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swscale: yuv2422_2_c_template() add cliping.

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Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
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Michael Niedermayer 2012-02-14 20:41:19 +01:00
parent f03a029939
commit 94bc672489
1 changed files with 7 additions and 0 deletions
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7
libswscale/output.c
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@ -499,6 +499,13 @@ yuv2422_2_c_template(SwsContext *c, const int16_t *buf[2],
int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19; int U = (ubuf0[i] * uvalpha1 + ubuf1[i] * uvalpha) >> 19;
int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19; int V = (vbuf0[i] * uvalpha1 + vbuf1[i] * uvalpha) >> 19;
if ((Y1 | Y2 | U | V) & 0x100) {
Y1 = av_clip_uint8(Y1);
Y2 = av_clip_uint8(Y2);
U = av_clip_uint8(U);
V = av_clip_uint8(V);
}
output_pixels(i * 4, Y1, U, Y2, V); output_pixels(i * 4, Y1, U, Y2, V);
} }
} }