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parsebin: Ensure StreamType and Caps of GstStream object before exposing it

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The final StreamType and Caps might not be set yet on GstStream at exposing the pads.

https://bugzilla.gnome.org/show_bug.cgi?id=785120
This commit is contained in:
Seungha Yang 2017-07-19 18:47:29 +09:00 committed by Edward Hervey
parent 7a236e2302
commit abe1183c17
1 changed files with 15 additions and 0 deletions
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15
gst/playback/gstparsebin.c
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@ -279,6 +279,7 @@ static void gst_parse_pad_update_stream_collection (GstParsePad * parsepad,
GstStreamCollection * collection);
static GstCaps *get_pad_caps (GstPad * pad);
static GstStreamType guess_stream_type_from_caps (GstCaps * caps);
#define EXPOSE_LOCK(parsebin) G_STMT_START { \
GST_LOG_OBJECT (parsebin, \
@ -3707,6 +3708,20 @@ build_fallback_collection (GstParseChain * chain,
if (p->active_stream != NULL && p->active_collection == NULL) {
GST_DEBUG_OBJECT (p, "Adding stream to fallback collection");
if (G_UNLIKELY (gst_stream_get_stream_type (p->active_stream) ==
GST_STREAM_TYPE_UNKNOWN)) {
GstCaps *caps;
caps = get_pad_caps (GST_PAD_CAST (p));
if (caps) {
GstStreamType type = guess_stream_type_from_caps (caps);
if (type != GST_STREAM_TYPE_UNKNOWN) {
gst_stream_set_stream_type (p->active_stream, type);
gst_stream_set_caps (p->active_stream, caps);
}
gst_caps_unref (caps);
}
}
gst_stream_collection_add_stream (collection,
gst_object_ref (p->active_stream));
p->in_a_fallback_collection = TRUE;