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swscale: Fix rounding in yuv2mono_1_c_template()

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2012-02-14 19:34:17 +01:00
parent c0c32a3704
commit ef96bf294d
1 changed files with 8 additions and 8 deletions
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16
libswscale/output.c
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@ -378,14 +378,14 @@ yuv2mono_1_c_template(SwsContext *c, const int16_t *buf0,
int i; int i;
for (i = 0; i < dstW - 7; i += 8) { for (i = 0; i < dstW - 7; i += 8) {
int acc = g[(buf0[i ] >> 7) + d128[0]]; int acc = g[((buf0[i ] + 64) >> 7) + d128[0]];
acc += acc + g[(buf0[i + 1] >> 7) + d128[1]]; acc += acc + g[((buf0[i + 1] + 64) >> 7) + d128[1]];
acc += acc + g[(buf0[i + 2] >> 7) + d128[2]]; acc += acc + g[((buf0[i + 2] + 64) >> 7) + d128[2]];
acc += acc + g[(buf0[i + 3] >> 7) + d128[3]]; acc += acc + g[((buf0[i + 3] + 64) >> 7) + d128[3]];
acc += acc + g[(buf0[i + 4] >> 7) + d128[4]]; acc += acc + g[((buf0[i + 4] + 64) >> 7) + d128[4]];
acc += acc + g[(buf0[i + 5] >> 7) + d128[5]]; acc += acc + g[((buf0[i + 5] + 64) >> 7) + d128[5]];
acc += acc + g[(buf0[i + 6] >> 7) + d128[6]]; acc += acc + g[((buf0[i + 6] + 64) >> 7) + d128[6]];
acc += acc + g[(buf0[i + 7] >> 7) + d128[7]]; acc += acc + g[((buf0[i + 7] + 64) >> 7) + d128[7]];
output_pixel(*dest++, acc); output_pixel(*dest++, acc);
} }
} }