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/***************************************************************************** |
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* |
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* XVID MPEG-4 VIDEO CODEC |
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* - Global structures, constants - |
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* |
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* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* $Id$ |
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* |
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****************************************************************************/ |
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#ifndef _GLOBAL_H_ |
#ifndef _GLOBAL_H_ |
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#define _GLOBAL_H_ |
#define _GLOBAL_H_ |
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#define MODE_INTER4V 2 |
#define MODE_INTER4V 2 |
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#define MODE_INTRA 3 |
#define MODE_INTRA 3 |
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#define MODE_INTRA_Q 4 |
#define MODE_INTRA_Q 4 |
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#define MODE_STUFFING 7 |
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#define MODE_NOT_CODED 16 |
#define MODE_NOT_CODED 16 |
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#define MODE_NOT_CODED_GMC 17 |
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/* --- bframe specific --- */ |
/* --- bframe specific --- */ |
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#define MODE_BACKWARD 2 |
#define MODE_BACKWARD 2 |
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#define MODE_FORWARD 3 |
#define MODE_FORWARD 3 |
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#define MODE_DIRECT_NONE_MV 4 |
#define MODE_DIRECT_NONE_MV 4 |
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#define MODE_DIRECT_NO4V 5 |
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typedef struct |
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{ |
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VECTOR duv[3]; |
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} |
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WARPPOINTS; |
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/* save all warping parameters for GMC once and for all, instead of |
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recalculating for every block. This is needed for encoding&decoding |
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When switching to incremental calculations, this will get much shorter |
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*/ |
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/* we don't include WARPPOINTS wp here, but in FRAMEINFO itself */ |
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typedef struct |
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{ |
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int num_wp; // [input]: 0=none, 1=translation, 2,3 = warping |
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// a value of -1 means: "structure not initialized!" |
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int s; // [input]: calc is done with 1/s pel resolution |
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int W; |
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int H; |
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int ss; |
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int smask; |
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int sigma; |
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int r; |
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int rho; |
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int i0s; |
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int j0s; |
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int i1s; |
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int j1s; |
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int i2s; |
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int j2s; |
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int i1ss; |
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int j1ss; |
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int i2ss; |
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int j2ss; |
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int alpha; |
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int beta; |
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int Ws; |
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int Hs; |
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int dxF, dyF, dxG, dyG; |
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int Fo, Go; |
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int cFo, cGo; |
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} |
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GMC_DATA; |
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typedef struct |
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{ |
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uint8_t *y; |
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uint8_t *u; |
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uint8_t *v; |
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} |
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IMAGE; |
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typedef struct |
typedef struct |
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VECTOR mv16; |
VECTOR mv16; |
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VECTOR pmvs[4]; |
VECTOR pmvs[4]; |
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VECTOR qmvs[4]; // mvs in quarter pixel resolution |
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int32_t sad8[4]; // SAD values for inter4v-VECTORs |
int32_t sad8[4]; // SAD values for inter4v-VECTORs |
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int32_t sad16; // SAD value for inter-VECTOR |
int32_t sad16; // SAD value for inter-VECTOR |
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// bframe stuff |
// bframe stuff |
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VECTOR b_mvs[4]; |
VECTOR b_mvs[4]; |
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VECTOR b_qmvs[4]; |
VECTOR b_pmvs[4]; |
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// VECTOR b_pmvs[1]; |
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// bframe direct mode |
// bframe direct mode |
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// VECTOR directmv[4]; |
VECTOR directmv[4]; |
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// VECTOR deltamv; |
VECTOR deltamv; |
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int mb_type; |
int mb_type; |
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int dbquant; |
int dbquant; |
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// stuff for block based ME (needed for Qpel ME) |
// stuff for block based ME (needed for Qpel ME) |
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// backup of last integer ME vectors/sad |
// backup of last integer ME vectors/sad |
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// VECTOR i_mv16; |
VECTOR i_mv16; |
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VECTOR i_mvs[4]; |
VECTOR i_mvs[4]; |
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int32_t i_sad8[4]; // SAD values for inter4v-VECTORs |
int32_t i_sad8[4]; // SAD values for inter4v-VECTORs |
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// int32_t i_sad16; // SAD value for inter-VECTOR |
int32_t i_sad16; // SAD value for inter-VECTOR |
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VECTOR amv; // average motion vectors from GMC |
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int32_t mcsel; |
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/* This structure has become way to big! What to do? Split it up? */ |
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} |
} |
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MACROBLOCK; |
MACROBLOCK; |
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#define MAX(X, Y) ((X)>(Y)?(X):(Y)) |
#define MAX(X, Y) ((X)>(Y)?(X):(Y)) |
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#define ABS(X) (((X)>0)?(X):-(X)) |
#define ABS(X) (((X)>0)?(X):-(X)) |
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#define SIGN(X) (((X)>0)?1:-1) |
#define SIGN(X) (((X)>0)?1:-1) |
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#define CLIP(X,AMIN,AMAX) (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X)) |
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#define DIV_DIV(a,b) (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b)) |
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#endif /* _GLOBAL_H_ */ |
#endif /* _GLOBAL_H_ */ |