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playbin: Emit {audio,text,video}-changed signals when pads are removed

Browse source 
https://bugzilla.gnome.org/show_bug.cgi?id=702195
This commit is contained in:
Brendan Long 2013-06-13 11:08:20 -06:00 committed by Sebastian Dröge
parent eb09e561c4
commit b5f7a621bb
1 changed files with 23 additions and 4 deletions
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27
gst/playback/gstplaybin2.c
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@ -3182,6 +3182,7 @@ pad_removed_cb (GstElement * decodebin, GstPad * pad, GstSourceGroup * group)
GstPad *peer;
GstElement *combiner;
GstSourceCombine *combine;
int signal = -1;
playbin = group->playbin;
@ -3218,6 +3219,23 @@ pad_removed_cb (GstElement * decodebin, GstPad * pad, GstSourceGroup * group)
g_ptr_array_remove (combine->channels, peer);
GST_DEBUG_OBJECT (playbin, "pad %p removed from array", peer);
/* get the correct type-changed signal */
switch (combine->type) {
case GST_PLAY_SINK_TYPE_VIDEO:
case GST_PLAY_SINK_TYPE_VIDEO_RAW:
signal = SIGNAL_VIDEO_CHANGED;
break;
case GST_PLAY_SINK_TYPE_AUDIO:
case GST_PLAY_SINK_TYPE_AUDIO_RAW:
signal = SIGNAL_AUDIO_CHANGED;
break;
case GST_PLAY_SINK_TYPE_TEXT:
signal = SIGNAL_TEXT_CHANGED;
break;
default:
signal = -1;
}
if (!combine->channels->len && combine->combiner) {
GST_DEBUG_OBJECT (playbin, "all combiner sinkpads removed");
GST_DEBUG_OBJECT (playbin, "removing combiner %p", combine->combiner);
@ -3249,20 +3267,21 @@ pad_removed_cb (GstElement * decodebin, GstPad * pad, GstSourceGroup * group)
exit:
GST_SOURCE_GROUP_UNLOCK (group);
if (signal >= 0)
g_signal_emit (G_OBJECT (playbin), gst_play_bin_signals[signal], 0, NULL);
return;
/* ERRORS */
not_linked:
{
GST_DEBUG_OBJECT (playbin, "pad not linked");
GST_SOURCE_GROUP_UNLOCK (group);
return;
goto exit;
}
no_combiner:
{
GST_DEBUG_OBJECT (playbin, "combiner not found");
GST_SOURCE_GROUP_UNLOCK (group);
return;
goto exit;
}
}