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| author | Mans Rullgard <mans@mansr.com> | 2011-10-21 20:36:11 +0100 |
|---|---|---|
| committer | Mans Rullgard <mans@mansr.com> | 2011-10-21 20:56:59 +0100 |
| commit | 41ac093f7e315e3af17612f580c387b3688f4f43 (patch) | |
| tree | 4816dd5f0a4a4a539212502ca82873c58ee95691 | |
| parent | 5dd35b43f1cd3dddaddaae8e2f267117b5fa2d54 (diff) | |
| download | ffmpeg-41ac093f7e315e3af17612f580c387b3688f4f43.tar.gz | |
swscale: fix signed shift overflows in ff_yuv2rgb_c_init_tables()
Signed-off-by: Mans Rullgard <mans@mansr.com>
| -rw-r--r-- | libswscale/yuv2rgb.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/libswscale/yuv2rgb.c b/libswscale/yuv2rgb.c index cad09338d3..39c8b9c6fb 100644 --- a/libswscale/yuv2rgb.c +++ b/libswscale/yuv2rgb.c @@ -788,8 +788,8 @@ av_cold int ff_yuv2rgb_c_init_tables(SwsContext *c, const int inv_table[4], int y_table32 = c->yuvTable; yb = -(384<<16) - oy; for (i = 0; i < 1024; i++) { - uint8_t yval = av_clip_uint8((yb + 0x8000) >> 16); - y_table32[i ] = (yval << rbase) + (needAlpha ? 0 : (255 << abase)); + unsigned yval = av_clip_uint8((yb + 0x8000) >> 16); + y_table32[i ] = (yval << rbase) + (needAlpha ? 0 : (255u << abase)); y_table32[i+1024] = yval << gbase; y_table32[i+2048] = yval << bbase; yb += cy; |