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/************************************************************************** |
/************************************************************************** |
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* |
* |
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* Modifications: |
* XVID MPEG-4 VIDEO CODEC |
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* motion estimation |
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* |
* |
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* 01.05.2002 updated MotionEstimationBVOP |
* This program is an implementation of a part of one or more MPEG-4 |
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* 25.04.2002 partial prevMB conversion |
* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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* 22.04.2002 remove some compile warning by chenm001 <chenm001@163.com> |
* to use this software module in hardware or software products are |
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* 14.04.2002 added MotionEstimationBVOP() |
* advised that its use may infringe existing patents or copyrights, and |
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* 02.04.2002 add EPZS(^2) as ME algorithm, use PMV_USESQUARES to choose between |
* any such use would be at such party's own risk. The original |
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* EPZS and EPZS^2 |
* developer of this software module and his/her company, and subsequent |
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* 08.02.2002 split up PMVfast into three routines: PMVFast, PMVFast_MainLoop |
* editors and their companies, will have no liability for use of this |
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* PMVFast_Refine to support multiple searches with different start points |
* software or modifications or derivatives thereof. |
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* 07.01.2002 uv-block-based interpolation |
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* 06.01.2002 INTER/INTRA-decision is now done before any SEARCH8 (speedup) |
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* changed INTER_BIAS to 150 (as suggested by suxen_drol) |
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* removed halfpel refinement step in PMVfastSearch8 + quality=5 |
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* added new quality mode = 6 which performs halfpel refinement |
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* filesize difference between quality 5 and 6 is smaller than 1% |
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* (Isibaar) |
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* 31.12.2001 PMVfastSearch16 and PMVfastSearch8 (gruel) |
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* 30.12.2001 get_range/MotionSearchX simplified; blue/green bug fix |
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* 22.12.2001 commented best_point==99 check |
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* 19.12.2001 modified get_range (purple bug fix) |
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* 15.12.2001 moved pmv displacement from mbprediction |
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* 02.12.2001 motion estimation/compensation split (Isibaar) |
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* 16.11.2001 rewrote/tweaked search algorithms; pross@cs.rmit.edu.au |
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* 10.11.2001 support for sad16/sad8 functions |
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* 28.08.2001 reactivated MODE_INTER4V for EXT_MODE |
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* 24.08.2001 removed MODE_INTER4V_Q, disabled MODE_INTER4V for EXT_MODE |
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* 22.08.2001 added MODE_INTER4V_Q |
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* 20.08.2001 added pragma to get rid of internal compiler error with VC6 |
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* idea by Cyril. Thanks. |
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* |
* |
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* Michael Militzer <isibaar@videocoding.de> |
* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
* |
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**************************************************************************/ |
* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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* |
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*************************************************************************/ |
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#include <assert.h> |
#include <assert.h> |
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#include <stdio.h> |
#include <stdio.h> |
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#include "../prediction/mbprediction.h" |
#include "../prediction/mbprediction.h" |
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#include "../global.h" |
#include "../global.h" |
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#include "../utils/timer.h" |
#include "../utils/timer.h" |
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#include "motion_est.h" |
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#include "motion.h" |
#include "motion.h" |
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#include "sad.h" |
#include "sad.h" |
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#include "../utils/emms.h" |
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// very large value |
#define INITIAL_SKIP_THRESH (10) |
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#define MV_MAX_ERROR (4096 * 256) |
#define FINAL_SKIP_THRESH (50) |
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#define MAX_SAD00_FOR_SKIP (20) |
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// stop search if sdelta < THRESHOLD |
#define MAX_CHROMA_SAD_FOR_SKIP (22) |
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#define MV16_THRESHOLD 192 |
#define SKIP_THRESH_B (25) |
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#define MV8_THRESHOLD 56 |
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#define NEIGH_MOVE_THRESH 0 |
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// how much a block's MV must differ from his neighbour |
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// to be search for INTER4V. The more, the faster... |
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/* sad16(0,0) bias; mpeg4 spec suggests nb/2+1 */ |
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/* nb = vop pixels * 2^(bpp-8) */ |
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#define MV16_00_BIAS (128+1) |
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#define MV8_00_BIAS (0) |
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/* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ |
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#define MV16_INTER_BIAS 512 |
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/* Parameters which control inter/inter4v decision */ |
#define CHECK_CANDIDATE(X,Y,D) { \ |
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#define IMV16X16 5 |
(*CheckCandidate)((const int)(X),(const int)(Y), (D), &iDirection, data ); } |
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/* vector map (vlc delta size) smoother parameters */ |
#define iDiamondSize 2 |
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#define NEIGH_TEND_16X16 2 |
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#define NEIGH_TEND_8X8 2 |
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// fast ((A)/2)*2 |
static __inline int |
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#define EVEN(A) (((A)<0?(A)+1:(A)) & ~1) |
d_mv_bits(int x, int y, const uint32_t iFcode) |
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{ |
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int xb, yb; |
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#define MVzero(A) ( ((A).x)==(0) && ((A).y)==(0) ) |
if (x == 0) xb = 1; |
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#define MVequal(A,B) ( ((A).x)==((B).x) && ((A).y)==((B).y) ) |
else { |
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if (x < 0) x = -x; |
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x += (1 << (iFcode - 1)) - 1; |
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x >>= (iFcode - 1); |
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if (x > 32) x = 32; |
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xb = mvtab[x] + iFcode; |
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} |
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int32_t PMVfastSearch16(const uint8_t * const pRef, |
if (y == 0) yb = 1; |
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const uint8_t * const pRefH, |
else { |
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const uint8_t * const pRefV, |
if (y < 0) y = -y; |
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const uint8_t * const pRefHV, |
y += (1 << (iFcode - 1)) - 1; |
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const IMAGE * const pCur, |
y >>= (iFcode - 1); |
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const int x, |
if (y > 32) y = 32; |
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const int y, |
yb = mvtab[y] + iFcode; |
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const uint32_t MotionFlags, |
} |
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const uint32_t iQuant, |
return xb + yb; |
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const uint32_t iFcode, |
} |
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const MBParam * const pParam, |
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const MACROBLOCK * const pMBs, |
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const MACROBLOCK * const prevMBs, |
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VECTOR * const currMV, |
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VECTOR * const currPMV); |
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int32_t EPZSSearch16(const uint8_t * const pRef, |
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const uint8_t * const pRefH, |
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const uint8_t * const pRefV, |
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const uint8_t * const pRefHV, |
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const IMAGE * const pCur, |
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const int x, |
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const int y, |
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const uint32_t MotionFlags, |
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const uint32_t iQuant, |
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const uint32_t iFcode, |
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const MBParam * const pParam, |
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const MACROBLOCK * const pMBs, |
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const MACROBLOCK * const prevMBs, |
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VECTOR * const currMV, |
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VECTOR * const currPMV); |
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/* CHECK_CANDIATE FUNCTIONS START */ |
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int32_t PMVfastSearch8(const uint8_t * const pRef, |
static void |
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const uint8_t * const pRefH, |
CheckCandidate16(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
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const uint8_t * const pRefV, |
{ |
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const uint8_t * const pRefHV, |
int32_t * const sad = data->temp; |
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const IMAGE * const pCur, |
int t; |
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const int x, |
const uint8_t * Reference; |
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const int y, |
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const int start_x, |
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const int start_y, |
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const uint32_t MotionFlags, |
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const uint32_t iQuant, |
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const uint32_t iFcode, |
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const MBParam * const pParam, |
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const MACROBLOCK * const pMBs, |
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const MACROBLOCK * const prevMBs, |
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VECTOR * const currMV, |
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VECTOR * const currPMV); |
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int32_t EPZSSearch8(const uint8_t * const pRef, |
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const uint8_t * const pRefH, |
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const uint8_t * const pRefV, |
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const uint8_t * const pRefHV, |
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const IMAGE * const pCur, |
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const int x, |
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const int y, |
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const int start_x, |
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const int start_y, |
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const uint32_t MotionFlags, |
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const uint32_t iQuant, |
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const uint32_t iFcode, |
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const MBParam * const pParam, |
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const MACROBLOCK * const pMBs, |
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const MACROBLOCK * const prevMBs, |
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VECTOR * const currMV, |
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VECTOR * const currPMV); |
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if (( x > data->max_dx) || ( x < data->min_dx) |
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|| ( y > data->max_dy) || (y < data->min_dy)) return; |
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typedef int32_t(MainSearch16Func) (const uint8_t * const pRef, |
switch ( ((x&1)<<1) + (y&1) ) { |
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const uint8_t * const pRefH, |
case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break; |
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const uint8_t * const pRefV, |
case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break; |
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const uint8_t * const pRefHV, |
case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break; |
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const uint8_t * const cur, |
default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break; |
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const int x, |
} |
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const int y, |
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int32_t startx, |
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int32_t starty, |
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int32_t iMinSAD, |
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VECTOR * const currMV, |
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const VECTOR * const pmv, |
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const int32_t min_dx, |
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const int32_t max_dx, |
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const int32_t min_dy, |
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const int32_t max_dy, |
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const int32_t iEdgedWidth, |
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const int32_t iDiamondSize, |
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const int32_t iFcode, |
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const int32_t iQuant, |
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int iFound); |
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typedef MainSearch16Func *MainSearch16FuncPtr; |
data->temp[0] = sad16v(data->Cur, Reference, data->iEdgedWidth, sad+1); |
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t = d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); |
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data->temp[0] += lambda_vec16[data->iQuant] * t; |
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data->temp[1] += lambda_vec8[data->iQuant] * t; |
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typedef int32_t(MainSearch8Func) (const uint8_t * const pRef, |
if (data->temp[0] < data->iMinSAD[0]) { |
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const uint8_t * const pRefH, |
data->iMinSAD[0] = data->temp[0]; |
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const uint8_t * const pRefV, |
data->currentMV[0].x = x; data->currentMV[0].y = y; |
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const uint8_t * const pRefHV, |
*dir = Direction; } |
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const uint8_t * const cur, |
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const int x, |
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const int y, |
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int32_t startx, |
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int32_t starty, |
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int32_t iMinSAD, |
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VECTOR * const currMV, |
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const VECTOR * const pmv, |
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const int32_t min_dx, |
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const int32_t max_dx, |
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const int32_t min_dy, |
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const int32_t max_dy, |
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const int32_t iEdgedWidth, |
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const int32_t iDiamondSize, |
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const int32_t iFcode, |
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const int32_t iQuant, |
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int iFound); |
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typedef MainSearch8Func *MainSearch8FuncPtr; |
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static int32_t lambda_vec16[32] = /* rounded values for lambda param for weight of motion bits as in modified H.26L */ |
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{ 0, (int) (1.00235 + 0.5), (int) (1.15582 + 0.5), (int) (1.31976 + 0.5), |
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(int) (1.49591 + 0.5), (int) (1.68601 + 0.5), |
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(int) (1.89187 + 0.5), (int) (2.11542 + 0.5), (int) (2.35878 + 0.5), |
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(int) (2.62429 + 0.5), (int) (2.91455 + 0.5), |
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(int) (3.23253 + 0.5), (int) (3.58158 + 0.5), (int) (3.96555 + 0.5), |
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(int) (4.38887 + 0.5), (int) (4.85673 + 0.5), |
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(int) (5.37519 + 0.5), (int) (5.95144 + 0.5), (int) (6.59408 + 0.5), |
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(int) (7.31349 + 0.5), (int) (8.12242 + 0.5), |
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(int) (9.03669 + 0.5), (int) (10.0763 + 0.5), (int) (11.2669 + 0.5), |
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(int) (12.6426 + 0.5), (int) (14.2493 + 0.5), |
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(int) (16.1512 + 0.5), (int) (18.442 + 0.5), (int) (21.2656 + 0.5), |
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(int) (24.8580 + 0.5), (int) (29.6436 + 0.5), |
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(int) (36.4949 + 0.5) |
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}; |
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static int32_t *lambda_vec8 = lambda_vec16; /* same table for INTER and INTER4V for now */ |
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if (data->temp[1] < data->iMinSAD[1]) { |
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data->iMinSAD[1] = data->temp[1]; data->currentMV[1].x = x; data->currentMV[1].y = y; } |
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if (data->temp[2] < data->iMinSAD[2]) { |
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data->iMinSAD[2] = data->temp[2]; data->currentMV[2].x = x; data->currentMV[2].y = y; } |
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if (data->temp[3] < data->iMinSAD[3]) { |
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data->iMinSAD[3] = data->temp[3]; data->currentMV[3].x = x; data->currentMV[3].y = y; } |
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if (data->temp[4] < data->iMinSAD[4]) { |
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data->iMinSAD[4] = data->temp[4]; data->currentMV[4].x = x; data->currentMV[4].y = y; } |
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} |
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// mv.length table |
static void |
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static const uint32_t mvtab[33] = { |
CheckCandidate16no4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
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1, 2, 3, 4, 6, 7, 7, 7, |
{ |
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9, 9, 9, 10, 10, 10, 10, 10, |
int32_t sad; |
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10, 10, 10, 10, 10, 10, 10, 10, |
const uint8_t * Reference; |
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10, 11, 11, 11, 11, 11, 11, 12, 12 |
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}; |
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if (( x > data->max_dx) || ( x < data->min_dx) |
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|| ( y > data->max_dy) || (y < data->min_dy)) return; |
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static __inline uint32_t |
switch ( ((x&1)<<1) + (y&1) ) |
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mv_bits(int32_t component, |
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const uint32_t iFcode) |
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{ |
{ |
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if (component == 0) |
case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break; |
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return 1; |
case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break; |
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case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break; |
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if (component < 0) |
default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break; |
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component = -component; |
} |
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if (iFcode == 1) { |
sad = lambda_vec16[data->iQuant] * |
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if (component > 32) |
d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); |
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component = 32; |
sad += sad16(data->Cur, Reference, data->iEdgedWidth, 256*4096); |
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return mvtab[component] + 1; |
if (sad < *(data->iMinSAD)) { |
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*(data->iMinSAD) = sad; |
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data->currentMV[0].x = x; data->currentMV[0].y = y; |
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*dir = Direction; } |
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} |
} |
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component += (1 << (iFcode - 1)) - 1; |
static void |
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component >>= (iFcode - 1); |
CheckCandidate16no4vI(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
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{ |
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int32_t sad; |
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if (component > 32) |
if (( x > data->max_dx) || ( x < data->min_dx) |
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component = 32; |
|| ( y > data->max_dy) || (y < data->min_dy)) return; |
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return mvtab[component] + 1 + iFcode - 1; |
sad = lambda_vec16[data->iQuant] * |
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} |
d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); |
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sad += sad16(data->Cur, data->Ref + x/2 + (y/2)*(data->iEdgedWidth), |
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data->iEdgedWidth, 256*4096); |
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static __inline uint32_t |
if (sad < *(data->iMinSAD)) { |
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calc_delta_16(const int32_t dx, |
*(data->iMinSAD) = sad; |
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const int32_t dy, |
data->currentMV[0].x = x; data->currentMV[0].y = y; |
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const uint32_t iFcode, |
*dir = Direction; } |
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const uint32_t iQuant) |
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{ |
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return NEIGH_TEND_16X16 * lambda_vec16[iQuant] * (mv_bits(dx, iFcode) + |
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mv_bits(dy, iFcode)); |
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} |
} |
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static __inline uint32_t |
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calc_delta_8(const int32_t dx, |
static void |
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const int32_t dy, |
CheckCandidateInt(const int xf, const int yf, const int Direction, int * const dir, const SearchData * const data) |
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const uint32_t iFcode, |
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const uint32_t iQuant) |
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{ |
{ |
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return NEIGH_TEND_8X8 * lambda_vec8[iQuant] * (mv_bits(dx, iFcode) + |
int32_t sad; |
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mv_bits(dy, iFcode)); |
const int xb = data->currentMV[1].x; |
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} |
const int yb = data->currentMV[1].y; |
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const uint8_t *ReferenceF, *ReferenceB; |
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if (( xf > data->max_dx) || ( xf < data->min_dx) |
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|| ( yf > data->max_dy) || (yf < data->min_dy)) return; |
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switch ( ((xf&1)<<1) + (yf&1) ) { |
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case 0 : ReferenceF = data->Ref + xf/2 + (yf/2)*(data->iEdgedWidth); break; |
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case 1 : ReferenceF = data->RefV + xf/2 + ((yf-1)/2)*(data->iEdgedWidth); break; |
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case 2 : ReferenceF = data->RefH + (xf-1)/2 + (yf/2)*(data->iEdgedWidth); break; |
| 186 |
|
default : ReferenceF = data->RefHV + (xf-1)/2 + ((yf-1)/2)*(data->iEdgedWidth); break; |
| 187 |
|
} |
| 188 |
|
|
| 189 |
|
switch ( ((xb&1)<<1) + (yb&1) ) { |
| 190 |
|
case 0 : ReferenceB = data->bRef + xb/2 + (yb/2)*(data->iEdgedWidth); break; |
| 191 |
|
case 1 : ReferenceB = data->bRefV + xb/2 + ((yb-1)/2)*(data->iEdgedWidth); break; |
| 192 |
|
case 2 : ReferenceB = data->bRefH + (xb-1)/2 + (yb/2)*(data->iEdgedWidth); break; |
| 193 |
|
default : ReferenceB = data->bRefHV + (xb-1)/2 + ((yb-1)/2)*(data->iEdgedWidth); break; |
| 194 |
|
} |
| 195 |
|
|
| 196 |
|
sad = lambda_vec16[data->iQuant] * |
| 197 |
|
( d_mv_bits(xf - data->predMV.x, yf - data->predMV.y, data->iFcode) + |
| 198 |
|
d_mv_bits(xb - data->bpredMV.x, yb - data->bpredMV.y, data->iFcode) ); |
| 199 |
|
|
| 200 |
#ifndef SEARCH16 |
sad += sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth); |
|
#define SEARCH16 PMVfastSearch16 |
|
|
//#define SEARCH16 FullSearch16 |
|
|
//#define SEARCH16 EPZSSearch16 |
|
|
#endif |
|
| 201 |
|
|
| 202 |
#ifndef SEARCH8 |
if (sad < *(data->iMinSAD)) { |
| 203 |
#define SEARCH8 PMVfastSearch8 |
*(data->iMinSAD) = sad; |
| 204 |
//#define SEARCH8 EPZSSearch8 |
data->currentMV->x = xf; data->currentMV->y = yf; |
| 205 |
#endif |
*dir = Direction; } |
| 206 |
|
} |
| 207 |
|
|
| 208 |
bool |
static void |
| 209 |
MotionEstimation(MBParam * const pParam, |
CheckCandidateDirect(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
|
FRAMEINFO * const current, |
|
|
FRAMEINFO * const reference, |
|
|
const IMAGE * const pRefH, |
|
|
const IMAGE * const pRefV, |
|
|
const IMAGE * const pRefHV, |
|
|
const uint32_t iLimit) |
|
| 210 |
{ |
{ |
| 211 |
const uint32_t iWcount = pParam->mb_width; |
int32_t sad; |
| 212 |
const uint32_t iHcount = pParam->mb_height; |
int k; |
| 213 |
MACROBLOCK *const pMBs = current->mbs; |
const uint8_t *ReferenceF; |
| 214 |
MACROBLOCK *const prevMBs = reference->mbs; |
const uint8_t *ReferenceB; |
| 215 |
const IMAGE *const pCurrent = ¤t->image; |
VECTOR mvs, b_mvs; |
|
const IMAGE *const pRef = &reference->image; |
|
| 216 |
|
|
| 217 |
const VECTOR zeroMV = { 0, 0 }; |
if (( x > 31) || ( x < -32) || ( y > 31) || (y < -32)) return; |
| 218 |
|
|
| 219 |
int32_t x, y; |
sad = lambda_vec16[data->iQuant] * d_mv_bits(x, y, 1); |
|
int32_t iIntra = 0; |
|
|
VECTOR pmv; |
|
|
|
|
|
if (sadInit) |
|
|
(*sadInit) (); |
|
|
|
|
|
for (y = 0; y < iHcount; y++) |
|
|
for (x = 0; x < iWcount; x++) { |
|
|
MACROBLOCK *const pMB = &pMBs[x + y * iWcount]; |
|
|
|
|
|
pMB->sad16 = |
|
|
SEARCH16(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x, |
|
|
y, current->motion_flags, current->quant, |
|
|
current->fcode, pParam, pMBs, prevMBs, &pMB->mv16, |
|
|
&pMB->pmvs[0]); |
|
| 220 |
|
|
| 221 |
if (0 < (pMB->sad16 - MV16_INTER_BIAS)) { |
for (k = 0; k < 4; k++) { |
| 222 |
int32_t deviation; |
mvs.x = data->directmvF[k].x + x; |
| 223 |
|
b_mvs.x = ((x == 0) ? |
| 224 |
|
data->directmvB[k].x |
| 225 |
|
: mvs.x - data->referencemv[k].x); |
| 226 |
|
|
| 227 |
deviation = |
mvs.y = data->directmvF[k].y + y; |
| 228 |
dev16(pCurrent->y + x * 16 + y * 16 * pParam->edged_width, |
b_mvs.y = ((y == 0) ? |
| 229 |
pParam->edged_width); |
data->directmvB[k].y |
| 230 |
|
: mvs.y - data->referencemv[k].y); |
| 231 |
|
|
| 232 |
if (deviation < (pMB->sad16 - MV16_INTER_BIAS)) { |
if (( mvs.x > data->max_dx ) || ( mvs.x < data->min_dx ) |
| 233 |
pMB->mode = MODE_INTRA; |
|| ( mvs.y > data->max_dy ) || ( mvs.y < data->min_dy ) |
| 234 |
pMB->mv16 = pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = |
|| ( b_mvs.x > data->max_dx ) || ( b_mvs.x < data->min_dx ) |
| 235 |
pMB->mvs[3] = zeroMV; |
|| ( b_mvs.y > data->max_dy ) || ( b_mvs.y < data->min_dy )) return; |
|
pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = |
|
|
pMB->sad8[3] = 0; |
|
| 236 |
|
|
| 237 |
iIntra++; |
switch ( ((mvs.x&1)<<1) + (mvs.y&1) ) { |
| 238 |
if (iIntra >= iLimit) |
case 0 : ReferenceF = data->Ref + mvs.x/2 + (mvs.y/2)*(data->iEdgedWidth); break; |
| 239 |
return 1; |
case 1 : ReferenceF = data->RefV + mvs.x/2 + ((mvs.y-1)/2)*(data->iEdgedWidth); break; |
| 240 |
|
case 2 : ReferenceF = data->RefH + (mvs.x-1)/2 + (mvs.y/2)*(data->iEdgedWidth); break; |
| 241 |
continue; |
default : ReferenceF = data->RefHV + (mvs.x-1)/2 + ((mvs.y-1)/2)*(data->iEdgedWidth); break; |
| 242 |
} |
} |
|
} |
|
|
|
|
|
pmv = pMB->pmvs[0]; |
|
|
if (current->global_flags & XVID_INTER4V) |
|
|
if ((!(current->global_flags & XVID_LUMIMASKING) || |
|
|
pMB->dquant == NO_CHANGE)) { |
|
|
int32_t sad8 = IMV16X16 * current->quant; |
|
|
|
|
|
if (sad8 < pMB->sad16) |
|
|
|
|
|
sad8 += pMB->sad8[0] = |
|
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
|
|
pCurrent, 2 * x, 2 * y, pMB->mv16.x, |
|
|
pMB->mv16.y, current->motion_flags, |
|
|
current->quant, current->fcode, pParam, |
|
|
pMBs, prevMBs, &pMB->mvs[0], |
|
|
&pMB->pmvs[0]); |
|
|
|
|
|
if (sad8 < pMB->sad16) |
|
|
sad8 += pMB->sad8[1] = |
|
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
|
|
pCurrent, 2 * x + 1, 2 * y, pMB->mv16.x, |
|
|
pMB->mv16.y, current->motion_flags, |
|
|
current->quant, current->fcode, pParam, |
|
|
pMBs, prevMBs, &pMB->mvs[1], |
|
|
&pMB->pmvs[1]); |
|
|
|
|
|
if (sad8 < pMB->sad16) |
|
|
sad8 += pMB->sad8[2] = |
|
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
|
|
pCurrent, 2 * x, 2 * y + 1, pMB->mv16.x, |
|
|
pMB->mv16.y, current->motion_flags, |
|
|
current->quant, current->fcode, pParam, |
|
|
pMBs, prevMBs, &pMB->mvs[2], |
|
|
&pMB->pmvs[2]); |
|
|
|
|
|
if (sad8 < pMB->sad16) |
|
|
sad8 += pMB->sad8[3] = |
|
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
|
|
pCurrent, 2 * x + 1, 2 * y + 1, |
|
|
pMB->mv16.x, pMB->mv16.y, |
|
|
current->motion_flags, current->quant, |
|
|
current->fcode, pParam, pMBs, prevMBs, |
|
|
&pMB->mvs[3], &pMB->pmvs[3]); |
|
|
|
|
|
/* decide: MODE_INTER or MODE_INTER4V |
|
|
mpeg4: if (sad8 < pMB->sad16 - nb/2+1) use_inter4v |
|
|
*/ |
|
| 243 |
|
|
| 244 |
if (sad8 < pMB->sad16) { |
switch ( ((b_mvs.x&1)<<1) + (b_mvs.y&1) ) { |
| 245 |
pMB->mode = MODE_INTER4V; |
case 0 : ReferenceB = data->bRef + b_mvs.x/2 + (b_mvs.y/2)*(data->iEdgedWidth); break; |
| 246 |
pMB->sad8[0] *= 4; |
case 1 : ReferenceB = data->bRefV + b_mvs.x/2 + ((b_mvs.y-1)/2)*(data->iEdgedWidth); break; |
| 247 |
pMB->sad8[1] *= 4; |
case 2 : ReferenceB = data->bRefH + (b_mvs.x-1)/2 + (b_mvs.y/2)*(data->iEdgedWidth); break; |
| 248 |
pMB->sad8[2] *= 4; |
default : ReferenceB = data->bRefHV + (b_mvs.x-1)/2 + ((b_mvs.y-1)/2)*(data->iEdgedWidth); break; |
|
pMB->sad8[3] *= 4; |
|
|
continue; |
|
| 249 |
} |
} |
| 250 |
|
|
| 251 |
|
sad += sad8bi(data->Cur + 8*(k&1) + 8*(k>>1)*(data->iEdgedWidth), |
| 252 |
|
ReferenceF + 8*(k&1) + 8*(k>>1)*(data->iEdgedWidth), |
| 253 |
|
ReferenceB + 8*(k&1) + 8*(k>>1)*(data->iEdgedWidth), |
| 254 |
|
data->iEdgedWidth); |
| 255 |
|
if (sad > *(data->iMinSAD)) return; |
| 256 |
} |
} |
| 257 |
|
|
| 258 |
pMB->mode = MODE_INTER; |
if (sad < *(data->iMinSAD)) { |
| 259 |
pMB->pmvs[0] = pmv; /* pMB->pmvs[1] = pMB->pmvs[2] = pMB->pmvs[3] are not needed for INTER */ |
*(data->iMinSAD) = sad; |
| 260 |
pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mv16; |
data->currentMV->x = x; data->currentMV->y = y; |
| 261 |
pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = |
*dir = Direction; } |
|
pMB->sad16; |
|
|
|
|
|
} |
|
|
return 0; |
|
| 262 |
} |
} |
| 263 |
|
|
| 264 |
#define CHECK_MV16_ZERO {\ |
static void |
| 265 |
if ( (0 <= max_dx) && (0 >= min_dx) \ |
CheckCandidateDirectno4v(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
|
&& (0 <= max_dy) && (0 >= min_dy) ) \ |
|
|
{ \ |
|
|
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0, 0 , iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); \ |
|
|
iSAD += calc_delta_16(-pmv[0].x, -pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ |
|
|
} |
|
|
|
|
|
#define NOCHECK_MV16_CANDIDATE(X,Y) { \ |
|
|
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
|
|
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
|
|
} |
|
|
|
|
|
#define CHECK_MV16_CANDIDATE(X,Y) { \ |
|
|
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
|
|
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
|
|
{ \ |
|
|
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
|
|
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
|
|
} |
|
|
|
|
|
#define CHECK_MV16_CANDIDATE_DIR(X,Y,D) { \ |
|
|
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
|
|
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
|
|
{ \ |
|
|
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
|
|
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
|
|
} |
|
|
|
|
|
#define CHECK_MV16_CANDIDATE_FOUND(X,Y,D) { \ |
|
|
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
|
|
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
|
|
{ \ |
|
|
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
|
|
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
|
|
} |
|
|
|
|
|
|
|
|
#define CHECK_MV8_ZERO {\ |
|
|
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, 0, 0 , iEdgedWidth), iEdgedWidth); \ |
|
|
iSAD += calc_delta_8(-pmv[0].x, -pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ |
|
|
} |
|
|
|
|
|
#define NOCHECK_MV8_CANDIDATE(X,Y) \ |
|
|
{ \ |
|
|
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
|
|
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
|
|
} |
|
|
|
|
|
#define CHECK_MV8_CANDIDATE(X,Y) { \ |
|
|
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
|
|
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
|
|
{ \ |
|
|
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
|
|
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
|
|
} |
|
|
|
|
|
#define CHECK_MV8_CANDIDATE_DIR(X,Y,D) { \ |
|
|
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
|
|
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
|
|
{ \ |
|
|
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
|
|
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
|
|
} |
|
|
|
|
|
#define CHECK_MV8_CANDIDATE_FOUND(X,Y,D) { \ |
|
|
if ( ((X) <= max_dx) && ((X) >= min_dx) \ |
|
|
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
|
|
{ \ |
|
|
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
|
|
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
|
if (iSAD < iMinSAD) \ |
|
|
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
|
|
} |
|
|
|
|
|
/* too slow and not fully functional at the moment */ |
|
|
/* |
|
|
int32_t ZeroSearch16( |
|
|
const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const IMAGE * const pCur, |
|
|
const int x, const int y, |
|
|
const uint32_t MotionFlags, |
|
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
|
MBParam * const pParam, |
|
|
const MACROBLOCK * const pMBs, |
|
|
const MACROBLOCK * const prevMBs, |
|
|
VECTOR * const currMV, |
|
|
VECTOR * const currPMV) |
|
| 266 |
{ |
{ |
| 267 |
const int32_t iEdgedWidth = pParam->edged_width; |
int32_t sad; |
| 268 |
const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; |
const uint8_t *ReferenceF; |
| 269 |
int32_t iSAD; |
const uint8_t *ReferenceB; |
| 270 |
int32_t pred_x,pred_y; |
VECTOR mvs, b_mvs; |
| 271 |
|
|
| 272 |
get_pmv(pMBs, x, y, pParam->mb_width, 0, &pred_x, &pred_y); |
if (( x > 31) || ( x < -31) || ( y > 31) || (y < -31)) return; |
| 273 |
|
|
| 274 |
iSAD = sad16( cur, |
sad = lambda_vec16[data->iQuant] * d_mv_bits(x, y, 1); |
|
get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0,0, iEdgedWidth), |
|
|
iEdgedWidth, MV_MAX_ERROR); |
|
|
if (iSAD <= iQuant * 96) |
|
|
iSAD -= MV16_00_BIAS; |
|
| 275 |
|
|
| 276 |
currMV->x = 0; |
mvs.x = data->directmvF[0].x + x; |
| 277 |
currMV->y = 0; |
b_mvs.x = ((x == 0) ? |
| 278 |
currPMV->x = -pred_x; |
data->directmvB[0].x |
| 279 |
currPMV->y = -pred_y; |
: mvs.x - data->referencemv[0].x); |
| 280 |
|
|
| 281 |
return iSAD; |
mvs.y = data->directmvF[0].y + y; |
| 282 |
|
b_mvs.y = ((y == 0) ? |
| 283 |
|
data->directmvB[0].y |
| 284 |
|
: mvs.y - data->referencemv[0].y); |
| 285 |
|
|
| 286 |
} |
if (( mvs.x > data->max_dx ) || ( mvs.x < data->min_dx ) |
| 287 |
*/ |
|| ( mvs.y > data->max_dy ) || ( mvs.y < data->min_dy ) |
| 288 |
|
|| ( b_mvs.x > data->max_dx ) || ( b_mvs.x < data->min_dx ) |
| 289 |
|
|| ( b_mvs.y > data->max_dy ) || ( b_mvs.y < data->min_dy )) return; |
| 290 |
|
|
| 291 |
int32_t |
switch ( ((mvs.x&1)<<1) + (mvs.y&1) ) { |
| 292 |
Diamond16_MainSearch(const uint8_t * const pRef, |
case 0 : ReferenceF = data->Ref + mvs.x/2 + (mvs.y/2)*(data->iEdgedWidth); break; |
| 293 |
const uint8_t * const pRefH, |
case 1 : ReferenceF = data->RefV + mvs.x/2 + ((mvs.y-1)/2)*(data->iEdgedWidth); break; |
| 294 |
const uint8_t * const pRefV, |
case 2 : ReferenceF = data->RefH + (mvs.x-1)/2 + (mvs.y/2)*(data->iEdgedWidth); break; |
| 295 |
const uint8_t * const pRefHV, |
default : ReferenceF = data->RefHV + (mvs.x-1)/2 + ((mvs.y-1)/2)*(data->iEdgedWidth); break; |
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
int32_t startx, |
|
|
int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iFound) |
|
|
{ |
|
|
/* Do a diamond search around given starting point, return SAD of best */ |
|
|
|
|
|
int32_t iDirection = 0; |
|
|
int32_t iSAD; |
|
|
VECTOR backupMV; |
|
|
|
|
|
backupMV.x = startx; |
|
|
backupMV.y = starty; |
|
|
|
|
|
/* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
|
|
|
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); |
|
|
|
|
|
if (iDirection) |
|
|
while (!iFound) { |
|
|
iFound = 1; |
|
|
backupMV = *currMV; |
|
|
|
|
|
if (iDirection != 2) |
|
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
|
|
backupMV.y, 1); |
|
|
if (iDirection != 1) |
|
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
|
|
backupMV.y, 2); |
|
|
if (iDirection != 4) |
|
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
|
|
backupMV.y - iDiamondSize, 3); |
|
|
if (iDirection != 3) |
|
|
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
|
|
backupMV.y + iDiamondSize, 4); |
|
|
} else { |
|
|
currMV->x = startx; |
|
|
currMV->y = starty; |
|
| 296 |
} |
} |
|
return iMinSAD; |
|
|
} |
|
|
|
|
|
int32_t |
|
|
Square16_MainSearch(const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
int32_t startx, |
|
|
int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iFound) |
|
|
{ |
|
|
/* Do a square search around given starting point, return SAD of best */ |
|
|
|
|
|
int32_t iDirection = 0; |
|
|
int32_t iSAD; |
|
|
VECTOR backupMV; |
|
|
|
|
|
backupMV.x = startx; |
|
|
backupMV.y = starty; |
|
|
|
|
|
/* It's one search with full square pattern, and new parts for all following diamonds */ |
|
|
|
|
|
/* new direction are extra, so 1-4 is normal diamond |
|
|
537 |
|
|
1*2 |
|
|
648 |
|
|
*/ |
|
|
|
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); |
|
|
|
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 5); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 6); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 7); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 8); |
|
|
|
|
|
|
|
|
if (iDirection) |
|
|
while (!iFound) { |
|
|
iFound = 1; |
|
|
backupMV = *currMV; |
|
| 297 |
|
|
| 298 |
switch (iDirection) { |
switch ( ((b_mvs.x&1)<<1) + (b_mvs.y&1) ) { |
| 299 |
case 1: |
case 0 : ReferenceB = data->bRef + b_mvs.x/2 + (b_mvs.y/2)*(data->iEdgedWidth); break; |
| 300 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
case 1 : ReferenceB = data->bRefV + b_mvs.x/2 + ((b_mvs.y-1)/2)*(data->iEdgedWidth); break; |
| 301 |
backupMV.y, 1); |
case 2 : ReferenceB = data->bRefH + (b_mvs.x-1)/2 + (b_mvs.y/2)*(data->iEdgedWidth); break; |
| 302 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
default : ReferenceB = data->bRefHV + (b_mvs.x-1)/2 + ((b_mvs.y-1)/2)*(data->iEdgedWidth); break; |
| 303 |
backupMV.y - iDiamondSize, 5); |
} |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 7); |
|
|
break; |
|
|
case 2: |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, |
|
|
2); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 6); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 8); |
|
|
break; |
|
| 304 |
|
|
| 305 |
case 3: |
sad += sad16bi(data->Cur, ReferenceF, ReferenceB, data->iEdgedWidth); |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, |
|
|
4); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 7); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 8); |
|
|
break; |
|
| 306 |
|
|
| 307 |
case 4: |
if (sad < *(data->iMinSAD)) { |
| 308 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, |
*(data->iMinSAD) = sad; |
| 309 |
3); |
data->currentMV->x = x; data->currentMV->y = y; |
| 310 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
*dir = Direction; } |
| 311 |
backupMV.y - iDiamondSize, 5); |
} |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 6); |
|
|
break; |
|
| 312 |
|
|
| 313 |
case 5: |
static void |
| 314 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, |
CheckCandidate8(const int x, const int y, const int Direction, int * const dir, const SearchData * const data) |
| 315 |
1); |
{ |
| 316 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, |
int32_t sad; |
| 317 |
3); |
const uint8_t * Reference; |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 5); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 6); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 7); |
|
|
break; |
|
| 318 |
|
|
| 319 |
case 6: |
if (( x > data->max_dx) || ( x < data->min_dx) |
| 320 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, |
|| ( y > data->max_dy) || (y < data->min_dy)) return; |
|
2); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, |
|
|
3); |
|
|
|
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 5); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 6); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 8); |
|
| 321 |
|
|
| 322 |
break; |
switch ( ((x&1)<<1) + (y&1) ) |
| 323 |
|
{ |
| 324 |
|
case 0 : Reference = data->Ref + x/2 + (y/2)*(data->iEdgedWidth); break; |
| 325 |
|
case 1 : Reference = data->RefV + x/2 + ((y-1)/2)*(data->iEdgedWidth); break; |
| 326 |
|
case 2 : Reference = data->RefH + (x-1)/2 + (y/2)*(data->iEdgedWidth); break; |
| 327 |
|
default : Reference = data->RefHV + (x-1)/2 + ((y-1)/2)*(data->iEdgedWidth); break; |
| 328 |
|
} |
| 329 |
|
|
| 330 |
case 7: |
sad = sad8(data->Cur, Reference, data->iEdgedWidth); |
| 331 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
sad += lambda_vec8[data->iQuant] * d_mv_bits(x - data->predMV.x, y - data->predMV.y, data->iFcode); |
|
backupMV.y, 1); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, |
|
|
4); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 5); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 7); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 8); |
|
|
break; |
|
| 332 |
|
|
| 333 |
case 8: |
if (sad < *(data->iMinSAD)) { |
| 334 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, |
*(data->iMinSAD) = sad; |
| 335 |
2); |
data->currentMV->x = x; data->currentMV->y = y; |
| 336 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, |
*dir = Direction; } |
|
4); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 6); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 7); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 8); |
|
|
break; |
|
|
default: |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, |
|
|
1); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, |
|
|
2); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, |
|
|
3); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, |
|
|
4); |
|
|
|
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 5); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 6); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y - iDiamondSize, 7); |
|
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
|
|
backupMV.y + iDiamondSize, 8); |
|
|
break; |
|
| 337 |
} |
} |
|
} else { |
|
|
currMV->x = startx; |
|
|
currMV->y = starty; |
|
|
} |
|
|
return iMinSAD; |
|
|
} |
|
|
|
|
| 338 |
|
|
| 339 |
int32_t |
/* CHECK_CANDIATE FUNCTIONS END */ |
|
Full16_MainSearch(const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
int32_t startx, |
|
|
int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iFound) |
|
|
{ |
|
|
int32_t iSAD; |
|
|
int32_t dx, dy; |
|
|
VECTOR backupMV; |
|
|
|
|
|
backupMV.x = startx; |
|
|
backupMV.y = starty; |
|
|
|
|
|
for (dx = min_dx; dx <= max_dx; dx += iDiamondSize) |
|
|
for (dy = min_dy; dy <= max_dy; dy += iDiamondSize) |
|
|
NOCHECK_MV16_CANDIDATE(dx, dy); |
|
| 340 |
|
|
| 341 |
return iMinSAD; |
/* MAINSEARCH FUNCTIONS START */ |
|
} |
|
| 342 |
|
|
| 343 |
int32_t |
static void |
| 344 |
AdvDiamond16_MainSearch(const uint8_t * const pRef, |
AdvDiamondSearch(int x, int y, const SearchData * const data, int bDirection) |
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
int32_t startx, |
|
|
int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iDirection) |
|
| 345 |
{ |
{ |
| 346 |
|
|
|
int32_t iSAD; |
|
|
|
|
| 347 |
/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
| 348 |
|
|
| 349 |
if (iDirection) { |
int iDirection; |
|
CHECK_MV16_CANDIDATE(startx - iDiamondSize, starty); |
|
|
CHECK_MV16_CANDIDATE(startx + iDiamondSize, starty); |
|
|
CHECK_MV16_CANDIDATE(startx, starty - iDiamondSize); |
|
|
CHECK_MV16_CANDIDATE(startx, starty + iDiamondSize); |
|
|
} else { |
|
|
int bDirection = 1 + 2 + 4 + 8; |
|
| 350 |
|
|
| 351 |
do { |
do { |
| 352 |
iDirection = 0; |
iDirection = 0; |
| 353 |
if (bDirection & 1) //we only want to check left if we came from the right (our last motion was to the left, up-left or down-left) |
if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1); |
| 354 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, starty, 1); |
if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2); |
| 355 |
|
if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4); |
| 356 |
if (bDirection & 2) |
if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8); |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, starty, 2); |
|
|
|
|
|
if (bDirection & 4) |
|
|
CHECK_MV16_CANDIDATE_DIR(startx, starty - iDiamondSize, 4); |
|
|
|
|
|
if (bDirection & 8) |
|
|
CHECK_MV16_CANDIDATE_DIR(startx, starty + iDiamondSize, 8); |
|
| 357 |
|
|
| 358 |
/* now we're doing diagonal checks near our candidate */ |
/* now we're doing diagonal checks near our candidate */ |
| 359 |
|
|
| 360 |
if (iDirection) //checking if anything found |
if (iDirection) { //checking if anything found |
|
{ |
|
| 361 |
bDirection = iDirection; |
bDirection = iDirection; |
| 362 |
iDirection = 0; |
iDirection = 0; |
| 363 |
startx = currMV->x; |
x = data->currentMV->x; y = data->currentMV->y; |
| 364 |
starty = currMV->y; |
if (bDirection & 3) { //our candidate is left or right |
| 365 |
if (bDirection & 3) //our candidate is left or right |
CHECK_CANDIDATE(x, y + iDiamondSize, 8); |
| 366 |
{ |
CHECK_CANDIDATE(x, y - iDiamondSize, 4); |
| 367 |
CHECK_MV16_CANDIDATE_DIR(startx, starty + iDiamondSize, 8); |
} else { // what remains here is up or down |
| 368 |
CHECK_MV16_CANDIDATE_DIR(startx, starty - iDiamondSize, 4); |
CHECK_CANDIDATE(x + iDiamondSize, y, 2); |
| 369 |
} else // what remains here is up or down |
CHECK_CANDIDATE(x - iDiamondSize, y, 1); } |
|
{ |
|
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, starty, 2); |
|
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, starty, 1); |
|
|
} |
|
| 370 |
|
|
| 371 |
if (iDirection) { |
if (iDirection) { |
| 372 |
bDirection += iDirection; |
bDirection += iDirection; |
| 373 |
startx = currMV->x; |
x = data->currentMV->x; y = data->currentMV->y; } |
| 374 |
starty = currMV->y; |
} else { //about to quit, eh? not so fast.... |
|
} |
|
|
} else //about to quit, eh? not so fast.... |
|
|
{ |
|
| 375 |
switch (bDirection) { |
switch (bDirection) { |
| 376 |
case 2: |
case 2: |
| 377 |
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
| 378 |
starty - iDiamondSize, 2 + 4); |
CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
| 379 |
break; |
break; |
| 380 |
case 1: |
case 1: |
| 381 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
| 382 |
starty - iDiamondSize, 1 + 4); |
CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
| 383 |
break; |
break; |
| 384 |
case 2 + 4: |
case 2 + 4: |
| 385 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
| 386 |
starty - iDiamondSize, 1 + 4); |
CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
| 387 |
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); |
|
starty - iDiamondSize, 2 + 4); |
|
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
| 388 |
break; |
break; |
| 389 |
case 4: |
case 4: |
| 390 |
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
| 391 |
starty - iDiamondSize, 2 + 4); |
CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty - iDiamondSize, 1 + 4); |
|
| 392 |
break; |
break; |
| 393 |
case 8: |
case 8: |
| 394 |
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); |
| 395 |
starty + iDiamondSize, 2 + 8); |
CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
| 396 |
break; |
break; |
| 397 |
case 1 + 4: |
case 1 + 4: |
| 398 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); |
| 399 |
starty + iDiamondSize, 1 + 8); |
CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
| 400 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
|
starty - iDiamondSize, 1 + 4); |
|
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty - iDiamondSize, 2 + 4); |
|
| 401 |
break; |
break; |
| 402 |
case 2 + 8: |
case 2 + 8: |
| 403 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
| 404 |
starty - iDiamondSize, 1 + 4); |
CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); |
| 405 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); |
|
starty + iDiamondSize, 1 + 8); |
|
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
| 406 |
break; |
break; |
| 407 |
case 1 + 8: |
case 1 + 8: |
| 408 |
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
| 409 |
starty - iDiamondSize, 2 + 4); |
CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); |
| 410 |
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); |
|
starty + iDiamondSize, 2 + 8); |
|
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
| 411 |
break; |
break; |
| 412 |
default: //1+2+4+8 == we didn't find anything at all |
default: //1+2+4+8 == we didn't find anything at all |
| 413 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1 + 4); |
| 414 |
starty - iDiamondSize, 1 + 4); |
CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1 + 8); |
| 415 |
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2 + 4); |
| 416 |
starty + iDiamondSize, 1 + 8); |
CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2 + 8); |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty - iDiamondSize, 2 + 4); |
|
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
| 417 |
break; |
break; |
| 418 |
} |
} |
| 419 |
if (!iDirection) |
if (!iDirection) break; //ok, the end. really |
|
break; //ok, the end. really |
|
|
else { |
|
| 420 |
bDirection = iDirection; |
bDirection = iDirection; |
| 421 |
startx = currMV->x; |
x = data->currentMV->x; y = data->currentMV->y; |
|
starty = currMV->y; |
|
|
} |
|
| 422 |
} |
} |
| 423 |
} |
} |
| 424 |
while (1); //forever |
while (1); //forever |
| 425 |
} |
} |
|
return iMinSAD; |
|
|
} |
|
| 426 |
|
|
| 427 |
int32_t |
static void |
| 428 |
AdvDiamond8_MainSearch(const uint8_t * const pRef, |
SquareSearch(int x, int y, const SearchData * const data, int bDirection) |
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
int32_t startx, |
|
|
int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iDirection) |
|
| 429 |
{ |
{ |
| 430 |
|
int iDirection; |
| 431 |
|
|
| 432 |
|
do { |
| 433 |
|
iDirection = 0; |
| 434 |
|
if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1+16+64); |
| 435 |
|
if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2+32+128); |
| 436 |
|
if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4+16+32); |
| 437 |
|
if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8+64+128); |
| 438 |
|
if (bDirection & 16) CHECK_CANDIDATE(x - iDiamondSize, y - iDiamondSize, 1+4+16+32+64); |
| 439 |
|
if (bDirection & 32) CHECK_CANDIDATE(x + iDiamondSize, y - iDiamondSize, 2+4+16+32+128); |
| 440 |
|
if (bDirection & 64) CHECK_CANDIDATE(x - iDiamondSize, y + iDiamondSize, 1+8+16+64+128); |
| 441 |
|
if (bDirection & 128) CHECK_CANDIDATE(x + iDiamondSize, y + iDiamondSize, 2+8+32+64+128); |
| 442 |
|
|
| 443 |
int32_t iSAD; |
bDirection = iDirection; |
| 444 |
|
x = data->currentMV->x; y = data->currentMV->y; |
| 445 |
|
} while (iDirection); |
| 446 |
|
} |
| 447 |
|
|
| 448 |
|
static void |
| 449 |
|
DiamondSearch(int x, int y, const SearchData * const data, int bDirection) |
| 450 |
|
{ |
| 451 |
|
|
| 452 |
/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
| 453 |
|
|
| 454 |
if (iDirection) { |
int iDirection; |
|
CHECK_MV8_CANDIDATE(startx - iDiamondSize, starty); |
|
|
CHECK_MV8_CANDIDATE(startx + iDiamondSize, starty); |
|
|
CHECK_MV8_CANDIDATE(startx, starty - iDiamondSize); |
|
|
CHECK_MV8_CANDIDATE(startx, starty + iDiamondSize); |
|
|
} else { |
|
|
int bDirection = 1 + 2 + 4 + 8; |
|
| 455 |
|
|
| 456 |
do { |
do { |
| 457 |
iDirection = 0; |
iDirection = 0; |
| 458 |
if (bDirection & 1) //we only want to check left if we came from the right (our last motion was to the left, up-left or down-left) |
if (bDirection & 1) CHECK_CANDIDATE(x - iDiamondSize, y, 1); |
| 459 |
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, starty, 1); |
if (bDirection & 2) CHECK_CANDIDATE(x + iDiamondSize, y, 2); |
| 460 |
|
if (bDirection & 4) CHECK_CANDIDATE(x, y - iDiamondSize, 4); |
| 461 |
if (bDirection & 2) |
if (bDirection & 8) CHECK_CANDIDATE(x, y + iDiamondSize, 8); |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, starty, 2); |
|
|
|
|
|
if (bDirection & 4) |
|
|
CHECK_MV8_CANDIDATE_DIR(startx, starty - iDiamondSize, 4); |
|
|
|
|
|
if (bDirection & 8) |
|
|
CHECK_MV8_CANDIDATE_DIR(startx, starty + iDiamondSize, 8); |
|
| 462 |
|
|
| 463 |
/* now we're doing diagonal checks near our candidate */ |
/* now we're doing diagonal checks near our candidate */ |
| 464 |
|
|
| 465 |
if (iDirection) //checking if anything found |
if (iDirection) { //checking if anything found |
|
{ |
|
| 466 |
bDirection = iDirection; |
bDirection = iDirection; |
| 467 |
iDirection = 0; |
iDirection = 0; |
| 468 |
startx = currMV->x; |
x = data->currentMV->x; y = data->currentMV->y; |
| 469 |
starty = currMV->y; |
if (bDirection & 3) { //our candidate is left or right |
| 470 |
if (bDirection & 3) //our candidate is left or right |
CHECK_CANDIDATE(x, y + iDiamondSize, 8); |
| 471 |
{ |
CHECK_CANDIDATE(x, y - iDiamondSize, 4); |
| 472 |
CHECK_MV8_CANDIDATE_DIR(startx, starty + iDiamondSize, 8); |
} else { // what remains here is up or down |
| 473 |
CHECK_MV8_CANDIDATE_DIR(startx, starty - iDiamondSize, 4); |
CHECK_CANDIDATE(x + iDiamondSize, y, 2); |
| 474 |
} else // what remains here is up or down |
CHECK_CANDIDATE(x - iDiamondSize, y, 1); } |
|
{ |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, starty, 2); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, starty, 1); |
|
|
} |
|
| 475 |
|
|
|
if (iDirection) { |
|
| 476 |
bDirection += iDirection; |
bDirection += iDirection; |
| 477 |
startx = currMV->x; |
x = data->currentMV->x; y = data->currentMV->y; |
|
starty = currMV->y; |
|
|
} |
|
|
} else //about to quit, eh? not so fast.... |
|
|
{ |
|
|
switch (bDirection) { |
|
|
case 2: |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty - iDiamondSize, 2 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
|
break; |
|
|
case 1: |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty - iDiamondSize, 1 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
|
break; |
|
|
case 2 + 4: |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty - iDiamondSize, 1 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty - iDiamondSize, 2 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
|
break; |
|
|
case 4: |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty - iDiamondSize, 2 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty - iDiamondSize, 1 + 4); |
|
|
break; |
|
|
case 8: |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
|
break; |
|
|
case 1 + 4: |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty - iDiamondSize, 1 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty - iDiamondSize, 2 + 4); |
|
|
break; |
|
|
case 2 + 8: |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty - iDiamondSize, 1 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
|
break; |
|
|
case 1 + 8: |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty - iDiamondSize, 2 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
|
break; |
|
|
default: //1+2+4+8 == we didn't find anything at all |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty - iDiamondSize, 1 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
|
|
starty + iDiamondSize, 1 + 8); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty - iDiamondSize, 2 + 4); |
|
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
|
|
starty + iDiamondSize, 2 + 8); |
|
|
break; |
|
|
} |
|
|
if (!(iDirection)) |
|
|
break; //ok, the end. really |
|
|
else { |
|
|
bDirection = iDirection; |
|
|
startx = currMV->x; |
|
|
starty = currMV->y; |
|
| 478 |
} |
} |
| 479 |
} |
} |
| 480 |
} |
while (iDirection); |
|
while (1); //forever |
|
|
} |
|
|
return iMinSAD; |
|
| 481 |
} |
} |
| 482 |
|
|
| 483 |
|
/* MAINSEARCH FUNCTIONS END */ |
| 484 |
|
|
| 485 |
int32_t |
/* HALFPELREFINE COULD BE A MAINSEARCH FUNCTION, BUT THERE IS NO NEED FOR IT */ |
|
Full8_MainSearch(const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
int32_t startx, |
|
|
int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iFound) |
|
|
{ |
|
|
int32_t iSAD; |
|
|
int32_t dx, dy; |
|
|
VECTOR backupMV; |
|
|
|
|
|
backupMV.x = startx; |
|
|
backupMV.y = starty; |
|
|
|
|
|
for (dx = min_dx; dx <= max_dx; dx += iDiamondSize) |
|
|
for (dy = min_dy; dy <= max_dy; dy += iDiamondSize) |
|
|
NOCHECK_MV8_CANDIDATE(dx, dy); |
|
| 486 |
|
|
| 487 |
return iMinSAD; |
static void |
| 488 |
} |
HalfpelRefine(const SearchData * const data) |
|
|
|
|
|
|
|
|
|
|
int32_t |
|
|
Halfpel16_Refine(const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
VECTOR * const currMV, |
|
|
int32_t iMinSAD, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
const int32_t iEdgedWidth) |
|
| 489 |
{ |
{ |
| 490 |
/* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ |
/* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ |
| 491 |
|
|
| 492 |
int32_t iSAD; |
VECTOR backupMV = *(data->currentMV); |
| 493 |
VECTOR backupMV = *currMV; |
int iDirection; //not needed |
|
|
|
|
CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y - 1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y - 1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y - 1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x - 1, backupMV.y + 1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y + 1); |
|
|
CHECK_MV16_CANDIDATE(backupMV.x + 1, backupMV.y + 1); |
|
|
|
|
|
return iMinSAD; |
|
|
} |
|
|
|
|
|
#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
|
|
|
|
| 494 |
|
|
| 495 |
int32_t |
CHECK_CANDIDATE(backupMV.x - 1, backupMV.y - 1, 0); |
| 496 |
PMVfastSearch16(const uint8_t * const pRef, |
CHECK_CANDIDATE(backupMV.x + 1, backupMV.y - 1, 0); |
| 497 |
const uint8_t * const pRefH, |
CHECK_CANDIDATE(backupMV.x - 1, backupMV.y + 1, 0); |
| 498 |
const uint8_t * const pRefV, |
CHECK_CANDIDATE(backupMV.x + 1, backupMV.y + 1, 0); |
|
const uint8_t * const pRefHV, |
|
|
const IMAGE * const pCur, |
|
|
const int x, |
|
|
const int y, |
|
|
const uint32_t MotionFlags, |
|
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
|
const MBParam * const pParam, |
|
|
const MACROBLOCK * const pMBs, |
|
|
const MACROBLOCK * const prevMBs, |
|
|
VECTOR * const currMV, |
|
|
VECTOR * const currPMV) |
|
|
{ |
|
|
const uint32_t iWcount = pParam->mb_width; |
|
|
const int32_t iWidth = pParam->width; |
|
|
const int32_t iHeight = pParam->height; |
|
|
const int32_t iEdgedWidth = pParam->edged_width; |
|
|
|
|
|
const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
|
|
|
|
|
int32_t iDiamondSize; |
|
|
|
|
|
int32_t min_dx; |
|
|
int32_t max_dx; |
|
|
int32_t min_dy; |
|
|
int32_t max_dy; |
|
|
|
|
|
int32_t iFound; |
|
|
|
|
|
VECTOR newMV; |
|
|
VECTOR backupMV; /* just for PMVFAST */ |
|
|
|
|
|
VECTOR pmv[4]; |
|
|
int32_t psad[4]; |
|
|
|
|
|
MainSearch16FuncPtr MainSearchPtr; |
|
|
|
|
|
// const MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
|
|
const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; |
|
| 499 |
|
|
| 500 |
static int32_t threshA, threshB; |
CHECK_CANDIDATE(backupMV.x - 1, backupMV.y, 0); |
| 501 |
int32_t bPredEq; |
CHECK_CANDIDATE(backupMV.x + 1, backupMV.y, 0); |
|
int32_t iMinSAD, iSAD; |
|
| 502 |
|
|
| 503 |
/* Get maximum range */ |
CHECK_CANDIDATE(backupMV.x, backupMV.y + 1, 0); |
| 504 |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
CHECK_CANDIDATE(backupMV.x, backupMV.y - 1, 0); |
|
iFcode); |
|
|
|
|
|
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
|
|
|
|
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
|
|
min_dx = EVEN(min_dx); |
|
|
max_dx = EVEN(max_dx); |
|
|
min_dy = EVEN(min_dy); |
|
|
max_dy = EVEN(max_dy); |
|
|
} |
|
|
|
|
|
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
|
|
bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
|
|
|
|
|
if ((x == 0) && (y == 0)) { |
|
|
threshA = 512; |
|
|
threshB = 1024; |
|
|
|
|
|
} else { |
|
|
threshA = psad[0]; |
|
|
threshB = threshA + 256; |
|
|
if (threshA < 512) |
|
|
threshA = 512; |
|
|
if (threshA > 1024) |
|
|
threshA = 1024; |
|
|
if (threshB > 1792) |
|
|
threshB = 1792; |
|
|
} |
|
|
|
|
|
iFound = 0; |
|
|
|
|
|
/* Step 4: Calculate SAD around the Median prediction. |
|
|
MinSAD=SAD |
|
|
If Motion Vector equal to Previous frame motion vector |
|
|
and MinSAD<PrevFrmSAD goto Step 10. |
|
|
If SAD<=256 goto Step 10. |
|
|
*/ |
|
|
|
|
|
*currMV = pmv[0]; /* current best := prediction */ |
|
|
if (!(MotionFlags & PMV_HALFPEL16)) { /* This should NOT be necessary! */ |
|
|
currMV->x = EVEN(currMV->x); |
|
|
currMV->y = EVEN(currMV->y); |
|
| 505 |
} |
} |
| 506 |
|
|
| 507 |
if (currMV->x > max_dx) { |
static __inline int |
| 508 |
currMV->x = max_dx; |
SkipDecisionP(const IMAGE * current, const IMAGE * reference, |
| 509 |
} |
const int x, const int y, |
| 510 |
if (currMV->x < min_dx) { |
const uint32_t iEdgedWidth, const uint32_t iQuant) |
|
currMV->x = min_dx; |
|
|
} |
|
|
if (currMV->y > max_dy) { |
|
|
currMV->y = max_dy; |
|
|
} |
|
|
if (currMV->y < min_dy) { |
|
|
currMV->y = min_dy; |
|
|
} |
|
|
|
|
|
iMinSAD = |
|
|
sad16(cur, |
|
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, |
|
|
iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); |
|
|
iMinSAD += |
|
|
calc_delta_16(currMV->x - pmv[0].x, currMV->y - pmv[0].y, |
|
|
(uint8_t) iFcode, iQuant); |
|
| 511 |
|
|
|
if ((iMinSAD < 256) || |
|
|
((MVequal(*currMV, prevMB->mvs[0])) && |
|
|
((uint32_t) iMinSAD < prevMB->sad16))) { |
|
|
if (iMinSAD < 2 * iQuant) // high chances for SKIP-mode |
|
| 512 |
{ |
{ |
| 513 |
if (!MVzero(*currMV)) { |
/* keep repeating checks for all b-frames before this P frame, |
| 514 |
iMinSAD += MV16_00_BIAS; |
to make sure that SKIP is possible (todo) |
| 515 |
CHECK_MV16_ZERO; // (0,0) saves space for letterboxed pictures |
how: if skip is not possible set sad00 to a very high value */ |
| 516 |
iMinSAD -= MV16_00_BIAS; |
|
| 517 |
} |
uint32_t sadC = sad8(current->u + x*8 + y*(iEdgedWidth/2)*8, |
| 518 |
} |
reference->u + x*8 + y*(iEdgedWidth/2)*8, iEdgedWidth/2); |
| 519 |
|
if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0; |
| 520 |
if (MotionFlags & PMV_QUICKSTOP16) |
sadC += sad8(current->v + (x + y*(iEdgedWidth/2))*8, |
| 521 |
goto PMVfast16_Terminate_without_Refine; |
reference->v + (x + y*(iEdgedWidth/2))*8, iEdgedWidth/2); |
| 522 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (sadC > iQuant * MAX_CHROMA_SAD_FOR_SKIP) return 0; |
|
goto PMVfast16_Terminate_with_Refine; |
|
|
} |
|
| 523 |
|
|
| 524 |
|
return 1; |
|
/* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
|
|
vector of the median. |
|
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
|
|
*/ |
|
|
|
|
|
if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[0]))) |
|
|
iFound = 2; |
|
|
|
|
|
/* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
|
|
Otherwise select large Diamond Search. |
|
|
*/ |
|
|
|
|
|
if ((!MVzero(pmv[0])) || (threshB < 1536) || (bPredEq)) |
|
|
iDiamondSize = 1; // halfpel! |
|
|
else |
|
|
iDiamondSize = 2; // halfpel! |
|
|
|
|
|
if (!(MotionFlags & PMV_HALFPELDIAMOND16)) |
|
|
iDiamondSize *= 2; |
|
|
|
|
|
/* |
|
|
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
|
|
Also calculate (0,0) but do not subtract offset. |
|
|
Let MinSAD be the smallest SAD up to this point. |
|
|
If MV is (0,0) subtract offset. |
|
|
*/ |
|
|
|
|
|
// (0,0) is always possible |
|
|
|
|
|
if (!MVzero(pmv[0])) |
|
|
CHECK_MV16_ZERO; |
|
|
|
|
|
// previous frame MV is always possible |
|
|
|
|
|
if (!MVzero(prevMB->mvs[0])) |
|
|
if (!MVequal(prevMB->mvs[0], pmv[0])) |
|
|
CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); |
|
|
|
|
|
// left neighbour, if allowed |
|
|
|
|
|
if (!MVzero(pmv[1])) |
|
|
if (!MVequal(pmv[1], prevMB->mvs[0])) |
|
|
if (!MVequal(pmv[1], pmv[0])) { |
|
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
|
|
pmv[1].x = EVEN(pmv[1].x); |
|
|
pmv[1].y = EVEN(pmv[1].y); |
|
|
} |
|
|
|
|
|
CHECK_MV16_CANDIDATE(pmv[1].x, pmv[1].y); |
|
|
} |
|
|
// top neighbour, if allowed |
|
|
if (!MVzero(pmv[2])) |
|
|
if (!MVequal(pmv[2], prevMB->mvs[0])) |
|
|
if (!MVequal(pmv[2], pmv[0])) |
|
|
if (!MVequal(pmv[2], pmv[1])) { |
|
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
|
|
pmv[2].x = EVEN(pmv[2].x); |
|
|
pmv[2].y = EVEN(pmv[2].y); |
|
| 525 |
} |
} |
|
CHECK_MV16_CANDIDATE(pmv[2].x, pmv[2].y); |
|
| 526 |
|
|
| 527 |
// top right neighbour, if allowed |
static __inline void |
| 528 |
if (!MVzero(pmv[3])) |
SkipMacroblockP(MACROBLOCK *pMB, const int32_t sad) |
| 529 |
if (!MVequal(pmv[3], prevMB->mvs[0])) |
{ |
| 530 |
if (!MVequal(pmv[3], pmv[0])) |
pMB->mode = MODE_NOT_CODED; |
| 531 |
if (!MVequal(pmv[3], pmv[1])) |
pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0; |
| 532 |
if (!MVequal(pmv[3], pmv[2])) { |
pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0; |
| 533 |
if (!(MotionFlags & PMV_HALFPEL16)) { |
pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = sad; |
|
pmv[3].x = EVEN(pmv[3].x); |
|
|
pmv[3].y = EVEN(pmv[3].y); |
|
|
} |
|
|
CHECK_MV16_CANDIDATE(pmv[3].x, |
|
|
pmv[3].y); |
|
|
} |
|
| 534 |
} |
} |
| 535 |
|
|
| 536 |
if ((MVzero(*currMV)) && |
bool |
| 537 |
(!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) |
MotionEstimation(MBParam * const pParam, |
| 538 |
iMinSAD -= MV16_00_BIAS; |
FRAMEINFO * const current, |
| 539 |
|
FRAMEINFO * const reference, |
| 540 |
|
const IMAGE * const pRefH, |
| 541 |
|
const IMAGE * const pRefV, |
| 542 |
|
const IMAGE * const pRefHV, |
| 543 |
|
const uint32_t iLimit) |
| 544 |
|
{ |
| 545 |
|
MACROBLOCK *const pMBs = current->mbs; |
| 546 |
|
const IMAGE *const pCurrent = ¤t->image; |
| 547 |
|
const IMAGE *const pRef = &reference->image; |
| 548 |
|
|
| 549 |
/* Step 6: If MinSAD <= thresa goto Step 10. |
const VECTOR zeroMV = { 0, 0 }; |
|
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
|
|
*/ |
|
| 550 |
|
|
| 551 |
if ((iMinSAD <= threshA) || |
uint32_t x, y; |
| 552 |
(MVequal(*currMV, prevMB->mvs[0]) && |
uint32_t iIntra = 0; |
| 553 |
((uint32_t) iMinSAD < prevMB->sad16))) { |
int32_t InterBias; |
| 554 |
if (MotionFlags & PMV_QUICKSTOP16) |
|
| 555 |
goto PMVfast16_Terminate_without_Refine; |
// some pre-initialized thingies for SearchP |
| 556 |
if (MotionFlags & PMV_EARLYSTOP16) |
int32_t temp[5]; |
| 557 |
goto PMVfast16_Terminate_with_Refine; |
VECTOR currentMV[5]; |
| 558 |
|
int32_t iMinSAD[5]; |
| 559 |
|
SearchData Data; |
| 560 |
|
Data.iEdgedWidth = pParam->edged_width; |
| 561 |
|
Data.currentMV = currentMV; |
| 562 |
|
Data.iMinSAD = iMinSAD; |
| 563 |
|
Data.temp = temp; |
| 564 |
|
Data.iFcode = current->fcode; |
| 565 |
|
|
| 566 |
|
if (sadInit) (*sadInit) (); |
| 567 |
|
|
| 568 |
|
for (y = 0; y < pParam->mb_height; y++) { |
| 569 |
|
for (x = 0; x < pParam->mb_width; x++) { |
| 570 |
|
|
| 571 |
|
MACROBLOCK *pMB = &pMBs[x + y * pParam->mb_width]; |
| 572 |
|
int32_t sad00 = pMB->sad16 |
| 573 |
|
= sad16v(pCurrent->y + (x + y * pParam->edged_width) * 16, |
| 574 |
|
pRef->y + (x + y * pParam->edged_width) * 16, |
| 575 |
|
pParam->edged_width, pMB->sad8 ); |
| 576 |
|
|
| 577 |
|
if (!(current->global_flags & XVID_LUMIMASKING)) { |
| 578 |
|
pMB->dquant = NO_CHANGE; |
| 579 |
|
pMB->quant = current->quant; } |
| 580 |
|
|
| 581 |
|
//initial skip decision |
| 582 |
|
|
| 583 |
|
if ((pMB->dquant == NO_CHANGE) && (sad00 <= MAX_SAD00_FOR_SKIP * pMB->quant) |
| 584 |
|
&& (SkipDecisionP(pCurrent, pRef, x, y, pParam->edged_width, pMB->quant)) ) { |
| 585 |
|
if (pMB->sad16 < pMB->quant * INITIAL_SKIP_THRESH) { |
| 586 |
|
SkipMacroblockP(pMB, sad00); |
| 587 |
|
continue; |
| 588 |
} |
} |
| 589 |
|
} else sad00 = 256*4096; // skip not allowed - for final skip decision |
| 590 |
|
|
| 591 |
|
SearchP(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x, |
| 592 |
|
y, current->motion_flags, pMB->quant, |
| 593 |
|
&Data, pParam, pMBs, reference->mbs, |
| 594 |
|
current->global_flags & XVID_INTER4V, pMB); |
| 595 |
|
|
| 596 |
|
/* final skip decision, a.k.a. "the vector you found, really that good?" */ |
| 597 |
|
if (sad00 < pMB->quant * MAX_SAD00_FOR_SKIP) |
| 598 |
|
if ((100*pMB->sad16)/(sad00+1) > FINAL_SKIP_THRESH) |
| 599 |
|
{ SkipMacroblockP(pMB, sad00); continue; } |
| 600 |
|
|
| 601 |
/************ (Diamond Search) **************/ |
/* finally, intra decision */ |
|
/* |
|
|
Step 7: Perform Diamond search, with either the small or large diamond. |
|
|
If Found=2 only examine one Diamond pattern, and afterwards goto step 10 |
|
|
Step 8: If small diamond, iterate small diamond search pattern until motion vector lies in the center of the diamond. |
|
|
If center then goto step 10. |
|
|
Step 9: If large diamond, iterate large diamond search pattern until motion vector lies in the center. |
|
|
Refine by using small diamond and goto step 10. |
|
|
*/ |
|
|
|
|
|
if (MotionFlags & PMV_USESQUARES16) |
|
|
MainSearchPtr = Square16_MainSearch; |
|
|
else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
|
|
MainSearchPtr = AdvDiamond16_MainSearch; |
|
|
else |
|
|
MainSearchPtr = Diamond16_MainSearch; |
|
|
|
|
|
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
|
|
|
|
|
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
|
|
iSAD = |
|
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
|
|
currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, |
|
|
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
|
|
iQuant, iFound); |
|
|
|
|
|
if (iSAD < iMinSAD) { |
|
|
*currMV = newMV; |
|
|
iMinSAD = iSAD; |
|
|
} |
|
| 602 |
|
|
| 603 |
if (MotionFlags & PMV_EXTSEARCH16) { |
InterBias = MV16_INTER_BIAS; |
| 604 |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
if (pMB->quant > 8) InterBias += 50 * (pMB->quant - 8); // to make high quants work |
| 605 |
|
if (y != 0) |
| 606 |
|
if ((pMB - pParam->mb_width)->mode == MODE_INTER ) InterBias -= 50; |
| 607 |
|
if (x != 0) |
| 608 |
|
if ((pMB - 1)->mode == MODE_INTER ) InterBias -= 50; |
| 609 |
|
|
| 610 |
if (!(MVequal(pmv[0], backupMV))) { |
if (InterBias < pMB->sad16) { |
| 611 |
iSAD = |
const int32_t deviation = |
| 612 |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
dev16(pCurrent->y + (x + y * pParam->edged_width) * 16, |
| 613 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, pmv, |
pParam->edged_width); |
|
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
|
|
iDiamondSize, iFcode, iQuant, iFound); |
|
| 614 |
|
|
| 615 |
if (iSAD < iMinSAD) { |
if (deviation < (pMB->sad16 - InterBias)) { |
| 616 |
*currMV = newMV; |
if (++iIntra >= iLimit) return 1; |
| 617 |
iMinSAD = iSAD; |
pMB->mode = MODE_INTRA; |
| 618 |
|
pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = |
| 619 |
|
pMB->mvs[3] = zeroMV; |
| 620 |
|
pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = |
| 621 |
|
pMB->sad8[3] = 0; |
| 622 |
} |
} |
| 623 |
} |
} |
|
|
|
|
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
|
|
iSAD = |
|
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
|
|
iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, |
|
|
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
|
|
iQuant, iFound); |
|
|
|
|
|
if (iSAD < iMinSAD) { |
|
|
*currMV = newMV; |
|
|
iMinSAD = iSAD; |
|
| 624 |
} |
} |
| 625 |
} |
} |
| 626 |
|
return 0; |
| 627 |
} |
} |
| 628 |
|
|
|
/* |
|
|
Step 10: The motion vector is chosen according to the block corresponding to MinSAD. |
|
|
*/ |
|
| 629 |
|
|
| 630 |
PMVfast16_Terminate_with_Refine: |
#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
|
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
|
|
iMinSAD = |
|
|
Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
|
|
iMinSAD, pmv, min_dx, max_dx, min_dy, max_dy, |
|
|
iFcode, iQuant, iEdgedWidth); |
|
| 631 |
|
|
| 632 |
PMVfast16_Terminate_without_Refine: |
static __inline int |
| 633 |
currPMV->x = currMV->x - pmv[0].x; |
make_mask(const VECTOR * const pmv, const int i) |
| 634 |
currPMV->y = currMV->y - pmv[0].y; |
{ |
| 635 |
return iMinSAD; |
int mask = 255, j; |
| 636 |
|
for (j = 0; j < i; j++) { |
| 637 |
|
if (MVequal(pmv[i], pmv[j])) return 0; // same vector has been checked already |
| 638 |
|
if (pmv[i].x == pmv[j].x) { |
| 639 |
|
if (pmv[i].y == pmv[j].y + iDiamondSize) { mask &= ~4; continue; } |
| 640 |
|
if (pmv[i].y == pmv[j].y - iDiamondSize) { mask &= ~8; continue; } |
| 641 |
|
} else |
| 642 |
|
if (pmv[i].y == pmv[j].y) { |
| 643 |
|
if (pmv[i].x == pmv[j].x + iDiamondSize) { mask &= ~1; continue; } |
| 644 |
|
if (pmv[i].x == pmv[j].x - iDiamondSize) { mask &= ~2; continue; } |
| 645 |
|
} |
| 646 |
|
} |
| 647 |
|
return mask; |
| 648 |
} |
} |
| 649 |
|
|
| 650 |
|
static __inline void |
| 651 |
|
PreparePredictionsP(VECTOR * const pmv, int x, int y, const int iWcount, |
| 652 |
|
const int iHcount, const MACROBLOCK * const prevMB) |
| 653 |
|
{ |
| 654 |
|
|
| 655 |
|
//this function depends on get_pmvdata which means that it sucks. It should get the predictions by itself |
| 656 |
|
|
| 657 |
|
if ( (y != 0) && (x != (iWcount-1)) ) { // [5] top-right neighbour |
| 658 |
|
pmv[5].x = EVEN(pmv[3].x); |
| 659 |
|
pmv[5].y = EVEN(pmv[3].y); |
| 660 |
|
} else pmv[5].x = pmv[5].y = 0; |
| 661 |
|
|
| 662 |
|
if (x != 0) { pmv[3].x = EVEN(pmv[1].x); pmv[3].y = EVEN(pmv[1].y); }// pmv[3] is left neighbour |
| 663 |
|
else pmv[3].x = pmv[3].y = 0; |
| 664 |
|
|
| 665 |
|
if (y != 0) { pmv[4].x = EVEN(pmv[2].x); pmv[4].y = EVEN(pmv[2].y); }// [4] top neighbour |
| 666 |
|
else pmv[4].x = pmv[4].y = 0; |
| 667 |
|
|
| 668 |
int32_t |
// [1] median prediction |
| 669 |
Diamond8_MainSearch(const uint8_t * const pRef, |
pmv[1].x = EVEN(pmv[0].x); pmv[1].y = EVEN(pmv[0].y); |
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
int32_t startx, |
|
|
int32_t starty, |
|
|
int32_t iMinSAD, |
|
|
VECTOR * const currMV, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iEdgedWidth, |
|
|
const int32_t iDiamondSize, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
int iFound) |
|
|
{ |
|
|
/* Do a diamond search around given starting point, return SAD of best */ |
|
|
|
|
|
int32_t iDirection = 0; |
|
|
int32_t iSAD; |
|
|
VECTOR backupMV; |
|
|
|
|
|
backupMV.x = startx; |
|
|
backupMV.y = starty; |
|
|
|
|
|
/* It's one search with full Diamond pattern, and only 3 of 4 for all following diamonds */ |
|
|
|
|
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, 1); |
|
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, 2); |
|
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, 3); |
|
|
CHECK_MV8_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, 4); |
|
|
|
|
|
if (iDirection) |
|
|
while (!iFound) { |
|
|
iFound = 1; |
|
|
backupMV = *currMV; // since iDirection!=0, this is well defined! |
|
|
|
|
|
if (iDirection != 2) |
|
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
|
|
backupMV.y, 1); |
|
|
if (iDirection != 1) |
|
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
|
|
backupMV.y, 2); |
|
|
if (iDirection != 4) |
|
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
|
|
backupMV.y - iDiamondSize, 3); |
|
|
if (iDirection != 3) |
|
|
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
|
|
backupMV.y + iDiamondSize, 4); |
|
|
} else { |
|
|
currMV->x = startx; |
|
|
currMV->y = starty; |
|
|
} |
|
|
return iMinSAD; |
|
|
} |
|
|
|
|
|
int32_t |
|
|
Halfpel8_Refine(const uint8_t * const pRef, |
|
|
const uint8_t * const pRefH, |
|
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const uint8_t * const cur, |
|
|
const int x, |
|
|
const int y, |
|
|
VECTOR * const currMV, |
|
|
int32_t iMinSAD, |
|
|
const VECTOR * const pmv, |
|
|
const int32_t min_dx, |
|
|
const int32_t max_dx, |
|
|
const int32_t min_dy, |
|
|
const int32_t max_dy, |
|
|
const int32_t iFcode, |
|
|
const int32_t iQuant, |
|
|
const int32_t iEdgedWidth) |
|
|
{ |
|
|
/* Do a half-pel refinement (or rather a "smallest possible amount" refinement) */ |
|
| 670 |
|
|
| 671 |
int32_t iSAD; |
pmv[0].x = pmv[0].y = 0; // [0] is zero; not used in the loop (checked before) but needed here for make_mask |
|
VECTOR backupMV = *currMV; |
|
| 672 |
|
|
| 673 |
CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y - 1); |
pmv[2].x = EVEN(prevMB->mvs[0].x); // [2] is last frame |
| 674 |
CHECK_MV8_CANDIDATE(backupMV.x, backupMV.y - 1); |
pmv[2].y = EVEN(prevMB->mvs[0].y); |
|
CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y - 1); |
|
|
CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y); |
|
|
CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y); |
|
|
CHECK_MV8_CANDIDATE(backupMV.x - 1, backupMV.y + 1); |
|
|
CHECK_MV8_CANDIDATE(backupMV.x, backupMV.y + 1); |
|
|
CHECK_MV8_CANDIDATE(backupMV.x + 1, backupMV.y + 1); |
|
| 675 |
|
|
| 676 |
return iMinSAD; |
if ((x != iWcount-1) && (y != iHcount-1)) { |
| 677 |
|
pmv[6].x = EVEN((prevMB+1+iWcount)->mvs[0].x); //[6] right-down neighbour in last frame |
| 678 |
|
pmv[6].y = EVEN((prevMB+1+iWcount)->mvs[0].y); |
| 679 |
|
} else pmv[6].x = pmv[6].y = 0; |
| 680 |
} |
} |
| 681 |
|
|
| 682 |
|
static void |
| 683 |
#define PMV_HALFPEL8 (PMV_HALFPELDIAMOND8|PMV_HALFPELREFINE8) |
SearchP(const uint8_t * const pRef, |
|
|
|
|
int32_t |
|
|
PMVfastSearch8(const uint8_t * const pRef, |
|
| 684 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
| 685 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
| 686 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
| 687 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
| 688 |
const int x, |
const int x, |
| 689 |
const int y, |
const int y, |
|
const int start_x, |
|
|
const int start_y, |
|
| 690 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
| 691 |
const uint32_t iQuant, |
const uint32_t iQuant, |
| 692 |
const uint32_t iFcode, |
SearchData * const Data, |
| 693 |
const MBParam * const pParam, |
const MBParam * const pParam, |
| 694 |
const MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
| 695 |
const MACROBLOCK * const prevMBs, |
const MACROBLOCK * const prevMBs, |
| 696 |
VECTOR * const currMV, |
int inter4v, |
| 697 |
VECTOR * const currPMV) |
MACROBLOCK * const pMB) |
| 698 |
{ |
{ |
|
const uint32_t iWcount = pParam->mb_width; |
|
|
const int32_t iWidth = pParam->width; |
|
|
const int32_t iHeight = pParam->height; |
|
|
const int32_t iEdgedWidth = pParam->edged_width; |
|
| 699 |
|
|
| 700 |
const uint8_t *cur = pCur->y + x * 8 + y * 8 * iEdgedWidth; |
int i, iDirection = 255, mask, threshA; |
| 701 |
|
VECTOR pmv[7]; |
| 702 |
|
|
| 703 |
int32_t iDiamondSize; |
get_pmvdata2(pMBs, pParam->mb_width, 0, x, y, 0, pmv, Data->temp); //has to be changed to get_pmv(2)() |
| 704 |
|
get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
| 705 |
|
pParam->width, pParam->height, Data->iFcode); |
| 706 |
|
|
| 707 |
int32_t min_dx; |
Data->predMV = pmv[0]; |
| 708 |
int32_t max_dx; |
Data->Cur = pCur->y + (x + y * Data->iEdgedWidth) * 16; |
| 709 |
int32_t min_dy; |
Data->Ref = pRef + (x + Data->iEdgedWidth*y)*16; |
| 710 |
int32_t max_dy; |
Data->RefH = pRefH + (x + Data->iEdgedWidth*y) * 16; |
| 711 |
|
Data->RefV = pRefV + (x + Data->iEdgedWidth*y) * 16; |
| 712 |
|
Data->RefHV = pRefHV + (x + Data->iEdgedWidth*y) * 16; |
| 713 |
|
|
| 714 |
VECTOR pmv[4]; |
Data->iQuant = iQuant; |
|
int32_t psad[4]; |
|
|
VECTOR newMV; |
|
|
VECTOR backupMV; |
|
|
VECTOR startMV; |
|
| 715 |
|
|
| 716 |
// const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
if (!(MotionFlags & PMV_HALFPEL16)) { |
| 717 |
const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; |
Data->min_dx = EVEN(Data->min_dx); |
| 718 |
|
Data->max_dx = EVEN(Data->max_dx); |
| 719 |
|
Data->min_dy = EVEN(Data->min_dy); |
| 720 |
|
Data->max_dy = EVEN(Data->max_dy); } |
| 721 |
|
|
| 722 |
|
if (pMB->dquant != NO_CHANGE) inter4v = 0; |
| 723 |
|
|
| 724 |
|
if (inter4v) CheckCandidate = CheckCandidate16; |
| 725 |
|
else CheckCandidate = CheckCandidate16no4v; |
| 726 |
|
|
| 727 |
|
for(i = 0; i < 5; i++) Data->currentMV[i].x = Data->currentMV[i].y = 0; |
| 728 |
|
|
| 729 |
|
i = d_mv_bits(Data->predMV.x, Data->predMV.y, Data->iFcode); |
| 730 |
|
Data->iMinSAD[0] = pMB->sad16 + lambda_vec16[iQuant] * i; |
| 731 |
|
Data->iMinSAD[1] = pMB->sad8[0] + lambda_vec8[iQuant] * i; |
| 732 |
|
Data->iMinSAD[2] = pMB->sad8[1]; |
| 733 |
|
Data->iMinSAD[3] = pMB->sad8[2]; |
| 734 |
|
Data->iMinSAD[4] = pMB->sad8[3]; |
| 735 |
|
|
| 736 |
static int32_t threshA, threshB; |
if ((x == 0) && (y == 0)) threshA = 512; |
| 737 |
int32_t iFound, bPredEq; |
else { |
| 738 |
int32_t iMinSAD, iSAD; |
threshA = Data->temp[0]; // that's when we keep this SAD atm |
| 739 |
|
if (threshA < 512) threshA = 512; |
| 740 |
|
if (threshA > 1024) threshA = 1024; } |
| 741 |
|
|
| 742 |
int32_t iSubBlock = (y & 1) + (y & 1) + (x & 1); |
PreparePredictionsP(pmv, x, y, pParam->mb_width, pParam->mb_height, |
| 743 |
|
prevMBs + x + y * pParam->mb_width); |
| 744 |
|
|
| 745 |
MainSearch8FuncPtr MainSearchPtr; |
if (inter4v) CheckCandidate = CheckCandidate16; |
| 746 |
|
else CheckCandidate = CheckCandidate16no4v; |
| 747 |
|
|
|
/* Init variables */ |
|
|
startMV.x = start_x; |
|
|
startMV.y = start_y; |
|
| 748 |
|
|
| 749 |
/* Get maximum range */ |
/* main loop. checking all predictions */ |
|
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
|
|
iFcode); |
|
| 750 |
|
|
| 751 |
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) { |
for (i = 1; i < 7; i++) { |
| 752 |
min_dx = EVEN(min_dx); |
if (!(mask = make_mask(pmv, i)) ) continue; |
| 753 |
max_dx = EVEN(max_dx); |
(*CheckCandidate)(pmv[i].x, pmv[i].y, mask, &iDirection, Data); |
| 754 |
min_dy = EVEN(min_dy); |
if (Data->iMinSAD[0] <= threshA) break; |
|
max_dy = EVEN(max_dy); |
|
| 755 |
} |
} |
| 756 |
|
|
| 757 |
/* because we might use IF (dx>max_dx) THEN dx=max_dx; */ |
if ((Data->iMinSAD[0] <= threshA) || |
| 758 |
bPredEq = |
(MVequal(Data->currentMV[0], (prevMBs+x+y*pParam->mb_width)->mvs[0]) && |
| 759 |
get_pmvdata(pMBs, (x >> 1), (y >> 1), iWcount, iSubBlock, pmv, psad); |
(Data->iMinSAD[0] < (prevMBs+x+y*pParam->mb_width)->sad16))) { |
| 760 |
|
inter4v = 0; |
|
if ((x == 0) && (y == 0)) { |
|
|
threshA = 512 / 4; |
|
|
threshB = 1024 / 4; |
|
|
|
|
| 761 |
} else { |
} else { |
|
threshA = psad[0] / 4; /* good estimate */ |
|
|
threshB = threshA + 256 / 4; |
|
|
if (threshA < 512 / 4) |
|
|
threshA = 512 / 4; |
|
|
if (threshA > 1024 / 4) |
|
|
threshA = 1024 / 4; |
|
|
if (threshB > 1792 / 4) |
|
|
threshB = 1792 / 4; |
|
|
} |
|
|
|
|
|
iFound = 0; |
|
|
|
|
|
/* Step 4: Calculate SAD around the Median prediction. |
|
|
MinSAD=SAD |
|
|
If Motion Vector equal to Previous frame motion vector |
|
|
and MinSAD<PrevFrmSAD goto Step 10. |
|
|
If SAD<=256 goto Step 10. |
|
|
*/ |
|
|
|
|
|
|
|
|
// Prepare for main loop |
|
|
|
|
|
// if (MotionFlags & PMV_USESQUARES8) |
|
|
// MainSearchPtr = Square8_MainSearch; |
|
|
// else |
|
|
|
|
|
if (MotionFlags & PMV_ADVANCEDDIAMOND8) |
|
|
MainSearchPtr = AdvDiamond8_MainSearch; |
|
|
else |
|
|
MainSearchPtr = Diamond8_MainSearch; |
|
|
|
|
|
|
|
|
*currMV = startMV; |
|
|
|
|
|
iMinSAD = |
|
|
sad8(cur, |
|
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, |
|
|
iEdgedWidth), iEdgedWidth); |
|
|
iMinSAD += |
|
|
calc_delta_8(currMV->x - pmv[0].x, currMV->y - pmv[0].y, |
|
|
(uint8_t) iFcode, iQuant); |
|
|
|
|
|
if ((iMinSAD < 256 / 4) || ((MVequal(*currMV, prevMB->mvs[iSubBlock])) |
|
|
&& ((uint32_t) iMinSAD < |
|
|
prevMB->sad8[iSubBlock]))) { |
|
|
if (MotionFlags & PMV_QUICKSTOP16) |
|
|
goto PMVfast8_Terminate_without_Refine; |
|
|
if (MotionFlags & PMV_EARLYSTOP16) |
|
|
goto PMVfast8_Terminate_with_Refine; |
|
|
} |
|
|
|
|
|
/* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
|
|
vector of the median. |
|
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
|
|
*/ |
|
|
|
|
|
if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[iSubBlock]))) |
|
|
iFound = 2; |
|
|
|
|
|
/* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
|
|
Otherwise select large Diamond Search. |
|
|
*/ |
|
|
|
|
|
if ((!MVzero(pmv[0])) || (threshB < 1536 / 4) || (bPredEq)) |
|
|
iDiamondSize = 1; // 1 halfpel! |
|
|
else |
|
|
iDiamondSize = 2; // 2 halfpel = 1 full pixel! |
|
|
|
|
|
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
|
|
iDiamondSize *= 2; |
|
|
|
|
|
|
|
|
/* |
|
|
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
|
|
Also calculate (0,0) but do not subtract offset. |
|
|
Let MinSAD be the smallest SAD up to this point. |
|
|
If MV is (0,0) subtract offset. |
|
|
*/ |
|
|
|
|
|
// the median prediction might be even better than mv16 |
|
|
|
|
|
if (!MVequal(pmv[0], startMV)) |
|
|
CHECK_MV8_CANDIDATE(pmv[0].x, pmv[0].y); |
|
|
|
|
|
// (0,0) if needed |
|
|
if (!MVzero(pmv[0])) |
|
|
if (!MVzero(startMV)) |
|
|
CHECK_MV8_ZERO; |
|
|
|
|
|
// previous frame MV if needed |
|
|
if (!MVzero(prevMB->mvs[iSubBlock])) |
|
|
if (!MVequal(prevMB->mvs[iSubBlock], startMV)) |
|
|
if (!MVequal(prevMB->mvs[iSubBlock], pmv[0])) |
|
|
CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, |
|
|
prevMB->mvs[iSubBlock].y); |
|
|
|
|
|
if ((iMinSAD <= threshA) || |
|
|
(MVequal(*currMV, prevMB->mvs[iSubBlock]) && |
|
|
((uint32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
|
|
if (MotionFlags & PMV_QUICKSTOP16) |
|
|
goto PMVfast8_Terminate_without_Refine; |
|
|
if (MotionFlags & PMV_EARLYSTOP16) |
|
|
goto PMVfast8_Terminate_with_Refine; |
|
|
} |
|
|
|
|
|
// left neighbour, if allowed and needed |
|
|
if (!MVzero(pmv[1])) |
|
|
if (!MVequal(pmv[1], startMV)) |
|
|
if (!MVequal(pmv[1], prevMB->mvs[iSubBlock])) |
|
|
if (!MVequal(pmv[1], pmv[0])) { |
|
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
|
|
pmv[1].x = EVEN(pmv[1].x); |
|
|
pmv[1].y = EVEN(pmv[1].y); |
|
|
} |
|
|
CHECK_MV8_CANDIDATE(pmv[1].x, pmv[1].y); |
|
|
} |
|
|
// top neighbour, if allowed and needed |
|
|
if (!MVzero(pmv[2])) |
|
|
if (!MVequal(pmv[2], startMV)) |
|
|
if (!MVequal(pmv[2], prevMB->mvs[iSubBlock])) |
|
|
if (!MVequal(pmv[2], pmv[0])) |
|
|
if (!MVequal(pmv[2], pmv[1])) { |
|
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
|
|
pmv[2].x = EVEN(pmv[2].x); |
|
|
pmv[2].y = EVEN(pmv[2].y); |
|
|
} |
|
|
CHECK_MV8_CANDIDATE(pmv[2].x, pmv[2].y); |
|
|
|
|
|
// top right neighbour, if allowed and needed |
|
|
if (!MVzero(pmv[3])) |
|
|
if (!MVequal(pmv[3], startMV)) |
|
|
if (!MVequal(pmv[3], prevMB->mvs[iSubBlock])) |
|
|
if (!MVequal(pmv[3], pmv[0])) |
|
|
if (!MVequal(pmv[3], pmv[1])) |
|
|
if (!MVequal(pmv[3], pmv[2])) { |
|
|
if (! |
|
|
(MotionFlags & |
|
|
PMV_HALFPEL8)) { |
|
|
pmv[3].x = EVEN(pmv[3].x); |
|
|
pmv[3].y = EVEN(pmv[3].y); |
|
|
} |
|
|
CHECK_MV8_CANDIDATE(pmv[3].x, |
|
|
pmv[3].y); |
|
|
} |
|
|
} |
|
|
|
|
|
if ((MVzero(*currMV)) && |
|
|
(!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) |
|
|
iMinSAD -= MV8_00_BIAS; |
|
|
|
|
|
|
|
|
/* Step 6: If MinSAD <= thresa goto Step 10. |
|
|
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
|
|
*/ |
|
|
|
|
|
if ((iMinSAD <= threshA) || |
|
|
(MVequal(*currMV, prevMB->mvs[iSubBlock]) && |
|
|
((uint32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
|
|
if (MotionFlags & PMV_QUICKSTOP16) |
|
|
goto PMVfast8_Terminate_without_Refine; |
|
|
if (MotionFlags & PMV_EARLYSTOP16) |
|
|
goto PMVfast8_Terminate_with_Refine; |
|
|
} |
|
|
|
|
|
/************ (Diamond Search) **************/ |
|
|
/* |
|
|
Step 7: Perform Diamond search, with either the small or large diamond. |
|
|
If Found=2 only examine one Diamond pattern, and afterwards goto step 10 |
|
|
Step 8: If small diamond, iterate small diamond search pattern until motion vector lies in the center of the diamond. |
|
|
If center then goto step 10. |
|
|
Step 9: If large diamond, iterate large diamond search pattern until motion vector lies in the center. |
|
|
Refine by using small diamond and goto step 10. |
|
|
*/ |
|
|
|
|
|
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
|
|
|
|
|
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
|
|
iSAD = |
|
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
|
|
currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, |
|
|
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
|
|
iQuant, iFound); |
|
|
|
|
|
if (iSAD < iMinSAD) { |
|
|
*currMV = newMV; |
|
|
iMinSAD = iSAD; |
|
|
} |
|
|
|
|
|
if (MotionFlags & PMV_EXTSEARCH8) { |
|
|
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
|
|
|
|
|
if (!(MVequal(pmv[0], backupMV))) { |
|
|
iSAD = |
|
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
|
|
pmv[0].x, pmv[0].y, iMinSAD, &newMV, pmv, |
|
|
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
|
|
iDiamondSize, iFcode, iQuant, iFound); |
|
|
|
|
|
if (iSAD < iMinSAD) { |
|
|
*currMV = newMV; |
|
|
iMinSAD = iSAD; |
|
|
} |
|
|
} |
|
| 762 |
|
|
| 763 |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
MainSearchFunc * MainSearchPtr; |
| 764 |
iSAD = |
if (MotionFlags & PMV_USESQUARES16) MainSearchPtr = SquareSearch; |
| 765 |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
else if (MotionFlags & PMV_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch; |
| 766 |
iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, |
else MainSearchPtr = DiamondSearch; |
| 767 |
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
|
| 768 |
iQuant, iFound); |
(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, iDirection); |
| 769 |
|
|
| 770 |
|
/* extended search, diamond starting in 0,0 and in prediction. |
| 771 |
|
note that this search is/might be done in halfpel positions, |
| 772 |
|
which makes it more different than the diamond above */ |
| 773 |
|
|
| 774 |
if (iSAD < iMinSAD) { |
if (MotionFlags & PMV_EXTSEARCH16) { |
| 775 |
*currMV = newMV; |
int32_t bSAD; |
| 776 |
iMinSAD = iSAD; |
VECTOR startMV = Data->predMV, backupMV = Data->currentMV[0]; |
| 777 |
|
if (!(MotionFlags & PMV_HALFPELREFINE16)) // who's gonna use extsearch and no halfpel? |
| 778 |
|
startMV.x = EVEN(startMV.x); startMV.y = EVEN(startMV.y); |
| 779 |
|
if (!(MVequal(startMV, backupMV))) { |
| 780 |
|
bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR; |
| 781 |
|
|
| 782 |
|
CheckCandidate16(startMV.x, startMV.y, 255, &iDirection, Data); |
| 783 |
|
(*MainSearchPtr)(startMV.x, startMV.y, Data, 255); |
| 784 |
|
if (bSAD < Data->iMinSAD[0]) { |
| 785 |
|
Data->currentMV[0] = backupMV; |
| 786 |
|
Data->iMinSAD[0] = bSAD; } |
| 787 |
|
} |
| 788 |
|
|
| 789 |
|
backupMV = Data->currentMV[0]; |
| 790 |
|
if (MotionFlags & PMV_HALFPELREFINE16) startMV.x = startMV.y = 1; |
| 791 |
|
else startMV.x = startMV.y = 0; |
| 792 |
|
if (!(MVequal(startMV, backupMV))) { |
| 793 |
|
bSAD = Data->iMinSAD[0]; Data->iMinSAD[0] = MV_MAX_ERROR; |
| 794 |
|
|
| 795 |
|
CheckCandidate16(startMV.x, startMV.y, 255, &iDirection, Data); |
| 796 |
|
(*MainSearchPtr)(startMV.x, startMV.y, Data, 255); |
| 797 |
|
if (bSAD < Data->iMinSAD[0]) { |
| 798 |
|
Data->currentMV[0] = backupMV; |
| 799 |
|
Data->iMinSAD[0] = bSAD; } |
| 800 |
} |
} |
| 801 |
} |
} |
| 802 |
} |
} |
| 803 |
|
|
| 804 |
/* Step 10: The motion vector is chosen according to the block corresponding to MinSAD. |
if (MotionFlags & PMV_HALFPELREFINE16) HalfpelRefine(Data); |
| 805 |
By performing an optional local half-pixel search, we can refine this result even further. |
|
| 806 |
*/ |
if (inter4v) { |
| 807 |
|
SearchData Data8; |
| 808 |
PMVfast8_Terminate_with_Refine: |
Data8.iFcode = Data->iFcode; |
| 809 |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
Data8.iQuant = Data->iQuant; |
| 810 |
iMinSAD = |
Data8.iEdgedWidth = Data->iEdgedWidth; |
| 811 |
Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
Search8(Data, 2*x, 2*y, MotionFlags, pParam, pMB, pMBs, 0, &Data8); |
| 812 |
iMinSAD, pmv, min_dx, max_dx, min_dy, max_dy, |
Search8(Data, 2*x + 1, 2*y, MotionFlags, pParam, pMB, pMBs, 1, &Data8); |
| 813 |
iFcode, iQuant, iEdgedWidth); |
Search8(Data, 2*x, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 2, &Data8); |
| 814 |
|
Search8(Data, 2*x + 1, 2*y + 1, MotionFlags, pParam, pMB, pMBs, 3, &Data8); |
| 815 |
|
} |
| 816 |
|
|
| 817 |
|
if (!(inter4v) || |
| 818 |
|
(Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] + |
| 819 |
|
Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant )) { |
| 820 |
|
// INTER MODE |
| 821 |
|
pMB->mode = MODE_INTER; |
| 822 |
|
pMB->mvs[0] = pMB->mvs[1] |
| 823 |
|
= pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0]; |
| 824 |
|
|
| 825 |
|
pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = |
| 826 |
|
pMB->sad8[2] = pMB->sad8[3] = Data->iMinSAD[0]; |
| 827 |
|
|
| 828 |
PMVfast8_Terminate_without_Refine: |
pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x; |
| 829 |
currPMV->x = currMV->x - pmv[0].x; |
pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y; |
| 830 |
currPMV->y = currMV->y - pmv[0].y; |
} else { |
| 831 |
|
// INTER4V MODE; all other things are already set in Search8 |
| 832 |
|
pMB->mode = MODE_INTER4V; |
| 833 |
|
pMB->sad16 = Data->iMinSAD[1] + Data->iMinSAD[2] + |
| 834 |
|
Data->iMinSAD[3] + Data->iMinSAD[4] + IMV16X16 * iQuant; |
| 835 |
|
} |
| 836 |
|
|
|
return iMinSAD; |
|
| 837 |
} |
} |
| 838 |
|
|
| 839 |
int32_t |
static void |
| 840 |
EPZSSearch16(const uint8_t * const pRef, |
Search8(const SearchData * const OldData, |
| 841 |
const uint8_t * const pRefH, |
const int x, const int y, |
|
const uint8_t * const pRefV, |
|
|
const uint8_t * const pRefHV, |
|
|
const IMAGE * const pCur, |
|
|
const int x, |
|
|
const int y, |
|
| 842 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
| 843 |
const MBParam * const pParam, |
const MBParam * const pParam, |
| 844 |
|
MACROBLOCK * const pMB, |
| 845 |
const MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
| 846 |
const MACROBLOCK * const prevMBs, |
const int block, |
| 847 |
VECTOR * const currMV, |
SearchData * const Data) |
|
VECTOR * const currPMV) |
|
| 848 |
{ |
{ |
| 849 |
const uint32_t iWcount = pParam->mb_width; |
Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x/2 , y/2, block); |
| 850 |
const uint32_t iHcount = pParam->mb_height; |
Data->iMinSAD = OldData->iMinSAD + 1 + block; |
| 851 |
|
Data->currentMV = OldData->currentMV + 1 + block; |
| 852 |
|
|
| 853 |
const int32_t iWidth = pParam->width; |
if (block != 0) |
| 854 |
const int32_t iHeight = pParam->height; |
*(Data->iMinSAD) += lambda_vec8[Data->iQuant] * |
| 855 |
const int32_t iEdgedWidth = pParam->edged_width; |
d_mv_bits( Data->currentMV->x - Data->predMV.x, |
| 856 |
|
Data->currentMV->y - Data->predMV.y, |
| 857 |
|
Data->iFcode); |
| 858 |
|
|
| 859 |
const uint8_t *cur = pCur->y + x * 16 + y * 16 * iEdgedWidth; |
if (MotionFlags & (PMV_EXTSEARCH8|PMV_HALFPELREFINE8)) { |
| 860 |
|
|
| 861 |
int32_t min_dx; |
Data->Ref = OldData->Ref + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
| 862 |
int32_t max_dx; |
Data->RefH = OldData->RefH + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
| 863 |
int32_t min_dy; |
Data->RefV = OldData->RefV + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
| 864 |
int32_t max_dy; |
Data->RefHV = OldData->RefHV + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
| 865 |
|
|
| 866 |
VECTOR newMV; |
Data->Cur = OldData->Cur + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
|
VECTOR backupMV; |
|
| 867 |
|
|
| 868 |
VECTOR pmv[4]; |
get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 8, |
| 869 |
int32_t psad[8]; |
pParam->width, pParam->height, OldData->iFcode); |
| 870 |
|
|
| 871 |
static MACROBLOCK *oldMBs = NULL; |
CheckCandidate = CheckCandidate8; |
| 872 |
|
|
| 873 |
// const MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
if (MotionFlags & PMV_EXTSEARCH8) { |
|
const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; |
|
|
MACROBLOCK *oldMB = NULL; |
|
| 874 |
|
|
| 875 |
static int32_t thresh2; |
MainSearchFunc *MainSearchPtr; |
| 876 |
int32_t bPredEq; |
if (MotionFlags & PMV_USESQUARES8) MainSearchPtr = SquareSearch; |
| 877 |
int32_t iMinSAD, iSAD = 9999; |
else if (MotionFlags & PMV_ADVANCEDDIAMOND8) MainSearchPtr = AdvDiamondSearch; |
| 878 |
|
else MainSearchPtr = DiamondSearch; |
| 879 |
|
|
| 880 |
MainSearch16FuncPtr MainSearchPtr; |
(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255); } |
| 881 |
|
|
| 882 |
if (oldMBs == NULL) { |
if (MotionFlags & PMV_HALFPELREFINE8) HalfpelRefine(Data); |
|
oldMBs = (MACROBLOCK *) calloc(iWcount * iHcount, sizeof(MACROBLOCK)); |
|
|
// fprintf(stderr,"allocated %d bytes for oldMBs\n",iWcount*iHcount*sizeof(MACROBLOCK)); |
|
| 883 |
} |
} |
|
oldMB = oldMBs + x + y * iWcount; |
|
|
|
|
|
/* Get maximum range */ |
|
|
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
|
|
iFcode); |
|
| 884 |
|
|
| 885 |
if (!(MotionFlags & PMV_HALFPEL16)) { |
pMB->pmvs[block].x = Data->currentMV->x - Data->predMV.x; |
| 886 |
min_dx = EVEN(min_dx); |
pMB->pmvs[block].y = Data->currentMV->y - Data->predMV.y; |
| 887 |
max_dx = EVEN(max_dx); |
pMB->mvs[block] = *(Data->currentMV); |
| 888 |
min_dy = EVEN(min_dy); |
pMB->sad8[block] = 4 * (*Data->iMinSAD); |
|
max_dy = EVEN(max_dy); |
|
|
} |
|
|
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
|
|
bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
|
|
|
|
|
/* Step 4: Calculate SAD around the Median prediction. |
|
|
MinSAD=SAD |
|
|
If Motion Vector equal to Previous frame motion vector |
|
|
and MinSAD<PrevFrmSAD goto Step 10. |
|
|
If SAD<=256 goto Step 10. |
|
|
*/ |
|
|
|
|
|
// Prepare for main loop |
|
| 889 |
|
|
|
*currMV = pmv[0]; /* current best := median prediction */ |
|
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
|
|
currMV->x = EVEN(currMV->x); |
|
|
currMV->y = EVEN(currMV->y); |
|
| 890 |
} |
} |
| 891 |
|
|
| 892 |
if (currMV->x > max_dx) |
/* B-frames code starts here */ |
|
currMV->x = max_dx; |
|
|
if (currMV->x < min_dx) |
|
|
currMV->x = min_dx; |
|
|
if (currMV->y > max_dy) |
|
|
currMV->y = max_dy; |
|
|
if (currMV->y < min_dy) |
|
|
currMV->y = min_dy; |
|
|
|
|
|
/***************** This is predictor SET A: only median prediction ******************/ |
|
|
|
|
|
iMinSAD = |
|
|
sad16(cur, |
|
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, |
|
|
iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); |
|
|
iMinSAD += |
|
|
calc_delta_16(currMV->x - pmv[0].x, currMV->y - pmv[0].y, |
|
|
(uint8_t) iFcode, iQuant); |
|
|
|
|
|
// thresh1 is fixed to 256 |
|
|
if ((iMinSAD < 256) || |
|
|
((MVequal(*currMV, prevMB->mvs[0])) && |
|
|
((uint32_t) iMinSAD < prevMB->sad16))) { |
|
|
if (MotionFlags & PMV_QUICKSTOP16) |
|
|
goto EPZS16_Terminate_without_Refine; |
|
|
if (MotionFlags & PMV_EARLYSTOP16) |
|
|
goto EPZS16_Terminate_with_Refine; |
|
|
} |
|
|
|
|
|
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
|
| 893 |
|
|
| 894 |
// previous frame MV |
static __inline VECTOR |
| 895 |
CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); |
ChoosePred(const MACROBLOCK * const pMB, const uint32_t mode) |
| 896 |
|
{ |
| 897 |
|
/* the stupidiest function ever */ |
| 898 |
|
if (mode == MODE_FORWARD) return pMB->mvs[0]; |
| 899 |
|
else return pMB->b_mvs[0]; |
| 900 |
|
} |
| 901 |
|
|
| 902 |
// set threshhold based on Min of Prediction and SAD of collocated block |
static void __inline |
| 903 |
// CHECK_MV16 always uses iSAD for the SAD of last vector to check, so now iSAD is what we want |
PreparePredictionsBF(VECTOR * const pmv, const int x, const int y, |
| 904 |
|
const uint32_t iWcount, |
| 905 |
|
const MACROBLOCK * const pMB, |
| 906 |
|
const uint32_t mode_curr) |
| 907 |
|
{ |
| 908 |
|
|
| 909 |
if ((x == 0) && (y == 0)) { |
// [0] is prediction |
| 910 |
thresh2 = 512; |
pmv[0].x = EVEN(pmv[0].x); pmv[0].y = EVEN(pmv[0].y); |
|
} else { |
|
|
/* T_k = 1.2 * MIN(SAD_top,SAD_left,SAD_topleft,SAD_coll) +128; [Tourapis, 2002] */ |
|
| 911 |
|
|
| 912 |
thresh2 = MIN(psad[0], iSAD) * 6 / 5 + 128; |
pmv[1].x = pmv[1].y = 0; // [1] is zero |
|
} |
|
| 913 |
|
|
| 914 |
// MV=(0,0) is often a good choice |
pmv[2] = ChoosePred(pMB, mode_curr); |
| 915 |
|
pmv[2].x = EVEN(pmv[2].x); pmv[2].y = EVEN(pmv[2].y); |
| 916 |
|
|
| 917 |
CHECK_MV16_ZERO; |
if ((y != 0)&&(x != (int)(iWcount+1))) { // [3] top-right neighbour |
| 918 |
|
pmv[3] = ChoosePred(pMB+1-iWcount, mode_curr); |
| 919 |
|
pmv[3].x = EVEN(pmv[3].x); pmv[3].y = EVEN(pmv[3].y); |
| 920 |
|
} else pmv[3].x = pmv[3].y = 0; |
| 921 |
|
|
| 922 |
|
if (y != 0) { |
| 923 |
|
pmv[4] = ChoosePred(pMB-iWcount, mode_curr); |
| 924 |
|
pmv[4].x = EVEN(pmv[4].x); pmv[4].y = EVEN(pmv[4].y); |
| 925 |
|
} else pmv[4].x = pmv[4].y = 0; |
| 926 |
|
|
|
// left neighbour, if allowed |
|
| 927 |
if (x != 0) { |
if (x != 0) { |
| 928 |
if (!(MotionFlags & PMV_HALFPEL16)) { |
pmv[5] = ChoosePred(pMB-1, mode_curr); |
| 929 |
pmv[1].x = EVEN(pmv[1].x); |
pmv[5].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y); |
| 930 |
pmv[1].y = EVEN(pmv[1].y); |
} else pmv[5].x = pmv[5].y = 0; |
|
} |
|
|
CHECK_MV16_CANDIDATE(pmv[1].x, pmv[1].y); |
|
|
} |
|
|
// top neighbour, if allowed |
|
|
if (y != 0) { |
|
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
|
|
pmv[2].x = EVEN(pmv[2].x); |
|
|
pmv[2].y = EVEN(pmv[2].y); |
|
|
} |
|
|
CHECK_MV16_CANDIDATE(pmv[2].x, pmv[2].y); |
|
| 931 |
|
|
| 932 |
// top right neighbour, if allowed |
if ((x != 0)&&(y != 0)) { |
| 933 |
if ((uint32_t) x != (iWcount - 1)) { |
pmv[6] = ChoosePred(pMB-1-iWcount, mode_curr); |
| 934 |
if (!(MotionFlags & PMV_HALFPEL16)) { |
pmv[6].x = EVEN(pmv[5].x); pmv[5].y = EVEN(pmv[5].y); |
| 935 |
pmv[3].x = EVEN(pmv[3].x); |
} else pmv[6].x = pmv[6].y = 0; |
| 936 |
pmv[3].y = EVEN(pmv[3].y); |
|
| 937 |
} |
// more? |
|
CHECK_MV16_CANDIDATE(pmv[3].x, pmv[3].y); |
|
|
} |
|
| 938 |
} |
} |
| 939 |
|
|
|
/* Terminate if MinSAD <= T_2 |
|
|
Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] |
|
|
*/ |
|
| 940 |
|
|
| 941 |
if ((iMinSAD <= thresh2) |
/* search backward or forward, for b-frames */ |
| 942 |
|| (MVequal(*currMV, prevMB->mvs[0]) && |
static void |
| 943 |
((uint32_t) iMinSAD <= prevMB->sad16))) { |
SearchBF( const uint8_t * const pRef, |
| 944 |
if (MotionFlags & PMV_QUICKSTOP16) |
const uint8_t * const pRefH, |
| 945 |
goto EPZS16_Terminate_without_Refine; |
const uint8_t * const pRefV, |
| 946 |
if (MotionFlags & PMV_EARLYSTOP16) |
const uint8_t * const pRefHV, |
| 947 |
goto EPZS16_Terminate_with_Refine; |
const IMAGE * const pCur, |
| 948 |
} |
const int x, const int y, |
| 949 |
|
const uint32_t MotionFlags, |
| 950 |
|
const uint32_t iFcode, |
| 951 |
|
const MBParam * const pParam, |
| 952 |
|
MACROBLOCK * const pMB, |
| 953 |
|
const VECTOR * const predMV, |
| 954 |
|
int32_t * const best_sad, |
| 955 |
|
const int32_t mode_current, |
| 956 |
|
SearchData * const Data) |
| 957 |
|
{ |
| 958 |
|
|
| 959 |
/***** predictor SET C: acceleration MV (new!), neighbours in prev. frame(new!) ****/ |
const int32_t iEdgedWidth = pParam->edged_width; |
| 960 |
|
|
| 961 |
backupMV = prevMB->mvs[0]; // collocated MV |
int i, iDirection, mask; |
| 962 |
backupMV.x += (prevMB->mvs[0].x - oldMB->mvs[0].x); // acceleration X |
VECTOR pmv[7]; |
| 963 |
backupMV.y += (prevMB->mvs[0].y - oldMB->mvs[0].y); // acceleration Y |
MainSearchFunc *MainSearchPtr; |
| 964 |
|
*Data->iMinSAD = MV_MAX_ERROR; |
| 965 |
|
Data->iFcode = iFcode; |
| 966 |
|
|
| 967 |
CHECK_MV16_CANDIDATE(backupMV.x, backupMV.y); |
Data->Ref = pRef + (x + y * iEdgedWidth) * 16; |
| 968 |
|
Data->RefH = pRefH + (x + y * iEdgedWidth) * 16; |
| 969 |
|
Data->RefV = pRefV + (x + y * iEdgedWidth) * 16; |
| 970 |
|
Data->RefHV = pRefHV + (x + y * iEdgedWidth) * 16; |
| 971 |
|
|
| 972 |
// left neighbour |
Data->predMV = *predMV; |
|
if (x != 0) |
|
|
CHECK_MV16_CANDIDATE((prevMB - 1)->mvs[0].x, (prevMB - 1)->mvs[0].y); |
|
| 973 |
|
|
| 974 |
// top neighbour |
get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
| 975 |
if (y != 0) |
pParam->width, pParam->height, iFcode); |
|
CHECK_MV16_CANDIDATE((prevMB - iWcount)->mvs[0].x, |
|
|
(prevMB - iWcount)->mvs[0].y); |
|
| 976 |
|
|
| 977 |
// right neighbour, if allowed (this value is not written yet, so take it from pMB->mvs |
pmv[0] = Data->predMV; |
| 978 |
|
PreparePredictionsBF(pmv, x, y, pParam->mb_width, pMB, mode_current); |
| 979 |
|
|
| 980 |
if ((uint32_t) x != iWcount - 1) |
Data->currentMV->x = Data->currentMV->y = 0; |
|
CHECK_MV16_CANDIDATE((prevMB + 1)->mvs[0].x, (prevMB + 1)->mvs[0].y); |
|
| 981 |
|
|
| 982 |
// bottom neighbour, dito |
CheckCandidate = CheckCandidate16no4v; |
|
if ((uint32_t) y != iHcount - 1) |
|
|
CHECK_MV16_CANDIDATE((prevMB + iWcount)->mvs[0].x, |
|
|
(prevMB + iWcount)->mvs[0].y); |
|
| 983 |
|
|
| 984 |
/* Terminate if MinSAD <= T_3 (here T_3 = T_2) */ |
// main loop. checking all predictions |
| 985 |
if (iMinSAD <= thresh2) { |
for (i = 0; i < 8; i++) { |
| 986 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (!(mask = make_mask(pmv, i)) ) continue; |
| 987 |
goto EPZS16_Terminate_without_Refine; |
CheckCandidate16no4v(pmv[i].x, pmv[i].y, mask, &iDirection, Data); |
|
if (MotionFlags & PMV_EARLYSTOP16) |
|
|
goto EPZS16_Terminate_with_Refine; |
|
| 988 |
} |
} |
| 989 |
|
|
| 990 |
/************ (if Diamond Search) **************/ |
if (MotionFlags & PMV_USESQUARES16) |
| 991 |
|
MainSearchPtr = SquareSearch; |
| 992 |
|
else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
| 993 |
|
MainSearchPtr = AdvDiamondSearch; |
| 994 |
|
else MainSearchPtr = DiamondSearch; |
| 995 |
|
|
| 996 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255); |
| 997 |
|
|
| 998 |
if (MotionFlags & PMV_USESQUARES8) |
HalfpelRefine(Data); |
|
MainSearchPtr = Square16_MainSearch; |
|
|
else |
|
|
if (MotionFlags & PMV_ADVANCEDDIAMOND8) |
|
|
MainSearchPtr = AdvDiamond16_MainSearch; |
|
|
else |
|
|
MainSearchPtr = Diamond16_MainSearch; |
|
| 999 |
|
|
| 1000 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
// three bits are needed to code backward mode. four for forward |
| 1001 |
|
// we treat the bits just like they were vector's |
| 1002 |
|
if (mode_current == MODE_FORWARD) *Data->iMinSAD += 4 * lambda_vec16[Data->iQuant]; |
| 1003 |
|
else *Data->iMinSAD += 3 * lambda_vec16[Data->iQuant]; |
| 1004 |
|
|
|
iSAD = |
|
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
|
|
currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, |
|
|
min_dy, max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
|
| 1005 |
|
|
| 1006 |
if (iSAD < iMinSAD) { |
if (*Data->iMinSAD < *best_sad) { |
| 1007 |
*currMV = newMV; |
*best_sad = *Data->iMinSAD; |
| 1008 |
iMinSAD = iSAD; |
pMB->mode = mode_current; |
| 1009 |
|
pMB->pmvs[0].x = Data->currentMV->x - predMV->x; |
| 1010 |
|
pMB->pmvs[0].y = Data->currentMV->y - predMV->y; |
| 1011 |
|
if (mode_current == MODE_FORWARD) pMB->mvs[0] = *Data->currentMV; |
| 1012 |
|
else pMB->b_mvs[0] = *Data->currentMV; |
| 1013 |
} |
} |
| 1014 |
|
|
|
|
|
|
if (MotionFlags & PMV_EXTSEARCH16) { |
|
|
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
|
|
|
|
|
if (!(MVequal(pmv[0], backupMV))) { |
|
|
iSAD = |
|
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
|
|
pmv[0].x, pmv[0].y, iMinSAD, &newMV, pmv, |
|
|
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
|
|
2, iFcode, iQuant, 0); |
|
| 1015 |
} |
} |
| 1016 |
|
|
| 1017 |
if (iSAD < iMinSAD) { |
static int32_t |
| 1018 |
*currMV = newMV; |
SearchDirect(const IMAGE * const f_Ref, |
| 1019 |
iMinSAD = iSAD; |
const uint8_t * const f_RefH, |
| 1020 |
|
const uint8_t * const f_RefV, |
| 1021 |
|
const uint8_t * const f_RefHV, |
| 1022 |
|
const IMAGE * const b_Ref, |
| 1023 |
|
const uint8_t * const b_RefH, |
| 1024 |
|
const uint8_t * const b_RefV, |
| 1025 |
|
const uint8_t * const b_RefHV, |
| 1026 |
|
const IMAGE * const pCur, |
| 1027 |
|
const int x, const int y, |
| 1028 |
|
const uint32_t MotionFlags, |
| 1029 |
|
const int32_t TRB, const int32_t TRD, |
| 1030 |
|
const MBParam * const pParam, |
| 1031 |
|
MACROBLOCK * const pMB, |
| 1032 |
|
const MACROBLOCK * const b_mb, |
| 1033 |
|
int32_t * const best_sad, |
| 1034 |
|
SearchData * const Data) |
| 1035 |
|
|
| 1036 |
|
{ |
| 1037 |
|
int32_t skip_sad; |
| 1038 |
|
int k; |
| 1039 |
|
|
| 1040 |
|
MainSearchFunc *MainSearchPtr; |
| 1041 |
|
|
| 1042 |
|
*Data->iMinSAD = 256*4096; |
| 1043 |
|
Data->referencemv = b_mb->mvs; |
| 1044 |
|
|
| 1045 |
|
Data->Ref = f_Ref->y + (x + Data->iEdgedWidth*y) * 16; |
| 1046 |
|
Data->RefH = f_RefH + (x + Data->iEdgedWidth*y) * 16; |
| 1047 |
|
Data->RefV = f_RefV + (x + Data->iEdgedWidth*y) * 16; |
| 1048 |
|
Data->RefHV = f_RefHV + (x + Data->iEdgedWidth*y) * 16; |
| 1049 |
|
Data->bRef = b_Ref->y + (x + Data->iEdgedWidth*y) * 16; |
| 1050 |
|
Data->bRefH = b_RefH + (x + Data->iEdgedWidth*y) * 16; |
| 1051 |
|
Data->bRefV = b_RefV + (x + Data->iEdgedWidth*y) * 16; |
| 1052 |
|
Data->bRefHV = b_RefHV + (x + Data->iEdgedWidth*y) * 16; |
| 1053 |
|
|
| 1054 |
|
Data->max_dx = 2 * pParam->width - 2 * (x) * 16; |
| 1055 |
|
Data->max_dy = 2 * pParam->height - 2 * (y) * 16; |
| 1056 |
|
Data->min_dx = -(2 * 16 + 2 * (x) * 16); |
| 1057 |
|
Data->min_dy = -(2 * 16 + 2 * (y) * 16); |
| 1058 |
|
|
| 1059 |
|
for (k = 0; k < 4; k++) { |
| 1060 |
|
pMB->mvs[k].x = Data->directmvF[k].x = ((TRB * Data->referencemv[k].x) / TRD); |
| 1061 |
|
pMB->b_mvs[k].x = Data->directmvB[k].x = ((TRB - TRD) * Data->referencemv[k].x) / TRD; |
| 1062 |
|
pMB->mvs[k].y = Data->directmvF[k].y = ((TRB * Data->referencemv[k].y) / TRD); |
| 1063 |
|
pMB->b_mvs[k].y = Data->directmvB[k].y = ((TRB - TRD) * Data->referencemv[k].y) / TRD; |
| 1064 |
|
|
| 1065 |
|
if ( ( pMB->b_mvs[k].x > Data->max_dx ) || ( pMB->b_mvs[k].x < Data->min_dx ) |
| 1066 |
|
|| ( pMB->b_mvs[k].y > Data->max_dy ) || ( pMB->b_mvs[k].y < Data->min_dy )) { |
| 1067 |
|
|
| 1068 |
|
*best_sad = 256*4096; // in that case, we won't use direct mode |
| 1069 |
|
pMB->mode = MODE_DIRECT; // just to make sure it doesn't say "MODE_DIRECT_NONE_MV" |
| 1070 |
|
pMB->b_mvs[0].x = pMB->b_mvs[0].y = 0; |
| 1071 |
|
return 0; |
| 1072 |
|
} |
| 1073 |
|
if (b_mb->mode != MODE_INTER4V) { |
| 1074 |
|
pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mvs[0]; |
| 1075 |
|
pMB->b_mvs[1] = pMB->b_mvs[2] = pMB->b_mvs[3] = pMB->b_mvs[0]; |
| 1076 |
|
Data->directmvF[1] = Data->directmvF[2] = Data->directmvF[3] = Data->directmvF[0]; |
| 1077 |
|
Data->directmvB[1] = Data->directmvB[2] = Data->directmvB[3] = Data->directmvB[0]; |
| 1078 |
|
break; |
| 1079 |
|
} |
| 1080 |
} |
} |
| 1081 |
|
|
| 1082 |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
if (b_mb->mode == MODE_INTER4V) |
| 1083 |
iSAD = |
CheckCandidate = CheckCandidateDirect; |
| 1084 |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
else CheckCandidate = CheckCandidateDirectno4v; |
|
iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, |
|
|
max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
|
| 1085 |
|
|
| 1086 |
if (iSAD < iMinSAD) { |
(*CheckCandidate)(0, 0, 255, &k, Data); |
| 1087 |
*currMV = newMV; |
|
| 1088 |
iMinSAD = iSAD; |
// skip decision |
| 1089 |
} |
if (*Data->iMinSAD - 2 * lambda_vec16[Data->iQuant] < (int32_t)Data->iQuant * SKIP_THRESH_B) { |
| 1090 |
|
//checking chroma. everything copied from MC |
| 1091 |
|
//this is not full chroma compensation, only it's fullpel approximation. should work though |
| 1092 |
|
int sum, dx, dy, b_dx, b_dy; |
| 1093 |
|
|
| 1094 |
|
sum = pMB->mvs[0].x + pMB->mvs[1].x + pMB->mvs[2].x + pMB->mvs[3].x; |
| 1095 |
|
dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); |
| 1096 |
|
|
| 1097 |
|
sum = pMB->mvs[0].y + pMB->mvs[1].y + pMB->mvs[2].y + pMB->mvs[3].y; |
| 1098 |
|
dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); |
| 1099 |
|
|
| 1100 |
|
sum = pMB->b_mvs[0].x + pMB->b_mvs[1].x + pMB->b_mvs[2].x + pMB->b_mvs[3].x; |
| 1101 |
|
b_dx = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); |
| 1102 |
|
|
| 1103 |
|
sum = pMB->b_mvs[0].y + pMB->b_mvs[1].y + pMB->b_mvs[2].y + pMB->b_mvs[3].y; |
| 1104 |
|
b_dy = (sum == 0 ? 0 : SIGN(sum) * (roundtab[ABS(sum) % 16] + (ABS(sum) / 16) * 2)); |
| 1105 |
|
|
| 1106 |
|
sum = sad8bi(pCur->u + 8*x + 8*y*(Data->iEdgedWidth/2), |
| 1107 |
|
f_Ref->u + (y*8 + dy/2) * (Data->iEdgedWidth/2) + x*8 + dx/2, |
| 1108 |
|
b_Ref->u + (y*8 + b_dy/2) * (Data->iEdgedWidth/2) + x*8 + b_dx/2, |
| 1109 |
|
Data->iEdgedWidth/2); |
| 1110 |
|
sum += sad8bi(pCur->v + 8*x + 8*y*(Data->iEdgedWidth/2), |
| 1111 |
|
f_Ref->v + (y*8 + dy/2) * (Data->iEdgedWidth/2) + x*8 + dx/2, |
| 1112 |
|
b_Ref->v + (y*8 + b_dy/2) * (Data->iEdgedWidth/2) + x*8 + b_dx/2, |
| 1113 |
|
Data->iEdgedWidth/2); |
| 1114 |
|
|
| 1115 |
|
if ((uint32_t) sum < MAX_CHROMA_SAD_FOR_SKIP * Data->iQuant) { |
| 1116 |
|
pMB->mode = MODE_DIRECT_NONE_MV; |
| 1117 |
|
return *Data->iMinSAD; |
| 1118 |
} |
} |
| 1119 |
} |
} |
| 1120 |
|
|
| 1121 |
/*************** Choose best MV found **************/ |
skip_sad = *Data->iMinSAD; |
| 1122 |
|
|
| 1123 |
|
// DIRECT MODE DELTA VECTOR SEARCH. |
| 1124 |
|
// This has to be made more effective, but at the moment I'm happy it's running at all |
| 1125 |
|
|
| 1126 |
|
if (MotionFlags & PMV_USESQUARES16) MainSearchPtr = SquareSearch; |
| 1127 |
|
else if (MotionFlags & PMV_ADVANCEDDIAMOND16) MainSearchPtr = AdvDiamondSearch; |
| 1128 |
|
else MainSearchPtr = DiamondSearch; |
| 1129 |
|
|
| 1130 |
|
(*MainSearchPtr)(0, 0, Data, 255); |
| 1131 |
|
|
| 1132 |
EPZS16_Terminate_with_Refine: |
HalfpelRefine(Data); |
|
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
|
|
iMinSAD = |
|
|
Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
|
|
iMinSAD, pmv, min_dx, max_dx, min_dy, max_dy, |
|
|
iFcode, iQuant, iEdgedWidth); |
|
| 1133 |
|
|
| 1134 |
EPZS16_Terminate_without_Refine: |
*Data->iMinSAD += 1 * lambda_vec16[Data->iQuant]; // one bit is needed to code direct mode. we treat this bit just like it was vector's |
| 1135 |
|
*best_sad = *Data->iMinSAD; |
| 1136 |
|
|
| 1137 |
*oldMB = *prevMB; |
if (b_mb->mode == MODE_INTER4V) |
| 1138 |
|
pMB->mode = MODE_DIRECT; |
| 1139 |
|
else pMB->mode = MODE_DIRECT_NO4V; //for faster compensation |
| 1140 |
|
|
| 1141 |
currPMV->x = currMV->x - pmv[0].x; |
pMB->pmvs[3] = *Data->currentMV; |
| 1142 |
currPMV->y = currMV->y - pmv[0].y; |
|
| 1143 |
return iMinSAD; |
for (k = 0; k < 4; k++) { |
| 1144 |
|
pMB->mvs[k].x = Data->directmvF[k].x + Data->currentMV->x; |
| 1145 |
|
pMB->b_mvs[k].x = ((Data->currentMV->x == 0) |
| 1146 |
|
? Data->directmvB[k].x |
| 1147 |
|
: pMB->mvs[k].x - Data->referencemv[k].x); |
| 1148 |
|
pMB->mvs[k].y = (Data->directmvF[k].y + Data->currentMV->y); |
| 1149 |
|
pMB->b_mvs[k].y = ((Data->currentMV->y == 0) |
| 1150 |
|
? Data->directmvB[k].y |
| 1151 |
|
: pMB->mvs[k].y - Data->referencemv[k].y); |
| 1152 |
|
if (b_mb->mode != MODE_INTER4V) { |
| 1153 |
|
pMB->mvs[3] = pMB->mvs[2] = pMB->mvs[1] = pMB->mvs[0]; |
| 1154 |
|
pMB->b_mvs[3] = pMB->b_mvs[2] = pMB->b_mvs[1] = pMB->b_mvs[0]; |
| 1155 |
|
break; |
| 1156 |
|
} |
| 1157 |
|
} |
| 1158 |
|
return skip_sad; |
| 1159 |
} |
} |
| 1160 |
|
|
| 1161 |
|
|
| 1162 |
int32_t |
static __inline void |
| 1163 |
EPZSSearch8(const uint8_t * const pRef, |
SearchInterpolate(const uint8_t * const f_Ref, |
| 1164 |
const uint8_t * const pRefH, |
const uint8_t * const f_RefH, |
| 1165 |
const uint8_t * const pRefV, |
const uint8_t * const f_RefV, |
| 1166 |
const uint8_t * const pRefHV, |
const uint8_t * const f_RefHV, |
| 1167 |
|
const uint8_t * const b_Ref, |
| 1168 |
|
const uint8_t * const b_RefH, |
| 1169 |
|
const uint8_t * const b_RefV, |
| 1170 |
|
const uint8_t * const b_RefHV, |
| 1171 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
| 1172 |
const int x, |
const int x, const int y, |
| 1173 |
const int y, |
const uint32_t fcode, |
| 1174 |
const int start_x, |
const uint32_t bcode, |
|
const int start_y, |
|
| 1175 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
|
const uint32_t iQuant, |
|
|
const uint32_t iFcode, |
|
| 1176 |
const MBParam * const pParam, |
const MBParam * const pParam, |
| 1177 |
const MACROBLOCK * const pMBs, |
const VECTOR * const f_predMV, |
| 1178 |
const MACROBLOCK * const prevMBs, |
const VECTOR * const b_predMV, |
| 1179 |
VECTOR * const currMV, |
MACROBLOCK * const pMB, |
| 1180 |
VECTOR * const currPMV) |
int32_t * const best_sad, |
| 1181 |
|
SearchData * const fData) |
| 1182 |
|
|
| 1183 |
{ |
{ |
|
/* Please not that EPZS might not be a good choice for 8x8-block motion search ! */ |
|
| 1184 |
|
|
|
const uint32_t iWcount = pParam->mb_width; |
|
|
const int32_t iWidth = pParam->width; |
|
|
const int32_t iHeight = pParam->height; |
|
| 1185 |
const int32_t iEdgedWidth = pParam->edged_width; |
const int32_t iEdgedWidth = pParam->edged_width; |
| 1186 |
|
|
| 1187 |
const uint8_t *cur = pCur->y + x * 8 + y * 8 * iEdgedWidth; |
int iDirection, i, j; |
| 1188 |
|
SearchData bData; |
| 1189 |
|
|
| 1190 |
int32_t iDiamondSize = 1; |
bData.iMinSAD = fData->iMinSAD; |
| 1191 |
|
*bData.iMinSAD = 4096*256; |
| 1192 |
|
bData.Cur = fData->Cur; |
| 1193 |
|
fData->iEdgedWidth = bData.iEdgedWidth = iEdgedWidth; |
| 1194 |
|
bData.currentMV = fData->currentMV + 1; |
| 1195 |
|
bData.iQuant = fData->iQuant; |
| 1196 |
|
fData->iFcode = bData.bFcode = fcode; fData->bFcode = bData.iFcode = bcode; |
| 1197 |
|
|
| 1198 |
|
bData.bRef = fData->Ref = f_Ref + (x + y * iEdgedWidth) * 16; |
| 1199 |
|
bData.bRefH = fData->RefH = f_RefH + (x + y * iEdgedWidth) * 16; |
| 1200 |
|
bData.bRefV = fData->RefV = f_RefV + (x + y * iEdgedWidth) * 16; |
| 1201 |
|
bData.bRefHV = fData->RefHV = f_RefHV + (x + y * iEdgedWidth) * 16; |
| 1202 |
|
bData.Ref = fData->bRef = b_Ref + (x + y * iEdgedWidth) * 16; |
| 1203 |
|
bData.RefH = fData->bRefH = b_RefH + (x + y * iEdgedWidth) * 16; |
| 1204 |
|
bData.RefV = fData->bRefV = b_RefV + (x + y * iEdgedWidth) * 16; |
| 1205 |
|
bData.RefHV = fData->bRefHV = b_RefHV + (x + y * iEdgedWidth) * 16; |
| 1206 |
|
|
| 1207 |
|
bData.bpredMV = fData->predMV = *f_predMV; |
| 1208 |
|
fData->bpredMV = bData.predMV = *b_predMV; |
| 1209 |
|
|
| 1210 |
|
fData->currentMV[0] = pMB->mvs[0]; |
| 1211 |
|
fData->currentMV[1] = pMB->b_mvs[0]; |
| 1212 |
|
get_range(&fData->min_dx, &fData->max_dx, &fData->min_dy, &fData->max_dy, x, y, 16, pParam->width, pParam->height, fcode); |
| 1213 |
|
get_range(&bData.min_dx, &bData.max_dx, &bData.min_dy, &bData.max_dy, x, y, 16, pParam->width, pParam->height, bcode); |
| 1214 |
|
|
| 1215 |
|
if (fData->currentMV[0].x > fData->max_dx) fData->currentMV[0].x = fData->max_dx; |
| 1216 |
|
if (fData->currentMV[0].x < fData->min_dx) fData->currentMV[0].x = fData->min_dy; |
| 1217 |
|
if (fData->currentMV[0].y > fData->max_dy) fData->currentMV[0].y = fData->max_dx; |
| 1218 |
|
if (fData->currentMV[0].y > fData->min_dy) fData->currentMV[0].y = fData->min_dy; |
| 1219 |
|
|
| 1220 |
|
if (fData->currentMV[1].x > bData.max_dx) fData->currentMV[1].x = bData.max_dx; |
| 1221 |
|
if (fData->currentMV[1].x < bData.min_dx) fData->currentMV[1].x = bData.min_dy; |
| 1222 |
|
if (fData->currentMV[1].y > bData.max_dy) fData->currentMV[1].y = bData.max_dx; |
| 1223 |
|
if (fData->currentMV[1].y > bData.min_dy) fData->currentMV[1].y = bData.min_dy; |
| 1224 |
|
|
| 1225 |
int32_t min_dx; |
CheckCandidateInt(fData->currentMV[0].x, fData->currentMV[0].y, 255, &iDirection, fData); |
|
int32_t max_dx; |
|
|
int32_t min_dy; |
|
|
int32_t max_dy; |
|
| 1226 |
|
|
| 1227 |
VECTOR newMV; |
//diamond. I wish we could use normal mainsearch functions (square, advdiamond) |
|
VECTOR backupMV; |
|
| 1228 |
|
|
| 1229 |
VECTOR pmv[4]; |
do { |
| 1230 |
int32_t psad[8]; |
iDirection = 255; |
| 1231 |
|
// forward MV moves |
| 1232 |
|
i = fData->currentMV[0].x; j = fData->currentMV[0].y; |
| 1233 |
|
|
| 1234 |
|
CheckCandidateInt(i + 1, j, 0, &iDirection, fData); |
| 1235 |
|
CheckCandidateInt(i, j + 1, 0, &iDirection, fData); |
| 1236 |
|
CheckCandidateInt(i - 1, j, 0, &iDirection, fData); |
| 1237 |
|
CheckCandidateInt(i, j - 1, 0, &iDirection, fData); |
| 1238 |
|
|
| 1239 |
|
// backward MV moves |
| 1240 |
|
i = fData->currentMV[1].x; j = fData->currentMV[1].y; |
| 1241 |
|
fData->currentMV[2] = fData->currentMV[0]; |
| 1242 |
|
|
| 1243 |
|
CheckCandidateInt(i + 1, j, 0, &iDirection, &bData); |
| 1244 |
|
CheckCandidateInt(i, j + 1, 0, &iDirection, &bData); |
| 1245 |
|
CheckCandidateInt(i - 1, j, 0, &iDirection, &bData); |
| 1246 |
|
CheckCandidateInt(i, j - 1, 0, &iDirection, &bData); |
| 1247 |
|
|
| 1248 |
|
} while (!(iDirection)); |
| 1249 |
|
|
| 1250 |
|
// two bits are needed to code interpolate mode. we treat the bits just like they were vector's |
| 1251 |
|
*fData->iMinSAD += 2 * lambda_vec16[fData->iQuant]; |
| 1252 |
|
if (*fData->iMinSAD < *best_sad) { |
| 1253 |
|
*best_sad = *fData->iMinSAD; |
| 1254 |
|
pMB->mvs[0] = fData->currentMV[0]; |
| 1255 |
|
pMB->b_mvs[0] = fData->currentMV[1]; |
| 1256 |
|
pMB->mode = MODE_INTERPOLATE; |
| 1257 |
|
|
| 1258 |
|
pMB->pmvs[1].x = pMB->mvs[0].x - f_predMV->x; |
| 1259 |
|
pMB->pmvs[1].y = pMB->mvs[0].y - f_predMV->y; |
| 1260 |
|
pMB->pmvs[0].x = pMB->b_mvs[0].x - b_predMV->x; |
| 1261 |
|
pMB->pmvs[0].y = pMB->b_mvs[0].y - b_predMV->y; |
| 1262 |
|
} |
| 1263 |
|
} |
| 1264 |
|
|
|
const int32_t iSubBlock = ((y & 1) << 1) + (x & 1); |
|
| 1265 |
|
|
| 1266 |
// const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
void |
| 1267 |
const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; |
MotionEstimationBVOP(MBParam * const pParam, |
| 1268 |
|
FRAMEINFO * const frame, |
| 1269 |
|
const int32_t time_bp, |
| 1270 |
|
const int32_t time_pp, |
| 1271 |
|
// forward (past) reference |
| 1272 |
|
const MACROBLOCK * const f_mbs, |
| 1273 |
|
const IMAGE * const f_ref, |
| 1274 |
|
const IMAGE * const f_refH, |
| 1275 |
|
const IMAGE * const f_refV, |
| 1276 |
|
const IMAGE * const f_refHV, |
| 1277 |
|
// backward (future) reference |
| 1278 |
|
const MACROBLOCK * const b_mbs, |
| 1279 |
|
const IMAGE * const b_ref, |
| 1280 |
|
const IMAGE * const b_refH, |
| 1281 |
|
const IMAGE * const b_refV, |
| 1282 |
|
const IMAGE * const b_refHV) |
| 1283 |
|
{ |
| 1284 |
|
uint32_t i, j; |
| 1285 |
|
int32_t best_sad, skip_sad; |
| 1286 |
|
int f_count = 0, b_count = 0, i_count = 0, d_count = 0, n_count = 0; |
| 1287 |
|
static const VECTOR zeroMV={0,0}; |
| 1288 |
|
|
| 1289 |
|
VECTOR f_predMV, b_predMV; /* there is no prediction for direct mode*/ |
| 1290 |
|
|
| 1291 |
|
const int32_t TRB = time_pp - time_bp; |
| 1292 |
|
const int32_t TRD = time_pp; |
| 1293 |
|
|
| 1294 |
|
// some pre-inintialized data for the rest of the search |
| 1295 |
|
|
| 1296 |
|
SearchData Data; |
| 1297 |
|
int32_t iMinSAD; |
| 1298 |
|
VECTOR currentMV[3]; |
| 1299 |
|
Data.iEdgedWidth = pParam->edged_width; |
| 1300 |
|
Data.currentMV = currentMV; |
| 1301 |
|
Data.iMinSAD = &iMinSAD; |
| 1302 |
|
Data.iQuant = frame->quant; |
| 1303 |
|
|
| 1304 |
int32_t bPredEq; |
// note: i==horizontal, j==vertical |
|
int32_t iMinSAD, iSAD = 9999; |
|
| 1305 |
|
|
| 1306 |
MainSearch8FuncPtr MainSearchPtr; |
for (j = 0; j < pParam->mb_height; j++) { |
| 1307 |
|
|
| 1308 |
/* Get maximum range */ |
f_predMV = b_predMV = zeroMV; /* prediction is reset at left boundary */ |
|
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
|
|
iFcode); |
|
| 1309 |
|
|
| 1310 |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
for (i = 0; i < pParam->mb_width; i++) { |
| 1311 |
|
MACROBLOCK * const pMB = frame->mbs + i + j * pParam->mb_width; |
| 1312 |
|
const MACROBLOCK * const b_mb = b_mbs + i + j * pParam->mb_width; |
| 1313 |
|
|
| 1314 |
if (!(MotionFlags & PMV_HALFPEL8)) { |
/* special case, if collocated block is SKIPed: encoding is forward (0,0), cpb=0 without further ado */ |
| 1315 |
min_dx = EVEN(min_dx); |
if (b_mb->mode == MODE_NOT_CODED) { |
| 1316 |
max_dx = EVEN(max_dx); |
pMB->mode = MODE_NOT_CODED; |
| 1317 |
min_dy = EVEN(min_dy); |
continue; |
|
max_dy = EVEN(max_dy); |
|
| 1318 |
} |
} |
|
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
|
|
bPredEq = get_pmvdata(pMBs, x >> 1, y >> 1, iWcount, iSubBlock, pmv, psad); |
|
| 1319 |
|
|
| 1320 |
|
Data.Cur = frame->image.y + (j * Data.iEdgedWidth + i) * 16; |
| 1321 |
|
/* direct search comes first, because it (1) checks for SKIP-mode |
| 1322 |
|
and (2) sets very good predictions for forward and backward search */ |
| 1323 |
|
|
| 1324 |
|
skip_sad = SearchDirect(f_ref, f_refH->y, f_refV->y, f_refHV->y, |
| 1325 |
|
b_ref, b_refH->y, b_refV->y, b_refHV->y, |
| 1326 |
|
&frame->image, |
| 1327 |
|
i, j, |
| 1328 |
|
frame->motion_flags, |
| 1329 |
|
TRB, TRD, |
| 1330 |
|
pParam, |
| 1331 |
|
pMB, b_mb, |
| 1332 |
|
&best_sad, |
| 1333 |
|
&Data); |
| 1334 |
|
|
| 1335 |
|
if (pMB->mode == MODE_DIRECT_NONE_MV) { n_count++; continue; } |
| 1336 |
|
|
| 1337 |
/* Step 4: Calculate SAD around the Median prediction. |
// best_sad = 256*4096; //uncomment to disable Directsearch. |
| 1338 |
MinSAD=SAD |
// To disable any other mode, just comment the function call |
| 1339 |
If Motion Vector equal to Previous frame motion vector |
|
| 1340 |
and MinSAD<PrevFrmSAD goto Step 10. |
// forward search |
| 1341 |
If SAD<=256 goto Step 10. |
SearchBF(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
| 1342 |
*/ |
&frame->image, i, j, |
| 1343 |
|
frame->motion_flags, |
| 1344 |
|
frame->fcode, pParam, |
| 1345 |
|
pMB, &f_predMV, &best_sad, |
| 1346 |
|
MODE_FORWARD, &Data); |
| 1347 |
|
|
| 1348 |
// Prepare for main loop |
// backward search |
| 1349 |
|
SearchBF(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
| 1350 |
|
&frame->image, i, j, |
| 1351 |
|
frame->motion_flags, |
| 1352 |
|
frame->bcode, pParam, |
| 1353 |
|
pMB, &b_predMV, &best_sad, |
| 1354 |
|
MODE_BACKWARD, &Data); |
| 1355 |
|
|
| 1356 |
|
// interpolate search comes last, because it uses data from forward and backward as prediction |
| 1357 |
|
|
| 1358 |
|
SearchInterpolate(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
| 1359 |
|
b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
| 1360 |
|
&frame->image, |
| 1361 |
|
i, j, |
| 1362 |
|
frame->fcode, frame->bcode, |
| 1363 |
|
frame->motion_flags, |
| 1364 |
|
pParam, |
| 1365 |
|
&f_predMV, &b_predMV, |
| 1366 |
|
pMB, &best_sad, |
| 1367 |
|
&Data); |
| 1368 |
|
|
| 1369 |
|
switch (pMB->mode) { |
| 1370 |
|
case MODE_FORWARD: |
| 1371 |
|
f_count++; |
| 1372 |
|
f_predMV = pMB->mvs[0]; |
| 1373 |
|
break; |
| 1374 |
|
case MODE_BACKWARD: |
| 1375 |
|
b_count++; |
| 1376 |
|
b_predMV = pMB->b_mvs[0]; |
| 1377 |
|
break; |
| 1378 |
|
case MODE_INTERPOLATE: |
| 1379 |
|
i_count++; |
| 1380 |
|
f_predMV = pMB->mvs[0]; |
| 1381 |
|
b_predMV = pMB->b_mvs[0]; |
| 1382 |
|
break; |
| 1383 |
|
case MODE_DIRECT: |
| 1384 |
|
case MODE_DIRECT_NO4V: |
| 1385 |
|
d_count++; |
| 1386 |
|
break; |
| 1387 |
|
default: |
| 1388 |
|
break; |
| 1389 |
|
} |
| 1390 |
|
} |
| 1391 |
|
} |
| 1392 |
|
|
| 1393 |
|
// fprintf(debug,"B-Stat: F: %04d B: %04d I: %04d D: %04d, N: %04d\n", |
| 1394 |
|
// f_count,b_count,i_count,d_count,n_count); |
| 1395 |
|
|
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
|
|
currMV->x = EVEN(currMV->x); |
|
|
currMV->y = EVEN(currMV->y); |
|
| 1396 |
} |
} |
| 1397 |
|
|
| 1398 |
if (currMV->x > max_dx) |
/* Hinted ME starts here */ |
|
currMV->x = max_dx; |
|
|
if (currMV->x < min_dx) |
|
|
currMV->x = min_dx; |
|
|
if (currMV->y > max_dy) |
|
|
currMV->y = max_dy; |
|
|
if (currMV->y < min_dy) |
|
|
currMV->y = min_dy; |
|
| 1399 |
|
|
| 1400 |
/***************** This is predictor SET A: only median prediction ******************/ |
static __inline void |
| 1401 |
|
Search8hinted( const SearchData * const OldData, |
| 1402 |
|
const int x, const int y, |
| 1403 |
|
const uint32_t MotionFlags, |
| 1404 |
|
const MBParam * const pParam, |
| 1405 |
|
MACROBLOCK * const pMB, |
| 1406 |
|
const MACROBLOCK * const pMBs, |
| 1407 |
|
const int block) |
| 1408 |
|
{ |
| 1409 |
|
SearchData Data; |
| 1410 |
|
MainSearchFunc *MainSearchPtr; |
| 1411 |
|
|
| 1412 |
|
Data.predMV = get_pmv2(pMBs, pParam->mb_width, 0, x/2 , y/2, block); |
| 1413 |
|
Data.iMinSAD = OldData->iMinSAD + 1 + block; |
| 1414 |
|
Data.currentMV = OldData->currentMV+1+block; |
| 1415 |
|
Data.iFcode = OldData->iFcode; |
| 1416 |
|
Data.iQuant = OldData->iQuant; |
| 1417 |
|
|
| 1418 |
iMinSAD = |
Data.Ref = OldData->Ref + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
| 1419 |
sad8(cur, |
Data.RefH = OldData->RefH + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
| 1420 |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, |
Data.RefV = OldData->RefV + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
| 1421 |
iEdgedWidth), iEdgedWidth); |
Data.RefHV = OldData->RefHV + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
| 1422 |
iMinSAD += |
Data.iEdgedWidth = pParam->edged_width; |
| 1423 |
calc_delta_8(currMV->x - pmv[0].x, currMV->y - pmv[0].y, |
Data.Cur = OldData->Cur + 8 * ((block&1) + pParam->edged_width*(block>>1)); |
|
(uint8_t) iFcode, iQuant); |
|
| 1424 |
|
|
| 1425 |
|
CheckCandidate = CheckCandidate8; |
| 1426 |
|
|
| 1427 |
// thresh1 is fixed to 256 |
if (block != 0) |
| 1428 |
if (iMinSAD < 256 / 4) { |
*(Data.iMinSAD) += lambda_vec8[Data.iQuant] * |
| 1429 |
if (MotionFlags & PMV_QUICKSTOP8) |
d_mv_bits( Data.currentMV->x - Data.predMV.x, |
| 1430 |
goto EPZS8_Terminate_without_Refine; |
Data.currentMV->y - Data.predMV.y, |
| 1431 |
if (MotionFlags & PMV_EARLYSTOP8) |
Data.iFcode); |
|
goto EPZS8_Terminate_with_Refine; |
|
|
} |
|
| 1432 |
|
|
|
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
|
| 1433 |
|
|
| 1434 |
|
get_range(&Data.min_dx, &Data.max_dx, &Data.min_dy, &Data.max_dy, x, y, 8, |
| 1435 |
|
pParam->width, pParam->height, OldData->iFcode); |
| 1436 |
|
|
| 1437 |
// MV=(0,0) is often a good choice |
if (pMB->mode == MODE_INTER4V) { |
| 1438 |
CHECK_MV8_ZERO; |
int dummy; |
| 1439 |
|
CheckCandidate8(pMB->mvs[block].x, pMB->mvs[block].y, 0, &dummy, &Data); } |
| 1440 |
|
|
| 1441 |
// previous frame MV |
if (MotionFlags & PMV_USESQUARES8) MainSearchPtr = SquareSearch; |
| 1442 |
CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, prevMB->mvs[iSubBlock].y); |
else if (MotionFlags & PMV_ADVANCEDDIAMOND8) MainSearchPtr = AdvDiamondSearch; |
| 1443 |
|
else MainSearchPtr = DiamondSearch; |
| 1444 |
|
|
| 1445 |
// left neighbour, if allowed |
(*MainSearchPtr)(Data.currentMV->x, Data.currentMV->y, &Data, 255); |
|
if (psad[1] != MV_MAX_ERROR) { |
|
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
|
|
pmv[1].x = EVEN(pmv[1].x); |
|
|
pmv[1].y = EVEN(pmv[1].y); |
|
|
} |
|
|
CHECK_MV8_CANDIDATE(pmv[1].x, pmv[1].y); |
|
|
} |
|
|
// top neighbour, if allowed |
|
|
if (psad[2] != MV_MAX_ERROR) { |
|
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
|
|
pmv[2].x = EVEN(pmv[2].x); |
|
|
pmv[2].y = EVEN(pmv[2].y); |
|
|
} |
|
|
CHECK_MV8_CANDIDATE(pmv[2].x, pmv[2].y); |
|
| 1446 |
|
|
| 1447 |
// top right neighbour, if allowed |
if (MotionFlags & PMV_HALFPELREFINE8) HalfpelRefine(&Data); |
| 1448 |
if (psad[3] != MV_MAX_ERROR) { |
|
| 1449 |
if (!(MotionFlags & PMV_HALFPEL8)) { |
pMB->pmvs[block].x = Data.currentMV->x - Data.predMV.x; |
| 1450 |
pmv[3].x = EVEN(pmv[3].x); |
pMB->pmvs[block].y = Data.currentMV->y - Data.predMV.y; |
| 1451 |
pmv[3].y = EVEN(pmv[3].y); |
pMB->mvs[block] = *(Data.currentMV); |
| 1452 |
} |
pMB->sad8[block] = 4 * (*(Data.iMinSAD)); |
|
CHECK_MV8_CANDIDATE(pmv[3].x, pmv[3].y); |
|
|
} |
|
| 1453 |
} |
} |
| 1454 |
|
|
|
/* // this bias is zero anyway, at the moment! |
|
| 1455 |
|
|
| 1456 |
if ( (MVzero(*currMV)) && (!MVzero(pmv[0])) ) // && (iMinSAD <= iQuant * 96) |
static void |
| 1457 |
iMinSAD -= MV8_00_BIAS; |
SearchPhinted ( const uint8_t * const pRef, |
| 1458 |
|
const uint8_t * const pRefH, |
| 1459 |
|
const uint8_t * const pRefV, |
| 1460 |
|
const uint8_t * const pRefHV, |
| 1461 |
|
const IMAGE * const pCur, |
| 1462 |
|
const int x, |
| 1463 |
|
const int y, |
| 1464 |
|
const uint32_t MotionFlags, |
| 1465 |
|
const uint32_t iQuant, |
| 1466 |
|
const MBParam * const pParam, |
| 1467 |
|
const MACROBLOCK * const pMBs, |
| 1468 |
|
int inter4v, |
| 1469 |
|
MACROBLOCK * const pMB, |
| 1470 |
|
SearchData * const Data) |
| 1471 |
|
{ |
| 1472 |
|
|
| 1473 |
|
const int32_t iEdgedWidth = pParam->edged_width; |
| 1474 |
|
|
| 1475 |
*/ |
int i, t; |
| 1476 |
|
MainSearchFunc * MainSearchPtr; |
| 1477 |
|
|
| 1478 |
/* Terminate if MinSAD <= T_2 |
Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
| 1479 |
Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] |
get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
| 1480 |
*/ |
pParam->width, pParam->height, Data->iFcode); |
| 1481 |
|
|
| 1482 |
|
Data->Cur = pCur->y + (x + y * iEdgedWidth) * 16; |
| 1483 |
|
Data->Ref = pRef + (x + iEdgedWidth*y)*16; |
| 1484 |
|
Data->RefH = pRefH + (x + iEdgedWidth*y) * 16; |
| 1485 |
|
Data->RefV = pRefV + (x + iEdgedWidth*y) * 16; |
| 1486 |
|
Data->RefHV = pRefHV + (x + iEdgedWidth*y) * 16; |
| 1487 |
|
Data->iQuant = iQuant; |
| 1488 |
|
|
| 1489 |
if (iMinSAD < 512 / 4) { /* T_2 == 512/4 hardcoded */ |
if (!(MotionFlags & PMV_HALFPEL16)) { |
| 1490 |
if (MotionFlags & PMV_QUICKSTOP8) |
Data->min_dx = EVEN(Data->min_dx); |
| 1491 |
goto EPZS8_Terminate_without_Refine; |
Data->max_dx = EVEN(Data->max_dx); |
| 1492 |
if (MotionFlags & PMV_EARLYSTOP8) |
Data->min_dy = EVEN(Data->min_dy); |
| 1493 |
goto EPZS8_Terminate_with_Refine; |
Data->max_dy = EVEN(Data->max_dy); |
| 1494 |
} |
} |
| 1495 |
|
|
| 1496 |
/************ (Diamond Search) **************/ |
for(i = 0; i < 5; i++) Data->iMinSAD[i] = MV_MAX_ERROR; |
| 1497 |
|
|
| 1498 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
if (pMB->dquant != NO_CHANGE) inter4v = 0; |
| 1499 |
|
|
| 1500 |
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
if (inter4v) |
| 1501 |
iDiamondSize *= 2; |
CheckCandidate = CheckCandidate16; |
| 1502 |
|
else CheckCandidate = CheckCandidate16no4v; |
| 1503 |
|
|
|
/* default: use best prediction as starting point for one call of EPZS_MainSearch */ |
|
| 1504 |
|
|
| 1505 |
// there is no EPZS^2 for inter4v at the moment |
pMB->mvs[0].x = EVEN(pMB->mvs[0].x); |
| 1506 |
|
pMB->mvs[0].y = EVEN(pMB->mvs[0].y); |
| 1507 |
|
if (pMB->mvs[0].x > Data->max_dx) pMB->mvs[0].x = Data->max_dx; // this is in case iFcode changed |
| 1508 |
|
if (pMB->mvs[0].x < Data->min_dx) pMB->mvs[0].x = Data->min_dx; |
| 1509 |
|
if (pMB->mvs[0].y > Data->max_dy) pMB->mvs[0].y = Data->max_dy; |
| 1510 |
|
if (pMB->mvs[0].y < Data->min_dy) pMB->mvs[0].y = Data->min_dy; |
| 1511 |
|
|
| 1512 |
// if (MotionFlags & PMV_USESQUARES8) |
(*CheckCandidate)(pMB->mvs[0].x, pMB->mvs[0].y, 0, &t, Data); |
|
// MainSearchPtr = Square8_MainSearch; |
|
|
// else |
|
| 1513 |
|
|
| 1514 |
if (MotionFlags & PMV_ADVANCEDDIAMOND8) |
if (pMB->mode == MODE_INTER4V) |
| 1515 |
MainSearchPtr = AdvDiamond8_MainSearch; |
for (i = 1; i < 4; i++) { // all four vectors will be used as four predictions for 16x16 search |
| 1516 |
else |
pMB->mvs[i].x = EVEN(pMB->mvs[i].x); |
| 1517 |
MainSearchPtr = Diamond8_MainSearch; |
pMB->mvs[i].y = EVEN(pMB->mvs[i].y); |
| 1518 |
|
if (!(make_mask(pMB->mvs, i))) |
| 1519 |
|
(*CheckCandidate)(pMB->mvs[i].x, pMB->mvs[i].y, 0, &t, Data); |
| 1520 |
|
} |
| 1521 |
|
|
| 1522 |
iSAD = |
if (MotionFlags & PMV_USESQUARES16) |
| 1523 |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
MainSearchPtr = SquareSearch; |
| 1524 |
currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, |
else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
| 1525 |
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
MainSearchPtr = AdvDiamondSearch; |
| 1526 |
iQuant, 0); |
else MainSearchPtr = DiamondSearch; |
| 1527 |
|
|
| 1528 |
|
(*MainSearchPtr)(Data->currentMV->x, Data->currentMV->y, Data, 255); |
| 1529 |
|
|
| 1530 |
if (iSAD < iMinSAD) { |
if (MotionFlags & PMV_HALFPELREFINE16) HalfpelRefine(Data); |
|
*currMV = newMV; |
|
|
iMinSAD = iSAD; |
|
|
} |
|
| 1531 |
|
|
| 1532 |
if (MotionFlags & PMV_EXTSEARCH8) { |
if (inter4v) |
| 1533 |
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
for(i = 0; i < 4; i++) |
| 1534 |
|
Search8hinted(Data, 2*x+(i&1), 2*y+(i>>1), MotionFlags, pParam, pMB, pMBs, i); |
| 1535 |
|
|
| 1536 |
if (!(MVequal(pmv[0], backupMV))) { |
if (!(inter4v) || |
| 1537 |
iSAD = |
(Data->iMinSAD[0] < Data->iMinSAD[1] + Data->iMinSAD[2] + Data->iMinSAD[3] + |
| 1538 |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
Data->iMinSAD[4] + IMV16X16 * (int32_t)iQuant )) { |
| 1539 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, pmv, |
// INTER MODE |
|
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
|
|
iDiamondSize, iFcode, iQuant, 0); |
|
| 1540 |
|
|
| 1541 |
if (iSAD < iMinSAD) { |
pMB->mode = MODE_INTER; |
| 1542 |
*currMV = newMV; |
pMB->mvs[0] = pMB->mvs[1] |
| 1543 |
iMinSAD = iSAD; |
= pMB->mvs[2] = pMB->mvs[3] = Data->currentMV[0]; |
|
} |
|
|
} |
|
| 1544 |
|
|
| 1545 |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = |
| 1546 |
iSAD = |
pMB->sad8[2] = pMB->sad8[3] = Data->iMinSAD[0]; |
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
|
|
iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, |
|
|
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
|
|
iQuant, 0); |
|
| 1547 |
|
|
| 1548 |
if (iSAD < iMinSAD) { |
pMB->pmvs[0].x = Data->currentMV[0].x - Data->predMV.x; |
| 1549 |
*currMV = newMV; |
pMB->pmvs[0].y = Data->currentMV[0].y - Data->predMV.y; |
| 1550 |
iMinSAD = iSAD; |
} else { |
| 1551 |
} |
// INTER4V MODE; all other things are already set in Search8hinted |
| 1552 |
} |
pMB->mode = MODE_INTER4V; |
| 1553 |
|
pMB->sad16 = Data->iMinSAD[1] + Data->iMinSAD[2] + Data->iMinSAD[3] |
| 1554 |
|
+ Data->iMinSAD[4] + IMV16X16 * iQuant; |
| 1555 |
} |
} |
| 1556 |
|
|
| 1557 |
/*************** Choose best MV found **************/ |
} |
| 1558 |
|
|
| 1559 |
EPZS8_Terminate_with_Refine: |
void |
| 1560 |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
MotionEstimationHinted( MBParam * const pParam, |
| 1561 |
iMinSAD = |
FRAMEINFO * const current, |
| 1562 |
Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
FRAMEINFO * const reference, |
| 1563 |
iMinSAD, pmv, min_dx, max_dx, min_dy, max_dy, |
const IMAGE * const pRefH, |
| 1564 |
iFcode, iQuant, iEdgedWidth); |
const IMAGE * const pRefV, |
| 1565 |
|
const IMAGE * const pRefHV) |
| 1566 |
|
{ |
| 1567 |
|
MACROBLOCK *const pMBs = current->mbs; |
| 1568 |
|
const IMAGE *const pCurrent = ¤t->image; |
| 1569 |
|
const IMAGE *const pRef = &reference->image; |
| 1570 |
|
|
| 1571 |
EPZS8_Terminate_without_Refine: |
uint32_t x, y; |
| 1572 |
|
int32_t temp[5]; |
| 1573 |
|
int32_t iMinSAD[5]; |
| 1574 |
|
VECTOR currentMV[5]; |
| 1575 |
|
SearchData Data; |
| 1576 |
|
Data.iEdgedWidth = pParam->edged_width; |
| 1577 |
|
Data.currentMV = currentMV; |
| 1578 |
|
Data.iMinSAD = iMinSAD; |
| 1579 |
|
Data.temp = temp; |
| 1580 |
|
Data.iFcode = current->fcode; |
| 1581 |
|
|
| 1582 |
currPMV->x = currMV->x - pmv[0].x; |
if (sadInit) (*sadInit) (); |
|
currPMV->y = currMV->y - pmv[0].y; |
|
|
return iMinSAD; |
|
|
} |
|
| 1583 |
|
|
| 1584 |
|
for (y = 0; y < pParam->mb_height; y++) { |
| 1585 |
|
for (x = 0; x < pParam->mb_width; x++) { |
| 1586 |
|
|
| 1587 |
|
MACROBLOCK *pMB = &pMBs[x + y * pParam->mb_width]; |
| 1588 |
|
|
| 1589 |
|
//intra mode is copied from the first pass. At least for the time being |
| 1590 |
|
if ((pMB->mode == MODE_INTRA) || (pMB->mode == MODE_NOT_CODED) ) continue; |
| 1591 |
|
|
| 1592 |
|
if (!(current->global_flags & XVID_LUMIMASKING)) { |
| 1593 |
|
pMB->dquant = NO_CHANGE; |
| 1594 |
|
pMB->quant = current->quant; } |
| 1595 |
|
|
| 1596 |
/* *********************************************************** |
SearchPhinted(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x, |
| 1597 |
bvop motion estimation |
y, current->motion_flags, pMB->quant, |
| 1598 |
// TODO: need to incorporate prediction here (eg. sad += calc_delta_16) |
pParam, pMBs, current->global_flags & XVID_INTER4V, pMB, |
| 1599 |
***************************************************************/ |
&Data); |
| 1600 |
|
|
| 1601 |
|
} |
| 1602 |
|
} |
| 1603 |
|
} |
| 1604 |
|
|
| 1605 |
void |
static __inline int |
| 1606 |
MotionEstimationBVOP(MBParam * const pParam, |
MEanalyzeMB ( const uint8_t * const pRef, |
| 1607 |
FRAMEINFO * const frame, |
const uint8_t * const pCur, |
| 1608 |
// forward (past) reference |
const int x, |
| 1609 |
const MACROBLOCK * const f_mbs, |
const int y, |
| 1610 |
const IMAGE * const f_ref, |
const MBParam * const pParam, |
| 1611 |
const IMAGE * const f_refH, |
const MACROBLOCK * const pMBs, |
| 1612 |
const IMAGE * const f_refV, |
MACROBLOCK * const pMB, |
| 1613 |
const IMAGE * const f_refHV, |
SearchData * const Data) |
|
// backward (future) reference |
|
|
const MACROBLOCK * const b_mbs, |
|
|
const IMAGE * const b_ref, |
|
|
const IMAGE * const b_refH, |
|
|
const IMAGE * const b_refV, |
|
|
const IMAGE * const b_refHV) |
|
| 1614 |
{ |
{ |
|
const uint32_t mb_width = pParam->mb_width; |
|
|
const uint32_t mb_height = pParam->mb_height; |
|
|
const int32_t edged_width = pParam->edged_width; |
|
| 1615 |
|
|
| 1616 |
uint32_t i, j; |
int i, mask; |
| 1617 |
|
VECTOR pmv[3]; |
| 1618 |
|
|
| 1619 |
int32_t f_sad16; |
*(Data->iMinSAD) = MV_MAX_ERROR; |
| 1620 |
int32_t b_sad16; |
Data->predMV = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
| 1621 |
int32_t i_sad16; |
get_range(&Data->min_dx, &Data->max_dx, &Data->min_dy, &Data->max_dy, x, y, 16, |
| 1622 |
int32_t d_sad16; |
pParam->width, pParam->height, Data->iFcode); |
|
int32_t best_sad; |
|
| 1623 |
|
|
| 1624 |
VECTOR pmv_dontcare; |
Data->Cur = pCur + (x + y * pParam->edged_width) * 16; |
| 1625 |
|
Data->Ref = pRef + (x + y * pParam->edged_width) * 16; |
| 1626 |
|
|
| 1627 |
// note: i==horizontal, j==vertical |
CheckCandidate = CheckCandidate16no4vI; |
|
for (j = 0; j < mb_height; j++) { |
|
|
for (i = 0; i < mb_width; i++) { |
|
|
MACROBLOCK *mb = &frame->mbs[i + j * mb_width]; |
|
|
const MACROBLOCK *f_mb = &f_mbs[i + j * mb_width]; |
|
|
const MACROBLOCK *b_mb = &b_mbs[i + j * mb_width]; |
|
|
|
|
|
if (b_mb->mode == MODE_INTER && b_mb->cbp == 0 && |
|
|
b_mb->mvs[0].x == 0 && b_mb->mvs[0].y == 0) { |
|
|
mb->mode = MODE_NOT_CODED; |
|
|
mb->mvs[0].x = 0; |
|
|
mb->mvs[0].y = 0; |
|
|
mb->b_mvs[0].x = 0; |
|
|
mb->b_mvs[0].y = 0; |
|
|
continue; |
|
|
} |
|
|
/* force F_SAD16 |
|
|
f_sad16 = 100; |
|
|
b_sad16 = 65535; |
|
|
|
|
|
mb->mode = MODE_FORWARD; |
|
|
mb->mvs[0].x = 1; |
|
|
mb->mvs[0].y = 1; |
|
|
mb->b_mvs[0].x = 1; |
|
|
mb->b_mvs[0].y = 1; |
|
|
continue; |
|
|
^^ force F_SAD16 */ |
|
| 1628 |
|
|
| 1629 |
|
pmv[1].x = EVEN(pMB->mvs[0].x); |
| 1630 |
|
pmv[1].y = EVEN(pMB->mvs[0].y); |
| 1631 |
|
pmv[0].x = EVEN(Data->predMV.x); |
| 1632 |
|
pmv[0].y = EVEN(Data->predMV.y); |
| 1633 |
|
pmv[2].x = pmv[2].y = 0; |
| 1634 |
|
|
| 1635 |
// forward search |
CheckCandidate16no4vI(pmv[0].x, pmv[0].y, 255, &i, Data); |
| 1636 |
f_sad16 = |
if (!(mask = make_mask(pmv, 1))) |
| 1637 |
SEARCH16(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
CheckCandidate16no4vI(pmv[1].x, pmv[1].y, mask, &i, Data); |
| 1638 |
&frame->image, i, j, frame->motion_flags, |
if (!(mask = make_mask(pmv, 2))) |
| 1639 |
frame->quant, frame->fcode, pParam, |
CheckCandidate16no4vI(0, 0, mask, &i, Data); |
|
f_mbs, f_mbs, /* todo */ |
|
|
&mb->mvs[0], &pmv_dontcare); // ignore pmv |
|
| 1640 |
|
|
| 1641 |
// backward search |
DiamondSearch(Data->currentMV->x, Data->currentMV->y, Data, i); |
| 1642 |
b_sad16 = SEARCH16(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
|
| 1643 |
&frame->image, i, j, frame->motion_flags, |
pMB->mvs[0] = pMB->mvs[1] |
| 1644 |
frame->quant, frame->bcode, pParam, |
= pMB->mvs[2] = pMB->mvs[3] = *Data->currentMV; // all, for future get_pmv() |
|
b_mbs, b_mbs, /* todo */ |
|
|
&mb->b_mvs[0], &pmv_dontcare); // ignore pmv |
|
|
|
|
|
// interpolate search (simple, but effective) |
|
|
i_sad16 = 65535; |
|
|
|
|
|
/* |
|
|
x/y range somewhat buggy |
|
|
i_sad16 = |
|
|
sad16bi_c(frame->image.y + i * 16 + j * 16 * edged_width, |
|
|
get_ref(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
|
|
i, j, 16, mb->mvs[0].x, mb->mvs[0].y, |
|
|
edged_width), get_ref(b_ref->y, b_refH->y, |
|
|
b_refV->y, b_refHV->y, |
|
|
i, j, 16, |
|
|
mb->b_mvs[0].x, |
|
|
mb->b_mvs[0].x, |
|
|
edged_width), |
|
|
edged_width); |
|
|
*/ |
|
|
|
|
|
// TODO: direct search |
|
|
// predictor + range of [-32,32] |
|
|
d_sad16 = 65535; |
|
|
|
|
|
|
|
|
if (f_sad16 < b_sad16) { |
|
|
best_sad = f_sad16; |
|
|
mb->mode = MODE_FORWARD; |
|
|
} else { |
|
|
best_sad = b_sad16; |
|
|
mb->mode = MODE_BACKWARD; |
|
|
} |
|
| 1645 |
|
|
| 1646 |
if (i_sad16 < best_sad) { |
return *(Data->iMinSAD); |
|
best_sad = i_sad16; |
|
|
mb->mode = MODE_INTERPOLATE; |
|
| 1647 |
} |
} |
| 1648 |
|
|
| 1649 |
if (d_sad16 < best_sad) { |
#define INTRA_THRESH 1350 |
| 1650 |
best_sad = d_sad16; |
#define INTER_THRESH 900 |
| 1651 |
mb->mode = MODE_DIRECT; |
|
| 1652 |
|
int |
| 1653 |
|
MEanalysis( const IMAGE * const pRef, |
| 1654 |
|
const IMAGE * const pCurrent, |
| 1655 |
|
MBParam * const pParam, |
| 1656 |
|
MACROBLOCK * const pMBs, |
| 1657 |
|
const uint32_t iFcode) |
| 1658 |
|
{ |
| 1659 |
|
uint32_t x, y, intra = 0; |
| 1660 |
|
int sSAD = 0; |
| 1661 |
|
|
| 1662 |
|
VECTOR currentMV; |
| 1663 |
|
int32_t iMinSAD; |
| 1664 |
|
SearchData Data; |
| 1665 |
|
Data.iEdgedWidth = pParam->edged_width; |
| 1666 |
|
Data.currentMV = ¤tMV; |
| 1667 |
|
Data.iMinSAD = &iMinSAD; |
| 1668 |
|
Data.iFcode = iFcode; |
| 1669 |
|
Data.iQuant = 2; |
| 1670 |
|
|
| 1671 |
|
if (sadInit) (*sadInit) (); |
| 1672 |
|
|
| 1673 |
|
for (y = 0; y < pParam->mb_height-1; y++) { |
| 1674 |
|
for (x = 0; x < pParam->mb_width; x++) { |
| 1675 |
|
int sad, dev; |
| 1676 |
|
MACROBLOCK *pMB = &pMBs[x + y * pParam->mb_width]; |
| 1677 |
|
|
| 1678 |
|
sad = MEanalyzeMB(pRef->y, pCurrent->y, x, y, |
| 1679 |
|
pParam, pMBs, pMB, &Data); |
| 1680 |
|
|
| 1681 |
|
if ( x != 0 && y != 0 && x != pParam->mb_width-1 ) { //no edge macroblocks, they just don't work |
| 1682 |
|
if (sad > INTRA_THRESH) { |
| 1683 |
|
dev = dev16(pCurrent->y + (x + y * pParam->edged_width) * 16, |
| 1684 |
|
pParam->edged_width); |
| 1685 |
|
if (dev + INTRA_THRESH < sad) intra++; |
| 1686 |
|
if (intra > (pParam->mb_height-2)*(pParam->mb_width-2)/2) return 2; // I frame |
| 1687 |
|
} |
| 1688 |
|
sSAD += sad; |
| 1689 |
} |
} |
| 1690 |
|
|
| 1691 |
} |
} |
| 1692 |
} |
} |
| 1693 |
|
sSAD /= (pParam->mb_height-2)*(pParam->mb_width-2); |
| 1694 |
|
if (sSAD > INTER_THRESH ) return 1; //P frame |
| 1695 |
|
emms(); |
| 1696 |
|
return 0; // B frame |
| 1697 |
|
|
| 1698 |
} |
} |
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