/************************************************************************** * * XVID MPEG-4 VIDEO CODEC * - Motion sad 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.h,v 1.20 2003-02-19 20:12:43 edgomez Exp $ * ***************************************************************************/ #ifndef _MOTION_H_ #define _MOTION_H_ #include "../portab.h" #include "../global.h" // fast ((A)/2)*2 #define EVEN(A) (((A)<0?(A)+1:(A)) & ~1) #define MVzero(A) ( ((A).x)==(0) && ((A).y)==(0) ) #define MVequal(A,B) ( ((A).x)==((B).x) && ((A).y)==((B).y) ) /***************************************************************************** * Modified rounding tables -- defined in motion_est.c * Original tables see ISO spec tables 7-6 -> 7-9 ****************************************************************************/ extern const uint32_t roundtab[16]; /* K = 4 */ extern const uint32_t roundtab_76[16]; /* K = 2 */ extern const uint32_t roundtab_78[8]; /* K = 1 */ extern const uint32_t roundtab_79[4]; /* * getref: calculate reference image pointer * the decision to use interpolation h/v/hv or the normal image is * based on dx & dy. */ static __inline const uint8_t * get_ref(const uint8_t * const refn, const uint8_t * const refh, const uint8_t * const refv, const uint8_t * const refhv, const uint32_t x, const uint32_t y, const uint32_t block, /* block dimension, 8 or 16 */ const int32_t dx, const int32_t dy, const int32_t stride) { switch (((dx & 1) << 1) + (dy & 1)) { /* ((dx%2)?2:0)+((dy%2)?1:0) */ case 0: return refn + (int) ((x * block + dx / 2) + (y * block + dy / 2) * stride); case 1: return refv + (int) ((x * block + dx / 2) + (y * block + (dy - 1) / 2) * stride); case 2: return refh + (int) ((x * block + (dx - 1) / 2) + (y * block + dy / 2) * stride); default: return refhv + (int) ((x * block + (dx - 1) / 2) + (y * block + (dy - 1) / 2) * stride); } } /* This is somehow a copy of get_ref, but with MV instead of X,Y */ static __inline const uint8_t * get_ref_mv(const uint8_t * const refn, const uint8_t * const refh, const uint8_t * const refv, const uint8_t * const refhv, const uint32_t x, const uint32_t y, const uint32_t block, /* block dimension, 8 or 16 */ const VECTOR * mv, /* measured in half-pel! */ const int32_t stride) { switch ((((mv->x) & 1) << 1) + ((mv->y) & 1)) { case 0: return refn + (int) ((x * block + (mv->x) / 2) + (y * block + (mv->y) / 2) * stride); case 1: return refv + (int) ((x * block + (mv->x) / 2) + (y * block + ((mv->y) - 1) / 2) * stride); case 2: return refh + (int) ((x * block + ((mv->x) - 1) / 2) + (y * block + (mv->y) / 2) * stride); default: return refhv + (int) ((x * block + ((mv->x) - 1) / 2) + (y * block + ((mv->y) - 1) / 2) * stride); } } void MotionEstimationBVOP(MBParam * const pParam, FRAMEINFO * const frame, // forward (past) reference const int32_t time_bp, const int32_t time_pp, const MACROBLOCK * const f_mbs, const IMAGE * const f_ref, const IMAGE * const f_refH, const IMAGE * const f_refV, const IMAGE * const f_refHV, // backward (future) reference const FRAMEINFO * const b_reference, const IMAGE * const b_ref, const IMAGE * const b_refH, const IMAGE * const b_refV, const IMAGE * const b_refHV); void MBMotionCompensationBVOP(MBParam * pParam, MACROBLOCK * const mb, const uint32_t i, const uint32_t j, IMAGE * const cur, const IMAGE * const f_ref, const IMAGE * const f_refh, const IMAGE * const f_refv, const IMAGE * const f_refhv, const IMAGE * const b_ref, const IMAGE * const b_refh, const IMAGE * const b_refv, const IMAGE * const b_refhv, int16_t * dct_codes); /* GMC stuff. Maybe better put it into a separate file */ void generate_GMCparameters( const int num_wp, // [input]: number of warppoints const int res, // [input]: resolution const WARPPOINTS *const warp, // [input]: warp points const int width, const int height, // [input]: without edges! GMC_DATA *const gmc); // [output] precalculated parameters void generate_GMCimage( const GMC_DATA *const gmc_data, // [input] precalculated data const IMAGE *const pRef, // [input] const int mb_width, const int mb_height, const int stride, const int stride2, const int fcode, // [input] some parameters... const int32_t quarterpel, // [input] for rounding avgMV const int reduced_resolution, // [input] ignored const int32_t rounding, // [input] for rounding image data MACROBLOCK *const pMBs, // [output] average motion vectors IMAGE *const pGMC); // [output] full warped image VECTOR generate_GMCimageMB( const GMC_DATA *const gmc_data, /* [input] all precalc data */ const IMAGE *const pRef, // [input] const int mi, const int mj, /* [input] MB position */ const int stride, /* [input] Lumi stride */ const int stride2, /* [input] chroma stride */ const int quarterpel, /* [input] for rounding of AvgMV */ const int rounding, IMAGE *const pGMC); /* [outut] generate image */ /* Hinted ME */ void MotionEstimationHinted( MBParam * const pParam, FRAMEINFO * const current, FRAMEINFO * const reference, const IMAGE * const pRefH, const IMAGE * const pRefV, const IMAGE * const pRefHV); int MEanalysis( const IMAGE * const pRef, FRAMEINFO * const Current, MBParam * const pParam, int maxIntra, int intraCount, int bCount); int FindFcode( const MBParam * const pParam, const FRAMEINFO * const current); int d_amv_penalty(int x, int y, const VECTOR pred, const uint32_t iFcode, const int quant); #endif /* _MOTION_H_ */