| 1 | /***************************************************************************** |
| 2 | * Copyright (C) 2013 x265 project |
| 3 | * |
| 4 | * Author: Shazeb Nawaz Khan <shazeb@multicorewareinc.com> |
| 5 | * Steve Borho <steve@borho.org> |
| 6 | * Kavitha Sampas <kavitha@multicorewareinc.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License as published by |
| 10 | * the Free Software Foundation; either version 2 of the License, or |
| 11 | * (at your option) any later version. |
| 12 | * |
| 13 | * This program is distributed in the hope that it will be useful, |
| 14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 16 | * GNU General Public License for more details. |
| 17 | * |
| 18 | * You should have received a copy of the GNU General Public License |
| 19 | * along with this program; if not, write to the Free Software |
| 20 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. |
| 21 | * |
| 22 | * This program is also available under a commercial proprietary license. |
| 23 | * For more information, contact us at license @ x265.com. |
| 24 | *****************************************************************************/ |
| 25 | |
| 26 | #include "common.h" |
| 27 | #include "frame.h" |
| 28 | #include "picyuv.h" |
| 29 | #include "lowres.h" |
| 30 | #include "mv.h" |
| 31 | #include "slicetype.h" |
| 32 | #include "bitstream.h" |
| 33 | |
| 34 | using namespace x265; |
| 35 | namespace { |
| 36 | struct Cache |
| 37 | { |
| 38 | const int * intraCost; |
| 39 | int numPredDir; |
| 40 | int csp; |
| 41 | int hshift; |
| 42 | int vshift; |
| 43 | int lowresWidthInCU; |
| 44 | int lowresHeightInCU; |
| 45 | }; |
| 46 | |
| 47 | int sliceHeaderCost(WeightParam *w, int lambda, int bChroma) |
| 48 | { |
| 49 | /* 4 times higher, because chroma is analyzed at full resolution. */ |
| 50 | if (bChroma) |
| 51 | lambda *= 4; |
| 52 | int denomCost = bs_size_ue(w[0].log2WeightDenom) * (2 - bChroma); |
| 53 | return lambda * (10 + denomCost + 2 * (bs_size_se(w[0].inputWeight) + bs_size_se(w[0].inputOffset))); |
| 54 | } |
| 55 | |
| 56 | /* make a motion compensated copy of lowres ref into mcout with the same stride. |
| 57 | * The borders of mcout are not extended */ |
| 58 | void mcLuma(pixel* mcout, Lowres& ref, const MV * mvs) |
| 59 | { |
| 60 | intptr_t stride = ref.lumaStride; |
| 61 | const int cuSize = 8; |
| 62 | MV mvmin, mvmax; |
| 63 | |
| 64 | int cu = 0; |
| 65 | |
| 66 | for (int y = 0; y < ref.lines; y += cuSize) |
| 67 | { |
| 68 | intptr_t pixoff = y * stride; |
| 69 | mvmin.y = (int16_t)((-y - 8) << 2); |
| 70 | mvmax.y = (int16_t)((ref.lines - y - 1 + 8) << 2); |
| 71 | |
| 72 | for (int x = 0; x < ref.width; x += cuSize, pixoff += cuSize, cu++) |
| 73 | { |
| 74 | ALIGN_VAR_16(pixel, buf8x8[8 * 8]); |
| 75 | intptr_t bstride = 8; |
| 76 | mvmin.x = (int16_t)((-x - 8) << 2); |
| 77 | mvmax.x = (int16_t)((ref.width - x - 1 + 8) << 2); |
| 78 | |
| 79 | /* clip MV to available pixels */ |
| 80 | MV mv = mvs[cu]; |
| 81 | mv = mv.clipped(mvmin, mvmax); |
| 82 | pixel *tmp = ref.lowresMC(pixoff, mv, buf8x8, bstride); |
| 83 | primitives.luma_copy_pp[LUMA_8x8](mcout + pixoff, stride, tmp, bstride); |
| 84 | } |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | /* use lowres MVs from lookahead to generate a motion compensated chroma plane. |
| 89 | * if a block had cheaper lowres cost as intra, we treat it as MV 0 */ |
| 90 | void mcChroma(pixel * mcout, |
| 91 | pixel * src, |
| 92 | intptr_t stride, |
| 93 | const MV * mvs, |
| 94 | const Cache& cache, |
| 95 | int height, |
| 96 | int width) |
| 97 | { |
| 98 | /* the motion vectors correspond to 8x8 lowres luma blocks, or 16x16 fullres |
| 99 | * luma blocks. We have to adapt block size to chroma csp */ |
| 100 | int csp = cache.csp; |
| 101 | int bw = 16 >> cache.hshift; |
| 102 | int bh = 16 >> cache.vshift; |
| 103 | MV mvmin, mvmax; |
| 104 | |
| 105 | for (int y = 0; y < height; y += bh) |
| 106 | { |
| 107 | /* note: lowres block count per row might be different from chroma block |
| 108 | * count per row because of rounding issues, so be very careful with indexing |
| 109 | * into the lowres structures */ |
| 110 | int cu = y * cache.lowresWidthInCU; |
| 111 | intptr_t pixoff = y * stride; |
| 112 | mvmin.y = (int16_t)((-y - 8) << 2); |
| 113 | mvmax.y = (int16_t)((height - y - 1 + 8) << 2); |
| 114 | |
| 115 | for (int x = 0; x < width; x += bw, cu++, pixoff += bw) |
| 116 | { |
| 117 | if (x < cache.lowresWidthInCU && y < cache.lowresHeightInCU) |
| 118 | { |
| 119 | MV mv = mvs[cu]; // lowres MV |
| 120 | mv <<= 1; // fullres MV |
| 121 | mv.x >>= cache.hshift; |
| 122 | mv.y >>= cache.vshift; |
| 123 | |
| 124 | /* clip MV to available pixels */ |
| 125 | mvmin.x = (int16_t)((-x - 8) << 2); |
| 126 | mvmax.x = (int16_t)((width - x - 1 + 8) << 2); |
| 127 | mv = mv.clipped(mvmin, mvmax); |
| 128 | |
| 129 | intptr_t fpeloffset = (mv.y >> 2) * stride + (mv.x >> 2); |
| 130 | pixel *temp = src + pixoff + fpeloffset; |
| 131 | |
| 132 | int xFrac = mv.x & 0x7; |
| 133 | int yFrac = mv.y & 0x7; |
| 134 | if ((yFrac | xFrac) == 0) |
| 135 | { |
| 136 | primitives.chroma[csp].copy_pp[LUMA_16x16](mcout + pixoff, stride, temp, stride); |
| 137 | } |
| 138 | else if (yFrac == 0) |
| 139 | { |
| 140 | primitives.chroma[csp].filter_hpp[LUMA_16x16](temp, stride, mcout + pixoff, stride, xFrac); |
| 141 | } |
| 142 | else if (xFrac == 0) |
| 143 | { |
| 144 | primitives.chroma[csp].filter_vpp[LUMA_16x16](temp, stride, mcout + pixoff, stride, yFrac); |
| 145 | } |
| 146 | else |
| 147 | { |
| 148 | ALIGN_VAR_16(int16_t, imm[16 * (16 + NTAPS_CHROMA)]); |
| 149 | primitives.chroma[csp].filter_hps[LUMA_16x16](temp, stride, imm, bw, xFrac, 1); |
| 150 | primitives.chroma[csp].filter_vsp[LUMA_16x16](imm + ((NTAPS_CHROMA >> 1) - 1) * bw, bw, mcout + pixoff, stride, yFrac); |
| 151 | } |
| 152 | } |
| 153 | else |
| 154 | { |
| 155 | primitives.chroma[csp].copy_pp[LUMA_16x16](mcout + pixoff, stride, src + pixoff, stride); |
| 156 | } |
| 157 | } |
| 158 | } |
| 159 | } |
| 160 | |
| 161 | /* Measure sum of 8x8 satd costs between source frame and reference |
| 162 | * frame (potentially weighted, potentially motion compensated). We |
| 163 | * always use source images for this analysis since reference recon |
| 164 | * pixels have unreliable availability */ |
| 165 | uint32_t weightCost(pixel * fenc, |
| 166 | pixel * ref, |
| 167 | pixel * weightTemp, |
| 168 | intptr_t stride, |
| 169 | const Cache & cache, |
| 170 | int width, |
| 171 | int height, |
| 172 | WeightParam * w, |
| 173 | bool bLuma) |
| 174 | { |
| 175 | if (w) |
| 176 | { |
| 177 | /* make a weighted copy of the reference plane */ |
| 178 | int offset = w->inputOffset << (X265_DEPTH - 8); |
| 179 | int weight = w->inputWeight; |
| 180 | int denom = w->log2WeightDenom; |
| 181 | int round = denom ? 1 << (denom - 1) : 0; |
| 182 | int correction = IF_INTERNAL_PREC - X265_DEPTH; /* intermediate interpolation depth */ |
| 183 | int pwidth = ((width + 15) >> 4) << 4; |
| 184 | |
| 185 | primitives.weight_pp(ref, weightTemp, stride, pwidth, height, |
| 186 | weight, round << correction, denom + correction, offset); |
| 187 | ref = weightTemp; |
| 188 | } |
| 189 | |
| 190 | uint32_t cost = 0; |
| 191 | pixel *f = fenc, *r = ref; |
| 192 | |
| 193 | if (bLuma) |
| 194 | { |
| 195 | int cu = 0; |
| 196 | for (int y = 8; y < height; y += 8, r += 8 * stride, f += 8 * stride) |
| 197 | { |
| 198 | for (int x = 8; x < width; x += 8, cu++) |
| 199 | { |
| 200 | int cmp = primitives.satd[LUMA_8x8](r + x, stride, f + x, stride); |
| 201 | cost += X265_MIN(cmp, cache.intraCost[cu]); |
| 202 | } |
| 203 | } |
| 204 | } |
| 205 | else if (cache.csp == X265_CSP_I444) |
| 206 | for (int y = 16; y < height; y += 16, r += 16 * stride, f += 16 * stride) |
| 207 | for (int x = 16; x < width; x += 16) |
| 208 | cost += primitives.satd[LUMA_16x16](r + x, stride, f + x, stride); |
| 209 | else |
| 210 | for (int y = 8; y < height; y += 8, r += 8 * stride, f += 8 * stride) |
| 211 | for (int x = 8; x < width; x += 8) |
| 212 | cost += primitives.satd[LUMA_8x8](r + x, stride, f + x, stride); |
| 213 | |
| 214 | return cost; |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | namespace x265 { |
| 219 | void weightAnalyse(Slice& slice, Frame& frame, x265_param& param) |
| 220 | { |
| 221 | WeightParam wp[2][MAX_NUM_REF][3]; |
| 222 | PicYuv *fencPic = frame.m_fencPic; |
| 223 | Lowres& fenc = frame.m_lowres; |
| 224 | |
| 225 | Cache cache; |
| 226 | |
| 227 | memset(&cache, 0, sizeof(cache)); |
| 228 | cache.intraCost = fenc.intraCost; |
| 229 | cache.numPredDir = slice.isInterP() ? 1 : 2; |
| 230 | cache.lowresWidthInCU = fenc.width >> 3; |
| 231 | cache.lowresHeightInCU = fenc.lines >> 3; |
| 232 | cache.csp = fencPic->m_picCsp; |
| 233 | cache.hshift = CHROMA_H_SHIFT(cache.csp); |
| 234 | cache.vshift = CHROMA_V_SHIFT(cache.csp); |
| 235 | |
| 236 | /* Use single allocation for motion compensated ref and weight buffers */ |
| 237 | pixel *mcbuf = X265_MALLOC(pixel, 2 * fencPic->m_stride * fencPic->m_picHeight); |
| 238 | if (!mcbuf) |
| 239 | { |
| 240 | slice.disableWeights(); |
| 241 | return; |
| 242 | } |
| 243 | pixel *weightTemp = mcbuf + fencPic->m_stride * fencPic->m_picHeight; |
| 244 | |
| 245 | int lambda = (int)x265_lambda_tab[X265_LOOKAHEAD_QP]; |
| 246 | int curPoc = slice.m_poc; |
| 247 | const float epsilon = 1.f / 128.f; |
| 248 | |
| 249 | int chromaDenom, lumaDenom, denom; |
| 250 | chromaDenom = lumaDenom = 7; |
| 251 | int numpixels[3]; |
| 252 | int w16 = ((fencPic->m_picWidth + 15) >> 4) << 4; |
| 253 | int h16 = ((fencPic->m_picHeight + 15) >> 4) << 4; |
| 254 | numpixels[0] = w16 * h16; |
| 255 | numpixels[1] = numpixels[2] = numpixels[0] >> (cache.hshift + cache.vshift); |
| 256 | |
| 257 | for (int list = 0; list < cache.numPredDir; list++) |
| 258 | { |
| 259 | WeightParam *weights = wp[list][0]; |
| 260 | Frame *refFrame = slice.m_refPicList[list][0]; |
| 261 | Lowres& refLowres = refFrame->m_lowres; |
| 262 | int diffPoc = abs(curPoc - refFrame->m_poc); |
| 263 | |
| 264 | /* prepare estimates */ |
| 265 | float guessScale[3], fencMean[3], refMean[3]; |
| 266 | for (int plane = 0; plane < 3; plane++) |
| 267 | { |
| 268 | SET_WEIGHT(weights[plane], false, 1, 0, 0); |
| 269 | uint64_t fencVar = fenc.wp_ssd[plane] + !refLowres.wp_ssd[plane]; |
| 270 | uint64_t refVar = refLowres.wp_ssd[plane] + !refLowres.wp_ssd[plane]; |
| 271 | guessScale[plane] = sqrt((float)fencVar / refVar); |
| 272 | fencMean[plane] = (float)fenc.wp_sum[plane] / (numpixels[plane]) / (1 << (X265_DEPTH - 8)); |
| 273 | refMean[plane] = (float)refLowres.wp_sum[plane] / (numpixels[plane]) / (1 << (X265_DEPTH - 8)); |
| 274 | } |
| 275 | |
| 276 | /* make sure both our scale factors fit */ |
| 277 | while (!list && chromaDenom > 0) |
| 278 | { |
| 279 | float thresh = 127.f / (1 << chromaDenom); |
| 280 | if (guessScale[1] < thresh && guessScale[2] < thresh) |
| 281 | break; |
| 282 | chromaDenom--; |
| 283 | } |
| 284 | |
| 285 | SET_WEIGHT(weights[1], false, 1 << chromaDenom, chromaDenom, 0); |
| 286 | SET_WEIGHT(weights[2], false, 1 << chromaDenom, chromaDenom, 0); |
| 287 | |
| 288 | MV *mvs = NULL; |
| 289 | |
| 290 | for (int plane = 0; plane < 3; plane++) |
| 291 | { |
| 292 | denom = plane ? chromaDenom : lumaDenom; |
| 293 | if (plane && !weights[0].bPresentFlag) |
| 294 | break; |
| 295 | |
| 296 | /* Early termination */ |
| 297 | x265_emms(); |
| 298 | if (fabsf(refMean[plane] - fencMean[plane]) < 0.5f && fabsf(1.f - guessScale[plane]) < epsilon) |
| 299 | { |
| 300 | SET_WEIGHT(weights[plane], 0, 1 << denom, denom, 0); |
| 301 | continue; |
| 302 | } |
| 303 | |
| 304 | if (plane) |
| 305 | { |
| 306 | int scale = Clip3(0, 255, (int)(guessScale[plane] * (1 << denom) + 0.5f)); |
| 307 | if (scale > 127) |
| 308 | continue; |
| 309 | weights[plane].inputWeight = scale; |
| 310 | } |
| 311 | else |
| 312 | { |
| 313 | weights[plane].setFromWeightAndOffset((int)(guessScale[plane] * (1 << denom) + 0.5f), 0, denom, !list); |
| 314 | } |
| 315 | |
| 316 | int mindenom = weights[plane].log2WeightDenom; |
| 317 | int minscale = weights[plane].inputWeight; |
| 318 | int minoff = 0; |
| 319 | |
| 320 | if (!plane && diffPoc <= param.bframes + 1) |
| 321 | { |
| 322 | mvs = fenc.lowresMvs[list][diffPoc - 1]; |
| 323 | |
| 324 | /* test whether this motion search was performed by lookahead */ |
| 325 | if (mvs[0].x != 0x7FFF) |
| 326 | { |
| 327 | /* reference chroma planes must be extended prior to being |
| 328 | * used as motion compensation sources */ |
| 329 | if (!refFrame->m_bChromaExtended) |
| 330 | { |
| 331 | refFrame->m_bChromaExtended = true; |
| 332 | PicYuv *refPic = refFrame->m_fencPic; |
| 333 | int width = refPic->m_picWidth >> cache.hshift; |
| 334 | int height = refPic->m_picHeight >> cache.vshift; |
| 335 | extendPicBorder(refPic->m_picOrg[1], refPic->m_strideC, width, height, refPic->m_chromaMarginX, refPic->m_chromaMarginY); |
| 336 | extendPicBorder(refPic->m_picOrg[2], refPic->m_strideC, width, height, refPic->m_chromaMarginX, refPic->m_chromaMarginY); |
| 337 | } |
| 338 | } |
| 339 | else |
| 340 | mvs = 0; |
| 341 | } |
| 342 | |
| 343 | /* prepare inputs to weight analysis */ |
| 344 | pixel *orig; |
| 345 | pixel *fref; |
| 346 | intptr_t stride; |
| 347 | int width, height; |
| 348 | switch (plane) |
| 349 | { |
| 350 | case 0: |
| 351 | orig = fenc.lowresPlane[0]; |
| 352 | stride = fenc.lumaStride; |
| 353 | width = fenc.width; |
| 354 | height = fenc.lines; |
| 355 | fref = refLowres.lowresPlane[0]; |
| 356 | if (mvs) |
| 357 | { |
| 358 | mcLuma(mcbuf, refLowres, mvs); |
| 359 | fref = mcbuf; |
| 360 | } |
| 361 | break; |
| 362 | |
| 363 | case 1: |
| 364 | orig = fencPic->m_picOrg[1]; |
| 365 | stride = fencPic->m_strideC; |
| 366 | fref = refFrame->m_fencPic->m_picOrg[1]; |
| 367 | |
| 368 | /* Clamp the chroma dimensions to the nearest multiple of |
| 369 | * 8x8 blocks (or 16x16 for 4:4:4) since mcChroma uses lowres |
| 370 | * blocks and weightCost measures 8x8 blocks. This |
| 371 | * potentially ignores some edge pixels, but simplifies the |
| 372 | * logic and prevents reading uninitialized pixels. Lowres |
| 373 | * planes are border extended and require no clamping. */ |
| 374 | width = ((fencPic->m_picWidth >> 4) << 4) >> cache.hshift; |
| 375 | height = ((fencPic->m_picHeight >> 4) << 4) >> cache.vshift; |
| 376 | if (mvs) |
| 377 | { |
| 378 | mcChroma(mcbuf, fref, stride, mvs, cache, height, width); |
| 379 | fref = mcbuf; |
| 380 | } |
| 381 | break; |
| 382 | |
| 383 | case 2: |
| 384 | fref = refFrame->m_fencPic->m_picOrg[2]; |
| 385 | orig = fencPic->m_picOrg[2]; |
| 386 | stride = fencPic->m_strideC; |
| 387 | width = ((fencPic->m_picWidth >> 4) << 4) >> cache.hshift; |
| 388 | height = ((fencPic->m_picHeight >> 4) << 4) >> cache.vshift; |
| 389 | if (mvs) |
| 390 | { |
| 391 | mcChroma(mcbuf, fref, stride, mvs, cache, height, width); |
| 392 | fref = mcbuf; |
| 393 | } |
| 394 | break; |
| 395 | |
| 396 | default: |
| 397 | slice.disableWeights(); |
| 398 | X265_FREE(mcbuf); |
| 399 | return; |
| 400 | } |
| 401 | |
| 402 | uint32_t origscore = weightCost(orig, fref, weightTemp, stride, cache, width, height, NULL, !plane); |
| 403 | if (!origscore) |
| 404 | { |
| 405 | SET_WEIGHT(weights[plane], 0, 1 << denom, denom, 0); |
| 406 | continue; |
| 407 | } |
| 408 | |
| 409 | uint32_t minscore = origscore; |
| 410 | bool bFound = false; |
| 411 | |
| 412 | /* x264 uses a table lookup here, selecting search range based on preset */ |
| 413 | static const int scaleDist = 4; |
| 414 | static const int offsetDist = 2; |
| 415 | |
| 416 | int startScale = Clip3(0, 127, minscale - scaleDist); |
| 417 | int endScale = Clip3(0, 127, minscale + scaleDist); |
| 418 | for (int scale = startScale; scale <= endScale; scale++) |
| 419 | { |
| 420 | int deltaWeight = scale - (1 << mindenom); |
| 421 | if (deltaWeight > 127 || deltaWeight <= -128) |
| 422 | continue; |
| 423 | |
| 424 | x265_emms(); |
| 425 | int curScale = scale; |
| 426 | int curOffset = (int)(fencMean[plane] - refMean[plane] * curScale / (1 << mindenom) + 0.5f); |
| 427 | if (curOffset < -128 || curOffset > 127) |
| 428 | { |
| 429 | /* Rescale considering the constraints on curOffset. We do it in this order |
| 430 | * because scale has a much wider range than offset (because of denom), so |
| 431 | * it should almost never need to be clamped. */ |
| 432 | curOffset = Clip3(-128, 127, curOffset); |
| 433 | curScale = (int)((1 << mindenom) * (fencMean[plane] - curOffset) / refMean[plane] + 0.5f); |
| 434 | curScale = Clip3(0, 127, curScale); |
| 435 | } |
| 436 | |
| 437 | int startOffset = Clip3(-128, 127, curOffset - offsetDist); |
| 438 | int endOffset = Clip3(-128, 127, curOffset + offsetDist); |
| 439 | for (int off = startOffset; off <= endOffset; off++) |
| 440 | { |
| 441 | WeightParam wsp; |
| 442 | SET_WEIGHT(wsp, true, curScale, mindenom, off); |
| 443 | uint32_t s = weightCost(orig, fref, weightTemp, stride, cache, width, height, &wsp, !plane) + |
| 444 | sliceHeaderCost(&wsp, lambda, !!plane); |
| 445 | COPY4_IF_LT(minscore, s, minscale, curScale, minoff, off, bFound, true); |
| 446 | |
| 447 | /* Don't check any more offsets if the previous one had a lower cost than the current one */ |
| 448 | if (minoff == startOffset && off != startOffset) |
| 449 | break; |
| 450 | } |
| 451 | } |
| 452 | |
| 453 | /* Use a smaller luma denominator if possible */ |
| 454 | if (!(plane || list)) |
| 455 | { |
| 456 | while (mindenom > 0 && !(minscale & 1)) |
| 457 | { |
| 458 | mindenom--; |
| 459 | minscale >>= 1; |
| 460 | } |
| 461 | } |
| 462 | |
| 463 | if (!bFound || (minscale == (1 << mindenom) && minoff == 0) || (float)minscore / origscore > 0.998f) |
| 464 | { |
| 465 | SET_WEIGHT(weights[plane], false, 1 << denom, denom, 0); |
| 466 | } |
| 467 | else |
| 468 | { |
| 469 | SET_WEIGHT(weights[plane], true, minscale, mindenom, minoff); |
| 470 | } |
| 471 | } |
| 472 | |
| 473 | if (weights[0].bPresentFlag) |
| 474 | { |
| 475 | // Make sure both chroma channels match |
| 476 | if (weights[1].bPresentFlag != weights[2].bPresentFlag) |
| 477 | { |
| 478 | if (weights[1].bPresentFlag) |
| 479 | weights[2] = weights[1]; |
| 480 | else |
| 481 | weights[1] = weights[2]; |
| 482 | } |
| 483 | } |
| 484 | |
| 485 | lumaDenom = weights[0].log2WeightDenom; |
| 486 | chromaDenom = weights[1].log2WeightDenom; |
| 487 | |
| 488 | /* reset weight states */ |
| 489 | for (int ref = 1; ref < slice.m_numRefIdx[list]; ref++) |
| 490 | { |
| 491 | SET_WEIGHT(wp[list][ref][0], false, 1 << lumaDenom, lumaDenom, 0); |
| 492 | SET_WEIGHT(wp[list][ref][1], false, 1 << chromaDenom, chromaDenom, 0); |
| 493 | SET_WEIGHT(wp[list][ref][2], false, 1 << chromaDenom, chromaDenom, 0); |
| 494 | } |
| 495 | } |
| 496 | |
| 497 | X265_FREE(mcbuf); |
| 498 | |
| 499 | memcpy(slice.m_weightPredTable, wp, sizeof(WeightParam) * 2 * MAX_NUM_REF * 3); |
| 500 | |
| 501 | if (param.logLevel >= X265_LOG_FULL) |
| 502 | { |
| 503 | char buf[1024]; |
| 504 | int p = 0; |
| 505 | bool bWeighted = false; |
| 506 | |
| 507 | p = sprintf(buf, "poc: %d weights:", slice.m_poc); |
| 508 | int numPredDir = slice.isInterP() ? 1 : 2; |
| 509 | for (int list = 0; list < numPredDir; list++) |
| 510 | { |
| 511 | WeightParam* w = &wp[list][0][0]; |
| 512 | if (w[0].bPresentFlag || w[1].bPresentFlag || w[2].bPresentFlag) |
| 513 | { |
| 514 | bWeighted = true; |
| 515 | p += sprintf(buf + p, " [L%d:R0 ", list); |
| 516 | if (w[0].bPresentFlag) |
| 517 | p += sprintf(buf + p, "Y{%d/%d%+d}", w[0].inputWeight, 1 << w[0].log2WeightDenom, w[0].inputOffset); |
| 518 | if (w[1].bPresentFlag) |
| 519 | p += sprintf(buf + p, "U{%d/%d%+d}", w[1].inputWeight, 1 << w[1].log2WeightDenom, w[1].inputOffset); |
| 520 | if (w[2].bPresentFlag) |
| 521 | p += sprintf(buf + p, "V{%d/%d%+d}", w[2].inputWeight, 1 << w[2].log2WeightDenom, w[2].inputOffset); |
| 522 | p += sprintf(buf + p, "]"); |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | if (bWeighted) |
| 527 | { |
| 528 | if (p < 80) // pad with spaces to ensure progress line overwritten |
| 529 | sprintf(buf + p, "%*s", 80 - p, " "); |
| 530 | x265_log(¶m, X265_LOG_FULL, "%s\n", buf); |
| 531 | } |
| 532 | } |
| 533 | } |
| 534 | } |