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adder: send a flush event before trying to get the stream lock

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This avoids hanging when the streaming thread is busy in _chain
waiting for preroll.

https://bugzilla.gnome.org/show_bug.cgi?id=666379
This commit is contained in:
Vincent Penquerc'h 2011-12-16 17:25:10 +00:00
parent 229377fb6b
commit bcaf5890aa
1 changed files with 6 additions and 4 deletions
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10
gst/adder/gstadder.c
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@ -660,12 +660,14 @@ gst_adder_src_event (GstPad * pad, GstEvent * event)
/* check if we are flushing */
if (flush) {
/* make sure we accept nothing anymore and return WRONG_STATE */
gst_collect_pads2_set_flushing (adder->collect, TRUE);
/* flushing seek, start flush downstream, the flush will be done
* when all pads received a FLUSH_STOP. */
* when all pads received a FLUSH_STOP.
* Make sure we accept nothing anymore and return WRONG_STATE.
* We send a flush-start before, to ensure no streaming is done
* as we need to take the stream lock.
*/
gst_pad_push_event (adder->srcpad, gst_event_new_flush_start ());
gst_collect_pads2_set_flushing (adder->collect, TRUE);
/* We can't send FLUSH_STOP here since upstream could start pushing data
* after we unlock adder->collect.