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decodebin: Send sticky events to the new element after setting it to PAUSED

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... and if this fails for whatever reason we skip the element and instead
try with the next element. This allows us to handle elements that fail
when setting caps on them by just skipping to the next alternative element.
This commit is contained in:
Sebastian Dröge 2014-07-10 12:51:22 +02:00
parent 994680b04e
commit 57999c28fd
1 changed files with 36 additions and 1 deletions
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37
gst/playback/gstdecodebin2.c
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@ -1889,6 +1889,40 @@ remove_error_filter (GstDecodeBin * dbin, GstElement * element)
GST_OBJECT_UNLOCK (dbin);
}
typedef struct
{
gboolean ret;
GstPad *peer;
} SendStickyEventsData;
static gboolean
send_sticky_event (GstPad * pad, GstEvent ** event, gpointer user_data)
{
SendStickyEventsData *data = user_data;
gboolean ret;
ret = gst_pad_send_event (data->peer, gst_event_ref (*event));
if (!ret)
data->ret = FALSE;
return data->ret;
}
static gboolean
send_sticky_events (GstDecodeBin * dbin, GstPad * pad)
{
SendStickyEventsData data;
data.ret = TRUE;
data.peer = gst_pad_get_peer (pad);
gst_pad_sticky_events_foreach (pad, send_sticky_event, &data);
gst_object_unref (data.peer);
return data.ret;
}
/* connect_pad:
*
* Try to connect the given pad to an element created from one of the factories,
@ -2220,7 +2254,8 @@ connect_pad (GstDecodeBin * dbin, GstElement * src, GstDecodePad * dpad,
/* Bring the element to the state of the parent */
if ((gst_element_set_state (element,
GST_STATE_PAUSED)) == GST_STATE_CHANGE_FAILURE) {
GST_STATE_PAUSED)) == GST_STATE_CHANGE_FAILURE ||
!send_sticky_events (dbin, pad)) {
GstDecodeElement *dtmp = NULL;
GstElement *tmp = NULL;