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| author | Mans Rullgard <mans@mansr.com> | 2012-10-26 21:43:55 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-10-27 17:02:46 +0100 |
| commit | 4471a2420717d8dc10b573cca50292d0d598d925 (patch) | |
| tree | 585615433848b8c92953b1a917ab6714facca271 | |
| parent | c4cccc8d3f6605c5fdd73723a865486c5b7fb117 (diff) | |
| download | ffmpeg-4471a2420717d8dc10b573cca50292d0d598d925.tar.gz | |
vp8: fix memset() crossing array boundary
Indexing across array boundaries is not allowed by C99.
Signed-off-by: Mans Rullgard <mans@mansr.com>
| -rw-r--r-- | libavcodec/vp8.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c index 2766c9e37c..d9902c4c48 100644 --- a/libavcodec/vp8.c +++ b/libavcodec/vp8.c @@ -1964,7 +1964,8 @@ static int vp8_decode_frame(AVCodecContext *avctx, void *data, int *data_size, // top edge of 127 for intra prediction if (!(avctx->flags & CODEC_FLAG_EMU_EDGE)) { s->top_border[0][15] = s->top_border[0][23] = 127; - memset(s->top_border[1]-1, 127, s->mb_width*sizeof(*s->top_border)+1); + s->top_border[0][31] = 127; + memset(s->top_border[1], 127, s->mb_width*sizeof(*s->top_border)); } memset(s->ref_count, 0, sizeof(s->ref_count)); |