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swscale/output: fix input indexing in yuv2ya8_2_c() 

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2015-07-04 00:03:18 +02:00
parent ab80d3fb3a
commit 8255b14c68
1 changed files with 2 additions and 2 deletions
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4
libswscale/output.c
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@ -1957,13 +1957,13 @@ yuv2ya8_2_c(SwsContext *c, const int16_t *buf[2],
int i;
for (i = 0; i < dstW; i++) {
int Y = (buf0[i * 2] * yalpha1 + buf1[i * 2] * yalpha) >> 19;
int Y = (buf0[i] * yalpha1 + buf1[i] * yalpha) >> 19;
int A;
Y = av_clip_uint8(Y);
if (hasAlpha) {
A = (abuf0[i * 2] * yalpha1 + abuf1[i * 2] * yalpha) >> 19;
A = (abuf0[i] * yalpha1 + abuf1[i] * yalpha) >> 19;
A = av_clip_uint8(A);
}