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/***************************************************************************** |
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* |
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* XVID MPEG-4 VIDEO CODEC |
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* - Global definitions - |
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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 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_DIRECT_NONE_MV 4 |
#define MODE_DIRECT_NONE_MV 4 |
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#define MODE_DIRECT_NO4V 5 |
#define MODE_DIRECT_NO4V 5 |
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/* |
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* vop coding types |
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* intra, prediction, backward, sprite, not_coded |
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*/ |
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#define I_VOP 0 |
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#define P_VOP 1 |
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#define B_VOP 2 |
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#define S_VOP 3 |
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#define N_VOP 4 |
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/* convert mpeg-4 coding type i/p/b/s_VOP to XVID_TYPE_xxx */ |
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static __inline int |
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coding2type(int coding_type) |
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{ |
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return coding_type + 1; |
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} |
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/* convert XVID_TYPE_xxx to bitstream coding type i/p/b/s_VOP */ |
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static __inline int |
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type2coding(int xvid_type) |
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{ |
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return xvid_type - 1; |
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} |
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typedef struct |
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{ |
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int x; |
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int y; |
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} |
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VECTOR; |
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typedef struct |
typedef struct |
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{ |
{ |
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VECTOR duv[3]; |
VECTOR duv[3]; |
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typedef struct |
typedef struct |
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{ |
{ |
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int num_wp; // [input]: 0=none, 1=translation, 2,3 = warping |
int num_wp; /* [input]: 0=none, 1=translation, 2,3 = warping */ |
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// a value of -1 means: "structure not initialized!" |
/* a value of -1 means: "structure not initialized!" */ |
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int s; // [input]: calc is done with 1/s pel resolution |
int s; /* [input]: calc is done with 1/s pel resolution */ |
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int W; |
int W; |
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int H; |
int H; |
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} |
} |
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GMC_DATA; |
GMC_DATA; |
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typedef struct NEW_GMC_DATA NEW_GMC_DATA; |
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struct NEW_GMC_DATA |
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{ |
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int num_wp; // 0=none, 1=translation, 2,3 = warping |
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// a value of -1 means: "structure not initialized!" |
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int accuracy; // {0,1,2,3} => {1/2,1/4,1/8,1/16} pel |
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int sW, sH; // sprite size * 16 |
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int dU[2], dV[2], Uo, Vo, Uco, Vco; // gradient, calculated from warp points |
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void (*predict_16x16)(const NEW_GMC_DATA * const This, |
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uint8_t *dst, const uint8_t *src, |
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int dststride, int srcstride, int x, int y, int rounding); |
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void (*predict_8x8) (const NEW_GMC_DATA * const This, |
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uint8_t *uDst, const uint8_t *uSrc, |
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uint8_t *vDst, const uint8_t *vSrc, |
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int dststride, int srcstride, int x, int y, int rounding); |
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void (*get_average_mv)(const NEW_GMC_DATA * const Dsp, VECTOR * const mv, |
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int x, int y, int qpel); |
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}; |
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typedef struct |
typedef struct |
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{ |
{ |
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uint32_t *tail; |
uint32_t *tail; |
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uint32_t *start; |
uint32_t *start; |
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uint32_t length; |
uint32_t length; |
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uint32_t initpos; |
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} |
} |
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Bitstream; |
Bitstream; |
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typedef struct |
typedef struct |
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{ |
{ |
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// decoder/encoder |
/* decoder/encoder */ |
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VECTOR mvs[4]; |
VECTOR mvs[4]; |
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short int pred_values[6][MBPRED_SIZE]; |
short int pred_values[6][MBPRED_SIZE]; |
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int acpred_directions[6]; |
int acpred_directions[6]; |
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int mode; |
int mode; |
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int quant; // absolute quant |
int quant; /* absolute quant */ |
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int field_dct; |
int field_dct; |
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int field_pred; |
int field_pred; |
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int field_for_top; |
int field_for_top; |
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int field_for_bot; |
int field_for_bot; |
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// encoder specific |
/* encoder specific */ |
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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 |
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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int dquant; |
int dquant; |
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int cbp; |
int cbp; |
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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_qmvs[4]; |
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// VECTOR b_pmvs[1]; |
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// bframe direct mode |
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// VECTOR directmv[4]; |
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// VECTOR deltamv; |
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int mb_type; |
int mb_type; |
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int dbquant; |
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// stuff for block based ME (needed for Qpel ME) |
/* |
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// backup of last integer ME vectors/sad |
* stuff for block based ME (needed for Qpel ME) |
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* backup of last integer ME vectors/sad |
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// VECTOR i_mv16; |
*/ |
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VECTOR i_mvs[4]; |
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int32_t i_sad8[4]; // SAD values for inter4v-VECTORs |
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// int32_t i_sad16; // SAD value for inter-VECTOR |
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VECTOR amv; // average motion vectors from GMC |
VECTOR amv; /* average motion vectors from GMC */ |
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int32_t mcsel; |
int32_t mcsel; |
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/* This structure has become way to big! What to do? Split it up? */ |
/* This structure has become way to big! What to do? Split it up? */ |
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return quant - 6; |
return quant - 6; |
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} |
} |
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// useful macros |
/* useful macros */ |
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#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
#define MIN(X, Y) ((X)<(Y)?(X):(Y)) |
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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)) |
#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)) |
#define DIV_DIV(a,b) (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b)) |
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#define SWAP(_T_,A,B) { _T_ tmp = A; A = B; B = tmp; } |
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#endif /* _GLOBAL_H_ */ |
#endif /* _GLOBAL_H_ */ |