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| author | Michael Niedermayer <michael@niedermayer.cc> | 2015-09-03 09:22:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2015-11-19 03:51:38 +0100 |
| commit | 3e9ccd001901a16ef82bf9ab0cf065ef098eedd5 (patch) | |
| tree | 3cf4b51510bfc8e6af600c272e92b7142b94640e /libswresample | |
| parent | fb84d92079afdccd8339824d86e6871404666923 (diff) | |
| download | ffmpeg-3e9ccd001901a16ef82bf9ab0cf065ef098eedd5.tar.gz | |
swresample/swresample: Fix integer overflow in seed calculation
Fixes CID1322333
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 32f53958b8f6ed4c3c2a7447c1e47d012796fae2)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libswresample')
| -rw-r--r-- | libswresample/swresample.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libswresample/swresample.c b/libswresample/swresample.c index 6689027e1a..f3c922bc26 100644 --- a/libswresample/swresample.c +++ b/libswresample/swresample.c @@ -643,7 +643,7 @@ static int swr_convert_internal(struct SwrContext *s, AudioData *out, int out_co return ret; if(ret) for(ch=0; ch<s->dither.noise.ch_count; ch++) - if((ret=swri_get_dither(s, s->dither.noise.ch[ch], s->dither.noise.count, 12345678913579<<ch, s->dither.noise.fmt))<0) + if((ret=swri_get_dither(s, s->dither.noise.ch[ch], s->dither.noise.count, (12345678913579ULL*ch + 3141592) % 2718281828U, s->dither.noise.fmt))<0) return ret; av_assert0(s->dither.noise.ch_count == preout->ch_count); |