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| author | Michael Niedermayer <michaelni@gmx.at> | 2012-03-11 01:12:52 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2012-03-11 01:12:52 +0100 |
| commit | c3c2db49a7b10d0b57594332ee3c2cf4aa7552f2 (patch) | |
| tree | 917b2763af34e1b6ded7184a23a28ee1b6346e8b /libavcodec/cook.c | |
| parent | 6cb89df84596af0939a00496b381bcaa013ba929 (diff) | |
| parent | 442c3a8cb1785d74f8e2d7ab35b1862b7088436b (diff) | |
| download | ffmpeg-c3c2db49a7b10d0b57594332ee3c2cf4aa7552f2.tar.gz | |
Merge remote-tracking branch 'qatar/master'
* qatar/master:
cook: expand dither_tab[], and make sure indexes into it don't overflow.
xxan: reindent xan_unpack_luma().
xxan: protect against chroma LUT overreads.
xxan: convert to bytestream2 API.
xxan: don't read before start of buffer in av_memcpy_backptr().
vp8: convert mbedge loopfilter x86 assembly to use named arguments.
vp8: convert inner loopfilter x86 assembly to use named arguments.
Conflicts:
libavcodec/xxan.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/cook.c')
| -rw-r--r-- | libavcodec/cook.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libavcodec/cook.c b/libavcodec/cook.c index db4245c236..775cff5b91 100644 --- a/libavcodec/cook.c +++ b/libavcodec/cook.c @@ -514,7 +514,11 @@ static inline void expand_category(COOKContext *q, int *category, { int i; for (i = 0; i < q->num_vectors; i++) - ++category[category_index[i]]; + { + int idx = category_index[i]; + if (++category[idx] >= FF_ARRAY_ELEMS(dither_tab)) + --category[idx]; + } } /** |