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| author | Michael Niedermayer <michael@niedermayer.cc> | 2016-05-16 13:14:31 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2016-06-06 02:24:22 +0200 |
| commit | bacc4b6e8173fa944c24f297435dc507a60efb10 (patch) | |
| tree | 1e383d29b179794842bc27a2f240bbd5fb03a003 /libavcodec/lossless_audiodsp.c | |
| parent | 5a8b41b4a76fc6586ff6afff78e5f0aa7b25068a (diff) | |
| download | ffmpeg-streaming-bacc4b6e8173fa944c24f297435dc507a60efb10.zip ffmpeg-streaming-bacc4b6e8173fa944c24f297435dc507a60efb10.tar.gz | |
avcodec/wmalosslessdec: Use unsigned operations for overflowing cases
Fixes undefined behavior in fate-lossless-wma24-2
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
Diffstat (limited to 'libavcodec/lossless_audiodsp.c')
| -rw-r--r-- | libavcodec/lossless_audiodsp.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libavcodec/lossless_audiodsp.c b/libavcodec/lossless_audiodsp.c index e3ea8e1..3a9f9b2 100644 --- a/libavcodec/lossless_audiodsp.c +++ b/libavcodec/lossless_audiodsp.c @@ -45,9 +45,9 @@ static int32_t scalarproduct_and_madd_int32_c(int16_t *v1, const int32_t *v2, int res = 0; do { - res += *v1 * *v2++; + res += *v1 * (uint32_t)*v2++; *v1++ += mul * *v3++; - res += *v1 * *v2++; + res += *v1 * (uint32_t)*v2++; *v1++ += mul * *v3++; } while (order-=2); return res; |
