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/************************************************************************** |
/************************************************************************** |
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* |
* |
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* XVID MPEG-4 VIDEO CODEC |
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* motion estimation |
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* |
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* This program is an implementation of a part of one or more MPEG-4 |
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* Video tools as specified in ISO/IEC 14496-2 standard. Those intending |
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* to use this software module in hardware or software products are |
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* advised that its use may infringe existing patents or copyrights, and |
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* any such use would be at such party's own risk. The original |
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* developer of this software module and his/her company, and subsequent |
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* editors and their companies, will have no liability for use of this |
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* software or modifications or derivatives thereof. |
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* |
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* 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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/************************************************************************** |
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* |
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* Modifications: |
* Modifications: |
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* |
* |
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* 01.05.2002 updated MotionEstimationBVOP |
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* 25.04.2002 partial prevMB conversion |
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* 22.04.2002 remove some compile warning by chenm001 <chenm001@163.com> |
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* 14.04.2002 added MotionEstimationBVOP() |
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* 02.04.2002 add EPZS(^2) as ME algorithm, use PMV_USESQUARES to choose between |
* 02.04.2002 add EPZS(^2) as ME algorithm, use PMV_USESQUARES to choose between |
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* EPZS and EPZS^2 |
* EPZS and EPZS^2 |
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* 08.02.2002 split up PMVfast into three routines: PMVFast, PMVFast_MainLoop |
* 08.02.2002 split up PMVfast into three routines: PMVFast, PMVFast_MainLoop |
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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.h" |
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#include "sad.h" |
#include "sad.h" |
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// very large value |
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#define MV_MAX_ERROR (4096 * 256) |
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// stop search if sdelta < THRESHOLD |
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#define MV16_THRESHOLD 192 |
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#define MV8_THRESHOLD 56 |
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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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/* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ |
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#define INTER_BIAS 512 |
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/* Parameters which control inter/inter4v decision */ |
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#define IMV16X16 5 |
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/* vector map (vlc delta size) smoother parameters */ |
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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 |
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#define EVEN(A) (((A)<0?(A)+1:(A)) & ~1) |
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#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
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#define MAX(X, Y) ((X)>(Y)?(X):(Y)) |
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#define ABS(X) (((X)>0)?(X):-(X)) |
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#define SIGN(X) (((X)>0)?1:-1) |
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int32_t PMVfastSearch16( |
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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, const int y, |
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const uint32_t MotionFlags, |
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const MBParam * const pParam, |
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MACROBLOCK * const pMBs, |
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VECTOR * const currMV, |
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VECTOR * const currPMV); |
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int32_t EPZSSearch16( |
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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, const int y, |
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const uint32_t MotionFlags, |
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const MBParam * const pParam, |
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MACROBLOCK * const pMBs, |
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VECTOR * const currMV, |
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VECTOR * const currPMV); |
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int32_t PMVfastSearch8( |
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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, const int y, |
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const int start_x, int start_y, |
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const uint32_t MotionFlags, |
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const MBParam * const pParam, |
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MACROBLOCK * const pMBs, |
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VECTOR * const currMV, |
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VECTOR * const currPMV); |
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int32_t EPZSSearch8( |
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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, const int y, |
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const int start_x, int start_y, |
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const uint32_t MotionFlags, |
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const MBParam * const pParam, |
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MACROBLOCK * const pMBs, |
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VECTOR * const currMV, |
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VECTOR * const currPMV); |
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typedef int32_t (MainSearch16Func)( |
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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 uint8_t * const cur, |
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const int x, const int y, |
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int32_t startx, 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, const int32_t max_dx, |
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const int32_t min_dy, 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; |
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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typedef int32_t (MainSearch8Func)( |
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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 uint8_t * const cur, |
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const int x, const int y, |
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int32_t startx, 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, const int32_t max_dx, |
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const int32_t min_dy, 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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// mv.length table |
// mv.length table |
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static const uint32_t mvtab[33] = { |
static const uint32_t mvtab[33] = { |
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}; |
}; |
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static __inline uint32_t mv_bits(int32_t component, const uint32_t iFcode) |
static __inline uint32_t |
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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) |
if (component == 0) |
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return 1; |
return 1; |
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if (component < 0) |
if (component < 0) |
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component = -component; |
component = -component; |
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if (iFcode == 1) |
if (iFcode == 1) { |
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{ |
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if (component > 32) |
if (component > 32) |
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component = 32; |
component = 32; |
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} |
} |
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static __inline uint32_t calc_delta_16(const int32_t dx, const int32_t dy, const uint32_t iFcode) |
static __inline uint32_t |
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{ |
calc_delta_16(const int32_t dx, |
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return NEIGH_TEND_16X16 * (mv_bits(dx, iFcode) + mv_bits(dy, iFcode)); |
const int32_t dy, |
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} |
const uint32_t iFcode, |
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const uint32_t iQuant) |
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static __inline uint32_t calc_delta_8(const int32_t dx, const int32_t dy, const uint32_t iFcode) |
{ |
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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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return NEIGH_TEND_8X8 * (mv_bits(dx, iFcode) + 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, |
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const int32_t dy, |
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const uint32_t iFcode, |
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/* calculate the min/max range (in halfpixels) |
const uint32_t iQuant) |
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relative to the _MACROBLOCK_ position |
{ |
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*/ |
return NEIGH_TEND_8X8 * lambda_vec8[iQuant] * (mv_bits(dx, iFcode) + |
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mv_bits(dy, iFcode)); |
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static void __inline get_range( |
} |
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int32_t * const min_dx, int32_t * const max_dx, |
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int32_t * const min_dy, int32_t * const max_dy, |
bool |
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const uint32_t x, const uint32_t y, |
MotionEstimation(MBParam * const pParam, |
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const uint32_t block_sz, // block dimension, 8 or 16 |
FRAMEINFO * const current, |
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const uint32_t width, const uint32_t height, |
FRAMEINFO * const reference, |
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const uint32_t fcode) |
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{ |
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const int search_range = 32 << (fcode - 1); |
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const int high = search_range - 1; |
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const int low = -search_range; |
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// convert full-pixel measurements to half pixel |
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const int hp_width = 2 * width; |
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const int hp_height = 2 * height; |
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const int hp_edge = 2 * block_sz; |
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const int hp_x = 2 * (x) * block_sz; // we need _right end_ of block, not x-coordinate |
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const int hp_y = 2 * (y) * block_sz; // same for _bottom end_ |
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*max_dx = MIN(high, hp_width - hp_x); |
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*max_dy = MIN(high, hp_height - hp_y); |
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*min_dx = MAX(low, -(hp_edge + hp_x)); |
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*min_dy = MAX(low, -(hp_edge + hp_y)); |
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} |
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/* |
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* getref: calculate reference image pointer |
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* the decision to use interpolation h/v/hv or the normal image is |
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* based on dx & dy. |
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*/ |
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static __inline const uint8_t * get_ref( |
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const uint8_t * const refn, |
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const uint8_t * const refh, |
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const uint8_t * const refv, |
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const uint8_t * const refhv, |
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const uint32_t x, const uint32_t y, |
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const uint32_t block, // block dimension, 8 or 16 |
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const int32_t dx, const int32_t dy, |
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const uint32_t stride) |
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{ |
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switch ( ((dx&1)<<1) + (dy&1) ) // ((dx%2)?2:0)+((dy%2)?1:0) |
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{ |
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case 0 : return refn + (x*block+dx/2) + (y*block+dy/2)*stride; |
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case 1 : return refv + (x*block+dx/2) + (y*block+(dy-1)/2)*stride; |
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case 2 : return refh + (x*block+(dx-1)/2) + (y*block+dy/2)*stride; |
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default : |
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case 3 : return refhv + (x*block+(dx-1)/2) + (y*block+(dy-1)/2)*stride; |
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} |
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} |
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/* This is somehow a copy of get_ref, but with MV instead of X,Y */ |
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static __inline const uint8_t * get_ref_mv( |
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const uint8_t * const refn, |
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const uint8_t * const refh, |
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const uint8_t * const refv, |
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const uint8_t * const refhv, |
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const uint32_t x, const uint32_t y, |
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const uint32_t block, // block dimension, 8 or 16 |
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const VECTOR* mv, // measured in half-pel! |
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const uint32_t stride) |
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{ |
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switch ( (((mv->x)&1)<<1) + ((mv->y)&1) ) |
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{ |
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case 0 : return refn + (x*block+(mv->x)/2) + (y*block+(mv->y)/2)*stride; |
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case 1 : return refv + (x*block+(mv->x)/2) + (y*block+((mv->y)-1)/2)*stride; |
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case 2 : return refh + (x*block+((mv->x)-1)/2) + (y*block+(mv->y)/2)*stride; |
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default : |
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case 3 : return refhv + (x*block+((mv->x)-1)/2) + (y*block+((mv->y)-1)/2)*stride; |
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} |
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} |
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#ifndef SEARCH16 |
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#define SEARCH16 PMVfastSearch16 |
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//#define SEARCH16 FullSearch16 |
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//#define SEARCH16 EPZSSearch16 |
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#endif |
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#ifndef SEARCH8 |
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#define SEARCH8 PMVfastSearch8 |
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//#define SEARCH8 EPZSSearch8 |
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#endif |
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bool MotionEstimation( |
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MACROBLOCK * const pMBs, |
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MBParam * const pParam, |
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const IMAGE * const pRef, |
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const IMAGE * const pRefH, |
const IMAGE * const pRefH, |
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const IMAGE * const pRefV, |
const IMAGE * const pRefV, |
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const IMAGE * const pRefHV, |
const IMAGE * const pRefHV, |
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IMAGE * const pCurrent, |
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const uint32_t iLimit) |
const uint32_t iLimit) |
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{ |
{ |
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const uint32_t iWcount = pParam->mb_width; |
const uint32_t iWcount = pParam->mb_width; |
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const uint32_t iHcount = pParam->mb_height; |
const uint32_t iHcount = pParam->mb_height; |
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MACROBLOCK *const pMBs = current->mbs; |
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uint32_t i, j, iIntra = 0; |
MACROBLOCK *const prevMBs = reference->mbs; |
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const IMAGE *const pCurrent = ¤t->image; |
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VECTOR mv16; |
const IMAGE *const pRef = &reference->image; |
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VECTOR pmv16; |
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const VECTOR zeroMV = { 0, 0 }; |
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int32_t sad8 = 0; |
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int32_t sad16; |
long long time; |
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int32_t deviation; |
int32_t x, y; |
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int32_t iIntra = 0; |
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VECTOR pmv; |
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if (sadInit) |
if (sadInit) |
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(*sadInit)(); |
(*sadInit)(); |
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// note: i==horizontal, j==vertical |
for (y = 0; y < iHcount; y++) { |
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for (i = 0; i < iHcount; i++) |
for (x = 0; x < iWcount; x ++) { |
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for (j = 0; j < iWcount; j++) |
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{ |
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MACROBLOCK *pMB = &pMBs[j + i * iWcount]; |
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sad16 = SEARCH16(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
MACROBLOCK *const pMB = &pMBs[x + y * iWcount]; |
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j, i, pParam->motion_flags, |
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pParam, pMBs, &mv16, &pmv16); |
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pMB->sad16=sad16; |
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pMB->sad16 = |
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SEARCH16(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, x, |
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y, current->motion_flags, current->quant, |
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current->fcode, pParam, pMBs, prevMBs, &pMB->mv16, |
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&pMB->pmvs[0]); |
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/* decide: MODE_INTER or MODE_INTRA |
if (0 < (pMB->sad16 - MV16_INTER_BIAS)) { |
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if (dev_intra < sad_inter - 2 * nb) use_intra |
int32_t deviation; |
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*/ |
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deviation = dev16(pCurrent->y + j*16 + i*16*pParam->edged_width, pParam->edged_width); |
deviation = |
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dev16(pCurrent->y + x * 16 + y * 16 * pParam->edged_width, |
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pParam->edged_width); |
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if (deviation < (sad16 - INTER_BIAS)) |
if (deviation < (pMB->sad16 - MV16_INTER_BIAS)) { |
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{ |
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pMB->mode = MODE_INTRA; |
pMB->mode = MODE_INTRA; |
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pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = 0; |
pMB->mv16 = pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = |
205 |
pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = 0; |
pMB->mvs[3] = zeroMV; |
206 |
|
pMB->sad16 = pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = |
207 |
|
pMB->sad8[3] = 0; |
208 |
|
|
209 |
iIntra++; |
iIntra++; |
210 |
if(iIntra >= iLimit) |
if(iIntra >= iLimit) |
212 |
|
|
213 |
continue; |
continue; |
214 |
} |
} |
|
|
|
|
if (pParam->global_flags & XVID_INTER4V) |
|
|
{ |
|
|
pMB->sad8[0] = SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
|
|
2 * j, 2 * i, mv16.x, mv16.y, pParam->motion_flags, |
|
|
pParam, pMBs, &pMB->mvs[0], &pMB->pmvs[0]); |
|
|
|
|
|
pMB->sad8[1] = SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
|
|
2 * j + 1, 2 * i, mv16.x, mv16.y, pParam->motion_flags, |
|
|
pParam, pMBs, &pMB->mvs[1], &pMB->pmvs[1]); |
|
|
|
|
|
pMB->sad8[2] = SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
|
|
2 * j, 2 * i + 1, mv16.x, mv16.y, pParam->motion_flags, |
|
|
pParam, pMBs, &pMB->mvs[2], &pMB->pmvs[2]); |
|
|
|
|
|
pMB->sad8[3] = SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, pCurrent, |
|
|
2 * j + 1, 2 * i + 1, mv16.x, mv16.y, pParam->motion_flags, |
|
|
pParam, pMBs, &pMB->mvs[3], &pMB->pmvs[3]); |
|
|
|
|
|
sad8 = pMB->sad8[0] + pMB->sad8[1] + pMB->sad8[2] + pMB->sad8[3]; |
|
215 |
} |
} |
216 |
|
|
217 |
|
pmv = pMB->pmvs[0]; |
218 |
|
if (current->global_flags & XVID_INTER4V) |
219 |
|
if ((!(current->global_flags & XVID_LUMIMASKING) || |
220 |
|
pMB->dquant == NO_CHANGE)) { |
221 |
|
int32_t sad8 = IMV16X16 * current->quant; |
222 |
|
|
223 |
|
if (sad8 < pMB->sad16) |
224 |
|
|
225 |
|
sad8 += pMB->sad8[0] = |
226 |
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
227 |
|
pCurrent, 2 * x, 2 * y, pMB->mv16.x, |
228 |
|
pMB->mv16.y, current->motion_flags, |
229 |
|
current->quant, current->fcode, pParam, |
230 |
|
pMBs, prevMBs, &pMB->mvs[0], |
231 |
|
&pMB->pmvs[0]); |
232 |
|
|
233 |
|
if (sad8 < pMB->sad16) |
234 |
|
sad8 += pMB->sad8[1] = |
235 |
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
236 |
|
pCurrent, 2 * x + 1, 2 * y, pMB->mv16.x, |
237 |
|
pMB->mv16.y, current->motion_flags, |
238 |
|
current->quant, current->fcode, pParam, |
239 |
|
pMBs, prevMBs, &pMB->mvs[1], |
240 |
|
&pMB->pmvs[1]); |
241 |
|
|
242 |
|
if (sad8 < pMB->sad16) |
243 |
|
sad8 += pMB->sad8[2] = |
244 |
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
245 |
|
pCurrent, 2 * x, 2 * y + 1, pMB->mv16.x, |
246 |
|
pMB->mv16.y, current->motion_flags, |
247 |
|
current->quant, current->fcode, pParam, |
248 |
|
pMBs, prevMBs, &pMB->mvs[2], |
249 |
|
&pMB->pmvs[2]); |
250 |
|
|
251 |
|
if (sad8 < pMB->sad16) |
252 |
|
sad8 += pMB->sad8[3] = |
253 |
|
SEARCH8(pRef->y, pRefH->y, pRefV->y, pRefHV->y, |
254 |
|
pCurrent, 2 * x + 1, 2 * y + 1, |
255 |
|
pMB->mv16.x, pMB->mv16.y, |
256 |
|
current->motion_flags, current->quant, |
257 |
|
current->fcode, pParam, pMBs, prevMBs, |
258 |
|
&pMB->mvs[3], &pMB->pmvs[3]); |
259 |
|
|
260 |
/* decide: MODE_INTER or MODE_INTER4V |
/* decide: MODE_INTER or MODE_INTER4V |
261 |
mpeg4: if (sad8 < sad16 - nb/2+1) use_inter4v |
mpeg4: if (sad8 < pMB->sad16 - nb/2+1) use_inter4v |
262 |
*/ |
*/ |
263 |
|
|
264 |
if (pMB->dquant == NO_CHANGE) { |
if (sad8 < pMB->sad16) { |
|
if (((pParam->global_flags & XVID_INTER4V)==0) || |
|
|
(sad16 < (sad8 + (int32_t)(IMV16X16 * pParam->quant)))) { |
|
|
|
|
|
sad8 = sad16; |
|
|
pMB->mode = MODE_INTER; |
|
|
pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = mv16.x; |
|
|
pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = mv16.y; |
|
|
pMB->pmvs[0].x = pmv16.x; |
|
|
pMB->pmvs[0].y = pmv16.y; |
|
|
} |
|
|
else |
|
265 |
pMB->mode = MODE_INTER4V; |
pMB->mode = MODE_INTER4V; |
266 |
|
pMB->sad8[0] *= 4; |
267 |
|
pMB->sad8[1] *= 4; |
268 |
|
pMB->sad8[2] *= 4; |
269 |
|
pMB->sad8[3] *= 4; |
270 |
|
continue; |
271 |
} |
} |
272 |
else |
|
273 |
{ |
} |
274 |
sad8 = sad16; |
|
275 |
pMB->mode = MODE_INTER; |
pMB->mode = MODE_INTER; |
276 |
pMB->mvs[0].x = pMB->mvs[1].x = pMB->mvs[2].x = pMB->mvs[3].x = mv16.x; |
pMB->pmvs[0] = pmv; /* pMB->pmvs[1] = pMB->pmvs[2] = pMB->pmvs[3] are not needed for INTER */ |
277 |
pMB->mvs[0].y = pMB->mvs[1].y = pMB->mvs[2].y = pMB->mvs[3].y = mv16.y; |
pMB->mvs[0] = pMB->mvs[1] = pMB->mvs[2] = pMB->mvs[3] = pMB->mv16; |
278 |
pMB->pmvs[0].x = pmv16.x; |
pMB->sad8[0] = pMB->sad8[1] = pMB->sad8[2] = pMB->sad8[3] = |
279 |
pMB->pmvs[0].y = pmv16.y; |
pMB->sad16; |
280 |
} |
} |
281 |
} |
} |
282 |
|
|
283 |
return 0; |
return 0; |
284 |
} |
} |
285 |
|
|
|
#define MVzero(A) ( ((A).x)==(0) && ((A).y)==(0) ) |
|
|
|
|
|
#define MVequal(A,B) ( ((A).x)==((B).x) && ((A).y)==((B).y) ) |
|
|
|
|
|
|
|
286 |
#define CHECK_MV16_ZERO {\ |
#define CHECK_MV16_ZERO {\ |
287 |
if ( (0 <= max_dx) && (0 >= min_dx) \ |
if ( (0 <= max_dx) && (0 >= min_dx) \ |
288 |
&& (0 <= max_dy) && (0 >= min_dy) ) \ |
&& (0 <= max_dy) && (0 >= min_dy) ) \ |
289 |
{ \ |
{ \ |
290 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0, 0 , iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0, 0 , iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); \ |
291 |
iSAD += calc_delta_16(-pmv[0].x, -pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16(-pmv[0].x, -pmv[0].y, (uint8_t)iFcode, iQuant);\ |
|
if (iSAD <= iQuant * 96) \ |
|
|
iSAD -= MV16_00_BIAS; \ |
|
292 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
293 |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } } \ |
294 |
} |
} |
295 |
|
|
296 |
#define NOCHECK_MV16_CANDIDATE(X,Y) { \ |
#define NOCHECK_MV16_CANDIDATE(X,Y) { \ |
297 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
298 |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode, iQuant);\ |
299 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
300 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
301 |
} |
} |
305 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
306 |
{ \ |
{ \ |
307 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
308 |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode, iQuant);\ |
309 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
310 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
311 |
} |
} |
315 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
316 |
{ \ |
{ \ |
317 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
318 |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode, iQuant);\ |
319 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
320 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
321 |
} |
} |
325 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
326 |
{ \ |
{ \ |
327 |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
iSAD = sad16( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, X, Y, iEdgedWidth),iEdgedWidth, iMinSAD); \ |
328 |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_16((X) - pmv[0].x, (Y) - pmv[0].y, (uint8_t)iFcode, iQuant);\ |
329 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
330 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
331 |
} |
} |
333 |
|
|
334 |
#define CHECK_MV8_ZERO {\ |
#define CHECK_MV8_ZERO {\ |
335 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, 0, 0 , iEdgedWidth), iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, 0, 0 , iEdgedWidth), iEdgedWidth); \ |
336 |
iSAD += calc_delta_8(-pmv[0].x, -pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8(-pmv[0].x, -pmv[0].y, (uint8_t)iFcode, iQuant);\ |
337 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
338 |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ |
{ iMinSAD=iSAD; currMV->x=0; currMV->y=0; } \ |
339 |
} |
} |
341 |
#define NOCHECK_MV8_CANDIDATE(X,Y) \ |
#define NOCHECK_MV8_CANDIDATE(X,Y) \ |
342 |
{ \ |
{ \ |
343 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
344 |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode, iQuant);\ |
345 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
346 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } \ |
347 |
} |
} |
351 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
352 |
{ \ |
{ \ |
353 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
354 |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode, iQuant);\ |
355 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
356 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); } } \ |
357 |
} |
} |
361 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
362 |
{ \ |
{ \ |
363 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
364 |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode, iQuant);\ |
365 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
366 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); } } \ |
367 |
} |
} |
371 |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
&& ((Y) <= max_dy) && ((Y) >= min_dy) ) \ |
372 |
{ \ |
{ \ |
373 |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
iSAD = sad8( cur, get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 8, (X), (Y), iEdgedWidth),iEdgedWidth); \ |
374 |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode) * iQuant;\ |
iSAD += calc_delta_8((X)-pmv[0].x, (Y)-pmv[0].y, (uint8_t)iFcode, iQuant);\ |
375 |
if (iSAD < iMinSAD) \ |
if (iSAD < iMinSAD) \ |
376 |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
{ iMinSAD=iSAD; currMV->x=(X); currMV->y=(Y); iDirection=(D); iFound=0; } } \ |
377 |
} |
} |
386 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
387 |
const int x, const int y, |
const int x, const int y, |
388 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
389 |
|
const uint32_t iQuant, |
390 |
|
const uint32_t iFcode, |
391 |
MBParam * const pParam, |
MBParam * const pParam, |
392 |
MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
393 |
|
const MACROBLOCK * const prevMBs, |
394 |
VECTOR * const currMV, |
VECTOR * const currMV, |
395 |
VECTOR * const currPMV) |
VECTOR * const currPMV) |
396 |
{ |
{ |
397 |
const int32_t iEdgedWidth = pParam->edged_width; |
const int32_t iEdgedWidth = pParam->edged_width; |
|
const int32_t iQuant = pParam->quant; |
|
398 |
const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; |
const uint8_t * cur = pCur->y + x*16 + y*16*iEdgedWidth; |
399 |
int32_t iSAD; |
int32_t iSAD; |
400 |
int32_t pred_x,pred_y; |
VECTOR pred; |
401 |
|
|
402 |
get_pmv(pMBs, x, y, pParam->mb_width, 0, &pred_x, &pred_y); |
|
403 |
|
pred = get_pmv2(pMBs, pParam->mb_width, 0, x, y, 0); |
404 |
|
|
405 |
iSAD = sad16( cur, |
iSAD = sad16( cur, |
406 |
get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0,0, iEdgedWidth), |
get_ref(pRef, pRefH, pRefV, pRefHV, x, y, 16, 0,0, iEdgedWidth), |
410 |
|
|
411 |
currMV->x = 0; |
currMV->x = 0; |
412 |
currMV->y = 0; |
currMV->y = 0; |
413 |
currPMV->x = -pred_x; |
currPMV->x = -pred.x; |
414 |
currPMV->y = -pred_y; |
currPMV->y = -pred.y; |
415 |
|
|
416 |
return iSAD; |
return iSAD; |
417 |
|
|
418 |
} |
} |
419 |
*/ |
*/ |
420 |
|
|
421 |
int32_t Diamond16_MainSearch( |
int32_t |
422 |
const uint8_t * const pRef, |
Diamond16_MainSearch(const uint8_t * const pRef, |
423 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
424 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
425 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
426 |
const uint8_t * const cur, |
const uint8_t * const cur, |
427 |
const int x, const int y, |
const int x, |
428 |
int32_t startx, int32_t starty, |
const int y, |
429 |
|
int32_t startx, |
430 |
|
int32_t starty, |
431 |
int32_t iMinSAD, |
int32_t iMinSAD, |
432 |
VECTOR * const currMV, |
VECTOR * const currMV, |
433 |
const VECTOR * const pmv, |
const VECTOR * const pmv, |
434 |
const int32_t min_dx, const int32_t max_dx, |
const int32_t min_dx, |
435 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t max_dx, |
436 |
|
const int32_t min_dy, |
437 |
|
const int32_t max_dy, |
438 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
439 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
440 |
const int32_t iFcode, |
const int32_t iFcode, |
446 |
int32_t iDirection=0; |
int32_t iDirection=0; |
447 |
int32_t iSAD; |
int32_t iSAD; |
448 |
VECTOR backupMV; |
VECTOR backupMV; |
449 |
|
|
450 |
backupMV.x = startx; |
backupMV.x = startx; |
451 |
backupMV.y = starty; |
backupMV.y = starty; |
452 |
|
|
458 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
459 |
|
|
460 |
if (iDirection) |
if (iDirection) |
461 |
while (!iFound) |
while (!iFound) { |
|
{ |
|
462 |
iFound = 1; |
iFound = 1; |
463 |
backupMV=*currMV; |
backupMV=*currMV; |
464 |
|
|
465 |
if ( iDirection != 2) |
if ( iDirection != 2) |
466 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
467 |
|
backupMV.y, 1); |
468 |
if ( iDirection != 1) |
if ( iDirection != 1) |
469 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x+iDiamondSize,backupMV.y,2); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
470 |
|
backupMV.y, 2); |
471 |
if ( iDirection != 4) |
if ( iDirection != 4) |
472 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
473 |
|
backupMV.y - iDiamondSize, 3); |
474 |
if ( iDirection != 3) |
if ( iDirection != 3) |
475 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x, |
476 |
} |
backupMV.y + iDiamondSize, 4); |
477 |
else |
} else { |
|
{ |
|
478 |
currMV->x = startx; |
currMV->x = startx; |
479 |
currMV->y = starty; |
currMV->y = starty; |
480 |
} |
} |
481 |
return iMinSAD; |
return iMinSAD; |
482 |
} |
} |
483 |
|
|
484 |
int32_t Square16_MainSearch( |
int32_t |
485 |
const uint8_t * const pRef, |
Square16_MainSearch(const uint8_t * const pRef, |
486 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
487 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
488 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
489 |
const uint8_t * const cur, |
const uint8_t * const cur, |
490 |
const int x, const int y, |
const int x, |
491 |
int32_t startx, int32_t starty, |
const int y, |
492 |
|
int32_t startx, |
493 |
|
int32_t starty, |
494 |
int32_t iMinSAD, |
int32_t iMinSAD, |
495 |
VECTOR * const currMV, |
VECTOR * const currMV, |
496 |
const VECTOR * const pmv, |
const VECTOR * const pmv, |
497 |
const int32_t min_dx, const int32_t max_dx, |
const int32_t min_dx, |
498 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t max_dx, |
499 |
|
const int32_t min_dy, |
500 |
|
const int32_t max_dy, |
501 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
502 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
503 |
const int32_t iFcode, |
const int32_t iFcode, |
509 |
int32_t iDirection=0; |
int32_t iDirection=0; |
510 |
int32_t iSAD; |
int32_t iSAD; |
511 |
VECTOR backupMV; |
VECTOR backupMV; |
512 |
|
|
513 |
backupMV.x = startx; |
backupMV.x = startx; |
514 |
backupMV.y = starty; |
backupMV.y = starty; |
515 |
|
|
526 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
527 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
528 |
|
|
529 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
530 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
backupMV.y - iDiamondSize, 5); |
531 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
532 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
backupMV.y + iDiamondSize, 6); |
533 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
534 |
|
backupMV.y - iDiamondSize, 7); |
535 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
536 |
|
backupMV.y + iDiamondSize, 8); |
537 |
|
|
538 |
|
|
539 |
if (iDirection) |
if (iDirection) |
540 |
while (!iFound) |
while (!iFound) { |
|
{ |
|
541 |
iFound = 1; |
iFound = 1; |
542 |
backupMV=*currMV; |
backupMV=*currMV; |
543 |
|
|
544 |
switch (iDirection) |
switch (iDirection) { |
|
{ |
|
545 |
case 1: |
case 1: |
546 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
547 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
backupMV.y, 1); |
548 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
549 |
|
backupMV.y - iDiamondSize, 5); |
550 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
551 |
|
backupMV.y - iDiamondSize, 7); |
552 |
break; |
break; |
553 |
case 2: |
case 2: |
554 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, |
555 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
2); |
556 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
557 |
|
backupMV.y + iDiamondSize, 6); |
558 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
559 |
|
backupMV.y + iDiamondSize, 8); |
560 |
break; |
break; |
561 |
|
|
562 |
case 3: |
case 3: |
563 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, |
564 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
4); |
565 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
566 |
|
backupMV.y - iDiamondSize, 7); |
567 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
568 |
|
backupMV.y + iDiamondSize, 8); |
569 |
break; |
break; |
570 |
|
|
571 |
case 4: |
case 4: |
572 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, |
573 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
3); |
574 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
575 |
|
backupMV.y - iDiamondSize, 5); |
576 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
577 |
|
backupMV.y + iDiamondSize, 6); |
578 |
break; |
break; |
579 |
|
|
580 |
case 5: |
case 5: |
581 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, |
582 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
1); |
583 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, |
584 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
3); |
585 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
586 |
|
backupMV.y - iDiamondSize, 5); |
587 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
588 |
|
backupMV.y + iDiamondSize, 6); |
589 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
590 |
|
backupMV.y - iDiamondSize, 7); |
591 |
break; |
break; |
592 |
|
|
593 |
case 6: |
case 6: |
594 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, |
595 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
2); |
596 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, |
597 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
3); |
598 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
|
599 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
600 |
|
backupMV.y - iDiamondSize, 5); |
601 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
602 |
|
backupMV.y + iDiamondSize, 6); |
603 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
604 |
|
backupMV.y + iDiamondSize, 8); |
605 |
|
|
606 |
break; |
break; |
607 |
|
|
608 |
case 7: |
case 7: |
609 |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
610 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
backupMV.y, 1); |
611 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, |
612 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
4); |
613 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
614 |
|
backupMV.y - iDiamondSize, 5); |
615 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
616 |
|
backupMV.y - iDiamondSize, 7); |
617 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
618 |
|
backupMV.y + iDiamondSize, 8); |
619 |
break; |
break; |
620 |
|
|
621 |
case 8: |
case 8: |
622 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, |
623 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
2); |
624 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, |
625 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
4); |
626 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
627 |
|
backupMV.y + iDiamondSize, 6); |
628 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
629 |
|
backupMV.y - iDiamondSize, 7); |
630 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
631 |
|
backupMV.y + iDiamondSize, 8); |
632 |
break; |
break; |
633 |
default: |
default: |
634 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, backupMV.y, |
635 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y,2); |
1); |
636 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, backupMV.y, |
637 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
2); |
638 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y - iDiamondSize, |
639 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y-iDiamondSize,5); |
3); |
640 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x-iDiamondSize,backupMV.y+iDiamondSize,6); |
CHECK_MV16_CANDIDATE_DIR(backupMV.x, backupMV.y + iDiamondSize, |
641 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y-iDiamondSize,7); |
4); |
642 |
CHECK_MV16_CANDIDATE_DIR(backupMV.x+iDiamondSize,backupMV.y+iDiamondSize,8); |
|
643 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
644 |
|
backupMV.y - iDiamondSize, 5); |
645 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x - iDiamondSize, |
646 |
|
backupMV.y + iDiamondSize, 6); |
647 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
648 |
|
backupMV.y - iDiamondSize, 7); |
649 |
|
CHECK_MV16_CANDIDATE_DIR(backupMV.x + iDiamondSize, |
650 |
|
backupMV.y + iDiamondSize, 8); |
651 |
break; |
break; |
652 |
} |
} |
653 |
} |
} else { |
|
else |
|
|
{ |
|
654 |
currMV->x = startx; |
currMV->x = startx; |
655 |
currMV->y = starty; |
currMV->y = starty; |
656 |
} |
} |
658 |
} |
} |
659 |
|
|
660 |
|
|
661 |
int32_t Full16_MainSearch( |
int32_t |
662 |
const uint8_t * const pRef, |
Full16_MainSearch(const uint8_t * const pRef, |
663 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
664 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
665 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
666 |
const uint8_t * const cur, |
const uint8_t * const cur, |
667 |
const int x, const int y, |
const int x, |
668 |
int32_t startx, int32_t starty, |
const int y, |
669 |
|
int32_t startx, |
670 |
|
int32_t starty, |
671 |
int32_t iMinSAD, |
int32_t iMinSAD, |
672 |
VECTOR * const currMV, |
VECTOR * const currMV, |
673 |
const VECTOR * const pmv, |
const VECTOR * const pmv, |
674 |
const int32_t min_dx, const int32_t max_dx, |
const int32_t min_dx, |
675 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t max_dx, |
676 |
|
const int32_t min_dy, |
677 |
|
const int32_t max_dy, |
678 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
679 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
680 |
const int32_t iFcode, |
const int32_t iFcode, |
684 |
int32_t iSAD; |
int32_t iSAD; |
685 |
int32_t dx,dy; |
int32_t dx,dy; |
686 |
VECTOR backupMV; |
VECTOR backupMV; |
687 |
|
|
688 |
backupMV.x = startx; |
backupMV.x = startx; |
689 |
backupMV.y = starty; |
backupMV.y = starty; |
690 |
|
|
695 |
return iMinSAD; |
return iMinSAD; |
696 |
} |
} |
697 |
|
|
698 |
int32_t Full8_MainSearch( |
int32_t |
699 |
const uint8_t * const pRef, |
AdvDiamond16_MainSearch(const uint8_t * const pRef, |
700 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
701 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
702 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
703 |
const uint8_t * const cur, |
const uint8_t * const cur, |
704 |
const int x, const int y, |
const int x, |
705 |
int32_t startx, int32_t starty, |
const int y, |
706 |
|
int32_t startx, |
707 |
|
int32_t starty, |
708 |
|
int32_t iMinSAD, |
709 |
|
VECTOR * const currMV, |
710 |
|
const VECTOR * const pmv, |
711 |
|
const int32_t min_dx, |
712 |
|
const int32_t max_dx, |
713 |
|
const int32_t min_dy, |
714 |
|
const int32_t max_dy, |
715 |
|
const int32_t iEdgedWidth, |
716 |
|
const int32_t iDiamondSize, |
717 |
|
const int32_t iFcode, |
718 |
|
const int32_t iQuant, |
719 |
|
int iDirection) |
720 |
|
{ |
721 |
|
|
722 |
|
int32_t iSAD; |
723 |
|
|
724 |
|
/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
725 |
|
|
726 |
|
if (iDirection) { |
727 |
|
CHECK_MV16_CANDIDATE(startx - iDiamondSize, starty); |
728 |
|
CHECK_MV16_CANDIDATE(startx + iDiamondSize, starty); |
729 |
|
CHECK_MV16_CANDIDATE(startx, starty - iDiamondSize); |
730 |
|
CHECK_MV16_CANDIDATE(startx, starty + iDiamondSize); |
731 |
|
} else { |
732 |
|
int bDirection = 1 + 2 + 4 + 8; |
733 |
|
|
734 |
|
do { |
735 |
|
iDirection = 0; |
736 |
|
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) |
737 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, starty, 1); |
738 |
|
|
739 |
|
if (bDirection & 2) |
740 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, starty, 2); |
741 |
|
|
742 |
|
if (bDirection & 4) |
743 |
|
CHECK_MV16_CANDIDATE_DIR(startx, starty - iDiamondSize, 4); |
744 |
|
|
745 |
|
if (bDirection & 8) |
746 |
|
CHECK_MV16_CANDIDATE_DIR(startx, starty + iDiamondSize, 8); |
747 |
|
|
748 |
|
/* now we're doing diagonal checks near our candidate */ |
749 |
|
|
750 |
|
if (iDirection) //checking if anything found |
751 |
|
{ |
752 |
|
bDirection = iDirection; |
753 |
|
iDirection = 0; |
754 |
|
startx = currMV->x; |
755 |
|
starty = currMV->y; |
756 |
|
if (bDirection & 3) //our candidate is left or right |
757 |
|
{ |
758 |
|
CHECK_MV16_CANDIDATE_DIR(startx, starty + iDiamondSize, 8); |
759 |
|
CHECK_MV16_CANDIDATE_DIR(startx, starty - iDiamondSize, 4); |
760 |
|
} else // what remains here is up or down |
761 |
|
{ |
762 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, starty, 2); |
763 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, starty, 1); |
764 |
|
} |
765 |
|
|
766 |
|
if (iDirection) { |
767 |
|
bDirection += iDirection; |
768 |
|
startx = currMV->x; |
769 |
|
starty = currMV->y; |
770 |
|
} |
771 |
|
} else //about to quit, eh? not so fast.... |
772 |
|
{ |
773 |
|
switch (bDirection) { |
774 |
|
case 2: |
775 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
776 |
|
starty - iDiamondSize, 2 + 4); |
777 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
778 |
|
starty + iDiamondSize, 2 + 8); |
779 |
|
break; |
780 |
|
case 1: |
781 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
782 |
|
starty - iDiamondSize, 1 + 4); |
783 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
784 |
|
starty + iDiamondSize, 1 + 8); |
785 |
|
break; |
786 |
|
case 2 + 4: |
787 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
788 |
|
starty - iDiamondSize, 1 + 4); |
789 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
790 |
|
starty - iDiamondSize, 2 + 4); |
791 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
792 |
|
starty + iDiamondSize, 2 + 8); |
793 |
|
break; |
794 |
|
case 4: |
795 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
796 |
|
starty - iDiamondSize, 2 + 4); |
797 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
798 |
|
starty - iDiamondSize, 1 + 4); |
799 |
|
break; |
800 |
|
case 8: |
801 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
802 |
|
starty + iDiamondSize, 2 + 8); |
803 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
804 |
|
starty + iDiamondSize, 1 + 8); |
805 |
|
break; |
806 |
|
case 1 + 4: |
807 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
808 |
|
starty + iDiamondSize, 1 + 8); |
809 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
810 |
|
starty - iDiamondSize, 1 + 4); |
811 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
812 |
|
starty - iDiamondSize, 2 + 4); |
813 |
|
break; |
814 |
|
case 2 + 8: |
815 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
816 |
|
starty - iDiamondSize, 1 + 4); |
817 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
818 |
|
starty + iDiamondSize, 1 + 8); |
819 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
820 |
|
starty + iDiamondSize, 2 + 8); |
821 |
|
break; |
822 |
|
case 1 + 8: |
823 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
824 |
|
starty - iDiamondSize, 2 + 4); |
825 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
826 |
|
starty + iDiamondSize, 2 + 8); |
827 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
828 |
|
starty + iDiamondSize, 1 + 8); |
829 |
|
break; |
830 |
|
default: //1+2+4+8 == we didn't find anything at all |
831 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
832 |
|
starty - iDiamondSize, 1 + 4); |
833 |
|
CHECK_MV16_CANDIDATE_DIR(startx - iDiamondSize, |
834 |
|
starty + iDiamondSize, 1 + 8); |
835 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
836 |
|
starty - iDiamondSize, 2 + 4); |
837 |
|
CHECK_MV16_CANDIDATE_DIR(startx + iDiamondSize, |
838 |
|
starty + iDiamondSize, 2 + 8); |
839 |
|
break; |
840 |
|
} |
841 |
|
if (!iDirection) |
842 |
|
break; //ok, the end. really |
843 |
|
else { |
844 |
|
bDirection = iDirection; |
845 |
|
startx = currMV->x; |
846 |
|
starty = currMV->y; |
847 |
|
} |
848 |
|
} |
849 |
|
} |
850 |
|
while (1); //forever |
851 |
|
} |
852 |
|
return iMinSAD; |
853 |
|
} |
854 |
|
|
855 |
|
int32_t |
856 |
|
AdvDiamond8_MainSearch(const uint8_t * const pRef, |
857 |
|
const uint8_t * const pRefH, |
858 |
|
const uint8_t * const pRefV, |
859 |
|
const uint8_t * const pRefHV, |
860 |
|
const uint8_t * const cur, |
861 |
|
const int x, |
862 |
|
const int y, |
863 |
|
int32_t startx, |
864 |
|
int32_t starty, |
865 |
|
int32_t iMinSAD, |
866 |
|
VECTOR * const currMV, |
867 |
|
const VECTOR * const pmv, |
868 |
|
const int32_t min_dx, |
869 |
|
const int32_t max_dx, |
870 |
|
const int32_t min_dy, |
871 |
|
const int32_t max_dy, |
872 |
|
const int32_t iEdgedWidth, |
873 |
|
const int32_t iDiamondSize, |
874 |
|
const int32_t iFcode, |
875 |
|
const int32_t iQuant, |
876 |
|
int iDirection) |
877 |
|
{ |
878 |
|
|
879 |
|
int32_t iSAD; |
880 |
|
|
881 |
|
/* directions: 1 - left (x-1); 2 - right (x+1), 4 - up (y-1); 8 - down (y+1) */ |
882 |
|
|
883 |
|
if (iDirection) { |
884 |
|
CHECK_MV8_CANDIDATE(startx - iDiamondSize, starty); |
885 |
|
CHECK_MV8_CANDIDATE(startx + iDiamondSize, starty); |
886 |
|
CHECK_MV8_CANDIDATE(startx, starty - iDiamondSize); |
887 |
|
CHECK_MV8_CANDIDATE(startx, starty + iDiamondSize); |
888 |
|
} else { |
889 |
|
int bDirection = 1 + 2 + 4 + 8; |
890 |
|
|
891 |
|
do { |
892 |
|
iDirection = 0; |
893 |
|
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) |
894 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, starty, 1); |
895 |
|
|
896 |
|
if (bDirection & 2) |
897 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, starty, 2); |
898 |
|
|
899 |
|
if (bDirection & 4) |
900 |
|
CHECK_MV8_CANDIDATE_DIR(startx, starty - iDiamondSize, 4); |
901 |
|
|
902 |
|
if (bDirection & 8) |
903 |
|
CHECK_MV8_CANDIDATE_DIR(startx, starty + iDiamondSize, 8); |
904 |
|
|
905 |
|
/* now we're doing diagonal checks near our candidate */ |
906 |
|
|
907 |
|
if (iDirection) //checking if anything found |
908 |
|
{ |
909 |
|
bDirection = iDirection; |
910 |
|
iDirection = 0; |
911 |
|
startx = currMV->x; |
912 |
|
starty = currMV->y; |
913 |
|
if (bDirection & 3) //our candidate is left or right |
914 |
|
{ |
915 |
|
CHECK_MV8_CANDIDATE_DIR(startx, starty + iDiamondSize, 8); |
916 |
|
CHECK_MV8_CANDIDATE_DIR(startx, starty - iDiamondSize, 4); |
917 |
|
} else // what remains here is up or down |
918 |
|
{ |
919 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, starty, 2); |
920 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, starty, 1); |
921 |
|
} |
922 |
|
|
923 |
|
if (iDirection) { |
924 |
|
bDirection += iDirection; |
925 |
|
startx = currMV->x; |
926 |
|
starty = currMV->y; |
927 |
|
} |
928 |
|
} else //about to quit, eh? not so fast.... |
929 |
|
{ |
930 |
|
switch (bDirection) { |
931 |
|
case 2: |
932 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
933 |
|
starty - iDiamondSize, 2 + 4); |
934 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
935 |
|
starty + iDiamondSize, 2 + 8); |
936 |
|
break; |
937 |
|
case 1: |
938 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
939 |
|
starty - iDiamondSize, 1 + 4); |
940 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
941 |
|
starty + iDiamondSize, 1 + 8); |
942 |
|
break; |
943 |
|
case 2 + 4: |
944 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
945 |
|
starty - iDiamondSize, 1 + 4); |
946 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
947 |
|
starty - iDiamondSize, 2 + 4); |
948 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
949 |
|
starty + iDiamondSize, 2 + 8); |
950 |
|
break; |
951 |
|
case 4: |
952 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
953 |
|
starty - iDiamondSize, 2 + 4); |
954 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
955 |
|
starty - iDiamondSize, 1 + 4); |
956 |
|
break; |
957 |
|
case 8: |
958 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
959 |
|
starty + iDiamondSize, 2 + 8); |
960 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
961 |
|
starty + iDiamondSize, 1 + 8); |
962 |
|
break; |
963 |
|
case 1 + 4: |
964 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
965 |
|
starty + iDiamondSize, 1 + 8); |
966 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
967 |
|
starty - iDiamondSize, 1 + 4); |
968 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
969 |
|
starty - iDiamondSize, 2 + 4); |
970 |
|
break; |
971 |
|
case 2 + 8: |
972 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
973 |
|
starty - iDiamondSize, 1 + 4); |
974 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
975 |
|
starty + iDiamondSize, 1 + 8); |
976 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
977 |
|
starty + iDiamondSize, 2 + 8); |
978 |
|
break; |
979 |
|
case 1 + 8: |
980 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
981 |
|
starty - iDiamondSize, 2 + 4); |
982 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
983 |
|
starty + iDiamondSize, 2 + 8); |
984 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
985 |
|
starty + iDiamondSize, 1 + 8); |
986 |
|
break; |
987 |
|
default: //1+2+4+8 == we didn't find anything at all |
988 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
989 |
|
starty - iDiamondSize, 1 + 4); |
990 |
|
CHECK_MV8_CANDIDATE_DIR(startx - iDiamondSize, |
991 |
|
starty + iDiamondSize, 1 + 8); |
992 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
993 |
|
starty - iDiamondSize, 2 + 4); |
994 |
|
CHECK_MV8_CANDIDATE_DIR(startx + iDiamondSize, |
995 |
|
starty + iDiamondSize, 2 + 8); |
996 |
|
break; |
997 |
|
} |
998 |
|
if (!(iDirection)) |
999 |
|
break; //ok, the end. really |
1000 |
|
else { |
1001 |
|
bDirection = iDirection; |
1002 |
|
startx = currMV->x; |
1003 |
|
starty = currMV->y; |
1004 |
|
} |
1005 |
|
} |
1006 |
|
} |
1007 |
|
while (1); //forever |
1008 |
|
} |
1009 |
|
return iMinSAD; |
1010 |
|
} |
1011 |
|
|
1012 |
|
|
1013 |
|
int32_t |
1014 |
|
Full8_MainSearch(const uint8_t * const pRef, |
1015 |
|
const uint8_t * const pRefH, |
1016 |
|
const uint8_t * const pRefV, |
1017 |
|
const uint8_t * const pRefHV, |
1018 |
|
const uint8_t * const cur, |
1019 |
|
const int x, |
1020 |
|
const int y, |
1021 |
|
int32_t startx, |
1022 |
|
int32_t starty, |
1023 |
int32_t iMinSAD, |
int32_t iMinSAD, |
1024 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1025 |
const VECTOR * const pmv, |
const VECTOR * const pmv, |
1026 |
const int32_t min_dx, const int32_t max_dx, |
const int32_t min_dx, |
1027 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t max_dx, |
1028 |
|
const int32_t min_dy, |
1029 |
|
const int32_t max_dy, |
1030 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
1031 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
1032 |
const int32_t iFcode, |
const int32_t iFcode, |
1036 |
int32_t iSAD; |
int32_t iSAD; |
1037 |
int32_t dx,dy; |
int32_t dx,dy; |
1038 |
VECTOR backupMV; |
VECTOR backupMV; |
1039 |
|
|
1040 |
backupMV.x = startx; |
backupMV.x = startx; |
1041 |
backupMV.y = starty; |
backupMV.y = starty; |
1042 |
|
|
1049 |
|
|
1050 |
|
|
1051 |
|
|
1052 |
int32_t Halfpel16_Refine( |
int32_t |
1053 |
const uint8_t * const pRef, |
Halfpel16_Refine(const uint8_t * const pRef, |
1054 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1055 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1056 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1057 |
const uint8_t * const cur, |
const uint8_t * const cur, |
1058 |
const int x, const int y, |
const int x, |
1059 |
|
const int y, |
1060 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1061 |
int32_t iMinSAD, |
int32_t iMinSAD, |
1062 |
const VECTOR * const pmv, |
const VECTOR * const pmv, |
1063 |
const int32_t min_dx, const int32_t max_dx, |
const int32_t min_dx, |
1064 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t max_dx, |
1065 |
|
const int32_t min_dy, |
1066 |
|
const int32_t max_dy, |
1067 |
const int32_t iFcode, |
const int32_t iFcode, |
1068 |
const int32_t iQuant, |
const int32_t iQuant, |
1069 |
const int32_t iEdgedWidth) |
const int32_t iEdgedWidth) |
1088 |
#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
#define PMV_HALFPEL16 (PMV_HALFPELDIAMOND16|PMV_HALFPELREFINE16) |
1089 |
|
|
1090 |
|
|
1091 |
int32_t PMVfastSearch16( |
int32_t |
1092 |
const uint8_t * const pRef, |
PMVfastSearch16(const uint8_t * const pRef, |
1093 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1094 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1095 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1096 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
1097 |
const int x, const int y, |
const int x, |
1098 |
|
const int y, |
1099 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
1100 |
|
const uint32_t iQuant, |
1101 |
|
const uint32_t iFcode, |
1102 |
const MBParam * const pParam, |
const MBParam * const pParam, |
1103 |
MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
1104 |
|
const MACROBLOCK * const prevMBs, |
1105 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1106 |
VECTOR * const currPMV) |
VECTOR * const currPMV) |
1107 |
{ |
{ |
1108 |
const uint32_t iWcount = pParam->mb_width; |
const uint32_t iWcount = pParam->mb_width; |
|
const int32_t iFcode = pParam->fixed_code; |
|
|
const int32_t iQuant = pParam->quant; |
|
1109 |
const int32_t iWidth = pParam->width; |
const int32_t iWidth = pParam->width; |
1110 |
const int32_t iHeight = pParam->height; |
const int32_t iHeight = pParam->height; |
1111 |
const int32_t iEdgedWidth = pParam->edged_width; |
const int32_t iEdgedWidth = pParam->edged_width; |
1127 |
VECTOR pmv[4]; |
VECTOR pmv[4]; |
1128 |
int32_t psad[4]; |
int32_t psad[4]; |
1129 |
|
|
1130 |
MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
MainSearch16FuncPtr MainSearchPtr; |
1131 |
|
|
1132 |
static int32_t threshA,threshB; |
const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; |
1133 |
|
|
1134 |
|
int32_t threshA, threshB; |
1135 |
int32_t bPredEq; |
int32_t bPredEq; |
1136 |
int32_t iMinSAD,iSAD; |
int32_t iMinSAD,iSAD; |
1137 |
|
|
1138 |
/* Get maximum range */ |
/* Get maximum range */ |
1139 |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
1140 |
x, y, 16, iWidth, iHeight, iFcode); |
iFcode); |
1141 |
|
|
1142 |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
1143 |
|
|
1144 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!(MotionFlags & PMV_HALFPEL16)) { |
1145 |
{ min_dx = EVEN(min_dx); |
min_dx = EVEN(min_dx); |
1146 |
max_dx = EVEN(max_dx); |
max_dx = EVEN(max_dx); |
1147 |
min_dy = EVEN(min_dy); |
min_dy = EVEN(min_dy); |
1148 |
max_dy = EVEN(max_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; |
|
1149 |
} |
} |
1150 |
|
|
1151 |
iFound=0; |
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
1152 |
|
bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
1153 |
/* Step 2: Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
// bPredEq = get_pmvdata2(pMBs, iWcount, 0, x, y, 0, pmv, psad); |
|
vector of the median. |
|
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
|
|
*/ |
|
|
|
|
|
if ((bPredEq) && (MVequal(pmv[0],pMB->mvs[0]) ) ) |
|
|
iFound=2; |
|
1154 |
|
|
1155 |
/* Step 3: If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
/* fprintf(stderr,"pmv: %d %d / %d --- %d %d %d %d %d %d - %d %d %d\n", |
1156 |
Otherwise select large Diamond Search. |
pmv[0].x,pmv[0].y,psad[0], |
1157 |
|
pmv[1].x,pmv[1].y,pmv[2].x,pmv[2].y,pmv[3].x,pmv[3].y, |
1158 |
|
psad[1],psad[2],psad[3]); |
1159 |
*/ |
*/ |
1160 |
|
if ((x == 0) && (y == 0)) { |
1161 |
|
threshA = 512; |
1162 |
|
threshB = 1024; |
1163 |
|
} else { |
1164 |
|
threshA = psad[0]; |
1165 |
|
threshB = threshA + 256; |
1166 |
|
if (threshA < 512) |
1167 |
|
threshA = 512; |
1168 |
|
if (threshA > 1024) |
1169 |
|
threshA = 1024; |
1170 |
|
if (threshB > 1792) |
1171 |
|
threshB = 1792; |
1172 |
|
} |
1173 |
|
|
1174 |
if ( (pmv[0].x != 0) || (pmv[0].y != 0) || (threshB<1536) || (bPredEq) ) |
iFound = 0; |
|
iDiamondSize=1; // halfpel! |
|
|
else |
|
|
iDiamondSize=2; // halfpel! |
|
|
|
|
|
if (!(MotionFlags & PMV_HALFPELDIAMOND16) ) |
|
|
iDiamondSize*=2; |
|
1175 |
|
|
1176 |
/* Step 4: Calculate SAD around the Median prediction. |
/* Step 4: Calculate SAD around the Median prediction. |
1177 |
MinSAD=SAD |
MinSAD=SAD |
1180 |
If SAD<=256 goto Step 10. |
If SAD<=256 goto Step 10. |
1181 |
*/ |
*/ |
1182 |
|
|
|
|
|
|
// Prepare for main loop |
|
|
|
|
1183 |
*currMV=pmv[0]; /* current best := prediction */ |
*currMV=pmv[0]; /* current best := prediction */ |
1184 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!(MotionFlags & PMV_HALFPEL16)) { /* This should NOT be necessary! */ |
|
{ /* This should NOT be necessary! */ |
|
1185 |
currMV->x = EVEN(currMV->x); |
currMV->x = EVEN(currMV->x); |
1186 |
currMV->y = EVEN(currMV->y); |
currMV->y = EVEN(currMV->y); |
1187 |
} |
} |
1188 |
|
|
1189 |
if (currMV->x > max_dx) |
if (currMV->x > max_dx) { |
|
{ |
|
1190 |
currMV->x=max_dx; |
currMV->x=max_dx; |
1191 |
} |
} |
1192 |
if (currMV->x < min_dx) |
if (currMV->x < min_dx) { |
|
{ |
|
1193 |
currMV->x=min_dx; |
currMV->x=min_dx; |
1194 |
} |
} |
1195 |
if (currMV->y > max_dy) |
if (currMV->y > max_dy) { |
|
{ |
|
1196 |
currMV->y=max_dy; |
currMV->y=max_dy; |
1197 |
} |
} |
1198 |
if (currMV->y < min_dy) |
if (currMV->y < min_dy) { |
|
{ |
|
1199 |
currMV->y=min_dy; |
currMV->y=min_dy; |
1200 |
} |
} |
1201 |
|
|
1202 |
iMinSAD = sad16( cur, |
iMinSAD = |
1203 |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, iEdgedWidth), |
sad16(cur, |
1204 |
iEdgedWidth, MV_MAX_ERROR); |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, |
1205 |
iMinSAD += calc_delta_16(currMV->x-pmv[0].x, currMV->y-pmv[0].y, (uint8_t)iFcode) * iQuant; |
iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); |
1206 |
|
iMinSAD += |
1207 |
if ( (iMinSAD < 256 ) || ( (MVequal(*currMV,pMB->mvs[0])) && (iMinSAD < pMB->sad16) ) ) |
calc_delta_16(currMV->x - pmv[0].x, currMV->y - pmv[0].y, |
1208 |
{ |
(uint8_t) iFcode, iQuant); |
1209 |
|
|
1210 |
|
if ((iMinSAD < 256) || |
1211 |
|
((MVequal(*currMV, prevMB->mvs[0])) && |
1212 |
|
((uint32_t) iMinSAD < prevMB->sad16))) { |
1213 |
|
if (iMinSAD < 2 * iQuant) // high chances for SKIP-mode |
1214 |
|
{ |
1215 |
|
if (!MVzero(*currMV)) { |
1216 |
|
iMinSAD += MV16_00_BIAS; |
1217 |
|
CHECK_MV16_ZERO; // (0,0) saves space for letterboxed pictures |
1218 |
|
iMinSAD -= MV16_00_BIAS; |
1219 |
|
} |
1220 |
|
} |
1221 |
|
|
1222 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1223 |
goto PMVfast16_Terminate_without_Refine; |
goto PMVfast16_Terminate_without_Refine; |
1225 |
goto PMVfast16_Terminate_with_Refine; |
goto PMVfast16_Terminate_with_Refine; |
1226 |
} |
} |
1227 |
|
|
1228 |
|
|
1229 |
|
/* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
1230 |
|
vector of the median. |
1231 |
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
1232 |
|
*/ |
1233 |
|
|
1234 |
|
if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[0]))) |
1235 |
|
iFound = 2; |
1236 |
|
|
1237 |
|
/* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
1238 |
|
Otherwise select large Diamond Search. |
1239 |
|
*/ |
1240 |
|
|
1241 |
|
if ((!MVzero(pmv[0])) || (threshB < 1536) || (bPredEq)) |
1242 |
|
iDiamondSize = 1; // halfpel! |
1243 |
|
else |
1244 |
|
iDiamondSize = 2; // halfpel! |
1245 |
|
|
1246 |
|
if (!(MotionFlags & PMV_HALFPELDIAMOND16)) |
1247 |
|
iDiamondSize *= 2; |
1248 |
|
|
1249 |
/* |
/* |
1250 |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
1251 |
Also calculate (0,0) but do not subtract offset. |
Also calculate (0,0) but do not subtract offset. |
1252 |
Let MinSAD be the smallest SAD up to this point. |
Let MinSAD be the smallest SAD up to this point. |
1253 |
If MV is (0,0) subtract offset. ******** WHAT'S THIS 'OFFSET' ??? *********** |
If MV is (0,0) subtract offset. |
1254 |
*/ |
*/ |
1255 |
|
|
1256 |
// (0,0) is always possible |
// (0,0) is always possible |
1257 |
|
|
1258 |
|
if (!MVzero(pmv[0])) |
1259 |
CHECK_MV16_ZERO; |
CHECK_MV16_ZERO; |
1260 |
|
|
1261 |
// previous frame MV is always possible |
// previous frame MV is always possible |
1262 |
CHECK_MV16_CANDIDATE(pMB->mvs[0].x,pMB->mvs[0].y); |
|
1263 |
|
if (!MVzero(prevMB->mvs[0])) |
1264 |
|
if (!MVequal(prevMB->mvs[0], pmv[0])) |
1265 |
|
CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); |
1266 |
|
|
1267 |
// left neighbour, if allowed |
// left neighbour, if allowed |
1268 |
if (x != 0) |
|
1269 |
{ |
if (!MVzero(pmv[1])) |
1270 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!MVequal(pmv[1], prevMB->mvs[0])) |
1271 |
{ pmv[1].x = EVEN(pmv[1].x); |
if (!MVequal(pmv[1], pmv[0])) { |
1272 |
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
1273 |
|
pmv[1].x = EVEN(pmv[1].x); |
1274 |
pmv[1].y = EVEN(pmv[1].y); |
pmv[1].y = EVEN(pmv[1].y); |
1275 |
} |
} |
1276 |
|
|
1277 |
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
1278 |
} |
} |
|
|
|
1279 |
// top neighbour, if allowed |
// top neighbour, if allowed |
1280 |
if (y != 0) |
if (!MVzero(pmv[2])) |
1281 |
{ |
if (!MVequal(pmv[2], prevMB->mvs[0])) |
1282 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!MVequal(pmv[2], pmv[0])) |
1283 |
{ pmv[2].x = EVEN(pmv[2].x); |
if (!MVequal(pmv[2], pmv[1])) { |
1284 |
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
1285 |
|
pmv[2].x = EVEN(pmv[2].x); |
1286 |
pmv[2].y = EVEN(pmv[2].y); |
pmv[2].y = EVEN(pmv[2].y); |
1287 |
} |
} |
1288 |
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
1289 |
|
|
1290 |
// top right neighbour, if allowed |
// top right neighbour, if allowed |
1291 |
if (x != (iWcount-1)) |
if (!MVzero(pmv[3])) |
1292 |
{ |
if (!MVequal(pmv[3], prevMB->mvs[0])) |
1293 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!MVequal(pmv[3], pmv[0])) |
1294 |
{ pmv[3].x = EVEN(pmv[3].x); |
if (!MVequal(pmv[3], pmv[1])) |
1295 |
|
if (!MVequal(pmv[3], pmv[2])) { |
1296 |
|
if (!(MotionFlags & PMV_HALFPEL16)) { |
1297 |
|
pmv[3].x = EVEN(pmv[3].x); |
1298 |
pmv[3].y = EVEN(pmv[3].y); |
pmv[3].y = EVEN(pmv[3].y); |
1299 |
} |
} |
1300 |
CHECK_MV16_CANDIDATE(pmv[3].x,pmv[3].y); |
CHECK_MV16_CANDIDATE(pmv[3].x, |
1301 |
|
pmv[3].y); |
1302 |
} |
} |
1303 |
} |
} |
1304 |
|
|
1305 |
|
if ((MVzero(*currMV)) && |
1306 |
|
(!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) |
1307 |
|
iMinSAD -= MV16_00_BIAS; |
1308 |
|
|
1309 |
|
|
1310 |
/* Step 6: If MinSAD <= thresa goto Step 10. |
/* Step 6: If MinSAD <= thresa goto Step 10. |
1311 |
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
1312 |
*/ |
*/ |
1313 |
|
|
1314 |
if ( (iMinSAD <= threshA) || ( MVequal(*currMV,pMB->mvs[0]) && (iMinSAD < pMB->sad16) ) ) |
if ((iMinSAD <= threshA) || |
1315 |
{ |
(MVequal(*currMV, prevMB->mvs[0]) && |
1316 |
|
((uint32_t) iMinSAD < prevMB->sad16))) { |
1317 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1318 |
goto PMVfast16_Terminate_without_Refine; |
goto PMVfast16_Terminate_without_Refine; |
1319 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
1331 |
Refine by using small diamond and goto step 10. |
Refine by using small diamond and goto step 10. |
1332 |
*/ |
*/ |
1333 |
|
|
1334 |
|
if (MotionFlags & PMV_USESQUARES16) |
1335 |
|
MainSearchPtr = Square16_MainSearch; |
1336 |
|
else if (MotionFlags & PMV_ADVANCEDDIAMOND16) |
1337 |
|
MainSearchPtr = AdvDiamond16_MainSearch; |
1338 |
|
else |
1339 |
|
MainSearchPtr = Diamond16_MainSearch; |
1340 |
|
|
1341 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1342 |
|
|
1343 |
|
|
1344 |
|
// fprintf(stderr,"Entering Diamond %d %d (%d):\n",x,y,iMinSAD); |
1345 |
|
|
1346 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1347 |
iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1348 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
1349 |
currMV->x, currMV->y, iMinSAD, &newMV, |
currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, |
1350 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1351 |
|
iQuant, iFound); |
1352 |
|
|
1353 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1354 |
*currMV = newMV; |
*currMV = newMV; |
1355 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1356 |
} |
} |
1357 |
|
|
1358 |
if (MotionFlags & PMV_EXTSEARCH16) |
if (MotionFlags & PMV_EXTSEARCH16) { |
|
{ |
|
1359 |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
1360 |
|
|
1361 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0], backupMV))) { |
1362 |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1363 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
1364 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, pmv, |
1365 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
1366 |
|
iDiamondSize, iFcode, iQuant, iFound); |
1367 |
|
|
1368 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1369 |
*currMV = newMV; |
*currMV = newMV; |
1370 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1371 |
} |
} |
1372 |
} |
} |
1373 |
|
|
1374 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
1375 |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1376 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
1377 |
0, 0, iMinSAD, &newMV, |
iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, |
1378 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1379 |
|
iQuant, iFound); |
1380 |
|
|
1381 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1382 |
*currMV = newMV; |
*currMV = newMV; |
1383 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1384 |
} |
} |
1391 |
|
|
1392 |
PMVfast16_Terminate_with_Refine: |
PMVfast16_Terminate_with_Refine: |
1393 |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
1394 |
iMinSAD = Halfpel16_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = |
1395 |
x, y, |
Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
1396 |
currMV, iMinSAD, |
iMinSAD, pmv, min_dx, max_dx, min_dy, max_dy, |
1397 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
iFcode, iQuant, iEdgedWidth); |
1398 |
|
|
1399 |
|
/*fprintf(stderr,"Chosen for %d %d: %d %d - %d %d\n",x,y,currMV->x,currMV->y,pmv[0].x,pmv[0].y); |
1400 |
|
*/ |
1401 |
PMVfast16_Terminate_without_Refine: |
PMVfast16_Terminate_without_Refine: |
1402 |
currPMV->x = currMV->x - pmv[0].x; |
currPMV->x = currMV->x - pmv[0].x; |
1403 |
currPMV->y = currMV->y - pmv[0].y; |
currPMV->y = currMV->y - pmv[0].y; |
1409 |
|
|
1410 |
|
|
1411 |
|
|
1412 |
int32_t Diamond8_MainSearch( |
int32_t |
1413 |
const uint8_t * const pRef, |
Diamond8_MainSearch(const uint8_t * const pRef, |
1414 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1415 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1416 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1417 |
const uint8_t * const cur, |
const uint8_t * const cur, |
1418 |
const int x, const int y, |
const int x, |
1419 |
int32_t startx, int32_t starty, |
const int y, |
1420 |
|
int32_t startx, |
1421 |
|
int32_t starty, |
1422 |
int32_t iMinSAD, |
int32_t iMinSAD, |
1423 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1424 |
const VECTOR * const pmv, |
const VECTOR * const pmv, |
1425 |
const int32_t min_dx, const int32_t max_dx, |
const int32_t min_dx, |
1426 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t max_dx, |
1427 |
|
const int32_t min_dy, |
1428 |
|
const int32_t max_dy, |
1429 |
const int32_t iEdgedWidth, |
const int32_t iEdgedWidth, |
1430 |
const int32_t iDiamondSize, |
const int32_t iDiamondSize, |
1431 |
const int32_t iFcode, |
const int32_t iFcode, |
1437 |
int32_t iDirection=0; |
int32_t iDirection=0; |
1438 |
int32_t iSAD; |
int32_t iSAD; |
1439 |
VECTOR backupMV; |
VECTOR backupMV; |
1440 |
|
|
1441 |
backupMV.x = startx; |
backupMV.x = startx; |
1442 |
backupMV.y = starty; |
backupMV.y = starty; |
1443 |
|
|
1449 |
CHECK_MV8_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV8_CANDIDATE_DIR(backupMV.x,backupMV.y+iDiamondSize,4); |
1450 |
|
|
1451 |
if (iDirection) |
if (iDirection) |
1452 |
while (!iFound) |
while (!iFound) { |
|
{ |
|
1453 |
iFound = 1; |
iFound = 1; |
1454 |
backupMV=*currMV; // since iDirection!=0, this is well defined! |
backupMV=*currMV; // since iDirection!=0, this is well defined! |
1455 |
|
|
1456 |
if ( iDirection != 2) |
if ( iDirection != 2) |
1457 |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x-iDiamondSize,backupMV.y,1); |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x - iDiamondSize, |
1458 |
|
backupMV.y, 1); |
1459 |
if ( iDirection != 1) |
if ( iDirection != 1) |
1460 |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x+iDiamondSize,backupMV.y,2); |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x + iDiamondSize, |
1461 |
|
backupMV.y, 2); |
1462 |
if ( iDirection != 4) |
if ( iDirection != 4) |
1463 |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x,backupMV.y-iDiamondSize,3); |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
1464 |
|
backupMV.y - iDiamondSize, 3); |
1465 |
if ( iDirection != 3) |
if ( iDirection != 3) |
1466 |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x,backupMV.y+iDiamondSize,4); |
CHECK_MV8_CANDIDATE_FOUND(backupMV.x, |
1467 |
} |
backupMV.y + iDiamondSize, 4); |
1468 |
else |
} else { |
|
{ |
|
1469 |
currMV->x = startx; |
currMV->x = startx; |
1470 |
currMV->y = starty; |
currMV->y = starty; |
1471 |
} |
} |
1472 |
return iMinSAD; |
return iMinSAD; |
1473 |
} |
} |
1474 |
|
|
1475 |
int32_t Halfpel8_Refine( |
int32_t |
1476 |
const uint8_t * const pRef, |
Halfpel8_Refine(const uint8_t * const pRef, |
1477 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1478 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1479 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1480 |
const uint8_t * const cur, |
const uint8_t * const cur, |
1481 |
const int x, const int y, |
const int x, |
1482 |
|
const int y, |
1483 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1484 |
int32_t iMinSAD, |
int32_t iMinSAD, |
1485 |
const VECTOR * const pmv, |
const VECTOR * const pmv, |
1486 |
const int32_t min_dx, const int32_t max_dx, |
const int32_t min_dx, |
1487 |
const int32_t min_dy, const int32_t max_dy, |
const int32_t max_dx, |
1488 |
|
const int32_t min_dy, |
1489 |
|
const int32_t max_dy, |
1490 |
const int32_t iFcode, |
const int32_t iFcode, |
1491 |
const int32_t iQuant, |
const int32_t iQuant, |
1492 |
const int32_t iEdgedWidth) |
const int32_t iEdgedWidth) |
1511 |
|
|
1512 |
#define PMV_HALFPEL8 (PMV_HALFPELDIAMOND8|PMV_HALFPELREFINE8) |
#define PMV_HALFPEL8 (PMV_HALFPELDIAMOND8|PMV_HALFPELREFINE8) |
1513 |
|
|
1514 |
int32_t PMVfastSearch8( |
int32_t |
1515 |
const uint8_t * const pRef, |
PMVfastSearch8(const uint8_t * const pRef, |
1516 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1517 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1518 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1519 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
1520 |
const int x, const int y, |
const int x, |
1521 |
const int start_x, int start_y, |
const int y, |
1522 |
|
const int start_x, |
1523 |
|
const int start_y, |
1524 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
1525 |
|
const uint32_t iQuant, |
1526 |
|
const uint32_t iFcode, |
1527 |
const MBParam * const pParam, |
const MBParam * const pParam, |
1528 |
MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
1529 |
|
const MACROBLOCK * const prevMBs, |
1530 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1531 |
VECTOR * const currPMV) |
VECTOR * const currPMV) |
1532 |
{ |
{ |
1533 |
const uint32_t iWcount = pParam->mb_width; |
const uint32_t iWcount = pParam->mb_width; |
|
|
|
|
const int32_t iFcode = pParam->fixed_code; |
|
|
const int32_t iQuant = pParam->quant; |
|
1534 |
const int32_t iWidth = pParam->width; |
const int32_t iWidth = pParam->width; |
1535 |
const int32_t iHeight = pParam->height; |
const int32_t iHeight = pParam->height; |
1536 |
const int32_t iEdgedWidth = pParam->edged_width; |
const int32_t iEdgedWidth = pParam->edged_width; |
1548 |
int32_t psad[4]; |
int32_t psad[4]; |
1549 |
VECTOR newMV; |
VECTOR newMV; |
1550 |
VECTOR backupMV; |
VECTOR backupMV; |
1551 |
|
VECTOR startMV; |
1552 |
|
|
1553 |
MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
// const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
1554 |
|
const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; |
1555 |
|
|
1556 |
static int32_t threshA,threshB; |
int32_t threshA, threshB; |
1557 |
int32_t iFound,bPredEq; |
int32_t iFound,bPredEq; |
1558 |
int32_t iMinSAD,iSAD; |
int32_t iMinSAD,iSAD; |
1559 |
|
|
1560 |
int32_t iSubBlock = ((y&1)<<1) + (x&1); |
int32_t iSubBlock = (y & 1) + (y & 1) + (x & 1); |
1561 |
|
|
1562 |
/* Get maximum range */ |
MainSearch8FuncPtr MainSearchPtr; |
|
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
|
|
x, y, 8, iWidth, iHeight, iFcode); |
|
1563 |
|
|
1564 |
/* we work with abs. MVs, not relative to prediction, so range is relative to 0,0 */ |
/* Init variables */ |
1565 |
|
startMV.x = start_x; |
1566 |
|
startMV.y = start_y; |
1567 |
|
|
1568 |
if (!(MotionFlags & PMV_HALFPELDIAMOND8 )) |
/* Get maximum range */ |
1569 |
{ min_dx = EVEN(min_dx); |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
1570 |
|
iFcode); |
1571 |
|
|
1572 |
|
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) { |
1573 |
|
min_dx = EVEN(min_dx); |
1574 |
max_dx = EVEN(max_dx); |
max_dx = EVEN(max_dx); |
1575 |
min_dy = EVEN(min_dy); |
min_dy = EVEN(min_dy); |
1576 |
max_dy = EVEN(max_dy); |
max_dy = EVEN(max_dy); |
1577 |
} /* because we might use IF (dx>max_dx) THEN dx=max_dx; */ |
} |
|
|
|
1578 |
|
|
1579 |
|
/* because we might use IF (dx>max_dx) THEN dx=max_dx; */ |
1580 |
bPredEq = get_pmvdata(pMBs, (x>>1), (y>>1), iWcount, iSubBlock, pmv, psad); |
bPredEq = get_pmvdata(pMBs, (x>>1), (y>>1), iWcount, iSubBlock, pmv, psad); |
1581 |
|
// bPredEq = get_pmvdata2(pMBs, iWcount, 0, (x >> 1), (y >> 1), iSubBlock, pmv, psad); |
1582 |
|
|
1583 |
if ((x==0) && (y==0) ) |
if ((x == 0) && (y == 0)) { |
|
{ |
|
1584 |
threshA = 512/4; |
threshA = 512/4; |
1585 |
threshB = 1024/4; |
threshB = 1024/4; |
1586 |
|
|
1587 |
} |
} else { |
|
else |
|
|
{ |
|
1588 |
threshA = psad[0]/4; /* good estimate */ |
threshA = psad[0]/4; /* good estimate */ |
1589 |
threshB = threshA+256/4; |
threshB = threshA+256/4; |
1590 |
if (threshA< 512/4) threshA = 512/4; |
if (threshA < 512 / 4) |
1591 |
if (threshA>1024/4) threshA = 1024/4; |
threshA = 512 / 4; |
1592 |
if (threshB>1792/4) threshB = 1792/4; |
if (threshA > 1024 / 4) |
1593 |
|
threshA = 1024 / 4; |
1594 |
|
if (threshB > 1792 / 4) |
1595 |
|
threshB = 1792 / 4; |
1596 |
} |
} |
1597 |
|
|
1598 |
iFound=0; |
iFound=0; |
1599 |
|
|
|
/* Step 2: 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],pMB->mvs[iSubBlock]) ) ) |
|
|
iFound=2; |
|
|
|
|
|
/* Step 3: If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
|
|
Otherwise select large Diamond Search. |
|
|
*/ |
|
|
|
|
|
if ( (pmv[0].x != 0) || (pmv[0].y != 0) || (threshB<1536/4) || (bPredEq) ) |
|
|
iDiamondSize=1; // 1 halfpel! |
|
|
else |
|
|
iDiamondSize=2; // 2 halfpel = 1 full pixel! |
|
|
|
|
|
if (!(MotionFlags & PMV_HALFPELDIAMOND8) ) |
|
|
iDiamondSize*=2; |
|
|
|
|
1600 |
/* Step 4: Calculate SAD around the Median prediction. |
/* Step 4: Calculate SAD around the Median prediction. |
1601 |
MinSAD=SAD |
MinSAD=SAD |
1602 |
If Motion Vector equal to Previous frame motion vector |
If Motion Vector equal to Previous frame motion vector |
1607 |
|
|
1608 |
// Prepare for main loop |
// Prepare for main loop |
1609 |
|
|
1610 |
currMV->x=start_x; /* start with mv16 */ |
// if (MotionFlags & PMV_USESQUARES8) |
1611 |
currMV->y=start_y; |
// MainSearchPtr = Square8_MainSearch; |
1612 |
|
// else |
1613 |
|
|
1614 |
|
if (MotionFlags & PMV_ADVANCEDDIAMOND8) |
1615 |
|
MainSearchPtr = AdvDiamond8_MainSearch; |
1616 |
|
else |
1617 |
|
MainSearchPtr = Diamond8_MainSearch; |
1618 |
|
|
|
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; |
|
1619 |
|
|
1620 |
if ( (iMinSAD < 256/4 ) || ( (MVequal(*currMV,pMB->mvs[iSubBlock])) && (iMinSAD < pMB->sad8[iSubBlock]) ) ) |
*currMV = startMV; |
1621 |
{ |
|
1622 |
|
iMinSAD = |
1623 |
|
sad8(cur, |
1624 |
|
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, |
1625 |
|
iEdgedWidth), iEdgedWidth); |
1626 |
|
iMinSAD += |
1627 |
|
calc_delta_8(currMV->x - pmv[0].x, currMV->y - pmv[0].y, |
1628 |
|
(uint8_t) iFcode, iQuant); |
1629 |
|
|
1630 |
|
if ((iMinSAD < 256 / 4) || ((MVequal(*currMV, prevMB->mvs[iSubBlock])) |
1631 |
|
&& ((uint32_t) iMinSAD < |
1632 |
|
prevMB->sad8[iSubBlock]))) { |
1633 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1634 |
goto PMVfast8_Terminate_without_Refine; |
goto PMVfast8_Terminate_without_Refine; |
1635 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
1636 |
goto PMVfast8_Terminate_with_Refine; |
goto PMVfast8_Terminate_with_Refine; |
1637 |
} |
} |
1638 |
|
|
1639 |
|
/* Step 2 (lazy eval): Calculate Distance= |MedianMVX| + |MedianMVY| where MedianMV is the motion |
1640 |
|
vector of the median. |
1641 |
|
If PredEq=1 and MVpredicted = Previous Frame MV, set Found=2 |
1642 |
|
*/ |
1643 |
|
|
1644 |
|
if ((bPredEq) && (MVequal(pmv[0], prevMB->mvs[iSubBlock]))) |
1645 |
|
iFound = 2; |
1646 |
|
|
1647 |
|
/* Step 3 (lazy eval): If Distance>0 or thresb<1536 or PredEq=1 Select small Diamond Search. |
1648 |
|
Otherwise select large Diamond Search. |
1649 |
|
*/ |
1650 |
|
|
1651 |
|
if ((!MVzero(pmv[0])) || (threshB < 1536 / 4) || (bPredEq)) |
1652 |
|
iDiamondSize = 1; // 1 halfpel! |
1653 |
|
else |
1654 |
|
iDiamondSize = 2; // 2 halfpel = 1 full pixel! |
1655 |
|
|
1656 |
|
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
1657 |
|
iDiamondSize *= 2; |
1658 |
|
|
1659 |
|
|
1660 |
/* |
/* |
1661 |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
Step 5: Calculate SAD for motion vectors taken from left block, top, top-right, and Previous frame block. |
1662 |
Also calculate (0,0) but do not subtract offset. |
Also calculate (0,0) but do not subtract offset. |
1663 |
Let MinSAD be the smallest SAD up to this point. |
Let MinSAD be the smallest SAD up to this point. |
1664 |
If MV is (0,0) subtract offset. ******** WHAT'S THIS 'OFFSET' ??? *********** |
If MV is (0,0) subtract offset. |
1665 |
*/ |
*/ |
1666 |
|
|
1667 |
// the prediction might be even better than mv16 |
// the median prediction might be even better than mv16 |
1668 |
|
|
1669 |
|
if (!MVequal(pmv[0], startMV)) |
1670 |
CHECK_MV8_CANDIDATE(pmv[0].x,pmv[0].y); |
CHECK_MV8_CANDIDATE(pmv[0].x,pmv[0].y); |
1671 |
|
|
1672 |
// (0,0) is always possible |
// (0,0) if needed |
1673 |
|
if (!MVzero(pmv[0])) |
1674 |
|
if (!MVzero(startMV)) |
1675 |
CHECK_MV8_ZERO; |
CHECK_MV8_ZERO; |
1676 |
|
|
1677 |
// previous frame MV is always possible |
// previous frame MV if needed |
1678 |
CHECK_MV8_CANDIDATE(pMB->mvs[iSubBlock].x,pMB->mvs[iSubBlock].y); |
if (!MVzero(prevMB->mvs[iSubBlock])) |
1679 |
|
if (!MVequal(prevMB->mvs[iSubBlock], startMV)) |
1680 |
|
if (!MVequal(prevMB->mvs[iSubBlock], pmv[0])) |
1681 |
|
CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, |
1682 |
|
prevMB->mvs[iSubBlock].y); |
1683 |
|
|
1684 |
|
if ((iMinSAD <= threshA) || |
1685 |
|
(MVequal(*currMV, prevMB->mvs[iSubBlock]) && |
1686 |
|
((uint32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
1687 |
|
if (MotionFlags & PMV_QUICKSTOP16) |
1688 |
|
goto PMVfast8_Terminate_without_Refine; |
1689 |
|
if (MotionFlags & PMV_EARLYSTOP16) |
1690 |
|
goto PMVfast8_Terminate_with_Refine; |
1691 |
|
} |
1692 |
|
|
1693 |
// left neighbour, if allowed |
// left neighbour, if allowed and needed |
1694 |
if (psad[1] != MV_MAX_ERROR) |
if (!MVzero(pmv[1])) |
1695 |
{ |
if (!MVequal(pmv[1], startMV)) |
1696 |
if (!(MotionFlags & PMV_HALFPEL8 )) |
if (!MVequal(pmv[1], prevMB->mvs[iSubBlock])) |
1697 |
{ pmv[1].x = EVEN(pmv[1].x); |
if (!MVequal(pmv[1], pmv[0])) { |
1698 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
1699 |
|
pmv[1].x = EVEN(pmv[1].x); |
1700 |
pmv[1].y = EVEN(pmv[1].y); |
pmv[1].y = EVEN(pmv[1].y); |
1701 |
} |
} |
1702 |
CHECK_MV8_CANDIDATE(pmv[1].x,pmv[1].y); |
CHECK_MV8_CANDIDATE(pmv[1].x,pmv[1].y); |
1703 |
} |
} |
1704 |
|
// top neighbour, if allowed and needed |
1705 |
// top neighbour, if allowed |
if (!MVzero(pmv[2])) |
1706 |
if (psad[2] != MV_MAX_ERROR) |
if (!MVequal(pmv[2], startMV)) |
1707 |
{ |
if (!MVequal(pmv[2], prevMB->mvs[iSubBlock])) |
1708 |
if (!(MotionFlags & PMV_HALFPEL8 )) |
if (!MVequal(pmv[2], pmv[0])) |
1709 |
{ pmv[2].x = EVEN(pmv[2].x); |
if (!MVequal(pmv[2], pmv[1])) { |
1710 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
1711 |
|
pmv[2].x = EVEN(pmv[2].x); |
1712 |
pmv[2].y = EVEN(pmv[2].y); |
pmv[2].y = EVEN(pmv[2].y); |
1713 |
} |
} |
1714 |
CHECK_MV8_CANDIDATE(pmv[2].x,pmv[2].y); |
CHECK_MV8_CANDIDATE(pmv[2].x,pmv[2].y); |
1715 |
|
|
1716 |
// top right neighbour, if allowed |
// top right neighbour, if allowed and needed |
1717 |
if (psad[3] != MV_MAX_ERROR) |
if (!MVzero(pmv[3])) |
1718 |
{ |
if (!MVequal(pmv[3], startMV)) |
1719 |
if (!(MotionFlags & PMV_HALFPEL8 )) |
if (!MVequal(pmv[3], prevMB->mvs[iSubBlock])) |
1720 |
{ pmv[3].x = EVEN(pmv[3].x); |
if (!MVequal(pmv[3], pmv[0])) |
1721 |
|
if (!MVequal(pmv[3], pmv[1])) |
1722 |
|
if (!MVequal(pmv[3], pmv[2])) { |
1723 |
|
if (! |
1724 |
|
(MotionFlags & |
1725 |
|
PMV_HALFPEL8)) { |
1726 |
|
pmv[3].x = EVEN(pmv[3].x); |
1727 |
pmv[3].y = EVEN(pmv[3].y); |
pmv[3].y = EVEN(pmv[3].y); |
1728 |
} |
} |
1729 |
CHECK_MV8_CANDIDATE(pmv[3].x,pmv[3].y); |
CHECK_MV8_CANDIDATE(pmv[3].x, |
1730 |
|
pmv[3].y); |
1731 |
} |
} |
1732 |
} |
} |
1733 |
|
|
1734 |
|
if ((MVzero(*currMV)) && |
1735 |
|
(!MVzero(pmv[0])) /* && (iMinSAD <= iQuant * 96) */ ) |
1736 |
|
iMinSAD -= MV8_00_BIAS; |
1737 |
|
|
1738 |
|
|
1739 |
/* Step 6: If MinSAD <= thresa goto Step 10. |
/* Step 6: If MinSAD <= thresa goto Step 10. |
1740 |
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
If Motion Vector equal to Previous frame motion vector and MinSAD<PrevFrmSAD goto Step 10. |
1741 |
*/ |
*/ |
1742 |
|
|
1743 |
if ( (iMinSAD <= threshA) || ( MVequal(*currMV,pMB->mvs[iSubBlock]) && (iMinSAD < pMB->sad8[iSubBlock]) ) ) |
if ((iMinSAD <= threshA) || |
1744 |
{ |
(MVequal(*currMV, prevMB->mvs[iSubBlock]) && |
1745 |
|
((uint32_t) iMinSAD < prevMB->sad8[iSubBlock]))) { |
1746 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1747 |
goto PMVfast8_Terminate_without_Refine; |
goto PMVfast8_Terminate_without_Refine; |
1748 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
1762 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
1763 |
|
|
1764 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
1765 |
iSAD = Diamond8_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1766 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
1767 |
currMV->x, currMV->y, iMinSAD, &newMV, |
currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, |
1768 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1769 |
|
iQuant, iFound); |
1770 |
|
|
1771 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1772 |
*currMV = newMV; |
*currMV = newMV; |
1773 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1774 |
} |
} |
1775 |
|
|
1776 |
if (MotionFlags & PMV_EXTSEARCH8) |
if (MotionFlags & PMV_EXTSEARCH8) { |
|
{ |
|
1777 |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended: search (up to) two more times: orignal prediction and (0,0) */ |
1778 |
|
|
1779 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0], backupMV))) { |
1780 |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1781 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
1782 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, pmv, |
1783 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
1784 |
|
iDiamondSize, iFcode, iQuant, iFound); |
1785 |
|
|
1786 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1787 |
*currMV = newMV; |
*currMV = newMV; |
1788 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1789 |
} |
} |
1790 |
} |
} |
1791 |
|
|
1792 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
1793 |
{ iSAD = Diamond16_MainSearch(pRef, pRefH, pRefV, pRefHV, cur, |
iSAD = |
1794 |
x, y, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
1795 |
0, 0, iMinSAD, &newMV, |
iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, |
1796 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, iFound); |
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
1797 |
|
iQuant, iFound); |
1798 |
|
|
1799 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
1800 |
*currMV = newMV; |
*currMV = newMV; |
1801 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
1802 |
} |
} |
1809 |
|
|
1810 |
PMVfast8_Terminate_with_Refine: |
PMVfast8_Terminate_with_Refine: |
1811 |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
1812 |
iMinSAD = Halfpel8_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = |
1813 |
x, y, |
Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
1814 |
currMV, iMinSAD, |
iMinSAD, pmv, min_dx, max_dx, min_dy, max_dy, |
1815 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
iFcode, iQuant, iEdgedWidth); |
1816 |
|
|
1817 |
|
|
1818 |
PMVfast8_Terminate_without_Refine: |
PMVfast8_Terminate_without_Refine: |
1822 |
return iMinSAD; |
return iMinSAD; |
1823 |
} |
} |
1824 |
|
|
1825 |
int32_t EPZSSearch16( |
int32_t |
1826 |
const uint8_t * const pRef, |
EPZSSearch16(const uint8_t * const pRef, |
1827 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
1828 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
1829 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
1830 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
1831 |
const int x, const int y, |
const int x, |
1832 |
|
const int y, |
1833 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
1834 |
|
const uint32_t iQuant, |
1835 |
|
const uint32_t iFcode, |
1836 |
const MBParam * const pParam, |
const MBParam * const pParam, |
1837 |
MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
1838 |
|
const MACROBLOCK * const prevMBs, |
1839 |
VECTOR * const currMV, |
VECTOR * const currMV, |
1840 |
VECTOR * const currPMV) |
VECTOR * const currPMV) |
1841 |
{ |
{ |
1842 |
const uint32_t iWcount = pParam->mb_width; |
const uint32_t iWcount = pParam->mb_width; |
1843 |
const uint32_t iHcount = pParam->mb_height; |
const uint32_t iHcount = pParam->mb_height; |
|
const int32_t iFcode = pParam->fixed_code; |
|
|
const int32_t iQuant = pParam->quant; |
|
1844 |
|
|
1845 |
const int32_t iWidth = pParam->width; |
const int32_t iWidth = pParam->width; |
1846 |
const int32_t iHeight = pParam->height; |
const int32_t iHeight = pParam->height; |
1860 |
int32_t psad[8]; |
int32_t psad[8]; |
1861 |
|
|
1862 |
static MACROBLOCK * oldMBs = NULL; |
static MACROBLOCK * oldMBs = NULL; |
1863 |
MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
|
1864 |
|
// const MACROBLOCK * const pMB = pMBs + x + y * iWcount; |
1865 |
|
const MACROBLOCK *const prevMB = prevMBs + x + y * iWcount; |
1866 |
MACROBLOCK * oldMB = NULL; |
MACROBLOCK * oldMB = NULL; |
1867 |
|
|
1868 |
static int32_t thresh2; |
int32_t thresh2; |
1869 |
int32_t bPredEq; |
int32_t bPredEq; |
1870 |
int32_t iMinSAD,iSAD=9999; |
int32_t iMinSAD,iSAD=9999; |
1871 |
|
|
1872 |
MainSearch16FuncPtr EPZSMainSearchPtr; |
MainSearch16FuncPtr MainSearchPtr; |
1873 |
|
|
1874 |
if (oldMBs == NULL) |
if (oldMBs == NULL) { |
1875 |
{ oldMBs = (MACROBLOCK*) calloc(1,iWcount*iHcount*sizeof(MACROBLOCK)); |
oldMBs = (MACROBLOCK *) calloc(iWcount * iHcount, sizeof(MACROBLOCK)); |
1876 |
fprintf(stderr,"allocated %d bytes for oldMBs\n",iWcount*iHcount*sizeof(MACROBLOCK)); |
// fprintf(stderr,"allocated %d bytes for oldMBs\n",iWcount*iHcount*sizeof(MACROBLOCK)); |
1877 |
} |
} |
1878 |
oldMB = oldMBs + x + y * iWcount; |
oldMB = oldMBs + x + y * iWcount; |
1879 |
|
|
1880 |
/* Get maximum range */ |
/* Get maximum range */ |
1881 |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 16, iWidth, iHeight, |
1882 |
x, y, 16, iWidth, iHeight, iFcode); |
iFcode); |
|
|
|
|
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
|
1883 |
|
|
1884 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
if (!(MotionFlags & PMV_HALFPEL16)) { |
1885 |
{ min_dx = EVEN(min_dx); |
min_dx = EVEN(min_dx); |
1886 |
max_dx = EVEN(max_dx); |
max_dx = EVEN(max_dx); |
1887 |
min_dy = EVEN(min_dy); |
min_dy = EVEN(min_dy); |
1888 |
max_dy = EVEN(max_dy); |
max_dy = EVEN(max_dy); |
1889 |
} /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
} |
1890 |
|
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
1891 |
bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
bPredEq = get_pmvdata(pMBs, x, y, iWcount, 0, pmv, psad); |
1892 |
|
// bPredEq = get_pmvdata2(pMBs, iWcount, 0, x, y, 0, pmv, psad); |
1893 |
|
|
1894 |
/* Step 4: Calculate SAD around the Median prediction. |
/* Step 4: Calculate SAD around the Median prediction. |
1895 |
MinSAD=SAD |
MinSAD=SAD |
1901 |
// Prepare for main loop |
// Prepare for main loop |
1902 |
|
|
1903 |
*currMV=pmv[0]; /* current best := median prediction */ |
*currMV=pmv[0]; /* current best := median prediction */ |
1904 |
if (!(MotionFlags & PMV_HALFPEL16)) |
if (!(MotionFlags & PMV_HALFPEL16)) { |
|
{ |
|
1905 |
currMV->x = EVEN(currMV->x); |
currMV->x = EVEN(currMV->x); |
1906 |
currMV->y = EVEN(currMV->y); |
currMV->y = EVEN(currMV->y); |
1907 |
} |
} |
1917 |
|
|
1918 |
/***************** This is predictor SET A: only median prediction ******************/ |
/***************** This is predictor SET A: only median prediction ******************/ |
1919 |
|
|
1920 |
iMinSAD = sad16( cur, |
iMinSAD = |
1921 |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, iEdgedWidth), |
sad16(cur, |
1922 |
iEdgedWidth, MV_MAX_ERROR); |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 16, currMV, |
1923 |
iMinSAD += calc_delta_16(currMV->x-pmv[0].x, currMV->y-pmv[0].y, (uint8_t)iFcode) * iQuant; |
iEdgedWidth), iEdgedWidth, MV_MAX_ERROR); |
1924 |
|
iMinSAD += |
1925 |
|
calc_delta_16(currMV->x - pmv[0].x, currMV->y - pmv[0].y, |
1926 |
|
(uint8_t) iFcode, iQuant); |
1927 |
|
|
1928 |
// thresh1 is fixed to 256 |
// thresh1 is fixed to 256 |
1929 |
if ( (iMinSAD < 256 ) || ( (MVequal(*currMV,pMB->mvs[0])) && (iMinSAD < pMB->sad16) ) ) |
if ((iMinSAD < 256) || |
1930 |
{ |
((MVequal(*currMV, prevMB->mvs[0])) && |
1931 |
|
((uint32_t) iMinSAD < prevMB->sad16))) { |
1932 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1933 |
goto EPZS16_Terminate_without_Refine; |
goto EPZS16_Terminate_without_Refine; |
1934 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
1938 |
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
1939 |
|
|
1940 |
// previous frame MV |
// previous frame MV |
1941 |
CHECK_MV16_CANDIDATE(pMB->mvs[0].x,pMB->mvs[0].y); |
CHECK_MV16_CANDIDATE(prevMB->mvs[0].x, prevMB->mvs[0].y); |
1942 |
|
|
1943 |
// set threshhold based on Min of Prediction and SAD of collocated block |
// set threshhold based on Min of Prediction and SAD of collocated block |
1944 |
// CHECK_MV16 always uses iSAD for the SAD of last vector to check, so now iSAD is what we want |
// CHECK_MV16 always uses iSAD for the SAD of last vector to check, so now iSAD is what we want |
1945 |
|
|
1946 |
if ((x==0) && (y==0) ) |
if ((x == 0) && (y == 0)) { |
|
{ |
|
1947 |
thresh2 = 512; |
thresh2 = 512; |
1948 |
} |
} else { |
|
else |
|
|
{ |
|
1949 |
/* T_k = 1.2 * MIN(SAD_top,SAD_left,SAD_topleft,SAD_coll) +128; [Tourapis, 2002] */ |
/* T_k = 1.2 * MIN(SAD_top,SAD_left,SAD_topleft,SAD_coll) +128; [Tourapis, 2002] */ |
1950 |
|
|
1951 |
thresh2 = MIN(psad[0],iSAD)*6/5 + 128; |
thresh2 = MIN(psad[0],iSAD)*6/5 + 128; |
1957 |
|
|
1958 |
|
|
1959 |
// left neighbour, if allowed |
// left neighbour, if allowed |
1960 |
if (x != 0) |
if (x != 0) { |
1961 |
{ |
if (!(MotionFlags & PMV_HALFPEL16)) { |
1962 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
pmv[1].x = EVEN(pmv[1].x); |
|
{ pmv[1].x = EVEN(pmv[1].x); |
|
1963 |
pmv[1].y = EVEN(pmv[1].y); |
pmv[1].y = EVEN(pmv[1].y); |
1964 |
} |
} |
1965 |
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
CHECK_MV16_CANDIDATE(pmv[1].x,pmv[1].y); |
1966 |
} |
} |
|
|
|
1967 |
// top neighbour, if allowed |
// top neighbour, if allowed |
1968 |
if (y != 0) |
if (y != 0) { |
1969 |
{ |
if (!(MotionFlags & PMV_HALFPEL16)) { |
1970 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
pmv[2].x = EVEN(pmv[2].x); |
|
{ pmv[2].x = EVEN(pmv[2].x); |
|
1971 |
pmv[2].y = EVEN(pmv[2].y); |
pmv[2].y = EVEN(pmv[2].y); |
1972 |
} |
} |
1973 |
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
CHECK_MV16_CANDIDATE(pmv[2].x,pmv[2].y); |
1974 |
|
|
1975 |
// top right neighbour, if allowed |
// top right neighbour, if allowed |
1976 |
if (x != (iWcount-1)) |
if ((uint32_t) x != (iWcount - 1)) { |
1977 |
{ |
if (!(MotionFlags & PMV_HALFPEL16)) { |
1978 |
if (!(MotionFlags & PMV_HALFPEL16 )) |
pmv[3].x = EVEN(pmv[3].x); |
|
{ pmv[3].x = EVEN(pmv[3].x); |
|
1979 |
pmv[3].y = EVEN(pmv[3].y); |
pmv[3].y = EVEN(pmv[3].y); |
1980 |
} |
} |
1981 |
CHECK_MV16_CANDIDATE(pmv[3].x,pmv[3].y); |
CHECK_MV16_CANDIDATE(pmv[3].x,pmv[3].y); |
1987 |
*/ |
*/ |
1988 |
|
|
1989 |
if ( (iMinSAD <= thresh2) |
if ( (iMinSAD <= thresh2) |
1990 |
|| ( MVequal(*currMV,pMB->mvs[0]) && (iMinSAD <= pMB->sad16) ) ) |
|| (MVequal(*currMV, prevMB->mvs[0]) && |
1991 |
{ |
((uint32_t) iMinSAD <= prevMB->sad16))) { |
1992 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
1993 |
goto EPZS16_Terminate_without_Refine; |
goto EPZS16_Terminate_without_Refine; |
1994 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
1997 |
|
|
1998 |
/***** predictor SET C: acceleration MV (new!), neighbours in prev. frame(new!) ****/ |
/***** predictor SET C: acceleration MV (new!), neighbours in prev. frame(new!) ****/ |
1999 |
|
|
2000 |
backupMV = pMB->mvs[0]; // last MV |
backupMV = prevMB->mvs[0]; // collocated MV |
2001 |
backupMV.x += (pMB->mvs[0].x - oldMB->mvs[0].x ); // acceleration X |
backupMV.x += (prevMB->mvs[0].x - oldMB->mvs[0].x); // acceleration X |
2002 |
backupMV.y += (pMB->mvs[0].y - oldMB->mvs[0].y ); // acceleration Y |
backupMV.y += (prevMB->mvs[0].y - oldMB->mvs[0].y); // acceleration Y |
2003 |
|
|
2004 |
CHECK_MV16_CANDIDATE(backupMV.x,backupMV.y); |
CHECK_MV16_CANDIDATE(backupMV.x,backupMV.y); |
2005 |
|
|
2006 |
// left neighbour |
// left neighbour |
2007 |
if (x != 0) |
if (x != 0) |
2008 |
CHECK_MV16_CANDIDATE((oldMB-1)->mvs[0].x,oldMB->mvs[0].y); |
CHECK_MV16_CANDIDATE((prevMB - 1)->mvs[0].x, (prevMB - 1)->mvs[0].y); |
2009 |
|
|
2010 |
// top neighbour |
// top neighbour |
2011 |
if (y != 0) |
if (y != 0) |
2012 |
CHECK_MV16_CANDIDATE((oldMB-iWcount)->mvs[0].x,oldMB->mvs[0].y); |
CHECK_MV16_CANDIDATE((prevMB - iWcount)->mvs[0].x, |
2013 |
|
(prevMB - iWcount)->mvs[0].y); |
2014 |
|
|
2015 |
// right neighbour, if allowed (this value is not written yet, so take it from pMB->mvs |
// right neighbour, if allowed (this value is not written yet, so take it from pMB->mvs |
2016 |
|
|
2017 |
if (x != iWcount-1) |
if ((uint32_t) x != iWcount - 1) |
2018 |
CHECK_MV16_CANDIDATE((pMB+1)->mvs[0].x,oldMB->mvs[0].y); |
CHECK_MV16_CANDIDATE((prevMB + 1)->mvs[0].x, (prevMB + 1)->mvs[0].y); |
2019 |
|
|
2020 |
// bottom neighbour, dito |
// bottom neighbour, dito |
2021 |
if (y != iHcount-1) |
if ((uint32_t) y != iHcount - 1) |
2022 |
CHECK_MV16_CANDIDATE((pMB+iWcount)->mvs[0].x,oldMB->mvs[0].y); |
CHECK_MV16_CANDIDATE((prevMB + iWcount)->mvs[0].x, |
2023 |
|
(prevMB + iWcount)->mvs[0].y); |
2024 |
|
|
2025 |
/* Terminate if MinSAD <= T_3 (here T_3 = T_2) */ |
/* Terminate if MinSAD <= T_3 (here T_3 = T_2) */ |
2026 |
if (iMinSAD <= thresh2) |
if (iMinSAD <= thresh2) { |
|
{ |
|
2027 |
if (MotionFlags & PMV_QUICKSTOP16) |
if (MotionFlags & PMV_QUICKSTOP16) |
2028 |
goto EPZS16_Terminate_without_Refine; |
goto EPZS16_Terminate_without_Refine; |
2029 |
if (MotionFlags & PMV_EARLYSTOP16) |
if (MotionFlags & PMV_EARLYSTOP16) |
2034 |
|
|
2035 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2036 |
|
|
2037 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
if (MotionFlags & PMV_USESQUARES8) |
2038 |
|
MainSearchPtr = Square16_MainSearch; |
2039 |
if (MotionFlags & PMV_USESQUARES16) |
else |
2040 |
EPZSMainSearchPtr = Square16_MainSearch; |
if (MotionFlags & PMV_ADVANCEDDIAMOND8) |
2041 |
|
MainSearchPtr = AdvDiamond16_MainSearch; |
2042 |
else |
else |
2043 |
EPZSMainSearchPtr = Diamond16_MainSearch; |
MainSearchPtr = Diamond16_MainSearch; |
2044 |
|
|
2045 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
|
x, y, |
|
|
currMV->x, currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
|
|
2, iFcode, iQuant, 0); |
|
2046 |
|
|
2047 |
if (iSAD < iMinSAD) |
iSAD = |
2048 |
{ |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
2049 |
|
currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, |
2050 |
|
min_dy, max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
2051 |
|
|
2052 |
|
if (iSAD < iMinSAD) { |
2053 |
*currMV = newMV; |
*currMV = newMV; |
2054 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2055 |
} |
} |
2056 |
|
|
2057 |
|
|
2058 |
if (MotionFlags & PMV_EXTSEARCH16) |
if (MotionFlags & PMV_EXTSEARCH16) { |
|
{ |
|
2059 |
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
2060 |
|
|
2061 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0], backupMV))) { |
2062 |
{ |
iSAD = |
2063 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
2064 |
x, y, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, pmv, |
2065 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2066 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
2, iFcode, iQuant, 0); |
2067 |
} |
} |
2068 |
|
|
2069 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2070 |
*currMV = newMV; |
*currMV = newMV; |
2071 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2072 |
} |
} |
2073 |
|
|
2074 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
2075 |
{ |
iSAD = |
2076 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
2077 |
x, y, |
iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, |
2078 |
0, 0, iMinSAD, &newMV, |
max_dy, iEdgedWidth, 2, iFcode, iQuant, 0); |
|
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, /*iDiamondSize*/ 2, iFcode, iQuant, 0); |
|
2079 |
|
|
2080 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2081 |
*currMV = newMV; |
*currMV = newMV; |
2082 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2083 |
} |
} |
2088 |
|
|
2089 |
EPZS16_Terminate_with_Refine: |
EPZS16_Terminate_with_Refine: |
2090 |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE16) // perform final half-pel step |
2091 |
iMinSAD = Halfpel16_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = |
2092 |
x, y, |
Halfpel16_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
2093 |
currMV, iMinSAD, |
iMinSAD, pmv, min_dx, max_dx, min_dy, max_dy, |
2094 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
iFcode, iQuant, iEdgedWidth); |
2095 |
|
|
2096 |
EPZS16_Terminate_without_Refine: |
EPZS16_Terminate_without_Refine: |
2097 |
|
|
2098 |
*oldMB = *pMB; |
*oldMB = *prevMB; |
2099 |
|
|
2100 |
currPMV->x = currMV->x - pmv[0].x; |
currPMV->x = currMV->x - pmv[0].x; |
2101 |
currPMV->y = currMV->y - pmv[0].y; |
currPMV->y = currMV->y - pmv[0].y; |
2103 |
} |
} |
2104 |
|
|
2105 |
|
|
2106 |
int32_t EPZSSearch8( |
int32_t |
2107 |
const uint8_t * const pRef, |
EPZSSearch8(const uint8_t * const pRef, |
2108 |
const uint8_t * const pRefH, |
const uint8_t * const pRefH, |
2109 |
const uint8_t * const pRefV, |
const uint8_t * const pRefV, |
2110 |
const uint8_t * const pRefHV, |
const uint8_t * const pRefHV, |
2111 |
const IMAGE * const pCur, |
const IMAGE * const pCur, |
2112 |
const int x, const int y, |
const int x, |
2113 |
const int start_x, const int start_y, |
const int y, |
2114 |
|
const int start_x, |
2115 |
|
const int start_y, |
2116 |
const uint32_t MotionFlags, |
const uint32_t MotionFlags, |
2117 |
|
const uint32_t iQuant, |
2118 |
|
const uint32_t iFcode, |
2119 |
const MBParam * const pParam, |
const MBParam * const pParam, |
2120 |
MACROBLOCK * const pMBs, |
const MACROBLOCK * const pMBs, |
2121 |
|
const MACROBLOCK * const prevMBs, |
2122 |
VECTOR * const currMV, |
VECTOR * const currMV, |
2123 |
VECTOR * const currPMV) |
VECTOR * const currPMV) |
2124 |
{ |
{ |
2125 |
const uint32_t iWcount = pParam->mb_width; |
/* Please not that EPZS might not be a good choice for 8x8-block motion search ! */ |
|
const int32_t iFcode = pParam->fixed_code; |
|
|
const int32_t iQuant = pParam->quant; |
|
2126 |
|
|
2127 |
|
const uint32_t iWcount = pParam->mb_width; |
2128 |
const int32_t iWidth = pParam->width; |
const int32_t iWidth = pParam->width; |
2129 |
const int32_t iHeight = pParam->height; |
const int32_t iHeight = pParam->height; |
2130 |
const int32_t iEdgedWidth = pParam->edged_width; |
const int32_t iEdgedWidth = pParam->edged_width; |
2146 |
|
|
2147 |
const int32_t iSubBlock = ((y&1)<<1) + (x&1); |
const int32_t iSubBlock = ((y&1)<<1) + (x&1); |
2148 |
|
|
2149 |
MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
// const MACROBLOCK * const pMB = pMBs + (x>>1) + (y>>1) * iWcount; |
2150 |
|
const MACROBLOCK *const prevMB = prevMBs + (x >> 1) + (y >> 1) * iWcount; |
2151 |
|
|
2152 |
int32_t bPredEq; |
int32_t bPredEq; |
2153 |
int32_t iMinSAD,iSAD=9999; |
int32_t iMinSAD,iSAD=9999; |
2154 |
|
|
2155 |
MainSearch8FuncPtr EPZSMainSearchPtr; |
MainSearch8FuncPtr MainSearchPtr; |
2156 |
|
|
2157 |
/* Get maximum range */ |
/* Get maximum range */ |
2158 |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, |
get_range(&min_dx, &max_dx, &min_dy, &max_dy, x, y, 8, iWidth, iHeight, |
2159 |
x, y, 8, iWidth, iHeight, iFcode); |
iFcode); |
2160 |
|
|
2161 |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
/* we work with abs. MVs, not relative to prediction, so get_range is called relative to 0,0 */ |
2162 |
|
|
2163 |
if (!(MotionFlags & PMV_HALFPEL8 )) |
if (!(MotionFlags & PMV_HALFPEL8)) { |
2164 |
{ min_dx = EVEN(min_dx); |
min_dx = EVEN(min_dx); |
2165 |
max_dx = EVEN(max_dx); |
max_dx = EVEN(max_dx); |
2166 |
min_dy = EVEN(min_dy); |
min_dy = EVEN(min_dy); |
2167 |
max_dy = EVEN(max_dy); |
max_dy = EVEN(max_dy); |
2168 |
} /* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
} |
2169 |
|
/* because we might use something like IF (dx>max_dx) THEN dx=max_dx; */ |
2170 |
bPredEq = get_pmvdata(pMBs, x>>1, y>>1, iWcount, iSubBlock, pmv, psad); |
bPredEq = get_pmvdata(pMBs, x>>1, y>>1, iWcount, iSubBlock, pmv, psad); |
2171 |
|
// bPredEq = get_pmvdata2(pMBs, iWcount, 0, x >> 1, y >> 1, iSubBlock, pmv, psad); |
2172 |
|
|
2173 |
|
|
2174 |
/* Step 4: Calculate SAD around the Median prediction. |
/* Step 4: Calculate SAD around the Median prediction. |
2181 |
// Prepare for main loop |
// Prepare for main loop |
2182 |
|
|
2183 |
|
|
2184 |
if (!(MotionFlags & PMV_HALFPEL8)) |
if (!(MotionFlags & PMV_HALFPEL8)) { |
|
{ |
|
2185 |
currMV->x = EVEN(currMV->x); |
currMV->x = EVEN(currMV->x); |
2186 |
currMV->y = EVEN(currMV->y); |
currMV->y = EVEN(currMV->y); |
2187 |
} |
} |
2198 |
/***************** This is predictor SET A: only median prediction ******************/ |
/***************** This is predictor SET A: only median prediction ******************/ |
2199 |
|
|
2200 |
|
|
2201 |
iMinSAD = sad8( cur, |
iMinSAD = |
2202 |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, iEdgedWidth), |
sad8(cur, |
2203 |
iEdgedWidth); |
get_ref_mv(pRef, pRefH, pRefV, pRefHV, x, y, 8, currMV, |
2204 |
iMinSAD += calc_delta_8(currMV->x-pmv[0].x, currMV->y-pmv[0].y, (uint8_t)iFcode) * iQuant; |
iEdgedWidth), iEdgedWidth); |
2205 |
|
iMinSAD += |
2206 |
|
calc_delta_8(currMV->x - pmv[0].x, currMV->y - pmv[0].y, |
2207 |
|
(uint8_t) iFcode, iQuant); |
2208 |
|
|
2209 |
|
|
2210 |
// thresh1 is fixed to 256 |
// thresh1 is fixed to 256 |
2211 |
if (iMinSAD < 256/4 ) |
if (iMinSAD < 256 / 4) { |
|
{ |
|
2212 |
if (MotionFlags & PMV_QUICKSTOP8) |
if (MotionFlags & PMV_QUICKSTOP8) |
2213 |
goto EPZS8_Terminate_without_Refine; |
goto EPZS8_Terminate_without_Refine; |
2214 |
if (MotionFlags & PMV_EARLYSTOP8) |
if (MotionFlags & PMV_EARLYSTOP8) |
2217 |
|
|
2218 |
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
/************** This is predictor SET B: (0,0), prev.frame MV, neighbours **************/ |
2219 |
|
|
|
// previous frame MV |
|
|
CHECK_MV8_CANDIDATE(pMB->mvs[0].x,pMB->mvs[0].y); |
|
2220 |
|
|
2221 |
// MV=(0,0) is often a good choice |
// MV=(0,0) is often a good choice |
|
|
|
2222 |
CHECK_MV8_ZERO; |
CHECK_MV8_ZERO; |
2223 |
|
|
2224 |
|
// previous frame MV |
2225 |
|
CHECK_MV8_CANDIDATE(prevMB->mvs[iSubBlock].x, prevMB->mvs[iSubBlock].y); |
2226 |
|
|
2227 |
|
// left neighbour, if allowed |
2228 |
|
if (psad[1] != MV_MAX_ERROR) { |
2229 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2230 |
|
pmv[1].x = EVEN(pmv[1].x); |
2231 |
|
pmv[1].y = EVEN(pmv[1].y); |
2232 |
|
} |
2233 |
|
CHECK_MV8_CANDIDATE(pmv[1].x, pmv[1].y); |
2234 |
|
} |
2235 |
|
// top neighbour, if allowed |
2236 |
|
if (psad[2] != MV_MAX_ERROR) { |
2237 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2238 |
|
pmv[2].x = EVEN(pmv[2].x); |
2239 |
|
pmv[2].y = EVEN(pmv[2].y); |
2240 |
|
} |
2241 |
|
CHECK_MV8_CANDIDATE(pmv[2].x, pmv[2].y); |
2242 |
|
|
2243 |
|
// top right neighbour, if allowed |
2244 |
|
if (psad[3] != MV_MAX_ERROR) { |
2245 |
|
if (!(MotionFlags & PMV_HALFPEL8)) { |
2246 |
|
pmv[3].x = EVEN(pmv[3].x); |
2247 |
|
pmv[3].y = EVEN(pmv[3].y); |
2248 |
|
} |
2249 |
|
CHECK_MV8_CANDIDATE(pmv[3].x, pmv[3].y); |
2250 |
|
} |
2251 |
|
} |
2252 |
|
|
2253 |
|
/* // this bias is zero anyway, at the moment! |
2254 |
|
|
2255 |
|
if ( (MVzero(*currMV)) && (!MVzero(pmv[0])) ) // && (iMinSAD <= iQuant * 96) |
2256 |
|
iMinSAD -= MV8_00_BIAS; |
2257 |
|
|
2258 |
|
*/ |
2259 |
|
|
2260 |
/* Terminate if MinSAD <= T_2 |
/* Terminate if MinSAD <= T_2 |
2261 |
Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] |
Terminate if MV[t] == MV[t-1] and MinSAD[t] <= MinSAD[t-1] |
2262 |
*/ |
*/ |
2263 |
|
|
2264 |
if (iMinSAD < 512/4) /* T_2 == 512/4 hardcoded */ |
if (iMinSAD < 512 / 4) { /* T_2 == 512/4 hardcoded */ |
|
{ |
|
2265 |
if (MotionFlags & PMV_QUICKSTOP8) |
if (MotionFlags & PMV_QUICKSTOP8) |
2266 |
goto EPZS8_Terminate_without_Refine; |
goto EPZS8_Terminate_without_Refine; |
2267 |
if (MotionFlags & PMV_EARLYSTOP8) |
if (MotionFlags & PMV_EARLYSTOP8) |
2268 |
goto EPZS8_Terminate_with_Refine; |
goto EPZS8_Terminate_with_Refine; |
2269 |
} |
} |
2270 |
|
|
2271 |
/************ (if Diamond Search) **************/ |
/************ (Diamond Search) **************/ |
2272 |
|
|
2273 |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
backupMV = *currMV; /* save best prediction, actually only for EXTSEARCH */ |
2274 |
|
|
2275 |
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
if (!(MotionFlags & PMV_HALFPELDIAMOND8)) |
2276 |
iDiamondSize *= 2; |
iDiamondSize *= 2; |
2277 |
|
|
2278 |
/* default: use best prediction as starting point for one call of PMVfast_MainSearch */ |
/* default: use best prediction as starting point for one call of EPZS_MainSearch */ |
2279 |
|
|
2280 |
|
// there is no EPZS^2 for inter4v at the moment |
2281 |
|
|
2282 |
// if (MotionFlags & PMV_USESQUARES8) |
// if (MotionFlags & PMV_USESQUARES8) |
2283 |
// EPZSMainSearchPtr = Square8_MainSearch; |
// MainSearchPtr = Square8_MainSearch; |
2284 |
// else |
// else |
|
EPZSMainSearchPtr = Diamond8_MainSearch; |
|
2285 |
|
|
2286 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
if (MotionFlags & PMV_ADVANCEDDIAMOND8) |
2287 |
x, y, |
MainSearchPtr = AdvDiamond8_MainSearch; |
2288 |
currMV->x, currMV->y, iMinSAD, &newMV, |
else |
2289 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
MainSearchPtr = Diamond8_MainSearch; |
|
iDiamondSize, iFcode, iQuant, 00); |
|
2290 |
|
|
2291 |
|
iSAD = |
2292 |
|
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV->x, |
2293 |
|
currMV->y, iMinSAD, &newMV, pmv, min_dx, max_dx, |
2294 |
|
min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2295 |
|
iQuant, 0); |
2296 |
|
|
2297 |
if (iSAD < iMinSAD) |
|
2298 |
{ |
if (iSAD < iMinSAD) { |
2299 |
*currMV = newMV; |
*currMV = newMV; |
2300 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2301 |
} |
} |
2302 |
|
|
2303 |
if (MotionFlags & PMV_EXTSEARCH8) |
if (MotionFlags & PMV_EXTSEARCH8) { |
|
{ |
|
2304 |
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
/* extended mode: search (up to) two more times: orignal prediction and (0,0) */ |
2305 |
|
|
2306 |
if (!(MVequal(pmv[0],backupMV)) ) |
if (!(MVequal(pmv[0], backupMV))) { |
2307 |
{ |
iSAD = |
2308 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, |
2309 |
x, y, |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, pmv, |
2310 |
pmv[0].x, pmv[0].y, iMinSAD, &newMV, |
min_dx, max_dx, min_dy, max_dy, iEdgedWidth, |
2311 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, 0); |
iDiamondSize, iFcode, iQuant, 0); |
2312 |
|
|
2313 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2314 |
*currMV = newMV; |
*currMV = newMV; |
2315 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2316 |
} |
} |
2317 |
} |
} |
2318 |
|
|
2319 |
if ( (!(MVzero(pmv[0]))) && (!(MVzero(backupMV))) ) |
if ((!(MVzero(pmv[0]))) && (!(MVzero(backupMV)))) { |
2320 |
{ |
iSAD = |
2321 |
iSAD = (*EPZSMainSearchPtr)(pRef, pRefH, pRefV, pRefHV, cur, |
(*MainSearchPtr) (pRef, pRefH, pRefV, pRefHV, cur, x, y, 0, 0, |
2322 |
x, y, |
iMinSAD, &newMV, pmv, min_dx, max_dx, min_dy, |
2323 |
0, 0, iMinSAD, &newMV, |
max_dy, iEdgedWidth, iDiamondSize, iFcode, |
2324 |
pmv, min_dx, max_dx, min_dy, max_dy, iEdgedWidth, iDiamondSize, iFcode, iQuant, 0); |
iQuant, 0); |
2325 |
|
|
2326 |
if (iSAD < iMinSAD) |
if (iSAD < iMinSAD) { |
|
{ |
|
2327 |
*currMV = newMV; |
*currMV = newMV; |
2328 |
iMinSAD = iSAD; |
iMinSAD = iSAD; |
2329 |
} |
} |
2334 |
|
|
2335 |
EPZS8_Terminate_with_Refine: |
EPZS8_Terminate_with_Refine: |
2336 |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
if (MotionFlags & PMV_HALFPELREFINE8) // perform final half-pel step |
2337 |
iMinSAD = Halfpel8_Refine( pRef, pRefH, pRefV, pRefHV, cur, |
iMinSAD = |
2338 |
x, y, |
Halfpel8_Refine(pRef, pRefH, pRefV, pRefHV, cur, x, y, currMV, |
2339 |
currMV, iMinSAD, |
iMinSAD, pmv, min_dx, max_dx, min_dy, max_dy, |
2340 |
pmv, min_dx, max_dx, min_dy, max_dy, iFcode, iQuant, iEdgedWidth); |
iFcode, iQuant, iEdgedWidth); |
2341 |
|
|
2342 |
EPZS8_Terminate_without_Refine: |
EPZS8_Terminate_without_Refine: |
2343 |
|
|
2346 |
return iMinSAD; |
return iMinSAD; |
2347 |
} |
} |
2348 |
|
|
2349 |
|
|
2350 |
|
|
2351 |
|
|
2352 |
|
|
2353 |
|
/* *********************************************************** |
2354 |
|
bvop motion estimation |
2355 |
|
// TODO: need to incorporate prediction here (eg. sad += calc_delta_16) |
2356 |
|
***************************************************************/ |
2357 |
|
|
2358 |
|
|
2359 |
|
void |
2360 |
|
MotionEstimationBVOP(MBParam * const pParam, |
2361 |
|
FRAMEINFO * const frame, |
2362 |
|
// forward (past) reference |
2363 |
|
const MACROBLOCK * const f_mbs, |
2364 |
|
const IMAGE * const f_ref, |
2365 |
|
const IMAGE * const f_refH, |
2366 |
|
const IMAGE * const f_refV, |
2367 |
|
const IMAGE * const f_refHV, |
2368 |
|
// backward (future) reference |
2369 |
|
const MACROBLOCK * const b_mbs, |
2370 |
|
const IMAGE * const b_ref, |
2371 |
|
const IMAGE * const b_refH, |
2372 |
|
const IMAGE * const b_refV, |
2373 |
|
const IMAGE * const b_refHV) |
2374 |
|
{ |
2375 |
|
const uint32_t mb_width = pParam->mb_width; |
2376 |
|
const uint32_t mb_height = pParam->mb_height; |
2377 |
|
const int32_t edged_width = pParam->edged_width; |
2378 |
|
|
2379 |
|
uint32_t i, j; |
2380 |
|
|
2381 |
|
int32_t f_sad16; |
2382 |
|
int32_t b_sad16; |
2383 |
|
int32_t i_sad16; |
2384 |
|
int32_t d_sad16; |
2385 |
|
int32_t best_sad; |
2386 |
|
|
2387 |
|
VECTOR pmv_dontcare; |
2388 |
|
|
2389 |
|
// note: i==horizontal, j==vertical |
2390 |
|
for (j = 0; j < mb_height; j++) { |
2391 |
|
for (i = 0; i < mb_width; i++) { |
2392 |
|
MACROBLOCK *mb = &frame->mbs[i + j * mb_width]; |
2393 |
|
const MACROBLOCK *f_mb = &f_mbs[i + j * mb_width]; |
2394 |
|
const MACROBLOCK *b_mb = &b_mbs[i + j * mb_width]; |
2395 |
|
|
2396 |
|
if (b_mb->mode == MODE_INTER && b_mb->cbp == 0 && |
2397 |
|
b_mb->mvs[0].x == 0 && b_mb->mvs[0].y == 0) { |
2398 |
|
mb->mode = MODE_NOT_CODED; |
2399 |
|
mb->mvs[0].x = 0; |
2400 |
|
mb->mvs[0].y = 0; |
2401 |
|
mb->b_mvs[0].x = 0; |
2402 |
|
mb->b_mvs[0].y = 0; |
2403 |
|
continue; |
2404 |
|
} |
2405 |
|
/* force F_SAD16 |
2406 |
|
f_sad16 = 100; |
2407 |
|
b_sad16 = 65535; |
2408 |
|
|
2409 |
|
mb->mode = MODE_FORWARD; |
2410 |
|
mb->mvs[0].x = 1; |
2411 |
|
mb->mvs[0].y = 1; |
2412 |
|
mb->b_mvs[0].x = 1; |
2413 |
|
mb->b_mvs[0].y = 1; |
2414 |
|
continue; |
2415 |
|
^^ force F_SAD16 */ |
2416 |
|
|
2417 |
|
|
2418 |
|
// forward search |
2419 |
|
f_sad16 = |
2420 |
|
SEARCH16(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
2421 |
|
&frame->image, i, j, frame->motion_flags, |
2422 |
|
frame->quant, frame->fcode, pParam, |
2423 |
|
f_mbs, f_mbs, /* todo */ |
2424 |
|
&mb->mvs[0], &pmv_dontcare); // ignore pmv |
2425 |
|
|
2426 |
|
// backward search |
2427 |
|
b_sad16 = SEARCH16(b_ref->y, b_refH->y, b_refV->y, b_refHV->y, |
2428 |
|
&frame->image, i, j, frame->motion_flags, |
2429 |
|
frame->quant, frame->bcode, pParam, |
2430 |
|
b_mbs, b_mbs, /* todo */ |
2431 |
|
&mb->b_mvs[0], &pmv_dontcare); // ignore pmv |
2432 |
|
|
2433 |
|
// interpolate search (simple, but effective) |
2434 |
|
i_sad16 = 65535; |
2435 |
|
|
2436 |
|
/* |
2437 |
|
x/y range somewhat buggy |
2438 |
|
i_sad16 = |
2439 |
|
sad16bi_c(frame->image.y + i * 16 + j * 16 * edged_width, |
2440 |
|
get_ref(f_ref->y, f_refH->y, f_refV->y, f_refHV->y, |
2441 |
|
i, j, 16, mb->mvs[0].x, mb->mvs[0].y, |
2442 |
|
edged_width), get_ref(b_ref->y, b_refH->y, |
2443 |
|
b_refV->y, b_refHV->y, |
2444 |
|
i, j, 16, |
2445 |
|
mb->b_mvs[0].x, |
2446 |
|
mb->b_mvs[0].x, |
2447 |
|
edged_width), |
2448 |
|
edged_width); |
2449 |
|
*/ |
2450 |
|
|
2451 |
|
// TODO: direct search |
2452 |
|
// predictor + range of [-32,32] |
2453 |
|
d_sad16 = 65535; |
2454 |
|
|
2455 |
|
|
2456 |
|
if (f_sad16 < b_sad16) { |
2457 |
|
best_sad = f_sad16; |
2458 |
|
mb->mode = MODE_FORWARD; |
2459 |
|
} else { |
2460 |
|
best_sad = b_sad16; |
2461 |
|
mb->mode = MODE_BACKWARD; |
2462 |
|
} |
2463 |
|
|
2464 |
|
if (i_sad16 < best_sad) { |
2465 |
|
best_sad = i_sad16; |
2466 |
|
mb->mode = MODE_INTERPOLATE; |
2467 |
|
} |
2468 |
|
|
2469 |
|
if (d_sad16 < best_sad) { |
2470 |
|
best_sad = d_sad16; |
2471 |
|
mb->mode = MODE_DIRECT; |
2472 |
|
} |
2473 |
|
|
2474 |
|
} |
2475 |
|
} |
2476 |
|
} |