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playbin2: Optimize autoplug-continue handler a bit

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Don't build merge the caps of all sinks but check them one-by-one
until one supports the caps. Also get reffed caps from the sinkpads
instead of a writable copy and add debug output if a sink claims to
support ANY caps.
This commit is contained in:
Sebastian Dröge 2011-02-15 17:46:22 +01:00
parent 555e338008
commit 140dca43f3
1 changed files with 67 additions and 58 deletions
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125
gst/playback/gstplaybin2.c
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@ -2930,79 +2930,88 @@ static gboolean
autoplug_continue_cb (GstElement * element, GstPad * pad, GstCaps * caps,
GstSourceGroup * group)
{
GstCaps *stopcaps = NULL;
gboolean ret = FALSE;
GstElement *text_sink;
GstPad *text_sinkpad = NULL;
text_sink =
(group->playbin->text_sink) ? gst_object_ref (group->
playbin->text_sink) : NULL;
if (text_sink)
text_sinkpad = gst_element_get_static_pad (text_sink, "sink");
if (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 (stopcaps)) {
GST_WARNING_OBJECT (group->playbin, "Text sink '%s' accepts ANY caps",
GST_OBJECT_NAME (text_sink));
gst_caps_unref (stopcaps);
stopcaps = gst_static_caps_get (&sub_plaintext_caps);
}
} else {
stopcaps = gst_subtitle_overlay_create_factory_caps ();
}
if (text_sink)
gst_object_unref (text_sink);
GstElement *sink;
GstPad *sinkpad = NULL;
GstCaps *sinkcaps = NULL;
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);
if ((sink = group->playbin->text_sink))
sinkpad = gst_element_get_static_pad (sink, "sink");
if (sinkpad) {
sinkcaps = gst_pad_get_caps_reffed (sinkpad);
gst_object_unref (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 the textsink claims to support ANY subcaps,
* go the safe way and only use the plaintext caps */
if (gst_caps_is_any (sinkcaps)) {
GST_WARNING_OBJECT (group->playbin, "Text sink '%s' accepts ANY caps",
GST_OBJECT_NAME (sink));
gst_caps_unref (sinkcaps);
sinkcaps = gst_static_caps_get (&sub_plaintext_caps);
}
} else {
sinkcaps = gst_subtitle_overlay_create_factory_caps ();
}
ret = !gst_caps_can_intersect (caps, sinkcaps);
gst_caps_unref (sinkcaps);
sinkcaps = NULL;
if (!ret)
goto done;
if ((sink = group->playbin->audio_sink)) {
sinkpad = gst_element_get_static_pad (sink, "sink");
if (sinkpad) {
sinkcaps = gst_pad_get_caps_reffed (sinkpad);
gst_object_unref (sinkpad);
/* If the audio sink claims to support ANY caps go
* the safe way and only use the raw audio caps
* that decodebin2 already has */
if (gst_caps_is_any (sinkcaps)) {
GST_WARNING_OBJECT (group->playbin, "Audio sink '%s' accepts ANY caps",
GST_OBJECT_NAME (sink));
gst_caps_unref (sinkcaps);
sinkcaps = NULL;
}
}
}
if (sinkcaps) {
ret = !gst_caps_can_intersect (caps, sinkcaps);
gst_caps_unref (sinkcaps);
sinkcaps = NULL;
}
if (!ret)
goto done;
if (group->playbin->video_sink) {
GstCaps *video_sinkcaps;
GstPad *video_sinkpad = NULL;
if ((sink = group->playbin->video_sink)) {
sinkpad = gst_element_get_static_pad (sink, "sink");
if (sinkpad) {
sinkcaps = gst_pad_get_caps_reffed (sinkpad);
gst_object_unref (sinkpad);
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);
/* If the video sink claims to support ANY caps go
* the safe way and only use the raw video caps
* that decodebin2 already has */
if (gst_caps_is_any (sinkcaps)) {
GST_WARNING_OBJECT (group->playbin, "Video sink '%s' accepts ANY caps",
GST_OBJECT_NAME (sink));
gst_caps_unref (sinkcaps);
sinkcaps = NULL;
}
}
}
if (sinkcaps) {
ret = !gst_caps_can_intersect (caps, sinkcaps);
gst_caps_unref (sinkcaps);
}
done:
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",
group, GST_DEBUG_PAD_NAME (pad), caps, ret);