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| 1 : | Isibaar | 3 | #ifndef _GLOBAL_H_ |
| 2 : | #define _GLOBAL_H_ | ||
| 3 : | |||
| 4 : | h | 101 | #include "xvid.h" |
| 5 : | Isibaar | 3 | #include "portab.h" |
| 6 : | |||
| 7 : | suxen_drol | 118 | /* --- macroblock modes --- */ |
| 8 : | Isibaar | 3 | |
| 9 : | #define MODE_INTER 0 | ||
| 10 : | #define MODE_INTER_Q 1 | ||
| 11 : | #define MODE_INTER4V 2 | ||
| 12 : | #define MODE_INTRA 3 | ||
| 13 : | #define MODE_INTRA_Q 4 | ||
| 14 : | #define MODE_NOT_CODED 16 | ||
| 15 : | edgomez | 851 | #define MODE_NOT_CODED_GMC 17 |
| 16 : | Isibaar | 3 | |
| 17 : | suxen_drol | 118 | /* --- bframe specific --- */ |
| 18 : | |||
| 19 : | #define MODE_DIRECT 0 | ||
| 20 : | #define MODE_INTERPOLATE 1 | ||
| 21 : | #define MODE_BACKWARD 2 | ||
| 22 : | #define MODE_FORWARD 3 | ||
| 23 : | chenm001 | 156 | #define MODE_DIRECT_NONE_MV 4 |
| 24 : | edgomez | 851 | #define MODE_DIRECT_NO4V 5 |
| 25 : | suxen_drol | 118 | |
| 26 : | suxen_drol | 890 | |
| 27 : | edgomez | 1053 | /* |
| 28 : | * vop coding types | ||
| 29 : | * intra, prediction, backward, sprite, not_coded | ||
| 30 : | */ | ||
| 31 : | suxen_drol | 890 | #define I_VOP 0 |
| 32 : | #define P_VOP 1 | ||
| 33 : | #define B_VOP 2 | ||
| 34 : | #define S_VOP 3 | ||
| 35 : | #define N_VOP 4 | ||
| 36 : | |||
| 37 : | /* convert mpeg-4 coding type i/p/b/s_VOP to XVID_TYPE_xxx */ | ||
| 38 : | static __inline int | ||
| 39 : | coding2type(int coding_type) | ||
| 40 : | { | ||
| 41 : | return coding_type + 1; | ||
| 42 : | } | ||
| 43 : | |||
| 44 : | /* convert XVID_TYPE_xxx to bitstream coding type i/p/b/s_VOP */ | ||
| 45 : | static __inline int | ||
| 46 : | type2coding(int xvid_type) | ||
| 47 : | { | ||
| 48 : | return xvid_type - 1; | ||
| 49 : | } | ||
| 50 : | |||
| 51 : | |||
| 52 : | typedef struct | ||
| 53 : | { | ||
| 54 : | int x; | ||
| 55 : | int y; | ||
| 56 : | } | ||
| 57 : | VECTOR; | ||
| 58 : | |||
| 59 : | |||
| 60 : | |||
| 61 : | edgomez | 851 | typedef struct |
| 62 : | { | ||
| 63 : | VECTOR duv[3]; | ||
| 64 : | } | ||
| 65 : | WARPPOINTS; | ||
| 66 : | suxen_drol | 118 | |
| 67 : | edgomez | 851 | /* save all warping parameters for GMC once and for all, instead of |
| 68 : | recalculating for every block. This is needed for encoding&decoding | ||
| 69 : | When switching to incremental calculations, this will get much shorter | ||
| 70 : | */ | ||
| 71 : | |||
| 72 : | /* we don't include WARPPOINTS wp here, but in FRAMEINFO itself */ | ||
| 73 : | |||
| 74 : | typedef struct | ||
| 75 : | { | ||
| 76 : | edgomez | 1053 | int num_wp; /* [input]: 0=none, 1=translation, 2,3 = warping */ |
| 77 : | /* a value of -1 means: "structure not initialized!" */ | ||
| 78 : | int s; /* [input]: calc is done with 1/s pel resolution */ | ||
| 79 : | edgomez | 851 | |
| 80 : | int W; | ||
| 81 : | int H; | ||
| 82 : | |||
| 83 : | int ss; | ||
| 84 : | int smask; | ||
| 85 : | int sigma; | ||
| 86 : | |||
| 87 : | int r; | ||
| 88 : | int rho; | ||
| 89 : | |||
| 90 : | int i0s; | ||
| 91 : | int j0s; | ||
| 92 : | int i1s; | ||
| 93 : | int j1s; | ||
| 94 : | int i2s; | ||
| 95 : | int j2s; | ||
| 96 : | |||
| 97 : | int i1ss; | ||
| 98 : | int j1ss; | ||
| 99 : | int i2ss; | ||
| 100 : | int j2ss; | ||
| 101 : | |||
| 102 : | int alpha; | ||
| 103 : | int beta; | ||
| 104 : | int Ws; | ||
| 105 : | int Hs; | ||
| 106 : | |||
| 107 : | int dxF, dyF, dxG, dyG; | ||
| 108 : | int Fo, Go; | ||
| 109 : | int cFo, cGo; | ||
| 110 : | } | ||
| 111 : | GMC_DATA; | ||
| 112 : | |||
| 113 : | |||
| 114 : | Isibaar | 3 | typedef struct |
| 115 : | { | ||
| 116 : | edgomez | 851 | uint8_t *y; |
| 117 : | uint8_t *u; | ||
| 118 : | uint8_t *v; | ||
| 119 : | } | ||
| 120 : | IMAGE; | ||
| 121 : | |||
| 122 : | |||
| 123 : | typedef struct | ||
| 124 : | { | ||
| 125 : | h | 101 | uint32_t bufa; |
| 126 : | uint32_t bufb; | ||
| 127 : | uint32_t buf; | ||
| 128 : | uint32_t pos; | ||
| 129 : | uint32_t *tail; | ||
| 130 : | uint32_t *start; | ||
| 131 : | uint32_t length; | ||
| 132 : | edgomez | 972 | uint32_t initpos; |
| 133 : | edgomez | 195 | } |
| 134 : | h | 101 | Bitstream; |
| 135 : | Isibaar | 3 | |
| 136 : | |||
| 137 : | #define MBPRED_SIZE 15 | ||
| 138 : | |||
| 139 : | |||
| 140 : | typedef struct | ||
| 141 : | { | ||
| 142 : | edgomez | 1053 | /* decoder/encoder */ |
| 143 : | Isibaar | 3 | VECTOR mvs[4]; |
| 144 : | |||
| 145 : | chl | 172 | short int pred_values[6][MBPRED_SIZE]; |
| 146 : | int acpred_directions[6]; | ||
| 147 : | edgomez | 195 | |
| 148 : | Isibaar | 3 | int mode; |
| 149 : | edgomez | 1053 | int quant; /* absolute quant */ |
| 150 : | Isibaar | 3 | |
| 151 : | h | 69 | int field_dct; |
| 152 : | int field_pred; | ||
| 153 : | int field_for_top; | ||
| 154 : | int field_for_bot; | ||
| 155 : | |||
| 156 : | edgomez | 1053 | /* encoder specific */ |
| 157 : | Isibaar | 3 | |
| 158 : | chl | 172 | VECTOR mv16; |
| 159 : | Isibaar | 3 | VECTOR pmvs[4]; |
| 160 : | edgomez | 1053 | VECTOR qmvs[4]; /* mvs in quarter pixel resolution */ |
| 161 : | chl | 172 | |
| 162 : | edgomez | 1053 | int32_t sad8[4]; /* SAD values for inter4v-VECTORs */ |
| 163 : | int32_t sad16; /* SAD value for inter-VECTOR */ | ||
| 164 : | chl | 172 | |
| 165 : | Isibaar | 3 | int dquant; |
| 166 : | int cbp; | ||
| 167 : | |||
| 168 : | edgomez | 1053 | /* bframe stuff */ |
| 169 : | suxen_drol | 118 | |
| 170 : | VECTOR b_mvs[4]; | ||
| 171 : | edgomez | 851 | VECTOR b_qmvs[4]; |
| 172 : | suxen_drol | 118 | |
| 173 : | chenm001 | 156 | int mb_type; |
| 174 : | |||
| 175 : | edgomez | 1053 | /* |
| 176 : | * stuff for block based ME (needed for Qpel ME) | ||
| 177 : | * backup of last integer ME vectors/sad | ||
| 178 : | */ | ||
| 179 : | edgomez | 851 | |
| 180 : | edgomez | 1053 | VECTOR amv; /* average motion vectors from GMC */ |
| 181 : | edgomez | 851 | int32_t mcsel; |
| 182 : | |||
| 183 : | /* This structure has become way to big! What to do? Split it up? */ | ||
| 184 : | |||
| 185 : | edgomez | 195 | } |
| 186 : | MACROBLOCK; | ||
| 187 : | Isibaar | 3 | |
| 188 : | edgomez | 851 | static __inline uint32_t |
| 189 : | edgomez | 195 | get_dc_scaler(uint32_t quant, |
| 190 : | uint32_t lum) | ||
| 191 : | Isibaar | 3 | { |
| 192 : | edgomez | 195 | if (quant < 5) |
| 193 : | return 8; | ||
| 194 : | Isibaar | 3 | |
| 195 : | edgomez | 195 | if (quant < 25 && !lum) |
| 196 : | edgomez | 851 | return (quant + 13) / 2; |
| 197 : | Isibaar | 3 | |
| 198 : | edgomez | 195 | if (quant < 9) |
| 199 : | edgomez | 851 | return 2 * quant; |
| 200 : | Isibaar | 3 | |
| 201 : | edgomez | 195 | if (quant < 25) |
| 202 : | edgomez | 851 | return quant + 8; |
| 203 : | Isibaar | 3 | |
| 204 : | edgomez | 195 | if (lum) |
| 205 : | edgomez | 851 | return 2 * quant - 16; |
| 206 : | Isibaar | 3 | else |
| 207 : | edgomez | 851 | return quant - 6; |
| 208 : | Isibaar | 3 | } |
| 209 : | |||
| 210 : | edgomez | 1053 | /* useful macros */ |
| 211 : | suxen_drol | 118 | |
| 212 : | #define MIN(X, Y) ((X)<(Y)?(X):(Y)) | ||
| 213 : | #define MAX(X, Y) ((X)>(Y)?(X):(Y)) | ||
| 214 : | edgomez | 982 | /* #define ABS(X) (((X)>0)?(X):-(X)) */ |
| 215 : | suxen_drol | 118 | #define SIGN(X) (((X)>0)?1:-1) |
| 216 : | edgomez | 851 | #define CLIP(X,AMIN,AMAX) (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X)) |
| 217 : | #define DIV_DIV(a,b) (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b)) | ||
| 218 : | suxen_drol | 926 | #define SWAP(_T_,A,B) { _T_ tmp = A; A = B; B = tmp; } |
| 219 : | suxen_drol | 118 | |
| 220 : | |||
| 221 : | edgomez | 851 | #endif /* _GLOBAL_H_ */ |
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