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v4l2videodec: add cap negotiation fail check in the capture configuration change

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The capture configuration change may cause negotiation fail.
Need to check it to avoid enter the endless loop.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/2960>
This commit is contained in:
Elliot Chen 2022-08-31 11:13:06 +08:00 committed by GStreamer Marge Bot
parent a8387fdc6b
commit e76e98d109
1 changed files with 9 additions and 1 deletions
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10
subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c
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@ -684,7 +684,15 @@ gst_v4l2_video_dec_loop (GstVideoDecoder * decoder)
ret = gst_v4l2_video_dec_setup_capture (decoder);
if (ret != GST_FLOW_OK) {
GST_VIDEO_DECODER_STREAM_UNLOCK (decoder);
return;
/* if caps negotiation failed, avoid trying it repeatly */
if (ret == GST_FLOW_NOT_NEGOTIATED) {
GST_ERROR_OBJECT (decoder,
"capture configuration change fail, return negotiation fail");
goto beach;
} else {
return;
}
}
g_atomic_int_set (&self->capture_configuration_change, FALSE);
}