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v4l2: bufferpool: don't forget to release buffer on error

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If the pool is stopped while gst_v4l2_buffer_pool_dqbuf() waits for a
buffer then the return value is GST_FLOW_FLUSHING. In this case the buffer
to queue must also be released. Otherwise is will never be deleted or
returned to its pool.

https://bugzilla.gnome.org/show_bug.cgi?id=703764
This commit is contained in:
Michael Olbrich 2013-07-05 11:51:04 +02:00 committed by Sebastian Dröge
parent 1a11a9be0c
commit 07e4dd3424
1 changed files with 3 additions and 1 deletions
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4
sys/v4l2/gstv4l2bufferpool.c
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@ -1262,8 +1262,10 @@ gst_v4l2_buffer_pool_process (GstV4l2BufferPool * pool, GstBuffer * buf)
/* all buffers are queued, try to dequeue one and release it back
* into the pool so that _acquire can get to it again. */
ret = gst_v4l2_buffer_pool_dqbuf (pool, &out);
if (ret != GST_FLOW_OK)
if (ret != GST_FLOW_OK) {
gst_buffer_unref (to_queue);
goto done;
}
/* release the rendered buffer back into the pool. This wakes up any
* thread waiting for a buffer in _acquire(). If the buffer still has