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swscale: use av_clip_uint8() in yuv2yuv1_c().

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This commit is contained in:
Ronald S. Bultje 2011-05-25 15:28:12 -04:00 committed by Michael Niedermayer
parent 485d73ef21
commit 9222dddb44
1 changed files with 3 additions and 17 deletions
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20
libswscale/swscale_template.c
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@ -49,29 +49,15 @@ static inline void yuv2yuv1_c(SwsContext *c, const int16_t *lumSrc,
int i;
for (i=0; i<dstW; i++) {
int val= (lumSrc[i]+64)>>7;
if (val&256) {
if (val<0) val=0;
else val=255;
}
dest[i]= val;
dest[i]= av_clip_uint8(val);
}
if (uDest)
for (i=0; i<chrDstW; i++) {
int u=(chrSrc[i ]+64)>>7;
int v=(chrSrc[i + VOFW]+64)>>7;
if ((u|v)&256) {
if (u<0) u=0;
else if (u>255) u=255;
if (v<0) v=0;
else if (v>255) v=255;
}
uDest[i]= u;
vDest[i]= v;
uDest[i]= av_clip_uint8(u);
vDest[i]= av_clip_uint8(v);
}
if (CONFIG_SWSCALE_ALPHA && aDest)