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adder: Get collectpad stream lock when fowarding flush events

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Fixes #698410
This commit is contained in:
Thibault Saunier 2013-04-28 20:07:47 +02:00
parent 04a70ea835
commit 372eddf00e
1 changed files with 17 additions and 7 deletions
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24
gst/adder/gstadder.c
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@ -728,7 +728,9 @@ gst_adder_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
* forwarding the seek upstream or from gst_adder_collected,
* whichever happens first.
*/
g_atomic_int_set (&adder->flush_stop_pending, TRUE);
GST_COLLECT_PADS_STREAM_LOCK (adder->collect);
adder->flush_stop_pending = TRUE;
GST_COLLECT_PADS_STREAM_UNLOCK (adder->collect);
GST_DEBUG_OBJECT (adder, "mark pending flush stop event");
}
GST_DEBUG_OBJECT (adder, "handling seek event: %" GST_PTR_FORMAT, event);
@ -819,20 +821,27 @@ gst_adder_sink_event (GstCollectPads * pads, GstCollectData * pad,
}
case GST_EVENT_FLUSH_START:
/* ensure that we will send a flush stop */
g_atomic_int_set (&adder->flush_stop_pending, TRUE);
GST_COLLECT_PADS_STREAM_LOCK (adder->collect);
adder->flush_stop_pending = TRUE;
res = gst_collect_pads_event_default (pads, pad, event, discard);
event = NULL;
GST_COLLECT_PADS_STREAM_UNLOCK (adder->collect);
break;
case GST_EVENT_FLUSH_STOP:
/* we received a flush-stop. We will only forward it when
* flush_stop_pending is set, and we will unset it then.
*/
if (g_atomic_int_compare_and_exchange (&adder->flush_stop_pending,
TRUE, FALSE)) {
g_atomic_int_set (&adder->new_segment_pending, TRUE);
GST_COLLECT_PADS_STREAM_LOCK (adder->collect);
if (adder->flush_stop_pending) {
GST_DEBUG_OBJECT (pad->pad, "forwarding flush stop");
res = gst_collect_pads_event_default (pads, pad, event, discard);
adder->flush_stop_pending = FALSE;
event = NULL;
} else {
discard = TRUE;
GST_DEBUG_OBJECT (pad->pad, "eating flush stop");
}
GST_COLLECT_PADS_STREAM_UNLOCK (adder->collect);
/* Clear pending tags */
if (adder->pending_events) {
g_list_foreach (adder->pending_events, (GFunc) gst_event_unref, NULL);
@ -1116,12 +1125,13 @@ gst_adder_collected (GstCollectPads * pads, gpointer user_data)
if (G_UNLIKELY (adder->func == NULL))
goto not_negotiated;
if (g_atomic_int_compare_and_exchange (&adder->flush_stop_pending,
TRUE, FALSE)) {
if (adder->flush_stop_pending == TRUE) {
GST_INFO_OBJECT (adder->srcpad, "send pending flush stop event");
if (!gst_pad_push_event (adder->srcpad, gst_event_new_flush_stop (TRUE))) {
GST_WARNING_OBJECT (adder->srcpad, "Sending flush stop event failed");
}
adder->flush_stop_pending = FALSE;
}
if (adder->send_stream_start) {