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| 1 : | edgomez | 1.5 | /************************************************************************** |
| 2 : | * | ||
| 3 : | * XVID MPEG-4 VIDEO CODEC | ||
| 4 : | * - MB prediction header file - | ||
| 5 : | * | ||
| 6 : | * This program is an implementation of a part of one or more MPEG-4 | ||
| 7 : | * Video tools as specified in ISO/IEC 14496-2 standard. Those intending | ||
| 8 : | * to use this software module in hardware or software products are | ||
| 9 : | * advised that its use may infringe existing patents or copyrights, and | ||
| 10 : | * any such use would be at such party's own risk. The original | ||
| 11 : | * developer of this software module and his/her company, and subsequent | ||
| 12 : | * editors and their companies, will have no liability for use of this | ||
| 13 : | * software or modifications or derivatives thereof. | ||
| 14 : | * | ||
| 15 : | * This program is free software; you can redistribute it and/or modify | ||
| 16 : | * it under the terms of the GNU General Public License as published by | ||
| 17 : | * the xvid_free Software Foundation; either version 2 of the License, or | ||
| 18 : | * (at your option) any later version. | ||
| 19 : | * | ||
| 20 : | * This program is distributed in the hope that it will be useful, | ||
| 21 : | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 22 : | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| 23 : | * GNU General Public License for more details. | ||
| 24 : | * | ||
| 25 : | * You should have received a copy of the GNU General Public License | ||
| 26 : | * along with this program; if not, write to the xvid_free Software | ||
| 27 : | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
| 28 : | * | ||
| 29 : | Isibaar | 1.13.2.1 | * $Id: mbprediction.h,v 1.13 2002/07/10 19:17:49 chl Exp $ |
| 30 : | edgomez | 1.5 | * |
| 31 : | *************************************************************************/ | ||
| 32 : | |||
| 33 : | suxen_drol | 1.10 | /****************************************************************************** |
| 34 : | * * | ||
| 35 : | * Revision history: * | ||
| 36 : | * * | ||
| 37 : | * 29.06.2002 get_pmvdata() bounding * | ||
| 38 : | * * | ||
| 39 : | ******************************************************************************/ | ||
| 40 : | |||
| 41 : | |||
| 42 : | Isibaar | 1.1 | #ifndef _MBPREDICTION_H_ |
| 43 : | #define _MBPREDICTION_H_ | ||
| 44 : | |||
| 45 : | #include "../portab.h" | ||
| 46 : | #include "../decoder.h" | ||
| 47 : | #include "../global.h" | ||
| 48 : | |||
| 49 : | #define MIN(X, Y) ((X)<(Y)?(X):(Y)) | ||
| 50 : | #define MAX(X, Y) ((X)>(Y)?(X):(Y)) | ||
| 51 : | |||
| 52 : | edgomez | 1.5 | /* very large value */ |
| 53 : | Isibaar | 1.1 | #define MV_MAX_ERROR (4096 * 256) |
| 54 : | |||
| 55 : | #define MVequal(A,B) ( ((A).x)==((B).x) && ((A).y)==((B).y) ) | ||
| 56 : | |||
| 57 : | edgomez | 1.9 | void MBPrediction(FRAMEINFO * frame, /* <-- The parameter for ACDC and MV prediction */ |
| 58 : | |||
| 59 : | uint32_t x_pos, /* <-- The x position of the MB to be searched */ | ||
| 60 : | |||
| 61 : | uint32_t y_pos, /* <-- The y position of the MB to be searched */ | ||
| 62 : | |||
| 63 : | uint32_t x_dim, /* <-- Number of macroblocks in a row */ | ||
| 64 : | |||
| 65 : | int16_t * qcoeff); /* <-> The quantized DCT coefficients */ | ||
| 66 : | |||
| 67 : | void add_acdc(MACROBLOCK * pMB, | ||
| 68 : | uint32_t block, | ||
| 69 : | int16_t dct_codes[64], | ||
| 70 : | uint32_t iDcScaler, | ||
| 71 : | int16_t predictors[8]); | ||
| 72 : | |||
| 73 : | |||
| 74 : | void predict_acdc(MACROBLOCK * pMBs, | ||
| 75 : | uint32_t x, | ||
| 76 : | uint32_t y, | ||
| 77 : | uint32_t mb_width, | ||
| 78 : | uint32_t block, | ||
| 79 : | int16_t qcoeff[64], | ||
| 80 : | uint32_t current_quant, | ||
| 81 : | int32_t iDcScaler, | ||
| 82 : | suxen_drol | 1.10 | int16_t predictors[8], |
| 83 : | suxen_drol | 1.11 | const int bound); |
| 84 : | suxen_drol | 1.10 | |
| 85 : | Isibaar | 1.1 | |
| 86 : | chl | 1.13 | #ifdef OLD_GETPMV |
| 87 : | chl | 1.4 | /* get_pmvdata returns the median predictor and nothing else */ |
| 88 : | |||
| 89 : | edgomez | 1.9 | static __inline VECTOR |
| 90 : | get_pmv(const MACROBLOCK * const pMBs, | ||
| 91 : | const uint32_t x, | ||
| 92 : | const uint32_t y, | ||
| 93 : | const uint32_t x_dim, | ||
| 94 : | const uint32_t block) | ||
| 95 : | chl | 1.4 | { |
| 96 : | |||
| 97 : | edgomez | 1.5 | int xin1, xin2, xin3; |
| 98 : | int yin1, yin2, yin3; | ||
| 99 : | int vec1, vec2, vec3; | ||
| 100 : | edgomez | 1.9 | VECTOR lneigh, tneigh, trneigh; /* left neighbour, top neighbour, topright neighbour */ |
| 101 : | edgomez | 1.5 | VECTOR median; |
| 102 : | |||
| 103 : | edgomez | 1.9 | static VECTOR zeroMV = { 0, 0 }; |
| 104 : | edgomez | 1.5 | uint32_t index = x + y * x_dim; |
| 105 : | chl | 1.4 | |
| 106 : | edgomez | 1.5 | /* first row (special case) */ |
| 107 : | edgomez | 1.9 | if (y == 0 && (block == 0 || block == 1)) { |
| 108 : | if ((x == 0) && (block == 0)) // first column, first block | ||
| 109 : | { | ||
| 110 : | chl | 1.4 | return zeroMV; |
| 111 : | } | ||
| 112 : | edgomez | 1.9 | if (block == 1) // second block; has only a left neighbour |
| 113 : | chl | 1.4 | { |
| 114 : | return pMBs[index].mvs[0]; | ||
| 115 : | edgomez | 1.9 | } else { /* block==0, but x!=0, so again, there is a left neighbour */ |
| 116 : | |||
| 117 : | return pMBs[index - 1].mvs[1]; | ||
| 118 : | chl | 1.4 | } |
| 119 : | edgomez | 1.5 | } |
| 120 : | chl | 1.4 | |
| 121 : | /* | ||
| 122 : | edgomez | 1.5 | * MODE_INTER, vm18 page 48 |
| 123 : | * MODE_INTER4V vm18 page 51 | ||
| 124 : | * | ||
| 125 : | * (x,y-1) (x+1,y-1) | ||
| 126 : | * [ | ] [ | ] | ||
| 127 : | * [ 2 | 3 ] [ 2 | ] | ||
| 128 : | * | ||
| 129 : | * (x-1,y) (x,y) (x+1,y) | ||
| 130 : | * [ | 1 ] [ 0 | 1 ] [ 0 | ] | ||
| 131 : | * [ | 3 ] [ 2 | 3 ] [ | ] | ||
| 132 : | */ | ||
| 133 : | chl | 1.4 | |
| 134 : | edgomez | 1.9 | switch (block) { |
| 135 : | chl | 1.4 | case 0: |
| 136 : | edgomez | 1.9 | xin1 = x - 1; |
| 137 : | yin1 = y; | ||
| 138 : | vec1 = 1; /* left */ | ||
| 139 : | xin2 = x; | ||
| 140 : | yin2 = y - 1; | ||
| 141 : | vec2 = 2; /* top */ | ||
| 142 : | xin3 = x + 1; | ||
| 143 : | yin3 = y - 1; | ||
| 144 : | vec3 = 2; /* top right */ | ||
| 145 : | chl | 1.4 | break; |
| 146 : | case 1: | ||
| 147 : | edgomez | 1.9 | xin1 = x; |
| 148 : | yin1 = y; | ||
| 149 : | vec1 = 0; | ||
| 150 : | xin2 = x; | ||
| 151 : | yin2 = y - 1; | ||
| 152 : | vec2 = 3; | ||
| 153 : | xin3 = x + 1; | ||
| 154 : | yin3 = y - 1; | ||
| 155 : | vec3 = 2; | ||
| 156 : | edgomez | 1.5 | break; |
| 157 : | chl | 1.4 | case 2: |
| 158 : | edgomez | 1.9 | xin1 = x - 1; |
| 159 : | yin1 = y; | ||
| 160 : | vec1 = 3; | ||
| 161 : | xin2 = x; | ||
| 162 : | yin2 = y; | ||
| 163 : | vec2 = 0; | ||
| 164 : | xin3 = x; | ||
| 165 : | yin3 = y; | ||
| 166 : | vec3 = 1; | ||
| 167 : | edgomez | 1.5 | break; |
| 168 : | chl | 1.4 | default: |
| 169 : | edgomez | 1.9 | xin1 = x; |
| 170 : | yin1 = y; | ||
| 171 : | vec1 = 2; | ||
| 172 : | xin2 = x; | ||
| 173 : | yin2 = y; | ||
| 174 : | vec2 = 0; | ||
| 175 : | xin3 = x; | ||
| 176 : | yin3 = y; | ||
| 177 : | vec3 = 1; | ||
| 178 : | edgomez | 1.5 | } |
| 179 : | chl | 1.4 | |
| 180 : | |||
| 181 : | edgomez | 1.9 | if (xin1 < 0 || /* yin1 < 0 || */ xin1 >= (int32_t) x_dim) { |
| 182 : | lneigh = zeroMV; | ||
| 183 : | } else { | ||
| 184 : | lneigh = pMBs[xin1 + yin1 * x_dim].mvs[vec1]; | ||
| 185 : | chl | 1.4 | } |
| 186 : | |||
| 187 : | edgomez | 1.9 | if (xin2 < 0 || /* yin2 < 0 || */ xin2 >= (int32_t) x_dim) { |
| 188 : | chl | 1.4 | tneigh = zeroMV; |
| 189 : | edgomez | 1.9 | } else { |
| 190 : | tneigh = pMBs[xin2 + yin2 * x_dim].mvs[vec2]; | ||
| 191 : | chl | 1.4 | } |
| 192 : | |||
| 193 : | edgomez | 1.9 | if (xin3 < 0 || /* yin3 < 0 || */ xin3 >= (int32_t) x_dim) { |
| 194 : | chl | 1.4 | trneigh = zeroMV; |
| 195 : | edgomez | 1.9 | } else { |
| 196 : | chl | 1.4 | trneigh = pMBs[xin3 + yin3 * x_dim].mvs[vec3]; |
| 197 : | } | ||
| 198 : | |||
| 199 : | edgomez | 1.5 | /* median,minimum */ |
| 200 : | edgomez | 1.9 | |
| 201 : | median.x = | ||
| 202 : | MIN(MAX(lneigh.x, tneigh.x), | ||
| 203 : | MIN(MAX(tneigh.x, trneigh.x), MAX(lneigh.x, trneigh.x))); | ||
| 204 : | median.y = | ||
| 205 : | MIN(MAX(lneigh.y, tneigh.y), | ||
| 206 : | MIN(MAX(tneigh.y, trneigh.y), MAX(lneigh.y, trneigh.y))); | ||
| 207 : | chl | 1.4 | return median; |
| 208 : | } | ||
| 209 : | |||
| 210 : | |||
| 211 : | Isibaar | 1.13.2.1 | static __inline VECTOR |
| 212 : | get_qpmv(const MACROBLOCK * const pMBs, | ||
| 213 : | const uint32_t x, | ||
| 214 : | const uint32_t y, | ||
| 215 : | const uint32_t x_dim, | ||
| 216 : | const uint32_t block) | ||
| 217 : | { | ||
| 218 : | |||
| 219 : | int xin1, xin2, xin3; | ||
| 220 : | int yin1, yin2, yin3; | ||
| 221 : | int vec1, vec2, vec3; | ||
| 222 : | VECTOR lneigh, tneigh, trneigh; /* left neighbour, top neighbour, topright neighbour */ | ||
| 223 : | VECTOR median; | ||
| 224 : | |||
| 225 : | static VECTOR zeroMV = { 0, 0 }; | ||
| 226 : | uint32_t index = x + y * x_dim; | ||
| 227 : | |||
| 228 : | /* first row (special case) */ | ||
| 229 : | if (y == 0 && (block == 0 || block == 1)) { | ||
| 230 : | if ((x == 0) && (block == 0)) // first column, first block | ||
| 231 : | { | ||
| 232 : | return zeroMV; | ||
| 233 : | } | ||
| 234 : | if (block == 1) // second block; has only a left neighbour | ||
| 235 : | { | ||
| 236 : | return pMBs[index].qmvs[0]; | ||
| 237 : | } else { /* block==0, but x!=0, so again, there is a left neighbour */ | ||
| 238 : | |||
| 239 : | return pMBs[index - 1].qmvs[1]; | ||
| 240 : | } | ||
| 241 : | } | ||
| 242 : | |||
| 243 : | /* | ||
| 244 : | * MODE_INTER, vm18 page 48 | ||
| 245 : | * MODE_INTER4V vm18 page 51 | ||
| 246 : | * | ||
| 247 : | * (x,y-1) (x+1,y-1) | ||
| 248 : | * [ | ] [ | ] | ||
| 249 : | * [ 2 | 3 ] [ 2 | ] | ||
| 250 : | * | ||
| 251 : | * (x-1,y) (x,y) (x+1,y) | ||
| 252 : | * [ | 1 ] [ 0 | 1 ] [ 0 | ] | ||
| 253 : | * [ | 3 ] [ 2 | 3 ] [ | ] | ||
| 254 : | */ | ||
| 255 : | |||
| 256 : | switch (block) { | ||
| 257 : | case 0: | ||
| 258 : | xin1 = x - 1; | ||
| 259 : | yin1 = y; | ||
| 260 : | vec1 = 1; /* left */ | ||
| 261 : | xin2 = x; | ||
| 262 : | yin2 = y - 1; | ||
| 263 : | vec2 = 2; /* top */ | ||
| 264 : | xin3 = x + 1; | ||
| 265 : | yin3 = y - 1; | ||
| 266 : | vec3 = 2; /* top right */ | ||
| 267 : | break; | ||
| 268 : | case 1: | ||
| 269 : | xin1 = x; | ||
| 270 : | yin1 = y; | ||
| 271 : | vec1 = 0; | ||
| 272 : | xin2 = x; | ||
| 273 : | yin2 = y - 1; | ||
| 274 : | vec2 = 3; | ||
| 275 : | xin3 = x + 1; | ||
| 276 : | yin3 = y - 1; | ||
| 277 : | vec3 = 2; | ||
| 278 : | break; | ||
| 279 : | case 2: | ||
| 280 : | xin1 = x - 1; | ||
| 281 : | yin1 = y; | ||
| 282 : | vec1 = 3; | ||
| 283 : | xin2 = x; | ||
| 284 : | yin2 = y; | ||
| 285 : | vec2 = 0; | ||
| 286 : | xin3 = x; | ||
| 287 : | yin3 = y; | ||
| 288 : | vec3 = 1; | ||
| 289 : | break; | ||
| 290 : | default: | ||
| 291 : | xin1 = x; | ||
| 292 : | yin1 = y; | ||
| 293 : | vec1 = 2; | ||
| 294 : | xin2 = x; | ||
| 295 : | yin2 = y; | ||
| 296 : | vec2 = 0; | ||
| 297 : | xin3 = x; | ||
| 298 : | yin3 = y; | ||
| 299 : | vec3 = 1; | ||
| 300 : | } | ||
| 301 : | |||
| 302 : | |||
| 303 : | if (xin1 < 0 || /* yin1 < 0 || */ xin1 >= (int32_t) x_dim) { | ||
| 304 : | lneigh = zeroMV; | ||
| 305 : | } else { | ||
| 306 : | lneigh = pMBs[xin1 + yin1 * x_dim].qmvs[vec1]; | ||
| 307 : | } | ||
| 308 : | |||
| 309 : | if (xin2 < 0 || /* yin2 < 0 || */ xin2 >= (int32_t) x_dim) { | ||
| 310 : | tneigh = zeroMV; | ||
| 311 : | } else { | ||
| 312 : | tneigh = pMBs[xin2 + yin2 * x_dim].qmvs[vec2]; | ||
| 313 : | } | ||
| 314 : | |||
| 315 : | if (xin3 < 0 || /* yin3 < 0 || */ xin3 >= (int32_t) x_dim) { | ||
| 316 : | trneigh = zeroMV; | ||
| 317 : | } else { | ||
| 318 : | trneigh = pMBs[xin3 + yin3 * x_dim].qmvs[vec3]; | ||
| 319 : | } | ||
| 320 : | |||
| 321 : | /* median,minimum */ | ||
| 322 : | |||
| 323 : | median.x = | ||
| 324 : | MIN(MAX(lneigh.x, tneigh.x), | ||
| 325 : | MIN(MAX(tneigh.x, trneigh.x), MAX(lneigh.x, trneigh.x))); | ||
| 326 : | median.y = | ||
| 327 : | MIN(MAX(lneigh.y, tneigh.y), | ||
| 328 : | MIN(MAX(tneigh.y, trneigh.y), MAX(lneigh.y, trneigh.y))); | ||
| 329 : | return median; | ||
| 330 : | } | ||
| 331 : | |||
| 332 : | Isibaar | 1.1 | /* This is somehow a copy of get_pmv, but returning all MVs and Minimum SAD |
| 333 : | instead of only Median MV */ | ||
| 334 : | |||
| 335 : | edgomez | 1.9 | static __inline int |
| 336 : | get_pmvdata(const MACROBLOCK * const pMBs, | ||
| 337 : | const uint32_t x, | ||
| 338 : | const uint32_t y, | ||
| 339 : | const uint32_t x_dim, | ||
| 340 : | const uint32_t block, | ||
| 341 : | VECTOR * const pmv, | ||
| 342 : | suxen_drol | 1.11 | int32_t * const psad) |
| 343 : | Isibaar | 1.1 | { |
| 344 : | edgomez | 1.5 | |
| 345 : | /* | ||
| 346 : | * pmv are filled with: | ||
| 347 : | * [0]: Median (or whatever is correct in a special case) | ||
| 348 : | * [1]: left neighbour | ||
| 349 : | * [2]: top neighbour | ||
| 350 : | * [3]: topright neighbour | ||
| 351 : | * psad are filled with: | ||
| 352 : | * [0]: minimum of [1] to [3] | ||
| 353 : | * [1]: left neighbour's SAD (NB:[1] to [3] are actually not needed) | ||
| 354 : | * [2]: top neighbour's SAD | ||
| 355 : | * [3]: topright neighbour's SAD | ||
| 356 : | */ | ||
| 357 : | |||
| 358 : | int xin1, xin2, xin3; | ||
| 359 : | int yin1, yin2, yin3; | ||
| 360 : | int vec1, vec2, vec3; | ||
| 361 : | |||
| 362 : | uint32_t index = x + y * x_dim; | ||
| 363 : | edgomez | 1.9 | const VECTOR zeroMV = { 0, 0 }; |
| 364 : | Isibaar | 1.1 | |
| 365 : | chl | 1.8 | // first row of blocks (special case) |
| 366 : | suxen_drol | 1.11 | if (y == 0 && (block == 0 || block == 1)) { |
| 367 : | if ((x == 0) && (block == 0)) // first column, first block | ||
| 368 : | edgomez | 1.9 | { |
| 369 : | Isibaar | 1.1 | pmv[0] = pmv[1] = pmv[2] = pmv[3] = zeroMV; |
| 370 : | chl | 1.8 | psad[0] = 0; |
| 371 : | psad[1] = psad[2] = psad[3] = MV_MAX_ERROR; | ||
| 372 : | Isibaar | 1.1 | return 0; |
| 373 : | } | ||
| 374 : | edgomez | 1.9 | if (block == 1) // second block; has only a left neighbour |
| 375 : | Isibaar | 1.1 | { |
| 376 : | pmv[0] = pmv[1] = pMBs[index].mvs[0]; | ||
| 377 : | pmv[2] = pmv[3] = zeroMV; | ||
| 378 : | psad[0] = psad[1] = pMBs[index].sad8[0]; | ||
| 379 : | chl | 1.8 | psad[2] = psad[3] = MV_MAX_ERROR; |
| 380 : | Isibaar | 1.1 | return 0; |
| 381 : | edgomez | 1.9 | } else { /* block==0, but x!=0, so again, there is a left neighbour */ |
| 382 : | |||
| 383 : | pmv[0] = pmv[1] = pMBs[index - 1].mvs[1]; | ||
| 384 : | Isibaar | 1.1 | pmv[2] = pmv[3] = zeroMV; |
| 385 : | edgomez | 1.9 | psad[0] = psad[1] = pMBs[index - 1].sad8[1]; |
| 386 : | chl | 1.8 | psad[2] = psad[3] = MV_MAX_ERROR; |
| 387 : | Isibaar | 1.1 | return 0; |
| 388 : | } | ||
| 389 : | edgomez | 1.5 | } |
| 390 : | Isibaar | 1.1 | |
| 391 : | /* | ||
| 392 : | edgomez | 1.5 | * MODE_INTER, vm18 page 48 |
| 393 : | * MODE_INTER4V vm18 page 51 | ||
| 394 : | * | ||
| 395 : | * (x,y-1) (x+1,y-1) | ||
| 396 : | * [ | ] [ | ] | ||
| 397 : | * [ 2 | 3 ] [ 2 | ] | ||
| 398 : | * | ||
| 399 : | * (x-1,y) (x,y) (x+1,y) | ||
| 400 : | * [ | 1 ] [ 0 | 1 ] [ 0 | ] | ||
| 401 : | * [ | 3 ] [ 2 | 3 ] [ | ] | ||
| 402 : | */ | ||
| 403 : | Isibaar | 1.1 | |
| 404 : | edgomez | 1.9 | switch (block) { |
| 405 : | Isibaar | 1.1 | case 0: |
| 406 : | edgomez | 1.9 | xin1 = x - 1; |
| 407 : | yin1 = y; | ||
| 408 : | vec1 = 1; /* left */ | ||
| 409 : | xin2 = x; | ||
| 410 : | yin2 = y - 1; | ||
| 411 : | vec2 = 2; /* top */ | ||
| 412 : | xin3 = x + 1; | ||
| 413 : | yin3 = y - 1; | ||
| 414 : | vec3 = 2; /* top right */ | ||
| 415 : | Isibaar | 1.1 | break; |
| 416 : | case 1: | ||
| 417 : | edgomez | 1.9 | xin1 = x; |
| 418 : | yin1 = y; | ||
| 419 : | vec1 = 0; | ||
| 420 : | xin2 = x; | ||
| 421 : | yin2 = y - 1; | ||
| 422 : | vec2 = 3; | ||
| 423 : | xin3 = x + 1; | ||
| 424 : | yin3 = y - 1; | ||
| 425 : | vec3 = 2; | ||
| 426 : | edgomez | 1.5 | break; |
| 427 : | Isibaar | 1.1 | case 2: |
| 428 : | edgomez | 1.9 | xin1 = x - 1; |
| 429 : | yin1 = y; | ||
| 430 : | vec1 = 3; | ||
| 431 : | xin2 = x; | ||
| 432 : | yin2 = y; | ||
| 433 : | vec2 = 0; | ||
| 434 : | xin3 = x; | ||
| 435 : | yin3 = y; | ||
| 436 : | vec3 = 1; | ||
| 437 : | edgomez | 1.5 | break; |
| 438 : | Isibaar | 1.1 | default: |
| 439 : | edgomez | 1.9 | xin1 = x; |
| 440 : | yin1 = y; | ||
| 441 : | vec1 = 2; | ||
| 442 : | xin2 = x; | ||
| 443 : | yin2 = y; | ||
| 444 : | vec2 = 0; | ||
| 445 : | xin3 = x; | ||
| 446 : | yin3 = y; | ||
| 447 : | vec3 = 1; | ||
| 448 : | edgomez | 1.5 | } |
| 449 : | Isibaar | 1.1 | |
| 450 : | |||
| 451 : | edgomez | 1.9 | if (xin1 < 0 || xin1 >= (int32_t) x_dim) { |
| 452 : | chl | 1.7 | pmv[1] = zeroMV; |
| 453 : | Isibaar | 1.1 | psad[1] = MV_MAX_ERROR; |
| 454 : | edgomez | 1.9 | } else { |
| 455 : | pmv[1] = pMBs[xin1 + yin1 * x_dim].mvs[vec1]; | ||
| 456 : | psad[1] = pMBs[xin1 + yin1 * x_dim].sad8[vec1]; | ||
| 457 : | Isibaar | 1.1 | } |
| 458 : | |||
| 459 : | edgomez | 1.9 | if (xin2 < 0 || xin2 >= (int32_t) x_dim) { |
| 460 : | Isibaar | 1.1 | pmv[2] = zeroMV; |
| 461 : | psad[2] = MV_MAX_ERROR; | ||
| 462 : | edgomez | 1.9 | } else { |
| 463 : | pmv[2] = pMBs[xin2 + yin2 * x_dim].mvs[vec2]; | ||
| 464 : | psad[2] = pMBs[xin2 + yin2 * x_dim].sad8[vec2]; | ||
| 465 : | Isibaar | 1.1 | } |
| 466 : | |||
| 467 : | edgomez | 1.9 | if (xin3 < 0 || xin3 >= (int32_t) x_dim) { |
| 468 : | Isibaar | 1.1 | pmv[3] = zeroMV; |
| 469 : | psad[3] = MV_MAX_ERROR; | ||
| 470 : | edgomez | 1.9 | } else { |
| 471 : | Isibaar | 1.1 | pmv[3] = pMBs[xin3 + yin3 * x_dim].mvs[vec3]; |
| 472 : | suxen_drol | 1.12 | psad[3] = pMBs[xin3 + yin3 * x_dim].sad8[vec3]; |
| 473 : | Isibaar | 1.1 | } |
| 474 : | |||
| 475 : | edgomez | 1.9 | if ((MVequal(pmv[1], pmv[2])) && (MVequal(pmv[1], pmv[3]))) { |
| 476 : | pmv[0] = pmv[1]; | ||
| 477 : | psad[0] = MIN(MIN(psad[1], psad[2]), psad[3]); | ||
| 478 : | chl | 1.7 | return 1; |
| 479 : | Isibaar | 1.1 | } |
| 480 : | |||
| 481 : | edgomez | 1.5 | /* median,minimum */ |
| 482 : | edgomez | 1.9 | |
| 483 : | pmv[0].x = | ||
| 484 : | MIN(MAX(pmv[1].x, pmv[2].x), | ||
| 485 : | MIN(MAX(pmv[2].x, pmv[3].x), MAX(pmv[1].x, pmv[3].x))); | ||
| 486 : | pmv[0].y = | ||
| 487 : | MIN(MAX(pmv[1].y, pmv[2].y), | ||
| 488 : | MIN(MAX(pmv[2].y, pmv[3].y), MAX(pmv[1].y, pmv[3].y))); | ||
| 489 : | psad[0] = MIN(MIN(psad[1], psad[2]), psad[3]); | ||
| 490 : | edgomez | 1.5 | |
| 491 : | Isibaar | 1.1 | return 0; |
| 492 : | } | ||
| 493 : | chl | 1.4 | |
| 494 : | chl | 1.13 | #endif |
| 495 : | suxen_drol | 1.12 | |
| 496 : | /* | ||
| 497 : | * MODE_INTER, vm18 page 48 | ||
| 498 : | * MODE_INTER4V vm18 page 51 | ||
| 499 : | * | ||
| 500 : | * (x,y-1) (x+1,y-1) | ||
| 501 : | * [ | ] [ | ] | ||
| 502 : | * [ 2 | 3 ] [ 2 | ] | ||
| 503 : | * | ||
| 504 : | * (x-1,y) (x,y) (x+1,y) | ||
| 505 : | * [ | 1 ] [ 0 | 1 ] [ 0 | ] | ||
| 506 : | * [ | 3 ] [ 2 | 3 ] [ | ] | ||
| 507 : | */ | ||
| 508 : | |||
| 509 : | static __inline VECTOR | ||
| 510 : | get_pmv2(const MACROBLOCK * const mbs, | ||
| 511 : | const int mb_width, | ||
| 512 : | const int bound, | ||
| 513 : | const int x, | ||
| 514 : | const int y, | ||
| 515 : | const int block) | ||
| 516 : | { | ||
| 517 : | static const VECTOR zeroMV = { 0, 0 }; | ||
| 518 : | |||
| 519 : | int lx, ly, lz; /* left */ | ||
| 520 : | int tx, ty, tz; /* top */ | ||
| 521 : | int rx, ry, rz; /* top-right */ | ||
| 522 : | int lpos, tpos, rpos; | ||
| 523 : | int num_cand, last_cand; | ||
| 524 : | |||
| 525 : | VECTOR pmv[4]; /* left neighbour, top neighbour, top-right neighbour */ | ||
| 526 : | |||
| 527 : | switch (block) { | ||
| 528 : | case 0: | ||
| 529 : | lx = x - 1; ly = y; lz = 1; | ||
| 530 : | tx = x; ty = y - 1; tz = 2; | ||
| 531 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 532 : | break; | ||
| 533 : | case 1: | ||
| 534 : | lx = x; ly = y; lz = 0; | ||
| 535 : | tx = x; ty = y - 1; tz = 3; | ||
| 536 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 537 : | break; | ||
| 538 : | case 2: | ||
| 539 : | lx = x - 1; ly = y; lz = 3; | ||
| 540 : | tx = x; ty = y; tz = 0; | ||
| 541 : | rx = x; ry = y; rz = 1; | ||
| 542 : | break; | ||
| 543 : | default: | ||
| 544 : | lx = x; ly = y; lz = 2; | ||
| 545 : | tx = x; ty = y; tz = 0; | ||
| 546 : | rx = x; ry = y; rz = 1; | ||
| 547 : | } | ||
| 548 : | |||
| 549 : | lpos = lx + ly * mb_width; | ||
| 550 : | rpos = rx + ry * mb_width; | ||
| 551 : | tpos = tx + ty * mb_width; | ||
| 552 : | num_cand = 0; | ||
| 553 : | |||
| 554 : | if (lpos >= bound && lx >= 0) { | ||
| 555 : | num_cand++; | ||
| 556 : | last_cand = 1; | ||
| 557 : | pmv[1] = mbs[lpos].mvs[lz]; | ||
| 558 : | } else { | ||
| 559 : | pmv[1] = zeroMV; | ||
| 560 : | } | ||
| 561 : | |||
| 562 : | if (tpos >= bound) { | ||
| 563 : | num_cand++; | ||
| 564 : | last_cand = 2; | ||
| 565 : | pmv[2] = mbs[tpos].mvs[tz]; | ||
| 566 : | } else { | ||
| 567 : | pmv[2] = zeroMV; | ||
| 568 : | } | ||
| 569 : | |||
| 570 : | if (rpos >= bound && rx < mb_width) { | ||
| 571 : | num_cand++; | ||
| 572 : | last_cand = 3; | ||
| 573 : | pmv[3] = mbs[rpos].mvs[rz]; | ||
| 574 : | } else { | ||
| 575 : | pmv[3] = zeroMV; | ||
| 576 : | } | ||
| 577 : | |||
| 578 : | chl | 1.13 | /* if only one valid candidate predictor, the invalid candiates are set to the canidate */ |
| 579 : | suxen_drol | 1.12 | if (num_cand != 1) { |
| 580 : | /* set median */ | ||
| 581 : | |||
| 582 : | pmv[0].x = | ||
| 583 : | MIN(MAX(pmv[1].x, pmv[2].x), | ||
| 584 : | MIN(MAX(pmv[2].x, pmv[3].x), MAX(pmv[1].x, pmv[3].x))); | ||
| 585 : | pmv[0].y = | ||
| 586 : | MIN(MAX(pmv[1].y, pmv[2].y), | ||
| 587 : | MIN(MAX(pmv[2].y, pmv[3].y), MAX(pmv[1].y, pmv[3].y))); | ||
| 588 : | return pmv[0]; | ||
| 589 : | } | ||
| 590 : | |||
| 591 : | return pmv[last_cand]; /* no point calculating median mv */ | ||
| 592 : | } | ||
| 593 : | |||
| 594 : | Isibaar | 1.13.2.1 | |
| 595 : | |||
| 596 : | /* | ||
| 597 : | * MODE_INTER, vm18 page 48 | ||
| 598 : | * MODE_INTER4V vm18 page 51 | ||
| 599 : | * | ||
| 600 : | * (x,y-1) (x+1,y-1) | ||
| 601 : | * [ | ] [ | ] | ||
| 602 : | * [ 2 | 3 ] [ 2 | ] | ||
| 603 : | * | ||
| 604 : | * (x-1,y) (x,y) (x+1,y) | ||
| 605 : | * [ | 1 ] [ 0 | 1 ] [ 0 | ] | ||
| 606 : | * [ | 3 ] [ 2 | 3 ] [ | ] | ||
| 607 : | */ | ||
| 608 : | |||
| 609 : | static __inline VECTOR | ||
| 610 : | get_qpmv2(const MACROBLOCK * const mbs, | ||
| 611 : | const int mb_width, | ||
| 612 : | const int bound, | ||
| 613 : | const int x, | ||
| 614 : | const int y, | ||
| 615 : | const int block) | ||
| 616 : | { | ||
| 617 : | static const VECTOR zeroMV = { 0, 0 }; | ||
| 618 : | |||
| 619 : | int lx, ly, lz; /* left */ | ||
| 620 : | int tx, ty, tz; /* top */ | ||
| 621 : | int rx, ry, rz; /* top-right */ | ||
| 622 : | int lpos, tpos, rpos; | ||
| 623 : | int num_cand, last_cand; | ||
| 624 : | |||
| 625 : | VECTOR pmv[4]; /* left neighbour, top neighbour, top-right neighbour */ | ||
| 626 : | |||
| 627 : | switch (block) { | ||
| 628 : | case 0: | ||
| 629 : | lx = x - 1; ly = y; lz = 1; | ||
| 630 : | tx = x; ty = y - 1; tz = 2; | ||
| 631 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 632 : | break; | ||
| 633 : | case 1: | ||
| 634 : | lx = x; ly = y; lz = 0; | ||
| 635 : | tx = x; ty = y - 1; tz = 3; | ||
| 636 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 637 : | break; | ||
| 638 : | case 2: | ||
| 639 : | lx = x - 1; ly = y; lz = 3; | ||
| 640 : | tx = x; ty = y; tz = 0; | ||
| 641 : | rx = x; ry = y; rz = 1; | ||
| 642 : | break; | ||
| 643 : | default: | ||
| 644 : | lx = x; ly = y; lz = 2; | ||
| 645 : | tx = x; ty = y; tz = 0; | ||
| 646 : | rx = x; ry = y; rz = 1; | ||
| 647 : | } | ||
| 648 : | |||
| 649 : | lpos = lx + ly * mb_width; | ||
| 650 : | rpos = rx + ry * mb_width; | ||
| 651 : | tpos = tx + ty * mb_width; | ||
| 652 : | num_cand = 0; | ||
| 653 : | |||
| 654 : | if (lpos >= bound && lx >= 0) { | ||
| 655 : | num_cand++; | ||
| 656 : | last_cand = 1; | ||
| 657 : | pmv[1] = mbs[lpos].qmvs[lz]; | ||
| 658 : | } else { | ||
| 659 : | pmv[1] = zeroMV; | ||
| 660 : | } | ||
| 661 : | |||
| 662 : | if (tpos >= bound) { | ||
| 663 : | num_cand++; | ||
| 664 : | last_cand = 2; | ||
| 665 : | pmv[2] = mbs[tpos].qmvs[tz]; | ||
| 666 : | } else { | ||
| 667 : | pmv[2] = zeroMV; | ||
| 668 : | } | ||
| 669 : | |||
| 670 : | if (rpos >= bound && rx < mb_width) { | ||
| 671 : | num_cand++; | ||
| 672 : | last_cand = 3; | ||
| 673 : | pmv[3] = mbs[rpos].qmvs[rz]; | ||
| 674 : | } else { | ||
| 675 : | pmv[3] = zeroMV; | ||
| 676 : | } | ||
| 677 : | |||
| 678 : | /* if only one valid candidate predictor, the invalid candiates are set to the canidate */ | ||
| 679 : | if (num_cand != 1) { | ||
| 680 : | /* set median */ | ||
| 681 : | |||
| 682 : | pmv[0].x = | ||
| 683 : | MIN(MAX(pmv[1].x, pmv[2].x), | ||
| 684 : | MIN(MAX(pmv[2].x, pmv[3].x), MAX(pmv[1].x, pmv[3].x))); | ||
| 685 : | pmv[0].y = | ||
| 686 : | MIN(MAX(pmv[1].y, pmv[2].y), | ||
| 687 : | MIN(MAX(pmv[2].y, pmv[3].y), MAX(pmv[1].y, pmv[3].y))); | ||
| 688 : | return pmv[0]; | ||
| 689 : | } | ||
| 690 : | |||
| 691 : | return pmv[last_cand]; /* no point calculating median mv */ | ||
| 692 : | } | ||
| 693 : | suxen_drol | 1.12 | |
| 694 : | |||
| 695 : | /* | ||
| 696 : | * pmv are filled with: | ||
| 697 : | * [0]: Median (or whatever is correct in a special case) | ||
| 698 : | * [1]: left neighbour | ||
| 699 : | * [2]: top neighbour | ||
| 700 : | * [3]: topright neighbour | ||
| 701 : | * psad are filled with: | ||
| 702 : | * [0]: minimum of [1] to [3] | ||
| 703 : | * [1]: left neighbour's SAD (NB:[1] to [3] are actually not needed) | ||
| 704 : | * [2]: top neighbour's SAD | ||
| 705 : | * [3]: topright neighbour's SAD | ||
| 706 : | */ | ||
| 707 : | chl | 1.13 | |
| 708 : | suxen_drol | 1.12 | static __inline int |
| 709 : | get_pmvdata2(const MACROBLOCK * const mbs, | ||
| 710 : | const int mb_width, | ||
| 711 : | const int bound, | ||
| 712 : | const int x, | ||
| 713 : | const int y, | ||
| 714 : | const int block, | ||
| 715 : | VECTOR * const pmv, | ||
| 716 : | int32_t * const psad) | ||
| 717 : | { | ||
| 718 : | static const VECTOR zeroMV = { 0, 0 }; | ||
| 719 : | |||
| 720 : | int lx, ly, lz; /* left */ | ||
| 721 : | int tx, ty, tz; /* top */ | ||
| 722 : | int rx, ry, rz; /* top-right */ | ||
| 723 : | int lpos, tpos, rpos; | ||
| 724 : | int num_cand, last_cand; | ||
| 725 : | |||
| 726 : | switch (block) { | ||
| 727 : | case 0: | ||
| 728 : | lx = x - 1; ly = y; lz = 1; | ||
| 729 : | tx = x; ty = y - 1; tz = 2; | ||
| 730 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 731 : | break; | ||
| 732 : | case 1: | ||
| 733 : | lx = x; ly = y; lz = 0; | ||
| 734 : | tx = x; ty = y - 1; tz = 3; | ||
| 735 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 736 : | break; | ||
| 737 : | case 2: | ||
| 738 : | lx = x - 1; ly = y; lz = 3; | ||
| 739 : | tx = x; ty = y; tz = 0; | ||
| 740 : | rx = x; ry = y; rz = 1; | ||
| 741 : | break; | ||
| 742 : | default: | ||
| 743 : | lx = x; ly = y; lz = 2; | ||
| 744 : | tx = x; ty = y; tz = 0; | ||
| 745 : | rx = x; ry = y; rz = 1; | ||
| 746 : | } | ||
| 747 : | |||
| 748 : | lpos = lx + ly * mb_width; | ||
| 749 : | rpos = rx + ry * mb_width; | ||
| 750 : | tpos = tx + ty * mb_width; | ||
| 751 : | num_cand = 0; | ||
| 752 : | |||
| 753 : | if (lpos >= bound && lx >= 0) { | ||
| 754 : | num_cand++; | ||
| 755 : | last_cand = 1; | ||
| 756 : | pmv[1] = mbs[lpos].mvs[lz]; | ||
| 757 : | psad[1] = mbs[lpos].sad8[lz]; | ||
| 758 : | } else { | ||
| 759 : | pmv[1] = zeroMV; | ||
| 760 : | psad[1] = MV_MAX_ERROR; | ||
| 761 : | } | ||
| 762 : | |||
| 763 : | if (tpos >= bound) { | ||
| 764 : | num_cand++; | ||
| 765 : | last_cand = 2; | ||
| 766 : | pmv[2]= mbs[tpos].mvs[tz]; | ||
| 767 : | psad[2] = mbs[tpos].sad8[tz]; | ||
| 768 : | } else { | ||
| 769 : | pmv[2] = zeroMV; | ||
| 770 : | psad[2] = MV_MAX_ERROR; | ||
| 771 : | } | ||
| 772 : | |||
| 773 : | if (rpos >= bound && rx < mb_width) { | ||
| 774 : | num_cand++; | ||
| 775 : | last_cand = 3; | ||
| 776 : | pmv[3] = mbs[rpos].mvs[rz]; | ||
| 777 : | psad[3] = mbs[rpos].sad8[rz]; | ||
| 778 : | chl | 1.13 | } else { |
| 779 : | pmv[3] = zeroMV; | ||
| 780 : | psad[3] = MV_MAX_ERROR; | ||
| 781 : | } | ||
| 782 : | |||
| 783 : | /* original pmvdata() compatibility hack */ | ||
| 784 : | if (x == 0 && y == 0 && block == 0) | ||
| 785 : | { | ||
| 786 : | pmv[0] = pmv[1] = pmv[2] = pmv[3] = zeroMV; | ||
| 787 : | psad[0] = 0; | ||
| 788 : | psad[1] = psad[2] = psad[3] = MV_MAX_ERROR; | ||
| 789 : | return 0; | ||
| 790 : | } | ||
| 791 : | |||
| 792 : | /* if only one valid candidate preictor, the invalid candiates are set to the canidate */ | ||
| 793 : | if (num_cand == 1) { | ||
| 794 : | pmv[0] = pmv[last_cand]; | ||
| 795 : | psad[0] = psad[last_cand]; | ||
| 796 : | // return MVequal(pmv[0], zeroMV); /* no point calculating median mv and minimum sad */ | ||
| 797 : | |||
| 798 : | /* original pmvdata() compatibility hack */ | ||
| 799 : | return y==0 && block <= 1 ? 0 : MVequal(pmv[0], zeroMV); | ||
| 800 : | } | ||
| 801 : | |||
| 802 : | if ((MVequal(pmv[1], pmv[2])) && (MVequal(pmv[1], pmv[3]))) { | ||
| 803 : | pmv[0] = pmv[1]; | ||
| 804 : | psad[0] = MIN(MIN(psad[1], psad[2]), psad[3]); | ||
| 805 : | return 1; | ||
| 806 : | /* compatibility patch */ | ||
| 807 : | //return y==0 && block <= 1 ? 0 : 1; | ||
| 808 : | } | ||
| 809 : | |||
| 810 : | /* set median, minimum */ | ||
| 811 : | |||
| 812 : | pmv[0].x = | ||
| 813 : | MIN(MAX(pmv[1].x, pmv[2].x), | ||
| 814 : | MIN(MAX(pmv[2].x, pmv[3].x), MAX(pmv[1].x, pmv[3].x))); | ||
| 815 : | pmv[0].y = | ||
| 816 : | MIN(MAX(pmv[1].y, pmv[2].y), | ||
| 817 : | MIN(MAX(pmv[2].y, pmv[3].y), MAX(pmv[1].y, pmv[3].y))); | ||
| 818 : | |||
| 819 : | psad[0] = MIN(MIN(psad[1], psad[2]), psad[3]); | ||
| 820 : | |||
| 821 : | return 0; | ||
| 822 : | } | ||
| 823 : | |||
| 824 : | /* copies of get_pmv and get_pmvdata for prediction from integer search */ | ||
| 825 : | |||
| 826 : | static __inline VECTOR | ||
| 827 : | get_ipmv(const MACROBLOCK * const mbs, | ||
| 828 : | const int mb_width, | ||
| 829 : | const int bound, | ||
| 830 : | const int x, | ||
| 831 : | const int y, | ||
| 832 : | const int block) | ||
| 833 : | { | ||
| 834 : | static const VECTOR zeroMV = { 0, 0 }; | ||
| 835 : | |||
| 836 : | int lx, ly, lz; /* left */ | ||
| 837 : | int tx, ty, tz; /* top */ | ||
| 838 : | int rx, ry, rz; /* top-right */ | ||
| 839 : | int lpos, tpos, rpos; | ||
| 840 : | int num_cand, last_cand; | ||
| 841 : | |||
| 842 : | VECTOR pmv[4]; /* left neighbour, top neighbour, top-right neighbour */ | ||
| 843 : | |||
| 844 : | switch (block) { | ||
| 845 : | case 0: | ||
| 846 : | lx = x - 1; ly = y; lz = 1; | ||
| 847 : | tx = x; ty = y - 1; tz = 2; | ||
| 848 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 849 : | break; | ||
| 850 : | case 1: | ||
| 851 : | lx = x; ly = y; lz = 0; | ||
| 852 : | tx = x; ty = y - 1; tz = 3; | ||
| 853 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 854 : | break; | ||
| 855 : | case 2: | ||
| 856 : | lx = x - 1; ly = y; lz = 3; | ||
| 857 : | tx = x; ty = y; tz = 0; | ||
| 858 : | rx = x; ry = y; rz = 1; | ||
| 859 : | break; | ||
| 860 : | default: | ||
| 861 : | lx = x; ly = y; lz = 2; | ||
| 862 : | tx = x; ty = y; tz = 0; | ||
| 863 : | rx = x; ry = y; rz = 1; | ||
| 864 : | } | ||
| 865 : | |||
| 866 : | lpos = lx + ly * mb_width; | ||
| 867 : | rpos = rx + ry * mb_width; | ||
| 868 : | tpos = tx + ty * mb_width; | ||
| 869 : | num_cand = 0; | ||
| 870 : | |||
| 871 : | if (lpos >= bound && lx >= 0) { | ||
| 872 : | num_cand++; | ||
| 873 : | last_cand = 1; | ||
| 874 : | pmv[1] = mbs[lpos].i_mvs[lz]; | ||
| 875 : | } else { | ||
| 876 : | pmv[1] = zeroMV; | ||
| 877 : | } | ||
| 878 : | |||
| 879 : | if (tpos >= bound) { | ||
| 880 : | num_cand++; | ||
| 881 : | last_cand = 2; | ||
| 882 : | pmv[2] = mbs[tpos].i_mvs[tz]; | ||
| 883 : | } else { | ||
| 884 : | pmv[2] = zeroMV; | ||
| 885 : | } | ||
| 886 : | |||
| 887 : | if (rpos >= bound && rx < mb_width) { | ||
| 888 : | num_cand++; | ||
| 889 : | last_cand = 3; | ||
| 890 : | pmv[3] = mbs[rpos].i_mvs[rz]; | ||
| 891 : | } else { | ||
| 892 : | pmv[3] = zeroMV; | ||
| 893 : | } | ||
| 894 : | |||
| 895 : | /* if only one valid candidate predictor, the invalid candiates are set to the canidate */ | ||
| 896 : | if (num_cand != 1) { | ||
| 897 : | /* set median */ | ||
| 898 : | |||
| 899 : | pmv[0].x = | ||
| 900 : | MIN(MAX(pmv[1].x, pmv[2].x), | ||
| 901 : | MIN(MAX(pmv[2].x, pmv[3].x), MAX(pmv[1].x, pmv[3].x))); | ||
| 902 : | pmv[0].y = | ||
| 903 : | MIN(MAX(pmv[1].y, pmv[2].y), | ||
| 904 : | MIN(MAX(pmv[2].y, pmv[3].y), MAX(pmv[1].y, pmv[3].y))); | ||
| 905 : | return pmv[0]; | ||
| 906 : | } | ||
| 907 : | |||
| 908 : | return pmv[last_cand]; /* no point calculating median mv */ | ||
| 909 : | } | ||
| 910 : | |||
| 911 : | static __inline int | ||
| 912 : | get_ipmvdata(const MACROBLOCK * const mbs, | ||
| 913 : | const int mb_width, | ||
| 914 : | const int bound, | ||
| 915 : | const int x, | ||
| 916 : | const int y, | ||
| 917 : | const int block, | ||
| 918 : | VECTOR * const pmv, | ||
| 919 : | int32_t * const psad) | ||
| 920 : | { | ||
| 921 : | static const VECTOR zeroMV = { 0, 0 }; | ||
| 922 : | |||
| 923 : | int lx, ly, lz; /* left */ | ||
| 924 : | int tx, ty, tz; /* top */ | ||
| 925 : | int rx, ry, rz; /* top-right */ | ||
| 926 : | int lpos, tpos, rpos; | ||
| 927 : | int num_cand, last_cand; | ||
| 928 : | |||
| 929 : | switch (block) { | ||
| 930 : | case 0: | ||
| 931 : | lx = x - 1; ly = y; lz = 1; | ||
| 932 : | tx = x; ty = y - 1; tz = 2; | ||
| 933 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 934 : | break; | ||
| 935 : | case 1: | ||
| 936 : | lx = x; ly = y; lz = 0; | ||
| 937 : | tx = x; ty = y - 1; tz = 3; | ||
| 938 : | rx = x + 1; ry = y - 1; rz = 2; | ||
| 939 : | break; | ||
| 940 : | case 2: | ||
| 941 : | lx = x - 1; ly = y; lz = 3; | ||
| 942 : | tx = x; ty = y; tz = 0; | ||
| 943 : | rx = x; ry = y; rz = 1; | ||
| 944 : | break; | ||
| 945 : | default: | ||
| 946 : | lx = x; ly = y; lz = 2; | ||
| 947 : | tx = x; ty = y; tz = 0; | ||
| 948 : | rx = x; ry = y; rz = 1; | ||
| 949 : | } | ||
| 950 : | |||
| 951 : | lpos = lx + ly * mb_width; | ||
| 952 : | rpos = rx + ry * mb_width; | ||
| 953 : | tpos = tx + ty * mb_width; | ||
| 954 : | num_cand = 0; | ||
| 955 : | |||
| 956 : | if (lpos >= bound && lx >= 0) { | ||
| 957 : | num_cand++; | ||
| 958 : | last_cand = 1; | ||
| 959 : | pmv[1] = mbs[lpos].i_mvs[lz]; | ||
| 960 : | psad[1] = mbs[lpos].i_sad8[lz]; | ||
| 961 : | } else { | ||
| 962 : | pmv[1] = zeroMV; | ||
| 963 : | psad[1] = MV_MAX_ERROR; | ||
| 964 : | } | ||
| 965 : | |||
| 966 : | if (tpos >= bound) { | ||
| 967 : | num_cand++; | ||
| 968 : | last_cand = 2; | ||
| 969 : | pmv[2]= mbs[tpos].i_mvs[tz]; | ||
| 970 : | psad[2] = mbs[tpos].i_sad8[tz]; | ||
| 971 : | } else { | ||
| 972 : | pmv[2] = zeroMV; | ||
| 973 : | psad[2] = MV_MAX_ERROR; | ||
| 974 : | } | ||
| 975 : | |||
| 976 : | if (rpos >= bound && rx < mb_width) { | ||
| 977 : | num_cand++; | ||
| 978 : | last_cand = 3; | ||
| 979 : | pmv[3] = mbs[rpos].i_mvs[rz]; | ||
| 980 : | psad[3] = mbs[rpos].i_sad8[rz]; | ||
| 981 : | suxen_drol | 1.12 | } else { |
| 982 : | pmv[3] = zeroMV; | ||
| 983 : | psad[3] = MV_MAX_ERROR; | ||
| 984 : | } | ||
| 985 : | |||
| 986 : | /* original pmvdata() compatibility hack */ | ||
| 987 : | if (x == 0 && y == 0 && block == 0) | ||
| 988 : | { | ||
| 989 : | pmv[0] = pmv[1] = pmv[2] = pmv[3] = zeroMV; | ||
| 990 : | psad[0] = 0; | ||
| 991 : | psad[1] = psad[2] = psad[3] = MV_MAX_ERROR; | ||
| 992 : | return 0; | ||
| 993 : | } | ||
| 994 : | |||
| 995 : | /* if only one valid candidate preictor, the invalid candiates are set to the canidate */ | ||
| 996 : | if (num_cand == 1) { | ||
| 997 : | pmv[0] = pmv[last_cand]; | ||
| 998 : | psad[0] = psad[last_cand]; | ||
| 999 : | // return MVequal(pmv[0], zeroMV); /* no point calculating median mv and minimum sad */ | ||
| 1000 : | |||
| 1001 : | /* original pmvdata() compatibility hack */ | ||
| 1002 : | return y==0 && block <= 1 ? 0 : MVequal(pmv[0], zeroMV); | ||
| 1003 : | } | ||
| 1004 : | |||
| 1005 : | if ((MVequal(pmv[1], pmv[2])) && (MVequal(pmv[1], pmv[3]))) { | ||
| 1006 : | pmv[0] = pmv[1]; | ||
| 1007 : | psad[0] = MIN(MIN(psad[1], psad[2]), psad[3]); | ||
| 1008 : | return 1; | ||
| 1009 : | /* compatibility patch */ | ||
| 1010 : | //return y==0 && block <= 1 ? 0 : 1; | ||
| 1011 : | } | ||
| 1012 : | |||
| 1013 : | /* set median, minimum */ | ||
| 1014 : | |||
| 1015 : | pmv[0].x = | ||
| 1016 : | MIN(MAX(pmv[1].x, pmv[2].x), | ||
| 1017 : | MIN(MAX(pmv[2].x, pmv[3].x), MAX(pmv[1].x, pmv[3].x))); | ||
| 1018 : | pmv[0].y = | ||
| 1019 : | MIN(MAX(pmv[1].y, pmv[2].y), | ||
| 1020 : | MIN(MAX(pmv[2].y, pmv[3].y), MAX(pmv[1].y, pmv[3].y))); | ||
| 1021 : | |||
| 1022 : | psad[0] = MIN(MIN(psad[1], psad[2]), psad[3]); | ||
| 1023 : | |||
| 1024 : | return 0; | ||
| 1025 : | } | ||
| 1026 : | Isibaar | 1.1 | |
| 1027 : | |||
| 1028 : | edgomez | 1.9 | #endif /* _MBPREDICTION_H_ */ |
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