diff --git a/postproc/swscale.c b/postproc/swscale.c index 1bd237d91c..9f0e25b9bb 100644 --- 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); }