[FFmpeg-cvslog] avcodec/av1dec: Return error for unsupported tile list OBU
Fei Wang
git at videolan.org
Thu Feb 29 07:44:46 EET 2024
ffmpeg | branch: master | Fei Wang <fei.w.wang at intel.com> | Thu Dec 28 09:24:03 2023 +0800| [57fbe929f368e65ff0bfaa3c1df5b1aa3b8b88db] | committer: Haihao Xiang
avcodec/av1dec: Return error for unsupported tile list OBU
Otherwise decoding maybe successful but output result is incorrect.
Signed-off-by: Fei Wang <fei.w.wang at intel.com>
> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=57fbe929f368e65ff0bfaa3c1df5b1aa3b8b88db
---
libavcodec/av1dec.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/libavcodec/av1dec.c b/libavcodec/av1dec.c
index d4bfa3c69c..820fa79f48 100644
--- a/libavcodec/av1dec.c
+++ b/libavcodec/av1dec.c
@@ -1202,6 +1202,12 @@ static int av1_receive_frame_internal(AVCodecContext *avctx, AVFrame *frame)
av_log(avctx, AV_LOG_DEBUG, "OBU idx:%d, type:%d, content available:%d.\n", i, unit->type, !!obu);
+ if (unit->type == AV1_OBU_TILE_LIST) {
+ av_log(avctx, AV_LOG_ERROR, "Large scale tile decoding is unsupported.\n");
+ ret = AVERROR_PATCHWELCOME;
+ goto end;
+ }
+
if (!obu)
continue;
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