--- global.h 2003/01/04 06:14:32 1.13.2.7 +++ global.h 2003/04/10 13:05:54 1.21.2.4 @@ -23,6 +23,92 @@ #define MODE_DIRECT_NONE_MV 4 #define MODE_DIRECT_NO4V 5 + +// 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 + 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; @@ -41,6 +127,7 @@ uint32_t *tail; uint32_t *start; uint32_t length; + uint32_t initpos; } Bitstream; @@ -80,30 +167,21 @@ VECTOR b_mvs[4]; VECTOR b_qmvs[4]; -// VECTOR b_pmvs[1]; - - // bframe direct mode - -// 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; - VECTOR i_mvs[4]; - - 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) { @@ -129,10 +207,11 @@ #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_ */