playbin2: Fix handling of non-raw custom sinks

When autoplugging elements in decodebin2, check if
the caps are supported by one of the sink before
continuing autoplugging.

Fixes bug #642174.
This commit is contained in:
Akihiro Tsukada 2011-02-15 17:24:28 +01:00 committed by Sebastian Dröge
parent fbf9729795
commit 555e338008

View file

@ -2930,7 +2930,7 @@ static gboolean
autoplug_continue_cb (GstElement * element, GstPad * pad, GstCaps * caps,
GstSourceGroup * group)
{
GstCaps *subcaps = NULL;
GstCaps *stopcaps = NULL;
gboolean ret = FALSE;
GstElement *text_sink;
GstPad *text_sinkpad = NULL;
@ -2942,26 +2942,66 @@ autoplug_continue_cb (GstElement * element, GstPad * pad, GstCaps * caps,
text_sinkpad = gst_element_get_static_pad (text_sink, "sink");
if (text_sinkpad) {
subcaps = gst_pad_get_caps_reffed (text_sinkpad);
stopcaps = gst_pad_get_caps_reffed (text_sinkpad);
gst_object_unref (text_sinkpad);
/* If the textsink claims to support ANY subcaps,
* go the save way and only use the plaintext caps */
if (gst_caps_is_any (subcaps)) {
if (gst_caps_is_any (stopcaps)) {
GST_WARNING_OBJECT (group->playbin, "Text sink '%s' accepts ANY caps",
GST_OBJECT_NAME (text_sink));
gst_caps_unref (subcaps);
subcaps = gst_static_caps_get (&sub_plaintext_caps);
gst_caps_unref (stopcaps);
stopcaps = gst_static_caps_get (&sub_plaintext_caps);
}
} else {
subcaps = gst_subtitle_overlay_create_factory_caps ();
stopcaps = gst_subtitle_overlay_create_factory_caps ();
}
if (text_sink)
gst_object_unref (text_sink);
ret = !gst_caps_can_intersect (subcaps, caps);
gst_caps_unref (subcaps);
GST_PLAY_BIN_LOCK (group->playbin);
GST_SOURCE_GROUP_LOCK (group);
if (group->playbin->audio_sink) {
GstCaps *audio_sinkcaps;
GstPad *audio_sinkpad = NULL;
audio_sinkpad =
gst_element_get_static_pad (group->playbin->audio_sink, "sink");
if (audio_sinkpad) {
audio_sinkcaps = gst_pad_get_caps (audio_sinkpad);
gst_object_unref (audio_sinkpad);
stopcaps = gst_caps_make_writable (stopcaps);
if (!gst_caps_is_any (audio_sinkcaps))
gst_caps_merge (stopcaps, audio_sinkcaps);
else
gst_caps_unref (audio_sinkcaps);
}
}
if (group->playbin->video_sink) {
GstCaps *video_sinkcaps;
GstPad *video_sinkpad = NULL;
video_sinkpad =
gst_element_get_static_pad (group->playbin->video_sink, "sink");
if (video_sinkpad) {
video_sinkcaps = gst_pad_get_caps (video_sinkpad);
gst_object_unref (video_sinkpad);
stopcaps = gst_caps_make_writable (stopcaps);
if (!gst_caps_is_any (video_sinkcaps))
gst_caps_merge (stopcaps, video_sinkcaps);
else
gst_caps_unref (video_sinkcaps);
}
}
GST_SOURCE_GROUP_UNLOCK (group);
GST_PLAY_BIN_UNLOCK (group->playbin);
ret = !gst_caps_can_intersect (stopcaps, caps);
gst_caps_unref (stopcaps);
GST_DEBUG_OBJECT (group->playbin,
"continue autoplugging group %p for %s:%s, %" GST_PTR_FORMAT ": %d",