/************************************************************************** * * XVID MPEG-4 VIDEO CODEC * - Motion estimation header - * * This program is an implementation of a part of one or more MPEG-4 * Video tools as specified in ISO/IEC 14496-2 standard. Those intending * to use this software module in hardware or software products are * advised that its use may infringe existing patents or copyrights, and * any such use would be at such party's own risk. The original * developer of this software module and his/her company, and subsequent * editors and their companies, will have no liability for use of this * software or modifications or derivatives thereof. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * $Id: motion_est.h,v 1.1.2.6 2002-10-17 13:50:23 syskin Exp $ * ***************************************************************************/ #ifndef _MOTION_EST_H_ #define _MOTION_EST_H_ #include "../portab.h" #include "../global.h" /* hard coded motion search parameters for motion_est and smp_motion_est */ // very large value #define MV_MAX_ERROR (4096 * 256) /* INTER bias for INTER/INTRA decision; mpeg4 spec suggests 2*nb */ #define MV16_INTER_BIAS 512 /* Parameters which control inter/inter4v decision */ #define IMV16X16 2 /* vector map (vlc delta size) smoother parameters ! float !*/ #define NEIGH_TEND_16X16 4.0 #define NEIGH_TEND_8X8 6.0 static const int lambda_vec16[32] = { 0 ,(int)(1.00235 * NEIGH_TEND_16X16 + 0.5), (int)(1.15582*NEIGH_TEND_16X16 + 0.5), (int)(1.31976*NEIGH_TEND_16X16 + 0.5), (int)(1.49591*NEIGH_TEND_16X16 + 0.5), (int)(1.68601*NEIGH_TEND_16X16 + 0.5), (int)(1.89187*NEIGH_TEND_16X16 + 0.5), (int)(2.11542*NEIGH_TEND_16X16 + 0.5), (int)(2.35878*NEIGH_TEND_16X16 + 0.5), (int)(2.62429*NEIGH_TEND_16X16 + 0.5), (int)(2.91455*NEIGH_TEND_16X16 + 0.5), (int)(3.23253*NEIGH_TEND_16X16 + 0.5), (int)(3.58158*NEIGH_TEND_16X16 + 0.5), (int)(3.96555*NEIGH_TEND_16X16 + 0.5), (int)(4.38887*NEIGH_TEND_16X16 + 0.5), (int)(4.85673*NEIGH_TEND_16X16 + 0.5), (int)(5.37519*NEIGH_TEND_16X16 + 0.5), (int)(5.95144*NEIGH_TEND_16X16 + 0.5), (int)(6.59408*NEIGH_TEND_16X16 + 0.5), (int)(7.31349*NEIGH_TEND_16X16 + 0.5), (int)(8.12242*NEIGH_TEND_16X16 + 0.5), (int)(9.03669*NEIGH_TEND_16X16 + 0.5), (int)(10.0763*NEIGH_TEND_16X16 + 0.5), (int)(11.2669*NEIGH_TEND_16X16 + 0.5), (int)(12.6426*NEIGH_TEND_16X16 + 0.5), (int)(14.2493*NEIGH_TEND_16X16 + 0.5), (int)(16.1512*NEIGH_TEND_16X16 + 0.5), (int)(18.442*NEIGH_TEND_16X16 + 0.5), (int)(21.2656*NEIGH_TEND_16X16 + 0.5), (int)(24.8580*NEIGH_TEND_16X16 + 0.5), (int)(29.6436*NEIGH_TEND_16X16 + 0.5), (int)(36.4949*NEIGH_TEND_16X16 + 0.5) }; static const int lambda_vec8[32] = { 0 ,(int)(1.00235 * NEIGH_TEND_8X8 + 0.5), (int)(1.15582 + NEIGH_TEND_8X8 + 0.5), (int)(1.31976*NEIGH_TEND_8X8 + 0.5), (int)(1.49591*NEIGH_TEND_8X8 + 0.5), (int)(1.68601*NEIGH_TEND_8X8 + 0.5), (int)(1.89187*NEIGH_TEND_8X8 + 0.5), (int)(2.11542*NEIGH_TEND_8X8 + 0.5), (int)(2.35878*NEIGH_TEND_8X8 + 0.5), (int)(2.62429*NEIGH_TEND_8X8 + 0.5), (int)(2.91455*NEIGH_TEND_8X8 + 0.5), (int)(3.23253*NEIGH_TEND_8X8 + 0.5), (int)(3.58158*NEIGH_TEND_8X8 + 0.5), (int)(3.96555*NEIGH_TEND_8X8 + 0.5), (int)(4.38887*NEIGH_TEND_8X8 + 0.5), (int)(4.85673*NEIGH_TEND_8X8 + 0.5), (int)(5.37519*NEIGH_TEND_8X8 + 0.5), (int)(5.95144*NEIGH_TEND_8X8 + 0.5), (int)(6.59408*NEIGH_TEND_8X8 + 0.5), (int)(7.31349*NEIGH_TEND_8X8 + 0.5), (int)(8.12242*NEIGH_TEND_8X8 + 0.5), (int)(9.03669*NEIGH_TEND_8X8 + 0.5), (int)(10.0763*NEIGH_TEND_8X8 + 0.5), (int)(11.2669*NEIGH_TEND_8X8 + 0.5), (int)(12.6426*NEIGH_TEND_8X8 + 0.5), (int)(14.2493*NEIGH_TEND_8X8 + 0.5), (int)(16.1512*NEIGH_TEND_8X8 + 0.5), (int)(18.442*NEIGH_TEND_8X8 + 0.5), (int)(21.2656*NEIGH_TEND_8X8 + 0.5), (int)(24.8580*NEIGH_TEND_8X8 + 0.5), (int)(29.6436*NEIGH_TEND_8X8 + 0.5), (int)(36.4949*NEIGH_TEND_8X8 + 0.5) }; // mv.length table static const uint32_t mvtab[33] = { 1, 2, 3, 4, 6, 7, 7, 7, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 12, 12 }; static const int DQtab[4] = { -1, -2, 1, 2 }; typedef struct { // general fields int max_dx, min_dx, max_dy, min_dy; uint32_t rounding; VECTOR predMV; VECTOR predQMV; VECTOR *currentMV; VECTOR *currentQMV; int32_t *iMinSAD; const uint8_t * Ref; const uint8_t * RefH; const uint8_t * RefV; const uint8_t * RefHV; const uint8_t * RefQ; const uint8_t * Cur; uint32_t lambda16; //weights of motion vectors uint32_t lambda8; uint32_t iEdgedWidth; uint32_t iFcode; int * temp; //fields for interpolate and direct mode const uint8_t *bRef; const uint8_t *bRefH; const uint8_t *bRefV; const uint8_t *bRefHV; VECTOR bpredMV; uint32_t bFcode; // fields for direct mode VECTOR directmvF[4]; VECTOR directmvB[4]; const VECTOR * referencemv; } SearchData; typedef void(CheckFunc)(const int x, const int y, const int Direction, int * const dir, const SearchData * const Data); static CheckFunc CheckCandidate16, CheckCandidate16no4v, CheckCandidateInt, CheckCandidateDirect, CheckCandidateDirectno4v, CheckCandidate8; CheckFunc *CheckCandidate; /* * Calculate the min/max range (in halfpixels) * relative to the _MACROBLOCK_ position */ static void __inline get_range(int32_t * const min_dx, int32_t * const max_dx, int32_t * const min_dy, int32_t * const max_dy, const uint32_t x, const uint32_t y, const uint32_t block_sz, /* block dimension, 8 or 16 */ const uint32_t width, const uint32_t height, const uint32_t fcode, const uint32_t quarterpel) { int k; const int search_range = 32 << (fcode - 1 - quarterpel); const int high = search_range - 1; const int low = -search_range; k = 2 * (int)(width - x*block_sz); *max_dx = MIN(high, k); k = 2 * (int)(height - y*block_sz); *max_dy = MIN(high, k); k = -2 * (int)((x+1) * block_sz); *min_dx = MAX(low, k); k = -2 * (int)((y+1) * block_sz); *min_dy = MAX(low, k); } typedef void MainSearchFunc(int x, int y, const SearchData * const Data, int bDirection); static MainSearchFunc DiamondSearch, AdvDiamondSearch, SquareSearch; static void Search8(const SearchData * const OldData, const int x, const int y, const uint32_t MotionFlags, const MBParam * const pParam, MACROBLOCK * const pMB, const MACROBLOCK * const pMBs, const int block, SearchData * const Data); bool MotionEstimation(MBParam * const pParam, FRAMEINFO * const current, FRAMEINFO * const reference, const IMAGE * const pRefH, const IMAGE * const pRefV, const IMAGE * const pRefHV, const uint32_t iLimit); static void SearchP(const uint8_t * const pRef, const uint8_t * const pRefH, const uint8_t * const pRefV, const uint8_t * const pRefHV, const uint8_t * const pRefQ, const IMAGE * const pCur, const int x, const int y, const uint32_t MotionFlags, const uint32_t iQuant, SearchData * const Data, const MBParam * const pParam, const MACROBLOCK * const pMBs, const MACROBLOCK * const prevMBs, int inter4v, MACROBLOCK * const pMB); #ifdef _SMP bool SMP_MotionEstimation(MBParam * const pParam, FRAMEINFO * const current, FRAMEINFO * const reference, const IMAGE * const pRefH, const IMAGE * const pRefV, const IMAGE * const pRefHV, const uint32_t iLimit); #endif #endif /* _MOTION_EST_H_ */