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swscale: fix incorrect chroma bias in yuv2rgb48_1_c().

This commit is contained in:
Ronald S. Bultje 2012-02-12 15:55:44 -08:00
parent 1ca7dc60d2
commit d63b7d8c37
1 changed files with 2 additions and 2 deletions
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4
libswscale/output.c
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@ -810,8 +810,8 @@ yuv2rgb48_1_c_template(SwsContext *c, const int32_t *buf0,
for (i = 0; i < (dstW >> 1); i++) { for (i = 0; i < (dstW >> 1); i++) {
int Y1 = (buf0[i * 2] ) >> 2; int Y1 = (buf0[i * 2] ) >> 2;
int Y2 = (buf0[i * 2 + 1]) >> 2; int Y2 = (buf0[i * 2 + 1]) >> 2;
int U = (ubuf0[i] + ubuf1[i] + (-128 << 11)) >> 3; int U = (ubuf0[i] + ubuf1[i] + (-128 << 12)) >> 3;
int V = (vbuf0[i] + vbuf1[i] + (-128 << 11)) >> 3; int V = (vbuf0[i] + vbuf1[i] + (-128 << 12)) >> 3;
int R, G, B; int R, G, B;
Y1 -= c->yuv2rgb_y_offset; Y1 -= c->yuv2rgb_y_offset;