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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 : | suxen_drol | 750 | #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 : | chl | 530 | #define MODE_DIRECT_NO4V 5 |
| 25 : | suxen_drol | 118 | |
| 26 : | chl | 769 | typedef struct |
| 27 : | { | ||
| 28 : | VECTOR duv[3]; | ||
| 29 : | } | ||
| 30 : | WARPPOINTS; | ||
| 31 : | |||
| 32 : | /* save all warping parameters for GMC once and for all, instead of | ||
| 33 : | recalculating for every block. This is needed for encoding&decoding | ||
| 34 : | When switching to incremental calculations, this will get much shorter | ||
| 35 : | */ | ||
| 36 : | |||
| 37 : | /* we don't include WARPPOINTS wp here, but in FRAMEINFO itself */ | ||
| 38 : | |||
| 39 : | typedef struct | ||
| 40 : | { | ||
| 41 : | int num_wp; // [input]: 0=none, 1=translation, 2,3 = warping | ||
| 42 : | // a value of -1 means: "structure not initialized!" | ||
| 43 : | int s; // [input]: calc is done with 1/s pel resolution | ||
| 44 : | |||
| 45 : | int W; | ||
| 46 : | int H; | ||
| 47 : | |||
| 48 : | int ss; | ||
| 49 : | int smask; | ||
| 50 : | int sigma; | ||
| 51 : | |||
| 52 : | int r; | ||
| 53 : | int rho; | ||
| 54 : | |||
| 55 : | int i0s; | ||
| 56 : | int j0s; | ||
| 57 : | int i1s; | ||
| 58 : | int j1s; | ||
| 59 : | // int i2s; | ||
| 60 : | // int j2s; | ||
| 61 : | |||
| 62 : | int i1ss; | ||
| 63 : | int j1ss; | ||
| 64 : | // int i2ss; | ||
| 65 : | // int j2ss; | ||
| 66 : | |||
| 67 : | int alpha; | ||
| 68 : | // int beta; | ||
| 69 : | int Ws; | ||
| 70 : | // int Hs; | ||
| 71 : | } | ||
| 72 : | GMC_DATA; | ||
| 73 : | |||
| 74 : | |||
| 75 : | suxen_drol | 702 | typedef struct |
| 76 : | { | ||
| 77 : | uint8_t *y; | ||
| 78 : | uint8_t *u; | ||
| 79 : | uint8_t *v; | ||
| 80 : | } | ||
| 81 : | IMAGE; | ||
| 82 : | suxen_drol | 118 | |
| 83 : | suxen_drol | 702 | |
| 84 : | Isibaar | 3 | typedef struct |
| 85 : | { | ||
| 86 : | h | 101 | uint32_t bufa; |
| 87 : | uint32_t bufb; | ||
| 88 : | uint32_t buf; | ||
| 89 : | uint32_t pos; | ||
| 90 : | uint32_t *tail; | ||
| 91 : | uint32_t *start; | ||
| 92 : | uint32_t length; | ||
| 93 : | edgomez | 195 | } |
| 94 : | h | 101 | Bitstream; |
| 95 : | Isibaar | 3 | |
| 96 : | |||
| 97 : | #define MBPRED_SIZE 15 | ||
| 98 : | |||
| 99 : | |||
| 100 : | typedef struct | ||
| 101 : | { | ||
| 102 : | // decoder/encoder | ||
| 103 : | VECTOR mvs[4]; | ||
| 104 : | |||
| 105 : | chl | 172 | short int pred_values[6][MBPRED_SIZE]; |
| 106 : | int acpred_directions[6]; | ||
| 107 : | edgomez | 195 | |
| 108 : | Isibaar | 3 | int mode; |
| 109 : | edgomez | 195 | int quant; // absolute quant |
| 110 : | Isibaar | 3 | |
| 111 : | h | 69 | int field_dct; |
| 112 : | int field_pred; | ||
| 113 : | int field_for_top; | ||
| 114 : | int field_for_bot; | ||
| 115 : | |||
| 116 : | Isibaar | 3 | // encoder specific |
| 117 : | |||
| 118 : | chl | 172 | VECTOR mv16; |
| 119 : | Isibaar | 3 | VECTOR pmvs[4]; |
| 120 : | Isibaar | 579 | VECTOR qmvs[4]; // mvs in quarter pixel resolution |
| 121 : | chl | 172 | |
| 122 : | edgomez | 195 | int32_t sad8[4]; // SAD values for inter4v-VECTORs |
| 123 : | int32_t sad16; // SAD value for inter-VECTOR | ||
| 124 : | chl | 172 | |
| 125 : | Isibaar | 3 | int dquant; |
| 126 : | int cbp; | ||
| 127 : | |||
| 128 : | suxen_drol | 118 | // bframe stuff |
| 129 : | |||
| 130 : | VECTOR b_mvs[4]; | ||
| 131 : | syskin | 658 | VECTOR b_qmvs[4]; |
| 132 : | chl | 530 | // VECTOR b_pmvs[1]; |
| 133 : | suxen_drol | 118 | |
| 134 : | chl | 338 | // bframe direct mode |
| 135 : | |||
| 136 : | chl | 530 | // VECTOR directmv[4]; |
| 137 : | // VECTOR deltamv; | ||
| 138 : | chl | 338 | |
| 139 : | chenm001 | 156 | int mb_type; |
| 140 : | int dbquant; | ||
| 141 : | |||
| 142 : | chl | 277 | // stuff for block based ME (needed for Qpel ME) |
| 143 : | // backup of last integer ME vectors/sad | ||
| 144 : | syskin | 658 | |
| 145 : | // VECTOR i_mv16; | ||
| 146 : | chl | 287 | VECTOR i_mvs[4]; |
| 147 : | chl | 277 | |
| 148 : | chl | 287 | int32_t i_sad8[4]; // SAD values for inter4v-VECTORs |
| 149 : | syskin | 658 | // int32_t i_sad16; // SAD value for inter-VECTOR |
| 150 : | chl | 277 | |
| 151 : | chl | 769 | VECTOR amv; // average motion vectors from GMC |
| 152 : | int32_t mcsel; | ||
| 153 : | syskin | 658 | |
| 154 : | chl | 769 | /* This structure has become way to big! What to do? Split it up? */ |
| 155 : | |||
| 156 : | edgomez | 195 | } |
| 157 : | MACROBLOCK; | ||
| 158 : | Isibaar | 3 | |
| 159 : | edgomez | 195 | static __inline int8_t |
| 160 : | get_dc_scaler(uint32_t quant, | ||
| 161 : | uint32_t lum) | ||
| 162 : | Isibaar | 3 | { |
| 163 : | edgomez | 195 | if (quant < 5) |
| 164 : | return 8; | ||
| 165 : | Isibaar | 3 | |
| 166 : | edgomez | 195 | if (quant < 25 && !lum) |
| 167 : | return (quant + 13) / 2; | ||
| 168 : | Isibaar | 3 | |
| 169 : | edgomez | 195 | if (quant < 9) |
| 170 : | return 2 * quant; | ||
| 171 : | Isibaar | 3 | |
| 172 : | edgomez | 195 | if (quant < 25) |
| 173 : | return quant + 8; | ||
| 174 : | Isibaar | 3 | |
| 175 : | edgomez | 195 | if (lum) |
| 176 : | Isibaar | 157 | return 2 * quant - 16; |
| 177 : | Isibaar | 3 | else |
| 178 : | edgomez | 195 | return quant - 6; |
| 179 : | Isibaar | 3 | } |
| 180 : | |||
| 181 : | suxen_drol | 118 | // useful macros |
| 182 : | |||
| 183 : | #define MIN(X, Y) ((X)<(Y)?(X):(Y)) | ||
| 184 : | #define MAX(X, Y) ((X)>(Y)?(X):(Y)) | ||
| 185 : | #define ABS(X) (((X)>0)?(X):-(X)) | ||
| 186 : | #define SIGN(X) (((X)>0)?1:-1) | ||
| 187 : | suxen_drol | 760 | #define CLIP(X,AMIN,AMAX) (((X)<(AMIN)) ? (AMIN) : ((X)>(AMAX)) ? (AMAX) : (X)) |
| 188 : | #define DIV_DIV(a,b) (((a)>0) ? ((a)+((b)>>1))/(b) : ((a)-((b)>>1))/(b)) | ||
| 189 : | suxen_drol | 118 | |
| 190 : | |||
| 191 : | edgomez | 195 | #endif /* _GLOBAL_H_ */ |
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