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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-30 18:12:42 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-30 18:14:39 +0100 |
| commit | b926cc7834d5bc998775528097831c0fbcf3730a (patch) | |
| tree | ca1bea57e69af6ee2b51298e165d964ec7f6b75b | |
| parent | 32de2831036ae0ecdfa7bfdb3d59c1ae2095bbc8 (diff) | |
| download | ffmpeg-b926cc7834d5bc998775528097831c0fbcf3730a.tar.gz | |
mss3: prevent AC state from becoming invalid in rac_normalise()
Fixes division by zero
Found-by: Mateusz "j00ru" Jurczyk and Gynvael Coldwind
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
| -rw-r--r-- | libavcodec/mss3.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libavcodec/mss3.c b/libavcodec/mss3.c index 545fefc47a..d5bb2d4e35 100644 --- a/libavcodec/mss3.c +++ b/libavcodec/mss3.c @@ -295,7 +295,7 @@ static void rac_normalise(RangeCoder *c) c->low |= *c->src++; } else if (!c->low) { c->got_error = 1; - return; + c->low = 1; } if (c->range >= RAC_BOTTOM) return; |