static inline int isHorizDC(uint8_t src[], int stride)
static inline int isHorizDC(uint8_t src[], int stride, PPContext *c)
static inline int isHorizDC(uint8_t src[], int stride){	int numEq= 0;	int y;	for(y=0; y<BLOCK_SIZE; y++)	{		if(((src[0] - src[1] + dcOffset) & 0xFFFF) < dcThreshold) numEq++;		if(((src[1] - src[2] + dcOffset) & 0xFFFF) < dcThreshold) numEq++;		if(((src[2] - src[3] + dcOffset) & 0xFFFF) < dcThreshold) numEq++;		if(((src[3] - src[4] + dcOffset) & 0xFFFF) < dcThreshold) numEq++;		if(((src[4] - src[5] + dcOffset) & 0xFFFF) < dcThreshold) numEq++;		if(((src[5] - src[6] + dcOffset) & 0xFFFF) < dcThreshold) numEq++;		if(((src[6] - src[7] + dcOffset) & 0xFFFF) < dcThreshold) numEq++;		src+= stride;	}	return numEq > hFlatnessThreshold;}