| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Authors: Chung Shin Yee <shinyee@multicorewareinc.com> |
| 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 "encoder.h" |
| 29 | #include "framefilter.h" |
| 30 | #include "frameencoder.h" |
| 31 | #include "wavefront.h" |
| 32 | |
| 33 | using namespace x265; |
| 34 | |
| 35 | static uint64_t computeSSD(pixel *fenc, pixel *rec, intptr_t stride, uint32_t width, uint32_t height); |
| 36 | static float calculateSSIM(pixel *pix1, intptr_t stride1, pixel *pix2, intptr_t stride2, uint32_t width, uint32_t height, void *buf, uint32_t& cnt); |
| 37 | |
| 38 | FrameFilter::FrameFilter() |
| 39 | : m_param(NULL) |
| 40 | , m_frame(NULL) |
| 41 | , m_frameEncoder(NULL) |
| 42 | , m_ssimBuf(NULL) |
| 43 | { |
| 44 | } |
| 45 | |
| 46 | void FrameFilter::destroy() |
| 47 | { |
| 48 | if (m_param->bEnableSAO) |
| 49 | m_sao.destroy(); |
| 50 | |
| 51 | X265_FREE(m_ssimBuf); |
| 52 | } |
| 53 | |
| 54 | void FrameFilter::init(Encoder *top, FrameEncoder *frame, int numRows) |
| 55 | { |
| 56 | m_param = top->m_param; |
| 57 | m_frameEncoder = frame; |
| 58 | m_numRows = numRows; |
| 59 | m_hChromaShift = CHROMA_H_SHIFT(m_param->internalCsp); |
| 60 | m_vChromaShift = CHROMA_V_SHIFT(m_param->internalCsp); |
| 61 | m_pad[0] = top->m_sps.conformanceWindow.rightOffset; |
| 62 | m_pad[1] = top->m_sps.conformanceWindow.bottomOffset; |
| 63 | m_saoRowDelay = m_param->bEnableLoopFilter ? 1 : 0; |
| 64 | m_lastHeight = m_param->sourceHeight % g_maxCUSize ? m_param->sourceHeight % g_maxCUSize : g_maxCUSize; |
| 65 | |
| 66 | m_deblock.init(); |
| 67 | |
| 68 | if (m_param->bEnableSAO) |
| 69 | if (!m_sao.create(m_param)) |
| 70 | m_param->bEnableSAO = 0; |
| 71 | |
| 72 | if (m_param->bEnableSsim) |
| 73 | m_ssimBuf = X265_MALLOC(int, 8 * (m_param->sourceWidth / 4 + 3)); |
| 74 | } |
| 75 | |
| 76 | void FrameFilter::start(Frame *frame, Entropy& initState, int qp) |
| 77 | { |
| 78 | m_frame = frame; |
| 79 | |
| 80 | if (m_param->bEnableSAO) |
| 81 | m_sao.startSlice(frame, initState, qp); |
| 82 | } |
| 83 | |
| 84 | void FrameFilter::processRow(int row) |
| 85 | { |
| 86 | ProfileScopeEvent(filterCTURow); |
| 87 | |
| 88 | if (!m_param->bEnableLoopFilter && !m_param->bEnableSAO) |
| 89 | { |
| 90 | processRowPost(row); |
| 91 | return; |
| 92 | } |
| 93 | FrameData& encData = *m_frame->m_encData; |
| 94 | const uint32_t numCols = encData.m_slice->m_sps->numCuInWidth; |
| 95 | const uint32_t lineStartCUAddr = row * numCols; |
| 96 | |
| 97 | if (m_param->bEnableLoopFilter) |
| 98 | { |
| 99 | for (uint32_t col = 0; col < numCols; col++) |
| 100 | { |
| 101 | uint32_t cuAddr = lineStartCUAddr + col; |
| 102 | const CUData* ctu = encData.getPicCTU(cuAddr); |
| 103 | |
| 104 | m_deblock.deblockCTU(ctu, Deblock::EDGE_VER); |
| 105 | |
| 106 | if (col > 0) |
| 107 | { |
| 108 | const CUData* ctuPrev = encData.getPicCTU(cuAddr - 1); |
| 109 | m_deblock.deblockCTU(ctuPrev, Deblock::EDGE_HOR); |
| 110 | } |
| 111 | } |
| 112 | |
| 113 | const CUData* ctuPrev = encData.getPicCTU(lineStartCUAddr + numCols - 1); |
| 114 | m_deblock.deblockCTU(ctuPrev, Deblock::EDGE_HOR); |
| 115 | } |
| 116 | |
| 117 | // SAO |
| 118 | SAOParam* saoParam = encData.m_saoParam; |
| 119 | if (m_param->bEnableSAO) |
| 120 | { |
| 121 | m_sao.m_entropyCoder.load(m_frameEncoder->m_initSliceContext); |
| 122 | m_sao.m_rdContexts.next.load(m_frameEncoder->m_initSliceContext); |
| 123 | m_sao.m_rdContexts.cur.load(m_frameEncoder->m_initSliceContext); |
| 124 | |
| 125 | m_sao.rdoSaoUnitRow(saoParam, row); |
| 126 | |
| 127 | // NOTE: Delay a row because SAO decide need top row pixels at next row, is it HM's bug? |
| 128 | if (row >= m_saoRowDelay) |
| 129 | processSao(row - m_saoRowDelay); |
| 130 | } |
| 131 | |
| 132 | // this row of CTUs has been encoded |
| 133 | |
| 134 | if (row > 0) |
| 135 | processRowPost(row - 1); |
| 136 | |
| 137 | if (row == m_numRows - 1) |
| 138 | { |
| 139 | if (m_param->bEnableSAO) |
| 140 | { |
| 141 | m_sao.rdoSaoUnitRowEnd(saoParam, encData.m_slice->m_sps->numCUsInFrame); |
| 142 | |
| 143 | for (int i = m_numRows - m_saoRowDelay; i < m_numRows; i++) |
| 144 | processSao(i); |
| 145 | } |
| 146 | |
| 147 | processRowPost(row); |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | uint32_t FrameFilter::getCUHeight(int rowNum) const |
| 152 | { |
| 153 | return rowNum == m_numRows - 1 ? m_lastHeight : g_maxCUSize; |
| 154 | } |
| 155 | |
| 156 | void FrameFilter::processRowPost(int row) |
| 157 | { |
| 158 | PicYuv *reconPic = m_frame->m_reconPic; |
| 159 | const uint32_t numCols = m_frame->m_encData->m_slice->m_sps->numCuInWidth; |
| 160 | const uint32_t lineStartCUAddr = row * numCols; |
| 161 | const int realH = getCUHeight(row); |
| 162 | |
| 163 | // Border extend Left and Right |
| 164 | primitives.extendRowBorder(reconPic->getLumaAddr(lineStartCUAddr), reconPic->m_stride, reconPic->m_picWidth, realH, reconPic->m_lumaMarginX); |
| 165 | primitives.extendRowBorder(reconPic->getCbAddr(lineStartCUAddr), reconPic->m_strideC, reconPic->m_picWidth >> m_hChromaShift, realH >> m_vChromaShift, reconPic->m_chromaMarginX); |
| 166 | primitives.extendRowBorder(reconPic->getCrAddr(lineStartCUAddr), reconPic->m_strideC, reconPic->m_picWidth >> m_hChromaShift, realH >> m_vChromaShift, reconPic->m_chromaMarginX); |
| 167 | |
| 168 | // Border extend Top |
| 169 | if (!row) |
| 170 | { |
| 171 | const intptr_t stride = reconPic->m_stride; |
| 172 | const intptr_t strideC = reconPic->m_strideC; |
| 173 | pixel *pixY = reconPic->getLumaAddr(lineStartCUAddr) - reconPic->m_lumaMarginX; |
| 174 | pixel *pixU = reconPic->getCbAddr(lineStartCUAddr) - reconPic->m_chromaMarginX; |
| 175 | pixel *pixV = reconPic->getCrAddr(lineStartCUAddr) - reconPic->m_chromaMarginX; |
| 176 | |
| 177 | for (uint32_t y = 0; y < reconPic->m_lumaMarginY; y++) |
| 178 | memcpy(pixY - (y + 1) * stride, pixY, stride * sizeof(pixel)); |
| 179 | |
| 180 | for (uint32_t y = 0; y < reconPic->m_chromaMarginY; y++) |
| 181 | { |
| 182 | memcpy(pixU - (y + 1) * strideC, pixU, strideC * sizeof(pixel)); |
| 183 | memcpy(pixV - (y + 1) * strideC, pixV, strideC * sizeof(pixel)); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | // Border extend Bottom |
| 188 | if (row == m_numRows - 1) |
| 189 | { |
| 190 | const intptr_t stride = reconPic->m_stride; |
| 191 | const intptr_t strideC = reconPic->m_strideC; |
| 192 | pixel *pixY = reconPic->getLumaAddr(lineStartCUAddr) - reconPic->m_lumaMarginX + (realH - 1) * stride; |
| 193 | pixel *pixU = reconPic->getCbAddr(lineStartCUAddr) - reconPic->m_chromaMarginX + ((realH >> m_vChromaShift) - 1) * strideC; |
| 194 | pixel *pixV = reconPic->getCrAddr(lineStartCUAddr) - reconPic->m_chromaMarginX + ((realH >> m_vChromaShift) - 1) * strideC; |
| 195 | for (uint32_t y = 0; y < reconPic->m_lumaMarginY; y++) |
| 196 | memcpy(pixY + (y + 1) * stride, pixY, stride * sizeof(pixel)); |
| 197 | |
| 198 | for (uint32_t y = 0; y < reconPic->m_chromaMarginY; y++) |
| 199 | { |
| 200 | memcpy(pixU + (y + 1) * strideC, pixU, strideC * sizeof(pixel)); |
| 201 | memcpy(pixV + (y + 1) * strideC, pixV, strideC * sizeof(pixel)); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | // Notify other FrameEncoders that this row of reconstructed pixels is available |
| 206 | m_frame->m_reconRowCount.incr(); |
| 207 | |
| 208 | uint32_t cuAddr = lineStartCUAddr; |
| 209 | if (m_param->bEnablePsnr) |
| 210 | { |
| 211 | PicYuv* fencPic = m_frame->m_fencPic; |
| 212 | |
| 213 | intptr_t stride = reconPic->m_stride; |
| 214 | uint32_t width = reconPic->m_picWidth - m_pad[0]; |
| 215 | uint32_t height = getCUHeight(row); |
| 216 | |
| 217 | uint64_t ssdY = computeSSD(fencPic->getLumaAddr(cuAddr), reconPic->getLumaAddr(cuAddr), stride, width, height); |
| 218 | height >>= m_vChromaShift; |
| 219 | width >>= m_hChromaShift; |
| 220 | stride = reconPic->m_strideC; |
| 221 | |
| 222 | uint64_t ssdU = computeSSD(fencPic->getCbAddr(cuAddr), reconPic->getCbAddr(cuAddr), stride, width, height); |
| 223 | uint64_t ssdV = computeSSD(fencPic->getCrAddr(cuAddr), reconPic->getCrAddr(cuAddr), stride, width, height); |
| 224 | |
| 225 | m_frameEncoder->m_SSDY += ssdY; |
| 226 | m_frameEncoder->m_SSDU += ssdU; |
| 227 | m_frameEncoder->m_SSDV += ssdV; |
| 228 | } |
| 229 | if (m_param->bEnableSsim && m_ssimBuf) |
| 230 | { |
| 231 | pixel *rec = m_frame->m_reconPic->m_picOrg[0]; |
| 232 | pixel *fenc = m_frame->m_fencPic->m_picOrg[0]; |
| 233 | intptr_t stride1 = m_frame->m_fencPic->m_stride; |
| 234 | intptr_t stride2 = m_frame->m_reconPic->m_stride; |
| 235 | uint32_t bEnd = ((row + 1) == (this->m_numRows - 1)); |
| 236 | uint32_t bStart = (row == 0); |
| 237 | uint32_t minPixY = row * g_maxCUSize - 4 * !bStart; |
| 238 | uint32_t maxPixY = (row + 1) * g_maxCUSize - 4 * !bEnd; |
| 239 | uint32_t ssim_cnt; |
| 240 | x265_emms(); |
| 241 | |
| 242 | /* SSIM is done for each row in blocks of 4x4 . The First blocks are offset by 2 pixels to the right |
| 243 | * to avoid alignment of ssim blocks with DCT blocks. */ |
| 244 | minPixY += bStart ? 2 : -6; |
| 245 | m_frameEncoder->m_ssim += calculateSSIM(rec + 2 + minPixY * stride1, stride1, fenc + 2 + minPixY * stride2, stride2, |
| 246 | m_param->sourceWidth - 2, maxPixY - minPixY, m_ssimBuf, ssim_cnt); |
| 247 | m_frameEncoder->m_ssimCnt += ssim_cnt; |
| 248 | } |
| 249 | if (m_param->decodedPictureHashSEI == 1) |
| 250 | { |
| 251 | uint32_t height = getCUHeight(row); |
| 252 | uint32_t width = reconPic->m_picWidth; |
| 253 | intptr_t stride = reconPic->m_stride; |
| 254 | |
| 255 | if (!row) |
| 256 | { |
| 257 | for (int i = 0; i < 3; i++) |
| 258 | MD5Init(&m_frameEncoder->m_state[i]); |
| 259 | } |
| 260 | |
| 261 | updateMD5Plane(m_frameEncoder->m_state[0], reconPic->getLumaAddr(cuAddr), width, height, stride); |
| 262 | width >>= m_hChromaShift; |
| 263 | height >>= m_vChromaShift; |
| 264 | stride = reconPic->m_strideC; |
| 265 | |
| 266 | updateMD5Plane(m_frameEncoder->m_state[1], reconPic->getCbAddr(cuAddr), width, height, stride); |
| 267 | updateMD5Plane(m_frameEncoder->m_state[2], reconPic->getCrAddr(cuAddr), width, height, stride); |
| 268 | } |
| 269 | else if (m_param->decodedPictureHashSEI == 2) |
| 270 | { |
| 271 | uint32_t height = getCUHeight(row); |
| 272 | uint32_t width = reconPic->m_picWidth; |
| 273 | intptr_t stride = reconPic->m_stride; |
| 274 | if (!row) |
| 275 | m_frameEncoder->m_crc[0] = m_frameEncoder->m_crc[1] = m_frameEncoder->m_crc[2] = 0xffff; |
| 276 | updateCRC(reconPic->getLumaAddr(cuAddr), m_frameEncoder->m_crc[0], height, width, stride); |
| 277 | width >>= m_hChromaShift; |
| 278 | height >>= m_vChromaShift; |
| 279 | stride = reconPic->m_strideC; |
| 280 | |
| 281 | updateCRC(reconPic->getCbAddr(cuAddr), m_frameEncoder->m_crc[1], height, width, stride); |
| 282 | updateCRC(reconPic->getCrAddr(cuAddr), m_frameEncoder->m_crc[2], height, width, stride); |
| 283 | } |
| 284 | else if (m_param->decodedPictureHashSEI == 3) |
| 285 | { |
| 286 | uint32_t width = reconPic->m_picWidth; |
| 287 | uint32_t height = getCUHeight(row); |
| 288 | intptr_t stride = reconPic->m_stride; |
| 289 | uint32_t cuHeight = g_maxCUSize; |
| 290 | if (!row) |
| 291 | m_frameEncoder->m_checksum[0] = m_frameEncoder->m_checksum[1] = m_frameEncoder->m_checksum[2] = 0; |
| 292 | updateChecksum(reconPic->m_picOrg[0], m_frameEncoder->m_checksum[0], height, width, stride, row, cuHeight); |
| 293 | width >>= m_hChromaShift; |
| 294 | height >>= m_vChromaShift; |
| 295 | stride = reconPic->m_strideC; |
| 296 | cuHeight >>= m_vChromaShift; |
| 297 | |
| 298 | updateChecksum(reconPic->m_picOrg[1], m_frameEncoder->m_checksum[1], height, width, stride, row, cuHeight); |
| 299 | updateChecksum(reconPic->m_picOrg[2], m_frameEncoder->m_checksum[2], height, width, stride, row, cuHeight); |
| 300 | } |
| 301 | } |
| 302 | |
| 303 | static uint64_t computeSSD(pixel *fenc, pixel *rec, intptr_t stride, uint32_t width, uint32_t height) |
| 304 | { |
| 305 | uint64_t ssd = 0; |
| 306 | |
| 307 | if ((width | height) & 3) |
| 308 | { |
| 309 | /* Slow Path */ |
| 310 | for (uint32_t y = 0; y < height; y++) |
| 311 | { |
| 312 | for (uint32_t x = 0; x < width; x++) |
| 313 | { |
| 314 | int diff = (int)(fenc[x] - rec[x]); |
| 315 | ssd += diff * diff; |
| 316 | } |
| 317 | |
| 318 | fenc += stride; |
| 319 | rec += stride; |
| 320 | } |
| 321 | |
| 322 | return ssd; |
| 323 | } |
| 324 | |
| 325 | uint32_t y = 0; |
| 326 | /* Consume Y in chunks of 64 */ |
| 327 | for (; y + 64 <= height; y += 64) |
| 328 | { |
| 329 | uint32_t x = 0; |
| 330 | |
| 331 | if (!(stride & 31)) |
| 332 | for (; x + 64 <= width; x += 64) |
| 333 | ssd += primitives.sse_pp[LUMA_64x64](fenc + x, stride, rec + x, stride); |
| 334 | |
| 335 | if (!(stride & 15)) |
| 336 | for (; x + 16 <= width; x += 16) |
| 337 | ssd += primitives.sse_pp[LUMA_16x64](fenc + x, stride, rec + x, stride); |
| 338 | |
| 339 | for (; x + 4 <= width; x += 4) |
| 340 | { |
| 341 | ssd += primitives.sse_pp[LUMA_4x16](fenc + x, stride, rec + x, stride); |
| 342 | ssd += primitives.sse_pp[LUMA_4x16](fenc + x + 16 * stride, stride, rec + x + 16 * stride, stride); |
| 343 | ssd += primitives.sse_pp[LUMA_4x16](fenc + x + 32 * stride, stride, rec + x + 32 * stride, stride); |
| 344 | ssd += primitives.sse_pp[LUMA_4x16](fenc + x + 48 * stride, stride, rec + x + 48 * stride, stride); |
| 345 | } |
| 346 | |
| 347 | fenc += stride * 64; |
| 348 | rec += stride * 64; |
| 349 | } |
| 350 | |
| 351 | /* Consume Y in chunks of 16 */ |
| 352 | for (; y + 16 <= height; y += 16) |
| 353 | { |
| 354 | uint32_t x = 0; |
| 355 | |
| 356 | if (!(stride & 31)) |
| 357 | for (; x + 64 <= width; x += 64) |
| 358 | ssd += primitives.sse_pp[LUMA_64x16](fenc + x, stride, rec + x, stride); |
| 359 | |
| 360 | if (!(stride & 15)) |
| 361 | for (; x + 16 <= width; x += 16) |
| 362 | ssd += primitives.sse_pp[LUMA_16x16](fenc + x, stride, rec + x, stride); |
| 363 | |
| 364 | for (; x + 4 <= width; x += 4) |
| 365 | ssd += primitives.sse_pp[LUMA_4x16](fenc + x, stride, rec + x, stride); |
| 366 | |
| 367 | fenc += stride * 16; |
| 368 | rec += stride * 16; |
| 369 | } |
| 370 | |
| 371 | /* Consume Y in chunks of 4 */ |
| 372 | for (; y + 4 <= height; y += 4) |
| 373 | { |
| 374 | uint32_t x = 0; |
| 375 | |
| 376 | if (!(stride & 15)) |
| 377 | for (; x + 16 <= width; x += 16) |
| 378 | ssd += primitives.sse_pp[LUMA_16x4](fenc + x, stride, rec + x, stride); |
| 379 | |
| 380 | for (; x + 4 <= width; x += 4) |
| 381 | ssd += primitives.sse_pp[LUMA_4x4](fenc + x, stride, rec + x, stride); |
| 382 | |
| 383 | fenc += stride * 4; |
| 384 | rec += stride * 4; |
| 385 | } |
| 386 | |
| 387 | return ssd; |
| 388 | } |
| 389 | |
| 390 | /* Function to calculate SSIM for each row */ |
| 391 | static float calculateSSIM(pixel *pix1, intptr_t stride1, pixel *pix2, intptr_t stride2, uint32_t width, uint32_t height, void *buf, uint32_t& cnt) |
| 392 | { |
| 393 | uint32_t z = 0; |
| 394 | float ssim = 0.0; |
| 395 | |
| 396 | int(*sum0)[4] = (int(*)[4])buf; |
| 397 | int(*sum1)[4] = sum0 + (width >> 2) + 3; |
| 398 | width >>= 2; |
| 399 | height >>= 2; |
| 400 | |
| 401 | for (uint32_t y = 1; y < height; y++) |
| 402 | { |
| 403 | for (; z <= y; z++) |
| 404 | { |
| 405 | std::swap(sum0, sum1); |
| 406 | for (uint32_t x = 0; x < width; x += 2) |
| 407 | primitives.ssim_4x4x2_core(&pix1[(4 * x + (z * stride1))], stride1, &pix2[(4 * x + (z * stride2))], stride2, &sum0[x]); |
| 408 | } |
| 409 | |
| 410 | for (uint32_t x = 0; x < width - 1; x += 4) |
| 411 | ssim += primitives.ssim_end_4(sum0 + x, sum1 + x, X265_MIN(4, width - x - 1)); |
| 412 | } |
| 413 | |
| 414 | cnt = (height - 1) * (width - 1); |
| 415 | return ssim; |
| 416 | } |
| 417 | |
| 418 | /* restore original YUV samples to recon after SAO (if lossless) */ |
| 419 | static void restoreOrigLosslessYuv(const CUData* cu, Frame& frame, uint32_t absPartIdx, uint32_t depth) |
| 420 | { |
| 421 | uint32_t size = g_maxCUSize >> depth; |
| 422 | int part = partitionFromSizes(size, size); |
| 423 | |
| 424 | PicYuv* reconPic = frame.m_reconPic; |
| 425 | PicYuv* fencPic = frame.m_fencPic; |
| 426 | |
| 427 | pixel* dst = reconPic->getLumaAddr(cu->m_cuAddr, absPartIdx); |
| 428 | pixel* src = fencPic->getLumaAddr(cu->m_cuAddr, absPartIdx); |
| 429 | |
| 430 | primitives.luma_copy_pp[part](dst, reconPic->m_stride, src, fencPic->m_stride); |
| 431 | |
| 432 | pixel* dstCb = reconPic->getCbAddr(cu->m_cuAddr, absPartIdx); |
| 433 | pixel* srcCb = fencPic->getCbAddr(cu->m_cuAddr, absPartIdx); |
| 434 | |
| 435 | pixel* dstCr = reconPic->getCrAddr(cu->m_cuAddr, absPartIdx); |
| 436 | pixel* srcCr = fencPic->getCrAddr(cu->m_cuAddr, absPartIdx); |
| 437 | |
| 438 | int csp = fencPic->m_picCsp; |
| 439 | primitives.chroma[csp].copy_pp[part](dstCb, reconPic->m_strideC, srcCb, fencPic->m_strideC); |
| 440 | primitives.chroma[csp].copy_pp[part](dstCr, reconPic->m_strideC, srcCr, fencPic->m_strideC); |
| 441 | } |
| 442 | |
| 443 | /* Original YUV restoration for CU in lossless coding */ |
| 444 | static void origCUSampleRestoration(const CUData* cu, Frame& frame, uint32_t absPartIdx, uint32_t depth) |
| 445 | { |
| 446 | if (cu->m_cuDepth[absPartIdx] > depth) |
| 447 | { |
| 448 | /* TODO: this could use cuGeom.numPartition and flags */ |
| 449 | uint32_t curNumParts = NUM_CU_PARTITIONS >> (depth << 1); |
| 450 | uint32_t qNumParts = curNumParts >> 2; |
| 451 | uint32_t xmax = cu->m_slice->m_sps->picWidthInLumaSamples - cu->m_cuPelX; |
| 452 | uint32_t ymax = cu->m_slice->m_sps->picHeightInLumaSamples - cu->m_cuPelY; |
| 453 | |
| 454 | /* process four split sub-cu at next depth */ |
| 455 | for (int subPartIdx = 0; subPartIdx < 4; subPartIdx++, absPartIdx += qNumParts) |
| 456 | { |
| 457 | if (g_zscanToPelX[absPartIdx] < xmax && g_zscanToPelY[absPartIdx] < ymax) |
| 458 | origCUSampleRestoration(cu, frame, absPartIdx, depth + 1); |
| 459 | } |
| 460 | |
| 461 | return; |
| 462 | } |
| 463 | |
| 464 | // restore original YUV samples |
| 465 | if (cu->m_tqBypass[absPartIdx]) |
| 466 | restoreOrigLosslessYuv(cu, frame, absPartIdx, depth); |
| 467 | } |
| 468 | |
| 469 | void FrameFilter::processSao(int row) |
| 470 | { |
| 471 | SAOParam* saoParam = m_frame->m_encData->m_saoParam; |
| 472 | |
| 473 | if (saoParam->bSaoFlag[0]) |
| 474 | m_sao.processSaoUnitRow(saoParam->ctuParam[0], row, 0); |
| 475 | |
| 476 | if (saoParam->bSaoFlag[1]) |
| 477 | { |
| 478 | m_sao.processSaoUnitRow(saoParam->ctuParam[1], row, 1); |
| 479 | m_sao.processSaoUnitRow(saoParam->ctuParam[2], row, 2); |
| 480 | } |
| 481 | |
| 482 | if (m_frame->m_encData->m_slice->m_pps->bTransquantBypassEnabled) |
| 483 | { |
| 484 | uint32_t numCols = m_frame->m_encData->m_slice->m_sps->numCuInWidth; |
| 485 | uint32_t lineStartCUAddr = row * numCols; |
| 486 | |
| 487 | for (uint32_t col = 0; col < numCols; col++) |
| 488 | origCUSampleRestoration(m_frame->m_encData->getPicCTU(lineStartCUAddr + col), *m_frame, 0, 0); |
| 489 | } |
| 490 | } |