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v4l2videodec: Handle early task stop

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This commit is contained in:
Nicolas Dufresne 2014-05-23 17:54:20 -04:00 committed by Nicolas Dufresne
parent a65ab6378d
commit 3acbd9cb99
1 changed files with 16 additions and 1 deletions
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17
sys/v4l2/gstv4l2videodec.c
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@ -418,6 +418,20 @@ beach:
gst_pad_pause_task (decoder->srcpad);
}
static void
gst_v4l2_video_dec_loop_stopped (GstV4l2VideoDec * self)
{
/* When flushing, decoding thread may never run */
if (g_atomic_int_get (&self->processing)) {
GST_DEBUG_OBJECT (self, "Early stop of decoding thread");
self->output_flow = GST_FLOW_FLUSHING;
g_atomic_int_set (&self->processing, FALSE);
}
GST_DEBUG_OBJECT (self, "Decoding task destroyed: %s",
gst_flow_get_name (self->output_flow));
}
static GstFlowReturn
gst_v4l2_video_dec_handle_frame (GstVideoDecoder * decoder,
GstVideoCodecFrame * frame)
@ -517,7 +531,8 @@ gst_v4l2_video_dec_handle_frame (GstVideoDecoder * decoder,
* processing to unlock input if draining, or prevent potential block */
g_atomic_int_set (&self->processing, TRUE);
if (!gst_pad_start_task (decoder->srcpad,
(GstTaskFunction) gst_v4l2_video_dec_loop, self, NULL))
(GstTaskFunction) gst_v4l2_video_dec_loop, self,
(GDestroyNotify) gst_v4l2_video_dec_loop_stopped))
goto start_task_failed;
}