rtspclientsink: fix possible shutdown deadlock collect_streams()

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1696>
This commit is contained in:
Pierre Bourré 2022-02-15 13:39:43 +00:00 committed by GStreamer Marge Bot
parent 4ef3b1ad8f
commit 4ac544d5aa

View file

@ -3601,6 +3601,18 @@ request_fec_encoder (GstElement * rtpbin, guint sessid,
return ret;
}
static gboolean
gst_rtsp_client_sink_is_stopping (GstRTSPClientSink * sink)
{
gboolean is_stopping;
GST_OBJECT_LOCK (sink);
is_stopping = sink->task == NULL;
GST_OBJECT_UNLOCK (sink);
return is_stopping;
}
static gboolean
gst_rtsp_client_sink_collect_streams (GstRTSPClientSink * sink)
{
@ -3640,7 +3652,8 @@ gst_rtsp_client_sink_collect_streams (GstRTSPClientSink * sink)
continue;
g_mutex_lock (&sink->preroll_lock);
while (!context->prerolled && !sink->conninfo.flushing) {
while (!context->prerolled && !sink->conninfo.flushing
&& !gst_rtsp_client_sink_is_stopping (sink)) {
GST_DEBUG_OBJECT (sink, "Waiting for caps on stream %d", context->index);
g_cond_wait (&sink->preroll_cond, &sink->preroll_lock);
}
@ -4374,18 +4387,6 @@ done:
return res;
}
static gboolean
gst_rtsp_client_sink_is_stopping (GstRTSPClientSink * sink)
{
gboolean is_stopping;
GST_OBJECT_LOCK (sink);
is_stopping = sink->task == NULL;
GST_OBJECT_UNLOCK (sink);
return is_stopping;
}
static GstRTSPResult
gst_rtsp_client_sink_record (GstRTSPClientSink * sink, gboolean async)
{
@ -4989,6 +4990,10 @@ gst_rtsp_client_sink_stop (GstRTSPClientSink * sink)
g_cond_broadcast (&sink->block_streams_cond);
g_mutex_unlock (&sink->block_streams_lock);
g_mutex_lock (&sink->preroll_lock);
g_cond_broadcast (&sink->preroll_cond);
g_mutex_unlock (&sink->preroll_lock);
/* make sure it is not running */
GST_RTSP_STREAM_LOCK (sink);
GST_RTSP_STREAM_UNLOCK (sink);