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playbin: Forward CONTEXT queries to the corresponding sink if we have one

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=700967
This commit is contained in:
Sebastian Dröge 2013-05-28 13:14:15 +02:00
parent e5064ee723
commit a4ec6fe0b7
1 changed files with 89 additions and 0 deletions
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89
gst/playback/gstplaybin2.c
View file

@ -4272,6 +4272,93 @@ done:
return TRUE;
}
static gboolean
autoplug_query_context (GstElement * uridecodebin, GstPad * pad,
GstElement * element, GstQuery * query, GstSourceGroup * group)
{
GstElement *sink;
GstPad *sinkpad = NULL;
GstElementFactory *factory;
gboolean res = FALSE;
GST_SOURCE_GROUP_LOCK (group);
factory = gst_element_get_factory (element);
if (!factory)
goto done;
if (gst_element_factory_list_is_type (factory,
GST_ELEMENT_FACTORY_TYPE_MEDIA_VIDEO |
GST_ELEMENT_FACTORY_TYPE_MEDIA_IMAGE)) {
/* If this is from the subtitle uridecodebin we don't need to
* check the audio and video sink */
if (group->suburidecodebin
&& gst_object_has_ancestor (GST_OBJECT_CAST (pad),
GST_OBJECT_CAST (group->suburidecodebin))) {
goto done;
}
if ((sink = group->video_sink)) {
sinkpad = gst_element_get_static_pad (sink, "sink");
if (sinkpad) {
/* Ignore errors here, if a custom sink fails to go
* to READY things are wrong and will error out later
*/
if (GST_STATE (sink) < GST_STATE_READY)
gst_element_set_state (sink, GST_STATE_READY);
res = gst_pad_query (sinkpad, query);
gst_object_unref (sinkpad);
}
}
} else if (gst_element_factory_list_is_type (factory,
GST_ELEMENT_FACTORY_TYPE_MEDIA_AUDIO)) {
/* If this is from the subtitle uridecodebin we don't need to
* check the audio and video sink */
if (group->suburidecodebin
&& gst_object_has_ancestor (GST_OBJECT_CAST (pad),
GST_OBJECT_CAST (group->suburidecodebin))) {
goto done;
}
if ((sink = group->audio_sink)) {
sinkpad = gst_element_get_static_pad (sink, "sink");
if (sinkpad) {
/* Ignore errors here, if a custom sink fails to go
* to READY things are wrong and will error out later
*/
if (GST_STATE (sink) < GST_STATE_READY)
gst_element_set_state (sink, GST_STATE_READY);
res = gst_pad_query (sinkpad, query);
gst_object_unref (sinkpad);
}
}
} else if (gst_element_factory_list_is_type (factory,
GST_ELEMENT_FACTORY_TYPE_MEDIA_SUBTITLE)) {
if ((sink = group->playbin->text_sink)) {
sinkpad = gst_element_get_static_pad (sink, "sink");
if (sinkpad) {
/* Ignore errors here, if a custom sink fails to go
* to READY things are wrong and will error out later
*/
if (GST_STATE (sink) < GST_STATE_READY)
gst_element_set_state (sink, GST_STATE_READY);
res = gst_pad_query (sinkpad, query);
gst_object_unref (sinkpad);
}
}
} else {
goto done;
}
done:
GST_SOURCE_GROUP_UNLOCK (group);
return res;
}
static gboolean
autoplug_query_cb (GstElement * uridecodebin, GstPad * pad,
GstElement * element, GstQuery * query, GstSourceGroup * group)
@ -4280,6 +4367,8 @@ autoplug_query_cb (GstElement * uridecodebin, GstPad * pad,
switch (GST_QUERY_TYPE (query)) {
case GST_QUERY_CAPS:
return autoplug_query_caps (uridecodebin, pad, element, query, group);
case GST_QUERY_CONTEXT:
return autoplug_query_context (uridecodebin, pad, element, query, group);
default:
return FALSE;
}