[Mplayer-cvslog] CVS: main/postproc swscale.c,1.94,1.95 swscale_template.c,1.81,1.82

Michael Niedermayer michael at mplayerhq.hu
Sun Jun 23 20:51:46 CEST 2002


Update of /cvsroot/mplayer/main/postproc
In directory mail:/var/tmp.root/cvs-serv32285

Modified Files:
	swscale.c swscale_template.c 
Log Message:

yvu9 support (other planar yuv formats with other chroma subsamplings should be trivial to add, if they had a IMGFMT)
disabled broken (=new) converters (they cause random sig11)
various bugfixes


Index: swscale.c
===================================================================
RCS file: /cvsroot/mplayer/main/postproc/swscale.c,v
retrieving revision 1.94
retrieving revision 1.95
diff -u -r1.94 -r1.95
--- swscale.c	23 Jun 2002 11:01:25 -0000	1.94
+++ swscale.c	23 Jun 2002 18:51:43 -0000	1.95
@@ -17,8 +17,8 @@
 */
 
 /*
-  supported Input formats: YV12, I420, IYUV, YUY2, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8, Y800
-  supported output formats: YV12, I420, IYUV, BGR15, BGR16, BGR24, BGR32, Y8, Y800
+  supported Input formats: YV12, I420, IYUV, YUY2, BGR32, BGR24, BGR16, BGR15, RGB32, RGB24, Y8, Y800, YVU9
+  supported output formats: YV12, I420, IYUV, BGR15, BGR16, BGR24, BGR32, Y8, Y800, YVU9
   BGR15/16 support dithering
   
   unscaled special converters
@@ -106,10 +106,10 @@
 #define isSupportedIn(x)  ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 || (x)==IMGFMT_YUY2 \
 			|| (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24|| (x)==IMGFMT_BGR16|| (x)==IMGFMT_BGR15\
 			|| (x)==IMGFMT_RGB32|| (x)==IMGFMT_RGB24\
-			|| (x)==IMGFMT_Y800)
+			|| (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9)
 #define isSupportedOut(x) ((x)==IMGFMT_YV12 || (x)==IMGFMT_I420 \
 			|| (x)==IMGFMT_BGR32|| (x)==IMGFMT_BGR24|| (x)==IMGFMT_BGR16|| (x)==IMGFMT_BGR15\
-			|| (x)==IMGFMT_Y800)
+			|| (x)==IMGFMT_Y800 || (x)==IMGFMT_YVU9)
 #define isRGB(x)       (((x)&IMGFMT_RGB_MASK)==IMGFMT_RGB)
 #define isBGR(x)       (((x)&IMGFMT_BGR_MASK)==IMGFMT_BGR)
 #define isPacked(x)    ((x)==IMGFMT_YUY2 || isRGB(x) || isBGR(x))
@@ -265,6 +265,7 @@
 #endif
 
 static int testFormat[]={
+IMGFMT_YVU9,
 IMGFMT_YV12,
 //IMGFMT_IYUV,
 IMGFMT_I420,
@@ -335,7 +336,7 @@
 	ssdU/= w*h/4;
 	ssdV/= w*h/4;
 	
-	if(ssdY>10 || ssdU>10 || ssdV>10){
+	if(ssdY>100 || ssdU>50 || ssdV>50){
 		printf(" %s %dx%d -> %s %4dx%4d flags=%2d SSD=%5lld,%5lld,%5lld\n", 
 			vo_format_name(srcFormat), srcW, srcH, 
 			vo_format_name(dstFormat), dstW, dstH,
@@ -382,13 +383,13 @@
 	}
 }
 
-static inline void yuv2yuvXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
+static inline void yuv2yuvXinC(SwsContext *c, int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
 				    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-				    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW)
+				    uint8_t *dest, uint8_t *uDest, uint8_t *vDest)
 {
 	//FIXME Optimize (just quickly writen not opti..)
 	int i;
-	for(i=0; i<dstW; i++)
+	for(i=0; i<c->dstW; i++)
 	{
 		int val=0;
 		int j;
@@ -399,7 +400,7 @@
 	}
 
 	if(uDest != NULL)
-		for(i=0; i<(dstW>>1); i++)
+		for(i=0; i<c->chrDstW; i++)
 		{
 			int u=0;
 			int v=0;
@@ -1657,7 +1658,7 @@
  * bring pointers in YUV order instead of YVU
  */
 static inline void orderYUV(int format, uint8_t * sortedP[], int sortedStride[], uint8_t * p[], int stride[]){
-	if(format == IMGFMT_YV12){
+	if(format == IMGFMT_YV12 || format == IMGFMT_YVU9){
 		sortedP[0]= p[0];
 		sortedP[1]= p[1];
 		sortedP[2]= p[2];
@@ -1726,14 +1727,14 @@
 		int plane;
 		for(plane=0; plane<3; plane++)
 		{
-			int length= plane==0 ? c->srcW  : ((c->srcW+1)>>1);
-			int y=      plane==0 ? srcSliceY: ((srcSliceY+1)>>1);
-			int height= plane==0 ? srcSliceH: ((srcSliceH+1)>>1);
+			int length= plane==0 ? c->srcW  : -((-c->srcW  )>>c->chrDstHSubSample);
+			int y=      plane==0 ? srcSliceY: -((-srcSliceY)>>c->chrDstVSubSample);
+			int height= plane==0 ? srcSliceH: -((-srcSliceH)>>c->chrDstVSubSample);
 
 			if((isGray(c->srcFormat) || isGray(c->dstFormat)) && plane>0)
 			{
 				if(!isGray(c->dstFormat))
-					memset(dst[plane], 0, dstStride[plane]*height);
+					memset(dst[plane], 128, dstStride[plane]*height);
 			}
 			else
 			{
@@ -1774,6 +1775,7 @@
 		break;
 	case IMGFMT_YV12:
 	case IMGFMT_I420:
+	case IMGFMT_Y800: //FIXME remove after different subsamplings are fully implemented
 		*h=1;
 		*v=1;
 		break;
@@ -1801,7 +1803,8 @@
 		asm volatile("emms\n\t"::: "memory");
 #endif
 	if(swScale==NULL) globalInit();
-
+//srcFormat= IMGFMT_Y800;
+//srcFormat= IMGFMT_YVU9;
 	/* avoid dupplicate Formats, so we dont need to check to much */
 	srcFormat = remove_dup_fourcc(srcFormat);
 	dstFormat = remove_dup_fourcc(dstFormat);
@@ -1852,6 +1855,38 @@
 	if(srcFilter->lumH!=NULL && srcFilter->lumH->length>1) usesFilter=1;
 	if(srcFilter->chrV!=NULL && srcFilter->chrV->length>1) usesFilter=1;
 	if(srcFilter->chrH!=NULL && srcFilter->chrH->length>1) usesFilter=1;
+
+	getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat);
+	getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
+
+	// reuse chroma for 2 pixles rgb/bgr unless user wants full chroma interpolation
+	if((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
+
+	// drop eery 2. pixel for chroma calculation unless user wants full chroma
+	if((isBGR(srcFormat) || isRGB(srcFormat) || srcFormat==IMGFMT_YUY2) && !(flags&SWS_FULL_CHR_V)) 
+		c->chrSrcVSubSample=1;
+
+	// drop eery 2. pixel for chroma calculation unless user wants full chroma
+	if((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP)) 
+		c->chrSrcHSubSample=1;
+
+	c->chrIntHSubSample= c->chrDstHSubSample;
+	c->chrIntVSubSample= c->chrSrcVSubSample;
+	
+	// note the -((-x)>>y) is so that we allways round toward +inf
+	c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample);
+	c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample);
+	c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
+	c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
+/*	printf("%d %d %d %d / %d %d %d %d //\n", 
+	c->chrSrcW,
+c->chrSrcH,
+c->chrDstW,
+c->chrDstH,
+srcW,
+srcH,
+dstW,
+dstH);*/
 	
 	/* unscaled special Cases */
 	if(unscaled && !usesFilter)
@@ -1877,7 +1912,7 @@
 			return c;
 		}
 		/* yuv2bgr */
-		if(isPlanarYUV(srcFormat) && isBGR(dstFormat))
+		if((srcFormat==IMGFMT_YV12 || srcFormat==IMGFMT_I420) && isBGR(dstFormat))
 		{
 			// FIXME multiple yuv2rgb converters wont work that way cuz that thing is full of globals&statics
 #ifdef WORDS_BIGENDIAN
@@ -1895,10 +1930,14 @@
 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 			return c;
 		}
-
+#if 1
 		/* simple copy */
-		if(srcFormat == dstFormat 
-		   || ((isPlanarYUV(srcFormat)||isGray(srcFormat)) && (isPlanarYUV(dstFormat)||isGray(dstFormat))))
+		if(   srcFormat == dstFormat
+		   || (srcFormat==IMGFMT_YV12 && dstFormat==IMGFMT_I420)
+		   || (srcFormat==IMGFMT_I420 && dstFormat==IMGFMT_YV12)
+		   || (isPlanarYUV(srcFormat) && isGray(dstFormat))
+		   || (isPlanarYUV(dstFormat) && isGray(srcFormat))
+		  )
 		{
 			c->swScale= simpleCopy;
 
@@ -1907,7 +1946,7 @@
 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 			return c;
 		}
-
+#endif
 		/* bgr32to24 & rgb32to24*/
 		if((srcFormat==IMGFMT_BGR32 && dstFormat==IMGFMT_BGR24)
 		 ||(srcFormat==IMGFMT_RGB32 && dstFormat==IMGFMT_RGB24))
@@ -1943,7 +1982,7 @@
 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 			return c;
 		}
-		
+
 		/* bgr24to32 & rgb24to32*/
 		if((srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_BGR32)
 		 ||(srcFormat==IMGFMT_RGB24 && dstFormat==IMGFMT_RGB32))
@@ -2003,6 +2042,7 @@
 			return c;
 		}
 
+#if 0 //segfaults
 		/* bgr15to32 */
 		if((srcFormat==IMGFMT_BGR15 && dstFormat==IMGFMT_BGR32)
 		 ||(srcFormat==IMGFMT_RGB15 && dstFormat==IMGFMT_RGB32))
@@ -2014,7 +2054,7 @@
 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 			return c;
 		}
-
+#endif
 		/* bgr16to24 */
 		if((srcFormat==IMGFMT_BGR16 && dstFormat==IMGFMT_BGR24)
 		 ||(srcFormat==IMGFMT_RGB16 && dstFormat==IMGFMT_RGB24))
@@ -2027,6 +2067,7 @@
 			return c;
 		}
 
+#if 0 //segfaults
 		/* bgr16to32 */
 		if((srcFormat==IMGFMT_BGR16 && dstFormat==IMGFMT_BGR32)
 		 ||(srcFormat==IMGFMT_RGB16 && dstFormat==IMGFMT_RGB32))
@@ -2038,7 +2079,7 @@
 					vo_format_name(srcFormat), vo_format_name(dstFormat));
 			return c;
 		}
-
+#endif
 		/* bgr24toYV12 */
 		if(srcFormat==IMGFMT_BGR24 && dstFormat==IMGFMT_YV12)
 		{
@@ -2063,37 +2104,6 @@
 	else
 		c->canMMX2BeUsed=0;
 
-	getSubSampleFactors(&c->chrSrcHSubSample, &c->chrSrcVSubSample, srcFormat);
-	getSubSampleFactors(&c->chrDstHSubSample, &c->chrDstVSubSample, dstFormat);
-
-	// reuse chroma for 2 pixles rgb/bgr unless user wants full chroma interpolation
-	if((isBGR(dstFormat) || isRGB(dstFormat)) && !(flags&SWS_FULL_CHR_H_INT)) c->chrDstHSubSample=1;
-
-	// drop eery 2. pixel for chroma calculation unless user wants full chroma
-	if((isBGR(srcFormat) || isRGB(srcFormat) || srcFormat==IMGFMT_YUY2) && !(flags&SWS_FULL_CHR_V)) 
-		c->chrSrcVSubSample=1;
-
-	// drop eery 2. pixel for chroma calculation unless user wants full chroma
-	if((isBGR(srcFormat) || isRGB(srcFormat)) && !(flags&SWS_FULL_CHR_H_INP)) 
-		c->chrSrcHSubSample=1;
-
-	c->chrIntHSubSample= c->chrDstHSubSample;
-	c->chrIntVSubSample= c->chrSrcVSubSample;
-	
-	// note the -((-x)>>y) is so that we allways round toward +inf
-	c->chrSrcW= -((-srcW) >> c->chrSrcHSubSample);
-	c->chrSrcH= -((-srcH) >> c->chrSrcVSubSample);
-	c->chrDstW= -((-dstW) >> c->chrDstHSubSample);
-	c->chrDstH= -((-dstH) >> c->chrDstVSubSample);
-/*	printf("%d %d %d %d / %d %d %d %d //\n", 
-	c->chrSrcW,
-c->chrSrcH,
-c->chrDstW,
-c->chrDstH,
-srcW,
-srcH,
-dstW,
-dstH);*/
 	c->chrXInc= ((c->chrSrcW<<16) + (c->chrDstW>>1))/c->chrDstW;
 	c->chrYInc= ((c->chrSrcH<<16) + (c->chrDstH>>1))/c->chrDstH;
 
@@ -2126,7 +2136,7 @@
 				 srcW      ,       dstW, filterAlign, 1<<14, flags,
 				 srcFilter->lumH, dstFilter->lumH);
 		initFilter(&c->hChrFilter, &c->hChrFilterPos, &c->hChrFilterSize, c->chrXInc,
-				(srcW+1)>>1, c->chrDstW, filterAlign, 1<<14, flags,
+				 c->chrSrcW, c->chrDstW, filterAlign, 1<<14, flags,
 				 srcFilter->chrH, dstFilter->chrH);
 
 #ifdef ARCH_X86
@@ -2151,7 +2161,7 @@
 			srcH      ,        dstH, 1, (1<<12)-4, flags,
 			srcFilter->lumV, dstFilter->lumV);
 	initFilter(&c->vChrFilter, &c->vChrFilterPos, &c->vChrFilterSize, c->chrYInc,
-			(srcH+1)>>1, c->chrDstH, 1, (1<<12)-4, flags,
+			c->chrSrcH, c->chrDstH, 1, (1<<12)-4, flags,
 			 srcFilter->chrV, dstFilter->chrV);
 
 	// Calculate Buffer Sizes so that they wont run out while handling these damn slices
@@ -2161,12 +2171,12 @@
 	{
 		int chrI= i*c->chrDstH / dstH;
 		int nextSlice= MAX(c->vLumFilterPos[i   ] + c->vLumFilterSize - 1,
-				 ((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<1));
-		nextSlice&= ~1; // Slices start at even boundaries
+				 ((c->vChrFilterPos[chrI] + c->vChrFilterSize - 1)<<c->chrSrcVSubSample));
+		nextSlice&= ~3; // Slices start at boundaries which are divisable through 4
 		if(c->vLumFilterPos[i   ] + c->vLumBufSize < nextSlice)
 			c->vLumBufSize= nextSlice - c->vLumFilterPos[i   ];
-		if(c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>1))
-			c->vChrBufSize= (nextSlice>>1) - c->vChrFilterPos[chrI];
+		if(c->vChrFilterPos[chrI] + c->vChrBufSize < (nextSlice>>c->chrSrcVSubSample))
+			c->vChrBufSize= (nextSlice>>c->chrSrcVSubSample) - c->vChrFilterPos[chrI];
 	}
 
 	// allocate pixbufs (we use dynamic allocation because otherwise we would need to

Index: swscale_template.c
===================================================================
RCS file: /cvsroot/mplayer/main/postproc/swscale_template.c,v
retrieving revision 1.81
retrieving revision 1.82
diff -u -r1.81 -r1.82
--- swscale_template.c	23 Jun 2002 11:01:25 -0000	1.81
+++ swscale_template.c	23 Jun 2002 18:51:43 -0000	1.82
@@ -655,7 +655,7 @@
 
 static inline void RENAME(yuv2yuvX)(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
 				    int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
-				    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW,
+				    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW,
 				    int16_t * lumMmxFilter, int16_t * chrMmxFilter)
 {
 #ifdef HAVE_MMX
@@ -664,14 +664,14 @@
 		asm volatile(
 				YSCALEYUV2YV12X(0)
 				:: "m" (-chrFilterSize), "r" (chrSrc+chrFilterSize),
-				"r" (chrMmxFilter+chrFilterSize*4), "r" (uDest), "m" (dstW>>1)
+				"r" (chrMmxFilter+chrFilterSize*4), "r" (uDest), "m" (chrDstW)
 				: "%eax", "%edx", "%esi"
 			);
 
 		asm volatile(
 				YSCALEYUV2YV12X(4096)
 				:: "m" (-chrFilterSize), "r" (chrSrc+chrFilterSize),
-				"r" (chrMmxFilter+chrFilterSize*4), "r" (vDest), "m" (dstW>>1)
+				"r" (chrMmxFilter+chrFilterSize*4), "r" (vDest), "m" (chrDstW)
 				: "%eax", "%edx", "%esi"
 			);
 	}
@@ -683,29 +683,29 @@
 			: "%eax", "%edx", "%esi"
 		);
 #else
-yuv2yuvXinC(lumFilter, lumSrc, lumFilterSize,
+yuv2yuvXinC(c, lumFilter, lumSrc, lumFilterSize,
 	    chrFilter, chrSrc, chrFilterSize,
-	    dest, uDest, vDest, dstW);
+	    dest, uDest, vDest);
 #endif
 }
 
 static inline void RENAME(yuv2yuv1)(int16_t *lumSrc, int16_t *chrSrc,
-				    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW)
+				    uint8_t *dest, uint8_t *uDest, uint8_t *vDest, int dstW, int chrDstW)
 {
 #ifdef HAVE_MMX
 	if(uDest != NULL)
 	{
 		asm volatile(
 				YSCALEYUV2YV121
-				:: "r" (chrSrc + (dstW>>1)), "r" (uDest + (dstW>>1)),
-				"g" (-(dstW>>1))
+				:: "r" (chrSrc + chrDstW), "r" (uDest + chrDstW),
+				"g" (-chrDstW)
 				: "%eax"
 			);
 
 		asm volatile(
 				YSCALEYUV2YV121
-				:: "r" (chrSrc + 2048 + (dstW>>1)), "r" (vDest + (dstW>>1)),
-				"g" (-(dstW>>1))
+				:: "r" (chrSrc + 2048 + chrDstW), "r" (vDest + chrDstW),
+				"g" (-chrDstW)
 				: "%eax"
 			);
 	}
@@ -731,7 +731,7 @@
 	}
 
 	if(uDest != NULL)
-		for(i=0; i<(dstW>>1); i++)
+		for(i=0; i<chrDstW; i++)
 		{
 			int u=chrSrc[i]>>7;
 			int v=chrSrc[i + 2048]>>7;
@@ -2582,6 +2582,7 @@
 	const int dstW= c->dstW;
 	const int dstH= c->dstH;
 	const int chrDstW= c->chrDstW;
+	const int chrSrcW= c->chrSrcW;
 	const int lumXInc= c->lumXInc;
 	const int chrXInc= c->chrXInc;
 	const int dstFormat= c->dstFormat;
@@ -2609,6 +2610,8 @@
 	uint8_t *funnyYCode= c->funnyYCode;
 	uint8_t *funnyUVCode= c->funnyUVCode;
 	uint8_t *formatConvBuffer= c->formatConvBuffer;
+	const int chrSrcSliceY= srcSliceY >> c->chrSrcVSubSample;
+	const int chrSrcSliceH= -((-srcSliceH) >> c->chrSrcVSubSample);
 
 	/* vars whch will change and which we need to storw back in the context */
 	int dstY= c->dstY;
@@ -2629,7 +2632,7 @@
 		srcStride[1]= srcStrideParam[2];
 		srcStride[2]= srcStrideParam[1];
 	}
-	else if(c->srcFormat==IMGFMT_YV12){
+	else if(c->srcFormat==IMGFMT_YV12 || c->srcFormat==IMGFMT_YVU9){
 		src[0]= srcParam[0];
 		src[1]= srcParam[1];
 		src[2]= srcParam[2];
@@ -2726,7 +2729,7 @@
 		ASSERT(firstChrSrcY >= lastInChrBuf - vChrBufSize + 1)
 
 		// Do we have enough lines in this slice to output the dstY line
-		if(lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < ((srcSliceY + srcSliceH + 1)>>1))
+		if(lastLumSrcY < srcSliceY + srcSliceH && lastChrSrcY < -((-srcSliceY - srcSliceH)>>c->chrSrcVSubSample))
 		{
 			//Do horizontal scaling
 			while(lastInLumBuf < lastLumSrcY)
@@ -2746,16 +2749,16 @@
 			}
 			while(lastInChrBuf < lastChrSrcY)
 			{
-				uint8_t *src1= src[1]+(lastInChrBuf + 1 - (srcSliceY>>1))*srcStride[1];
-				uint8_t *src2= src[2]+(lastInChrBuf + 1 - (srcSliceY>>1))*srcStride[2];
+				uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
+				uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
 				chrBufIndex++;
 				ASSERT(chrBufIndex < 2*vChrBufSize)
-				ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) < ((srcSliceH+1)>>1))
-				ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) >= 0)
+				ASSERT(lastInChrBuf + 1 - chrSrcSliceY < (chrSrcSliceH))
+				ASSERT(lastInChrBuf + 1 - chrSrcSliceY >= 0)
 				//FIXME replace parameters through context struct (some at least)
 
 				if(!(isGray(srcFormat) || isGray(dstFormat)))
-					RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, (srcW+1)>>1, chrXInc,
+					RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
 						flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
 						funnyUVCode, c->srcFormat, formatConvBuffer, 
 						c->chrMmx2Filter, c->chrMmx2FilterPos);
@@ -2770,8 +2773,8 @@
 /*		printf("%d %d Last:%d %d LastInBuf:%d %d Index:%d %d Y:%d FSize: %d %d BSize: %d %d\n",
 			firstChrSrcY,firstLumSrcY,lastChrSrcY,lastLumSrcY,
 			lastInChrBuf,lastInLumBuf,chrBufIndex,lumBufIndex,dstY,vChrFilterSize,vLumFilterSize,
-			vChrBufSize, vLumBufSize);
-*/
+			vChrBufSize, vLumBufSize);*/
+
 			//Do horizontal scaling
 			while(lastInLumBuf+1 < srcSliceY + srcSliceH)
 			{
@@ -2786,17 +2789,17 @@
 						c->lumMmx2Filter, c->lumMmx2FilterPos);
 				lastInLumBuf++;
 			}
-			while(lastInChrBuf+1 < ((srcSliceY + srcSliceH)>>1))
+			while(lastInChrBuf+1 < (chrSrcSliceY + chrSrcSliceH))
 			{
-				uint8_t *src1= src[1]+(lastInChrBuf + 1 - (srcSliceY>>1))*srcStride[1];
-				uint8_t *src2= src[2]+(lastInChrBuf + 1 - (srcSliceY>>1))*srcStride[2];
+				uint8_t *src1= src[1]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[1];
+				uint8_t *src2= src[2]+(lastInChrBuf + 1 - chrSrcSliceY)*srcStride[2];
 				chrBufIndex++;
 				ASSERT(chrBufIndex < 2*vChrBufSize)
-				ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) < ((srcSliceH+1)>>1))
-				ASSERT(lastInChrBuf + 1 - (srcSliceY>>1) >= 0)
+				ASSERT(lastInChrBuf + 1 - chrSrcSliceY < chrSrcSliceH)
+				ASSERT(lastInChrBuf + 1 - chrSrcSliceY >= 0)
 
 				if(!(isGray(srcFormat) || isGray(dstFormat)))
-					RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, (srcW+1)>>1, chrXInc,
+					RENAME(hcscale)(chrPixBuf[ chrBufIndex ], chrDstW, src1, src2, chrSrcW, chrXInc,
 						flags, canMMX2BeUsed, hChrFilter, hChrFilterPos, hChrFilterSize,
 						funnyUVCode, c->srcFormat, formatConvBuffer, 
 						c->chrMmx2Filter, c->chrMmx2FilterPos);
@@ -2823,17 +2826,17 @@
 			{
 				int16_t *lumBuf = lumPixBuf[0];
 				int16_t *chrBuf= chrPixBuf[0];
-				RENAME(yuv2yuv1)(lumBuf, chrBuf, dest, uDest, vDest, dstW);
+				RENAME(yuv2yuv1)(lumBuf, chrBuf, dest, uDest, vDest, dstW, chrDstW);
 			}
 			else //General YV12
 			{
 				int16_t **lumSrcPtr= lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
 				int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
 				RENAME(yuv2yuvX)(
-					vLumFilter+dstY*vLumFilterSize     , lumSrcPtr, vLumFilterSize,
-					vChrFilter+(dstY>>1)*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-					dest, uDest, vDest, dstW,
-					lumMmxFilter+dstY*vLumFilterSize*4, chrMmxFilter+(dstY>>1)*vChrFilterSize*4);
+					vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+					vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+					dest, uDest, vDest, dstW, chrDstW,
+					lumMmxFilter+dstY*vLumFilterSize*4, chrMmxFilter+chrDstY*vChrFilterSize*4);
 			}
 		}
 		else
@@ -2874,11 +2877,11 @@
 		int16_t **chrSrcPtr= chrPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
 		if(isPlanarYUV(dstFormat)) //YV12
 		{
-			if(dstY&1) uDest=vDest= NULL; //FIXME split functions in lumi / chromi
-			yuv2yuvXinC(
-				vLumFilter+dstY*vLumFilterSize     , lumSrcPtr, vLumFilterSize,
-				vChrFilter+(dstY>>1)*vChrFilterSize, chrSrcPtr, vChrFilterSize,
-				dest, uDest, vDest, dstW);
+			if(dstY&1) uDest=vDest= NULL;
+			yuv2yuvXinC(c, 
+				vLumFilter+dstY*vLumFilterSize   , lumSrcPtr, vLumFilterSize,
+				vChrFilter+chrDstY*vChrFilterSize, chrSrcPtr, vChrFilterSize,
+				dest, uDest, vDest);
 		}
 		else
 		{




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