postprocess_template.c

Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3.10平台上编译为嵌入式图形界面操作系统。

	{
		int t1= tmp[x];
		int t2= src[stride*1];

		src[stride*1]= CLIP((-t1 + 4*src[stride*0] + 2*t2 + 4*src[stride*2] - src[stride*3] + 4)>>3);
		t1= src[stride*4];
		src[stride*3]= CLIP((-t2 + 4*src[stride*2] + 2*t1 + 4*src[stride*4] - src[stride*5] + 4)>>3);
		t2= src[stride*6];
		src[stride*5]= CLIP((-t1 + 4*src[stride*4] + 2*t2 + 4*src[stride*6] - src[stride*7] + 4)>>3);
		t1= src[stride*8];
		src[stride*7]= CLIP((-t2 + 4*src[stride*6] + 2*t1 + 4*src[stride*8] - src[stride*9] + 4)>>3);
		tmp[x]= t1;

		src++;
	}
#endif
}

/**
 * Deinterlaces the given block by filtering every line with a (-1 2 6 2 -1) filter.
 * will be called for every 8x8 block and can read & write from line 4-15
 * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
 * this filter will read lines 4-13 and write 4-11
 */
static inline void RENAME(deInterlaceL5)(uint8_t src[], int stride, uint8_t *tmp, uint8_t *tmp2)
{
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
	src+= stride*4;
	asm volatile(
		"leal (%0, %1), %%eax				\n\t"
		"leal (%%eax, %1, 4), %%edx			\n\t"
		"pxor %%mm7, %%mm7				\n\t"
		"movq (%2), %%mm0				\n\t"
		"movq (%3), %%mm1				\n\t"
//	0	1	2	3	4	5	6	7	8	9	10
//	%0	eax	eax+%1	eax+2%1	%0+4%1	edx	edx+%1	edx+2%1	%0+8%1	edx+4%1 ecx

#define DEINT_L5(t1,t2,a,b,c)\
		"movq " #a ", %%mm2				\n\t"\
		"movq " #b ", %%mm3				\n\t"\
		"movq " #c ", %%mm4				\n\t"\
		PAVGB(t2, %%mm3)					\
		PAVGB(t1, %%mm4)					\
		"movq %%mm2, %%mm5				\n\t"\
		"movq %%mm2, " #t1 "				\n\t"\
		"punpcklbw %%mm7, %%mm2				\n\t"\
		"punpckhbw %%mm7, %%mm5				\n\t"\
		"movq %%mm2, %%mm6				\n\t"\
		"paddw %%mm2, %%mm2				\n\t"\
		"paddw %%mm6, %%mm2				\n\t"\
		"movq %%mm5, %%mm6				\n\t"\
		"paddw %%mm5, %%mm5				\n\t"\
		"paddw %%mm6, %%mm5				\n\t"\
		"movq %%mm3, %%mm6				\n\t"\
		"punpcklbw %%mm7, %%mm3				\n\t"\
		"punpckhbw %%mm7, %%mm6				\n\t"\
		"paddw %%mm3, %%mm3				\n\t"\
		"paddw %%mm6, %%mm6				\n\t"\
		"paddw %%mm3, %%mm2				\n\t"\
		"paddw %%mm6, %%mm5				\n\t"\
		"movq %%mm4, %%mm6				\n\t"\
		"punpcklbw %%mm7, %%mm4				\n\t"\
		"punpckhbw %%mm7, %%mm6				\n\t"\
		"psubw %%mm4, %%mm2				\n\t"\
		"psubw %%mm6, %%mm5				\n\t"\
		"psraw $2, %%mm2				\n\t"\
		"psraw $2, %%mm5				\n\t"\
		"packuswb %%mm5, %%mm2				\n\t"\
		"movq %%mm2, " #a "				\n\t"\

DEINT_L5(%%mm0, %%mm1, (%0)          , (%%eax)       , (%%eax, %1)   )
DEINT_L5(%%mm1, %%mm0, (%%eax)       , (%%eax, %1)   , (%%eax, %1, 2))
DEINT_L5(%%mm0, %%mm1, (%%eax, %1)   , (%%eax, %1, 2), (%0, %1, 4)   )
DEINT_L5(%%mm1, %%mm0, (%%eax, %1, 2), (%0, %1, 4)   , (%%edx)       )
DEINT_L5(%%mm0, %%mm1, (%0, %1, 4)   , (%%edx)       , (%%edx, %1)   )  
DEINT_L5(%%mm1, %%mm0, (%%edx)       , (%%edx, %1)   , (%%edx, %1, 2))
DEINT_L5(%%mm0, %%mm1, (%%edx, %1)   , (%%edx, %1, 2), (%0, %1, 8)   )
DEINT_L5(%%mm1, %%mm0, (%%edx, %1, 2), (%0, %1, 8)   , (%%edx, %1, 4))

		"movq %%mm0, (%2)				\n\t"
		"movq %%mm1, (%3)				\n\t"
		: : "r" (src), "r" (stride), "r"(tmp), "r"(tmp2)
		: "%eax", "%edx"
	);
#else
	int x;
	src+= stride*4;
	for(x=0; x<8; x++)
	{
		int t1= tmp[x];
		int t2= tmp2[x];
		int t3= src[0];

		src[stride*0]= CLIP((-(t1 + src[stride*2]) + 2*(t2 + src[stride*1]) + 6*t3 + 4)>>3);
		t1= src[stride*1];
		src[stride*1]= CLIP((-(t2 + src[stride*3]) + 2*(t3 + src[stride*2]) + 6*t1 + 4)>>3);
		t2= src[stride*2];
		src[stride*2]= CLIP((-(t3 + src[stride*4]) + 2*(t1 + src[stride*3]) + 6*t2 + 4)>>3);
		t3= src[stride*3];
		src[stride*3]= CLIP((-(t1 + src[stride*5]) + 2*(t2 + src[stride*4]) + 6*t3 + 4)>>3);
		t1= src[stride*4];
		src[stride*4]= CLIP((-(t2 + src[stride*6]) + 2*(t3 + src[stride*5]) + 6*t1 + 4)>>3);
		t2= src[stride*5];
		src[stride*5]= CLIP((-(t3 + src[stride*7]) + 2*(t1 + src[stride*6]) + 6*t2 + 4)>>3);
		t3= src[stride*6];
		src[stride*6]= CLIP((-(t1 + src[stride*8]) + 2*(t2 + src[stride*7]) + 6*t3 + 4)>>3);
		t1= src[stride*7];
		src[stride*7]= CLIP((-(t2 + src[stride*9]) + 2*(t3 + src[stride*8]) + 6*t1 + 4)>>3);

		tmp[x]= t3;
		tmp2[x]= t1;

		src++;
	}
#endif
}

/**
 * Deinterlaces the given block by filtering all lines with a (1 2 1) filter.
 * will be called for every 8x8 block and can read & write from line 4-15
 * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
 * this filter will read lines 4-13 and write 4-11
 */
static inline void RENAME(deInterlaceBlendLinear)(uint8_t src[], int stride, uint8_t *tmp)
{
#if defined (HAVE_MMX2) || defined (HAVE_3DNOW)
	src+= 4*stride;
	asm volatile(
		"leal (%0, %1), %%eax				\n\t"
		"leal (%%eax, %1, 4), %%edx			\n\t"
//	0	1	2	3	4	5	6	7	8	9
//	%0	eax	eax+%1	eax+2%1	%0+4%1	edx	edx+%1	edx+2%1	%0+8%1	edx+4%1

		"movq (%2), %%mm0				\n\t" // L0
		"movq (%%eax), %%mm1				\n\t" // L2
		PAVGB(%%mm1, %%mm0)				      // L0+L2
		"movq (%0), %%mm2				\n\t" // L1
		PAVGB(%%mm2, %%mm0)
		"movq %%mm0, (%0)				\n\t"
		"movq (%%eax, %1), %%mm0			\n\t" // L3
		PAVGB(%%mm0, %%mm2)				      // L1+L3
		PAVGB(%%mm1, %%mm2)				      // 2L2 + L1 + L3
		"movq %%mm2, (%%eax)				\n\t"
		"movq (%%eax, %1, 2), %%mm2			\n\t" // L4
		PAVGB(%%mm2, %%mm1)				      // L2+L4
		PAVGB(%%mm0, %%mm1)				      // 2L3 + L2 + L4
		"movq %%mm1, (%%eax, %1)			\n\t"
		"movq (%0, %1, 4), %%mm1			\n\t" // L5
		PAVGB(%%mm1, %%mm0)				      // L3+L5
		PAVGB(%%mm2, %%mm0)				      // 2L4 + L3 + L5
		"movq %%mm0, (%%eax, %1, 2)			\n\t"
		"movq (%%edx), %%mm0				\n\t" // L6
		PAVGB(%%mm0, %%mm2)				      // L4+L6
		PAVGB(%%mm1, %%mm2)				      // 2L5 + L4 + L6
		"movq %%mm2, (%0, %1, 4)			\n\t"
		"movq (%%edx, %1), %%mm2			\n\t" // L7
		PAVGB(%%mm2, %%mm1)				      // L5+L7
		PAVGB(%%mm0, %%mm1)				      // 2L6 + L5 + L7
		"movq %%mm1, (%%edx)				\n\t"
		"movq (%%edx, %1, 2), %%mm1			\n\t" // L8
		PAVGB(%%mm1, %%mm0)				      // L6+L8
		PAVGB(%%mm2, %%mm0)				      // 2L7 + L6 + L8
		"movq %%mm0, (%%edx, %1)			\n\t"
		"movq (%0, %1, 8), %%mm0			\n\t" // L9
		PAVGB(%%mm0, %%mm2)				      // L7+L9
		PAVGB(%%mm1, %%mm2)				      // 2L8 + L7 + L9
		"movq %%mm2, (%%edx, %1, 2)			\n\t"
		"movq %%mm1, (%2)				\n\t"

		: : "r" (src), "r" (stride), "r" (tmp)
		: "%eax", "%edx"
	);
#else
	int a, b, c, x;
	src+= 4*stride;

	for(x=0; x<2; x++){
		a= *(uint32_t*)&tmp[stride*0];
		b= *(uint32_t*)&src[stride*0];
		c= *(uint32_t*)&src[stride*1];
		a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
		*(uint32_t*)&src[stride*0]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);

		a= *(uint32_t*)&src[stride*2];
		b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
		*(uint32_t*)&src[stride*1]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);

		b= *(uint32_t*)&src[stride*3];
		c= (b&c) + (((b^c)&0xFEFEFEFEUL)>>1);
		*(uint32_t*)&src[stride*2]= (c|a) - (((c^a)&0xFEFEFEFEUL)>>1);

		c= *(uint32_t*)&src[stride*4];
		a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
		*(uint32_t*)&src[stride*3]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);

		a= *(uint32_t*)&src[stride*5];
		b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
		*(uint32_t*)&src[stride*4]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);

		b= *(uint32_t*)&src[stride*6];
		c= (b&c) + (((b^c)&0xFEFEFEFEUL)>>1);
		*(uint32_t*)&src[stride*5]= (c|a) - (((c^a)&0xFEFEFEFEUL)>>1);

		c= *(uint32_t*)&src[stride*7];
		a= (a&c) + (((a^c)&0xFEFEFEFEUL)>>1);
		*(uint32_t*)&src[stride*6]= (a|b) - (((a^b)&0xFEFEFEFEUL)>>1);

		a= *(uint32_t*)&src[stride*8];
		b= (a&b) + (((a^b)&0xFEFEFEFEUL)>>1);
		*(uint32_t*)&src[stride*7]= (c|b) - (((c^b)&0xFEFEFEFEUL)>>1);

		*(uint32_t*)&tmp[stride*0]= c;
		src += 4;
		tmp += 4;
	}
#endif
}

/**
 * Deinterlaces the given block by applying a median filter to every second line.
 * will be called for every 8x8 block and can read & write from line 4-15,
 * lines 0-3 have been passed through the deblock / dering filters allready, but can be read too
 * lines 4-12 will be read into the deblocking filter and should be deinterlaced
 */
static inline void RENAME(deInterlaceMedian)(uint8_t src[], int stride)
{
#ifdef HAVE_MMX
	src+= 4*stride;
#ifdef HAVE_MMX2
	asm volatile(
		"leal (%0, %1), %%eax				\n\t"
		"leal (%%eax, %1, 4), %%edx			\n\t"
//	0	1	2	3	4	5	6	7	8	9
//	%0	eax	eax+%1	eax+2%1	%0+4%1	edx	edx+%1	edx+2%1	%0+8%1	edx+4%1

		"movq (%0), %%mm0				\n\t" //
		"movq (%%eax, %1), %%mm2			\n\t" //
		"movq (%%eax), %%mm1				\n\t" //
		"movq %%mm0, %%mm3				\n\t"
		"pmaxub %%mm1, %%mm0				\n\t" //
		"pminub %%mm3, %%mm1				\n\t" //
		"pmaxub %%mm2, %%mm1				\n\t" //
		"pminub %%mm1, %%mm0				\n\t"
		"movq %%mm0, (%%eax)				\n\t"

		"movq (%0, %1, 4), %%mm0			\n\t" //
		"movq (%%eax, %1, 2), %%mm1			\n\t" //
		"movq %%mm2, %%mm3				\n\t"
		"pmaxub %%mm1, %%mm2				\n\t" //
		"pminub %%mm3, %%mm1				\n\t" //
		"pmaxub %%mm0, %%mm1				\n\t" //
		"pminub %%mm1, %%mm2				\n\t"
		"movq %%mm2, (%%eax, %1, 2)			\n\t"

		"movq (%%edx), %%mm2				\n\t" //
		"movq (%%edx, %1), %%mm1			\n\t" //
		"movq %%mm2, %%mm3				\n\t"
		"pmaxub %%mm0, %%mm2				\n\t" //
		"pminub %%mm3, %%mm0				\n\t" //
		"pmaxub %%mm1, %%mm0				\n\t" //
		"pminub %%mm0, %%mm2				\n\t"
		"movq %%mm2, (%%edx)				\n\t"

		"movq (%%edx, %1, 2), %%mm2			\n\t" //
		"movq (%0, %1, 8), %%mm0			\n\t" //
		"movq %%mm2, %%mm3				\n\t"
		"pmaxub %%mm0, %%mm2				\n\t" //
		"pminub %%mm3, %%mm0				\n\t" //
		"pmaxub %%mm1, %%mm0				\n\t" //
		"pminub %%mm0, %%mm2				\n\t"
		"movq %%mm2, (%%edx, %1, 2)			\n\t"


		: : "r" (src), "r" (stride)
		: "%eax", "%edx"
	);

#else // MMX without MMX2
	asm volatile(
		"leal (%0, %1), %%eax				\n\t"
		"leal (%%eax, %1, 4), %%edx			\n\t"
//	0	1	2	3	4	5	6	7	8	9
//	%0	eax	eax+%1	eax+2%1	%0+4%1	edx	edx+%1	edx+2%1	%0+8%1	edx+4%1
		"pxor %%mm7, %%mm7				\n\t"

#define MEDIAN(a,b,c)\
		"movq " #a ", %%mm0				\n\t"\
		"movq " #b ", %%mm2				\n\t"\
		"movq " #c ", %%mm1				\n\t"\
		"movq %%mm0, %%mm3				\n\t"\
		"movq %%mm1, %%mm4				\n\t"\
		"movq %%mm2, %%mm5				\n\t"\
		"psubusb %%mm1, %%mm3				\n\t"\
		"psubusb %%mm2, %%mm4				\n\t"\
		"psubusb %%mm0, %%mm5				\n\t"\
		"pcmpeqb %%mm7, %%mm3				\n\t"\
		"pcmpeqb %%mm7, %%mm4				\n\t"\
		"pcmpeqb %%mm7, %%mm5				\n\t"\
		"movq %%mm3, %%mm6				\n\t"\
		"pxor %%mm4, %%mm3				\n\t"\
		"pxor %%mm5, %%mm4				\n\t"\
		"pxor %%mm6, %%mm5				\n\t"\
		"por %%mm3, %%mm1				\n\t"\
		"por %%mm4, %%mm2				\n\t"\
		"por %%mm5, %%mm0				\n\t"\
		"pand %%mm2, %%mm0				\n\t"\
		"pand %%mm1, %%mm0				\n\t"\
		"movq %%mm0, " #b "				\n\t"

MEDIAN((%0), (%%eax), (%%eax, %1))
MEDIAN((%%eax, %1), (%%eax, %1, 2), (%0, %1, 4))
MEDIAN((%0, %1, 4), (%%edx), (%%edx, %1))
MEDIAN((%%edx, %1), (%%edx, %1, 2), (%0, %1, 8))

		: : "r" (src), "r" (stride)
		: "%eax", "%edx"
	);
#endif // MMX
#else
	int x, y;
	src+= 4*stride;
	// FIXME - there should be a way to do a few columns in parallel like w/mmx
	for(x=0; x<8; x++)
	{
		uint8_t *colsrc = src;
		for (y=0; y<4; y++)
		{
			int a, b, c, d, e, f;
			a = colsrc[0       ];
			b = colsrc[stride  ];
			c = colsrc[stride*2];
			d = (a-b)>>31;
			e = (b-c)>>31;
			f = (c-a)>>31;
			colsrc[stride  ] = (a|(d^f)) & (b|(d^e)) & (c|(e^f));
			colsrc += stride*2;
		}
		src++;
	}
#endif
}

#ifdef HAVE_MMX
/**
 * transposes and shift the given 8x8 Block into dst1 and dst2
 */
static inline void RENAME(transpose1)(uint8_t *dst1, uint8_t *dst2, uint8_t *src, int srcStride)
{
	asm(
		"leal (%0, %1), %%eax				\n\t"
//	0	1	2	3	4	5	6	7	8	9
//	%0	eax	eax+%1	eax+2%1	%0+4%1	edx	edx+%1	edx+2%1	%0+8%1	edx+4%1
		"movq (%0), %%mm0		\n\t" // 12345678
		"movq (%%eax), %%mm1		\n\t" // abcdefgh
		"movq %%mm0, %%mm2		\n\t" // 12345678
		"punpcklbw %%mm1, %%mm0		\n\t" // 1a2b3c4d
		"punpckhbw %%mm1, %%mm2		\n\t" // 5e6f7g8h

		"movq (%%eax, %1), %%mm1	\n\t"
		"movq (%%eax, %1, 2), %%mm3	\n\t"
		"movq %%mm1, %%mm4		\n\t"
		"punpcklbw %%mm3, %%mm1		\n\t"
		"punpckhbw %%mm3, %%mm4		\n\t"

		"movq %%mm0, %%mm3		\n\t"
		"punpcklwd %%mm1, %%mm0		\n\t"
		"punpckhwd %%mm1, %%mm3		\n\t"
		"movq %%mm2, %%mm1		\n\t"
		"punpcklwd %%mm4, %%mm2		\n\t"
		"punpckhwd %%mm4, %%mm1		\n\t"

		"movd %%mm0, 128(%2)		\n\t"
		"psrlq $32, %%mm0		\n\t"
		"movd %%mm0, 144(%2)		\n\t"
		"movd %%mm3, 160(%2)		\n\t"
		"psrlq $32, %%mm3		\n\t"
		"movd %%mm3, 176(%2)		\n\t"
		"movd %%mm3, 48(%3)		\n\t"
		"movd %%mm2, 192(%2)		\n\t"
		"movd %%mm2, 64(%3)		\n\t"
		"psrlq $32, %%mm2		\n\t"
		"movd %%mm2, 80(%3)		\n\t"
		"movd %%mm1, 96(%3)		\n\t"
		"psrlq $32, %%mm1		\n\t"
		"movd %%mm1, 112(%3)		\n\t"

		"leal (%%eax, %1, 4), %%eax	\n\t"
		
		"movq (%0, %1, 4), %%mm0	\n\t" // 12345678
		"movq (%%eax), %%mm1		\n\t" // abcdefgh
		"movq %%mm0, %%mm2		\n\t" // 12345678
		"punpcklbw %%mm1, %%mm0		\n\t" // 1a2b3c4d
		"punpckhbw %%mm1, %%mm2		\n\t" // 5e6f7g8h

		"movq (%%eax, %1), %%mm1	\n\t"
		"movq (%%eax, %1, 2), %%mm3	\n\t"
		"movq %%mm1, %%mm4		\n\t"
		"punpcklbw %%mm3, %%mm1		\n\t"
		"punpckhbw %%mm3, %%mm4		\n\t"

		"movq %%mm0, %%mm3		\n\t"
		"punpcklwd %%mm1, %%mm0		\n\t"
		"punpckhwd %%mm1, %%mm3		\n\t"
		"movq %%mm2, %%mm1		\n\t"
		"punpcklwd %%mm4, %%mm2		\n\t"
		"punpckhwd %%mm4, %%mm1		\n\t"

		"movd %%mm0, 132(%2)		\n\t"
		"psrlq $32, %%mm0		\n\t"
		"movd %%mm0, 148(%2)		\n\t"
		"movd %%mm3, 164(%2)		\n\t"
		"psrlq $32, %%mm3		\n\t"
		"movd %%mm3, 180(%2)		\n\t"
		"movd %%mm3, 52(%3)		\n\t"
		"movd %%mm2, 196(%2)		\n\t"
		"movd %%mm2, 68(%3)		\n\t"
		"psrlq $32, %%mm2		\n\t"
		"m