int QPCorrecture= 256;
int QPCorrecture= 256*256;
static void RENAME(postProcess)(uint8_t src[], int srcStride, uint8_t dst[], int dstStride, int width, int height,	QP_STORE_T QPs[], int QPStride, int isColor, struct PPMode *ppMode){	int x,y;#ifdef COMPILE_TIME_MODE	const int mode= COMPILE_TIME_MODE;#else	const int mode= isColor ? ppMode->chromMode : ppMode->lumMode;#endif	/* we need 64bit here otherwise well going to have a problem	   after watching a black picture for 5 hours*/	static uint64_t *yHistogram= NULL;	int black=0, white=255; // blackest black and whitest white in the picture	int QPCorrecture= 256;	/* Temporary buffers for handling the last row(s) */	static uint8_t *tempDst= NULL;	static uint8_t *tempSrc= NULL;	/* Temporary buffers for handling the last block */	static uint8_t *tempDstBlock= NULL;	static uint8_t *tempSrcBlock= NULL;	/* Temporal noise reducing buffers */	static uint8_t *tempBlured[3]= {NULL,NULL,NULL};	static uint32_t *tempBluredPast[3]= {NULL,NULL,NULL};	int copyAhead;#ifdef PP_FUNNY_STRIDE	uint8_t *dstBlockPtrBackup;	uint8_t *srcBlockPtrBackup;#endif#ifdef MORE_TIMING	long long T0, T1, diffTime=0;#endif#ifdef TIMING	long long memcpyTime=0, vertTime=0, horizTime=0, sumTime;	sumTime= rdtsc();#endif	dcOffset= ppMode->maxDcDiff;	dcThreshold= ppMode->maxDcDiff*2 + 1;#ifdef HAVE_MMX	maxTmpNoise[0]= ppMode->maxTmpNoise[0];	maxTmpNoise[1]= ppMode->maxTmpNoise[1];	maxTmpNoise[2]= ppMode->maxTmpNoise[2];		mmxDCOffset= 0x7F - dcOffset;	mmxDCThreshold= 0x7F - dcThreshold;	mmxDCOffset*= 0x0101010101010101LL;	mmxDCThreshold*= 0x0101010101010101LL;#endif	if(mode & CUBIC_IPOL_DEINT_FILTER) copyAhead=16;	else if(mode & LINEAR_BLEND_DEINT_FILTER) copyAhead=14;	else if(   (mode & V_DEBLOCK)		|| (mode & LINEAR_IPOL_DEINT_FILTER)		|| (mode & MEDIAN_DEINT_FILTER)) copyAhead=13;	else if(mode & V_X1_FILTER) copyAhead=11;	else if(mode & V_RK1_FILTER) copyAhead=10;	else if(mode & DERING) copyAhead=9;	else copyAhead=8;	copyAhead-= 8;	if(tempDst==NULL)	{		tempDst= (uint8_t*)memalign(8, 1024*24);		tempSrc= (uint8_t*)memalign(8, 1024*24);		tempDstBlock= (uint8_t*)memalign(8, 1024*24);		tempSrcBlock= (uint8_t*)memalign(8, 1024*24);	}	if(tempBlured[isColor]==NULL && (mode & TEMP_NOISE_FILTER))	{//		printf("%d %d %d\n", isColor, dstStride, height);		//FIXME works only as long as the size doesnt increase		//Note:the +17*1024 is just there so i dont have to worry about r/w over te end		tempBlured[isColor]= (uint8_t*)memalign(8, dstStride*((height+7)&(~7)) + 17*1024);		tempBluredPast[isColor]= (uint32_t*)memalign(8, 256*((height+7)&(~7))/2 + 17*1024);		memset(tempBlured[isColor], 0, dstStride*((height+7)&(~7)) + 17*1024);		memset(tempBluredPast[isColor], 0, 256*((height+7)&(~7))/2 + 17*1024);	}	if(!yHistogram)	{		int i;		yHistogram= (uint64_t*)malloc(8*256);		for(i=0; i<256; i++) yHistogram[i]= width*height/64*15/256;		if(mode & FULL_Y_RANGE)		{			ppMode->maxAllowedY=255;			ppMode->minAllowedY=0;		}	}	if(!isColor)	{		uint64_t sum= 0;		int i;		static int framenum= -1;		uint64_t maxClipped;		uint64_t clipped;		double scale;		framenum++;		if(framenum == 1) yHistogram[0]= width*height/64*15/256;		for(i=0; i<256; i++)		{			sum+= yHistogram[i];//			printf("%d ", yHistogram[i]);		}//		printf("\n\n");		/* we allways get a completly black picture first */		maxClipped= (uint64_t)(sum * maxClippedThreshold);		clipped= sum;		for(black=255; black>0; black--)		{			if(clipped < maxClipped) break;			clipped-= yHistogram[black];		}		clipped= sum;		for(white=0; white<256; white++)		{			if(clipped < maxClipped) break;			clipped-= yHistogram[white];		}		scale= (double)(ppMode->maxAllowedY - ppMode->minAllowedY) / (double)(white-black);#ifdef HAVE_MMX2		packedYScale= (uint16_t)(scale*256.0 + 0.5);		packedYOffset= (((black*packedYScale)>>8) - ppMode->minAllowedY) & 0xFFFF;#else		packedYScale= (uint16_t)(scale*1024.0 + 0.5);		packedYOffset= (black - ppMode->minAllowedY) & 0xFFFF;#endif		packedYOffset|= packedYOffset<<32;		packedYOffset|= packedYOffset<<16;		packedYScale|= packedYScale<<32;		packedYScale|= packedYScale<<16;	}	else	{		packedYScale= 0x0100010001000100LL;		packedYOffset= 0;	}	if(mode & LEVEL_FIX)	QPCorrecture= packedYScale &0xFFFF;	else			QPCorrecture= 256;	/* copy & deinterlace first row of blocks */	y=-BLOCK_SIZE;	{		//1% speedup if these are here instead of the inner loop		uint8_t *srcBlock= &(src[y*srcStride]);		uint8_t *dstBlock= &(dst[y*dstStride]);		dstBlock= tempDst + dstStride;		// From this point on it is guranteed that we can read and write 16 lines downward		// finish 1 block before the next otherwise well might have a problem		// with the L1 Cache of the P4 ... or only a few blocks at a time or soemthing		for(x=0; x<width; x+=BLOCK_SIZE)		{#ifdef HAVE_MMX2/*			prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);			prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);			prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32);			prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32);*/			asm(				"movl %4, %%eax			\n\t"				"shrl $2, %%eax			\n\t"				"andl $6, %%eax			\n\t"				"addl %5, %%eax			\n\t"				"movl %%eax, %%ebx		\n\t"				"imul %1, %%eax			\n\t"				"imul %3, %%ebx			\n\t"				"prefetchnta 32(%%eax, %0)	\n\t"				"prefetcht0 32(%%ebx, %2)	\n\t"				"addl %1, %%eax			\n\t"				"addl %3, %%ebx			\n\t"				"prefetchnta 32(%%eax, %0)	\n\t"				"prefetcht0 32(%%ebx, %2)	\n\t"			:: "r" (srcBlock), "r" (srcStride), "r" (dstBlock), "r" (dstStride),			"m" (x), "m" (copyAhead)			: "%eax", "%ebx"			);#elif defined(HAVE_3DNOW)//FIXME check if this is faster on an 3dnow chip or if its faster without the prefetch or .../*			prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32);			prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32);			prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32);			prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32);*/#endif			RENAME(blockCopy)(dstBlock + dstStride*copyAhead, dstStride,				srcBlock + srcStride*copyAhead, srcStride, mode & LEVEL_FIX);			if(mode & LINEAR_IPOL_DEINT_FILTER)				RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);			else if(mode & LINEAR_BLEND_DEINT_FILTER)				RENAME(deInterlaceBlendLinear)(dstBlock, dstStride);			else if(mode & MEDIAN_DEINT_FILTER)				RENAME(deInterlaceMedian)(dstBlock, dstStride);			else if(mode & CUBIC_IPOL_DEINT_FILTER)				RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);/*			else if(mode & CUBIC_BLEND_DEINT_FILTER)				RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);*/			dstBlock+=8;			srcBlock+=8;		}		memcpy(&(dst[y*dstStride]) + 8*dstStride, tempDst + 9*dstStride, copyAhead*dstStride );	}	for(y=0; y<height; y+=BLOCK_SIZE)	{		//1% speedup if these are here instead of the inner loop		uint8_t *srcBlock= &(src[y*srcStride]);		uint8_t *dstBlock= &(dst[y*dstStride]);#ifdef HAVE_MMX		uint8_t *tempBlock1= tempBlocks;		uint8_t *tempBlock2= tempBlocks + 8;#endif#ifdef ARCH_X86		int *QPptr= isColor ? &QPs[(y>>3)*QPStride] :&QPs[(y>>4)*QPStride];		int QPDelta= isColor ? 1<<(32-3) : 1<<(32-4);		int QPFrac= QPDelta;#endif		int QP=0;		/* can we mess with a 8x16 block from srcBlock/dstBlock downwards and 1 line upwards		   if not than use a temporary buffer */		if(y+15 >= height)		{			int i;			/* copy from line (copyAhead) to (copyAhead+7) of src, these will be copied with			   blockcopy to dst later */			memcpy(tempSrc + srcStride*copyAhead, srcBlock + srcStride*copyAhead,				srcStride*MAX(height-y-copyAhead, 0) );			/* duplicate last line of src to fill the void upto line (copyAhead+7) */			for(i=MAX(height-y, 8); i<copyAhead+8; i++)				memcpy(tempSrc + srcStride*i, src + srcStride*(height-1), srcStride);			/* copy up to (copyAhead+1) lines of dst (line -1 to (copyAhead-1))*/			memcpy(tempDst, dstBlock - dstStride, dstStride*MIN(height-y+1, copyAhead+1) );			/* duplicate last line of dst to fill the void upto line (copyAhead) */			for(i=height-y+1; i<=copyAhead; i++)				memcpy(tempDst + dstStride*i, dst + dstStride*(height-1), dstStride);			dstBlock= tempDst + dstStride;			srcBlock= tempSrc;		}		// From this point on it is guranteed that we can read and write 16 lines downward		// finish 1 block before the next otherwise well might have a problem		// with the L1 Cache of the P4 ... or only a few blocks at a time or soemthing		for(x=0; x<width; x+=BLOCK_SIZE)		{			const int stride= dstStride;#ifdef HAVE_MMX			uint8_t *tmpXchg;#endif#ifdef ARCH_X86			QP= *QPptr;			asm volatile(				"addl %2, %1		\n\t"				"sbbl %%eax, %%eax	\n\t"				"shll $2, %%eax		\n\t"				"subl %%eax, %0		\n\t"				: "+r" (QPptr), "+m" (QPFrac)				: "r" (QPDelta)				: "%eax"			);#else			QP= isColor ?                                QPs[(y>>3)*QPStride + (x>>3)]:                                QPs[(y>>4)*QPStride + (x>>4)];#endif			if(!isColor)			{				QP= (QP* QPCorrecture)>>8;				yHistogram[ srcBlock[srcStride*12 + 4] ]++;			}#ifdef HAVE_MMX			asm volatile(				"movd %0, %%mm7					\n\t"				"packuswb %%mm7, %%mm7				\n\t" // 0, 0, 0, QP, 0, 0, 0, QP				"packuswb %%mm7, %%mm7				\n\t" // 0,QP, 0, QP, 0,QP, 0, QP				"packuswb %%mm7, %%mm7				\n\t" // QP,..., QP				"movq %%mm7, "MANGLE(pQPb)"			\n\t"				: : "r" (QP)			);#endif#ifdef MORE_TIMING			T0= rdtsc();#endif#ifdef HAVE_MMX2/*			prefetchnta(srcBlock + (((x>>2)&6) + 5)*srcStride + 32);			prefetchnta(srcBlock + (((x>>2)&6) + 6)*srcStride + 32);			prefetcht0(dstBlock + (((x>>2)&6) + 5)*dstStride + 32);			prefetcht0(dstBlock + (((x>>2)&6) + 6)*dstStride + 32);*/			asm(				"movl %4, %%eax			\n\t"				"shrl $2, %%eax			\n\t"				"andl $6, %%eax			\n\t"				"addl %5, %%eax			\n\t"				"movl %%eax, %%ebx		\n\t"				"imul %1, %%eax			\n\t"				"imul %3, %%ebx			\n\t"				"prefetchnta 32(%%eax, %0)	\n\t"				"prefetcht0 32(%%ebx, %2)	\n\t"				"addl %1, %%eax			\n\t"				"addl %3, %%ebx			\n\t"				"prefetchnta 32(%%eax, %0)	\n\t"				"prefetcht0 32(%%ebx, %2)	\n\t"			:: "r" (srcBlock), "r" (srcStride), "r" (dstBlock), "r" (dstStride),			"m" (x), "m" (copyAhead)			: "%eax", "%ebx"			);#elif defined(HAVE_3DNOW)//FIXME check if this is faster on an 3dnow chip or if its faster without the prefetch or .../*			prefetch(srcBlock + (((x>>3)&3) + 5)*srcStride + 32);			prefetch(srcBlock + (((x>>3)&3) + 9)*srcStride + 32);			prefetchw(dstBlock + (((x>>3)&3) + 5)*dstStride + 32);			prefetchw(dstBlock + (((x>>3)&3) + 9)*dstStride + 32);*/#endif#ifdef PP_FUNNY_STRIDE			//can we mess with a 8x16 block, if not use a temp buffer, yes again			if(x+7 >= width)			{				int i;				dstBlockPtrBackup= dstBlock;				srcBlockPtrBackup= srcBlock;				for(i=0;i<BLOCK_SIZE*2; i++)				{					memcpy(tempSrcBlock+i*srcStride, srcBlock+i*srcStride, width-x);					memcpy(tempDstBlock+i*dstStride, dstBlock+i*dstStride, width-x);				}				dstBlock= tempDstBlock;				srcBlock= tempSrcBlock;			}#endif			RENAME(blockCopy)(dstBlock + dstStride*copyAhead, dstStride,				srcBlock + srcStride*copyAhead, srcStride, mode & LEVEL_FIX);			if(mode & LINEAR_IPOL_DEINT_FILTER)				RENAME(deInterlaceInterpolateLinear)(dstBlock, dstStride);			else if(mode & LINEAR_BLEND_DEINT_FILTER)				RENAME(deInterlaceBlendLinear)(dstBlock, dstStride);			else if(mode & MEDIAN_DEINT_FILTER)				RENAME(deInterlaceMedian)(dstBlock, dstStride);			else if(mode & CUBIC_IPOL_DEINT_FILTER)				RENAME(deInterlaceInterpolateCubic)(dstBlock, dstStride);/*			else if(mode & CUBIC_BLEND_DEINT_FILTER)				RENAME(deInterlaceBlendCubic)(dstBlock, dstStride);*/			/* only deblock if we have 2 blocks */			if(y + 8 < height)			{#ifdef MORE_TIMING				T1= rdtsc();				memcpyTime+= T1-T0;				T0=T1;#endif				if(mode & V_RK1_FILTER)					RENAME(vertRK1Filter)(dstBlock, stride, QP);				else if(mode & V_X1_FILTER)					RENAME(vertX1Filter)(dstBlock, stride, QP);				else if(mode & V_DEBLOCK)				{					if( RENAME(isVertDC)(dstBlock, stride))					{						if(RENAME(isVertMinMaxOk)(dstBlock, stride, QP))							RENAME(doVertLowPass)(dstBlock, stride, QP);					}					else						RENAME(doVertDefFilter)(dstBlock, stride, QP);				}#ifdef MORE_TIMING				T1= rdtsc();				vertTime+= T1-T0;				T0=T1;#endif			}#ifdef HAVE_MMX			RENAME(transpose1)(tempBlock1, tempBlock2, dstBlock, dstStride);#endif			/* check if we have a previous block to deblock it with dstBlock */			if(x - 8 >= 0)			{#ifdef MORE_TIMING				T0= rdtsc();#endif#ifdef HAVE_MMX				if(mode & H_RK1_FILTER)					RENAME(vertRK1Filter)(tempBlock1, 16, QP);				else if(mode & H_X1_FILTER)					RENAME(vertX1Filter)(tempBlock1, 16, QP);				else if(mode & H_DEBLOCK)				{					if( RENAME(isVertDC)(tempBlock1, 16) )					{						if(RENAME(isVertMinMaxOk)(tempBlock1, 16, QP))							RENAME(doVertLowPass)(tempBlock1, 16, QP);					}					else						RENAME(doVertDefFilter)(tempBlock1, 16, QP);				}				RENAME(transpose2)(dstBlock-4, dstStride, tempBlock1 + 4*16);#else				if(mode & H_X1_FILTER)					horizX1Filter(dstBlock-4, stride, QP);				else if(mode & H_DEBLOCK)				{					if( isHorizDC(dstBlock-4, stride))					{						if(isHorizMinMaxOk(dstBlock-4, stride, QP))							doHorizLowPass(dstBlock-4, stride, QP);					}					else						doHorizDefFilter(dstBlock-4, stride, QP);				}#endif#ifdef MORE_TIMING				T1= rdtsc();				horizTime+= T1-T0;				T0=T1;#endif				if(mode & DERING)				{				//FIXME filter first line					if(y>0) RENAME(dering)(dstBlock - stride - 8, stride, QP);				}				if(mode & TEMP_NOISE_FILTER)				{					RENAME(tempNoiseReducer)(dstBlock-8, stride,						tempBlured[isColor] + y*dstStride + x,						tempBluredPast[isColor] + (y>>3)*256 + (x>>3),						ppMode->maxTmpNoise);				}			}#ifdef PP_FUNNY_STRIDE			/* did we use a tmp-block buffer */			if(x+7 >= width)			{				int i;				dstBlock= dstBlockPtrBackup;				srcBlock= srcBlockPtrBackup;				for(i=0;i<BLOCK_SIZE*2; i++)				{					memcpy(dstBlock+i*dstStride, tempDstBlock+i*dstStride, width-x);				}			}#endif			dstBlock+=8;			srcBlock+=8;#ifdef HAVE_MMX			tmpXchg= tempBlock1;			tempBlock1= tempBlock2;			tempBlock2 = tmpXchg;#endif		}		if(mode & DERING)		{				if(y > 0) RENAME(dering)(dstBlock - dstStride - 8, dstStride, QP);		}		if((mode & TEMP_NOISE_FILTER))		{			RENAME(tempNoiseReducer)(dstBlock-8, dstStride,				tempBlured[isColor] + y*dstStride + x,				tempBluredPast[isColor] + (y>>3)*256 + (x>>3),				ppMode->maxTmpNoise);		}		/* did we use a tmp buffer for the last lines*/		if(y+15 >= height)		{			uint8_t *dstBlock= &(dst[y*dstStride]);			memcpy(dstBlock, tempDst + dstStride, dstStride*(height-y) );		}/*		for(x=0; x<width; x+=32)		{			volatile int i;			i+=	+ dstBlock[x + 7*dstStride] + dstBlock[x + 8*dstStride]				+ dstBlock[x + 9*dstStride] + dstBlock[x +10*dstStride]				+ dstBlock[x +11*dstStride] + dstBlock[x +12*dstStride];//				+ dstBlock[x +13*dstStride]//				+ dstBlock[x +14*dstStride] + dstBlock[x +15*dstStride];		}*/	}#ifdef HAVE_3DNOW	asm volatile("femms");#elif defined (HAVE_MMX)	asm volatile("emms");#endif#ifdef TIMING	// FIXME diff is mostly the time spent for rdtsc (should subtract that but ...)	sumTime= rdtsc() - sumTime;	if(!isColor)		printf("cpy:%4dk, vert:%4dk, horiz:%4dk, sum:%4dk, diff:%4dk, color: %d/%d    \r",			(int)(memcpyTime/1000), (int)(vertTime/1000), (int)(horizTime/1000),			(int)(sumTime/1000), (int)((sumTime-memcpyTime-vertTime-horizTime)/1000)			, black, white);#endif#ifdef DEBUG_BRIGHTNESS	if(!isColor)	{		int max=1;		int i;		for(i=0; i<256; i++)			if(yHistogram[i] > max) max=yHistogram[i];		for(i=1; i<256; i++)		{			int x;			int start=yHistogram[i-1]/(max/256+1);			int end=yHistogram[i]/(max/256+1);			int inc= end > start ? 1 : -1;			for(x=start; x!=end+inc; x+=inc)				dst[ i*dstStride + x]+=128;		}		for(i=0; i<100; i+=2)		{			dst[ (white)*dstStride + i]+=128;			dst[ (black)*dstStride + i]+=128;		}	}#endif}