diff --git a/libswscale/swscale.c b/libswscale/swscale.c index 2694dbbe7e..a94be88e45 100644 --- a/libswscale/swscale.c +++ b/libswscale/swscale.c @@ -2473,8 +2473,6 @@ static int swScale(SwsContext *c, const uint8_t* src[], int16_t *vChrFilterPos= c->vChrFilterPos; int16_t *hLumFilterPos= c->hLumFilterPos; int16_t *hChrFilterPos= c->hChrFilterPos; - int16_t *vLumFilter= c->vLumFilter; - int16_t *vChrFilter= c->vChrFilter; int16_t *hLumFilter= c->hLumFilter; int16_t *hChrFilter= c->hChrFilter; int32_t *lumMmxFilter= c->lumMmxFilter; @@ -2662,27 +2660,32 @@ static int swScale(SwsContext *c, const uint8_t* src[], const int16_t **chrUSrcPtr= (const int16_t **) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; const int16_t **chrVSrcPtr= (const int16_t **) chrVPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize; const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL; + int16_t *vLumFilter= c->vLumFilter; + int16_t *vChrFilter= c->vChrFilter; if (isPlanarYUV(dstFormat) || dstFormat==PIX_FMT_GRAY8) { //YV12 like const int chrSkipMask= (1<chrDstVSubSample)-1; + vLumFilter += dstY * vLumFilterSize; + vChrFilter += chrDstY * vChrFilterSize; + if (vLumFilterSize == 1) { yuv2plane1(lumSrcPtr[0], dest[0], dstW, c->lumDither8, 0); } else { - yuv2planeX(vLumFilter + dstY * vLumFilterSize, vLumFilterSize, + yuv2planeX(vLumFilter, vLumFilterSize, lumSrcPtr, dest[0], dstW, c->lumDither8, 0); } if (!((dstY&chrSkipMask) || isGray(dstFormat))) { if (yuv2nv12cX) { - yuv2nv12cX(c, vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, chrUSrcPtr, chrVSrcPtr, dest[1], chrDstW); + yuv2nv12cX(c, vChrFilter, vChrFilterSize, chrUSrcPtr, chrVSrcPtr, dest[1], chrDstW); } else if (vChrFilterSize == 1) { yuv2plane1(chrUSrcPtr[0], dest[1], chrDstW, c->chrDither8, 0); yuv2plane1(chrVSrcPtr[0], dest[2], chrDstW, c->chrDither8, 3); } else { - yuv2planeX(vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, + yuv2planeX(vChrFilter, vChrFilterSize, chrUSrcPtr, dest[1], chrDstW, c->chrDither8, 0); - yuv2planeX(vChrFilter + chrDstY * vChrFilterSize, vChrFilterSize, + yuv2planeX(vChrFilter, vChrFilterSize, chrVSrcPtr, dest[2], chrDstW, c->chrDither8, 3); } } @@ -2691,7 +2694,7 @@ static int swScale(SwsContext *c, const uint8_t* src[], if (vLumFilterSize == 1) { yuv2plane1(alpSrcPtr[0], dest[3], dstW, c->lumDither8, 0); } else { - yuv2planeX(vLumFilter + dstY * vLumFilterSize, vLumFilterSize, + yuv2planeX(vLumFilter, vLumFilterSize, alpSrcPtr, dest[3], dstW, c->lumDither8, 0); } }