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| author | Mans Rullgard <mans@mansr.com> | 2012-11-24 13:12:47 +0000 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2012-11-26 13:34:58 +0000 |
| commit | edd80ec7e32b097043432fa67281ed8c6d044331 (patch) | |
| tree | 74363f51838429ea8f94b54403b8448997882073 | |
| parent | dd3b73f3905c61c99f1d3fb58bc7ee380eb8aa2e (diff) | |
| download | ffmpeg-edd80ec7e32b097043432fa67281ed8c6d044331.tar.gz | |
aacdec: fix signed overflows in lcg_random()
Signed-off-by: Mans Rullgard <mans@mansr.com>
| -rw-r--r-- | libavcodec/aacdec.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/libavcodec/aacdec.c b/libavcodec/aacdec.c index d2a31cae0b..af17acfb75 100644 --- a/libavcodec/aacdec.c +++ b/libavcodec/aacdec.c @@ -787,7 +787,8 @@ static int decode_audio_specific_config(AACContext *ac, */ static av_always_inline int lcg_random(int previous_val) { - return previous_val * 1664525 + 1013904223; + union { unsigned u; int s; } v = { previous_val * 1664525u + 1013904223 }; + return v.s; } static av_always_inline void reset_predict_state(PredictorState *ps) |