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| author | Michael Niedermayer <michael@niedermayer.cc> | 2020-02-16 20:18:11 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michael@niedermayer.cc> | 2020-05-19 17:17:36 +0200 |
| commit | 824c773263c7f749d815abc9948eac7a195a0514 (patch) | |
| tree | b3690ce88572b456ef73184a626f9072a5207ad7 | |
| parent | 83b2cc152d772d79141235233662b2080ec909c2 (diff) | |
| download | ffmpeg-824c773263c7f749d815abc9948eac7a195a0514.tar.gz | |
swscale/output: Fix integer overflow in alpha computation in yuv2gbrp16_full_X_c()
Fixes: signed integer overflow: 524280 * 4432 cannot be represented in type 'int'
Fixes: ticket8322
Found-by: Suhwan
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
(cherry picked from commit 49ba1879add99d3f64d70d34fb0255c8a49d4b28)
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
| -rw-r--r-- | libswscale/output.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/libswscale/output.c b/libswscale/output.c index 74d420e613..4f70b1e331 100644 --- a/libswscale/output.c +++ b/libswscale/output.c @@ -2275,7 +2275,7 @@ yuv2gbrp16_full_X_c(SwsContext *c, const int16_t *lumFilter, A = -0x40000000; for (j = 0; j < lumFilterSize; j++) - A += alpSrc[j][i] * lumFilter[j]; + A += alpSrc[j][i] * (unsigned)lumFilter[j]; A >>= 1; A += 0x20002000; |