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|
/* fixed mmx routines/enable compile with gcc-3
* Christoph Lampert <chl at math.uni-bonn.de>
* Fri Mar 14 12:03:48 CET 2003
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "mjpeg_types.h"
#include "global.h"
#include "motion.h"
/* pointers on SAD functions */
uint32_t (*calc_SAD) (uint8_t * , uint8_t * );
uint32_t (*calc_SAD_uv) (uint8_t * , uint8_t * );
uint32_t (*calc_SAD_half) (uint8_t * , uint8_t * ,uint8_t *);
/* global denoiser structure defined in main.c and global.h */
extern struct DNSR_GLOBAL denoiser;
struct DNSR_VECTOR vector;
struct DNSR_VECTOR varray44[8];
struct DNSR_VECTOR varray22[8];
/*****************************************************************************
* generate a lowpassfiltered and subsampled copy *
* of the source image (src) at the destination *
* image location. *
* Lowpass-filtering is important, as this subsampled *
* image is used for motion estimation and the result *
* is more reliable when filtered. *
*****************************************************************************/
void
subsample_frame (uint8_t * dst[3], uint8_t * src[3])
{
int x, y;
int w=denoiser.frame.w;
int h=denoiser.frame.h;
uint8_t *s = src[0];
uint8_t *s2 = src[0]+w;
uint8_t *d = dst[0];
/* subsample Y component */
for (y = 0; y < ((h+64)>>1); y += 1)
{
for (x = 0; x < w; x += 2)
{
*(d + (x>>1)) =
(
*(s + x ) +
*(s + x + 1) +
*(s2 + x ) +
*(s2 + x + 1) )>>2;
}
s+=w<<1;
s2+=w<<1;
d+=w;
}
#if 1
/* subsample U and V components */
s = src[1];
s2 = src[1]+(w>>1);
d = dst[1];
for (y = 0; y < ((h+64)>>2); y += 1)
{
for (x = 0; x < (w>>1); x += 2)
{
*(d + (x>>1)) =
(
*(s + x ) +
*(s + x + 1) +
*(s2 + x ) +
*(s2 + x + 1) )>>2;
}
s+=w;
s2+=w;
d+=w>>1;
}
s = src[2];
s2 = src[2]+(w>>1);
d = dst[2];
for (y = 0; y < ((h+64)>>2); y += 1)
{
for (x = 0; x < (w>>1); x += 2)
{
*(d + (x>>1)) =
(
*(s + x ) +
*(s + x + 1) +
*(s2 + x ) +
*(s2 + x + 1) )>>2;
}
s+=w;
s2+=w;
d+=w>>1;
}
#endif
}
/*********************************************************************
* *
* SAD-function for Y without MMX/MMXE *
* *
*********************************************************************/
uint32_t
calc_SAD_noaccel (uint8_t * frm, uint8_t * ref)
{
uint8_t dx = 0;
uint8_t dy = 0;
int32_t Y = 0;
uint32_t d = 0;
for(dy=0;dy<8;dy++)
for(dx=0;dx<8;dx++)
{
Y=*(frm+dx+dy*denoiser.frame.w)-*(ref+dx+dy*denoiser.frame.w);
d+=(Y<0)? -Y:Y;
}
return d;
}
/*********************************************************************
* *
* SAD-function for Y with MMX *
* *
*********************************************************************/
uint32_t
calc_SAD_mmx (uint8_t * frm, uint8_t * ref)
{
static uint16_t a[4];
#ifdef ARCH_X86
#ifdef HAVE_ASM_MMX
__asm__ __volatile__
(
" pxor %%mm0 , %%mm0; /* clear mm0 */\n"
" pxor %%mm7 , %%mm7; /* clear mm7 */\n"
" /* */\n"
".rept 8 ; /* Loop for 8 lines */\n"
" movq (%%esi), %%mm1; /* 8 Pixels from filtered frame to mm1 */\n"
" movq (%%edi), %%mm2; /* 8 Pixels from reference frame to mm2 */\n"
" movq %%mm2 , %%mm3; /* hold a copy of mm2 in mm3 */\n"
" psubusb %%mm1 , %%mm3; /* positive differences between mm2 and mm1 */\n"
" psubusb %%mm2 , %%mm1; /* positive differences between mm1 and mm3 */\n"
" paddusb %%mm3 , %%mm1; /* mm1 now contains abs(mm1-mm2) */\n"
" movq %%mm1 , %%mm2; /* copy mm1 to mm2 */\n"
" punpcklbw %%mm7 , %%mm1; /* unpack mm1 into mm1 and mm2 */\n"
" punpckhbw %%mm7 , %%mm2; /* */\n"
" paddusw %%mm1 , %%mm0; /* add mm1 (stored in mm1 and mm2...) */\n"
" paddusw %%mm2 , %%mm0; /* to mm0 */\n"
" addl %%ecx , %%esi; /* add framewidth to frameaddress */\n"
" addl %%ecx , %%edi; /* add framewidth to frameaddress */\n"
" .endr /* end loop */\n"
" /* */\n"
" movq %%mm0 , %0 ; /* make mm0 available to gcc ... */\n"
:"=g" (a)
:"S" (frm), "D" (ref), "c" (denoiser.frame.w)
);
#endif
#endif
return (uint32_t)(a[0]+a[1]+a[2]+a[3]);
}
/*********************************************************************
* *
* SAD-function for Y with MMXE *
* *
*********************************************************************/
uint32_t
calc_SAD_mmxe (uint8_t * frm, uint8_t * ref)
{
static uint32_t a;
#ifdef ARCH_X86
#ifdef HAVE_ASM_MMX
__asm__ __volatile__
(
" pxor %%mm0 , %%mm0; /* clear mm0 */\n"
" ; /* */\n"
" .rept 8 ; /* */\n"
" movq (%%esi), %%mm1; /* 8 Pixels from filtered frame to mm1 */\n"
" psadbw (%%edi), %%mm1; /* 8 Pixels difference to mm1 */\n"
" paddusw %%mm1 , %%mm0; /* add result to mm0 */\n"
" addl %%ecx , %%esi; /* add framewidth to frameaddress */\n"
" addl %%ecx , %%edi; /* add framewidth to frameaddress */\n"
" .endr ; /* */\n"
" /* */\n"
" movq %%mm0 , %0 ; /* make mm0 available to gcc ... */\n"
:"=g" (a)
:"S" (frm), "D" (ref), "c" (denoiser.frame.w)
);
#endif
#endif
return a;
}
/*********************************************************************
* *
* SAD-function for UV without MMX/MMXE *
* *
*********************************************************************/
uint32_t
calc_SAD_uv_noaccel (uint8_t * frm, uint8_t * ref)
{
register uint8_t dx = 0;
register uint8_t dy = 0;
int32_t Y = 0;
uint32_t d = 0;
for(dy=0;dy<4;dy++)
for(dx=0;dx<4;dx++)
{
Y=*(frm+dx+dy*W2)-*(ref+dx+dy*W2);
d+=(Y<0)? -Y:Y;
}
return d;
}
/*********************************************************************
* *
* SAD-function for UV with MMX *
* *
*********************************************************************/
uint32_t
calc_SAD_uv_mmx (uint8_t * frm, uint8_t * ref)
{
static uint16_t a[4];
#ifdef ARCH_X86
#ifdef HAVE_ASM_MMX
__asm__ __volatile__
(
" pxor %%mm0 , %%mm0; /* clear mm0 */\n"
" pxor %%mm7 , %%mm7; /* clear mm7 */\n"
" /* */\n"
".rept 4 ; /* Loop for 4 lines */\n"
" movd (%%esi), %%mm1; /* 4 Pixels from filtered frame to mm1 */\n"
" movd (%%edi), %%mm2; /* 4 Pixels from reference frame to mm2 */\n"
" movq %%mm2 , %%mm3; /* hold a copy of mm2 in mm3 */\n"
" psubusb %%mm1 , %%mm3; /* positive differences between mm2 and mm1 */\n"
" psubusb %%mm2 , %%mm1; /* positive differences between mm1 and mm3 */\n"
" paddusb %%mm3 , %%mm1; /* mm2 now contains abs(mm1-mm2) */\n"
" movq %%mm1 , %%mm2; /* copy mm1 to mm2 */\n"
" punpcklbw %%mm7 , %%mm1; /* unpack mm1 into mm1 and mm2 */\n"
" punpckhbw %%mm7 , %%mm2; /* */\n"
" paddusw %%mm1 , %%mm2; /* add mm1 (stored in mm1 and mm2...) */\n"
" paddusw %%mm2 , %%mm0; /* to mm0 */\n"
" addl %%ecx , %%esi; /* add framewidth to frameaddress */\n"
" addl %%ecx , %%edi; /* add framewidth to frameaddress */\n"
" .endr /* end loop */\n"
" /* */\n"
" movq %%mm0 , %0 ; /* make mm0 available to gcc ... */\n"
:"=g" (a)
:"S" (frm), "D" (ref), "c" (denoiser.frame.w/2)
);
#endif
#endif
return (uint32_t)(a[0]+a[1]+a[2]+a[3]);
}
/*********************************************************************
* *
* SAD-function for UV with MMXE *
* *
*********************************************************************/
uint32_t
calc_SAD_uv_mmxe (uint8_t * frm, uint8_t * ref)
{
static uint32_t a;
#ifdef ARCH_X86
#ifdef HAVE_ASM_MMX
__asm__ __volatile__
(
" pxor %%mm0 , %%mm0; /* clear mm0 */\n"
" ; /* */\n"
" .rept 4 ; /* */\n"
" movd (%%esi), %%mm1; /* 4 Pixels from filtered frame to mm1 */\n"
" movd (%%edi), %%mm2; /* 4 Pixels from filtered frame to mm2 */\n"
" psadbw %%mm2 , %%mm1; /* 4 Pixels difference to mm1 */\n"
" paddusw %%mm1 , %%mm0; /* add result to mm0 */\n"
" addl %%ecx , %%esi; /* add framewidth to frameaddress */\n"
" addl %%ecx , %%edi; /* add framewidth to frameaddress */\n"
" .endr ; /* */\n"
" /* */\n"
" movq %%mm0 , %0 ; /* make mm0 available to gcc ... */\n"
:"=g" (a)
:"S" (frm), "D" (ref), "c" (denoiser.frame.w/2)
);
#endif
#endif
return a;
}
/*********************************************************************
* *
* halfpel SAD-function for Y without MMX/MMXE *
* *
*********************************************************************/
uint32_t
calc_SAD_half_noaccel (uint8_t * ref, uint8_t * frm1, uint8_t * frm2)
{
uint8_t dx = 0;
uint8_t dy = 0;
int32_t Y = 0;
uint32_t d = 0;
for(dy=0;dy<8;dy++)
for(dx=0;dx<8;dx++)
{
Y=((*(frm1+dx+dy*denoiser.frame.w)+*(frm2+dx+dy*denoiser.frame.w))>>1)-*(ref+dx+dy*denoiser.frame.w);
d+=(Y<0)? -Y:Y;
}
return d;
}
/*********************************************************************
* *
* halfpel SAD-function for Y with MMX *
* *
*********************************************************************/
uint32_t
calc_SAD_half_mmx (uint8_t * ref, uint8_t * frm1, uint8_t * frm2)
{
static uint32_t a;
#ifdef ARCH_X86
#ifdef HAVE_ASM_MMX
__asm__ __volatile__
(
" pxor %%mm0 , %%mm0; /* clear mm0 */"
" pcmpeqw %%mm6 , %%mm6; /* Build 7f7f7f7f7f7f7f in a register */"
" psrlw $9 , %%mm6; /* */"
" packuswb %%mm6 , %%mm6; /* */"
" ; /* */"
" .rept 8 ; /* */"
" movq (%%esi), %%mm1; /* 8 Pixels from filtered frame to mm1 */"
" movq (%%edi), %%mm2; /* 8 Pixels from filtered frame to mm2 (displaced) */"
" movq (%%eax), %%mm3; /* reference to mm3 */"
" psrlq $1 , %%mm1; /* average source pixels */"
" psrlq $1 , %%mm2; /* shift right by one (divide by two) */"
" pand %%mm6 , %%mm1; /* kill downshifted bits */"
" pand %%mm6 , %%mm2; /* kill downshifted bits */"
" paddusw %%mm2 , %%mm1; /* add up ... */"
" movq %%mm3 , %%mm4; /* copy reference to mm4 */"
" psubusb %%mm1 , %%mm3; /* positive differences between mm2 and mm1 */"
" psubusb %%mm4 , %%mm1; /* positive differences between mm1 and mm3 */"
" paddusb %%mm3 , %%mm1; /* mm1 now contains abs(mm1-mm2) */"
" paddusw %%mm1 , %%mm0; /* add result to mm0 */"
" addl %%ecx , %%esi; /* add framewidth to frameaddress */"
" addl %%ecx , %%edi; /* add framewidth to frameaddress */"
" addl %%ecx , %%ecx; /* add framewidth to frameaddress */"
" .endr ; /* */"
" /* */"
" movq %%mm0 , %0 ; /* make mm0 available to gcc ... */"
:"=g" (a)
:"S" (frm1),"D" (frm2), "a" (ref), "c" (denoiser.frame.w)
);
#endif
#endif
return a;
}
/*********************************************************************
* *
* halfpel SAD-function for Y with MMXE *
* *
*********************************************************************/
uint32_t
calc_SAD_half_mmxe (uint8_t * ref, uint8_t * frm1, uint8_t * frm2)
{
static uint32_t a;
#ifdef ARCH_X86
#ifdef HAVE_ASM_MMX
__asm__ __volatile__
(
" pxor %%mm0 , %%mm0; /* clear mm0 */\n"
" ; /* */\n"
" .rept 8 ; /* */\n"
" movq (%%esi), %%mm1; /* 8 Pixels from filtered frame to mm1 */\n"
" movq (%%edi), %%mm2; /* 8 Pixels from filtered frame to mm2 (displaced) */\n"
" movq (%%eax), %%mm3; /* 8 Pixels from reference frame to mm3 */\n"
" pavgb %%mm2 , %%mm1; /* average source pixels */\n"
" psadbw %%mm3 , %%mm1; /* 8 Pixels difference to mm1 */\n"
" paddusw %%mm1 , %%mm0; /* add result to mm0 */\n"
" addl %%ecx , %%esi; /* add framewidth to frameaddress */\n"
" addl %%ecx , %%edi; /* add framewidth to frameaddress */\n"
" addl %%ecx , %%eax; /* add framewidth to frameaddress */\n"
" .endr ; /* */\n"
" /* */\n"
" movq %%mm0 , %0 ; /* make mm0 available to gcc ... */\n"
:"=g" (a)
:"S" (frm1),"D" (frm2), "a" (ref), "c" (denoiser.frame.w)
);
#endif
#endif
return a;
}
/*********************************************************************
* *
* Estimate Motion Vectors in 4 times subsampled frames *
* *
*********************************************************************/
void
mb_search_44 (uint16_t x, uint16_t y)
{
uint32_t best_SAD=0x00ffffff;
uint32_t SAD=0x00ffffff;
uint32_t SAD_uv=0x00ffffff;
uint8_t radius = denoiser.radius>>2; /* search radius /4 in pixels */
int32_t MB_ref_offset = denoiser.frame.w * (y>>2) + (x>>2);
int32_t MB_avg_offset;
int32_t MB_ref_offset_uv = (denoiser.frame.w>>1) * (y>>3) + (x>>3);
int32_t MB_avg_offset_uv;
int32_t last_uv_offset=0;
int16_t xx;
int16_t yy;
SAD = calc_SAD ( denoiser.frame.sub4ref[Yy]+MB_ref_offset,
denoiser.frame.sub4avg[Yy]+MB_ref_offset );
SAD += calc_SAD_uv ( denoiser.frame.sub4ref[Cr]+MB_ref_offset_uv,
denoiser.frame.sub4avg[Cr]+MB_ref_offset_uv );
SAD += calc_SAD_uv ( denoiser.frame.sub4ref[Cb]+MB_ref_offset_uv,
denoiser.frame.sub4avg[Cb]+MB_ref_offset_uv );
for(yy=-radius;yy<radius;yy++) {
for(xx=-radius;xx<radius;xx++)
{
MB_avg_offset = MB_ref_offset+(xx)+(yy*denoiser.frame.w);
MB_avg_offset_uv = MB_ref_offset_uv+(xx>>1)+((yy>>1)*(denoiser.frame.w>>1));
SAD = calc_SAD ( denoiser.frame.sub4ref[Yy]+MB_ref_offset,
denoiser.frame.sub4avg[Yy]+MB_avg_offset );
if(MB_ref_offset_uv != last_uv_offset)
{
last_uv_offset=MB_ref_offset_uv;
SAD_uv = calc_SAD_uv ( denoiser.frame.sub4ref[Cr]+MB_ref_offset_uv,
denoiser.frame.sub4avg[Cr]+MB_avg_offset_uv );
SAD_uv += calc_SAD_uv ( denoiser.frame.sub4ref[Cb]+MB_ref_offset_uv,
denoiser.frame.sub4avg[Cb]+MB_avg_offset_uv );
}
SAD += SAD_uv;
SAD += xx*xx + yy*yy; /* favour center matches... */
if(SAD<=best_SAD)
{
best_SAD = SAD;
vector.x = xx;
vector.y = yy;
}
}
}
}
/*********************************************************************
* *
* Estimate Motion Vectors in 2 times subsampled frames *
* *
*********************************************************************/
void
mb_search_22 (uint16_t x, uint16_t y)
{
uint32_t best_SAD=0x00ffffff;
uint32_t SAD=0x00ffffff;
uint32_t SAD_uv=0x00ffffff;
int32_t MB_ref_offset = denoiser.frame.w * (y>>1) + (x>>1);
int32_t MB_avg_offset;
int32_t MB_ref_offset_uv = (denoiser.frame.w>>1) * (y>>2) + (x>>2);
int32_t MB_avg_offset_uv;
int32_t last_uv_offset=0;
int16_t xx;
int16_t yy;
int16_t vx=vector.x<<1;
int16_t vy=vector.y<<1;
/* motion-vectors from 44 can/will be wrong by +/- 3 pixels */
for(yy=-2;yy<2;yy++)
for(xx=-2;xx<2;xx++)
{
MB_avg_offset=MB_ref_offset+(xx+vx)+((yy+vy)*denoiser.frame.w);
MB_avg_offset_uv = MB_ref_offset_uv+((xx+vx)>>2)+((yy+vy)>>2)*(denoiser.frame.w>>1);
SAD = calc_SAD ( denoiser.frame.sub2ref[0]+MB_ref_offset,
denoiser.frame.sub2avg[0]+MB_avg_offset );
if(MB_ref_offset_uv != last_uv_offset)
{
last_uv_offset=MB_ref_offset_uv;
SAD_uv = calc_SAD_uv ( denoiser.frame.sub2ref[1]+MB_ref_offset_uv,
denoiser.frame.sub2avg[1]+MB_avg_offset_uv );
SAD_uv += calc_SAD_uv ( denoiser.frame.sub2ref[2]+MB_ref_offset_uv,
denoiser.frame.sub2avg[2]+MB_avg_offset_uv );
}
SAD += SAD_uv;
if(SAD<=best_SAD)
{
best_SAD = SAD;
varray22[2]=varray22[1];
varray22[1]=varray22[0];
varray22[0].x = xx+vx;
varray22[0].y = yy+vy;
vector.x = xx+vx;
vector.y = yy+vy;
}
}
}
/*********************************************************************
* *
* Estimate Motion Vectors in not subsampled frames *
* *
*********************************************************************/
void
mb_search_11 (uint16_t x, uint16_t y)
{
uint32_t best_SAD = 0x00ffffff;
uint32_t SAD=0x00ffffff;
int32_t MB_ref_offset = denoiser.frame.w * (y) + (x);
int32_t MB_avg_offset;
int16_t xx;
int16_t yy;
int16_t vx=vector.x<<1;
int16_t vy=vector.y<<1;
/* motion-vectors from 22 can/will be wrong by +/- 2 pixels */
for(yy=-2;yy<2;yy++)
for(xx=-2;xx<2;xx++)
{
MB_avg_offset=MB_ref_offset+(xx+vx)+((yy+vy)*denoiser.frame.w);
SAD = calc_SAD ( denoiser.frame.ref[0]+MB_ref_offset,
denoiser.frame.avg[0]+MB_avg_offset );
if(SAD<best_SAD)
{
best_SAD = SAD;
vector.SAD = SAD;
vector.x = xx+vx;
vector.y = yy+vy;
}
}
/* finally do a zero check against the found vector */
SAD = calc_SAD ( denoiser.frame.ref[0]+MB_ref_offset,
denoiser.frame.avg[0]+MB_ref_offset );
if(SAD<=best_SAD)
{
vector.x = 0;
vector.y = 0;
vector.SAD = SAD;
}
}
/*********************************************************************
* *
* Estimate Motion Vectors in not subsampled frames *
* *
*********************************************************************/
uint32_t
mb_search_00 (uint16_t x, uint16_t y)
{
uint32_t best_SAD = 0x00ffffff;
uint32_t SAD;
int32_t MB_ref_offset = denoiser.frame.w * (y) + (x);
int32_t MB_avg_offset1;
int32_t MB_avg_offset2;
int16_t xx;
int16_t yy;
int16_t vx=vector.x;
int16_t vy=vector.y;
MB_avg_offset1=MB_ref_offset+(vx)+((vy)*denoiser.frame.w);
for(yy=-1;yy<1;yy++)
for(xx=-1;xx<1;xx++)
{
MB_avg_offset2=MB_ref_offset+(vx+xx)+((vy+yy)*denoiser.frame.w);
SAD = calc_SAD_half (denoiser.frame.ref[0]+MB_ref_offset,
denoiser.frame.avg[0]+MB_avg_offset1,
denoiser.frame.avg[0]+MB_avg_offset2);
if(SAD<best_SAD)
{
best_SAD = SAD;
vector.x = xx+vx*2;
vector.y = yy+vy*2;
}
}
return best_SAD;
}
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