diff options
| author | Michael Niedermayer <michaelni@gmx.at> | 2011-04-01 12:46:36 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2011-04-01 12:49:52 +0200 |
| commit | 676d380f2adda2fdd5170e89b95bb9a112c3d18f (patch) | |
| tree | c9625e7da96de3188f40bf132fb60c4a46caa21b /libavcodec/bitstream.c | |
| parent | 7ac167493e5404fd2d3f307d02127f23fca970f0 (diff) | |
Fix undefined behavior in ffv1 with insane widths.
The new tables is large enough to prevent this together with our image size checks.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/bitstream.c')
| -rw-r--r-- | libavcodec/bitstream.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/libavcodec/bitstream.c b/libavcodec/bitstream.c index 83f30f9799..8fd44e3d78 100644 --- a/libavcodec/bitstream.c +++ b/libavcodec/bitstream.c @@ -32,11 +32,13 @@ #include "get_bits.h" #include "put_bits.h" -const uint8_t ff_log2_run[32]={ +const uint8_t ff_log2_run[41]={ 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 5, 6, 6, 7, 7, - 8, 9,10,11,12,13,14,15 + 8, 9,10,11,12,13,14,15, +16,17,18,19,20,21,22,23, +24, }; void align_put_bits(PutBitContext *s) |