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Make C code in yuv2yuv1() do accurate rounding, this could be split 

depending on SWS_ACCURATE as well if someone wants.

Originally committed as revision 27323 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Michael Niedermayer 2008-07-18 00:09:09 +00:00
parent 96e8987e5b
commit a1f3ffa3ce
1 changed files with 3 additions and 3 deletions
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6
libswscale/swscale_template.c
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@ -1020,7 +1020,7 @@ static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chr
int i; int i;
for (i=0; i<dstW; i++) for (i=0; i<dstW; i++)
{ {
int val= lumSrc[i]>>7; int val= (lumSrc[i]+64)>>7;
if (val&256){ if (val&256){
if (val<0) val=0; if (val<0) val=0;
@ -1033,8 +1033,8 @@ static inline void RENAME(yuv2yuv1)(SwsContext *c, int16_t *lumSrc, int16_t *chr
if (uDest) if (uDest)
for (i=0; i<chrDstW; i++) for (i=0; i<chrDstW; i++)
{ {
int u=chrSrc[i]>>7; int u=(chrSrc[i ]+64)>>7;
int v=chrSrc[i + VOFW]>>7; int v=(chrSrc[i + VOFW]+64)>>7;
if ((u|v)&256){ if ((u|v)&256){
if (u<0) u=0; if (u<0) u=0;