/***************************************************************************** * Copyright (C) 2015 x265 project * * Authors: Steve Borho * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111, USA. * * This program is also available under a commercial proprietary license. * For more information, contact us at license @ x265.com. *****************************************************************************/ #include "common.h" #include "frame.h" #include "framedata.h" #include "picyuv.h" #include "mv.h" #include "cudata.h" using namespace X265_NS; /* for all bcast* and copy* functions, dst and src are aligned to MIN(size, 32) */ static void bcast1(uint8_t* dst, uint8_t val) { dst[0] = val; } static void copy4(uint8_t* dst, uint8_t* src) { ((uint32_t*)dst)[0] = ((uint32_t*)src)[0]; } static void bcast4(uint8_t* dst, uint8_t val) { ((uint32_t*)dst)[0] = 0x01010101u * val; } static void copy16(uint8_t* dst, uint8_t* src) { ((uint64_t*)dst)[0] = ((uint64_t*)src)[0]; ((uint64_t*)dst)[1] = ((uint64_t*)src)[1]; } static void bcast16(uint8_t* dst, uint8_t val) { uint64_t bval = 0x0101010101010101ULL * val; ((uint64_t*)dst)[0] = bval; ((uint64_t*)dst)[1] = bval; } static void copy64(uint8_t* dst, uint8_t* src) { ((uint64_t*)dst)[0] = ((uint64_t*)src)[0]; ((uint64_t*)dst)[1] = ((uint64_t*)src)[1]; ((uint64_t*)dst)[2] = ((uint64_t*)src)[2]; ((uint64_t*)dst)[3] = ((uint64_t*)src)[3]; ((uint64_t*)dst)[4] = ((uint64_t*)src)[4]; ((uint64_t*)dst)[5] = ((uint64_t*)src)[5]; ((uint64_t*)dst)[6] = ((uint64_t*)src)[6]; ((uint64_t*)dst)[7] = ((uint64_t*)src)[7]; } static void bcast64(uint8_t* dst, uint8_t val) { uint64_t bval = 0x0101010101010101ULL * val; ((uint64_t*)dst)[0] = bval; ((uint64_t*)dst)[1] = bval; ((uint64_t*)dst)[2] = bval; ((uint64_t*)dst)[3] = bval; ((uint64_t*)dst)[4] = bval; ((uint64_t*)dst)[5] = bval; ((uint64_t*)dst)[6] = bval; ((uint64_t*)dst)[7] = bval; } /* at 256 bytes, memset/memcpy will probably use SIMD more effectively than our uint64_t hack, * but hand-written assembly would beat it. */ static void copy256(uint8_t* dst, uint8_t* src) { memcpy(dst, src, 256); } static void bcast256(uint8_t* dst, uint8_t val) { memset(dst, val, 256); } namespace { // file private namespace /* Check whether 2 addresses point to the same column */ inline bool isEqualCol(int addrA, int addrB, int numUnits) { // addrA % numUnits == addrB % numUnits return ((addrA ^ addrB) & (numUnits - 1)) == 0; } /* Check whether 2 addresses point to the same row */ inline bool isEqualRow(int addrA, int addrB, int numUnits) { // addrA / numUnits == addrB / numUnits return ((addrA ^ addrB) & ~(numUnits - 1)) == 0; } /* Check whether 2 addresses point to the same row or column */ inline bool isEqualRowOrCol(int addrA, int addrB, int numUnits) { return isEqualCol(addrA, addrB, numUnits) | isEqualRow(addrA, addrB, numUnits); } /* Check whether one address points to the first column */ inline bool isZeroCol(int addr, int numUnits) { // addr % numUnits == 0 return (addr & (numUnits - 1)) == 0; } /* Check whether one address points to the first row */ inline bool isZeroRow(int addr, int numUnits) { // addr / numUnits == 0 return (addr & ~(numUnits - 1)) == 0; } /* Check whether one address points to a column whose index is smaller than a given value */ inline bool lessThanCol(int addr, int val, int numUnits) { // addr % numUnits < val return (addr & (numUnits - 1)) < val; } /* Check whether one address points to a row whose index is smaller than a given value */ inline bool lessThanRow(int addr, int val, int numUnits) { // addr / numUnits < val return addr < val * numUnits; } inline MV scaleMv(MV mv, int scale) { int mvx = x265_clip3(-32768, 32767, (scale * mv.x + 127 + (scale * mv.x < 0)) >> 8); int mvy = x265_clip3(-32768, 32767, (scale * mv.y + 127 + (scale * mv.y < 0)) >> 8); return MV((int16_t)mvx, (int16_t)mvy); } } cubcast_t CUData::s_partSet[NUM_FULL_DEPTH] = { NULL, NULL, NULL, NULL, NULL }; uint32_t CUData::s_numPartInCUSize; CUData::CUData() { memset(this, 0, sizeof(*this)); } void CUData::initialize(const CUDataMemPool& dataPool, uint32_t depth, int csp, int instance) { m_chromaFormat = csp; m_hChromaShift = CHROMA_H_SHIFT(csp); m_vChromaShift = CHROMA_V_SHIFT(csp); m_numPartitions = NUM_4x4_PARTITIONS >> (depth * 2); if (!s_partSet[0]) { s_numPartInCUSize = 1 << g_unitSizeDepth; switch (g_maxLog2CUSize) { case 6: s_partSet[0] = bcast256; s_partSet[1] = bcast64; s_partSet[2] = bcast16; s_partSet[3] = bcast4; s_partSet[4] = bcast1; break; case 5: s_partSet[0] = bcast64; s_partSet[1] = bcast16; s_partSet[2] = bcast4; s_partSet[3] = bcast1; s_partSet[4] = NULL; break; case 4: s_partSet[0] = bcast16; s_partSet[1] = bcast4; s_partSet[2] = bcast1; s_partSet[3] = NULL; s_partSet[4] = NULL; break; default: X265_CHECK(0, "unexpected CTU size\n"); break; } } switch (m_numPartitions) { case 256: // 64x64 CU m_partCopy = copy256; m_partSet = bcast256; m_subPartCopy = copy64; m_subPartSet = bcast64; break; case 64: // 32x32 CU m_partCopy = copy64; m_partSet = bcast64; m_subPartCopy = copy16; m_subPartSet = bcast16; break; case 16: // 16x16 CU m_partCopy = copy16; m_partSet = bcast16; m_subPartCopy = copy4; m_subPartSet = bcast4; break; case 4: // 8x8 CU m_partCopy = copy4; m_partSet = bcast4; m_subPartCopy = NULL; m_subPartSet = NULL; break; default: X265_CHECK(0, "unexpected CU partition count\n"); break; } /* Each CU's data is layed out sequentially within the charMemBlock */ uint8_t *charBuf = dataPool.charMemBlock + (m_numPartitions * BytesPerPartition) * instance; m_qp = (int8_t*)charBuf; charBuf += m_numPartitions; m_log2CUSize = charBuf; charBuf += m_numPartitions; m_lumaIntraDir = charBuf; charBuf += m_numPartitions; m_tqBypass = charBuf; charBuf += m_numPartitions; m_refIdx[0] = (int8_t*)charBuf; charBuf += m_numPartitions; m_refIdx[1] = (int8_t*)charBuf; charBuf += m_numPartitions; m_cuDepth = charBuf; charBuf += m_numPartitions; m_predMode = charBuf; charBuf += m_numPartitions; /* the order up to here is important in initCTU() and initSubCU() */ m_partSize = charBuf; charBuf += m_numPartitions; m_mergeFlag = charBuf; charBuf += m_numPartitions; m_interDir = charBuf; charBuf += m_numPartitions; m_mvpIdx[0] = charBuf; charBuf += m_numPartitions; m_mvpIdx[1] = charBuf; charBuf += m_numPartitions; m_tuDepth = charBuf; charBuf += m_numPartitions; m_transformSkip[0] = charBuf; charBuf += m_numPartitions; m_transformSkip[1] = charBuf; charBuf += m_numPartitions; m_transformSkip[2] = charBuf; charBuf += m_numPartitions; m_cbf[0] = charBuf; charBuf += m_numPartitions; m_cbf[1] = charBuf; charBuf += m_numPartitions; m_cbf[2] = charBuf; charBuf += m_numPartitions; m_chromaIntraDir = charBuf; charBuf += m_numPartitions; X265_CHECK(charBuf == dataPool.charMemBlock + (m_numPartitions * BytesPerPartition) * (instance + 1), "CU data layout is broken\n"); m_mv[0] = dataPool.mvMemBlock + (instance * 4) * m_numPartitions; m_mv[1] = m_mv[0] + m_numPartitions; m_mvd[0] = m_mv[1] + m_numPartitions; m_mvd[1] = m_mvd[0] + m_numPartitions; uint32_t cuSize = g_maxCUSize >> depth; uint32_t sizeL = cuSize * cuSize; uint32_t sizeC = sizeL >> (m_hChromaShift + m_vChromaShift); m_trCoeff[0] = dataPool.trCoeffMemBlock + instance * (sizeL + sizeC * 2); m_trCoeff[1] = m_trCoeff[0] + sizeL; m_trCoeff[2] = m_trCoeff[0] + sizeL + sizeC; } void CUData::initCTU(const Frame& frame, uint32_t cuAddr, int qp) { m_encData = frame.m_encData; m_slice = m_encData->m_slice; m_cuAddr = cuAddr; m_cuPelX = (cuAddr % m_slice->m_sps->numCuInWidth) << g_maxLog2CUSize; m_cuPelY = (cuAddr / m_slice->m_sps->numCuInWidth) << g_maxLog2CUSize; m_absIdxInCTU = 0; m_numPartitions = NUM_4x4_PARTITIONS; /* sequential memsets */ m_partSet((uint8_t*)m_qp, (uint8_t)qp); m_partSet(m_log2CUSize, (uint8_t)g_maxLog2CUSize); m_partSet(m_lumaIntraDir, (uint8_t)DC_IDX); m_partSet(m_tqBypass, (uint8_t)frame.m_encData->m_param->bLossless); if (m_slice->m_sliceType != I_SLICE) { m_partSet((uint8_t*)m_refIdx[0], (uint8_t)REF_NOT_VALID); m_partSet((uint8_t*)m_refIdx[1], (uint8_t)REF_NOT_VALID); } X265_CHECK(!(frame.m_encData->m_param->bLossless && !m_slice->m_pps->bTransquantBypassEnabled), "lossless enabled without TQbypass in PPS\n"); /* initialize the remaining CU data in one memset */ memset(m_cuDepth, 0, (BytesPerPartition - 6) * m_numPartitions); uint32_t widthInCU = m_slice->m_sps->numCuInWidth; m_cuLeft = (m_cuAddr % widthInCU) ? m_encData->getPicCTU(m_cuAddr - 1) : NULL; m_cuAbove = (m_cuAddr / widthInCU) ? m_encData->getPicCTU(m_cuAddr - widthInCU) : NULL; m_cuAboveLeft = (m_cuLeft && m_cuAbove) ? m_encData->getPicCTU(m_cuAddr - widthInCU - 1) : NULL; m_cuAboveRight = (m_cuAbove && ((m_cuAddr % widthInCU) < (widthInCU - 1))) ? m_encData->getPicCTU(m_cuAddr - widthInCU + 1) : NULL; } // initialize Sub partition void CUData::initSubCU(const CUData& ctu, const CUGeom& cuGeom, int qp) { m_absIdxInCTU = cuGeom.absPartIdx; m_encData = ctu.m_encData; m_slice = ctu.m_slice; m_cuAddr = ctu.m_cuAddr; m_cuPelX = ctu.m_cuPelX + g_zscanToPelX[cuGeom.absPartIdx]; m_cuPelY = ctu.m_cuPelY + g_zscanToPelY[cuGeom.absPartIdx]; m_cuLeft = ctu.m_cuLeft; m_cuAbove = ctu.m_cuAbove; m_cuAboveLeft = ctu.m_cuAboveLeft; m_cuAboveRight = ctu.m_cuAboveRight; X265_CHECK(m_numPartitions == cuGeom.numPartitions, "initSubCU() size mismatch\n"); m_partSet((uint8_t*)m_qp, (uint8_t)qp); m_partSet(m_log2CUSize, (uint8_t)cuGeom.log2CUSize); m_partSet(m_lumaIntraDir, (uint8_t)DC_IDX); m_partSet(m_tqBypass, (uint8_t)m_encData->m_param->bLossless); m_partSet((uint8_t*)m_refIdx[0], (uint8_t)REF_NOT_VALID); m_partSet((uint8_t*)m_refIdx[1], (uint8_t)REF_NOT_VALID); m_partSet(m_cuDepth, (uint8_t)cuGeom.depth); /* initialize the remaining CU data in one memset */ memset(m_predMode, 0, (BytesPerPartition - 7) * m_numPartitions); } /* Copy the results of a sub-part (split) CU to the parent CU */ void CUData::copyPartFrom(const CUData& subCU, const CUGeom& childGeom, uint32_t subPartIdx) { X265_CHECK(subPartIdx < 4, "part unit should be less than 4\n"); uint32_t offset = childGeom.numPartitions * subPartIdx; m_subPartCopy((uint8_t*)m_qp + offset, (uint8_t*)subCU.m_qp); m_subPartCopy(m_log2CUSize + offset, subCU.m_log2CUSize); m_subPartCopy(m_lumaIntraDir + offset, subCU.m_lumaIntraDir); m_subPartCopy(m_tqBypass + offset, subCU.m_tqBypass); m_subPartCopy((uint8_t*)m_refIdx[0] + offset, (uint8_t*)subCU.m_refIdx[0]); m_subPartCopy((uint8_t*)m_refIdx[1] + offset, (uint8_t*)subCU.m_refIdx[1]); m_subPartCopy(m_cuDepth + offset, subCU.m_cuDepth); m_subPartCopy(m_predMode + offset, subCU.m_predMode); m_subPartCopy(m_partSize + offset, subCU.m_partSize); m_subPartCopy(m_mergeFlag + offset, subCU.m_mergeFlag); m_subPartCopy(m_interDir + offset, subCU.m_interDir); m_subPartCopy(m_mvpIdx[0] + offset, subCU.m_mvpIdx[0]); m_subPartCopy(m_mvpIdx[1] + offset, subCU.m_mvpIdx[1]); m_subPartCopy(m_tuDepth + offset, subCU.m_tuDepth); m_subPartCopy(m_transformSkip[0] + offset, subCU.m_transformSkip[0]); m_subPartCopy(m_transformSkip[1] + offset, subCU.m_transformSkip[1]); m_subPartCopy(m_transformSkip[2] + offset, subCU.m_transformSkip[2]); m_subPartCopy(m_cbf[0] + offset, subCU.m_cbf[0]); m_subPartCopy(m_cbf[1] + offset, subCU.m_cbf[1]); m_subPartCopy(m_cbf[2] + offset, subCU.m_cbf[2]); m_subPartCopy(m_chromaIntraDir + offset, subCU.m_chromaIntraDir); memcpy(m_mv[0] + offset, subCU.m_mv[0], childGeom.numPartitions * sizeof(MV)); memcpy(m_mv[1] + offset, subCU.m_mv[1], childGeom.numPartitions * sizeof(MV)); memcpy(m_mvd[0] + offset, subCU.m_mvd[0], childGeom.numPartitions * sizeof(MV)); memcpy(m_mvd[1] + offset, subCU.m_mvd[1], childGeom.numPartitions * sizeof(MV)); uint32_t tmp = 1 << ((g_maxLog2CUSize - childGeom.depth) * 2); uint32_t tmp2 = subPartIdx * tmp; memcpy(m_trCoeff[0] + tmp2, subCU.m_trCoeff[0], sizeof(coeff_t) * tmp); uint32_t tmpC = tmp >> (m_hChromaShift + m_vChromaShift); uint32_t tmpC2 = tmp2 >> (m_hChromaShift + m_vChromaShift); memcpy(m_trCoeff[1] + tmpC2, subCU.m_trCoeff[1], sizeof(coeff_t) * tmpC); memcpy(m_trCoeff[2] + tmpC2, subCU.m_trCoeff[2], sizeof(coeff_t) * tmpC); } /* If a sub-CU part is not present (off the edge of the picture) its depth and * log2size should still be configured */ void CUData::setEmptyPart(const CUGeom& childGeom, uint32_t subPartIdx) { uint32_t offset = childGeom.numPartitions * subPartIdx; m_subPartSet(m_cuDepth + offset, (uint8_t)childGeom.depth); m_subPartSet(m_log2CUSize + offset, (uint8_t)childGeom.log2CUSize); } /* Copy all CU data from one instance to the next, except set lossless flag * This will only get used when --cu-lossless is enabled but --lossless is not. */ void CUData::initLosslessCU(const CUData& cu, const CUGeom& cuGeom) { /* Start by making an exact copy */ m_encData = cu.m_encData; m_slice = cu.m_slice; m_cuAddr = cu.m_cuAddr; m_cuPelX = cu.m_cuPelX; m_cuPelY = cu.m_cuPelY; m_cuLeft = cu.m_cuLeft; m_cuAbove = cu.m_cuAbove; m_cuAboveLeft = cu.m_cuAboveLeft; m_cuAboveRight = cu.m_cuAboveRight; m_absIdxInCTU = cuGeom.absPartIdx; m_numPartitions = cuGeom.numPartitions; memcpy(m_qp, cu.m_qp, BytesPerPartition * m_numPartitions); memcpy(m_mv[0], cu.m_mv[0], m_numPartitions * sizeof(MV)); memcpy(m_mv[1], cu.m_mv[1], m_numPartitions * sizeof(MV)); memcpy(m_mvd[0], cu.m_mvd[0], m_numPartitions * sizeof(MV)); memcpy(m_mvd[1], cu.m_mvd[1], m_numPartitions * sizeof(MV)); /* force TQBypass to true */ m_partSet(m_tqBypass, true); /* clear residual coding flags */ m_partSet(m_predMode, cu.m_predMode[0] & (MODE_INTRA | MODE_INTER)); m_partSet(m_tuDepth, 0); m_partSet(m_transformSkip[0], 0); m_partSet(m_transformSkip[1], 0); m_partSet(m_transformSkip[2], 0); m_partSet(m_cbf[0], 0); m_partSet(m_cbf[1], 0); m_partSet(m_cbf[2], 0); } /* Copy completed predicted CU to CTU in picture */ void CUData::copyToPic(uint32_t depth) const { CUData& ctu = *m_encData->getPicCTU(m_cuAddr); m_partCopy((uint8_t*)ctu.m_qp + m_absIdxInCTU, (uint8_t*)m_qp); m_partCopy(ctu.m_log2CUSize + m_absIdxInCTU, m_log2CUSize); m_partCopy(ctu.m_lumaIntraDir + m_absIdxInCTU, m_lumaIntraDir); m_partCopy(ctu.m_tqBypass + m_absIdxInCTU, m_tqBypass); m_partCopy((uint8_t*)ctu.m_refIdx[0] + m_absIdxInCTU, (uint8_t*)m_refIdx[0]); m_partCopy((uint8_t*)ctu.m_refIdx[1] + m_absIdxInCTU, (uint8_t*)m_refIdx[1]); m_partCopy(ctu.m_cuDepth + m_absIdxInCTU, m_cuDepth); m_partCopy(ctu.m_predMode + m_absIdxInCTU, m_predMode); m_partCopy(ctu.m_partSize + m_absIdxInCTU, m_partSize); m_partCopy(ctu.m_mergeFlag + m_absIdxInCTU, m_mergeFlag); m_partCopy(ctu.m_interDir + m_absIdxInCTU, m_interDir); m_partCopy(ctu.m_mvpIdx[0] + m_absIdxInCTU, m_mvpIdx[0]); m_partCopy(ctu.m_mvpIdx[1] + m_absIdxInCTU, m_mvpIdx[1]); m_partCopy(ctu.m_tuDepth + m_absIdxInCTU, m_tuDepth); m_partCopy(ctu.m_transformSkip[0] + m_absIdxInCTU, m_transformSkip[0]); m_partCopy(ctu.m_transformSkip[1] + m_absIdxInCTU, m_transformSkip[1]); m_partCopy(ctu.m_transformSkip[2] + m_absIdxInCTU, m_transformSkip[2]); m_partCopy(ctu.m_cbf[0] + m_absIdxInCTU, m_cbf[0]); m_partCopy(ctu.m_cbf[1] + m_absIdxInCTU, m_cbf[1]); m_partCopy(ctu.m_cbf[2] + m_absIdxInCTU, m_cbf[2]); m_partCopy(ctu.m_chromaIntraDir + m_absIdxInCTU, m_chromaIntraDir); memcpy(ctu.m_mv[0] + m_absIdxInCTU, m_mv[0], m_numPartitions * sizeof(MV)); memcpy(ctu.m_mv[1] + m_absIdxInCTU, m_mv[1], m_numPartitions * sizeof(MV)); memcpy(ctu.m_mvd[0] + m_absIdxInCTU, m_mvd[0], m_numPartitions * sizeof(MV)); memcpy(ctu.m_mvd[1] + m_absIdxInCTU, m_mvd[1], m_numPartitions * sizeof(MV)); uint32_t tmpY = 1 << ((g_maxLog2CUSize - depth) * 2); uint32_t tmpY2 = m_absIdxInCTU << (LOG2_UNIT_SIZE * 2); memcpy(ctu.m_trCoeff[0] + tmpY2, m_trCoeff[0], sizeof(coeff_t) * tmpY); uint32_t tmpC = tmpY >> (m_hChromaShift + m_vChromaShift); uint32_t tmpC2 = tmpY2 >> (m_hChromaShift + m_vChromaShift); memcpy(ctu.m_trCoeff[1] + tmpC2, m_trCoeff[1], sizeof(coeff_t) * tmpC); memcpy(ctu.m_trCoeff[2] + tmpC2, m_trCoeff[2], sizeof(coeff_t) * tmpC); } /* The reverse of copyToPic, called only by encodeResidue */ void CUData::copyFromPic(const CUData& ctu, const CUGeom& cuGeom) { m_encData = ctu.m_encData; m_slice = ctu.m_slice; m_cuAddr = ctu.m_cuAddr; m_cuPelX = ctu.m_cuPelX + g_zscanToPelX[cuGeom.absPartIdx]; m_cuPelY = ctu.m_cuPelY + g_zscanToPelY[cuGeom.absPartIdx]; m_absIdxInCTU = cuGeom.absPartIdx; m_numPartitions = cuGeom.numPartitions; /* copy out all prediction info for this part */ m_partCopy((uint8_t*)m_qp, (uint8_t*)ctu.m_qp + m_absIdxInCTU); m_partCopy(m_log2CUSize, ctu.m_log2CUSize + m_absIdxInCTU); m_partCopy(m_lumaIntraDir, ctu.m_lumaIntraDir + m_absIdxInCTU); m_partCopy(m_tqBypass, ctu.m_tqBypass + m_absIdxInCTU); m_partCopy((uint8_t*)m_refIdx[0], (uint8_t*)ctu.m_refIdx[0] + m_absIdxInCTU); m_partCopy((uint8_t*)m_refIdx[1], (uint8_t*)ctu.m_refIdx[1] + m_absIdxInCTU); m_partCopy(m_cuDepth, ctu.m_cuDepth + m_absIdxInCTU); m_partSet(m_predMode, ctu.m_predMode[m_absIdxInCTU] & (MODE_INTRA | MODE_INTER)); /* clear skip flag */ m_partCopy(m_partSize, ctu.m_partSize + m_absIdxInCTU); m_partCopy(m_mergeFlag, ctu.m_mergeFlag + m_absIdxInCTU); m_partCopy(m_interDir, ctu.m_interDir + m_absIdxInCTU); m_partCopy(m_mvpIdx[0], ctu.m_mvpIdx[0] + m_absIdxInCTU); m_partCopy(m_mvpIdx[1], ctu.m_mvpIdx[1] + m_absIdxInCTU); m_partCopy(m_chromaIntraDir, ctu.m_chromaIntraDir + m_absIdxInCTU); memcpy(m_mv[0], ctu.m_mv[0] + m_absIdxInCTU, m_numPartitions * sizeof(MV)); memcpy(m_mv[1], ctu.m_mv[1] + m_absIdxInCTU, m_numPartitions * sizeof(MV)); memcpy(m_mvd[0], ctu.m_mvd[0] + m_absIdxInCTU, m_numPartitions * sizeof(MV)); memcpy(m_mvd[1], ctu.m_mvd[1] + m_absIdxInCTU, m_numPartitions * sizeof(MV)); /* clear residual coding flags */ m_partSet(m_tuDepth, 0); m_partSet(m_transformSkip[0], 0); m_partSet(m_transformSkip[1], 0); m_partSet(m_transformSkip[2], 0); m_partSet(m_cbf[0], 0); m_partSet(m_cbf[1], 0); m_partSet(m_cbf[2], 0); } /* Only called by encodeResidue, these fields can be modified during inter/intra coding */ void CUData::updatePic(uint32_t depth) const { CUData& ctu = *m_encData->getPicCTU(m_cuAddr); m_partCopy((uint8_t*)ctu.m_qp + m_absIdxInCTU, (uint8_t*)m_qp); m_partCopy(ctu.m_transformSkip[0] + m_absIdxInCTU, m_transformSkip[0]); m_partCopy(ctu.m_transformSkip[1] + m_absIdxInCTU, m_transformSkip[1]); m_partCopy(ctu.m_transformSkip[2] + m_absIdxInCTU, m_transformSkip[2]); m_partCopy(ctu.m_predMode + m_absIdxInCTU, m_predMode); m_partCopy(ctu.m_tuDepth + m_absIdxInCTU, m_tuDepth); m_partCopy(ctu.m_cbf[0] + m_absIdxInCTU, m_cbf[0]); m_partCopy(ctu.m_cbf[1] + m_absIdxInCTU, m_cbf[1]); m_partCopy(ctu.m_cbf[2] + m_absIdxInCTU, m_cbf[2]); m_partCopy(ctu.m_chromaIntraDir + m_absIdxInCTU, m_chromaIntraDir); uint32_t tmpY = 1 << ((g_maxLog2CUSize - depth) * 2); uint32_t tmpY2 = m_absIdxInCTU << (LOG2_UNIT_SIZE * 2); memcpy(ctu.m_trCoeff[0] + tmpY2, m_trCoeff[0], sizeof(coeff_t) * tmpY); tmpY >>= m_hChromaShift + m_vChromaShift; tmpY2 >>= m_hChromaShift + m_vChromaShift; memcpy(ctu.m_trCoeff[1] + tmpY2, m_trCoeff[1], sizeof(coeff_t) * tmpY); memcpy(ctu.m_trCoeff[2] + tmpY2, m_trCoeff[2], sizeof(coeff_t) * tmpY); } const CUData* CUData::getPULeft(uint32_t& lPartUnitIdx, uint32_t curPartUnitIdx) const { uint32_t absPartIdx = g_zscanToRaster[curPartUnitIdx]; if (!isZeroCol(absPartIdx, s_numPartInCUSize)) { uint32_t absZorderCUIdx = g_zscanToRaster[m_absIdxInCTU]; lPartUnitIdx = g_rasterToZscan[absPartIdx - 1]; if (isEqualCol(absPartIdx, absZorderCUIdx, s_numPartInCUSize)) return m_encData->getPicCTU(m_cuAddr); else { lPartUnitIdx -= m_absIdxInCTU; return this; } } lPartUnitIdx = g_rasterToZscan[absPartIdx + s_numPartInCUSize - 1]; return m_cuLeft; } const CUData* CUData::getPUAbove(uint32_t& aPartUnitIdx, uint32_t curPartUnitIdx) const { uint32_t absPartIdx = g_zscanToRaster[curPartUnitIdx]; if (!isZeroRow(absPartIdx, s_numPartInCUSize)) { uint32_t absZorderCUIdx = g_zscanToRaster[m_absIdxInCTU]; aPartUnitIdx = g_rasterToZscan[absPartIdx - s_numPartInCUSize]; if (isEqualRow(absPartIdx, absZorderCUIdx, s_numPartInCUSize)) return m_encData->getPicCTU(m_cuAddr); else aPartUnitIdx -= m_absIdxInCTU; return this; } aPartUnitIdx = g_rasterToZscan[absPartIdx + NUM_4x4_PARTITIONS - s_numPartInCUSize]; return m_cuAbove; } const CUData* CUData::getPUAboveLeft(uint32_t& alPartUnitIdx, uint32_t curPartUnitIdx) const { uint32_t absPartIdx = g_zscanToRaster[curPartUnitIdx]; if (!isZeroCol(absPartIdx, s_numPartInCUSize)) { if (!isZeroRow(absPartIdx, s_numPartInCUSize)) { uint32_t absZorderCUIdx = g_zscanToRaster[m_absIdxInCTU]; alPartUnitIdx = g_rasterToZscan[absPartIdx - s_numPartInCUSize - 1]; if (isEqualRowOrCol(absPartIdx, absZorderCUIdx, s_numPartInCUSize)) return m_encData->getPicCTU(m_cuAddr); else { alPartUnitIdx -= m_absIdxInCTU; return this; } } alPartUnitIdx = g_rasterToZscan[absPartIdx + NUM_4x4_PARTITIONS - s_numPartInCUSize - 1]; return m_cuAbove; } if (!isZeroRow(absPartIdx, s_numPartInCUSize)) { alPartUnitIdx = g_rasterToZscan[absPartIdx - 1]; return m_cuLeft; } alPartUnitIdx = g_rasterToZscan[NUM_4x4_PARTITIONS - 1]; return m_cuAboveLeft; } const CUData* CUData::getPUAboveRight(uint32_t& arPartUnitIdx, uint32_t curPartUnitIdx) const { if ((m_encData->getPicCTU(m_cuAddr)->m_cuPelX + g_zscanToPelX[curPartUnitIdx] + UNIT_SIZE) >= m_slice->m_sps->picWidthInLumaSamples) return NULL; uint32_t absPartIdxRT = g_zscanToRaster[curPartUnitIdx]; if (lessThanCol(absPartIdxRT, s_numPartInCUSize - 1, s_numPartInCUSize)) { if (!isZeroRow(absPartIdxRT, s_numPartInCUSize)) { if (curPartUnitIdx > g_rasterToZscan[absPartIdxRT - s_numPartInCUSize + 1]) { uint32_t absZorderCUIdx = g_zscanToRaster[m_absIdxInCTU] + (1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE)) - 1; arPartUnitIdx = g_rasterToZscan[absPartIdxRT - s_numPartInCUSize + 1]; if (isEqualRowOrCol(absPartIdxRT, absZorderCUIdx, s_numPartInCUSize)) return m_encData->getPicCTU(m_cuAddr); else { arPartUnitIdx -= m_absIdxInCTU; return this; } } return NULL; } arPartUnitIdx = g_rasterToZscan[absPartIdxRT + NUM_4x4_PARTITIONS - s_numPartInCUSize + 1]; return m_cuAbove; } if (!isZeroRow(absPartIdxRT, s_numPartInCUSize)) return NULL; arPartUnitIdx = g_rasterToZscan[NUM_4x4_PARTITIONS - s_numPartInCUSize]; return m_cuAboveRight; } const CUData* CUData::getPUBelowLeft(uint32_t& blPartUnitIdx, uint32_t curPartUnitIdx) const { if ((m_encData->getPicCTU(m_cuAddr)->m_cuPelY + g_zscanToPelY[curPartUnitIdx] + UNIT_SIZE) >= m_slice->m_sps->picHeightInLumaSamples) return NULL; uint32_t absPartIdxLB = g_zscanToRaster[curPartUnitIdx]; if (lessThanRow(absPartIdxLB, s_numPartInCUSize - 1, s_numPartInCUSize)) { if (!isZeroCol(absPartIdxLB, s_numPartInCUSize)) { if (curPartUnitIdx > g_rasterToZscan[absPartIdxLB + s_numPartInCUSize - 1]) { uint32_t absZorderCUIdxLB = g_zscanToRaster[m_absIdxInCTU] + ((1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE)) - 1) * s_numPartInCUSize; blPartUnitIdx = g_rasterToZscan[absPartIdxLB + s_numPartInCUSize - 1]; if (isEqualRowOrCol(absPartIdxLB, absZorderCUIdxLB, s_numPartInCUSize)) return m_encData->getPicCTU(m_cuAddr); else { blPartUnitIdx -= m_absIdxInCTU; return this; } } return NULL; } blPartUnitIdx = g_rasterToZscan[absPartIdxLB + s_numPartInCUSize * 2 - 1]; return m_cuLeft; } return NULL; } const CUData* CUData::getPUBelowLeftAdi(uint32_t& blPartUnitIdx, uint32_t curPartUnitIdx, uint32_t partUnitOffset) const { if ((m_encData->getPicCTU(m_cuAddr)->m_cuPelY + g_zscanToPelY[curPartUnitIdx] + (partUnitOffset << LOG2_UNIT_SIZE)) >= m_slice->m_sps->picHeightInLumaSamples) return NULL; uint32_t absPartIdxLB = g_zscanToRaster[curPartUnitIdx]; if (lessThanRow(absPartIdxLB, s_numPartInCUSize - partUnitOffset, s_numPartInCUSize)) { if (!isZeroCol(absPartIdxLB, s_numPartInCUSize)) { if (curPartUnitIdx > g_rasterToZscan[absPartIdxLB + partUnitOffset * s_numPartInCUSize - 1]) { uint32_t absZorderCUIdxLB = g_zscanToRaster[m_absIdxInCTU] + ((1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE)) - 1) * s_numPartInCUSize; blPartUnitIdx = g_rasterToZscan[absPartIdxLB + partUnitOffset * s_numPartInCUSize - 1]; if (isEqualRowOrCol(absPartIdxLB, absZorderCUIdxLB, s_numPartInCUSize)) return m_encData->getPicCTU(m_cuAddr); else { blPartUnitIdx -= m_absIdxInCTU; return this; } } return NULL; } blPartUnitIdx = g_rasterToZscan[absPartIdxLB + (1 + partUnitOffset) * s_numPartInCUSize - 1]; return m_cuLeft; } return NULL; } const CUData* CUData::getPUAboveRightAdi(uint32_t& arPartUnitIdx, uint32_t curPartUnitIdx, uint32_t partUnitOffset) const { if ((m_encData->getPicCTU(m_cuAddr)->m_cuPelX + g_zscanToPelX[curPartUnitIdx] + (partUnitOffset << LOG2_UNIT_SIZE)) >= m_slice->m_sps->picWidthInLumaSamples) return NULL; uint32_t absPartIdxRT = g_zscanToRaster[curPartUnitIdx]; if (lessThanCol(absPartIdxRT, s_numPartInCUSize - partUnitOffset, s_numPartInCUSize)) { if (!isZeroRow(absPartIdxRT, s_numPartInCUSize)) { if (curPartUnitIdx > g_rasterToZscan[absPartIdxRT - s_numPartInCUSize + partUnitOffset]) { uint32_t absZorderCUIdx = g_zscanToRaster[m_absIdxInCTU] + (1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE)) - 1; arPartUnitIdx = g_rasterToZscan[absPartIdxRT - s_numPartInCUSize + partUnitOffset]; if (isEqualRowOrCol(absPartIdxRT, absZorderCUIdx, s_numPartInCUSize)) return m_encData->getPicCTU(m_cuAddr); else { arPartUnitIdx -= m_absIdxInCTU; return this; } } return NULL; } arPartUnitIdx = g_rasterToZscan[absPartIdxRT + NUM_4x4_PARTITIONS - s_numPartInCUSize + partUnitOffset]; return m_cuAbove; } if (!isZeroRow(absPartIdxRT, s_numPartInCUSize)) return NULL; arPartUnitIdx = g_rasterToZscan[NUM_4x4_PARTITIONS - s_numPartInCUSize + partUnitOffset - 1]; return m_cuAboveRight; } /* Get left QpMinCu */ const CUData* CUData::getQpMinCuLeft(uint32_t& lPartUnitIdx, uint32_t curAbsIdxInCTU) const { uint32_t absZorderQpMinCUIdx = curAbsIdxInCTU & (0xFF << (g_unitSizeDepth - m_slice->m_pps->maxCuDQPDepth) * 2); uint32_t absRorderQpMinCUIdx = g_zscanToRaster[absZorderQpMinCUIdx]; // check for left CTU boundary if (isZeroCol(absRorderQpMinCUIdx, s_numPartInCUSize)) return NULL; // get index of left-CU relative to top-left corner of current quantization group lPartUnitIdx = g_rasterToZscan[absRorderQpMinCUIdx - 1]; // return pointer to current CTU return m_encData->getPicCTU(m_cuAddr); } /* Get above QpMinCu */ const CUData* CUData::getQpMinCuAbove(uint32_t& aPartUnitIdx, uint32_t curAbsIdxInCTU) const { uint32_t absZorderQpMinCUIdx = curAbsIdxInCTU & (0xFF << (g_unitSizeDepth - m_slice->m_pps->maxCuDQPDepth) * 2); uint32_t absRorderQpMinCUIdx = g_zscanToRaster[absZorderQpMinCUIdx]; // check for top CTU boundary if (isZeroRow(absRorderQpMinCUIdx, s_numPartInCUSize)) return NULL; // get index of top-CU relative to top-left corner of current quantization group aPartUnitIdx = g_rasterToZscan[absRorderQpMinCUIdx - s_numPartInCUSize]; // return pointer to current CTU return m_encData->getPicCTU(m_cuAddr); } /* Get reference QP from left QpMinCu or latest coded QP */ int8_t CUData::getRefQP(uint32_t curAbsIdxInCTU) const { uint32_t lPartIdx = 0, aPartIdx = 0; const CUData* cULeft = getQpMinCuLeft(lPartIdx, m_absIdxInCTU + curAbsIdxInCTU); const CUData* cUAbove = getQpMinCuAbove(aPartIdx, m_absIdxInCTU + curAbsIdxInCTU); return ((cULeft ? cULeft->m_qp[lPartIdx] : getLastCodedQP(curAbsIdxInCTU)) + (cUAbove ? cUAbove->m_qp[aPartIdx] : getLastCodedQP(curAbsIdxInCTU)) + 1) >> 1; } int CUData::getLastValidPartIdx(int absPartIdx) const { int lastValidPartIdx = absPartIdx - 1; while (lastValidPartIdx >= 0 && m_predMode[lastValidPartIdx] == MODE_NONE) { uint32_t depth = m_cuDepth[lastValidPartIdx]; lastValidPartIdx -= m_numPartitions >> (depth << 1); } return lastValidPartIdx; } int8_t CUData::getLastCodedQP(uint32_t absPartIdx) const { uint32_t quPartIdxMask = 0xFF << (g_unitSizeDepth - m_slice->m_pps->maxCuDQPDepth) * 2; int lastValidPartIdx = getLastValidPartIdx(absPartIdx & quPartIdxMask); if (lastValidPartIdx >= 0) return m_qp[lastValidPartIdx]; else { if (m_absIdxInCTU) return m_encData->getPicCTU(m_cuAddr)->getLastCodedQP(m_absIdxInCTU); else if (m_cuAddr > 0 && !(m_slice->m_pps->bEntropyCodingSyncEnabled && !(m_cuAddr % m_slice->m_sps->numCuInWidth))) return m_encData->getPicCTU(m_cuAddr - 1)->getLastCodedQP(NUM_4x4_PARTITIONS); else return (int8_t)m_slice->m_sliceQp; } } /* Get allowed chroma intra modes */ void CUData::getAllowedChromaDir(uint32_t absPartIdx, uint32_t* modeList) const { modeList[0] = PLANAR_IDX; modeList[1] = VER_IDX; modeList[2] = HOR_IDX; modeList[3] = DC_IDX; modeList[4] = DM_CHROMA_IDX; uint32_t lumaMode = m_lumaIntraDir[absPartIdx]; for (int i = 0; i < NUM_CHROMA_MODE - 1; i++) { if (lumaMode == modeList[i]) { modeList[i] = 34; // VER+8 mode break; } } } /* Get most probable intra modes */ int CUData::getIntraDirLumaPredictor(uint32_t absPartIdx, uint32_t* intraDirPred) const { const CUData* tempCU; uint32_t tempPartIdx; uint32_t leftIntraDir, aboveIntraDir; // Get intra direction of left PU tempCU = getPULeft(tempPartIdx, m_absIdxInCTU + absPartIdx); leftIntraDir = (tempCU && tempCU->isIntra(tempPartIdx)) ? tempCU->m_lumaIntraDir[tempPartIdx] : DC_IDX; // Get intra direction of above PU tempCU = g_zscanToPelY[m_absIdxInCTU + absPartIdx] > 0 ? getPUAbove(tempPartIdx, m_absIdxInCTU + absPartIdx) : NULL; aboveIntraDir = (tempCU && tempCU->isIntra(tempPartIdx)) ? tempCU->m_lumaIntraDir[tempPartIdx] : DC_IDX; if (leftIntraDir == aboveIntraDir) { if (leftIntraDir >= 2) // angular modes { intraDirPred[0] = leftIntraDir; intraDirPred[1] = ((leftIntraDir - 2 + 31) & 31) + 2; intraDirPred[2] = ((leftIntraDir - 2 + 1) & 31) + 2; } else //non-angular { intraDirPred[0] = PLANAR_IDX; intraDirPred[1] = DC_IDX; intraDirPred[2] = VER_IDX; } return 1; } else { intraDirPred[0] = leftIntraDir; intraDirPred[1] = aboveIntraDir; if (leftIntraDir && aboveIntraDir) //both modes are non-planar intraDirPred[2] = PLANAR_IDX; else intraDirPred[2] = (leftIntraDir + aboveIntraDir) < 2 ? VER_IDX : DC_IDX; return 2; } } uint32_t CUData::getCtxSplitFlag(uint32_t absPartIdx, uint32_t depth) const { const CUData* tempCU; uint32_t tempPartIdx; uint32_t ctx; // Get left split flag tempCU = getPULeft(tempPartIdx, m_absIdxInCTU + absPartIdx); ctx = (tempCU) ? ((tempCU->m_cuDepth[tempPartIdx] > depth) ? 1 : 0) : 0; // Get above split flag tempCU = getPUAbove(tempPartIdx, m_absIdxInCTU + absPartIdx); ctx += (tempCU) ? ((tempCU->m_cuDepth[tempPartIdx] > depth) ? 1 : 0) : 0; return ctx; } void CUData::getIntraTUQtDepthRange(uint32_t tuDepthRange[2], uint32_t absPartIdx) const { uint32_t log2CUSize = m_log2CUSize[absPartIdx]; uint32_t splitFlag = m_partSize[absPartIdx] != SIZE_2Nx2N; tuDepthRange[0] = m_slice->m_sps->quadtreeTULog2MinSize; tuDepthRange[1] = m_slice->m_sps->quadtreeTULog2MaxSize; tuDepthRange[0] = x265_clip3(tuDepthRange[0], tuDepthRange[1], log2CUSize - (m_slice->m_sps->quadtreeTUMaxDepthIntra - 1 + splitFlag)); } void CUData::getInterTUQtDepthRange(uint32_t tuDepthRange[2], uint32_t absPartIdx) const { uint32_t log2CUSize = m_log2CUSize[absPartIdx]; uint32_t quadtreeTUMaxDepth = m_slice->m_sps->quadtreeTUMaxDepthInter; uint32_t splitFlag = quadtreeTUMaxDepth == 1 && m_partSize[absPartIdx] != SIZE_2Nx2N; tuDepthRange[0] = m_slice->m_sps->quadtreeTULog2MinSize; tuDepthRange[1] = m_slice->m_sps->quadtreeTULog2MaxSize; tuDepthRange[0] = x265_clip3(tuDepthRange[0], tuDepthRange[1], log2CUSize - (quadtreeTUMaxDepth - 1 + splitFlag)); } uint32_t CUData::getCtxSkipFlag(uint32_t absPartIdx) const { const CUData* tempCU; uint32_t tempPartIdx; uint32_t ctx; // Get BCBP of left PU tempCU = getPULeft(tempPartIdx, m_absIdxInCTU + absPartIdx); ctx = tempCU ? tempCU->isSkipped(tempPartIdx) : 0; // Get BCBP of above PU tempCU = getPUAbove(tempPartIdx, m_absIdxInCTU + absPartIdx); ctx += tempCU ? tempCU->isSkipped(tempPartIdx) : 0; return ctx; } bool CUData::setQPSubCUs(int8_t qp, uint32_t absPartIdx, uint32_t depth) { uint32_t curPartNumb = NUM_4x4_PARTITIONS >> (depth << 1); uint32_t curPartNumQ = curPartNumb >> 2; if (m_cuDepth[absPartIdx] > depth) { for (uint32_t subPartIdx = 0; subPartIdx < 4; subPartIdx++) if (setQPSubCUs(qp, absPartIdx + subPartIdx * curPartNumQ, depth + 1)) return true; } else { if (getQtRootCbf(absPartIdx)) return true; else setQPSubParts(qp, absPartIdx, depth); } return false; } void CUData::setPUInterDir(uint8_t dir, uint32_t absPartIdx, uint32_t puIdx) { uint32_t curPartNumQ = m_numPartitions >> 2; X265_CHECK(puIdx < 2, "unexpected part unit index\n"); switch (m_partSize[absPartIdx]) { case SIZE_2Nx2N: memset(m_interDir + absPartIdx, dir, 4 * curPartNumQ); break; case SIZE_2NxN: memset(m_interDir + absPartIdx, dir, 2 * curPartNumQ); break; case SIZE_Nx2N: memset(m_interDir + absPartIdx, dir, curPartNumQ); memset(m_interDir + absPartIdx + 2 * curPartNumQ, dir, curPartNumQ); break; case SIZE_NxN: memset(m_interDir + absPartIdx, dir, curPartNumQ); break; case SIZE_2NxnU: if (!puIdx) { memset(m_interDir + absPartIdx, dir, (curPartNumQ >> 1)); memset(m_interDir + absPartIdx + curPartNumQ, dir, (curPartNumQ >> 1)); } else { memset(m_interDir + absPartIdx, dir, (curPartNumQ >> 1)); memset(m_interDir + absPartIdx + curPartNumQ, dir, ((curPartNumQ >> 1) + (curPartNumQ << 1))); } break; case SIZE_2NxnD: if (!puIdx) { memset(m_interDir + absPartIdx, dir, ((curPartNumQ << 1) + (curPartNumQ >> 1))); memset(m_interDir + absPartIdx + (curPartNumQ << 1) + curPartNumQ, dir, (curPartNumQ >> 1)); } else { memset(m_interDir + absPartIdx, dir, (curPartNumQ >> 1)); memset(m_interDir + absPartIdx + curPartNumQ, dir, (curPartNumQ >> 1)); } break; case SIZE_nLx2N: if (!puIdx) { memset(m_interDir + absPartIdx, dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ >> 1), dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ << 1), dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ << 1) + (curPartNumQ >> 1), dir, (curPartNumQ >> 2)); } else { memset(m_interDir + absPartIdx, dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ >> 1), dir, (curPartNumQ + (curPartNumQ >> 2))); memset(m_interDir + absPartIdx + (curPartNumQ << 1), dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ << 1) + (curPartNumQ >> 1), dir, (curPartNumQ + (curPartNumQ >> 2))); } break; case SIZE_nRx2N: if (!puIdx) { memset(m_interDir + absPartIdx, dir, (curPartNumQ + (curPartNumQ >> 2))); memset(m_interDir + absPartIdx + curPartNumQ + (curPartNumQ >> 1), dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ << 1), dir, (curPartNumQ + (curPartNumQ >> 2))); memset(m_interDir + absPartIdx + (curPartNumQ << 1) + curPartNumQ + (curPartNumQ >> 1), dir, (curPartNumQ >> 2)); } else { memset(m_interDir + absPartIdx, dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ >> 1), dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ << 1), dir, (curPartNumQ >> 2)); memset(m_interDir + absPartIdx + (curPartNumQ << 1) + (curPartNumQ >> 1), dir, (curPartNumQ >> 2)); } break; default: X265_CHECK(0, "unexpected part type\n"); break; } } template void CUData::setAllPU(T* p, const T& val, int absPartIdx, int puIdx) { int i; p += absPartIdx; int numElements = m_numPartitions; switch (m_partSize[absPartIdx]) { case SIZE_2Nx2N: for (i = 0; i < numElements; i++) p[i] = val; break; case SIZE_2NxN: numElements >>= 1; for (i = 0; i < numElements; i++) p[i] = val; break; case SIZE_Nx2N: numElements >>= 2; for (i = 0; i < numElements; i++) { p[i] = val; p[i + 2 * numElements] = val; } break; case SIZE_2NxnU: { int curPartNumQ = numElements >> 2; if (!puIdx) { T *pT = p; T *pT2 = p + curPartNumQ; for (i = 0; i < (curPartNumQ >> 1); i++) { pT[i] = val; pT2[i] = val; } } else { T *pT = p; for (i = 0; i < (curPartNumQ >> 1); i++) pT[i] = val; pT = p + curPartNumQ; for (i = 0; i < ((curPartNumQ >> 1) + (curPartNumQ << 1)); i++) pT[i] = val; } break; } case SIZE_2NxnD: { int curPartNumQ = numElements >> 2; if (!puIdx) { T *pT = p; for (i = 0; i < ((curPartNumQ >> 1) + (curPartNumQ << 1)); i++) pT[i] = val; pT = p + (numElements - curPartNumQ); for (i = 0; i < (curPartNumQ >> 1); i++) pT[i] = val; } else { T *pT = p; T *pT2 = p + curPartNumQ; for (i = 0; i < (curPartNumQ >> 1); i++) { pT[i] = val; pT2[i] = val; } } break; } case SIZE_nLx2N: { int curPartNumQ = numElements >> 2; if (!puIdx) { T *pT = p; T *pT2 = p + (curPartNumQ << 1); T *pT3 = p + (curPartNumQ >> 1); T *pT4 = p + (curPartNumQ << 1) + (curPartNumQ >> 1); for (i = 0; i < (curPartNumQ >> 2); i++) { pT[i] = val; pT2[i] = val; pT3[i] = val; pT4[i] = val; } } else { T *pT = p; T *pT2 = p + (curPartNumQ << 1); for (i = 0; i < (curPartNumQ >> 2); i++) { pT[i] = val; pT2[i] = val; } pT = p + (curPartNumQ >> 1); pT2 = p + (curPartNumQ << 1) + (curPartNumQ >> 1); for (i = 0; i < ((curPartNumQ >> 2) + curPartNumQ); i++) { pT[i] = val; pT2[i] = val; } } break; } case SIZE_nRx2N: { int curPartNumQ = numElements >> 2; if (!puIdx) { T *pT = p; T *pT2 = p + (curPartNumQ << 1); for (i = 0; i < ((curPartNumQ >> 2) + curPartNumQ); i++) { pT[i] = val; pT2[i] = val; } pT = p + curPartNumQ + (curPartNumQ >> 1); pT2 = p + numElements - curPartNumQ + (curPartNumQ >> 1); for (i = 0; i < (curPartNumQ >> 2); i++) { pT[i] = val; pT2[i] = val; } } else { T *pT = p; T *pT2 = p + (curPartNumQ >> 1); T *pT3 = p + (curPartNumQ << 1); T *pT4 = p + (curPartNumQ << 1) + (curPartNumQ >> 1); for (i = 0; i < (curPartNumQ >> 2); i++) { pT[i] = val; pT2[i] = val; pT3[i] = val; pT4[i] = val; } } break; } case SIZE_NxN: default: X265_CHECK(0, "unknown partition type\n"); break; } } void CUData::setPUMv(int list, const MV& mv, int absPartIdx, int puIdx) { setAllPU(m_mv[list], mv, absPartIdx, puIdx); } void CUData::setPURefIdx(int list, int8_t refIdx, int absPartIdx, int puIdx) { setAllPU(m_refIdx[list], refIdx, absPartIdx, puIdx); } void CUData::getPartIndexAndSize(uint32_t partIdx, uint32_t& outPartAddr, int& outWidth, int& outHeight) const { int cuSize = 1 << m_log2CUSize[0]; int partType = m_partSize[0]; int tmp = partTable[partType][partIdx][0]; outWidth = ((tmp >> 4) * cuSize) >> 2; outHeight = ((tmp & 0xF) * cuSize) >> 2; outPartAddr = (partAddrTable[partType][partIdx] * m_numPartitions) >> 4; } void CUData::getMvField(const CUData* cu, uint32_t absPartIdx, int picList, MVField& outMvField) const { if (cu) { outMvField.mv = cu->m_mv[picList][absPartIdx]; outMvField.refIdx = cu->m_refIdx[picList][absPartIdx]; } else { // OUT OF BOUNDARY outMvField.mv = 0; outMvField.refIdx = REF_NOT_VALID; } } void CUData::deriveLeftRightTopIdx(uint32_t partIdx, uint32_t& partIdxLT, uint32_t& partIdxRT) const { partIdxLT = m_absIdxInCTU; partIdxRT = g_rasterToZscan[g_zscanToRaster[partIdxLT] + (1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE)) - 1]; switch (m_partSize[0]) { case SIZE_2Nx2N: break; case SIZE_2NxN: partIdxLT += (partIdx == 0) ? 0 : m_numPartitions >> 1; partIdxRT += (partIdx == 0) ? 0 : m_numPartitions >> 1; break; case SIZE_Nx2N: partIdxLT += (partIdx == 0) ? 0 : m_numPartitions >> 2; partIdxRT -= (partIdx == 1) ? 0 : m_numPartitions >> 2; break; case SIZE_NxN: partIdxLT += (m_numPartitions >> 2) * partIdx; partIdxRT += (m_numPartitions >> 2) * (partIdx - 1); break; case SIZE_2NxnU: partIdxLT += (partIdx == 0) ? 0 : m_numPartitions >> 3; partIdxRT += (partIdx == 0) ? 0 : m_numPartitions >> 3; break; case SIZE_2NxnD: partIdxLT += (partIdx == 0) ? 0 : (m_numPartitions >> 1) + (m_numPartitions >> 3); partIdxRT += (partIdx == 0) ? 0 : (m_numPartitions >> 1) + (m_numPartitions >> 3); break; case SIZE_nLx2N: partIdxLT += (partIdx == 0) ? 0 : m_numPartitions >> 4; partIdxRT -= (partIdx == 1) ? 0 : (m_numPartitions >> 2) + (m_numPartitions >> 4); break; case SIZE_nRx2N: partIdxLT += (partIdx == 0) ? 0 : (m_numPartitions >> 2) + (m_numPartitions >> 4); partIdxRT -= (partIdx == 1) ? 0 : m_numPartitions >> 4; break; default: X265_CHECK(0, "unexpected part index\n"); break; } } uint32_t CUData::deriveLeftBottomIdx(uint32_t puIdx) const { uint32_t outPartIdxLB; outPartIdxLB = g_rasterToZscan[g_zscanToRaster[m_absIdxInCTU] + ((1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE - 1)) - 1) * s_numPartInCUSize]; switch (m_partSize[0]) { case SIZE_2Nx2N: outPartIdxLB += m_numPartitions >> 1; break; case SIZE_2NxN: outPartIdxLB += puIdx ? m_numPartitions >> 1 : 0; break; case SIZE_Nx2N: outPartIdxLB += puIdx ? (m_numPartitions >> 2) * 3 : m_numPartitions >> 1; break; case SIZE_NxN: outPartIdxLB += (m_numPartitions >> 2) * puIdx; break; case SIZE_2NxnU: outPartIdxLB += puIdx ? m_numPartitions >> 1 : -((int)m_numPartitions >> 3); break; case SIZE_2NxnD: outPartIdxLB += puIdx ? m_numPartitions >> 1 : (m_numPartitions >> 2) + (m_numPartitions >> 3); break; case SIZE_nLx2N: outPartIdxLB += puIdx ? (m_numPartitions >> 1) + (m_numPartitions >> 4) : m_numPartitions >> 1; break; case SIZE_nRx2N: outPartIdxLB += puIdx ? (m_numPartitions >> 1) + (m_numPartitions >> 2) + (m_numPartitions >> 4) : m_numPartitions >> 1; break; default: X265_CHECK(0, "unexpected part index\n"); break; } return outPartIdxLB; } /* Derives the partition index of neighboring bottom right block */ uint32_t CUData::deriveRightBottomIdx(uint32_t puIdx) const { uint32_t outPartIdxRB; outPartIdxRB = g_rasterToZscan[g_zscanToRaster[m_absIdxInCTU] + ((1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE - 1)) - 1) * s_numPartInCUSize + (1 << (m_log2CUSize[0] - LOG2_UNIT_SIZE)) - 1]; switch (m_partSize[0]) { case SIZE_2Nx2N: outPartIdxRB += m_numPartitions >> 1; break; case SIZE_2NxN: outPartIdxRB += puIdx ? m_numPartitions >> 1 : 0; break; case SIZE_Nx2N: outPartIdxRB += puIdx ? m_numPartitions >> 1 : m_numPartitions >> 2; break; case SIZE_NxN: outPartIdxRB += (m_numPartitions >> 2) * (puIdx - 1); break; case SIZE_2NxnU: outPartIdxRB += puIdx ? m_numPartitions >> 1 : -((int)m_numPartitions >> 3); break; case SIZE_2NxnD: outPartIdxRB += puIdx ? m_numPartitions >> 1 : (m_numPartitions >> 2) + (m_numPartitions >> 3); break; case SIZE_nLx2N: outPartIdxRB += puIdx ? m_numPartitions >> 1 : (m_numPartitions >> 3) + (m_numPartitions >> 4); break; case SIZE_nRx2N: outPartIdxRB += puIdx ? m_numPartitions >> 1 : (m_numPartitions >> 2) + (m_numPartitions >> 3) + (m_numPartitions >> 4); break; default: X265_CHECK(0, "unexpected part index\n"); break; } return outPartIdxRB; } bool CUData::hasEqualMotion(uint32_t absPartIdx, const CUData& candCU, uint32_t candAbsPartIdx) const { if (m_interDir[absPartIdx] != candCU.m_interDir[candAbsPartIdx]) return false; for (uint32_t refListIdx = 0; refListIdx < 2; refListIdx++) { if (m_interDir[absPartIdx] & (1 << refListIdx)) { if (m_mv[refListIdx][absPartIdx] != candCU.m_mv[refListIdx][candAbsPartIdx] || m_refIdx[refListIdx][absPartIdx] != candCU.m_refIdx[refListIdx][candAbsPartIdx]) return false; } } return true; } /* Construct list of merging candidates, returns count */ uint32_t CUData::getInterMergeCandidates(uint32_t absPartIdx, uint32_t puIdx, MVField(*candMvField)[2], uint8_t* candDir) const { uint32_t absPartAddr = m_absIdxInCTU + absPartIdx; const bool isInterB = m_slice->isInterB(); const uint32_t maxNumMergeCand = m_slice->m_maxNumMergeCand; for (uint32_t i = 0; i < maxNumMergeCand; ++i) { candMvField[i][0].mv = 0; candMvField[i][1].mv = 0; candMvField[i][0].refIdx = REF_NOT_VALID; candMvField[i][1].refIdx = REF_NOT_VALID; } /* calculate the location of upper-left corner pixel and size of the current PU */ int xP, yP, nPSW, nPSH; int cuSize = 1 << m_log2CUSize[0]; int partMode = m_partSize[0]; int tmp = partTable[partMode][puIdx][0]; nPSW = ((tmp >> 4) * cuSize) >> 2; nPSH = ((tmp & 0xF) * cuSize) >> 2; tmp = partTable[partMode][puIdx][1]; xP = ((tmp >> 4) * cuSize) >> 2; yP = ((tmp & 0xF) * cuSize) >> 2; uint32_t count = 0; uint32_t partIdxLT, partIdxRT, partIdxLB = deriveLeftBottomIdx(puIdx); PartSize curPS = (PartSize)m_partSize[absPartIdx]; // left uint32_t leftPartIdx = 0; const CUData* cuLeft = getPULeft(leftPartIdx, partIdxLB); bool isAvailableA1 = cuLeft && cuLeft->isDiffMER(xP - 1, yP + nPSH - 1, xP, yP) && !(puIdx == 1 && (curPS == SIZE_Nx2N || curPS == SIZE_nLx2N || curPS == SIZE_nRx2N)) && cuLeft->isInter(leftPartIdx); if (isAvailableA1) { // get Inter Dir candDir[count] = cuLeft->m_interDir[leftPartIdx]; // get Mv from Left cuLeft->getMvField(cuLeft, leftPartIdx, 0, candMvField[count][0]); if (isInterB) cuLeft->getMvField(cuLeft, leftPartIdx, 1, candMvField[count][1]); if (++count == maxNumMergeCand) return maxNumMergeCand; } deriveLeftRightTopIdx(puIdx, partIdxLT, partIdxRT); // above uint32_t abovePartIdx = 0; const CUData* cuAbove = getPUAbove(abovePartIdx, partIdxRT); bool isAvailableB1 = cuAbove && cuAbove->isDiffMER(xP + nPSW - 1, yP - 1, xP, yP) && !(puIdx == 1 && (curPS == SIZE_2NxN || curPS == SIZE_2NxnU || curPS == SIZE_2NxnD)) && cuAbove->isInter(abovePartIdx); if (isAvailableB1 && (!isAvailableA1 || !cuLeft->hasEqualMotion(leftPartIdx, *cuAbove, abovePartIdx))) { // get Inter Dir candDir[count] = cuAbove->m_interDir[abovePartIdx]; // get Mv from Left cuAbove->getMvField(cuAbove, abovePartIdx, 0, candMvField[count][0]); if (isInterB) cuAbove->getMvField(cuAbove, abovePartIdx, 1, candMvField[count][1]); if (++count == maxNumMergeCand) return maxNumMergeCand; } // above right uint32_t aboveRightPartIdx = 0; const CUData* cuAboveRight = getPUAboveRight(aboveRightPartIdx, partIdxRT); bool isAvailableB0 = cuAboveRight && cuAboveRight->isDiffMER(xP + nPSW, yP - 1, xP, yP) && cuAboveRight->isInter(aboveRightPartIdx); if (isAvailableB0 && (!isAvailableB1 || !cuAbove->hasEqualMotion(abovePartIdx, *cuAboveRight, aboveRightPartIdx))) { // get Inter Dir candDir[count] = cuAboveRight->m_interDir[aboveRightPartIdx]; // get Mv from Left cuAboveRight->getMvField(cuAboveRight, aboveRightPartIdx, 0, candMvField[count][0]); if (isInterB) cuAboveRight->getMvField(cuAboveRight, aboveRightPartIdx, 1, candMvField[count][1]); if (++count == maxNumMergeCand) return maxNumMergeCand; } // left bottom uint32_t leftBottomPartIdx = 0; const CUData* cuLeftBottom = this->getPUBelowLeft(leftBottomPartIdx, partIdxLB); bool isAvailableA0 = cuLeftBottom && cuLeftBottom->isDiffMER(xP - 1, yP + nPSH, xP, yP) && cuLeftBottom->isInter(leftBottomPartIdx); if (isAvailableA0 && (!isAvailableA1 || !cuLeft->hasEqualMotion(leftPartIdx, *cuLeftBottom, leftBottomPartIdx))) { // get Inter Dir candDir[count] = cuLeftBottom->m_interDir[leftBottomPartIdx]; // get Mv from Left cuLeftBottom->getMvField(cuLeftBottom, leftBottomPartIdx, 0, candMvField[count][0]); if (isInterB) cuLeftBottom->getMvField(cuLeftBottom, leftBottomPartIdx, 1, candMvField[count][1]); if (++count == maxNumMergeCand) return maxNumMergeCand; } // above left if (count < 4) { uint32_t aboveLeftPartIdx = 0; const CUData* cuAboveLeft = getPUAboveLeft(aboveLeftPartIdx, absPartAddr); bool isAvailableB2 = cuAboveLeft && cuAboveLeft->isDiffMER(xP - 1, yP - 1, xP, yP) && cuAboveLeft->isInter(aboveLeftPartIdx); if (isAvailableB2 && (!isAvailableA1 || !cuLeft->hasEqualMotion(leftPartIdx, *cuAboveLeft, aboveLeftPartIdx)) && (!isAvailableB1 || !cuAbove->hasEqualMotion(abovePartIdx, *cuAboveLeft, aboveLeftPartIdx))) { // get Inter Dir candDir[count] = cuAboveLeft->m_interDir[aboveLeftPartIdx]; // get Mv from Left cuAboveLeft->getMvField(cuAboveLeft, aboveLeftPartIdx, 0, candMvField[count][0]); if (isInterB) cuAboveLeft->getMvField(cuAboveLeft, aboveLeftPartIdx, 1, candMvField[count][1]); if (++count == maxNumMergeCand) return maxNumMergeCand; } } if (m_slice->m_sps->bTemporalMVPEnabled) { uint32_t partIdxRB = deriveRightBottomIdx(puIdx); MV colmv; int ctuIdx = -1; // image boundary check if (m_encData->getPicCTU(m_cuAddr)->m_cuPelX + g_zscanToPelX[partIdxRB] + UNIT_SIZE < m_slice->m_sps->picWidthInLumaSamples && m_encData->getPicCTU(m_cuAddr)->m_cuPelY + g_zscanToPelY[partIdxRB] + UNIT_SIZE < m_slice->m_sps->picHeightInLumaSamples) { uint32_t absPartIdxRB = g_zscanToRaster[partIdxRB]; uint32_t numUnits = s_numPartInCUSize; bool bNotLastCol = lessThanCol(absPartIdxRB, numUnits - 1, numUnits); // is not at the last column of CTU bool bNotLastRow = lessThanRow(absPartIdxRB, numUnits - 1, numUnits); // is not at the last row of CTU if (bNotLastCol && bNotLastRow) { absPartAddr = g_rasterToZscan[absPartIdxRB + numUnits + 1]; ctuIdx = m_cuAddr; } else if (bNotLastCol) absPartAddr = g_rasterToZscan[(absPartIdxRB + numUnits + 1) & (numUnits - 1)]; else if (bNotLastRow) { absPartAddr = g_rasterToZscan[absPartIdxRB + 1]; ctuIdx = m_cuAddr + 1; } else // is the right bottom corner of CTU absPartAddr = 0; } int maxList = isInterB ? 2 : 1; int dir = 0, refIdx = 0; for (int list = 0; list < maxList; list++) { bool bExistMV = ctuIdx >= 0 && getColMVP(colmv, refIdx, list, ctuIdx, absPartAddr); if (!bExistMV) { uint32_t partIdxCenter = deriveCenterIdx(puIdx); bExistMV = getColMVP(colmv, refIdx, list, m_cuAddr, partIdxCenter); } if (bExistMV) { dir |= (1 << list); candMvField[count][list].mv = colmv; candMvField[count][list].refIdx = refIdx; } } if (dir != 0) { candDir[count] = (uint8_t)dir; if (++count == maxNumMergeCand) return maxNumMergeCand; } } if (isInterB) { const uint32_t cutoff = count * (count - 1); uint32_t priorityList0 = 0xEDC984; // { 0, 1, 0, 2, 1, 2, 0, 3, 1, 3, 2, 3 } uint32_t priorityList1 = 0xB73621; // { 1, 0, 2, 0, 2, 1, 3, 0, 3, 1, 3, 2 } for (uint32_t idx = 0; idx < cutoff; idx++, priorityList0 >>= 2, priorityList1 >>= 2) { int i = priorityList0 & 3; int j = priorityList1 & 3; if ((candDir[i] & 0x1) && (candDir[j] & 0x2)) { // get Mv from cand[i] and cand[j] int refIdxL0 = candMvField[i][0].refIdx; int refIdxL1 = candMvField[j][1].refIdx; int refPOCL0 = m_slice->m_refPOCList[0][refIdxL0]; int refPOCL1 = m_slice->m_refPOCList[1][refIdxL1]; if (!(refPOCL0 == refPOCL1 && candMvField[i][0].mv == candMvField[j][1].mv)) { candMvField[count][0].mv = candMvField[i][0].mv; candMvField[count][0].refIdx = refIdxL0; candMvField[count][1].mv = candMvField[j][1].mv; candMvField[count][1].refIdx = refIdxL1; candDir[count] = 3; if (++count == maxNumMergeCand) return maxNumMergeCand; } } } } int numRefIdx = (isInterB) ? X265_MIN(m_slice->m_numRefIdx[0], m_slice->m_numRefIdx[1]) : m_slice->m_numRefIdx[0]; int r = 0; int refcnt = 0; while (count < maxNumMergeCand) { candDir[count] = 1; candMvField[count][0].mv.word = 0; candMvField[count][0].refIdx = r; if (isInterB) { candDir[count] = 3; candMvField[count][1].mv.word = 0; candMvField[count][1].refIdx = r; } count++; if (refcnt == numRefIdx - 1) r = 0; else { ++r; ++refcnt; } } return count; } // Create the PMV list. Called for each reference index. int CUData::getPMV(InterNeighbourMV *neighbours, uint32_t picList, uint32_t refIdx, MV* amvpCand, MV* pmv) const { MV directMV[MD_ABOVE_LEFT + 1]; MV indirectMV[MD_ABOVE_LEFT + 1]; bool validDirect[MD_ABOVE_LEFT + 1]; bool validIndirect[MD_ABOVE_LEFT + 1]; // Left candidate. validDirect[MD_BELOW_LEFT] = getDirectPMV(directMV[MD_BELOW_LEFT], neighbours + MD_BELOW_LEFT, picList, refIdx); validDirect[MD_LEFT] = getDirectPMV(directMV[MD_LEFT], neighbours + MD_LEFT, picList, refIdx); // Top candidate. validDirect[MD_ABOVE_RIGHT] = getDirectPMV(directMV[MD_ABOVE_RIGHT], neighbours + MD_ABOVE_RIGHT, picList, refIdx); validDirect[MD_ABOVE] = getDirectPMV(directMV[MD_ABOVE], neighbours + MD_ABOVE, picList, refIdx); validDirect[MD_ABOVE_LEFT] = getDirectPMV(directMV[MD_ABOVE_LEFT], neighbours + MD_ABOVE_LEFT, picList, refIdx); // Left candidate. validIndirect[MD_BELOW_LEFT] = getIndirectPMV(indirectMV[MD_BELOW_LEFT], neighbours + MD_BELOW_LEFT, picList, refIdx); validIndirect[MD_LEFT] = getIndirectPMV(indirectMV[MD_LEFT], neighbours + MD_LEFT, picList, refIdx); // Top candidate. validIndirect[MD_ABOVE_RIGHT] = getIndirectPMV(indirectMV[MD_ABOVE_RIGHT], neighbours + MD_ABOVE_RIGHT, picList, refIdx); validIndirect[MD_ABOVE] = getIndirectPMV(indirectMV[MD_ABOVE], neighbours + MD_ABOVE, picList, refIdx); validIndirect[MD_ABOVE_LEFT] = getIndirectPMV(indirectMV[MD_ABOVE_LEFT], neighbours + MD_ABOVE_LEFT, picList, refIdx); int num = 0; // Left predictor search if (validDirect[MD_BELOW_LEFT]) amvpCand[num++] = directMV[MD_BELOW_LEFT]; else if (validDirect[MD_LEFT]) amvpCand[num++] = directMV[MD_LEFT]; else if (validIndirect[MD_BELOW_LEFT]) amvpCand[num++] = indirectMV[MD_BELOW_LEFT]; else if (validIndirect[MD_LEFT]) amvpCand[num++] = indirectMV[MD_LEFT]; bool bAddedSmvp = num > 0; // Above predictor search if (validDirect[MD_ABOVE_RIGHT]) amvpCand[num++] = directMV[MD_ABOVE_RIGHT]; else if (validDirect[MD_ABOVE]) amvpCand[num++] = directMV[MD_ABOVE]; else if (validDirect[MD_ABOVE_LEFT]) amvpCand[num++] = directMV[MD_ABOVE_LEFT]; if (!bAddedSmvp) { if (validIndirect[MD_ABOVE_RIGHT]) amvpCand[num++] = indirectMV[MD_ABOVE_RIGHT]; else if (validIndirect[MD_ABOVE]) amvpCand[num++] = indirectMV[MD_ABOVE]; else if (validIndirect[MD_ABOVE_LEFT]) amvpCand[num++] = indirectMV[MD_ABOVE_LEFT]; } int numMvc = 0; for (int dir = MD_LEFT; dir <= MD_ABOVE_LEFT; dir++) { if (validDirect[dir] && directMV[dir].notZero()) pmv[numMvc++] = directMV[dir]; if (validIndirect[dir] && indirectMV[dir].notZero()) pmv[numMvc++] = indirectMV[dir]; } if (num == 2) num -= amvpCand[0] == amvpCand[1]; // Get the collocated candidate. At this step, either the first candidate // was found or its value is 0. if (m_slice->m_sps->bTemporalMVPEnabled && num < 2) { int tempRefIdx = neighbours[MD_COLLOCATED].refIdx[picList]; if (tempRefIdx != -1) { uint32_t cuAddr = neighbours[MD_COLLOCATED].cuAddr[picList]; const Frame* colPic = m_slice->m_refFrameList[m_slice->isInterB() && !m_slice->m_colFromL0Flag][m_slice->m_colRefIdx]; const CUData* colCU = colPic->m_encData->getPicCTU(cuAddr); // Scale the vector int colRefPOC = colCU->m_slice->m_refPOCList[tempRefIdx >> 4][tempRefIdx & 0xf]; int colPOC = colCU->m_slice->m_poc; int curRefPOC = m_slice->m_refPOCList[picList][refIdx]; int curPOC = m_slice->m_poc; pmv[numMvc++] = amvpCand[num++] = scaleMvByPOCDist(neighbours[MD_COLLOCATED].mv[picList], curPOC, curRefPOC, colPOC, colRefPOC); } } while (num < AMVP_NUM_CANDS) amvpCand[num++] = 0; return numMvc; } /* Constructs a list of candidates for AMVP, and a larger list of motion candidates */ void CUData::getNeighbourMV(uint32_t puIdx, uint32_t absPartIdx, InterNeighbourMV* neighbours) const { // Set the temporal neighbour to unavailable by default. neighbours[MD_COLLOCATED].unifiedRef = -1; uint32_t partIdxLT, partIdxRT, partIdxLB = deriveLeftBottomIdx(puIdx); deriveLeftRightTopIdx(puIdx, partIdxLT, partIdxRT); // Load the spatial MVs. getInterNeighbourMV(neighbours + MD_BELOW_LEFT, partIdxLB, MD_BELOW_LEFT); getInterNeighbourMV(neighbours + MD_LEFT, partIdxLB, MD_LEFT); getInterNeighbourMV(neighbours + MD_ABOVE_RIGHT,partIdxRT, MD_ABOVE_RIGHT); getInterNeighbourMV(neighbours + MD_ABOVE, partIdxRT, MD_ABOVE); getInterNeighbourMV(neighbours + MD_ABOVE_LEFT, partIdxLT, MD_ABOVE_LEFT); if (m_slice->m_sps->bTemporalMVPEnabled) { uint32_t absPartAddr = m_absIdxInCTU + absPartIdx; uint32_t partIdxRB = deriveRightBottomIdx(puIdx); // co-located RightBottom temporal predictor (H) int ctuIdx = -1; // image boundary check if (m_encData->getPicCTU(m_cuAddr)->m_cuPelX + g_zscanToPelX[partIdxRB] + UNIT_SIZE < m_slice->m_sps->picWidthInLumaSamples && m_encData->getPicCTU(m_cuAddr)->m_cuPelY + g_zscanToPelY[partIdxRB] + UNIT_SIZE < m_slice->m_sps->picHeightInLumaSamples) { uint32_t absPartIdxRB = g_zscanToRaster[partIdxRB]; uint32_t numUnits = s_numPartInCUSize; bool bNotLastCol = lessThanCol(absPartIdxRB, numUnits - 1, numUnits); // is not at the last column of CTU bool bNotLastRow = lessThanRow(absPartIdxRB, numUnits - 1, numUnits); // is not at the last row of CTU if (bNotLastCol && bNotLastRow) { absPartAddr = g_rasterToZscan[absPartIdxRB + numUnits + 1]; ctuIdx = m_cuAddr; } else if (bNotLastCol) absPartAddr = g_rasterToZscan[(absPartIdxRB + numUnits + 1) & (numUnits - 1)]; else if (bNotLastRow) { absPartAddr = g_rasterToZscan[absPartIdxRB + 1]; ctuIdx = m_cuAddr + 1; } else // is the right bottom corner of CTU absPartAddr = 0; } if (!(ctuIdx >= 0 && getCollocatedMV(ctuIdx, absPartAddr, neighbours + MD_COLLOCATED))) { uint32_t partIdxCenter = deriveCenterIdx(puIdx); uint32_t curCTUIdx = m_cuAddr; getCollocatedMV(curCTUIdx, partIdxCenter, neighbours + MD_COLLOCATED); } } } void CUData::getInterNeighbourMV(InterNeighbourMV *neighbour, uint32_t partUnitIdx, MVP_DIR dir) const { const CUData* tmpCU = NULL; uint32_t idx = 0; switch (dir) { case MD_LEFT: tmpCU = getPULeft(idx, partUnitIdx); break; case MD_ABOVE: tmpCU = getPUAbove(idx, partUnitIdx); break; case MD_ABOVE_RIGHT: tmpCU = getPUAboveRight(idx, partUnitIdx); break; case MD_BELOW_LEFT: tmpCU = getPUBelowLeft(idx, partUnitIdx); break; case MD_ABOVE_LEFT: tmpCU = getPUAboveLeft(idx, partUnitIdx); break; default: break; } if (!tmpCU) { // Mark the PMV as unavailable. for (int i = 0; i < 2; i++) neighbour->refIdx[i] = -1; return; } for (int i = 0; i < 2; i++) { // Get the MV. neighbour->mv[i] = tmpCU->m_mv[i][idx]; // Get the reference idx. neighbour->refIdx[i] = tmpCU->m_refIdx[i][idx]; } } /* Clip motion vector to within slightly padded boundary of picture (the * MV may reference a block that is completely within the padded area). * Note this function is unaware of how much of this picture is actually * available for use (re: frame parallelism) */ void CUData::clipMv(MV& outMV) const { const uint32_t mvshift = 2; uint32_t offset = 8; int16_t xmax = (int16_t)((m_slice->m_sps->picWidthInLumaSamples + offset - m_cuPelX - 1) << mvshift); int16_t xmin = -(int16_t)((g_maxCUSize + offset + m_cuPelX - 1) << mvshift); int16_t ymax = (int16_t)((m_slice->m_sps->picHeightInLumaSamples + offset - m_cuPelY - 1) << mvshift); int16_t ymin = -(int16_t)((g_maxCUSize + offset + m_cuPelY - 1) << mvshift); outMV.x = X265_MIN(xmax, X265_MAX(xmin, outMV.x)); outMV.y = X265_MIN(ymax, X265_MAX(ymin, outMV.y)); } // Load direct spatial MV if available. bool CUData::getDirectPMV(MV& pmv, InterNeighbourMV *neighbours, uint32_t picList, uint32_t refIdx) const { int curRefPOC = m_slice->m_refPOCList[picList][refIdx]; for (int i = 0; i < 2; i++, picList = !picList) { int partRefIdx = neighbours->refIdx[picList]; if (partRefIdx >= 0 && curRefPOC == m_slice->m_refPOCList[picList][partRefIdx]) { pmv = neighbours->mv[picList]; return true; } } return false; } // Load indirect spatial MV if available. An indirect MV has to be scaled. bool CUData::getIndirectPMV(MV& outMV, InterNeighbourMV *neighbours, uint32_t picList, uint32_t refIdx) const { int curPOC = m_slice->m_poc; int neibPOC = curPOC; int curRefPOC = m_slice->m_refPOCList[picList][refIdx]; for (int i = 0; i < 2; i++, picList = !picList) { int partRefIdx = neighbours->refIdx[picList]; if (partRefIdx >= 0) { int neibRefPOC = m_slice->m_refPOCList[picList][partRefIdx]; MV mvp = neighbours->mv[picList]; outMV = scaleMvByPOCDist(mvp, curPOC, curRefPOC, neibPOC, neibRefPOC); return true; } } return false; } bool CUData::getColMVP(MV& outMV, int& outRefIdx, int picList, int cuAddr, int partUnitIdx) const { const Frame* colPic = m_slice->m_refFrameList[m_slice->isInterB() && !m_slice->m_colFromL0Flag][m_slice->m_colRefIdx]; const CUData* colCU = colPic->m_encData->getPicCTU(cuAddr); uint32_t absPartAddr = partUnitIdx & TMVP_UNIT_MASK; if (colCU->m_predMode[partUnitIdx] == MODE_NONE || colCU->isIntra(absPartAddr)) return false; int colRefPicList = m_slice->m_bCheckLDC ? picList : m_slice->m_colFromL0Flag; int colRefIdx = colCU->m_refIdx[colRefPicList][absPartAddr]; if (colRefIdx < 0) { colRefPicList = !colRefPicList; colRefIdx = colCU->m_refIdx[colRefPicList][absPartAddr]; if (colRefIdx < 0) return false; } // Scale the vector int colRefPOC = colCU->m_slice->m_refPOCList[colRefPicList][colRefIdx]; int colPOC = colCU->m_slice->m_poc; MV colmv = colCU->m_mv[colRefPicList][absPartAddr]; int curRefPOC = m_slice->m_refPOCList[picList][outRefIdx]; int curPOC = m_slice->m_poc; outMV = scaleMvByPOCDist(colmv, curPOC, curRefPOC, colPOC, colRefPOC); return true; } // Cache the collocated MV. bool CUData::getCollocatedMV(int cuAddr, int partUnitIdx, InterNeighbourMV *neighbour) const { const Frame* colPic = m_slice->m_refFrameList[m_slice->isInterB() && !m_slice->m_colFromL0Flag][m_slice->m_colRefIdx]; const CUData* colCU = colPic->m_encData->getPicCTU(cuAddr); uint32_t absPartAddr = partUnitIdx & TMVP_UNIT_MASK; if (colCU->m_predMode[partUnitIdx] == MODE_NONE || colCU->isIntra(absPartAddr)) return false; for (int list = 0; list < 2; list++) { neighbour->cuAddr[list] = cuAddr; int colRefPicList = m_slice->m_bCheckLDC ? list : m_slice->m_colFromL0Flag; int colRefIdx = colCU->m_refIdx[colRefPicList][absPartAddr]; if (colRefIdx < 0) colRefPicList = !colRefPicList; neighbour->refIdx[list] = colCU->m_refIdx[colRefPicList][absPartAddr]; neighbour->refIdx[list] |= colRefPicList << 4; neighbour->mv[list] = colCU->m_mv[colRefPicList][absPartAddr]; } return neighbour->unifiedRef != -1; } MV CUData::scaleMvByPOCDist(const MV& inMV, int curPOC, int curRefPOC, int colPOC, int colRefPOC) const { int diffPocD = colPOC - colRefPOC; int diffPocB = curPOC - curRefPOC; if (diffPocD == diffPocB) return inMV; else { int tdb = x265_clip3(-128, 127, diffPocB); int tdd = x265_clip3(-128, 127, diffPocD); int x = (0x4000 + abs(tdd / 2)) / tdd; int scale = x265_clip3(-4096, 4095, (tdb * x + 32) >> 6); return scaleMv(inMV, scale); } } uint32_t CUData::deriveCenterIdx(uint32_t puIdx) const { uint32_t absPartIdx; int puWidth, puHeight; getPartIndexAndSize(puIdx, absPartIdx, puWidth, puHeight); return g_rasterToZscan[g_zscanToRaster[m_absIdxInCTU + absPartIdx] + (puHeight >> (LOG2_UNIT_SIZE + 1)) * s_numPartInCUSize + (puWidth >> (LOG2_UNIT_SIZE + 1))]; } void CUData::getTUEntropyCodingParameters(TUEntropyCodingParameters &result, uint32_t absPartIdx, uint32_t log2TrSize, bool bIsLuma) const { bool bIsIntra = isIntra(absPartIdx); // set the group layout result.log2TrSizeCG = log2TrSize - 2; // set the scan orders if (bIsIntra) { uint32_t dirMode; if (bIsLuma) dirMode = m_lumaIntraDir[absPartIdx]; else { dirMode = m_chromaIntraDir[absPartIdx]; if (dirMode == DM_CHROMA_IDX) { dirMode = m_lumaIntraDir[(m_chromaFormat == X265_CSP_I444) ? absPartIdx : absPartIdx & 0xFC]; dirMode = (m_chromaFormat == X265_CSP_I422) ? g_chroma422IntraAngleMappingTable[dirMode] : dirMode; } } if (log2TrSize <= (MDCS_LOG2_MAX_SIZE - m_hChromaShift) || (bIsLuma && log2TrSize == MDCS_LOG2_MAX_SIZE)) result.scanType = dirMode >= 22 && dirMode <= 30 ? SCAN_HOR : dirMode >= 6 && dirMode <= 14 ? SCAN_VER : SCAN_DIAG; else result.scanType = SCAN_DIAG; } else result.scanType = SCAN_DIAG; result.scan = g_scanOrder[result.scanType][log2TrSize - 2]; result.scanCG = g_scanOrderCG[result.scanType][result.log2TrSizeCG]; if (log2TrSize == 2) result.firstSignificanceMapContext = 0; else if (log2TrSize == 3) result.firstSignificanceMapContext = (result.scanType != SCAN_DIAG && bIsLuma) ? 15 : 9; else result.firstSignificanceMapContext = bIsLuma ? 21 : 12; } #define CU_SET_FLAG(bitfield, flag, value) (bitfield) = ((bitfield) & (~(flag))) | ((~((value) - 1)) & (flag)) void CUData::calcCTUGeoms(uint32_t ctuWidth, uint32_t ctuHeight, uint32_t maxCUSize, uint32_t minCUSize, CUGeom cuDataArray[CUGeom::MAX_GEOMS]) { // Initialize the coding blocks inside the CTB for (uint32_t log2CUSize = g_log2Size[maxCUSize], rangeCUIdx = 0; log2CUSize >= g_log2Size[minCUSize]; log2CUSize--) { uint32_t blockSize = 1 << log2CUSize; uint32_t sbWidth = 1 << (g_log2Size[maxCUSize] - log2CUSize); int32_t lastLevelFlag = log2CUSize == g_log2Size[minCUSize]; for (uint32_t sbY = 0; sbY < sbWidth; sbY++) { for (uint32_t sbX = 0; sbX < sbWidth; sbX++) { uint32_t depthIdx = g_depthScanIdx[sbY][sbX]; uint32_t cuIdx = rangeCUIdx + depthIdx; uint32_t childIdx = rangeCUIdx + sbWidth * sbWidth + (depthIdx << 2); uint32_t px = sbX * blockSize; uint32_t py = sbY * blockSize; int32_t presentFlag = px < ctuWidth && py < ctuHeight; int32_t splitMandatoryFlag = presentFlag && !lastLevelFlag && (px + blockSize > ctuWidth || py + blockSize > ctuHeight); /* Offset of the luma CU in the X, Y direction in terms of pixels from the CTU origin */ uint32_t xOffset = (sbX * blockSize) >> 3; uint32_t yOffset = (sbY * blockSize) >> 3; X265_CHECK(cuIdx < CUGeom::MAX_GEOMS, "CU geom index bug\n"); CUGeom *cu = cuDataArray + cuIdx; cu->log2CUSize = log2CUSize; cu->childOffset = childIdx - cuIdx; cu->absPartIdx = g_depthScanIdx[yOffset][xOffset] * 4; cu->numPartitions = (NUM_4x4_PARTITIONS >> ((g_maxLog2CUSize - cu->log2CUSize) * 2)); cu->depth = g_log2Size[maxCUSize] - log2CUSize; cu->flags = 0; CU_SET_FLAG(cu->flags, CUGeom::PRESENT, presentFlag); CU_SET_FLAG(cu->flags, CUGeom::SPLIT_MANDATORY | CUGeom::SPLIT, splitMandatoryFlag); CU_SET_FLAG(cu->flags, CUGeom::LEAF, lastLevelFlag); } } rangeCUIdx += sbWidth * sbWidth; } }