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decodebin2: forward all sticky events to decodepad

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Forward all sticky events to the decodepad before exposing the pads. This makes
sure all sticky events are on the exposed pad.

Fixes https://bugzilla.gnome.org/show_bug.cgi?id=696915
This commit is contained in:
Wim Taymans 2013-04-04 15:00:52 +02:00
parent c082c06b6c
commit 92b77c5aa4
1 changed files with 20 additions and 13 deletions
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33
gst/playback/gstdecodebin2.c
View file

@ -3976,23 +3976,34 @@ source_pad_blocked_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
GstDecodePad *dpad = user_data;
GstDecodeChain *chain;
GstDecodeBin *dbin;
GstPadProbeReturn ret = GST_PAD_PROBE_OK;
if (GST_PAD_PROBE_INFO_TYPE (info) & GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) {
GstEvent *event = GST_PAD_PROBE_INFO_EVENT (info);
GST_LOG_OBJECT (pad, "Seeing event '%s'", GST_EVENT_TYPE_NAME (event));
if (GST_EVENT_TYPE (event) == GST_EVENT_CAPS) {
/* manually push event to ghost pad to avoid exposing pads
* that don't have the sticky caps event */
gst_pad_push_event (GST_PAD_CAST (dpad), gst_event_ref (event));
} else if ((GST_EVENT_IS_STICKY (event)
|| !GST_EVENT_IS_SERIALIZED (event))) {
if (!GST_EVENT_IS_SERIALIZED (event)) {
/* do not block on sticky or out of band events otherwise the allocation query
from demuxer might block the loop thread */
GST_LOG_OBJECT (pad, "Letting event through");
GST_LOG_OBJECT (pad, "Letting OOB event through");
return GST_PAD_PROBE_PASS;
}
if (GST_EVENT_IS_STICKY (event)) {
/* manually push sticky events to ghost pad to avoid exposing pads
* that don't have the sticky events */
gst_pad_push_event (GST_PAD_CAST (dpad), gst_event_ref (event));
/* let the sticky events pass */
ret = GST_PAD_PROBE_PASS;
/* we only want to try to expose on CAPS events */
if (GST_EVENT_TYPE (event) != GST_EVENT_CAPS) {
GST_LOG_OBJECT (pad, "Letting sticky non-CAPS event through");
goto done;
}
}
}
chain = dpad->chain;
dbin = chain->dbin;
@ -4008,12 +4019,8 @@ source_pad_blocked_cb (GstPad * pad, GstPadProbeInfo * info, gpointer user_data)
}
EXPOSE_UNLOCK (dbin);
/* If we unblocked due to a caps event, let it go through */
if ((GST_PAD_PROBE_INFO_TYPE (info) & GST_PAD_PROBE_TYPE_EVENT_DOWNSTREAM) &&
(GST_EVENT_TYPE (GST_PAD_PROBE_INFO_EVENT (info)) == GST_EVENT_CAPS))
return GST_PAD_PROBE_PASS;
return GST_PAD_PROBE_OK;
done:
return ret;
}
static GstPadProbeReturn