| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Authors: Steve Borho <steve@borho.org> |
| 5 | * Min Chen <chenm003@163.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify |
| 8 | * it under the terms of the GNU General Public License as published by |
| 9 | * the Free Software Foundation; either version 2 of the License, or |
| 10 | * (at your option) any later version. |
| 11 | * |
| 12 | * This program is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | * GNU General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with this program; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| 20 | * |
| 21 | * This program is also available under a commercial proprietary license. |
| 22 | * For more information, contact us at license @ x265.com. |
| 23 | *****************************************************************************/ |
| 24 | |
| 25 | #include "common.h" |
| 26 | #include "frame.h" |
| 27 | #include "framedata.h" |
| 28 | #include "picyuv.h" |
| 29 | #include "sao.h" |
| 30 | |
| 31 | namespace { |
| 32 | |
| 33 | inline int32_t roundIBDI(int32_t num, int32_t den) |
| 34 | { |
| 35 | return num >= 0 ? ((num * 2 + den) / (den * 2)) : -((-num * 2 + den) / (den * 2)); |
| 36 | } |
| 37 | |
| 38 | /* get the sign of input variable (TODO: this is a dup, make common) */ |
| 39 | inline int signOf(int x) |
| 40 | { |
| 41 | return (x >> 31) | ((int)((((uint32_t)-x)) >> 31)); |
| 42 | } |
| 43 | |
| 44 | inline int64_t estSaoDist(int32_t count, int offset, int32_t offsetOrg) |
| 45 | { |
| 46 | return (count * offset - offsetOrg * 2) * offset; |
| 47 | } |
| 48 | |
| 49 | } // end anonymous namespace |
| 50 | |
| 51 | |
| 52 | namespace x265 { |
| 53 | |
| 54 | const uint32_t SAO::s_eoTable[NUM_EDGETYPE] = |
| 55 | { |
| 56 | 1, // 0 |
| 57 | 2, // 1 |
| 58 | 0, // 2 |
| 59 | 3, // 3 |
| 60 | 4 // 4 |
| 61 | }; |
| 62 | |
| 63 | SAO::SAO() |
| 64 | { |
| 65 | m_count = NULL; |
| 66 | m_offset = NULL; |
| 67 | m_offsetOrg = NULL; |
| 68 | m_countPreDblk = NULL; |
| 69 | m_offsetOrgPreDblk = NULL; |
| 70 | m_refDepth = 0; |
| 71 | m_lumaLambda = 0; |
| 72 | m_chromaLambda = 0; |
| 73 | m_param = NULL; |
| 74 | m_clipTable = NULL; |
| 75 | m_clipTableBase = NULL; |
| 76 | m_offsetBo = NULL; |
| 77 | m_tmpU1[0] = NULL; |
| 78 | m_tmpU1[1] = NULL; |
| 79 | m_tmpU1[2] = NULL; |
| 80 | m_tmpU2[0] = NULL; |
| 81 | m_tmpU2[1] = NULL; |
| 82 | m_tmpU2[2] = NULL; |
| 83 | m_tmpL1 = NULL; |
| 84 | m_tmpL2 = NULL; |
| 85 | |
| 86 | m_depthSaoRate[0][0] = 0; |
| 87 | m_depthSaoRate[0][1] = 0; |
| 88 | m_depthSaoRate[0][2] = 0; |
| 89 | m_depthSaoRate[0][3] = 0; |
| 90 | m_depthSaoRate[1][0] = 0; |
| 91 | m_depthSaoRate[1][1] = 0; |
| 92 | m_depthSaoRate[1][2] = 0; |
| 93 | m_depthSaoRate[1][3] = 0; |
| 94 | } |
| 95 | |
| 96 | bool SAO::create(x265_param* param) |
| 97 | { |
| 98 | m_param = param; |
| 99 | m_hChromaShift = CHROMA_H_SHIFT(param->internalCsp); |
| 100 | m_vChromaShift = CHROMA_V_SHIFT(param->internalCsp); |
| 101 | |
| 102 | m_numCuInWidth = (m_param->sourceWidth + g_maxCUSize - 1) / g_maxCUSize; |
| 103 | m_numCuInHeight = (m_param->sourceHeight + g_maxCUSize - 1) / g_maxCUSize; |
| 104 | |
| 105 | const pixel maxY = (1 << X265_DEPTH) - 1; |
| 106 | const pixel rangeExt = maxY >> 1; |
| 107 | int numCtu = m_numCuInWidth * m_numCuInHeight; |
| 108 | |
| 109 | CHECKED_MALLOC(m_clipTableBase, pixel, maxY + 2 * rangeExt); |
| 110 | CHECKED_MALLOC(m_offsetBo, pixel, maxY + 2 * rangeExt); |
| 111 | |
| 112 | CHECKED_MALLOC(m_tmpL1, pixel, g_maxCUSize + 1); |
| 113 | CHECKED_MALLOC(m_tmpL2, pixel, g_maxCUSize + 1); |
| 114 | |
| 115 | for (int i = 0; i < 3; i++) |
| 116 | { |
| 117 | CHECKED_MALLOC(m_tmpU1[i], pixel, m_param->sourceWidth); |
| 118 | CHECKED_MALLOC(m_tmpU2[i], pixel, m_param->sourceWidth); |
| 119 | } |
| 120 | |
| 121 | CHECKED_MALLOC(m_count, PerClass, NUM_PLANE); |
| 122 | CHECKED_MALLOC(m_offset, PerClass, NUM_PLANE); |
| 123 | CHECKED_MALLOC(m_offsetOrg, PerClass, NUM_PLANE); |
| 124 | |
| 125 | CHECKED_MALLOC(m_countPreDblk, PerPlane, numCtu); |
| 126 | CHECKED_MALLOC(m_offsetOrgPreDblk, PerPlane, numCtu); |
| 127 | |
| 128 | m_clipTable = &(m_clipTableBase[rangeExt]); |
| 129 | |
| 130 | for (int i = 0; i < rangeExt; i++) |
| 131 | m_clipTableBase[i] = 0; |
| 132 | |
| 133 | for (int i = 0; i < maxY; i++) |
| 134 | m_clipTable[i] = (pixel)i; |
| 135 | |
| 136 | for (int i = maxY; i < maxY + rangeExt; i++) |
| 137 | m_clipTable[i] = maxY; |
| 138 | |
| 139 | return true; |
| 140 | |
| 141 | fail: |
| 142 | return false; |
| 143 | } |
| 144 | |
| 145 | void SAO::destroy() |
| 146 | { |
| 147 | X265_FREE(m_clipTableBase); |
| 148 | X265_FREE(m_offsetBo); |
| 149 | |
| 150 | X265_FREE(m_tmpL1); |
| 151 | X265_FREE(m_tmpL2); |
| 152 | |
| 153 | for (int i = 0; i < 3; i++) |
| 154 | { |
| 155 | X265_FREE(m_tmpU1[i]); |
| 156 | X265_FREE(m_tmpU2[i]); |
| 157 | } |
| 158 | |
| 159 | X265_FREE(m_count); |
| 160 | X265_FREE(m_offset); |
| 161 | X265_FREE(m_offsetOrg); |
| 162 | X265_FREE(m_countPreDblk); |
| 163 | X265_FREE(m_offsetOrgPreDblk); |
| 164 | } |
| 165 | |
| 166 | /* allocate memory for SAO parameters */ |
| 167 | void SAO::allocSaoParam(SAOParam* saoParam) const |
| 168 | { |
| 169 | saoParam->numCuInWidth = m_numCuInWidth; |
| 170 | |
| 171 | saoParam->ctuParam[0] = new SaoCtuParam[m_numCuInHeight * m_numCuInWidth]; |
| 172 | saoParam->ctuParam[1] = new SaoCtuParam[m_numCuInHeight * m_numCuInWidth]; |
| 173 | saoParam->ctuParam[2] = new SaoCtuParam[m_numCuInHeight * m_numCuInWidth]; |
| 174 | } |
| 175 | |
| 176 | void SAO::startSlice(Frame* frame, Entropy& initState, int qp) |
| 177 | { |
| 178 | Slice* slice = frame->m_encData->m_slice; |
| 179 | int qpCb = qp; |
| 180 | if (m_param->internalCsp == X265_CSP_I420) |
| 181 | qpCb = Clip3(QP_MIN, QP_MAX_MAX, (int)g_chromaScale[qp + slice->m_pps->chromaQpOffset[0]]); |
| 182 | else |
| 183 | qpCb = X265_MIN(qp + slice->m_pps->chromaQpOffset[0], QP_MAX_SPEC); |
| 184 | m_lumaLambda = x265_lambda2_tab[qp]; |
| 185 | m_chromaLambda = x265_lambda2_tab[qpCb]; // Use Cb QP for SAO chroma |
| 186 | m_frame = frame; |
| 187 | |
| 188 | switch (slice->m_sliceType) |
| 189 | { |
| 190 | case I_SLICE: |
| 191 | m_refDepth = 0; |
| 192 | break; |
| 193 | case P_SLICE: |
| 194 | m_refDepth = 1; |
| 195 | break; |
| 196 | case B_SLICE: |
| 197 | m_refDepth = 2 + !IS_REFERENCED(frame); |
| 198 | break; |
| 199 | } |
| 200 | |
| 201 | resetStats(); |
| 202 | |
| 203 | m_entropyCoder.load(initState); |
| 204 | m_rdContexts.next.load(initState); |
| 205 | m_rdContexts.cur.load(initState); |
| 206 | |
| 207 | SAOParam* saoParam = frame->m_encData->m_saoParam; |
| 208 | if (!saoParam) |
| 209 | { |
| 210 | saoParam = new SAOParam; |
| 211 | allocSaoParam(saoParam); |
| 212 | frame->m_encData->m_saoParam = saoParam; |
| 213 | } |
| 214 | |
| 215 | rdoSaoUnitRowInit(saoParam); |
| 216 | |
| 217 | // NOTE: Disable SAO automatic turn-off when frame parallelism is |
| 218 | // enabled for output exact independent of frame thread count |
| 219 | if (m_param->frameNumThreads > 1) |
| 220 | { |
| 221 | saoParam->bSaoFlag[0] = true; |
| 222 | saoParam->bSaoFlag[1] = true; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | // CTU-based SAO process without slice granularity |
| 227 | void SAO::processSaoCu(int addr, int typeIdx, int plane) |
| 228 | { |
| 229 | int x, y; |
| 230 | const CUData* cu = m_frame->m_encData->getPicCTU(addr); |
| 231 | pixel* rec = m_frame->m_reconPic->getPlaneAddr(plane, addr); |
| 232 | intptr_t stride = plane ? m_frame->m_reconPic->m_strideC : m_frame->m_reconPic->m_stride; |
| 233 | uint32_t picWidth = m_param->sourceWidth; |
| 234 | uint32_t picHeight = m_param->sourceHeight; |
| 235 | int ctuWidth = g_maxCUSize; |
| 236 | int ctuHeight = g_maxCUSize; |
| 237 | uint32_t lpelx = cu->m_cuPelX; |
| 238 | uint32_t tpely = cu->m_cuPelY; |
| 239 | if (plane) |
| 240 | { |
| 241 | picWidth >>= m_hChromaShift; |
| 242 | picHeight >>= m_vChromaShift; |
| 243 | ctuWidth >>= m_hChromaShift; |
| 244 | ctuHeight >>= m_vChromaShift; |
| 245 | lpelx >>= m_hChromaShift; |
| 246 | tpely >>= m_vChromaShift; |
| 247 | } |
| 248 | uint32_t rpelx = x265_min(lpelx + ctuWidth, picWidth); |
| 249 | uint32_t bpely = x265_min(tpely + ctuHeight, picHeight); |
| 250 | ctuWidth = rpelx - lpelx; |
| 251 | ctuHeight = bpely - tpely; |
| 252 | |
| 253 | int startX; |
| 254 | int startY; |
| 255 | int endX; |
| 256 | int endY; |
| 257 | pixel* tmpL; |
| 258 | pixel* tmpU; |
| 259 | |
| 260 | int32_t _upBuff1[MAX_CU_SIZE + 2], *upBuff1 = _upBuff1 + 1; |
| 261 | int32_t _upBufft[MAX_CU_SIZE + 2], *upBufft = _upBufft + 1; |
| 262 | |
| 263 | { |
| 264 | const pixel* recR = &rec[ctuWidth - 1]; |
| 265 | for (int i = 0; i < ctuHeight + 1; i++) |
| 266 | { |
| 267 | m_tmpL2[i] = *recR; |
| 268 | recR += stride; |
| 269 | } |
| 270 | |
| 271 | tmpL = m_tmpL1; |
| 272 | tmpU = &(m_tmpU1[plane][lpelx]); |
| 273 | } |
| 274 | |
| 275 | switch (typeIdx) |
| 276 | { |
| 277 | case SAO_EO_0: // dir: - |
| 278 | { |
| 279 | pixel firstPxl = 0, lastPxl = 0; |
| 280 | startX = !lpelx; |
| 281 | endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth; |
| 282 | if (ctuWidth & 15) |
| 283 | { |
| 284 | for (y = 0; y < ctuHeight; y++) |
| 285 | { |
| 286 | int signLeft = signOf(rec[startX] - tmpL[y]); |
| 287 | for (x = startX; x < endX; x++) |
| 288 | { |
| 289 | int signRight = signOf(rec[x] - rec[x + 1]); |
| 290 | int edgeType = signRight + signLeft + 2; |
| 291 | signLeft = -signRight; |
| 292 | |
| 293 | rec[x] = m_clipTable[rec[x] + m_offsetEo[edgeType]]; |
| 294 | } |
| 295 | |
| 296 | rec += stride; |
| 297 | } |
| 298 | } |
| 299 | else |
| 300 | { |
| 301 | for (y = 0; y < ctuHeight; y++) |
| 302 | { |
| 303 | int signLeft = signOf(rec[startX] - tmpL[y]); |
| 304 | |
| 305 | if (!lpelx) |
| 306 | firstPxl = rec[0]; |
| 307 | |
| 308 | if (rpelx == picWidth) |
| 309 | lastPxl = rec[ctuWidth - 1]; |
| 310 | |
| 311 | primitives.saoCuOrgE0(rec, m_offsetEo, ctuWidth, (int8_t)signLeft); |
| 312 | |
| 313 | if (!lpelx) |
| 314 | rec[0] = firstPxl; |
| 315 | |
| 316 | if (rpelx == picWidth) |
| 317 | rec[ctuWidth - 1] = lastPxl; |
| 318 | |
| 319 | rec += stride; |
| 320 | } |
| 321 | } |
| 322 | break; |
| 323 | } |
| 324 | case SAO_EO_1: // dir: | |
| 325 | { |
| 326 | startY = !tpely; |
| 327 | endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight; |
| 328 | if (!tpely) |
| 329 | rec += stride; |
| 330 | |
| 331 | for (x = 0; x < ctuWidth; x++) |
| 332 | upBuff1[x] = signOf(rec[x] - tmpU[x]); |
| 333 | |
| 334 | for (y = startY; y < endY; y++) |
| 335 | { |
| 336 | for (x = 0; x < ctuWidth; x++) |
| 337 | { |
| 338 | int signDown = signOf(rec[x] - rec[x + stride]); |
| 339 | int edgeType = signDown + upBuff1[x] + 2; |
| 340 | upBuff1[x] = -signDown; |
| 341 | |
| 342 | rec[x] = m_clipTable[rec[x] + m_offsetEo[edgeType]]; |
| 343 | } |
| 344 | |
| 345 | rec += stride; |
| 346 | } |
| 347 | |
| 348 | break; |
| 349 | } |
| 350 | case SAO_EO_2: // dir: 135 |
| 351 | { |
| 352 | startX = !lpelx; |
| 353 | endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth; |
| 354 | |
| 355 | startY = !tpely; |
| 356 | endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight; |
| 357 | |
| 358 | if (!tpely) |
| 359 | rec += stride; |
| 360 | |
| 361 | for (x = startX; x < endX; x++) |
| 362 | upBuff1[x] = signOf(rec[x] - tmpU[x - 1]); |
| 363 | |
| 364 | for (y = startY; y < endY; y++) |
| 365 | { |
| 366 | upBufft[startX] = signOf(rec[stride + startX] - tmpL[y]); |
| 367 | for (x = startX; x < endX; x++) |
| 368 | { |
| 369 | int signDown = signOf(rec[x] - rec[x + stride + 1]); |
| 370 | int edgeType = signDown + upBuff1[x] + 2; |
| 371 | upBufft[x + 1] = -signDown; |
| 372 | rec[x] = m_clipTable[rec[x] + m_offsetEo[edgeType]]; |
| 373 | } |
| 374 | |
| 375 | std::swap(upBuff1, upBufft); |
| 376 | |
| 377 | rec += stride; |
| 378 | } |
| 379 | |
| 380 | break; |
| 381 | } |
| 382 | case SAO_EO_3: // dir: 45 |
| 383 | { |
| 384 | startX = !lpelx; |
| 385 | endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth; |
| 386 | |
| 387 | startY = !tpely; |
| 388 | endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight; |
| 389 | |
| 390 | if (!tpely) |
| 391 | rec += stride; |
| 392 | |
| 393 | for (x = startX - 1; x < endX; x++) |
| 394 | upBuff1[x] = signOf(rec[x] - tmpU[x + 1]); |
| 395 | |
| 396 | for (y = startY; y < endY; y++) |
| 397 | { |
| 398 | x = startX; |
| 399 | int signDown = signOf(rec[x] - tmpL[y + 1]); |
| 400 | int edgeType = signDown + upBuff1[x] + 2; |
| 401 | upBuff1[x - 1] = -signDown; |
| 402 | rec[x] = m_clipTable[rec[x] + m_offsetEo[edgeType]]; |
| 403 | for (x = startX + 1; x < endX; x++) |
| 404 | { |
| 405 | signDown = signOf(rec[x] - rec[x + stride - 1]); |
| 406 | edgeType = signDown + upBuff1[x] + 2; |
| 407 | upBuff1[x - 1] = -signDown; |
| 408 | rec[x] = m_clipTable[rec[x] + m_offsetEo[edgeType]]; |
| 409 | } |
| 410 | |
| 411 | upBuff1[endX - 1] = signOf(rec[endX - 1 + stride] - rec[endX]); |
| 412 | |
| 413 | rec += stride; |
| 414 | } |
| 415 | |
| 416 | break; |
| 417 | } |
| 418 | case SAO_BO: |
| 419 | { |
| 420 | const pixel* offsetBo = m_offsetBo; |
| 421 | |
| 422 | for (y = 0; y < ctuHeight; y++) |
| 423 | { |
| 424 | for (x = 0; x < ctuWidth; x++) |
| 425 | rec[x] = offsetBo[rec[x]]; |
| 426 | |
| 427 | rec += stride; |
| 428 | } |
| 429 | |
| 430 | break; |
| 431 | } |
| 432 | default: break; |
| 433 | } |
| 434 | |
| 435 | // if (iSaoType!=SAO_BO_0 || iSaoType!=SAO_BO_1) |
| 436 | std::swap(m_tmpL1, m_tmpL2); |
| 437 | } |
| 438 | |
| 439 | /* Process SAO all units */ |
| 440 | void SAO::processSaoUnitRow(SaoCtuParam* ctuParam, int idxY, int plane) |
| 441 | { |
| 442 | intptr_t stride = plane ? m_frame->m_reconPic->m_strideC : m_frame->m_reconPic->m_stride; |
| 443 | uint32_t picWidth = m_param->sourceWidth; |
| 444 | int ctuWidth = g_maxCUSize; |
| 445 | int ctuHeight = g_maxCUSize; |
| 446 | if (plane) |
| 447 | { |
| 448 | picWidth >>= m_hChromaShift; |
| 449 | ctuWidth >>= m_hChromaShift; |
| 450 | ctuHeight >>= m_vChromaShift; |
| 451 | } |
| 452 | |
| 453 | if (!idxY) |
| 454 | { |
| 455 | pixel* rec = m_frame->m_reconPic->m_picOrg[plane]; |
| 456 | memcpy(m_tmpU1[plane], rec, sizeof(pixel) * picWidth); |
| 457 | } |
| 458 | |
| 459 | int addr = idxY * m_numCuInWidth; |
| 460 | pixel* rec = plane ? m_frame->m_reconPic->getChromaAddr(plane, addr) : m_frame->m_reconPic->getLumaAddr(addr); |
| 461 | |
| 462 | for (int i = 0; i < ctuHeight + 1; i++) |
| 463 | { |
| 464 | m_tmpL1[i] = rec[0]; |
| 465 | rec += stride; |
| 466 | } |
| 467 | |
| 468 | rec -= (stride << 1); |
| 469 | |
| 470 | memcpy(m_tmpU2[plane], rec, sizeof(pixel) * picWidth); |
| 471 | |
| 472 | const int boShift = X265_DEPTH - SAO_BO_BITS; |
| 473 | |
| 474 | for (int idxX = 0; idxX < m_numCuInWidth; idxX++) |
| 475 | { |
| 476 | addr = idxY * m_numCuInWidth + idxX; |
| 477 | |
| 478 | bool mergeLeftFlag = ctuParam[addr].mergeMode == SAO_MERGE_LEFT; |
| 479 | int typeIdx = ctuParam[addr].typeIdx; |
| 480 | |
| 481 | if (typeIdx >= 0) |
| 482 | { |
| 483 | if (!mergeLeftFlag) |
| 484 | { |
| 485 | if (typeIdx == SAO_BO) |
| 486 | { |
| 487 | pixel* offsetBo = m_offsetBo; |
| 488 | int offset[SAO_NUM_BO_CLASSES]; |
| 489 | memset(offset, 0, sizeof(offset)); |
| 490 | |
| 491 | for (int i = 0; i < SAO_NUM_OFFSET; i++) |
| 492 | offset[((ctuParam[addr].bandPos + i) & (SAO_NUM_BO_CLASSES - 1))] = ctuParam[addr].offset[i] << SAO_BIT_INC; |
| 493 | |
| 494 | for (int i = 0; i < (1 << X265_DEPTH); i++) |
| 495 | offsetBo[i] = m_clipTable[i + offset[i >> boShift]]; |
| 496 | } |
| 497 | else // if (typeIdx == SAO_EO_0 || typeIdx == SAO_EO_1 || typeIdx == SAO_EO_2 || typeIdx == SAO_EO_3) |
| 498 | { |
| 499 | int offset[NUM_EDGETYPE]; |
| 500 | offset[0] = 0; |
| 501 | for (int i = 0; i < SAO_NUM_OFFSET; i++) |
| 502 | offset[i + 1] = ctuParam[addr].offset[i] << SAO_BIT_INC; |
| 503 | |
| 504 | for (int edgeType = 0; edgeType < NUM_EDGETYPE; edgeType++) |
| 505 | m_offsetEo[edgeType] = (int8_t)offset[s_eoTable[edgeType]]; |
| 506 | } |
| 507 | } |
| 508 | processSaoCu(addr, typeIdx, plane); |
| 509 | } |
| 510 | else if (idxX != (m_numCuInWidth - 1)) |
| 511 | { |
| 512 | rec = plane ? m_frame->m_reconPic->getChromaAddr(plane, addr) : m_frame->m_reconPic->getLumaAddr(addr); |
| 513 | |
| 514 | for (int i = 0; i < ctuHeight + 1; i++) |
| 515 | { |
| 516 | m_tmpL1[i] = rec[ctuWidth - 1]; |
| 517 | rec += stride; |
| 518 | } |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | std::swap(m_tmpU1[plane], m_tmpU2[plane]); |
| 523 | } |
| 524 | |
| 525 | void SAO::resetSaoUnit(SaoCtuParam* saoUnit) |
| 526 | { |
| 527 | saoUnit->mergeMode = SAO_MERGE_NONE; |
| 528 | saoUnit->typeIdx = -1; |
| 529 | saoUnit->bandPos = 0; |
| 530 | |
| 531 | for (int i = 0; i < SAO_NUM_OFFSET; i++) |
| 532 | saoUnit->offset[i] = 0; |
| 533 | } |
| 534 | |
| 535 | void SAO::copySaoUnit(SaoCtuParam* saoUnitDst, const SaoCtuParam* saoUnitSrc) |
| 536 | { |
| 537 | saoUnitDst->mergeMode = saoUnitSrc->mergeMode; |
| 538 | saoUnitDst->typeIdx = saoUnitSrc->typeIdx; |
| 539 | saoUnitDst->bandPos = saoUnitSrc->bandPos; |
| 540 | |
| 541 | for (int i = 0; i < SAO_NUM_OFFSET; i++) |
| 542 | saoUnitDst->offset[i] = saoUnitSrc->offset[i]; |
| 543 | } |
| 544 | |
| 545 | /* Calculate SAO statistics for current CTU without non-crossing slice */ |
| 546 | void SAO::calcSaoStatsCu(int addr, int plane) |
| 547 | { |
| 548 | int x, y; |
| 549 | const CUData* cu = m_frame->m_encData->getPicCTU(addr); |
| 550 | const pixel* fenc0 = m_frame->m_fencPic->getPlaneAddr(plane, addr); |
| 551 | const pixel* rec0 = m_frame->m_reconPic->getPlaneAddr(plane, addr); |
| 552 | const pixel* fenc; |
| 553 | const pixel* rec; |
| 554 | intptr_t stride = plane ? m_frame->m_reconPic->m_strideC : m_frame->m_reconPic->m_stride; |
| 555 | uint32_t picWidth = m_param->sourceWidth; |
| 556 | uint32_t picHeight = m_param->sourceHeight; |
| 557 | int ctuWidth = g_maxCUSize; |
| 558 | int ctuHeight = g_maxCUSize; |
| 559 | uint32_t lpelx = cu->m_cuPelX; |
| 560 | uint32_t tpely = cu->m_cuPelY; |
| 561 | if (plane) |
| 562 | { |
| 563 | picWidth >>= m_hChromaShift; |
| 564 | picHeight >>= m_vChromaShift; |
| 565 | ctuWidth >>= m_hChromaShift; |
| 566 | ctuHeight >>= m_vChromaShift; |
| 567 | lpelx >>= m_hChromaShift; |
| 568 | tpely >>= m_vChromaShift; |
| 569 | } |
| 570 | uint32_t rpelx = x265_min(lpelx + ctuWidth, picWidth); |
| 571 | uint32_t bpely = x265_min(tpely + ctuHeight, picHeight); |
| 572 | ctuWidth = rpelx - lpelx; |
| 573 | ctuHeight = bpely - tpely; |
| 574 | |
| 575 | int startX; |
| 576 | int startY; |
| 577 | int endX; |
| 578 | int endY; |
| 579 | int32_t* stats; |
| 580 | int32_t* count; |
| 581 | |
| 582 | int skipB = plane ? 2 : 4; |
| 583 | int skipR = plane ? 3 : 5; |
| 584 | |
| 585 | int32_t _upBuff1[MAX_CU_SIZE + 2], *upBuff1 = _upBuff1 + 1; |
| 586 | int32_t _upBufft[MAX_CU_SIZE + 2], *upBufft = _upBufft + 1; |
| 587 | |
| 588 | // SAO_BO: |
| 589 | { |
| 590 | const int boShift = X265_DEPTH - SAO_BO_BITS; |
| 591 | |
| 592 | if (m_param->bSaoNonDeblocked) |
| 593 | { |
| 594 | skipB = plane ? 1 : 3; |
| 595 | skipR = plane ? 2 : 4; |
| 596 | } |
| 597 | stats = m_offsetOrg[plane][SAO_BO]; |
| 598 | count = m_count[plane][SAO_BO]; |
| 599 | |
| 600 | fenc = fenc0; |
| 601 | rec = rec0; |
| 602 | |
| 603 | endX = (rpelx == picWidth) ? ctuWidth : ctuWidth - skipR; |
| 604 | endY = (bpely == picHeight) ? ctuHeight : ctuHeight - skipB; |
| 605 | |
| 606 | for (y = 0; y < endY; y++) |
| 607 | { |
| 608 | for (x = 0; x < endX; x++) |
| 609 | { |
| 610 | int classIdx = 1 + (rec[x] >> boShift); |
| 611 | stats[classIdx] += (fenc[x] - rec[x]); |
| 612 | count[classIdx]++; |
| 613 | } |
| 614 | |
| 615 | fenc += stride; |
| 616 | rec += stride; |
| 617 | } |
| 618 | } |
| 619 | |
| 620 | { |
| 621 | // SAO_EO_0: // dir: - |
| 622 | { |
| 623 | if (m_param->bSaoNonDeblocked) |
| 624 | { |
| 625 | skipB = plane ? 1 : 3; |
| 626 | skipR = plane ? 3 : 5; |
| 627 | } |
| 628 | stats = m_offsetOrg[plane][SAO_EO_0]; |
| 629 | count = m_count[plane][SAO_EO_0]; |
| 630 | |
| 631 | fenc = fenc0; |
| 632 | rec = rec0; |
| 633 | |
| 634 | startX = !lpelx; |
| 635 | endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth - skipR; |
| 636 | for (y = 0; y < ctuHeight - skipB; y++) |
| 637 | { |
| 638 | int signLeft = signOf(rec[startX] - rec[startX - 1]); |
| 639 | for (x = startX; x < endX; x++) |
| 640 | { |
| 641 | int signRight = signOf(rec[x] - rec[x + 1]); |
| 642 | int edgeType = signRight + signLeft + 2; |
| 643 | signLeft = -signRight; |
| 644 | |
| 645 | stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]); |
| 646 | count[s_eoTable[edgeType]]++; |
| 647 | } |
| 648 | |
| 649 | fenc += stride; |
| 650 | rec += stride; |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | // SAO_EO_1: // dir: | |
| 655 | { |
| 656 | if (m_param->bSaoNonDeblocked) |
| 657 | { |
| 658 | skipB = plane ? 2 : 4; |
| 659 | skipR = plane ? 2 : 4; |
| 660 | } |
| 661 | stats = m_offsetOrg[plane][SAO_EO_1]; |
| 662 | count = m_count[plane][SAO_EO_1]; |
| 663 | |
| 664 | fenc = fenc0; |
| 665 | rec = rec0; |
| 666 | |
| 667 | startY = !tpely; |
| 668 | endX = (rpelx == picWidth) ? ctuWidth : ctuWidth - skipR; |
| 669 | endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight - skipB; |
| 670 | if (!tpely) |
| 671 | { |
| 672 | fenc += stride; |
| 673 | rec += stride; |
| 674 | } |
| 675 | |
| 676 | for (x = 0; x < ctuWidth; x++) |
| 677 | upBuff1[x] = signOf(rec[x] - rec[x - stride]); |
| 678 | |
| 679 | for (y = startY; y < endY; y++) |
| 680 | { |
| 681 | for (x = 0; x < endX; x++) |
| 682 | { |
| 683 | int signDown = signOf(rec[x] - rec[x + stride]); |
| 684 | int edgeType = signDown + upBuff1[x] + 2; |
| 685 | upBuff1[x] = -signDown; |
| 686 | |
| 687 | stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]); |
| 688 | count[s_eoTable[edgeType]]++; |
| 689 | } |
| 690 | |
| 691 | fenc += stride; |
| 692 | rec += stride; |
| 693 | } |
| 694 | } |
| 695 | |
| 696 | // SAO_EO_2: // dir: 135 |
| 697 | { |
| 698 | if (m_param->bSaoNonDeblocked) |
| 699 | { |
| 700 | skipB = plane ? 2 : 4; |
| 701 | skipR = plane ? 3 : 5; |
| 702 | } |
| 703 | stats = m_offsetOrg[plane][SAO_EO_2]; |
| 704 | count = m_count[plane][SAO_EO_2]; |
| 705 | |
| 706 | fenc = fenc0; |
| 707 | rec = rec0; |
| 708 | |
| 709 | startX = !lpelx; |
| 710 | endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth - skipR; |
| 711 | |
| 712 | startY = !tpely; |
| 713 | endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight - skipB; |
| 714 | if (!tpely) |
| 715 | { |
| 716 | fenc += stride; |
| 717 | rec += stride; |
| 718 | } |
| 719 | |
| 720 | for (x = startX; x < endX; x++) |
| 721 | upBuff1[x] = signOf(rec[x] - rec[x - stride - 1]); |
| 722 | |
| 723 | for (y = startY; y < endY; y++) |
| 724 | { |
| 725 | upBufft[startX] = signOf(rec[startX + stride] - rec[startX - 1]); |
| 726 | for (x = startX; x < endX; x++) |
| 727 | { |
| 728 | int signDown = signOf(rec[x] - rec[x + stride + 1]); |
| 729 | int edgeType = signDown + upBuff1[x] + 2; |
| 730 | upBufft[x + 1] = -signDown; |
| 731 | stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]); |
| 732 | count[s_eoTable[edgeType]]++; |
| 733 | } |
| 734 | |
| 735 | std::swap(upBuff1, upBufft); |
| 736 | |
| 737 | rec += stride; |
| 738 | fenc += stride; |
| 739 | } |
| 740 | } |
| 741 | |
| 742 | // SAO_EO_3: // dir: 45 |
| 743 | { |
| 744 | if (m_param->bSaoNonDeblocked) |
| 745 | { |
| 746 | skipB = plane ? 2 : 4; |
| 747 | skipR = plane ? 3 : 5; |
| 748 | } |
| 749 | stats = m_offsetOrg[plane][SAO_EO_3]; |
| 750 | count = m_count[plane][SAO_EO_3]; |
| 751 | |
| 752 | fenc = fenc0; |
| 753 | rec = rec0; |
| 754 | |
| 755 | startX = !lpelx; |
| 756 | endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth - skipR; |
| 757 | |
| 758 | startY = !tpely; |
| 759 | endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight - skipB; |
| 760 | |
| 761 | if (!tpely) |
| 762 | { |
| 763 | fenc += stride; |
| 764 | rec += stride; |
| 765 | } |
| 766 | |
| 767 | for (x = startX - 1; x < endX; x++) |
| 768 | upBuff1[x] = signOf(rec[x] - rec[x - stride + 1]); |
| 769 | |
| 770 | for (y = startY; y < endY; y++) |
| 771 | { |
| 772 | for (x = startX; x < endX; x++) |
| 773 | { |
| 774 | int signDown = signOf(rec[x] - rec[x + stride - 1]); |
| 775 | int edgeType = signDown + upBuff1[x] + 2; |
| 776 | upBuff1[x - 1] = -signDown; |
| 777 | stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]); |
| 778 | count[s_eoTable[edgeType]]++; |
| 779 | } |
| 780 | |
| 781 | upBuff1[endX - 1] = signOf(rec[endX - 1 + stride] - rec[endX]); |
| 782 | |
| 783 | rec += stride; |
| 784 | fenc += stride; |
| 785 | } |
| 786 | } |
| 787 | } |
| 788 | } |
| 789 | |
| 790 | void SAO::calcSaoStatsCu_BeforeDblk(Frame* frame, int idxX, int idxY) |
| 791 | { |
| 792 | int addr = idxX + m_numCuInWidth * idxY; |
| 793 | |
| 794 | int x, y; |
| 795 | const CUData* cu = frame->m_encData->getPicCTU(addr); |
| 796 | const pixel* fenc; |
| 797 | const pixel* rec; |
| 798 | intptr_t stride = m_frame->m_reconPic->m_stride; |
| 799 | uint32_t picWidth = m_param->sourceWidth; |
| 800 | uint32_t picHeight = m_param->sourceHeight; |
| 801 | int ctuWidth = g_maxCUSize; |
| 802 | int ctuHeight = g_maxCUSize; |
| 803 | uint32_t lpelx = cu->m_cuPelX; |
| 804 | uint32_t tpely = cu->m_cuPelY; |
| 805 | uint32_t rpelx = x265_min(lpelx + ctuWidth, picWidth); |
| 806 | uint32_t bpely = x265_min(tpely + ctuHeight, picHeight); |
| 807 | ctuWidth = rpelx - lpelx; |
| 808 | ctuHeight = bpely - tpely; |
| 809 | |
| 810 | int startX; |
| 811 | int startY; |
| 812 | int endX; |
| 813 | int endY; |
| 814 | int firstX, firstY; |
| 815 | int32_t* stats; |
| 816 | int32_t* count; |
| 817 | |
| 818 | int skipB, skipR; |
| 819 | |
| 820 | int32_t _upBuff1[MAX_CU_SIZE + 2], *upBuff1 = _upBuff1 + 1; |
| 821 | int32_t _upBufft[MAX_CU_SIZE + 2], *upBufft = _upBufft + 1; |
| 822 | |
| 823 | const int boShift = X265_DEPTH - SAO_BO_BITS; |
| 824 | |
| 825 | memset(m_countPreDblk[addr], 0, sizeof(PerPlane)); |
| 826 | memset(m_offsetOrgPreDblk[addr], 0, sizeof(PerPlane)); |
| 827 | |
| 828 | for (int plane = 0; plane < NUM_PLANE; plane++) |
| 829 | { |
| 830 | if (plane == 1) |
| 831 | { |
| 832 | stride = frame->m_reconPic->m_strideC; |
| 833 | picWidth >>= m_hChromaShift; |
| 834 | picHeight >>= m_vChromaShift; |
| 835 | ctuWidth >>= m_hChromaShift; |
| 836 | ctuHeight >>= m_vChromaShift; |
| 837 | lpelx >>= m_hChromaShift; |
| 838 | tpely >>= m_vChromaShift; |
| 839 | rpelx >>= m_hChromaShift; |
| 840 | bpely >>= m_vChromaShift; |
| 841 | } |
| 842 | |
| 843 | // SAO_BO: |
| 844 | |
| 845 | skipB = plane ? 1 : 3; |
| 846 | skipR = plane ? 2 : 4; |
| 847 | |
| 848 | stats = m_offsetOrgPreDblk[addr][plane][SAO_BO]; |
| 849 | count = m_countPreDblk[addr][plane][SAO_BO]; |
| 850 | |
| 851 | const pixel* fenc0 = m_frame->m_fencPic->getPlaneAddr(plane, addr); |
| 852 | const pixel* rec0 = m_frame->m_reconPic->getPlaneAddr(plane, addr); |
| 853 | fenc = fenc0; |
| 854 | rec = rec0; |
| 855 | |
| 856 | startX = (rpelx == picWidth) ? ctuWidth : ctuWidth - skipR; |
| 857 | startY = (bpely == picHeight) ? ctuHeight : ctuHeight - skipB; |
| 858 | |
| 859 | for (y = 0; y < ctuHeight; y++) |
| 860 | { |
| 861 | for (x = (y < startY ? startX : 0); x < ctuWidth; x++) |
| 862 | { |
| 863 | int classIdx = 1 + (rec[x] >> boShift); |
| 864 | stats[classIdx] += (fenc[x] - rec[x]); |
| 865 | count[classIdx]++; |
| 866 | } |
| 867 | |
| 868 | fenc += stride; |
| 869 | rec += stride; |
| 870 | } |
| 871 | |
| 872 | // SAO_EO_0: // dir: - |
| 873 | { |
| 874 | skipB = plane ? 1 : 3; |
| 875 | skipR = plane ? 3 : 5; |
| 876 | |
| 877 | stats = m_offsetOrgPreDblk[addr][plane][SAO_EO_0]; |
| 878 | count = m_countPreDblk[addr][plane][SAO_EO_0]; |
| 879 | |
| 880 | fenc = fenc0; |
| 881 | rec = rec0; |
| 882 | |
| 883 | startX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth - skipR; |
| 884 | startY = (bpely == picHeight) ? ctuHeight : ctuHeight - skipB; |
| 885 | firstX = !lpelx; |
| 886 | // endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth; |
| 887 | endX = ctuWidth - 1; // not refer right CTU |
| 888 | |
| 889 | for (y = 0; y < ctuHeight; y++) |
| 890 | { |
| 891 | x = (y < startY ? startX : firstX); |
| 892 | int signLeft = signOf(rec[x] - rec[x - 1]); |
| 893 | for (; x < endX; x++) |
| 894 | { |
| 895 | int signRight = signOf(rec[x] - rec[x + 1]); |
| 896 | int edgeType = signRight + signLeft + 2; |
| 897 | signLeft = -signRight; |
| 898 | |
| 899 | stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]); |
| 900 | count[s_eoTable[edgeType]]++; |
| 901 | } |
| 902 | |
| 903 | fenc += stride; |
| 904 | rec += stride; |
| 905 | } |
| 906 | } |
| 907 | |
| 908 | // SAO_EO_1: // dir: | |
| 909 | { |
| 910 | skipB = plane ? 2 : 4; |
| 911 | skipR = plane ? 2 : 4; |
| 912 | |
| 913 | stats = m_offsetOrgPreDblk[addr][plane][SAO_EO_1]; |
| 914 | count = m_countPreDblk[addr][plane][SAO_EO_1]; |
| 915 | |
| 916 | fenc = fenc0; |
| 917 | rec = rec0; |
| 918 | |
| 919 | startX = (rpelx == picWidth) ? ctuWidth : ctuWidth - skipR; |
| 920 | startY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight - skipB; |
| 921 | firstY = !tpely; |
| 922 | // endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight; |
| 923 | endY = ctuHeight - 1; // not refer below CTU |
| 924 | if (!tpely) |
| 925 | { |
| 926 | fenc += stride; |
| 927 | rec += stride; |
| 928 | } |
| 929 | |
| 930 | for (x = startX; x < ctuWidth; x++) |
| 931 | upBuff1[x] = signOf(rec[x] - rec[x - stride]); |
| 932 | |
| 933 | for (y = firstY; y < endY; y++) |
| 934 | { |
| 935 | for (x = (y < startY - 1 ? startX : 0); x < ctuWidth; x++) |
| 936 | { |
| 937 | int signDown = signOf(rec[x] - rec[x + stride]); |
| 938 | int edgeType = signDown + upBuff1[x] + 2; |
| 939 | upBuff1[x] = -signDown; |
| 940 | |
| 941 | if (x < startX && y < startY) |
| 942 | continue; |
| 943 | |
| 944 | stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]); |
| 945 | count[s_eoTable[edgeType]]++; |
| 946 | } |
| 947 | |
| 948 | fenc += stride; |
| 949 | rec += stride; |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | // SAO_EO_2: // dir: 135 |
| 954 | { |
| 955 | skipB = plane ? 2 : 4; |
| 956 | skipR = plane ? 3 : 5; |
| 957 | |
| 958 | stats = m_offsetOrgPreDblk[addr][plane][SAO_EO_2]; |
| 959 | count = m_countPreDblk[addr][plane][SAO_EO_2]; |
| 960 | |
| 961 | fenc = fenc0; |
| 962 | rec = rec0; |
| 963 | |
| 964 | startX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth - skipR; |
| 965 | startY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight - skipB; |
| 966 | firstX = !lpelx; |
| 967 | firstY = !tpely; |
| 968 | // endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth; |
| 969 | // endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight; |
| 970 | endX = ctuWidth - 1; // not refer right CTU |
| 971 | endY = ctuHeight - 1; // not refer below CTU |
| 972 | if (!tpely) |
| 973 | { |
| 974 | fenc += stride; |
| 975 | rec += stride; |
| 976 | } |
| 977 | |
| 978 | for (x = startX; x < endX; x++) |
| 979 | upBuff1[x] = signOf(rec[x] - rec[x - stride - 1]); |
| 980 | |
| 981 | for (y = firstY; y < endY; y++) |
| 982 | { |
| 983 | x = (y < startY - 1 ? startX : firstX); |
| 984 | upBufft[x] = signOf(rec[x + stride] - rec[x - 1]); |
| 985 | for (; x < endX; x++) |
| 986 | { |
| 987 | int signDown = signOf(rec[x] - rec[x + stride + 1]); |
| 988 | int edgeType = signDown + upBuff1[x] + 2; |
| 989 | upBufft[x + 1] = -signDown; |
| 990 | |
| 991 | if (x < startX && y < startY) |
| 992 | continue; |
| 993 | |
| 994 | stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]); |
| 995 | count[s_eoTable[edgeType]]++; |
| 996 | } |
| 997 | |
| 998 | std::swap(upBuff1, upBufft); |
| 999 | |
| 1000 | rec += stride; |
| 1001 | fenc += stride; |
| 1002 | } |
| 1003 | } |
| 1004 | |
| 1005 | // SAO_EO_3: // dir: 45 |
| 1006 | { |
| 1007 | skipB = plane ? 2 : 4; |
| 1008 | skipR = plane ? 3 : 5; |
| 1009 | |
| 1010 | stats = m_offsetOrgPreDblk[addr][plane][SAO_EO_3]; |
| 1011 | count = m_countPreDblk[addr][plane][SAO_EO_3]; |
| 1012 | |
| 1013 | fenc = fenc0; |
| 1014 | rec = rec0; |
| 1015 | |
| 1016 | startX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth - skipR; |
| 1017 | startY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight - skipB; |
| 1018 | firstX = !lpelx; |
| 1019 | firstY = !tpely; |
| 1020 | // endX = (rpelx == picWidth) ? ctuWidth - 1 : ctuWidth; |
| 1021 | // endY = (bpely == picHeight) ? ctuHeight - 1 : ctuHeight; |
| 1022 | endX = ctuWidth - 1; // not refer right CTU |
| 1023 | endY = ctuHeight - 1; // not refer below CTU |
| 1024 | if (!tpely) |
| 1025 | { |
| 1026 | fenc += stride; |
| 1027 | rec += stride; |
| 1028 | } |
| 1029 | |
| 1030 | for (x = startX - 1; x < endX; x++) |
| 1031 | upBuff1[x] = signOf(rec[x] - rec[x - stride + 1]); |
| 1032 | |
| 1033 | for (y = firstY; y < endY; y++) |
| 1034 | { |
| 1035 | for (x = (y < startY - 1 ? startX : firstX); x < endX; x++) |
| 1036 | { |
| 1037 | int signDown = signOf(rec[x] - rec[x + stride - 1]); |
| 1038 | int edgeType = signDown + upBuff1[x] + 2; |
| 1039 | upBuff1[x - 1] = -signDown; |
| 1040 | |
| 1041 | if (x < startX && y < startY) |
| 1042 | continue; |
| 1043 | |
| 1044 | stats[s_eoTable[edgeType]] += (fenc[x] - rec[x]); |
| 1045 | count[s_eoTable[edgeType]]++; |
| 1046 | } |
| 1047 | |
| 1048 | upBuff1[endX - 1] = signOf(rec[endX - 1 + stride] - rec[endX]); |
| 1049 | |
| 1050 | rec += stride; |
| 1051 | fenc += stride; |
| 1052 | } |
| 1053 | } |
| 1054 | } |
| 1055 | } |
| 1056 | |
| 1057 | /* reset offset statistics */ |
| 1058 | void SAO::resetStats() |
| 1059 | { |
| 1060 | memset(m_count, 0, sizeof(PerClass) * NUM_PLANE); |
| 1061 | memset(m_offset, 0, sizeof(PerClass) * NUM_PLANE); |
| 1062 | memset(m_offsetOrg, 0, sizeof(PerClass) * NUM_PLANE); |
| 1063 | } |
| 1064 | |
| 1065 | void SAO::rdoSaoUnitRowInit(SAOParam* saoParam) |
| 1066 | { |
| 1067 | saoParam->bSaoFlag[0] = true; |
| 1068 | saoParam->bSaoFlag[1] = true; |
| 1069 | |
| 1070 | m_numNoSao[0] = 0; // Luma |
| 1071 | m_numNoSao[1] = 0; // Chroma |
| 1072 | if (m_refDepth > 0 && m_depthSaoRate[0][m_refDepth - 1] > SAO_ENCODING_RATE) |
| 1073 | saoParam->bSaoFlag[0] = false; |
| 1074 | if (m_refDepth > 0 && m_depthSaoRate[1][m_refDepth - 1] > SAO_ENCODING_RATE_CHROMA) |
| 1075 | saoParam->bSaoFlag[1] = false; |
| 1076 | } |
| 1077 | |
| 1078 | void SAO::rdoSaoUnitRowEnd(const SAOParam* saoParam, int numctus) |
| 1079 | { |
| 1080 | if (!saoParam->bSaoFlag[0]) |
| 1081 | m_depthSaoRate[0][m_refDepth] = 1.0; |
| 1082 | else |
| 1083 | m_depthSaoRate[0][m_refDepth] = m_numNoSao[0] / ((double)numctus); |
| 1084 | |
| 1085 | if (!saoParam->bSaoFlag[1]) |
| 1086 | m_depthSaoRate[1][m_refDepth] = 1.0; |
| 1087 | else |
| 1088 | m_depthSaoRate[1][m_refDepth] = m_numNoSao[1] / ((double)numctus); |
| 1089 | } |
| 1090 | |
| 1091 | void SAO::rdoSaoUnitRow(SAOParam* saoParam, int idxY) |
| 1092 | { |
| 1093 | SaoCtuParam mergeSaoParam[NUM_MERGE_MODE][2]; |
| 1094 | double mergeDist[NUM_MERGE_MODE]; |
| 1095 | bool allowMerge[2]; // left, up |
| 1096 | allowMerge[1] = (idxY > 0); |
| 1097 | |
| 1098 | for (int idxX = 0; idxX < m_numCuInWidth; idxX++) |
| 1099 | { |
| 1100 | int addr = idxX + idxY * m_numCuInWidth; |
| 1101 | int addrUp = idxY ? addr - m_numCuInWidth : -1; |
| 1102 | int addrLeft = idxX ? addr - 1 : -1; |
| 1103 | allowMerge[0] = (idxX > 0); |
| 1104 | |
| 1105 | m_entropyCoder.load(m_rdContexts.cur); |
| 1106 | if (allowMerge[0]) |
| 1107 | m_entropyCoder.codeSaoMerge(0); |
| 1108 | if (allowMerge[1]) |
| 1109 | m_entropyCoder.codeSaoMerge(0); |
| 1110 | m_entropyCoder.store(m_rdContexts.temp); |
| 1111 | // reset stats Y, Cb, Cr |
| 1112 | for (int plane = 0; plane < 3; plane++) |
| 1113 | { |
| 1114 | for (int j = 0; j < MAX_NUM_SAO_TYPE; j++) |
| 1115 | { |
| 1116 | for (int k = 0; k < MAX_NUM_SAO_CLASS; k++) |
| 1117 | { |
| 1118 | m_offset[plane][j][k] = 0; |
| 1119 | if (m_param->bSaoNonDeblocked) |
| 1120 | { |
| 1121 | m_count[plane][j][k] = m_countPreDblk[addr][plane][j][k]; |
| 1122 | m_offsetOrg[plane][j][k] = m_offsetOrgPreDblk[addr][plane][j][k]; |
| 1123 | } |
| 1124 | else |
| 1125 | { |
| 1126 | m_count[plane][j][k] = 0; |
| 1127 | m_offsetOrg[plane][j][k] = 0; |
| 1128 | } |
| 1129 | } |
| 1130 | } |
| 1131 | |
| 1132 | saoParam->ctuParam[plane][addr].mergeMode = SAO_MERGE_NONE; |
| 1133 | saoParam->ctuParam[plane][addr].typeIdx = -1; |
| 1134 | saoParam->ctuParam[plane][addr].bandPos = 0; |
| 1135 | if (saoParam->bSaoFlag[plane > 0]) |
| 1136 | calcSaoStatsCu(addr, plane); |
| 1137 | } |
| 1138 | |
| 1139 | saoComponentParamDist(saoParam, addr, addrUp, addrLeft, &mergeSaoParam[0][0], mergeDist); |
| 1140 | |
| 1141 | sao2ChromaParamDist(saoParam, addr, addrUp, addrLeft, mergeSaoParam, mergeDist); |
| 1142 | |
| 1143 | if (saoParam->bSaoFlag[0] || saoParam->bSaoFlag[1]) |
| 1144 | { |
| 1145 | // Cost of new SAO_params |
| 1146 | m_entropyCoder.load(m_rdContexts.cur); |
| 1147 | m_entropyCoder.resetBits(); |
| 1148 | if (allowMerge[0]) |
| 1149 | m_entropyCoder.codeSaoMerge(0); |
| 1150 | if (allowMerge[1]) |
| 1151 | m_entropyCoder.codeSaoMerge(0); |
| 1152 | for (int plane = 0; plane < 3; plane++) |
| 1153 | { |
| 1154 | if (saoParam->bSaoFlag[plane > 0]) |
| 1155 | m_entropyCoder.codeSaoOffset(saoParam->ctuParam[plane][addr], plane); |
| 1156 | } |
| 1157 | |
| 1158 | uint32_t rate = m_entropyCoder.getNumberOfWrittenBits(); |
| 1159 | double bestCost = mergeDist[0] + (double)rate; |
| 1160 | m_entropyCoder.store(m_rdContexts.temp); |
| 1161 | |
| 1162 | // Cost of Merge |
| 1163 | for (int mergeIdx = 0; mergeIdx < 2; ++mergeIdx) |
| 1164 | { |
| 1165 | if (!allowMerge[mergeIdx]) |
| 1166 | continue; |
| 1167 | |
| 1168 | m_entropyCoder.load(m_rdContexts.cur); |
| 1169 | m_entropyCoder.resetBits(); |
| 1170 | if (allowMerge[0]) |
| 1171 | m_entropyCoder.codeSaoMerge(1 - mergeIdx); |
| 1172 | if (allowMerge[1] && (mergeIdx == 1)) |
| 1173 | m_entropyCoder.codeSaoMerge(1); |
| 1174 | |
| 1175 | rate = m_entropyCoder.getNumberOfWrittenBits(); |
| 1176 | double mergeCost = mergeDist[mergeIdx + 1] + (double)rate; |
| 1177 | if (mergeCost < bestCost) |
| 1178 | { |
| 1179 | SaoMergeMode mergeMode = mergeIdx ? SAO_MERGE_UP : SAO_MERGE_LEFT; |
| 1180 | bestCost = mergeCost; |
| 1181 | m_entropyCoder.store(m_rdContexts.temp); |
| 1182 | for (int plane = 0; plane < 3; plane++) |
| 1183 | { |
| 1184 | mergeSaoParam[plane][mergeIdx].mergeMode = mergeMode; |
| 1185 | if (saoParam->bSaoFlag[plane > 0]) |
| 1186 | copySaoUnit(&saoParam->ctuParam[plane][addr], &mergeSaoParam[plane][mergeIdx]); |
| 1187 | } |
| 1188 | } |
| 1189 | } |
| 1190 | |
| 1191 | if (saoParam->ctuParam[0][addr].typeIdx < 0) |
| 1192 | m_numNoSao[0]++; |
| 1193 | if (saoParam->ctuParam[1][addr].typeIdx < 0) |
| 1194 | m_numNoSao[1]++; |
| 1195 | m_entropyCoder.load(m_rdContexts.temp); |
| 1196 | m_entropyCoder.store(m_rdContexts.cur); |
| 1197 | } |
| 1198 | } |
| 1199 | } |
| 1200 | |
| 1201 | /** rate distortion optimization of SAO unit */ |
| 1202 | inline int64_t SAO::estSaoTypeDist(int plane, int typeIdx, double lambda, int32_t* currentDistortionTableBo, double* currentRdCostTableBo) |
| 1203 | { |
| 1204 | int64_t estDist = 0; |
| 1205 | |
| 1206 | for (int classIdx = 1; classIdx < ((typeIdx < SAO_BO) ? SAO_EO_LEN + 1 : SAO_NUM_BO_CLASSES + 1); classIdx++) |
| 1207 | { |
| 1208 | int32_t count = m_count[plane][typeIdx][classIdx]; |
| 1209 | int32_t& offsetOrg = m_offsetOrg[plane][typeIdx][classIdx]; |
| 1210 | int32_t& offsetOut = m_offset[plane][typeIdx][classIdx]; |
| 1211 | |
| 1212 | if (typeIdx == SAO_BO) |
| 1213 | { |
| 1214 | currentDistortionTableBo[classIdx - 1] = 0; |
| 1215 | currentRdCostTableBo[classIdx - 1] = lambda; |
| 1216 | } |
| 1217 | if (count) |
| 1218 | { |
| 1219 | int offset = roundIBDI(offsetOrg, count << SAO_BIT_INC); |
| 1220 | offset = Clip3(-OFFSET_THRESH + 1, OFFSET_THRESH - 1, offset); |
| 1221 | if (typeIdx < SAO_BO) |
| 1222 | { |
| 1223 | if (classIdx < 3) |
| 1224 | offset = X265_MAX(offset, 0); |
| 1225 | else |
| 1226 | offset = X265_MIN(offset, 0); |
| 1227 | } |
| 1228 | offsetOut = estIterOffset(typeIdx, classIdx, lambda, offset, count, offsetOrg, currentDistortionTableBo, currentRdCostTableBo); |
| 1229 | } |
| 1230 | else |
| 1231 | { |
| 1232 | offsetOrg = 0; |
| 1233 | offsetOut = 0; |
| 1234 | } |
| 1235 | if (typeIdx != SAO_BO) |
| 1236 | estDist += estSaoDist(count, (int)offsetOut << SAO_BIT_INC, offsetOrg); |
| 1237 | } |
| 1238 | |
| 1239 | return estDist; |
| 1240 | } |
| 1241 | |
| 1242 | inline int SAO::estIterOffset(int typeIdx, int classIdx, double lambda, int offset, int32_t count, int32_t offsetOrg, int32_t* currentDistortionTableBo, double* currentRdCostTableBo) |
| 1243 | { |
| 1244 | int offsetOut = 0; |
| 1245 | |
| 1246 | // Assuming sending quantized value 0 results in zero offset and sending the value zero needs 1 bit. entropy coder can be used to measure the exact rate here. |
| 1247 | double tempMinCost = lambda; |
| 1248 | while (offset != 0) |
| 1249 | { |
| 1250 | // Calculate the bits required for signalling the offset |
| 1251 | int tempRate = (typeIdx == SAO_BO) ? (abs(offset) + 2) : (abs(offset) + 1); |
| 1252 | if (abs(offset) == OFFSET_THRESH - 1) |
| 1253 | tempRate--; |
| 1254 | |
| 1255 | // Do the dequntization before distorion calculation |
| 1256 | int tempOffset = offset << SAO_BIT_INC; |
| 1257 | int64_t tempDist = estSaoDist(count, tempOffset, offsetOrg); |
| 1258 | double tempCost = ((double)tempDist + lambda * (double)tempRate); |
| 1259 | if (tempCost < tempMinCost) |
| 1260 | { |
| 1261 | tempMinCost = tempCost; |
| 1262 | offsetOut = offset; |
| 1263 | if (typeIdx == SAO_BO) |
| 1264 | { |
| 1265 | currentDistortionTableBo[classIdx - 1] = (int)tempDist; |
| 1266 | currentRdCostTableBo[classIdx - 1] = tempCost; |
| 1267 | } |
| 1268 | } |
| 1269 | offset = (offset > 0) ? (offset - 1) : (offset + 1); |
| 1270 | } |
| 1271 | |
| 1272 | return offsetOut; |
| 1273 | } |
| 1274 | |
| 1275 | void SAO::saoComponentParamDist(SAOParam* saoParam, int addr, int addrUp, int addrLeft, SaoCtuParam* mergeSaoParam, double* mergeDist) |
| 1276 | { |
| 1277 | int64_t bestDist = 0; |
| 1278 | |
| 1279 | SaoCtuParam* lclCtuParam = &saoParam->ctuParam[0][addr]; |
| 1280 | |
| 1281 | double bestRDCostTableBo = MAX_DOUBLE; |
| 1282 | int bestClassTableBo = 0; |
| 1283 | int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
| 1284 | double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
| 1285 | |
| 1286 | resetSaoUnit(lclCtuParam); |
| 1287 | m_entropyCoder.load(m_rdContexts.temp); |
| 1288 | m_entropyCoder.resetBits(); |
| 1289 | m_entropyCoder.codeSaoOffset(*lclCtuParam, 0); |
| 1290 | double dCostPartBest = m_entropyCoder.getNumberOfWrittenBits() * m_lumaLambda; |
| 1291 | |
| 1292 | for (int typeIdx = 0; typeIdx < MAX_NUM_SAO_TYPE; typeIdx++) |
| 1293 | { |
| 1294 | int64_t estDist = estSaoTypeDist(0, typeIdx, m_lumaLambda, currentDistortionTableBo, currentRdCostTableBo); |
| 1295 | |
| 1296 | if (typeIdx == SAO_BO) |
| 1297 | { |
| 1298 | // Estimate Best Position |
| 1299 | for (int i = 0; i < SAO_NUM_BO_CLASSES - SAO_BO_LEN + 1; i++) |
| 1300 | { |
| 1301 | double currentRDCost = 0.0; |
| 1302 | for (int j = i; j < i + SAO_BO_LEN; j++) |
| 1303 | currentRDCost += currentRdCostTableBo[j]; |
| 1304 | |
| 1305 | if (currentRDCost < bestRDCostTableBo) |
| 1306 | { |
| 1307 | bestRDCostTableBo = currentRDCost; |
| 1308 | bestClassTableBo = i; |
| 1309 | } |
| 1310 | } |
| 1311 | |
| 1312 | // Re code all Offsets |
| 1313 | // Code Center |
| 1314 | estDist = 0; |
| 1315 | for (int classIdx = bestClassTableBo; classIdx < bestClassTableBo + SAO_BO_LEN; classIdx++) |
| 1316 | estDist += currentDistortionTableBo[classIdx]; |
| 1317 | } |
| 1318 | SaoCtuParam ctuParamRdo; |
| 1319 | ctuParamRdo.mergeMode = SAO_MERGE_NONE; |
| 1320 | ctuParamRdo.typeIdx = typeIdx; |
| 1321 | ctuParamRdo.bandPos = (typeIdx == SAO_BO) ? bestClassTableBo : 0; |
| 1322 | for (int classIdx = 0; classIdx < SAO_NUM_OFFSET; classIdx++) |
| 1323 | ctuParamRdo.offset[classIdx] = (int)m_offset[0][typeIdx][classIdx + ctuParamRdo.bandPos + 1]; |
| 1324 | |
| 1325 | m_entropyCoder.load(m_rdContexts.temp); |
| 1326 | m_entropyCoder.resetBits(); |
| 1327 | m_entropyCoder.codeSaoOffset(ctuParamRdo, 0); |
| 1328 | |
| 1329 | uint32_t estRate = m_entropyCoder.getNumberOfWrittenBits(); |
| 1330 | double cost = (double)estDist + m_lumaLambda * (double)estRate; |
| 1331 | |
| 1332 | if (cost < dCostPartBest) |
| 1333 | { |
| 1334 | dCostPartBest = cost; |
| 1335 | copySaoUnit(lclCtuParam, &ctuParamRdo); |
| 1336 | bestDist = estDist; |
| 1337 | } |
| 1338 | } |
| 1339 | |
| 1340 | mergeDist[0] = ((double)bestDist / m_lumaLambda); |
| 1341 | m_entropyCoder.load(m_rdContexts.temp); |
| 1342 | m_entropyCoder.codeSaoOffset(*lclCtuParam, 0); |
| 1343 | m_entropyCoder.store(m_rdContexts.temp); |
| 1344 | |
| 1345 | // merge left or merge up |
| 1346 | |
| 1347 | for (int mergeIdx = 0; mergeIdx < 2; mergeIdx++) |
| 1348 | { |
| 1349 | SaoCtuParam* mergeSrcParam = NULL; |
| 1350 | if (addrLeft >= 0 && mergeIdx == 0) |
| 1351 | mergeSrcParam = &(saoParam->ctuParam[0][addrLeft]); |
| 1352 | else if (addrUp >= 0 && mergeIdx == 1) |
| 1353 | mergeSrcParam = &(saoParam->ctuParam[0][addrUp]); |
| 1354 | if (mergeSrcParam) |
| 1355 | { |
| 1356 | int64_t estDist = 0; |
| 1357 | int typeIdx = mergeSrcParam->typeIdx; |
| 1358 | if (typeIdx >= 0) |
| 1359 | { |
| 1360 | int bandPos = (typeIdx == SAO_BO) ? mergeSrcParam->bandPos : 0; |
| 1361 | for (int classIdx = 0; classIdx < SAO_NUM_OFFSET; classIdx++) |
| 1362 | { |
| 1363 | int mergeOffset = mergeSrcParam->offset[classIdx]; |
| 1364 | estDist += estSaoDist(m_count[0][typeIdx][classIdx + bandPos + 1], mergeOffset, m_offsetOrg[0][typeIdx][classIdx + bandPos + 1]); |
| 1365 | } |
| 1366 | } |
| 1367 | |
| 1368 | copySaoUnit(&mergeSaoParam[mergeIdx], mergeSrcParam); |
| 1369 | mergeSaoParam[mergeIdx].mergeMode = mergeIdx ? SAO_MERGE_UP : SAO_MERGE_LEFT; |
| 1370 | |
| 1371 | mergeDist[mergeIdx + 1] = ((double)estDist / m_lumaLambda); |
| 1372 | } |
| 1373 | else |
| 1374 | resetSaoUnit(&mergeSaoParam[mergeIdx]); |
| 1375 | } |
| 1376 | } |
| 1377 | |
| 1378 | void SAO::sao2ChromaParamDist(SAOParam* saoParam, int addr, int addrUp, int addrLeft, SaoCtuParam mergeSaoParam[][2], double* mergeDist) |
| 1379 | { |
| 1380 | int64_t bestDist = 0; |
| 1381 | |
| 1382 | SaoCtuParam* lclCtuParam[2] = { &saoParam->ctuParam[1][addr], &saoParam->ctuParam[2][addr] }; |
| 1383 | |
| 1384 | double currentRdCostTableBo[MAX_NUM_SAO_CLASS]; |
| 1385 | int bestClassTableBo[2] = { 0, 0 }; |
| 1386 | int currentDistortionTableBo[MAX_NUM_SAO_CLASS]; |
| 1387 | |
| 1388 | resetSaoUnit(lclCtuParam[0]); |
| 1389 | resetSaoUnit(lclCtuParam[1]); |
| 1390 | m_entropyCoder.load(m_rdContexts.temp); |
| 1391 | m_entropyCoder.resetBits(); |
| 1392 | m_entropyCoder.codeSaoOffset(*lclCtuParam[0], 1); |
| 1393 | m_entropyCoder.codeSaoOffset(*lclCtuParam[1], 2); |
| 1394 | |
| 1395 | double costPartBest = m_entropyCoder.getNumberOfWrittenBits() * m_chromaLambda; |
| 1396 | |
| 1397 | for (int typeIdx = 0; typeIdx < MAX_NUM_SAO_TYPE; typeIdx++) |
| 1398 | { |
| 1399 | int64_t estDist[2]; |
| 1400 | if (typeIdx == SAO_BO) |
| 1401 | { |
| 1402 | // Estimate Best Position |
| 1403 | for (int compIdx = 0; compIdx < 2; compIdx++) |
| 1404 | { |
| 1405 | double bestRDCostTableBo = MAX_DOUBLE; |
| 1406 | estDist[compIdx] = estSaoTypeDist(compIdx + 1, typeIdx, m_chromaLambda, currentDistortionTableBo, currentRdCostTableBo); |
| 1407 | for (int i = 0; i < SAO_NUM_BO_CLASSES - SAO_BO_LEN + 1; i++) |
| 1408 | { |
| 1409 | double currentRDCost = 0.0; |
| 1410 | for (int j = i; j < i + SAO_BO_LEN; j++) |
| 1411 | currentRDCost += currentRdCostTableBo[j]; |
| 1412 | |
| 1413 | if (currentRDCost < bestRDCostTableBo) |
| 1414 | { |
| 1415 | bestRDCostTableBo = currentRDCost; |
| 1416 | bestClassTableBo[compIdx] = i; |
| 1417 | } |
| 1418 | } |
| 1419 | |
| 1420 | // Re code all Offsets |
| 1421 | // Code Center |
| 1422 | estDist[compIdx] = 0; |
| 1423 | for (int classIdx = bestClassTableBo[compIdx]; classIdx < bestClassTableBo[compIdx] + SAO_BO_LEN; classIdx++) |
| 1424 | estDist[compIdx] += currentDistortionTableBo[classIdx]; |
| 1425 | } |
| 1426 | } |
| 1427 | else |
| 1428 | { |
| 1429 | estDist[0] = estSaoTypeDist(1, typeIdx, m_chromaLambda, currentDistortionTableBo, currentRdCostTableBo); |
| 1430 | estDist[1] = estSaoTypeDist(2, typeIdx, m_chromaLambda, currentDistortionTableBo, currentRdCostTableBo); |
| 1431 | } |
| 1432 | |
| 1433 | m_entropyCoder.load(m_rdContexts.temp); |
| 1434 | m_entropyCoder.resetBits(); |
| 1435 | |
| 1436 | SaoCtuParam ctuParamRdo[2]; |
| 1437 | for (int compIdx = 0; compIdx < 2; compIdx++) |
| 1438 | { |
| 1439 | ctuParamRdo[compIdx].mergeMode = SAO_MERGE_NONE; |
| 1440 | ctuParamRdo[compIdx].typeIdx = typeIdx; |
| 1441 | ctuParamRdo[compIdx].bandPos = (typeIdx == SAO_BO) ? bestClassTableBo[compIdx] : 0; |
| 1442 | for (int classIdx = 0; classIdx < SAO_NUM_OFFSET; classIdx++) |
| 1443 | ctuParamRdo[compIdx].offset[classIdx] = (int)m_offset[compIdx + 1][typeIdx][classIdx + ctuParamRdo[compIdx].bandPos + 1]; |
| 1444 | |
| 1445 | m_entropyCoder.codeSaoOffset(ctuParamRdo[compIdx], compIdx + 1); |
| 1446 | } |
| 1447 | |
| 1448 | uint32_t estRate = m_entropyCoder.getNumberOfWrittenBits(); |
| 1449 | double cost = (double)(estDist[0] + estDist[1]) + m_chromaLambda * (double)estRate; |
| 1450 | |
| 1451 | if (cost < costPartBest) |
| 1452 | { |
| 1453 | costPartBest = cost; |
| 1454 | copySaoUnit(lclCtuParam[0], &ctuParamRdo[0]); |
| 1455 | copySaoUnit(lclCtuParam[1], &ctuParamRdo[1]); |
| 1456 | bestDist = (estDist[0] + estDist[1]); |
| 1457 | } |
| 1458 | } |
| 1459 | |
| 1460 | mergeDist[0] += ((double)bestDist / m_chromaLambda); |
| 1461 | m_entropyCoder.load(m_rdContexts.temp); |
| 1462 | m_entropyCoder.codeSaoOffset(*lclCtuParam[0], 1); |
| 1463 | m_entropyCoder.codeSaoOffset(*lclCtuParam[1], 2); |
| 1464 | m_entropyCoder.store(m_rdContexts.temp); |
| 1465 | |
| 1466 | // merge left or merge up |
| 1467 | |
| 1468 | for (int mergeIdx = 0; mergeIdx < 2; mergeIdx++) |
| 1469 | { |
| 1470 | for (int compIdx = 0; compIdx < 2; compIdx++) |
| 1471 | { |
| 1472 | int plane = compIdx + 1; |
| 1473 | SaoCtuParam* mergeSrcParam = NULL; |
| 1474 | if (addrLeft >= 0 && mergeIdx == 0) |
| 1475 | mergeSrcParam = &(saoParam->ctuParam[plane][addrLeft]); |
| 1476 | else if (addrUp >= 0 && mergeIdx == 1) |
| 1477 | mergeSrcParam = &(saoParam->ctuParam[plane][addrUp]); |
| 1478 | if (mergeSrcParam) |
| 1479 | { |
| 1480 | int64_t estDist = 0; |
| 1481 | int typeIdx = mergeSrcParam->typeIdx; |
| 1482 | if (typeIdx >= 0) |
| 1483 | { |
| 1484 | int bandPos = (typeIdx == SAO_BO) ? mergeSrcParam->bandPos : 0; |
| 1485 | for (int classIdx = 0; classIdx < SAO_NUM_OFFSET; classIdx++) |
| 1486 | { |
| 1487 | int mergeOffset = mergeSrcParam->offset[classIdx]; |
| 1488 | estDist += estSaoDist(m_count[plane][typeIdx][classIdx + bandPos + 1], mergeOffset, m_offsetOrg[plane][typeIdx][classIdx + bandPos + 1]); |
| 1489 | } |
| 1490 | } |
| 1491 | |
| 1492 | copySaoUnit(&mergeSaoParam[plane][mergeIdx], mergeSrcParam); |
| 1493 | mergeSaoParam[plane][mergeIdx].mergeMode = mergeIdx ? SAO_MERGE_UP : SAO_MERGE_LEFT; |
| 1494 | mergeDist[mergeIdx + 1] += ((double)estDist / m_chromaLambda); |
| 1495 | } |
| 1496 | else |
| 1497 | resetSaoUnit(&mergeSaoParam[plane][mergeIdx]); |
| 1498 | } |
| 1499 | } |
| 1500 | } |
| 1501 | } |