2 |
* |
* |
3 |
* Modifications: |
* Modifications: |
4 |
* |
* |
5 |
|
* 02.04.2002 add EPZS(^2) as ME algorithm, use PMV_USESQUARES to choose between |
6 |
|
* EPZS and EPZS^2 |
7 |
* 08.02.2002 split up PMVfast into three routines: PMVFast, PMVFast_MainLoop |
* 08.02.2002 split up PMVfast into three routines: PMVFast, PMVFast_MainLoop |
8 |
* PMVFast_Refine to support multiple searches with different start points |
* PMVFast_Refine to support multiple searches with different start points |
9 |
* 07.01.2002 uv-block-based interpolation |
* 07.01.2002 uv-block-based interpolation |
33 |
|
|
34 |
#include <assert.h> |
#include <assert.h> |
35 |
#include <stdio.h> |
#include <stdio.h> |
36 |
|
#include <stdlib.h> |
37 |
|
|
38 |
#include "../encoder.h" |
#include "../encoder.h" |
39 |
#include "../utils/mbfunctions.h" |
#include "../utils/mbfunctions.h" |
73 |
#define ABS(X) (((X)>0)?(X):-(X)) |
#define ABS(X) (((X)>0)?(X):-(X)) |
74 |
#define SIGN(X) (((X)>0)?1:-1) |
#define SIGN(X) (((X)>0)?1:-1) |
75 |
|
|
76 |
|
int32_t PMVfastSearch16( |
|
int32_t PMVfastSearch8( |
|
77 |
const uint8_t * const pRef, |
const uint8_t * const pRef, |
78 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
79 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
80 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
81 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
82 |
const int x, const int y, |
const int x, const int y, |
83 |
const int start_x, int start_y, |
const uint32_t MotionFlags, |
84 |
const uint32_t iQuality, |
const MBParam * const pParam, |
|
MBParam * const pParam, |
|
85 |
MACROBLOCK * const pMBs, |
MACROBLOCK * const pMBs, |
86 |
VECTOR * const currMV, |
VECTOR * const currMV, |
87 |
VECTOR * const currPMV); |
VECTOR * const currPMV); |
88 |
|
|
89 |
int32_t PMVfastSearch16( |
int32_t EPZSSearch16( |
90 |
const uint8_t * const pRef, |
const uint8_t * const pRef, |
91 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
92 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
93 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
94 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
95 |
const int x, const int y, |
const int x, const int y, |
96 |
const uint32_t iQuality, |
const uint32_t MotionFlags, |
97 |
MBParam * const pParam, |
const MBParam * const pParam, |
98 |
MACROBLOCK * const pMBs, |
MACROBLOCK * const pMBs, |
99 |
VECTOR * const currMV, |
VECTOR * const currMV, |
100 |
VECTOR * const currPMV); |
VECTOR * const currPMV); |
101 |
|
|
102 |
|
|
103 |
|
int32_t PMVfastSearch8( |
104 |
|
const uint8_t * const pRef, |
105 |
|
const uint8_t * const pRefH, |
106 |
|
const uint8_t * const pRefV, |
107 |
|
const uint8_t * const pRefHV, |
108 |
|
const IMAGE * const pCur, |
109 |
|
const int x, const int y, |
110 |
|
const int start_x, int start_y, |
111 |
|
const uint32_t MotionFlags, |
112 |
|
const MBParam * const pParam, |
113 |
|
MACROBLOCK * const pMBs, |
114 |
|
VECTOR * const currMV, |
115 |
|
VECTOR * const currPMV); |
116 |
|
|
117 |
/* |
int32_t EPZSSearch8( |
118 |
* diamond search stuff |
const uint8_t * const pRef, |
119 |
* keep the the sequence in circular order (so optimization works) |
const uint8_t * const pRefH, |
120 |
*/ |
const uint8_t * const pRefV, |
121 |
|
const uint8_t * const pRefHV, |
122 |
|
const IMAGE * const pCur, |
123 |
|
const int x, const int y, |
124 |
|
const int start_x, int start_y, |
125 |
|
const uint32_t MotionFlags, |
126 |
|
const MBParam * const pParam, |
127 |
|
MACROBLOCK * const pMBs, |
128 |
|
VECTOR * const currMV, |
129 |
|
VECTOR * const currPMV); |
130 |
|
|
|
typedef struct |
|
|
{ |
|
|
int32_t dx; |
|
|
int32_t dy; |
|
|
} |
|
|
DPOINT; |
|
131 |
|
|
132 |
|
typedef int32_t (MainSearch16Func)( |
133 |
|
const uint8_t * const pRef, |
134 |
|
const uint8_t * const pRefH, |
135 |
|
const uint8_t * const pRefV, |
136 |
|
const uint8_t * const pRefHV, |
137 |
|
const uint8_t * const cur, |
138 |
|
const int x, const int y, |
139 |
|
int32_t startx, int32_t starty, |
140 |
|
int32_t iMinSAD, |
141 |
|
VECTOR * const currMV, |
142 |
|
const VECTOR * const pmv, |
143 |
|
const int32_t min_dx, const int32_t max_dx, |
144 |
|
const int32_t min_dy, const int32_t max_dy, |
145 |
|
const int32_t iEdgedWidth, |
146 |
|
const int32_t iDiamondSize, |
147 |
|
const int32_t iFcode, |
148 |
|
const int32_t iQuant, |
149 |
|
int iFound); |
150 |
|
|
151 |
static const DPOINT diamond_small[4] = |
typedef MainSearch16Func* MainSearch16FuncPtr; |
|
{ |
|
|
{0, 1}, {1, 0}, {0, -1}, {-1, 0} |
|
|
}; |
|
152 |
|
|
153 |
|
|
154 |
static const DPOINT diamond_large[8] = |
typedef int32_t (MainSearch8Func)( |
155 |
{ |
const uint8_t * const pRef, |
156 |
{0, 2}, {1, 1}, {2, 0}, {1, -1}, {0, -2}, {-1, -1}, {-2, 0}, {-1, 1} |
const uint8_t * const pRefH, |
157 |
}; |
const uint8_t * const pRefV, |
158 |
|
const uint8_t * const pRefHV, |
159 |
|
const uint8_t * const cur, |
160 |
|
const int x, const int y, |
161 |
|
int32_t startx, int32_t starty, |
162 |
|
int32_t iMinSAD, |
163 |
|
VECTOR * const currMV, |
164 |
|
const VECTOR * const pmv, |
165 |
|
const int32_t min_dx, const int32_t max_dx, |
166 |
|
const int32_t min_dy, const int32_t max_dy, |
167 |
|
const int32_t iEdgedWidth, |
168 |
|
const int32_t iDiamondSize, |
169 |
|
const int32_t iFcode, |
170 |
|
const int32_t iQuant, |
171 |
|
int iFound); |
172 |
|
|
173 |
|
typedef MainSearch8Func* MainSearch8FuncPtr; |
174 |
|
|
175 |
// mv.length table |
// mv.length table |
176 |
static const uint32_t mvtab[33] = { |
static const uint32_t mvtab[33] = { |
308 |
|
|
309 |
#ifndef SEARCH16 |
#ifndef SEARCH16 |
310 |
#define SEARCH16 PMVfastSearch16 |
#define SEARCH16 PMVfastSearch16 |
311 |
|
//#define SEARCH16 FullSearch16 |
312 |
|
//#define SEARCH16 EPZSSearch16 |
313 |
#endif |
#endif |
314 |
|
|
315 |
#ifndef SEARCH8 |
#ifndef SEARCH8 |
316 |
#define SEARCH8 PMVfastSearch8 |
#define SEARCH8 PMVfastSearch8 |
317 |
|
//#define SEARCH8 EPZSSearch8 |
318 |
#endif |
#endif |
319 |
|
|
320 |
bool MotionEstimation( |
bool MotionEstimation( |
442 |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ |
443 |
} |
} |
444 |
|
|
445 |
|
#define NOCHECK_MV16_CANDIDATE(X,Y) { \ |
446 |
|
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
447 |
|
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
448 |
|
if (iSAD < iMinSAD) \ |
449 |
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
450 |
|
} |
451 |
|
|
452 |
#define CHECK_MV16_CANDIDATE(X,Y) { \ |
#define CHECK_MV16_CANDIDATE(X,Y) { \ |
453 |
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
487 |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ |
488 |
} |
} |
489 |
|
|
490 |
|
#define NOCHECK_MV8_CANDIDATE(X,Y) \ |
491 |
|
{ \ |
492 |
|
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
493 |
|
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
494 |
|
if (iSAD < iMinSAD) \ |
495 |
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
496 |
|
} |
497 |
|
|
498 |
#define CHECK_MV8_CANDIDATE(X,Y) { \ |
#define CHECK_MV8_CANDIDATE(X,Y) { \ |
499 |
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
564 |
} |
} |
565 |
*/ |
*/ |
566 |
|
|
567 |
int32_t PMVfastSearch16_MainSearch( |
int32_t Diamond16_MainSearch( |
568 |
const uint8_t * const pRef, |
const uint8_t * const pRef, |
569 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
570 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
621 |
return iMinSAD; |
return iMinSAD; |
622 |
} |
} |
623 |
|
|
624 |
int32_t PMVfastSearch16_Refine( |
int32_t Square16_MainSearch( |
625 |
|
const uint8_t * const pRef, |
626 |
|
const uint8_t * const pRefH, |
627 |
|
const uint8_t * const pRefV, |
628 |
|
const uint8_t * const pRefHV, |
629 |
|
const uint8_t * const cur, |
630 |
|
const int x, const int y, |
631 |
|
int32_t startx, int32_t starty, |
632 |
|
int32_t iMinSAD, |
633 |
|
VECTOR * const currMV, |
634 |
|
const VECTOR * const pmv, |
635 |
|
const int32_t min_dx, const int32_t max_dx, |
636 |
|
const int32_t min_dy, const int32_t max_dy, |
637 |
|
const int32_t iEdgedWidth, |
638 |
|
const int32_t iDiamondSize, |
639 |
|
const int32_t iFcode, |
640 |
|
const int32_t iQuant, |
641 |
|
int iFound) |
642 |
|
{ |
643 |
|
/* Do a square search around given starting point, return SAD of best */ |
644 |
|
|
645 |
|
int32_t iDirection=0; |
646 |
|
int32_t iSAD; |
647 |
|
VECTOR backupMV; |
648 |
|
backupMV.x = startx; |
649 |
|
backupMV.y = starty; |
650 |
|
|
651 |
|
/* It's one search with full square pattern, and new parts for all following diamonds */ |
652 |
|
|
653 |
|
/* new direction are extra, so 1-4 is normal diamond |
654 |
|
537 |
655 |
|
1*2 |
656 |
|
648 |
657 |
|
*/ |
658 |
|
|
659 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y,1); |
660 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
661 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
662 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
663 |
|
|
664 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
665 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
666 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
667 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
668 |
|
|
669 |
|
|
670 |
|
if (iDirection) |
671 |
|
while (!iFound) |
672 |
|
{ |
673 |
|
iFound = 1; |
674 |
|
backupMV=*currMV; |
675 |
|
|
676 |
|
switch (iDirection) |
677 |
|
{ |
678 |
|
case 1: |
679 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
680 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
681 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
682 |
|
break; |
683 |
|
case 2: |
684 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
685 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
686 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
687 |
|
break; |
688 |
|
|
689 |
|
case 3: |
690 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
691 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
692 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
693 |
|
break; |
694 |
|
|
695 |
|
case 4: |
696 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
697 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
698 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
699 |
|
break; |
700 |
|
|
701 |
|
case 5: |
702 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y,1); |
703 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
704 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
705 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
706 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
707 |
|
break; |
708 |
|
|
709 |
|
case 6: |
710 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
711 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
712 |
|
|
713 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
714 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
715 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
716 |
|
|
717 |
|
break; |
718 |
|
|
719 |
|
case 7: |
720 |
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
721 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
722 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
723 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
724 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
725 |
|
break; |
726 |
|
|
727 |
|
case 8: |
728 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
729 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
730 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
731 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
732 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
733 |
|
break; |
734 |
|
default: |
735 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y,1); |
736 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
737 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
738 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
739 |
|
|
740 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
741 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
742 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
743 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
744 |
|
break; |
745 |
|
} |
746 |
|
} |
747 |
|
else |
748 |
|
{ |
749 |
|
currMV->x = startx; |
750 |
|
currMV->y = starty; |
751 |
|
} |
752 |
|
return iMinSAD; |
753 |
|
} |
754 |
|
|
755 |
|
|
756 |
|
int32_t Full16_MainSearch( |
757 |
|
const uint8_t * const pRef, |
758 |
|
const uint8_t * const pRefH, |
759 |
|
const uint8_t * const pRefV, |
760 |
|
const uint8_t * const pRefHV, |
761 |
|
const uint8_t * const cur, |
762 |
|
const int x, const int y, |
763 |
|
int32_t startx, int32_t starty, |
764 |
|
int32_t iMinSAD, |
765 |
|
VECTOR * const currMV, |
766 |
|
const VECTOR * const pmv, |
767 |
|
const int32_t min_dx, const int32_t max_dx, |
768 |
|
const int32_t min_dy, const int32_t max_dy, |
769 |
|
const int32_t iEdgedWidth, |
770 |
|
const int32_t iDiamondSize, |
771 |
|
const int32_t iFcode, |
772 |
|
const int32_t iQuant, |
773 |
|
int iFound) |
774 |
|
{ |
775 |
|
int32_t iSAD; |
776 |
|
int32_t dx,dy; |
777 |
|
VECTOR backupMV; |
778 |
|
backupMV.x = startx; |
779 |
|
backupMV.y = starty; |
780 |
|
|
781 |
|
for (dx = min_dx; dx<=max_dx; dx+=iDiamondSize) |
782 |
|
for (dy = min_dy; dy<= max_dy; dy+=iDiamondSize) |
783 |
|
NOCHECK_MV16_CANDIDATE(dx,dy); |
784 |
|
|
785 |
|
return iMinSAD; |
786 |
|
} |
787 |
|
|
788 |
|
int32_t Full8_MainSearch( |
789 |
|
const uint8_t * const pRef, |
790 |
|
const uint8_t * const pRefH, |
791 |
|
const uint8_t * const pRefV, |
792 |
|
const uint8_t * const pRefHV, |
793 |
|
const uint8_t * const cur, |
794 |
|
const int x, const int y, |
795 |
|
int32_t startx, int32_t starty, |
796 |
|
int32_t iMinSAD, |
797 |
|
VECTOR * const currMV, |
798 |
|
const VECTOR * const pmv, |
799 |
|
const int32_t min_dx, const int32_t max_dx, |
800 |
|
const int32_t min_dy, const int32_t max_dy, |
801 |
|
const int32_t iEdgedWidth, |
802 |
|
const int32_t iDiamondSize, |
803 |
|
const int32_t iFcode, |
804 |
|
const int32_t iQuant, |
805 |
|
int iFound) |
806 |
|
{ |
807 |
|
int32_t iSAD; |
808 |
|
int32_t dx,dy; |
809 |
|
VECTOR backupMV; |
810 |
|
backupMV.x = startx; |
811 |
|
backupMV.y = starty; |
812 |
|
|
813 |
|
for (dx = min_dx; dx<=max_dx; dx+=iDiamondSize) |
814 |
|
for (dy = min_dy; dy<= max_dy; dy+=iDiamondSize) |
815 |
|
NOCHECK_MV8_CANDIDATE(dx,dy); |
816 |
|
|
817 |
|
return iMinSAD; |
818 |
|
} |
819 |
|
|
820 |
|
|
821 |
|
|
822 |
|
int32_t Halfpel16_Refine( |
823 |
const uint8_t * const pRef, |
const uint8_t * const pRef, |
824 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
825 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
854 |
|
|
855 |
#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
856 |
|
|
857 |
|
|
858 |
int32_t PMVfastSearch16( |
int32_t PMVfastSearch16( |
859 |
const uint8_t * const pRef, |
const uint8_t * const pRef, |
860 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
863 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
864 |
const int x, const int y, |
const int x, const int y, |
865 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
866 |
MBParam * const pParam, |
const MBParam * const pParam, |
867 |
MACROBLOCK * const pMBs, |
MACROBLOCK * const pMBs, |
868 |
VECTOR * const currMV, |
VECTOR * const currMV, |
869 |
VECTOR * const currPMV) |
VECTOR * const currPMV) |
994 |
{ |
{ |
995 |
|
|
996 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
997 |
goto step10b; |
goto PMVfast16_Terminate_without_Refine; |
998 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
999 |
goto step10; |
goto PMVfast16_Terminate_with_Refine; |
1000 |
} |
} |
1001 |
|
|
1002 |
/* |
/* |
1050 |
if ( (iMinSAD <= threshA) || ( MVequal(*currMV,pMB->mvs[0]) && (iMinSAD < pMB->sad16) ) ) |
if ( (iMinSAD <= threshA) || ( MVequal(*currMV,pMB->mvs[0]) && (iMinSAD < pMB->sad16) ) ) |
1051 |
{ |
{ |
1052 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1053 |
goto step10b; |
goto PMVfast16_Terminate_without_Refine; |
1054 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
1055 |
goto step10; |
goto PMVfast16_Terminate_with_Refine; |
1056 |
} |
} |
1057 |
|
|
1058 |
|
|
1069 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1070 |
|
|
1071 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1072 |
iSAD = PMVfastSearch16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
1073 |
x, y, |
x, y, |
1074 |
currMV->x, currMV->y, iMinSAD, &newMV, |
currMV->x, currMV->y, iMinSAD, &newMV, |
1075 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
1085 |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
1086 |
|
|
1087 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0],backupMV)) ) |
1088 |
{ iSAD = PMVfastSearch16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
1089 |
x, y, |
x, y, |
1090 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
1091 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
1098 |
} |
} |
1099 |
|
|
1100 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
1101 |
{ iSAD = PMVfastSearch16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
1102 |
x, y, |
x, y, |
1103 |
0, 0, iMinSAD, &newMV, |
0, 0, iMinSAD, &newMV, |
1104 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
1115 |
Step 10: The motion vector is chosen according to the block corresponding to MinSAD. |
Step 10: The motion vector is chosen according to the block corresponding to MinSAD. |
1116 |
*/ |
*/ |
1117 |
|
|
1118 |
step10: |
PMVfast16_Terminate_with_Refine: |
1119 |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
1120 |
iMinSAD = PMVfastSearch16_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = Halfpel16_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
1121 |
x, y, |
x, y, |
1122 |
currMV, iMinSAD, |
currMV, iMinSAD, |
1123 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
1124 |
|
|
1125 |
step10b: |
PMVfast16_Terminate_without_Refine: |
1126 |
currPMV->x = currMV->x - pmv[0].x; |
currPMV->x = currMV->x - pmv[0].x; |
1127 |
currPMV->y = currMV->y - pmv[0].y; |
currPMV->y = currMV->y - pmv[0].y; |
1128 |
return iMinSAD; |
return iMinSAD; |
1133 |
|
|
1134 |
|
|
1135 |
|
|
1136 |
int32_t PMVfastSearch8_MainSearch( |
int32_t Diamond8_MainSearch( |
1137 |
const uint8_t * const pRef, |
const uint8_t * const pRef, |
1138 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1139 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1190 |
return iMinSAD; |
return iMinSAD; |
1191 |
} |
} |
1192 |
|
|
1193 |
int32_t PMVfastSearch8_Refine( |
int32_t Halfpel8_Refine( |
1194 |
const uint8_t * const pRef, |
const uint8_t * const pRef, |
1195 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1196 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1235 |
const int x, const int y, |
const int x, const int y, |
1236 |
const int start_x, int start_y, |
const int start_x, int start_y, |
1237 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
1238 |
MBParam * const pParam, |
const MBParam * const pParam, |
1239 |
MACROBLOCK * const pMBs, |
MACROBLOCK * const pMBs, |
1240 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1241 |
VECTOR * const currPMV) |
VECTOR * const currPMV) |
1343 |
|
|
1344 |
if ( (iMinSAD < 256/4 ) || ( (MVequal(*currMV,pMB->mvs[iSubBlock])) && (iMinSAD < pMB->sad8[iSubBlock]) ) ) |
if ( (iMinSAD < 256/4 ) || ( (MVequal(*currMV,pMB->mvs[iSubBlock])) && (iMinSAD < pMB->sad8[iSubBlock]) ) ) |
1345 |
{ |
{ |
1346 |
if (MotionFlags & PMV_QUICKSTOP8) |
if (MotionFlags & PMV_QUICKSTOP16) |
1347 |
goto step10_8b; |
goto PMVfast8_Terminate_without_Refine; |
1348 |
if (MotionFlags & PMV_EARLYSTOP8) |
if (MotionFlags & PMV_EARLYSTOP16) |
1349 |
goto step10_8; |
goto PMVfast8_Terminate_with_Refine; |
1350 |
} |
} |
1351 |
|
|
1352 |
|
|
1353 |
/* |
/* |
1354 |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
1355 |
Also calculate (0,0) but do not subtract offset. |
Also calculate (0,0) but do not subtract offset. |
1402 |
|
|
1403 |
if ( (iMinSAD <= threshA) || ( MVequal(*currMV,pMB->mvs[iSubBlock]) && (iMinSAD < pMB->sad8[iSubBlock]) ) ) |
if ( (iMinSAD <= threshA) || ( MVequal(*currMV,pMB->mvs[iSubBlock]) && (iMinSAD < pMB->sad8[iSubBlock]) ) ) |
1404 |
{ |
{ |
1405 |
if (MotionFlags & PMV_QUICKSTOP8) |
if (MotionFlags & PMV_QUICKSTOP16) |
1406 |
goto step10_8b; |
goto PMVfast8_Terminate_without_Refine; |
1407 |
if (MotionFlags & PMV_EARLYSTOP8) |
if (MotionFlags & PMV_EARLYSTOP16) |
1408 |
goto step10_8; |
goto PMVfast8_Terminate_with_Refine; |
1409 |
} |
} |
1410 |
|
|
1411 |
/************ (Diamond Search) **************/ |
/************ (Diamond Search) **************/ |
1421 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1422 |
|
|
1423 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1424 |
iSAD = PMVfastSearch8_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = Diamond8_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
1425 |
x, y, |
x, y, |
1426 |
currMV->x, currMV->y, iMinSAD, &newMV, |
currMV->x, currMV->y, iMinSAD, &newMV, |
1427 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
1437 |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
1438 |
|
|
1439 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0],backupMV)) ) |
1440 |
{ iSAD = PMVfastSearch16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
1441 |
x, y, |
x, y, |
1442 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
1443 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
1450 |
} |
} |
1451 |
|
|
1452 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
1453 |
{ iSAD = PMVfastSearch16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
1454 |
x, y, |
x, y, |
1455 |
0, 0, iMinSAD, &newMV, |
0, 0, iMinSAD, &newMV, |
1456 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
1467 |
By performing an optional local half-pixel search, we can refine this result even further. |
By performing an optional local half-pixel search, we can refine this result even further. |
1468 |
*/ |
*/ |
1469 |
|
|
1470 |
step10_8: |
PMVfast8_Terminate_with_Refine: |
1471 |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
1472 |
iMinSAD = PMVfastSearch8_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = Halfpel8_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
1473 |
x, y, |
x, y, |
1474 |
currMV, iMinSAD, |
currMV, iMinSAD, |
1475 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
1476 |
|
|
|
step10_8b: |
|
1477 |
|
|
1478 |
|
PMVfast8_Terminate_without_Refine: |
1479 |
currPMV->x = currMV->x - pmv[0].x; |
currPMV->x = currMV->x - pmv[0].x; |
1480 |
currPMV->y = currMV->y - pmv[0].y; |
currPMV->y = currMV->y - pmv[0].y; |
1481 |
|
|
1482 |
return iMinSAD; |
return iMinSAD; |
1483 |
} |
} |
1484 |
|
|
1485 |
|
int32_t EPZSSearch16( |
1486 |
|
const uint8_t * const pRef, |
1487 |
|
const uint8_t * const pRefH, |
1488 |
|
const uint8_t * const pRefV, |
1489 |
|
const uint8_t * const pRefHV, |
1490 |
|
const IMAGE * const pCur, |
1491 |
|
const int x, const int y, |
1492 |
|
const uint32_t MotionFlags, |
1493 |
|
const MBParam * const pParam, |
1494 |
|
MACROBLOCK * const pMBs, |
1495 |
|
VECTOR * const currMV, |
1496 |
|
VECTOR * const currPMV) |
1497 |
|
{ |
1498 |
|
const uint32_t iWcount = pParam->mb_width; |
1499 |
|
const uint32_t iHcount = pParam->mb_height; |
1500 |
|
const int32_t iFcode = pParam->fixed_code; |
1501 |
|
const int32_t iQuant = pParam->quant; |
1502 |
|
|
1503 |
|
const int32_t iWidth = pParam->width; |
1504 |
|
const int32_t iHeight = pParam->height; |
1505 |
|
const int32_t iEdgedWidth = pParam->edged_width; |
1506 |
|
|
1507 |
|
const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; |
1508 |
|
|
1509 |
|
int32_t min_dx; |
1510 |
|
int32_t max_dx; |
1511 |
|
int32_t min_dy; |
1512 |
|
int32_t max_dy; |
1513 |
|
|
1514 |
|
VECTOR newMV; |
1515 |
|
VECTOR backupMV; |
1516 |
|
|
1517 |
|
VECTOR pmv[4]; |
1518 |
|
int32_t psad[8]; |
1519 |
|
|
1520 |
|
static MACROBLOCK * oldMBs = NULL; |
1521 |
|
MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
1522 |
|
MACROBLOCK * oldMB = NULL; |
1523 |
|
|
1524 |
|
static int32_t thresh2; |
1525 |
|
int32_t bPredEq; |
1526 |
|
int32_t iMinSAD,iSAD=9999; |
1527 |
|
|
1528 |
|
MainSearch16FuncPtr EPZSMainSearchPtr; |
1529 |
|
|
1530 |
|
if (oldMBs == NULL) |
1531 |
|
{ oldMBs = (MACROBLOCK*) calloc(1,iWcount*iHcount*sizeof(MACROBLOCK)); |
1532 |
|
fprintf(stderr,"allocated %d bytes for oldMBs\n",iWcount*iHcount*sizeof(MACROBLOCK)); |
1533 |
|
} |
1534 |
|
oldMB = oldMBs + x + y * iWcount; |
1535 |
|
|
1536 |
|
/* Get maximum range */ |
1537 |
|
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
1538 |
|
x, y, 16, iWidth, iHeight, iFcode); |
1539 |
|
|
1540 |
|
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
1541 |
|
|
1542 |
|
if (!(MotionFlags & PMV_HALFPEL16 )) |
1543 |
|
{ min_dx = EVEN(min_dx); |
1544 |
|
max_dx = EVEN(max_dx); |
1545 |
|
min_dy = EVEN(min_dy); |
1546 |
|
max_dy = EVEN(max_dy); |
1547 |
|
} /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
1548 |
|
|
1549 |
|
bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
1550 |
|
|
1551 |
|
/* Step 4: Calculate SAD around the Median prediction. |
1552 |
|
MinSAD=SAD |
1553 |
|
If Motion Vector equal to Previous frame motion vector |
1554 |
|
and MinSAD<PrevFrmSAD goto Step 10. |
1555 |
|
If SAD<=256 goto Step 10. |
1556 |
|
*/ |
1557 |
|
|
1558 |
|
// Prepare for main loop |
1559 |
|
|
1560 |
|
*currMV=pmv[0]; /* current best := median prediction */ |
1561 |
|
if (!(MotionFlags & PMV_HALFPEL16)) |
1562 |
|
{ |
1563 |
|
currMV->x = EVEN(currMV->x); |
1564 |
|
currMV->y = EVEN(currMV->y); |
1565 |
|
} |
1566 |
|
|
1567 |
|
if (currMV->x > max_dx) |
1568 |
|
currMV->x=max_dx; |
1569 |
|
if (currMV->x < min_dx) |
1570 |
|
currMV->x=min_dx; |
1571 |
|
if (currMV->y > max_dy) |
1572 |
|
currMV->y=max_dy; |
1573 |
|
if (currMV->y < min_dy) |
1574 |
|
currMV->y=min_dy; |
1575 |
|
|
1576 |
|
/***************** This is predictor SET A: only median prediction ******************/ |
1577 |
|
|
1578 |
|
iMinSAD = sad16( cur, |
1579 |
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, iEdgedWidth), |
1580 |
|
iEdgedWidth, MV_MAX_ERROR); |
1581 |
|
iMinSAD += calc_delta_16(currMV->x-pmv[0].x, currMV->y-pmv[0].y, (uint8_t)iFcode) * iQuant; |
1582 |
|
|
1583 |
|
// thresh1 is fixed to 256 |
1584 |
|
if ( (iMinSAD < 256 ) || ( (MVequal(*currMV,pMB->mvs[0])) && (iMinSAD < pMB->sad16) ) ) |
1585 |
|
{ |
1586 |
|
if (MotionFlags & PMV_QUICKSTOP16) |
1587 |
|
goto EPZS16_Terminate_without_Refine; |
1588 |
|
if (MotionFlags & PMV_EARLYSTOP16) |
1589 |
|
goto EPZS16_Terminate_with_Refine; |
1590 |
|
} |
1591 |
|
|
1592 |
|
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
1593 |
|
|
1594 |
|
// previous frame MV |
1595 |
|
CHECK_MV16_CANDIDATE(pMB->mvs[0].x,pMB->mvs[0].y); |
1596 |
|
|
1597 |
|
// set threshhold based on Min of Prediction and SAD of collocated block |
1598 |
|
// CHECK_MV16 always uses iSAD for the SAD of last vector to check, so now iSAD is what we want |
1599 |
|
|
1600 |
|
if ((x==0) && (y==0) ) |
1601 |
|
{ |
1602 |
|
thresh2 = 512; |
1603 |
|
} |
1604 |
|
else |
1605 |
|
{ |
1606 |
|
/* T_k = 1.2 * MIN(SAD_top,SAD_left,SAD_topleft,SAD_coll) +128; [Tourapis, 2002] */ |
1607 |
|
|
1608 |
|
thresh2 = MIN(psad[0],iSAD)*6/5 + 128; |
1609 |
|
} |
1610 |
|
|
1611 |
|
// MV=(0,0) is often a good choice |
1612 |
|
|
1613 |
|
CHECK_MV16_ZERO; |
1614 |
|
|
1615 |
|
|
1616 |
|
// left neighbour, if allowed |
1617 |
|
if (x != 0) |
1618 |
|
{ |
1619 |
|
if (!(MotionFlags & PMV_HALFPEL16 )) |
1620 |
|
{ pmv[1].x = EVEN(pmv[1].x); |
1621 |
|
pmv[1].y = EVEN(pmv[1].y); |
1622 |
|
} |
1623 |
|
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
1624 |
|
} |
1625 |
|
|
1626 |
|
// top neighbour, if allowed |
1627 |
|
if (y != 0) |
1628 |
|
{ |
1629 |
|
if (!(MotionFlags & PMV_HALFPEL16 )) |
1630 |
|
{ pmv[2].x = EVEN(pmv[2].x); |
1631 |
|
pmv[2].y = EVEN(pmv[2].y); |
1632 |
|
} |
1633 |
|
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
1634 |
|
|
1635 |
|
// top right neighbour, if allowed |
1636 |
|
if (x != (iWcount-1)) |
1637 |
|
{ |
1638 |
|
if (!(MotionFlags & PMV_HALFPEL16 )) |
1639 |
|
{ pmv[3].x = EVEN(pmv[3].x); |
1640 |
|
pmv[3].y = EVEN(pmv[3].y); |
1641 |
|
} |
1642 |
|
CHECK_MV16_CANDIDATE(pmv[3].x,pmv[3].y); |
1643 |
|
} |
1644 |
|
} |
1645 |
|
|
1646 |
|
/* Terminate if MinSAD <= T_2 |
1647 |
|
Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] |
1648 |
|
*/ |
1649 |
|
|
1650 |
|
if ( (iMinSAD <= thresh2) |
1651 |
|
|| ( MVequal(*currMV,pMB->mvs[0]) && (iMinSAD <= pMB->sad16) ) ) |
1652 |
|
{ |
1653 |
|
if (MotionFlags & PMV_QUICKSTOP16) |
1654 |
|
goto EPZS16_Terminate_without_Refine; |
1655 |
|
if (MotionFlags & PMV_EARLYSTOP16) |
1656 |
|
goto EPZS16_Terminate_with_Refine; |
1657 |
|
} |
1658 |
|
|
1659 |
|
/***** predictor SET C: acceleration MV (new!), neighbours in prev. frame(new!) ****/ |
1660 |
|
|
1661 |
|
backupMV = pMB->mvs[0]; // last MV |
1662 |
|
backupMV.x += (pMB->mvs[0].x - oldMB->mvs[0].x ); // acceleration X |
1663 |
|
backupMV.y += (pMB->mvs[0].y - oldMB->mvs[0].y ); // acceleration Y |
1664 |
|
|
1665 |
|
CHECK_MV16_CANDIDATE(backupMV.x,backupMV.y); |
1666 |
|
|
1667 |
|
// left neighbour |
1668 |
|
if (x != 0) |
1669 |
|
CHECK_MV16_CANDIDATE((oldMB-1)->mvs[0].x,oldMB->mvs[0].y); |
1670 |
|
|
1671 |
|
// top neighbour |
1672 |
|
if (y != 0) |
1673 |
|
CHECK_MV16_CANDIDATE((oldMB-iWcount)->mvs[0].x,oldMB->mvs[0].y); |
1674 |
|
|
1675 |
|
// right neighbour, if allowed (this value is not written yet, so take it from pMB->mvs |
1676 |
|
|
1677 |
|
if (x != iWcount-1) |
1678 |
|
CHECK_MV16_CANDIDATE((pMB+1)->mvs[0].x,oldMB->mvs[0].y); |
1679 |
|
|
1680 |
|
// bottom neighbour, dito |
1681 |
|
if (y != iHcount-1) |
1682 |
|
CHECK_MV16_CANDIDATE((pMB+iWcount)->mvs[0].x,oldMB->mvs[0].y); |
1683 |
|
|
1684 |
|
/* Terminate if MinSAD <= T_3 (here T_3 = T_2) */ |
1685 |
|
if (iMinSAD <= thresh2) |
1686 |
|
{ |
1687 |
|
if (MotionFlags & PMV_QUICKSTOP16) |
1688 |
|
goto EPZS16_Terminate_without_Refine; |
1689 |
|
if (MotionFlags & PMV_EARLYSTOP16) |
1690 |
|
goto EPZS16_Terminate_with_Refine; |
1691 |
|
} |
1692 |
|
|
1693 |
|
/************ (if Diamond Search) **************/ |
1694 |
|
|
1695 |
|
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1696 |
|
|
1697 |
|
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1698 |
|
|
1699 |
|
if (MotionFlags & PMV_USESQUARES16) |
1700 |
|
EPZSMainSearchPtr = Square16_MainSearch; |
1701 |
|
else |
1702 |
|
EPZSMainSearchPtr = Diamond16_MainSearch; |
1703 |
|
|
1704 |
|
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
1705 |
|
x, y, |
1706 |
|
currMV->x, currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
1707 |
|
2, iFcode, iQuant, 0); |
1708 |
|
|
1709 |
|
if (iSAD < iMinSAD) |
1710 |
|
{ |
1711 |
|
*currMV = newMV; |
1712 |
|
iMinSAD = iSAD; |
1713 |
|
} |
1714 |
|
|
1715 |
|
|
1716 |
|
if (MotionFlags & PMV_EXTSEARCH16) |
1717 |
|
{ |
1718 |
|
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
1719 |
|
|
1720 |
|
if (!(MVequal(pmv[0],backupMV)) ) |
1721 |
|
{ |
1722 |
|
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
1723 |
|
x, y, |
1724 |
|
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
1725 |
|
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
1726 |
|
} |
1727 |
|
|
1728 |
|
if (iSAD < iMinSAD) |
1729 |
|
{ |
1730 |
|
*currMV = newMV; |
1731 |
|
iMinSAD = iSAD; |
1732 |
|
} |
1733 |
|
|
1734 |
|
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
1735 |
|
{ |
1736 |
|
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
1737 |
|
x, y, |
1738 |
|
0, 0, iMinSAD, &newMV, |
1739 |
|
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, /*iDiamondSize*/ 2, iFcode, iQuant, 0); |
1740 |
|
|
1741 |
|
if (iSAD < iMinSAD) |
1742 |
|
{ |
1743 |
|
*currMV = newMV; |
1744 |
|
iMinSAD = iSAD; |
1745 |
|
} |
1746 |
|
} |
1747 |
|
} |
1748 |
|
|
1749 |
|
/*************** Choose best MV found **************/ |
1750 |
|
|
1751 |
|
EPZS16_Terminate_with_Refine: |
1752 |
|
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
1753 |
|
iMinSAD = Halfpel16_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
1754 |
|
x, y, |
1755 |
|
currMV, iMinSAD, |
1756 |
|
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
1757 |
|
|
1758 |
|
EPZS16_Terminate_without_Refine: |
1759 |
|
|
1760 |
|
*oldMB = *pMB; |
1761 |
|
|
1762 |
|
currPMV->x = currMV->x - pmv[0].x; |
1763 |
|
currPMV->y = currMV->y - pmv[0].y; |
1764 |
|
return iMinSAD; |
1765 |
|
} |
1766 |
|
|
1767 |
|
|
1768 |
|
int32_t EPZSSearch8( |
1769 |
|
const uint8_t * const pRef, |
1770 |
|
const uint8_t * const pRefH, |
1771 |
|
const uint8_t * const pRefV, |
1772 |
|
const uint8_t * const pRefHV, |
1773 |
|
const IMAGE * const pCur, |
1774 |
|
const int x, const int y, |
1775 |
|
const int start_x, const int start_y, |
1776 |
|
const uint32_t MotionFlags, |
1777 |
|
const MBParam * const pParam, |
1778 |
|
MACROBLOCK * const pMBs, |
1779 |
|
VECTOR * const currMV, |
1780 |
|
VECTOR * const currPMV) |
1781 |
|
{ |
1782 |
|
const uint32_t iWcount = pParam->mb_width; |
1783 |
|
const int32_t iFcode = pParam->fixed_code; |
1784 |
|
const int32_t iQuant = pParam->quant; |
1785 |
|
|
1786 |
|
const int32_t iWidth = pParam->width; |
1787 |
|
const int32_t iHeight = pParam->height; |
1788 |
|
const int32_t iEdgedWidth = pParam->edged_width; |
1789 |
|
|
1790 |
|
const uint8_t * cur = pCur->y + x*8 + y*8*iEdgedWidth; |
1791 |
|
|
1792 |
|
int32_t iDiamondSize=1; |
1793 |
|
|
1794 |
|
int32_t min_dx; |
1795 |
|
int32_t max_dx; |
1796 |
|
int32_t min_dy; |
1797 |
|
int32_t max_dy; |
1798 |
|
|
1799 |
|
VECTOR newMV; |
1800 |
|
VECTOR backupMV; |
1801 |
|
|
1802 |
|
VECTOR pmv[4]; |
1803 |
|
int32_t psad[8]; |
1804 |
|
|
1805 |
|
const int32_t iSubBlock = ((y&1)<<1) + (x&1); |
1806 |
|
|
1807 |
|
MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
1808 |
|
|
1809 |
|
int32_t bPredEq; |
1810 |
|
int32_t iMinSAD,iSAD=9999; |
1811 |
|
|
1812 |
|
MainSearch8FuncPtr EPZSMainSearchPtr; |
1813 |
|
|
1814 |
|
/* Get maximum range */ |
1815 |
|
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
1816 |
|
x, y, 8, iWidth, iHeight, iFcode); |
1817 |
|
|
1818 |
|
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
1819 |
|
|
1820 |
|
if (!(MotionFlags & PMV_HALFPEL8 )) |
1821 |
|
{ min_dx = EVEN(min_dx); |
1822 |
|
max_dx = EVEN(max_dx); |
1823 |
|
min_dy = EVEN(min_dy); |
1824 |
|
max_dy = EVEN(max_dy); |
1825 |
|
} /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
1826 |
|
|
1827 |
|
bPredEq = get_pmvdata(pMBs, x>>1, y>>1, iWcount, iSubBlock, pmv, psad); |
1828 |
|
|
1829 |
|
|
1830 |
|
/* Step 4: Calculate SAD around the Median prediction. |
1831 |
|
MinSAD=SAD |
1832 |
|
If Motion Vector equal to Previous frame motion vector |
1833 |
|
and MinSAD<PrevFrmSAD goto Step 10. |
1834 |
|
If SAD<=256 goto Step 10. |
1835 |
|
*/ |
1836 |
|
|
1837 |
|
// Prepare for main loop |
1838 |
|
|
1839 |
|
|
1840 |
|
if (!(MotionFlags & PMV_HALFPEL8)) |
1841 |
|
{ |
1842 |
|
currMV->x = EVEN(currMV->x); |
1843 |
|
currMV->y = EVEN(currMV->y); |
1844 |
|
} |
1845 |
|
|
1846 |
|
if (currMV->x > max_dx) |
1847 |
|
currMV->x=max_dx; |
1848 |
|
if (currMV->x < min_dx) |
1849 |
|
currMV->x=min_dx; |
1850 |
|
if (currMV->y > max_dy) |
1851 |
|
currMV->y=max_dy; |
1852 |
|
if (currMV->y < min_dy) |
1853 |
|
currMV->y=min_dy; |
1854 |
|
|
1855 |
|
/***************** This is predictor SET A: only median prediction ******************/ |
1856 |
|
|
1857 |
|
|
1858 |
|
iMinSAD = sad8( cur, |
1859 |
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, iEdgedWidth), |
1860 |
|
iEdgedWidth); |
1861 |
|
iMinSAD += calc_delta_8(currMV->x-pmv[0].x, currMV->y-pmv[0].y, (uint8_t)iFcode) * iQuant; |
1862 |
|
|
1863 |
|
|
1864 |
|
// thresh1 is fixed to 256 |
1865 |
|
if (iMinSAD < 256/4 ) |
1866 |
|
{ |
1867 |
|
if (MotionFlags & PMV_QUICKSTOP8) |
1868 |
|
goto EPZS8_Terminate_without_Refine; |
1869 |
|
if (MotionFlags & PMV_EARLYSTOP8) |
1870 |
|
goto EPZS8_Terminate_with_Refine; |
1871 |
|
} |
1872 |
|
|
1873 |
|
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
1874 |
|
|
1875 |
|
// previous frame MV |
1876 |
|
CHECK_MV8_CANDIDATE(pMB->mvs[0].x,pMB->mvs[0].y); |
1877 |
|
|
1878 |
|
// MV=(0,0) is often a good choice |
1879 |
|
|
1880 |
|
CHECK_MV8_ZERO; |
1881 |
|
|
1882 |
|
/* Terminate if MinSAD <= T_2 |
1883 |
|
Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] |
1884 |
|
*/ |
1885 |
|
|
1886 |
|
if (iMinSAD < 512/4) /* T_2 == 512/4 hardcoded */ |
1887 |
|
{ |
1888 |
|
if (MotionFlags & PMV_QUICKSTOP8) |
1889 |
|
goto EPZS8_Terminate_without_Refine; |
1890 |
|
if (MotionFlags & PMV_EARLYSTOP8) |
1891 |
|
goto EPZS8_Terminate_with_Refine; |
1892 |
|
} |
1893 |
|
|
1894 |
|
/************ (if Diamond Search) **************/ |
1895 |
|
|
1896 |
|
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1897 |
|
|
1898 |
|
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
1899 |
|
iDiamondSize *= 2; |
1900 |
|
|
1901 |
|
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1902 |
|
|
1903 |
|
// if (MotionFlags & PMV_USESQUARES8) |
1904 |
|
// EPZSMainSearchPtr = Square8_MainSearch; |
1905 |
|
// else |
1906 |
|
EPZSMainSearchPtr = Diamond8_MainSearch; |
1907 |
|
|
1908 |
|
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
1909 |
|
x, y, |
1910 |
|
currMV->x, currMV->y, iMinSAD, &newMV, |
1911 |
|
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
1912 |
|
iDiamondSize, iFcode, iQuant, 00); |
1913 |
|
|
1914 |
|
|
1915 |
|
if (iSAD < iMinSAD) |
1916 |
|
{ |
1917 |
|
*currMV = newMV; |
1918 |
|
iMinSAD = iSAD; |
1919 |
|
} |
1920 |
|
|
1921 |
|
if (MotionFlags & PMV_EXTSEARCH8) |
1922 |
|
{ |
1923 |
|
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
1924 |
|
|
1925 |
|
if (!(MVequal(pmv[0],backupMV)) ) |
1926 |
|
{ |
1927 |
|
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
1928 |
|
x, y, |
1929 |
|
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
1930 |
|
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, 0); |
1931 |
|
|
1932 |
|
if (iSAD < iMinSAD) |
1933 |
|
{ |
1934 |
|
*currMV = newMV; |
1935 |
|
iMinSAD = iSAD; |
1936 |
|
} |
1937 |
|
} |
1938 |
|
|
1939 |
|
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
1940 |
|
{ |
1941 |
|
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
1942 |
|
x, y, |
1943 |
|
0, 0, iMinSAD, &newMV, |
1944 |
|
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, 0); |
1945 |
|
|
1946 |
|
if (iSAD < iMinSAD) |
1947 |
|
{ |
1948 |
|
*currMV = newMV; |
1949 |
|
iMinSAD = iSAD; |
1950 |
|
} |
1951 |
|
} |
1952 |
|
} |
1953 |
|
|
1954 |
|
/*************** Choose best MV found **************/ |
1955 |
|
|
1956 |
|
EPZS8_Terminate_with_Refine: |
1957 |
|
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
1958 |
|
iMinSAD = Halfpel8_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
1959 |
|
x, y, |
1960 |
|
currMV, iMinSAD, |
1961 |
|
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
1962 |
|
|
1963 |
|
EPZS8_Terminate_without_Refine: |
1964 |
|
|
1965 |
|
currPMV->x = currMV->x - pmv[0].x; |
1966 |
|
currPMV->y = currMV->y - pmv[0].y; |
1967 |
|
return iMinSAD; |
1968 |
|
} |
1969 |
|
|