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* XVID MPEG-4 VIDEO CODEC |
* XVID MPEG-4 VIDEO CODEC |
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* - Global definitions - |
* - Global definitions - |
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* |
* |
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* Copyright(C) 2002 Michael Militzer <isibaar@xvid.org> |
* Copyright(C) 2002-2010 Michael Militzer <michael@xvid.org> |
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* |
* |
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* This program is free software ; you can redistribute it and/or modify |
* 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 |
* it under the terms of the GNU General Public License as published by |
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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 |
* vop coding types |
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* intra, prediction, backward, sprite, not_coded |
* intra, prediction, backward, sprite, not_coded |
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return xvid_type - 1; |
return xvid_type - 1; |
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} |
} |
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typedef struct |
typedef struct |
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{ |
{ |
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int x; |
int x; |
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} |
} |
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VECTOR; |
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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int dxF, dyF, dxG, dyG; |
int dxF, dyF, dxG, dyG; |
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int Fo, Go; |
int Fo, Go; |
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int cFo, cGo; |
int cFo, cGo; |
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} |
} GMC_DATA; |
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GMC_DATA; |
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typedef struct NEW_GMC_DATA NEW_GMC_DATA; |
typedef struct _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 |
/* 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 accuracy; // {0,1,2,3} => {1/2,1/4,1/8,1/16} pel |
int num_wp; |
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/* {0,1,2,3} => {1/2,1/4,1/8,1/16} pel */ |
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int accuracy; |
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int sW, sH; // sprite size * 16 |
/* sprite size * 16 */ |
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int dU[2], dV[2], Uo, Vo, Uco, Vco; // gradient, calculated from warp points |
int sW, sH; |
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void (*predict_16x16)(const NEW_GMC_DATA * const This, |
/* gradient, calculated from warp points */ |
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int dU[2], dV[2], Uo, Vo, Uco, Vco; |
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void (*predict_16x16)(const struct _NEW_GMC_DATA * const This, |
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uint8_t *dst, const uint8_t *src, |
uint8_t *dst, const uint8_t *src, |
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int dststride, int srcstride, int x, int y, int rounding); |
int dststride, int srcstride, int x, int y, int rounding); |
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void (*predict_8x8) (const NEW_GMC_DATA * const This, |
void (*predict_8x8) (const struct _NEW_GMC_DATA * const This, |
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uint8_t *uDst, const uint8_t *uSrc, |
uint8_t *uDst, const uint8_t *uSrc, |
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uint8_t *vDst, const uint8_t *vSrc, |
uint8_t *vDst, const uint8_t *vSrc, |
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int dststride, int srcstride, int x, int y, int rounding); |
int dststride, int srcstride, int x, int y, int rounding); |
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void (*get_average_mv)(NEW_GMC_DATA *Dsp, VECTOR * const mv, |
void (*get_average_mv)(const struct _NEW_GMC_DATA * const Dsp, VECTOR * const mv, |
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int x, int y, int qpel); |
int x, int y, int qpel); |
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}; |
} NEW_GMC_DATA; |
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typedef struct |
typedef struct |
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{ |
{ |
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} |
} |
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IMAGE; |
IMAGE; |
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typedef struct |
typedef struct |
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{ |
{ |
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uint32_t bufa; |
uint32_t bufa; |
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} |
} |
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Bitstream; |
Bitstream; |
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#define MBPRED_SIZE 15 |
#define MBPRED_SIZE 15 |
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typedef struct |
typedef struct |
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{ |
{ |
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/* decoder/encoder */ |
/* decoder/encoder */ |
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/* encoder specific */ |
/* encoder specific */ |
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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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int32_t var16; /* Variance of the 16x16 luma block */ |
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int32_t rel_var8[6]; /* Relative variances of the 8x8 sub-blocks */ |
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int dquant; |
int dquant; |
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int cbp; |
int cbp; |
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/* lambda for these blocks */ |
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int lambda[6]; |
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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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int mb_type; |
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/* |
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* stuff for block based ME (needed for Qpel ME) |
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* backup of last integer ME vectors/sad |
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*/ |
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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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VECTOR mvs_avg; //CK average of field motion vectors |
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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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} |
} |
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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; } |
#define SWAP(_T_,A,B) { _T_ tmp = A; A = B; B = tmp; } |
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static __inline uint32_t |
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isqrt(unsigned long n) |
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{ |
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uint32_t c = 0x8000; |
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uint32_t g = 0x8000; |
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for(;;) { |
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if(g*g > n) |
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g ^= c; |
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c >>= 1; |
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if(c == 0) |
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return g; |
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g |= c; |
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} |
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} |
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#endif /* _GLOBAL_H_ */ |
#endif /* _GLOBAL_H_ */ |