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v4l2videodec: Fix missing handling of resolution-change

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The pool process function may poll and get the resolution-change event
whenever it is not possible to share our buffers. This typically happen
when downstream does not support GstVideoMeta.

Not handling this would cause the decoder thread to exit silently and the
pipeline to stall.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2457>
This commit is contained in:
Nicolas Dufresne 2022-05-19 16:33:47 -04:00 committed by GStreamer Marge Bot
parent 4e441417b8
commit 6d6ebbbb36
1 changed files with 6 additions and 0 deletions
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6
subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c
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@ -699,6 +699,12 @@ gst_v4l2_video_dec_loop (GstVideoDecoder * decoder)
GST_LOG_OBJECT (decoder, "Process output buffer");
ret = gst_v4l2_buffer_pool_process (v4l2_pool, &buffer, NULL);
if (ret == GST_V4L2_FLOW_RESOLUTION_CHANGE) {
GST_INFO_OBJECT (decoder, "Received resolution change");
g_atomic_int_set (&self->capture_configuration_change, TRUE);
return;
}
} while (ret == GST_V4L2_FLOW_CORRUPTED_BUFFER);
if (ret != GST_FLOW_OK)