el, GST_STATE_NULL); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
309 |
gst_object_unref (el); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
310 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
311 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
312 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
313 |
GST_DEBUG_OBJECT (sink, "done trying"); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
314 |
if (!choice) { |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
315 |
if (errors) { |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
316 |
/* FIXME: we forward the first error for now; but later on it might make |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
317 |
* sense to actually analyse them */ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
318 |
gst_message_ref (GST_MESSAGE (errors->data)); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
319 |
GST_DEBUG_OBJECT (sink, "reposting message %p", errors->data); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
320 |
gst_element_post_message (GST_ELEMENT (sink), GST_MESSAGE (errors->data)); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
321 |
} else { |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
322 |
/* send warning message to application and use a fakesink */ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
323 |
GST_ELEMENT_WARNING (sink, RESOURCE, NOT_FOUND, (NULL), |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
324 |
("Failed to find a usable video sink")); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
325 |
choice = gst_element_factory_make ("fakesink", "fake-video-sink"); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
326 |
if (g_object_class_find_property (G_OBJECT_GET_CLASS (choice), "sync")) |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
327 |
g_object_set (choice, "sync", TRUE, NULL); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
328 |
gst_element_set_state (choice, GST_STATE_READY); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
329 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
330 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
331 |
gst_object_unref (bus); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
332 |
gst_plugin_feature_list_free (list); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
333 |
g_slist_foreach (errors, (GFunc) gst_mini_object_unref, NULL); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
334 |
g_slist_free (errors); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
335 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
336 |
return choice; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
337 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
338 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
339 |
static gboolean |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
340 |
gst_auto_video_sink_detect (GstAutoVideoSink * sink) |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
341 |
{ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
342 |
GstElement *esink; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
343 |
GstPad *targetpad; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
344 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
345 |
gst_auto_video_sink_clear_kid (sink); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
346 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
347 |
/* find element */ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
348 |
GST_DEBUG_OBJECT (sink, "Creating new kid"); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
349 |
if (!(esink = gst_auto_video_sink_find_best (sink))) |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
350 |
goto no_sink; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
351 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
352 |
sink->kid = esink; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
353 |
gst_bin_add (GST_BIN (sink), esink); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
354 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
355 |
/* attach ghost pad */ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
356 |
GST_DEBUG_OBJECT (sink, "Re-assigning ghostpad"); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
357 |
targetpad = gst_element_get_pad (sink->kid, "sink"); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
358 |
gst_ghost_pad_set_target (GST_GHOST_PAD (sink->pad), targetpad); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
359 |
gst_object_unref (targetpad); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
360 |
GST_DEBUG_OBJECT (sink, "done changing auto video sink"); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
361 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
362 |
return TRUE; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
363 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
364 |
/* ERRORS */ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
365 |
no_sink: |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
366 |
{ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
367 |
GST_ELEMENT_ERROR (sink, LIBRARY, INIT, (NULL), |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
368 |
("Failed to find a supported video sink")); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
369 |
return FALSE; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
370 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
371 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
372 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
373 |
static GstStateChangeReturn |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
374 |
gst_auto_video_sink_change_state (GstElement * element, |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
375 |
GstStateChange transition) |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
376 |
{ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
377 |
GstStateChangeReturn ret = GST_STATE_CHANGE_SUCCESS; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
378 |
GstAutoVideoSink *sink = GST_AUTO_VIDEO_SINK (element); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
379 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
380 |
switch (transition) { |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
381 |
case GST_STATE_CHANGE_NULL_TO_READY: |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
382 |
if (!gst_auto_video_sink_detect (sink)) |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
383 |
return GST_STATE_CHANGE_FAILURE; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
384 |
break; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
385 |
default: |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
386 |
break; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
387 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
388 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
389 |
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
390 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
391 |
switch (transition) { |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
392 |
case GST_STATE_CHANGE_READY_TO_NULL: |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
393 |
gst_auto_video_sink_reset (sink); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
394 |
break; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
395 |
default: |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
396 |
break; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
397 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
398 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
399 |
return ret; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
400 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
401 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
static void |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
403 |
gst_auto_video_sink_set_property (GObject * object, guint prop_id, |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
404 |
const GValue * value, GParamSpec * pspec) |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
405 |
{ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
GstAutoVideoSink *sink = GST_AUTO_VIDEO_SINK (object); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
switch (prop_id) { |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
case PROP_CAPS: |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
410 |
if (sink->filter_caps) |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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411 |
gst_caps_unref (sink->filter_caps); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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412 |
sink->filter_caps = gst_caps_copy (gst_value_get_caps (value)); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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413 |
break; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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414 |
default: |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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415 |
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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416 |
break; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
417 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
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418 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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419 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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changeset
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420 |
static void |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
421 |
gst_auto_video_sink_get_property (GObject * object, guint prop_id, |
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Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
422 |
GValue * value, GParamSpec * pspec) |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
423 |
{ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
424 |
GstAutoVideoSink *sink = GST_AUTO_VIDEO_SINK (object); |
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Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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425 |
|
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
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426 |
switch (prop_id) { |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
427 |
case PROP_CAPS:{ |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
428 |
gst_value_set_caps (value, sink->filter_caps); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
429 |
break; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
430 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
431 |
default: |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
432 |
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
433 |
break; |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
434 |
} |
5505e8908944
Revision: 201001
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
435 |
} |