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decklinkvideosink: Fix deadlock

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This commit is contained in:
Sebastian Dröge 2015-01-28 16:58:27 +01:00
parent 4eb5cd9156
commit 837eee7085
1 changed files with 8 additions and 2 deletions
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10
sys/decklink/gstdecklinkvideosink.cpp
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@ -580,6 +580,9 @@ gst_decklink_video_sink_start_scheduled_playback (GstElement * element)
|| self->output->audio_enabled)
&& (GST_STATE (self) == GST_STATE_PLAYING
|| GST_STATE_PENDING (self) == GST_STATE_PLAYING)) {
// Need to unlock to get the clock time
g_mutex_unlock (&self->output->lock);
// FIXME: start time is the same for the complete pipeline,
// but what we need here is the start time of this element!
start_time = gst_element_get_base_time (element);
@ -603,14 +606,17 @@ gst_decklink_video_sink_start_scheduled_playback (GstElement * element)
convert_to_internal_clock (self, &start_time, NULL);
g_mutex_lock (&self->output->lock);
// Check if someone else started in the meantime
if (self->output->started)
return;
active = false;
self->output->output->IsScheduledPlaybackRunning (&active);
if (active) {
GST_DEBUG_OBJECT (self, "Stopping scheduled playback");
g_mutex_lock (&self->output->lock);
self->output->started = FALSE;
g_mutex_unlock (&self->output->lock);
res = self->output->output->StopScheduledPlayback (0, 0, 0);
if (res != S_OK) {