[FFmpeg-cvslog] avcodec/qsv_enc: do not reuse enc_ctrl from previous frames
Xu Guangxin
git at videolan.org
Thu Sep 9 18:53:47 EEST 2021
ffmpeg | branch: master | Xu Guangxin <guangxin.xu at intel.com> | Wed Jan 6 11:12:34 2021 +0800| [3bbe0c210b05fc6fbd7b1d4bbd8479db7f2cf957] | committer: James Almer
avcodec/qsv_enc: do not reuse enc_ctrl from previous frames
fixes #8857
If we do not clear the enc_ctrl, we will reuse previous frames' data like FrameType.
Reviewed-by: Xiang, Haihao <haihao.xiang at intel.com>
Signed-off-by: James Almer <jamrial at gmail.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3bbe0c210b05fc6fbd7b1d4bbd8479db7f2cf957
---
libavcodec/qsvenc.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c
index 50ec7065ca..090fdbe75e 100644
--- a/libavcodec/qsvenc.c
+++ b/libavcodec/qsvenc.c
@@ -1271,6 +1271,8 @@ static void clear_unused_frames(QSVEncContext *q)
while (cur) {
if (cur->used && !cur->surface.Data.Locked) {
free_encoder_ctrl_payloads(&cur->enc_ctrl);
+ //do not reuse enc_ctrl from previous frame
+ memset(&cur->enc_ctrl, 0, sizeof(cur->enc_ctrl));
if (cur->frame->format == AV_PIX_FMT_QSV) {
av_frame_unref(cur->frame);
}
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