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playsink/streamsynchronizer: Remove and deactivate pads after calling the change_state function of the parent class

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Fixes some deadlocks.
This commit is contained in:
Sebastian Dröge 2010-07-16 18:51:35 +02:00
parent 1605bef4b9
commit a16024d9fb
2 changed files with 42 additions and 44 deletions
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62
gst/playback/gstplaysink.c
View file

@ -3078,36 +3078,7 @@ gst_play_sink_change_state (GstElement * element, GstStateChange transition)
do_async_start (playsink);
ret = GST_STATE_CHANGE_ASYNC;
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:{
if (playsink->video_sinkpad_stream_synchronizer) {
gst_element_release_request_pad (GST_ELEMENT_CAST
(playsink->stream_synchronizer),
playsink->video_sinkpad_stream_synchronizer);
gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
playsink->video_sinkpad_stream_synchronizer = NULL;
gst_object_unref (playsink->video_srcpad_stream_synchronizer);
playsink->video_srcpad_stream_synchronizer = NULL;
}
if (playsink->audio_sinkpad_stream_synchronizer) {
gst_element_release_request_pad (GST_ELEMENT_CAST
(playsink->stream_synchronizer),
playsink->audio_sinkpad_stream_synchronizer);
gst_object_unref (playsink->audio_sinkpad_stream_synchronizer);
playsink->audio_sinkpad_stream_synchronizer = NULL;
gst_object_unref (playsink->audio_srcpad_stream_synchronizer);
playsink->audio_srcpad_stream_synchronizer = NULL;
}
if (playsink->text_sinkpad_stream_synchronizer) {
gst_element_release_request_pad (GST_ELEMENT_CAST
(playsink->stream_synchronizer),
playsink->text_sinkpad_stream_synchronizer);
gst_object_unref (playsink->text_sinkpad_stream_synchronizer);
playsink->text_sinkpad_stream_synchronizer = NULL;
gst_object_unref (playsink->text_srcpad_stream_synchronizer);
playsink->text_srcpad_stream_synchronizer = NULL;
}
}
/* fall through */
case GST_STATE_CHANGE_PAUSED_TO_READY:
case GST_STATE_CHANGE_READY_TO_NULL:
if (playsink->audiochain && playsink->audiochain->sink_volume) {
/* remove our links to the mute and volume elements when they were
@ -3157,7 +3128,36 @@ gst_play_sink_change_state (GstElement * element, GstStateChange transition)
/* FIXME Release audio device when we implement that */
playsink->need_async_start = TRUE;
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
case GST_STATE_CHANGE_PAUSED_TO_READY:{
if (playsink->video_sinkpad_stream_synchronizer) {
gst_element_release_request_pad (GST_ELEMENT_CAST
(playsink->stream_synchronizer),
playsink->video_sinkpad_stream_synchronizer);
gst_object_unref (playsink->video_sinkpad_stream_synchronizer);
playsink->video_sinkpad_stream_synchronizer = NULL;
gst_object_unref (playsink->video_srcpad_stream_synchronizer);
playsink->video_srcpad_stream_synchronizer = NULL;
}
if (playsink->audio_sinkpad_stream_synchronizer) {
gst_element_release_request_pad (GST_ELEMENT_CAST
(playsink->stream_synchronizer),
playsink->audio_sinkpad_stream_synchronizer);
gst_object_unref (playsink->audio_sinkpad_stream_synchronizer);
playsink->audio_sinkpad_stream_synchronizer = NULL;
gst_object_unref (playsink->audio_srcpad_stream_synchronizer);
playsink->audio_srcpad_stream_synchronizer = NULL;
}
if (playsink->text_sinkpad_stream_synchronizer) {
gst_element_release_request_pad (GST_ELEMENT_CAST
(playsink->stream_synchronizer),
playsink->text_sinkpad_stream_synchronizer);
gst_object_unref (playsink->text_sinkpad_stream_synchronizer);
playsink->text_sinkpad_stream_synchronizer = NULL;
gst_object_unref (playsink->text_srcpad_stream_synchronizer);
playsink->text_srcpad_stream_synchronizer = NULL;
}
}
/* fall through */
case GST_STATE_CHANGE_READY_TO_NULL:
/* remove sinks we added */
if (playsink->videodeinterlacechain) {

24
gst/playback/gststreamsynchronizer.c
View file

@ -417,7 +417,8 @@ gst_stream_synchronizer_sink_event (GstPad * pad, GstEvent * event)
GST_TIME_ARGS (stream->segment.accum));
stream->running_time_diff = stream->segment.accum;
} else if (stream) {
GST_ERROR_OBJECT (pad, "Non-TIME segment");
GST_WARNING_OBJECT (pad, "Non-TIME segment: %s",
gst_format_get_name (format));
gst_segment_init (&stream->segment, GST_FORMAT_UNDEFINED);
}
GST_STREAM_SYNCHRONIZER_UNLOCK (self);
@ -634,8 +635,8 @@ gst_stream_synchronizer_release_stream (GstStreamSynchronizer * self,
gst_pad_set_element_private (stream->srcpad, NULL);
gst_pad_set_element_private (stream->sinkpad, NULL);
gst_pad_set_active (stream->srcpad, FALSE);
gst_pad_set_active (stream->sinkpad, FALSE);
gst_element_remove_pad (GST_ELEMENT_CAST (self), stream->srcpad);
gst_pad_set_active (stream->sinkpad, FALSE);
gst_element_remove_pad (GST_ELEMENT_CAST (self), stream->sinkpad);
if (stream->segment.format == GST_FORMAT_TIME) {
@ -689,21 +690,11 @@ gst_stream_synchronizer_change_state (GstElement * element,
break;
case GST_STATE_CHANGE_READY_TO_PAUSED:
GST_DEBUG_OBJECT (self, "State change READY->PAUSED");
self->group_start_time = 0;
break;
case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
GST_DEBUG_OBJECT (self, "State change PAUSED->PLAYING");
break;
case GST_STATE_CHANGE_READY_TO_NULL:{
GST_DEBUG_OBJECT (self, "State change READY->NULL");
GST_STREAM_SYNCHRONIZER_LOCK (self);
g_cond_broadcast (self->stream_finish_cond);
while (self->streams)
gst_stream_synchronizer_release_stream (self, self->streams->data);
self->current_stream_number = 0;
GST_STREAM_SYNCHRONIZER_UNLOCK (self);
break;
}
default:
break;
}
@ -741,6 +732,13 @@ gst_stream_synchronizer_change_state (GstElement * element,
}
case GST_STATE_CHANGE_READY_TO_NULL:{
GST_DEBUG_OBJECT (self, "State change READY->NULL");
GST_STREAM_SYNCHRONIZER_LOCK (self);
g_cond_broadcast (self->stream_finish_cond);
while (self->streams)
gst_stream_synchronizer_release_stream (self, self->streams->data);
self->current_stream_number = 0;
GST_STREAM_SYNCHRONIZER_UNLOCK (self);
break;
}
default: