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swscale: fix internal rgb->yv12 chroma conversion used by the main scaler path

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The shift must be applied before the masking.

Originally committed as revision 32051 to svn://svn.mplayerhq.hu/mplayer/trunk/libswscale
This commit is contained in:
Ramiro Polla 2010-09-06 02:02:53 +00:00
parent e778e50f63
commit a1899e0adc
1 changed files with 3 additions and 3 deletions
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6
libswscale/swscale.c
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@ -1069,9 +1069,9 @@ static inline void name(uint8_t *dstU, uint8_t *dstV, const uint8_t *src, const
{\
int i;\
for (i=0; i<width; i++) {\
int b= (((const type*)src)[i]&maskb)>>(shb+shp);\
int g= (((const type*)src)[i]&maskg)>>(shg+shp);\
int r= (((const type*)src)[i]&maskr)>>(shr+shp);\
int b= ((((const type*)src)[i]>>shp)&maskb)>>shb;\
int g= ((((const type*)src)[i]>>shp)&maskg)>>shg;\
int r= ((((const type*)src)[i]>>shp)&maskr)>>shr;\
\
dstU[i]= ((RU)*r + (GU)*g + (BU)*b + (257<<((S)-1)))>>(S);\
dstV[i]= ((RV)*r + (GV)*g + (BV)*b + (257<<((S)-1)))>>(S);\