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sws/output: yuv2rgb_write() assert that alpha has the correct value in the tables 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-18 15:08:55 +02:00
parent d91e44301c
commit e1efacf60b
1 changed files with 6 additions and 0 deletions
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6
libswscale/output.c
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@ -1149,9 +1149,15 @@ yuv2rgb_write(uint8_t *_dest, int i, int Y1, int Y2,
if (hasAlpha) {
int sh = (target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24;
av_assert2((((r[Y1] + g[Y1] + b[Y1]) >> sh) & 0xFF) == 0);
dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1] + (A1 << sh);
dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2] + (A2 << sh);
} else {
#if ASSERT_LEVEL > 1
int sh = (target == AV_PIX_FMT_RGB32_1 || target == AV_PIX_FMT_BGR32_1) ? 0 : 24;
av_assert2((((r[Y1] + g[Y1] + b[Y1]) >> sh) & 0xFF) == 0xFF);
#endif
dest[i * 2 + 0] = r[Y1] + g[Y1] + b[Y1];
dest[i * 2 + 1] = r[Y2] + g[Y2] + b[Y2];
}