fixing green line at right side bug (reported by Nick Kurshev <nickols_k@mail.ru>)

Originally committed as revision 4564 to svn://svn.mplayerhq.hu/mplayer/trunk/postproc

diff --git a/postproc/swscale.c b/postproc/swscale.c
index 1bd237d..9f0e25b 100644 (file)
--- a/postproc/swscale.c
+++ b/postproc/swscale.c
@@ -671,8 +671,8 @@ static inline void initFilter(int16_t **outFilter, int16_t **filterPos, int *out
                asm volatile("emms\n\t"::: "memory"); //FIXME this shouldnt be required but it IS (even for non mmx versions)
 #endif
 
+       // Note the +1 is for the MMXscaler which reads over the end
        *filterPos = (int16_t*)memalign(8, (dstW+1)*sizeof(int16_t));
-       (*filterPos)[dstW]=0; // the MMX scaler will read over the end 
 
        if(ABS(xInc - 0x10000) <10) // unscaled
        {
@@ -963,6 +963,13 @@ static inline void initFilter(int16_t **outFilter, int16_t **filterPos, int *out
                        (*outFilter)[i*(*outFilterSize) + j]= (int)(filter[i*filterSize + j]*scale);
                }
        }
+       
+       (*filterPos)[dstW]= (*filterPos)[dstW-1]; // the MMX scaler will read over the end
+       for(i=0; i<*outFilterSize; i++)
+       {
+               int j= dstW*(*outFilterSize);
+               (*outFilter)[j + i]= (*outFilter)[j + i - (*outFilterSize)];
+       }
 
        free(filter);
 }