--- global.h 2002/12/15 01:21:12 1.18 +++ global.h 2003/02/15 15:22:17 1.19 @@ -1,59 +1,3 @@ -/***************************************************************************** - * - * XVID MPEG-4 VIDEO CODEC - * - Global structures, constants - - * - * Copyright(C) 2002 Michael Militzer - * - * This file is part of XviD, a free MPEG-4 video encoder/decoder - * - * XviD 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 - * - * Under section 8 of the GNU General Public License, the copyright - * holders of XVID explicitly forbid distribution in the following - * countries: - * - * - Japan - * - United States of America - * - * Linking XviD statically or dynamically with other modules is making a - * combined work based on XviD. Thus, the terms and conditions of the - * GNU General Public License cover the whole combination. - * - * As a special exception, the copyright holders of XviD give you - * permission to link XviD with independent modules that communicate with - * XviD solely through the VFW1.1 and DShow interfaces, regardless of the - * license terms of these independent modules, and to copy and distribute - * the resulting combined work under terms of your choice, provided that - * every copy of the combined work is accompanied by a complete copy of - * the source code of XviD (the version of XviD used to produce the - * combined work), being distributed under the terms of the GNU General - * Public License plus this exception. An independent module is a module - * which is not derived from or based on XviD. - * - * Note that people who make modified versions of XviD are not obligated - * to grant this special exception for their modified versions; it is - * their choice whether to do so. The GNU General Public License gives - * permission to release a modified version without this exception; this - * exception also makes it possible to release a modified version which - * carries forward this exception. - * - * $Id: global.h,v 1.18 2002/12/15 01:21:12 edgomez Exp $ - * - ****************************************************************************/ - #ifndef _GLOBAL_H_ #define _GLOBAL_H_ @@ -67,8 +11,8 @@ #define MODE_INTER4V 2 #define MODE_INTRA 3 #define MODE_INTRA_Q 4 -#define MODE_STUFFING 7 #define MODE_NOT_CODED 16 +#define MODE_NOT_CODED_GMC 17 /* --- bframe specific --- */ @@ -77,6 +21,68 @@ #define MODE_BACKWARD 2 #define MODE_FORWARD 3 #define MODE_DIRECT_NONE_MV 4 +#define MODE_DIRECT_NO4V 5 + +typedef struct +{ + VECTOR duv[3]; +} +WARPPOINTS; + +/* save all warping parameters for GMC once and for all, instead of + recalculating for every block. This is needed for encoding&decoding + When switching to incremental calculations, this will get much shorter +*/ + +/* we don't include WARPPOINTS wp here, but in FRAMEINFO itself */ + +typedef struct +{ + int num_wp; // [input]: 0=none, 1=translation, 2,3 = warping + // a value of -1 means: "structure not initialized!" + int s; // [input]: calc is done with 1/s pel resolution + + int W; + int H; + + int ss; + int smask; + int sigma; + + int r; + int rho; + + int i0s; + int j0s; + int i1s; + int j1s; + int i2s; + int j2s; + + int i1ss; + int j1ss; + int i2ss; + int j2ss; + + int alpha; + int beta; + int Ws; + int Hs; + + int dxF, dyF, dxG, dyG; + int Fo, Go; + int cFo, cGo; +} +GMC_DATA; + + +typedef struct +{ + uint8_t *y; + uint8_t *u; + uint8_t *v; +} +IMAGE; typedef struct @@ -97,57 +103,64 @@ typedef struct { - /* decoder/encoder */ + // decoder/encoder VECTOR mvs[4]; short int pred_values[6][MBPRED_SIZE]; int acpred_directions[6]; int mode; - int quant; /* absolute quant */ + int quant; // absolute quant int field_dct; int field_pred; int field_for_top; int field_for_bot; - /* encoder specific */ + // encoder specific VECTOR mv16; VECTOR pmvs[4]; + VECTOR qmvs[4]; // mvs in quarter pixel resolution - int32_t sad8[4]; /* SAD values for inter4v-VECTORs */ - int32_t sad16; /* SAD value for inter-VECTOR */ + int32_t sad8[4]; // SAD values for inter4v-VECTORs + int32_t sad16; // SAD value for inter-VECTOR int dquant; int cbp; - /* bframe stuff */ + // bframe stuff VECTOR b_mvs[4]; - VECTOR b_pmvs[4]; + VECTOR b_qmvs[4]; +// VECTOR b_pmvs[1]; - /* bframe direct mode */ + // bframe direct mode - VECTOR directmv[4]; - VECTOR deltamv; +// VECTOR directmv[4]; +// VECTOR deltamv; int mb_type; int dbquant; - /* stuff for block based ME (needed for Qpel ME) */ - /* backup of last integer ME vectors/sad */ - - VECTOR i_mv16; + // stuff for block based ME (needed for Qpel ME) + // backup of last integer ME vectors/sad + +// VECTOR i_mv16; VECTOR i_mvs[4]; - int32_t i_sad8[4]; /* SAD values for inter4v-VECTORs */ - int32_t i_sad16; /* SAD value for inter-VECTOR */ + int32_t i_sad8[4]; // SAD values for inter4v-VECTORs +// int32_t i_sad16; // SAD value for inter-VECTOR + + VECTOR amv; // average motion vectors from GMC + int32_t mcsel; + +/* This structure has become way to big! What to do? Split it up? */ } MACROBLOCK; -static __inline int8_t +static __inline uint32_t get_dc_scaler(uint32_t quant, uint32_t lum) { @@ -155,26 +168,28 @@ return 8; if (quant < 25 && !lum) - return (int8_t)((quant + 13) / 2); + return (quant + 13) / 2; if (quant < 9) - return (int8_t)(2 * quant); + return 2 * quant; if (quant < 25) - return (int8_t)(quant + 8); + return quant + 8; if (lum) - return (int8_t)(2 * quant - 16); + return 2 * quant - 16; else - return (int8_t)(quant - 6); + return quant - 6; } -/* useful macros */ +// useful macros #define MIN(X, Y) ((X)<(Y)?(X):(Y)) #define MAX(X, Y) ((X)>(Y)?(X):(Y)) #define ABS(X) (((X)>0)?(X):-(X)) #define SIGN(X) (((X)>0)?1:-1) +#define CLIP(X,AMIN,AMAX) (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X)) +#define DIV_DIV(a,b) (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b)) -#endif /* _GLOBAL_H_ */ +#endif /* _GLOBAL_H_ */