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matroskademux: only unlock pad when it was locked

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This fixes the mutex being unlocked too much and ending up allowing
other threads when they should not.

https://bugzilla.gnome.org/show_bug.cgi?id=671776
This commit is contained in:
Vincent Penquerc'h 2012-03-10 13:44:08 +00:00 committed by Wim Taymans
parent 38372eb199
commit ee1be9236f
1 changed files with 8 additions and 2 deletions
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10
gst/matroska/matroska-demux.c
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@ -1910,6 +1910,7 @@ gst_matroska_demux_handle_seek_event (GstMatroskaDemux * demux,
GstMatroskaTrackContext *track = NULL;
GstSegment seeksegment = { 0, };
gboolean update = TRUE;
gboolean pad_locked = FALSE;
if (pad)
track = gst_pad_get_element_private (pad);
@ -2011,6 +2012,7 @@ next:
* forever. */
GST_DEBUG_OBJECT (demux, "Waiting for streaming to stop");
GST_PAD_STREAM_LOCK (demux->common.sinkpad);
pad_locked = TRUE;
/* pull mode without index can do some scanning */
if (!demux->streaming && !entry) {
@ -2093,13 +2095,17 @@ exit:
(GstTaskFunction) gst_matroska_demux_loop, demux->common.sinkpad);
/* streaming can continue now */
GST_PAD_STREAM_UNLOCK (demux->common.sinkpad);
if (pad_locked) {
GST_PAD_STREAM_UNLOCK (demux->common.sinkpad);
}
return TRUE;
seek_error:
{
GST_PAD_STREAM_UNLOCK (demux->common.sinkpad);
if (pad_locked) {
GST_PAD_STREAM_UNLOCK (demux->common.sinkpad);
}
GST_ELEMENT_ERROR (demux, STREAM, DEMUX, (NULL), ("Got a seek error"));
return FALSE;
}