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hlsdemux: Fix lots of deadlocks caused by race conditions in the task state handling

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Sebastian Dröge 2012-10-15 09:24:01 +02:00
parent 6d0d209a28
commit ca57dd81e4
1 changed files with 17 additions and 1 deletions
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18
gst/hls/gsthlsdemux.c
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@ -126,6 +126,8 @@ gst_hls_demux_dispose (GObject * obj)
if (GST_TASK_STATE (demux->stream_task) != GST_TASK_STOPPED) {
GST_DEBUG_OBJECT (demux, "Leaving streaming task");
gst_task_stop (demux->stream_task);
g_static_rec_mutex_lock (&demux->stream_lock);
g_static_rec_mutex_unlock (&demux->stream_lock);
gst_task_join (demux->stream_task);
}
gst_object_unref (demux->stream_task);
@ -137,6 +139,9 @@ gst_hls_demux_dispose (GObject * obj)
if (GST_TASK_STATE (demux->updates_task) != GST_TASK_STOPPED) {
GST_DEBUG_OBJECT (demux, "Leaving updates task");
gst_task_stop (demux->updates_task);
GST_TASK_SIGNAL (demux->updates_task);
g_static_rec_mutex_lock (&demux->updates_lock);
g_static_rec_mutex_unlock (&demux->updates_lock);
gst_task_join (demux->updates_task);
}
gst_object_unref (demux->updates_task);
@ -316,6 +321,9 @@ gst_hls_demux_change_state (GstElement * element, GstStateChange transition)
switch (transition) {
case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
gst_task_stop (demux->updates_task);
GST_TASK_SIGNAL (demux->updates_task);
g_static_rec_mutex_lock (&demux->updates_lock);
g_static_rec_mutex_unlock (&demux->updates_lock);
break;
case GST_STATE_CHANGE_PAUSED_TO_READY:
demux->cancelled = TRUE;
@ -397,6 +405,9 @@ gst_hls_demux_src_event (GstPad * pad, GstObject * parent, GstEvent * event)
gst_task_pause (demux->stream_task);
gst_uri_downloader_cancel (demux->downloader);
gst_task_stop (demux->updates_task);
GST_TASK_SIGNAL (demux->updates_task);
g_static_rec_mutex_lock (&demux->updates_lock);
g_static_rec_mutex_unlock (&demux->updates_lock);
gst_task_pause (demux->stream_task);
/* wait for streaming to finish */
@ -592,10 +603,15 @@ gst_hls_demux_stop (GstHLSDemux * demux)
demux->stop_stream_task = TRUE;
gst_task_stop (demux->updates_task);
GST_TASK_SIGNAL (demux->updates_task);
g_static_rec_mutex_lock (&demux->updates_lock);
g_static_rec_mutex_unlock (&demux->updates_lock);
}
if (GST_TASK_STATE (demux->stream_task) != GST_TASK_STOPPED)
if (GST_TASK_STATE (demux->stream_task) != GST_TASK_STOPPED) {
gst_task_stop (demux->stream_task);
g_static_rec_mutex_lock (&demux->stream_lock);
g_static_rec_mutex_unlock (&demux->stream_lock);
}
}
static void