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v4l2videodec: safely retrun from video_dec_loop with stream unlock

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This is to avoid decoder hang when doing trick play between
different resolutions.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1960>
This commit is contained in:
Hou Qi 2022-03-15 09:49:59 +08:00 committed by GStreamer Marge Bot
parent 5ca39060f4
commit 738dbf1cb7
1 changed files with 3 additions and 1 deletions
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4
subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c
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@ -655,8 +655,10 @@ gst_v4l2_video_dec_loop (GstVideoDecoder * decoder)
if (g_atomic_int_get (&self->capture_configuration_change)) {
gst_v4l2_object_stop (self->v4l2capture);
ret = gst_v4l2_video_dec_setup_capture (decoder);
if (ret != GST_FLOW_OK)
if (ret != GST_FLOW_OK) {
GST_VIDEO_DECODER_STREAM_UNLOCK (decoder);
return;
}
g_atomic_int_set (&self->capture_configuration_change, FALSE);
}
GST_VIDEO_DECODER_STREAM_UNLOCK (decoder);