There are frame droppings in frc while converting into a lower framerate,
and MSDK returns ERROR_MORE_DATA which should be ignored.
Reported-by: Gupta, Pallavi <pallavi.gu...@intel.com>
Signed-off-by: Linjie Fu <linjie...@intel.com>
---
Could be reproduced by:
ffmpeg -hwaccel qsv -c:v hevc_qsv -i input_25fps.h265
-vf vpp_qsv=framerate=20
-c:v hevc_qsv -b:v 4M 4M20FPS.mp4
libavfilter/vf_vpp_qsv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/libavfilter/vf_vpp_qsv.c b/libavfilter/vf_vpp_qsv.c
index 8585874..0218c2a 100644
--- a/libavfilter/vf_vpp_qsv.c
+++ b/libavfilter/vf_vpp_qsv.c
@@ -476,6 +476,9 @@ static int filter_frame(AVFilterLink *inlink, AVFrame
*picref)
if (vpp->qsv) {
ret = ff_qsvvpp_filter_frame(vpp->qsv, inlink, picref);
+ /* ignore the EAGAIN caused by frame dropping in frc */
+ if (ret == AVERROR(EAGAIN))
+ ret = av_cmp_q(vpp->framerate, inlink->frame_rate) < 0 ? 0 : ret;
av_frame_free(&picref);
} else {
if (picref->pts != AV_NOPTS_VALUE)
--
2.7.4
_______________________________________________
ffmpeg-devel mailing list
ffmpeg-devel@ffmpeg.org
https://ffmpeg.org/mailman/listinfo/ffmpeg-devel
To unsubscribe, visit link above, or email
ffmpeg-devel-requ...@ffmpeg.org with subject "unsubscribe".
