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| author | Michael Niedermayer <michael@niedermayer.cc> | 2018-04-11 19:50:52 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2018-04-13 21:46:42 +0200 |
| commit | 544324827e0131e43af1a54fb790a48a25fd7ba4 (patch) | |
| tree | 456650cc22749df8d91e3e0421e949b400e16216 /libavcodec | |
| parent | f6304af2341d0cee51c2116766622e3ac567b7a0 (diff) | |
| download | ffmpeg-544324827e0131e43af1a54fb790a48a25fd7ba4.tar.gz | |
avcodec/utils: Enforce minimum width also for VP5/6
Fixes: out of array access
Fixes: poc_0411
Found-by: GwanYeong Kim <gy741.kim@gmail.com>
Tested-by: GwanYeong Kim <gy741.kim@gmail.com>
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec')
| -rw-r--r-- | libavcodec/utils.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/libavcodec/utils.c b/libavcodec/utils.c index 8c7d056da6..59d41ccbb6 100644 --- a/libavcodec/utils.c +++ b/libavcodec/utils.c @@ -312,7 +312,10 @@ void avcodec_align_dimensions2(AVCodecContext *s, int *width, int *height, *width = FFALIGN(*width, w_align); *height = FFALIGN(*height, h_align); - if (s->codec_id == AV_CODEC_ID_H264 || s->lowres) { + if (s->codec_id == AV_CODEC_ID_H264 || s->lowres || + s->codec_id == AV_CODEC_ID_VP5 || s->codec_id == AV_CODEC_ID_VP6 || + s->codec_id == AV_CODEC_ID_VP6F || s->codec_id == AV_CODEC_ID_VP6A + ) { // some of the optimized chroma MC reads one line too much // which is also done in mpeg decoders with lowres > 0 *height += 2; |