--- global.h 2003/02/21 14:49:28 1.21 +++ global.h 2003/12/08 13:20:59 1.21.2.11 @@ -1,3 +1,28 @@ +/***************************************************************************** + * + * XVID MPEG-4 VIDEO CODEC + * - Global definitions - + * + * Copyright(C) 2002 Michael Militzer + * + * 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: global.h,v 1.21.2.11 2003/12/08 13:20:59 syskin Exp $ + * + ****************************************************************************/ + #ifndef _GLOBAL_H_ #define _GLOBAL_H_ @@ -23,34 +48,69 @@ #define MODE_DIRECT_NONE_MV 4 #define MODE_DIRECT_NO4V 5 -typedef struct + +/* + * vop coding types + * intra, prediction, backward, sprite, not_coded + */ +#define I_VOP 0 +#define P_VOP 1 +#define B_VOP 2 +#define S_VOP 3 +#define N_VOP 4 + +/* convert mpeg-4 coding type i/p/b/s_VOP to XVID_TYPE_xxx */ +static __inline int +coding2type(int coding_type) +{ + return coding_type + 1; +} + +/* convert XVID_TYPE_xxx to bitstream coding type i/p/b/s_VOP */ +static __inline int +type2coding(int xvid_type) +{ + return xvid_type - 1; +} + + +typedef struct +{ + int x; + int y; +} +VECTOR; + + + +typedef struct { VECTOR duv[3]; } WARPPOINTS; -/* save all warping parameters for GMC once and for all, instead of +/* 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 + When switching to incremental calculations, this will get much shorter */ /* we don't include WARPPOINTS wp here, but in FRAMEINFO itself */ -typedef struct +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 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 ss; + int smask; + int sigma; + + int r; + int rho; int i0s; int j0s; @@ -58,23 +118,47 @@ int j1s; int i2s; int j2s; - - int i1ss; - int j1ss; - int i2ss; - int j2ss; + + int i1ss; + int j1ss; + int i2ss; + int j2ss; int alpha; int beta; - int Ws; - int Hs; - - int dxF, dyF, dxG, dyG; + int Ws; + int Hs; + + int dxF, dyF, dxG, dyG; int Fo, Go; int cFo, cGo; -} -GMC_DATA; +} GMC_DATA; +typedef struct _NEW_GMC_DATA +{ + /* 0=none, 1=translation, 2,3 = warping + * a value of -1 means: "structure not initialized!" */ + int num_wp; + + /* {0,1,2,3} => {1/2,1/4,1/8,1/16} pel */ + int accuracy; + + /* sprite size * 16 */ + int sW, sH; + + /* gradient, calculated from warp points */ + int dU[2], dV[2], Uo, Vo, Uco, Vco; + + void (*predict_16x16)(const struct _NEW_GMC_DATA * const This, + uint8_t *dst, const uint8_t *src, + int dststride, int srcstride, int x, int y, int rounding); + void (*predict_8x8) (const struct _NEW_GMC_DATA * const This, + uint8_t *uDst, const uint8_t *uSrc, + uint8_t *vDst, const uint8_t *vSrc, + int dststride, int srcstride, int x, int y, int rounding); + void (*get_average_mv)(const struct _NEW_GMC_DATA * const Dsp, VECTOR * const mv, + int x, int y, int qpel); +} NEW_GMC_DATA; typedef struct { @@ -94,6 +178,7 @@ uint32_t *tail; uint32_t *start; uint32_t length; + uint32_t initpos; } Bitstream; @@ -103,46 +188,40 @@ 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 + 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_qmvs[4]; - int mb_type; - - // stuff for block based ME (needed for Qpel ME) - // backup of last integer ME vectors/sad - - VECTOR amv; // average motion vectors from GMC + VECTOR amv; /* average motion vectors from GMC */ int32_t mcsel; -/* 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? */ } MACROBLOCK; @@ -169,14 +248,15 @@ 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 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)) +#define SWAP(_T_,A,B) { _T_ tmp = A; A = B; B = tmp; } #endif /* _GLOBAL_H_ */