[5] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2011, ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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[2] | 33 | |
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| 34 | |
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[5] | 35 | |
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[2] | 36 | /** \file TEncCavlc.cpp |
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| 37 | \brief CAVLC encoder class |
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| 38 | */ |
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| 39 | |
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| 40 | #include "TEncCavlc.h" |
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[50] | 41 | #include "../TLibCommon/SEI.h" |
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[2] | 42 | #include "SEIwrite.h" |
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| 43 | |
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| 44 | // ==================================================================================================================== |
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| 45 | // Constructor / destructor / create / destroy |
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| 46 | // ==================================================================================================================== |
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| 47 | |
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| 48 | TEncCavlc::TEncCavlc() |
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| 49 | { |
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| 50 | m_pcBitIf = NULL; |
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| 51 | m_bRunLengthCoding = false; // m_bRunLengthCoding = !rcSliceHeader.isIntra(); |
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| 52 | m_uiCoeffCost = 0; |
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| 53 | m_bAlfCtrl = false; |
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| 54 | m_uiMaxAlfCtrlDepth = 0; |
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| 55 | |
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| 56 | m_bAdaptFlag = true; // adaptive VLC table |
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| 57 | } |
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| 58 | |
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| 59 | TEncCavlc::~TEncCavlc() |
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| 60 | { |
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| 61 | } |
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| 62 | |
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| 63 | |
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| 64 | // ==================================================================================================================== |
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| 65 | // Public member functions |
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| 66 | // ==================================================================================================================== |
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| 67 | |
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| 68 | Void TEncCavlc::resetEntropy() |
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| 69 | { |
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| 70 | m_bRunLengthCoding = ! m_pcSlice->isIntra(); |
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| 71 | m_uiRun = 0; |
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| 72 | #if !CAVLC_COEF_LRG_BLK |
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| 73 | ::memcpy(m_uiLPTableE8, g_auiLPTableE8, 10*128*sizeof(UInt)); |
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| 74 | ::memcpy(m_uiLPTableD8, g_auiLPTableD8, 10*128*sizeof(UInt)); |
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| 75 | #endif |
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| 76 | ::memcpy(m_uiLPTableE4, g_auiLPTableE4, 3*32*sizeof(UInt)); |
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| 77 | ::memcpy(m_uiLPTableD4, g_auiLPTableD4, 3*32*sizeof(UInt)); |
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| 78 | ::memcpy(m_uiLastPosVlcIndex, g_auiLastPosVlcIndex, 10*sizeof(UInt)); |
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| 79 | |
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| 80 | #if LCEC_INTRA_MODE |
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| 81 | #if MTK_DCM_MPM |
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| 82 | ::memcpy(m_uiIntraModeTableD17[0], g_auiIntraModeTableD17[0], 16*sizeof(UInt)); |
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| 83 | ::memcpy(m_uiIntraModeTableE17[0], g_auiIntraModeTableE17[0], 16*sizeof(UInt)); |
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| 84 | ::memcpy(m_uiIntraModeTableD17[1], g_auiIntraModeTableD17[1], 16*sizeof(UInt)); |
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| 85 | ::memcpy(m_uiIntraModeTableE17[1], g_auiIntraModeTableE17[1], 16*sizeof(UInt)); |
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| 86 | |
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| 87 | ::memcpy(m_uiIntraModeTableD34[0], g_auiIntraModeTableD34[0], 33*sizeof(UInt)); |
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| 88 | ::memcpy(m_uiIntraModeTableE34[0], g_auiIntraModeTableE34[0], 33*sizeof(UInt)); |
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| 89 | ::memcpy(m_uiIntraModeTableD34[1], g_auiIntraModeTableD34[1], 33*sizeof(UInt)); |
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| 90 | ::memcpy(m_uiIntraModeTableE34[1], g_auiIntraModeTableE34[1], 33*sizeof(UInt)); |
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| 91 | #else |
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| 92 | ::memcpy(m_uiIntraModeTableD17, g_auiIntraModeTableD17, 16*sizeof(UInt)); |
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| 93 | ::memcpy(m_uiIntraModeTableE17, g_auiIntraModeTableE17, 16*sizeof(UInt)); |
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| 94 | |
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| 95 | ::memcpy(m_uiIntraModeTableD34, g_auiIntraModeTableD34, 33*sizeof(UInt)); |
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| 96 | ::memcpy(m_uiIntraModeTableE34, g_auiIntraModeTableE34, 33*sizeof(UInt)); |
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| 97 | #endif |
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| 98 | #endif |
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| 99 | |
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| 100 | #if CAVLC_RQT_CBP |
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| 101 | ::memcpy(m_uiCBP_YUV_TableE, g_auiCBP_YUV_TableE, 4*8*sizeof(UInt)); |
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| 102 | ::memcpy(m_uiCBP_YUV_TableD, g_auiCBP_YUV_TableD, 4*8*sizeof(UInt)); |
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| 103 | ::memcpy(m_uiCBP_YS_TableE, g_auiCBP_YS_TableE, 2*4*sizeof(UInt)); |
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| 104 | ::memcpy(m_uiCBP_YS_TableD, g_auiCBP_YS_TableD, 2*4*sizeof(UInt)); |
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| 105 | ::memcpy(m_uiCBP_YCS_TableE, g_auiCBP_YCS_TableE, 2*8*sizeof(UInt)); |
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| 106 | ::memcpy(m_uiCBP_YCS_TableD, g_auiCBP_YCS_TableD, 2*8*sizeof(UInt)); |
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| 107 | ::memcpy(m_uiCBP_4Y_TableE, g_auiCBP_4Y_TableE, 2*15*sizeof(UInt)); |
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| 108 | ::memcpy(m_uiCBP_4Y_TableD, g_auiCBP_4Y_TableD, 2*15*sizeof(UInt)); |
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| 109 | m_uiCBP_4Y_VlcIdx = 0; |
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| 110 | #else |
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| 111 | ::memcpy(m_uiCBPTableE, g_auiCBPTableE, 2*8*sizeof(UInt)); |
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| 112 | ::memcpy(m_uiCBPTableD, g_auiCBPTableD, 2*8*sizeof(UInt)); |
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| 113 | m_uiCbpVlcIdx[0] = 0; |
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| 114 | m_uiCbpVlcIdx[1] = 0; |
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| 115 | ::memcpy(m_uiBlkCBPTableE, g_auiBlkCBPTableE, 2*15*sizeof(UInt)); |
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| 116 | ::memcpy(m_uiBlkCBPTableD, g_auiBlkCBPTableD, 2*15*sizeof(UInt)); |
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| 117 | m_uiBlkCbpVlcIdx = 0; |
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| 118 | #endif |
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| 119 | |
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| 120 | #if UNIFY_INTER_TABLE |
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| 121 | ::memcpy(m_uiMI1TableE, g_auiComMI1TableE, 9*sizeof(UInt)); |
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| 122 | ::memcpy(m_uiMI1TableD, g_auiComMI1TableD, 9*sizeof(UInt)); |
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| 123 | #else |
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| 124 | ::memcpy(m_uiMI1TableE, g_auiMI1TableE, 8*sizeof(UInt)); |
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| 125 | ::memcpy(m_uiMI1TableD, g_auiMI1TableD, 8*sizeof(UInt)); |
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| 126 | ::memcpy(m_uiMI2TableE, g_auiMI2TableE, 15*sizeof(UInt)); |
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| 127 | ::memcpy(m_uiMI2TableD, g_auiMI2TableD, 15*sizeof(UInt)); |
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| 128 | |
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| 129 | #if DCM_COMB_LIST |
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| 130 | if ( m_pcSlice->getNoBackPredFlag() || m_pcSlice->getNumRefIdx(REF_PIC_LIST_C)>0) |
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| 131 | #else |
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| 132 | if ( m_pcSlice->getNoBackPredFlag() ) |
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| 133 | #endif |
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| 134 | { |
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| 135 | ::memcpy(m_uiMI1TableE, g_auiMI1TableENoL1, 8*sizeof(UInt)); |
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| 136 | ::memcpy(m_uiMI1TableD, g_auiMI1TableDNoL1, 8*sizeof(UInt)); |
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| 137 | ::memcpy(m_uiMI2TableE, g_auiMI2TableENoL1, 15*sizeof(UInt)); |
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| 138 | ::memcpy(m_uiMI2TableD, g_auiMI2TableDNoL1, 15*sizeof(UInt)); |
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| 139 | } |
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| 140 | #if MS_LCEC_ONE_FRAME |
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| 141 | if ( m_pcSlice->getNumRefIdx(REF_PIC_LIST_0) <= 1 && m_pcSlice->getNumRefIdx(REF_PIC_LIST_1) <= 1 ) |
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| 142 | { |
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| 143 | if ( m_pcSlice->getNoBackPredFlag() || ( m_pcSlice->getNumRefIdx(REF_PIC_LIST_C) > 0 && m_pcSlice->getNumRefIdx(REF_PIC_LIST_C) <= 1 ) ) |
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| 144 | { |
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| 145 | ::memcpy(m_uiMI1TableE, g_auiMI1TableEOnly1RefNoL1, 8*sizeof(UInt)); |
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| 146 | ::memcpy(m_uiMI1TableD, g_auiMI1TableDOnly1RefNoL1, 8*sizeof(UInt)); |
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| 147 | } |
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| 148 | else |
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| 149 | { |
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| 150 | ::memcpy(m_uiMI1TableE, g_auiMI1TableEOnly1Ref, 8*sizeof(UInt)); |
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| 151 | ::memcpy(m_uiMI1TableD, g_auiMI1TableDOnly1Ref, 8*sizeof(UInt)); |
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| 152 | } |
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| 153 | } |
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| 154 | #endif |
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| 155 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
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| 156 | if (m_pcSlice->getNumRefIdx(REF_PIC_LIST_C)>0) |
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| 157 | { |
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| 158 | m_uiMI1TableE[8] = 8; |
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| 159 | m_uiMI1TableD[8] = 8; |
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| 160 | } |
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| 161 | else // GPB case |
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| 162 | { |
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| 163 | m_uiMI1TableD[8] = m_uiMI1TableD[6]; |
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| 164 | m_uiMI1TableD[6] = 8; |
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| 165 | |
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| 166 | m_uiMI1TableE[m_uiMI1TableD[8]] = 8; |
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| 167 | m_uiMI1TableE[m_uiMI1TableD[6]] = 6; |
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| 168 | } |
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| 169 | #endif |
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| 170 | #endif |
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| 171 | |
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| 172 | #if QC_LCEC_INTER_MODE |
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| 173 | ::memcpy(m_uiSplitTableE, g_auiInterModeTableE, 4*7*sizeof(UInt)); |
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| 174 | ::memcpy(m_uiSplitTableD, g_auiInterModeTableD, 4*7*sizeof(UInt)); |
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| 175 | #endif |
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| 176 | |
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| 177 | m_uiMITableVlcIdx = 0; |
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| 178 | |
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| 179 | #if CAVLC_COUNTER_ADAPT |
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| 180 | #if CAVLC_RQT_CBP |
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| 181 | ::memset(m_ucCBP_YUV_TableCounter, 0, 4*4*sizeof(UChar)); |
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| 182 | ::memset(m_ucCBP_4Y_TableCounter, 0, 2*2*sizeof(UChar)); |
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| 183 | ::memset(m_ucCBP_YCS_TableCounter, 0, 2*4*sizeof(UChar)); |
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| 184 | ::memset(m_ucCBP_YS_TableCounter, 0, 2*3*sizeof(UChar)); |
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| 185 | #else |
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| 186 | ::memset(m_ucCBFTableCounter, 0, 2*4*sizeof(UChar)); |
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| 187 | ::memset(m_ucBlkCBPTableCounter, 0, 2*2*sizeof(UChar)); |
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| 188 | #endif |
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| 189 | |
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| 190 | ::memset(m_ucMI1TableCounter, 0, 4*sizeof(UChar)); |
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| 191 | ::memset(m_ucSplitTableCounter, 0, 4*4*sizeof(UChar)); |
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| 192 | |
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| 193 | #if CAVLC_RQT_CBP |
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| 194 | m_ucCBP_YUV_TableCounterSum[0] = m_ucCBP_YUV_TableCounterSum[1] = m_ucCBP_YUV_TableCounterSum[2] = m_ucCBP_YUV_TableCounterSum[3] = 0; |
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| 195 | m_ucCBP_4Y_TableCounterSum[0] = m_ucCBP_4Y_TableCounterSum[1] = 0; |
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| 196 | m_ucCBP_YCS_TableCounterSum[0] = m_ucCBP_YCS_TableCounterSum[1] = 0; |
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| 197 | m_ucCBP_YS_TableCounterSum[0] = m_ucCBP_YS_TableCounterSum[1] = 0; |
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| 198 | #else |
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| 199 | m_ucCBFTableCounterSum[0] = m_ucCBFTableCounterSum[1] = 0; |
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| 200 | m_ucBlkCBPTableCounterSum[0] = m_ucBlkCBPTableCounterSum[1] = 0; |
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| 201 | #endif |
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| 202 | m_ucSplitTableCounterSum[0] = m_ucSplitTableCounterSum[1] = m_ucSplitTableCounterSum[2]= m_ucSplitTableCounterSum[3] = 0; |
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| 203 | m_ucMI1TableCounterSum = 0; |
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| 204 | #endif |
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| 205 | } |
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| 206 | |
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| 207 | #if !CAVLC_COEF_LRG_BLK |
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| 208 | UInt* TEncCavlc::GetLP8Table() |
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| 209 | { |
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| 210 | return &m_uiLPTableE8[0][0]; |
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| 211 | } |
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| 212 | #endif |
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| 213 | |
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| 214 | UInt* TEncCavlc::GetLP4Table() |
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| 215 | { |
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| 216 | return &m_uiLPTableE4[0][0]; |
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| 217 | } |
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| 218 | |
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| 219 | #if QC_MOD_LCEC |
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| 220 | UInt* TEncCavlc::GetLastPosVlcIndexTable() |
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| 221 | { |
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| 222 | return &m_uiLastPosVlcIndex[0]; |
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| 223 | } |
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| 224 | #endif |
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| 225 | |
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| 226 | /** |
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| 227 | * marshall the SEI message @sei. |
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| 228 | */ |
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| 229 | void TEncCavlc::codeSEI(const SEI& sei) |
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| 230 | { |
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[50] | 231 | #if BITSTREAM_EXTRACTION |
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| 232 | codeNALUnitHeader( NAL_UNIT_SEI, NAL_REF_IDC_PRIORITY_LOWEST, 0, sei.getLayerId() ); |
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| 233 | #else |
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[2] | 234 | codeNALUnitHeader(NAL_UNIT_SEI, NAL_REF_IDC_PRIORITY_LOWEST); |
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[50] | 235 | #endif |
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[2] | 236 | writeSEImessage(*m_pcBitIf, sei); |
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| 237 | } |
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| 238 | |
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| 239 | Void TEncCavlc::codePPS( TComPPS* pcPPS ) |
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| 240 | { |
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| 241 | // uiFirstByte |
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[50] | 242 | #if BITSTREAM_EXTRACTION |
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| 243 | codeNALUnitHeader( NAL_UNIT_PPS, NAL_REF_IDC_PRIORITY_HIGHEST, 0, pcPPS->getLayerId() ); |
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| 244 | #else |
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[2] | 245 | codeNALUnitHeader( NAL_UNIT_PPS, NAL_REF_IDC_PRIORITY_HIGHEST ); |
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[50] | 246 | #endif |
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[2] | 247 | |
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| 248 | xWriteUvlc( pcPPS->getPPSId() ); |
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| 249 | xWriteUvlc( pcPPS->getSPSId() ); |
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| 250 | #if CONSTRAINED_INTRA_PRED |
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| 251 | xWriteFlag( pcPPS->getConstrainedIntraPred() ? 1 : 0 ); |
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| 252 | #endif |
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| 253 | #ifdef WEIGHT_PRED |
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| 254 | xWriteCode( pcPPS->getUseWP(), 1); // Use of Weighting Prediction (P_SLICE) |
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| 255 | xWriteCode( pcPPS->getWPBiPredIdc(), 2); // Use of Weighting Bi-Prediction (B_SLICE) |
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| 256 | #endif |
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| 257 | return; |
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| 258 | } |
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| 259 | |
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[50] | 260 | #if BITSTREAM_EXTRACTION |
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| 261 | Void TEncCavlc::codeNALUnitHeader( NalUnitType eNalUnitType, NalRefIdc eNalRefIdc, UInt TemporalId, UInt uiLayerId ) |
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| 262 | { |
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| 263 | // uiFirstByte |
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| 264 | xWriteCode( 0, 1); // forbidden_zero_flag |
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| 265 | xWriteCode( eNalRefIdc==0 ? 0:1, 1); // nal_ref_flag |
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| 266 | xWriteCode( eNalUnitType, 6); // nal_unit_type |
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| 267 | |
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| 268 | xWriteCode( TemporalId, 3); // temporal_id |
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| 269 | xWriteCode( uiLayerId+1, 5); // layer_id_plus1 |
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| 270 | } |
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| 271 | #else |
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[2] | 272 | Void TEncCavlc::codeNALUnitHeader( NalUnitType eNalUnitType, NalRefIdc eNalRefIdc, UInt TemporalId, Bool bOutputFlag ) |
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| 273 | { |
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| 274 | // uiFirstByte |
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| 275 | xWriteCode( 0, 1); // forbidden_zero_flag |
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| 276 | xWriteCode( eNalRefIdc, 2); // nal_ref_idc |
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| 277 | xWriteCode( eNalUnitType, 5); // nal_unit_type |
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| 278 | |
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| 279 | if ( (eNalUnitType == NAL_UNIT_CODED_SLICE) || (eNalUnitType == NAL_UNIT_CODED_SLICE_IDR) || (eNalUnitType == NAL_UNIT_CODED_SLICE_CDR) ) |
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| 280 | { |
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| 281 | xWriteCode( TemporalId, 3); // temporal_id |
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| 282 | xWriteFlag( bOutputFlag ); // output_flag |
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| 283 | xWriteCode( 1, 4); // reseved_one_4bits |
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| 284 | } |
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| 285 | } |
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[50] | 286 | #endif |
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[2] | 287 | |
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| 288 | Void TEncCavlc::codeSPS( TComSPS* pcSPS ) |
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| 289 | { |
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| 290 | // uiFirstByte |
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[50] | 291 | #if BITSTREAM_EXTRACTION |
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| 292 | codeNALUnitHeader( NAL_UNIT_SPS, NAL_REF_IDC_PRIORITY_HIGHEST, 0, pcSPS->getLayerId() ); |
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| 293 | #else |
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[2] | 294 | codeNALUnitHeader( NAL_UNIT_SPS, NAL_REF_IDC_PRIORITY_HIGHEST ); |
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[50] | 295 | #endif |
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[2] | 296 | |
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| 297 | // Structure |
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| 298 | xWriteUvlc ( pcSPS->getSPSId() ); |
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| 299 | xWriteUvlc ( pcSPS->getWidth () ); |
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| 300 | xWriteUvlc ( pcSPS->getHeight() ); |
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| 301 | |
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| 302 | xWriteUvlc ( pcSPS->getPad (0) ); |
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| 303 | xWriteUvlc ( pcSPS->getPad (1) ); |
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| 304 | |
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| 305 | assert( pcSPS->getMaxCUWidth() == pcSPS->getMaxCUHeight() ); |
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| 306 | xWriteUvlc ( pcSPS->getMaxCUWidth() ); |
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| 307 | xWriteUvlc ( pcSPS->getMaxCUDepth()-g_uiAddCUDepth ); |
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| 308 | |
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| 309 | xWriteUvlc( pcSPS->getQuadtreeTULog2MinSize() - 2 ); |
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| 310 | xWriteUvlc( pcSPS->getQuadtreeTULog2MaxSize() - pcSPS->getQuadtreeTULog2MinSize() ); |
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| 311 | xWriteUvlc( pcSPS->getQuadtreeTUMaxDepthInter() - 1 ); |
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| 312 | xWriteUvlc( pcSPS->getQuadtreeTUMaxDepthIntra() - 1 ); |
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| 313 | |
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| 314 | xWriteUvlc( pcSPS->getCodedPictureBufferSize() ); |
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| 315 | |
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| 316 | // Tools |
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| 317 | xWriteFlag ( (pcSPS->getUseALF ()) ? 1 : 0 ); |
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| 318 | xWriteFlag ( (pcSPS->getUseDQP ()) ? 1 : 0 ); |
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[5] | 319 | #if !HHI_NO_LowDelayCoding |
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[2] | 320 | xWriteFlag ( (pcSPS->getUseLDC ()) ? 1 : 0 ); |
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| 321 | #endif |
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| 322 | xWriteFlag ( (pcSPS->getUseMRG ()) ? 1 : 0 ); // SOPH: |
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| 323 | |
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| 324 | #if LM_CHROMA |
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| 325 | xWriteFlag ( (pcSPS->getUseLMChroma ()) ? 1 : 0 ); |
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| 326 | #endif |
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| 327 | |
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| 328 | #if HHI_RMP_SWITCH |
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| 329 | xWriteFlag ( (pcSPS->getUseRMP()) ? 1 : 0 ); |
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| 330 | #endif |
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| 331 | |
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| 332 | // AMVP mode for each depth |
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| 333 | for (Int i = 0; i < pcSPS->getMaxCUDepth(); i++) |
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| 334 | { |
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| 335 | xWriteFlag( pcSPS->getAMVPMode(i) ? 1 : 0); |
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| 336 | } |
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| 337 | |
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| 338 | // Bit-depth information |
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| 339 | #if FULL_NBIT |
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| 340 | xWriteUvlc( pcSPS->getBitDepth() - 8 ); |
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| 341 | #else |
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| 342 | #if ENABLE_IBDI |
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| 343 | xWriteUvlc( pcSPS->getBitDepth() - 8 ); |
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| 344 | #endif |
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| 345 | xWriteUvlc( pcSPS->getBitIncrement() ); |
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| 346 | #endif |
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| 347 | |
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| 348 | #if MTK_NONCROSS_INLOOP_FILTER |
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| 349 | xWriteFlag( pcSPS->getLFCrossSliceBoundaryFlag()?1 : 0); |
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| 350 | #endif |
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| 351 | #if MTK_SAO |
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| 352 | xWriteFlag( pcSPS->getUseSAO() ? 1 : 0); |
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| 353 | #endif |
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| 354 | |
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| 355 | if( pcSPS->getViewId() || pcSPS->isDepth() ) |
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| 356 | { |
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| 357 | xWriteFlag( 0 ); // inverse of RBSP stop bit (for backwards compatible extension) |
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| 358 | if( pcSPS->isDepth() ) |
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| 359 | { |
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| 360 | xWriteFlag( 1 ); // depth |
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| 361 | xWriteUvlc( pcSPS->getViewId() ); |
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| 362 | xWriteSvlc( pcSPS->getViewOrderIdx() ); |
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[5] | 363 | #if HHI_DMM_WEDGE_INTRA || HHI_DMM_PRED_TEX |
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| 364 | xWriteFlag( pcSPS->getUseDMM() ? 1 : 0 ); |
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[2] | 365 | #endif |
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[5] | 366 | #if HHI_MPI |
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[2] | 367 | xWriteFlag( pcSPS->getUseMVI() ? 1 : 0 ); |
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[5] | 368 | #endif |
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[2] | 369 | } |
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| 370 | else |
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| 371 | { |
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| 372 | xWriteFlag( 0 ); // not depth |
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| 373 | xWriteUvlc( pcSPS->getViewId() - 1 ); |
---|
| 374 | xWriteSvlc( pcSPS->getViewOrderIdx() ); |
---|
| 375 | xWriteUvlc( pcSPS->getCamParPrecision() ); |
---|
| 376 | xWriteFlag( pcSPS->hasCamParInSliceHeader() ? 1 : 0 ); |
---|
| 377 | if( !pcSPS->hasCamParInSliceHeader() ) |
---|
| 378 | { |
---|
| 379 | for( UInt uiId = 0; uiId < pcSPS->getViewId(); uiId++ ) |
---|
| 380 | { |
---|
| 381 | xWriteSvlc( pcSPS->getCodedScale ()[ uiId ] ); |
---|
| 382 | xWriteSvlc( pcSPS->getCodedOffset ()[ uiId ] ); |
---|
| 383 | xWriteSvlc( pcSPS->getInvCodedScale ()[ uiId ] + pcSPS->getCodedScale ()[ uiId ] ); |
---|
| 384 | xWriteSvlc( pcSPS->getInvCodedOffset()[ uiId ] + pcSPS->getCodedOffset()[ uiId ] ); |
---|
| 385 | } |
---|
| 386 | } |
---|
[5] | 387 | #if DEPTH_MAP_GENERATION |
---|
[2] | 388 | xWriteUvlc( pcSPS->getPredDepthMapGeneration() ); |
---|
| 389 | if( pcSPS->getPredDepthMapGeneration() ) |
---|
| 390 | { |
---|
| 391 | xWriteUvlc ( pcSPS->getPdmPrecision() ); |
---|
| 392 | for( UInt uiId = 0; uiId < pcSPS->getViewId(); uiId++ ) |
---|
| 393 | { |
---|
| 394 | xWriteSvlc( pcSPS->getPdmScaleNomDelta()[ uiId ] ); |
---|
| 395 | xWriteSvlc( pcSPS->getPdmOffset ()[ uiId ] ); |
---|
| 396 | } |
---|
[5] | 397 | #if HHI_INTER_VIEW_MOTION_PRED |
---|
[2] | 398 | xWriteUvlc ( pcSPS->getMultiviewMvPredMode() ); |
---|
[5] | 399 | #endif |
---|
| 400 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
[2] | 401 | xWriteFlag ( pcSPS->getMultiviewResPredMode() ); |
---|
[5] | 402 | #endif |
---|
[2] | 403 | } |
---|
[5] | 404 | #endif |
---|
[2] | 405 | } |
---|
| 406 | } |
---|
| 407 | } |
---|
| 408 | |
---|
| 409 | Void TEncCavlc::codeSliceHeader ( TComSlice* pcSlice ) |
---|
| 410 | { |
---|
| 411 | // here someone can add an appropriated NalRefIdc type |
---|
| 412 | #if DCM_DECODING_REFRESH |
---|
[50] | 413 | #if BITSTREAM_EXTRACTION |
---|
| 414 | codeNALUnitHeader (pcSlice->getNalUnitType(), NAL_REF_IDC_PRIORITY_HIGHEST, 1, pcSlice->getLayerId()); |
---|
| 415 | #else |
---|
[2] | 416 | codeNALUnitHeader (pcSlice->getNalUnitType(), NAL_REF_IDC_PRIORITY_HIGHEST, 1, true); |
---|
[50] | 417 | #endif |
---|
[2] | 418 | #else |
---|
[50] | 419 | #if BITSTREAM_EXTRACTION |
---|
| 420 | codeNALUnitHeader (NAL_UNIT_CODED_SLICE, NAL_REF_IDC_PRIORITY_HIGHEST, 0, pcSlice->getLayerId()); |
---|
| 421 | #else |
---|
[2] | 422 | codeNALUnitHeader (NAL_UNIT_CODED_SLICE, NAL_REF_IDC_PRIORITY_HIGHEST); |
---|
| 423 | #endif |
---|
[50] | 424 | #endif |
---|
[2] | 425 | |
---|
| 426 | Bool bEntropySlice = false; |
---|
| 427 | if (pcSlice->isNextSlice()) |
---|
| 428 | { |
---|
| 429 | xWriteFlag( 0 ); // Entropy slice flag |
---|
| 430 | } |
---|
| 431 | else |
---|
| 432 | { |
---|
| 433 | bEntropySlice = true; |
---|
| 434 | xWriteFlag( 1 ); // Entropy slice flag |
---|
| 435 | } |
---|
| 436 | if (!bEntropySlice) |
---|
| 437 | { |
---|
| 438 | assert( pcSlice->getPPS()->getPPSId() == pcSlice->getPPSId() ); |
---|
| 439 | xWriteUvlc ( pcSlice->getPPSId() ); |
---|
| 440 | xWriteCode (pcSlice->getPOC(), 10 ); // 9 == SPS->Log2MaxFrameNum |
---|
| 441 | xWriteUvlc (pcSlice->getSliceType() ); |
---|
| 442 | xWriteSvlc (pcSlice->getSliceQp() ); |
---|
| 443 | } |
---|
| 444 | if (pcSlice->isNextSlice()) |
---|
| 445 | { |
---|
| 446 | xWriteUvlc(pcSlice->getSliceCurStartCUAddr()); // start CU addr for slice |
---|
| 447 | } |
---|
| 448 | else |
---|
| 449 | { |
---|
| 450 | xWriteUvlc(pcSlice->getEntropySliceCurStartCUAddr()); // start CU addr for entropy slice |
---|
| 451 | } |
---|
| 452 | if (!bEntropySlice) |
---|
| 453 | { |
---|
| 454 | xWriteFlag (pcSlice->getSymbolMode() > 0 ? 1 : 0); |
---|
| 455 | |
---|
| 456 | if (!pcSlice->isIntra()) |
---|
| 457 | { |
---|
| 458 | xWriteFlag (pcSlice->isReferenced() ? 1 : 0); |
---|
| 459 | #if !HIGH_ACCURACY_BI |
---|
| 460 | #ifdef ROUNDING_CONTROL_BIPRED |
---|
| 461 | xWriteFlag (pcSlice->isRounding() ? 1 : 0); |
---|
| 462 | #endif |
---|
| 463 | #endif |
---|
| 464 | } |
---|
| 465 | |
---|
| 466 | xWriteFlag (pcSlice->getLoopFilterDisable()); |
---|
| 467 | |
---|
| 468 | if (!pcSlice->isIntra()) |
---|
| 469 | { |
---|
| 470 | xWriteCode ((pcSlice->getNumRefIdx( REF_PIC_LIST_0 )), 3 ); |
---|
| 471 | } |
---|
| 472 | else |
---|
| 473 | { |
---|
| 474 | pcSlice->setNumRefIdx(REF_PIC_LIST_0, 0); |
---|
| 475 | } |
---|
| 476 | if (pcSlice->isInterB()) |
---|
| 477 | { |
---|
| 478 | xWriteCode ((pcSlice->getNumRefIdx( REF_PIC_LIST_1 )), 3 ); |
---|
| 479 | } |
---|
| 480 | else |
---|
| 481 | { |
---|
| 482 | pcSlice->setNumRefIdx(REF_PIC_LIST_1, 0); |
---|
| 483 | } |
---|
| 484 | |
---|
| 485 | if (!pcSlice->isIntra()) |
---|
| 486 | { |
---|
| 487 | |
---|
| 488 | for(Int i = 0; i<pcSlice->getNumRefIdx(REF_PIC_LIST_0);i++) |
---|
| 489 | { |
---|
| 490 | const bool bInterViewRef = pcSlice->getViewIdx() != pcSlice->getRefPic( REF_PIC_LIST_0,i )->getViewIdx(); |
---|
| 491 | xWriteFlag( bInterViewRef ); |
---|
| 492 | if( bInterViewRef ) |
---|
| 493 | { |
---|
| 494 | xWriteUvlc( pcSlice->getRefPic( REF_PIC_LIST_0,i )->getViewIdx() ); |
---|
| 495 | } |
---|
| 496 | else |
---|
| 497 | { |
---|
| 498 | xWriteSvlc(pcSlice->getPOC()-pcSlice->getRefPOC(REF_PIC_LIST_0,i)); |
---|
| 499 | } |
---|
| 500 | } |
---|
| 501 | |
---|
| 502 | } |
---|
| 503 | if( pcSlice->isInterB()) |
---|
| 504 | { |
---|
| 505 | for(Int i = 0; i<pcSlice->getNumRefIdx(REF_PIC_LIST_1);i++) |
---|
| 506 | { |
---|
| 507 | const bool bInterViewRef = pcSlice->getViewIdx() != pcSlice->getRefPic( REF_PIC_LIST_1,i )->getViewIdx(); |
---|
| 508 | xWriteFlag( bInterViewRef ); |
---|
| 509 | if( bInterViewRef ) |
---|
| 510 | { |
---|
| 511 | xWriteUvlc( pcSlice->getRefPic( REF_PIC_LIST_1,i )->getViewIdx() ); |
---|
| 512 | } |
---|
| 513 | else |
---|
| 514 | { |
---|
| 515 | xWriteSvlc(pcSlice->getPOC()-pcSlice->getRefPOC(REF_PIC_LIST_1,i)); |
---|
| 516 | } |
---|
| 517 | } |
---|
| 518 | } |
---|
| 519 | |
---|
| 520 | |
---|
| 521 | #if DCM_COMB_LIST |
---|
| 522 | if (pcSlice->isInterB()) |
---|
| 523 | { |
---|
| 524 | xWriteFlag (pcSlice->getRefPicListCombinationFlag() ? 1 : 0 ); |
---|
| 525 | if(pcSlice->getRefPicListCombinationFlag()) |
---|
| 526 | { |
---|
| 527 | xWriteUvlc( pcSlice->getNumRefIdx(REF_PIC_LIST_C)-1); |
---|
| 528 | |
---|
| 529 | xWriteFlag (pcSlice->getRefPicListModificationFlagLC() ? 1 : 0 ); |
---|
| 530 | if(pcSlice->getRefPicListModificationFlagLC()) |
---|
| 531 | { |
---|
| 532 | for (UInt i=0;i<pcSlice->getNumRefIdx(REF_PIC_LIST_C);i++) |
---|
| 533 | { |
---|
| 534 | xWriteFlag( pcSlice->getListIdFromIdxOfLC(i)); |
---|
| 535 | xWriteUvlc( pcSlice->getRefIdxFromIdxOfLC(i)); |
---|
| 536 | } |
---|
| 537 | } |
---|
| 538 | } |
---|
| 539 | } |
---|
| 540 | #endif |
---|
| 541 | |
---|
| 542 | #if 0 |
---|
| 543 | xWriteFlag (pcSlice->getDRBFlag() ? 1 : 0 ); |
---|
| 544 | if ( !pcSlice->getDRBFlag() ) |
---|
| 545 | { |
---|
| 546 | xWriteCode (pcSlice->getERBIndex(), 2); |
---|
| 547 | } |
---|
| 548 | #endif |
---|
| 549 | |
---|
| 550 | #if AMVP_NEIGH_COL |
---|
| 551 | if ( pcSlice->getSliceType() == B_SLICE ) |
---|
| 552 | { |
---|
| 553 | xWriteFlag( pcSlice->getColDir() ); |
---|
| 554 | } |
---|
| 555 | #endif |
---|
| 556 | |
---|
| 557 | #ifdef WEIGHT_PRED |
---|
| 558 | if ( (pcSlice->getPPS()->getUseWP() && pcSlice->getSliceType()==P_SLICE) || (pcSlice->getPPS()->getWPBiPredIdc()==1 && pcSlice->getSliceType()==B_SLICE) ) |
---|
| 559 | { |
---|
| 560 | codeWeightPredTable( pcSlice ); |
---|
| 561 | } |
---|
| 562 | #endif |
---|
| 563 | if( pcSlice->getSPS()->hasCamParInSliceHeader() ) |
---|
| 564 | { |
---|
| 565 | for( UInt uiId = 0; uiId < pcSlice->getSPS()->getViewId(); uiId++ ) |
---|
| 566 | { |
---|
| 567 | xWriteSvlc( pcSlice->getCodedScale ()[ uiId ] ); |
---|
| 568 | xWriteSvlc( pcSlice->getCodedOffset ()[ uiId ] ); |
---|
| 569 | xWriteSvlc( pcSlice->getInvCodedScale ()[ uiId ] + pcSlice->getCodedScale ()[ uiId ] ); |
---|
| 570 | xWriteSvlc( pcSlice->getInvCodedOffset()[ uiId ] + pcSlice->getCodedOffset()[ uiId ] ); |
---|
| 571 | } |
---|
| 572 | } |
---|
| 573 | } |
---|
| 574 | } |
---|
| 575 | |
---|
| 576 | Void TEncCavlc::codeTerminatingBit ( UInt uilsLast ) |
---|
| 577 | { |
---|
| 578 | } |
---|
| 579 | |
---|
| 580 | Void TEncCavlc::codeSliceFinish () |
---|
| 581 | { |
---|
| 582 | if ( m_bRunLengthCoding && m_uiRun) |
---|
| 583 | { |
---|
| 584 | xWriteUvlc(m_uiRun); |
---|
| 585 | } |
---|
| 586 | } |
---|
| 587 | |
---|
| 588 | Void TEncCavlc::codeMVPIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
---|
| 589 | { |
---|
| 590 | Int iSymbol = pcCU->getMVPIdx(eRefList, uiAbsPartIdx); |
---|
| 591 | Int iNum = pcCU->getMVPNum(eRefList, uiAbsPartIdx); |
---|
| 592 | |
---|
| 593 | xWriteUnaryMaxSymbol(iSymbol, iNum-1); |
---|
| 594 | } |
---|
| 595 | #if QC_LCEC_INTER_MODE |
---|
| 596 | Void TEncCavlc::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 597 | { |
---|
| 598 | if ( pcCU->getSlice()->isIntra() && pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 599 | { |
---|
| 600 | #if MTK_DISABLE_INTRA_NxN_SPLIT |
---|
| 601 | if( uiDepth == (g_uiMaxCUDepth - g_uiAddCUDepth)) |
---|
| 602 | #endif |
---|
| 603 | xWriteFlag( pcCU->getPartitionSize(uiAbsPartIdx ) == SIZE_2Nx2N? 1 : 0 ); |
---|
| 604 | return; |
---|
| 605 | } |
---|
| 606 | |
---|
| 607 | |
---|
| 608 | #if MTK_DISABLE_INTRA_NxN_SPLIT && HHI_DISABLE_INTER_NxN_SPLIT |
---|
| 609 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 610 | #endif |
---|
| 611 | { |
---|
| 612 | if ((pcCU->getPartitionSize(uiAbsPartIdx ) == SIZE_NxN) || pcCU->isIntra( uiAbsPartIdx )) |
---|
| 613 | { |
---|
| 614 | UInt uiIntraFlag = ( pcCU->isIntra(uiAbsPartIdx)); |
---|
| 615 | if (pcCU->getPartitionSize(uiAbsPartIdx ) == SIZE_2Nx2N) |
---|
| 616 | { |
---|
| 617 | xWriteFlag(1); |
---|
| 618 | } |
---|
| 619 | else |
---|
| 620 | { |
---|
| 621 | xWriteFlag(0); |
---|
| 622 | #if MTK_DISABLE_INTRA_NxN_SPLIT && !HHI_DISABLE_INTER_NxN_SPLIT |
---|
| 623 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 624 | #elif !MTK_DISABLE_INTRA_NxN_SPLIT && HHI_DISABLE_INTER_NxN_SPLIT |
---|
| 625 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 626 | #endif |
---|
| 627 | xWriteFlag( uiIntraFlag? 1 : 0 ); |
---|
| 628 | } |
---|
| 629 | |
---|
| 630 | return; |
---|
| 631 | } |
---|
| 632 | } |
---|
| 633 | } |
---|
| 634 | #else |
---|
| 635 | Void TEncCavlc::codePartSize( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 636 | { |
---|
| 637 | PartSize eSize = pcCU->getPartitionSize( uiAbsPartIdx ); |
---|
| 638 | |
---|
| 639 | if ( pcCU->getSlice()->isInterB() && pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 640 | { |
---|
| 641 | xWriteFlag( 0 ); |
---|
| 642 | #if HHI_RMP_SWITCH |
---|
| 643 | if( pcCU->getSlice()->getSPS()->getUseRMP() ) |
---|
| 644 | #endif |
---|
| 645 | { |
---|
| 646 | xWriteFlag( 0 ); |
---|
| 647 | xWriteFlag( 0 ); |
---|
| 648 | } |
---|
| 649 | #if HHI_DISABLE_INTER_NxN_SPLIT |
---|
| 650 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 651 | { |
---|
| 652 | xWriteFlag( 0 ); |
---|
| 653 | } |
---|
| 654 | #else |
---|
| 655 | xWriteFlag( 0 ); |
---|
| 656 | #endif |
---|
| 657 | #if MTK_DISABLE_INTRA_NxN_SPLIT |
---|
| 658 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 659 | #endif |
---|
| 660 | { |
---|
| 661 | xWriteFlag( (eSize == SIZE_2Nx2N? 0 : 1) ); |
---|
| 662 | } |
---|
| 663 | return; |
---|
| 664 | } |
---|
| 665 | |
---|
| 666 | if ( pcCU->isIntra( uiAbsPartIdx ) ) |
---|
| 667 | { |
---|
| 668 | #if MTK_DISABLE_INTRA_NxN_SPLIT |
---|
| 669 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 670 | #endif |
---|
| 671 | { |
---|
| 672 | xWriteFlag( eSize == SIZE_2Nx2N? 1 : 0 ); |
---|
| 673 | } |
---|
| 674 | return; |
---|
| 675 | } |
---|
| 676 | |
---|
| 677 | switch(eSize) |
---|
| 678 | { |
---|
| 679 | case SIZE_2Nx2N: |
---|
| 680 | { |
---|
| 681 | xWriteFlag( 1 ); |
---|
| 682 | break; |
---|
| 683 | } |
---|
| 684 | case SIZE_2NxN: |
---|
| 685 | { |
---|
| 686 | xWriteFlag( 0 ); |
---|
| 687 | xWriteFlag( 1 ); |
---|
| 688 | break; |
---|
| 689 | } |
---|
| 690 | case SIZE_Nx2N: |
---|
| 691 | { |
---|
| 692 | xWriteFlag( 0 ); |
---|
| 693 | xWriteFlag( 0 ); |
---|
| 694 | xWriteFlag( 1 ); |
---|
| 695 | break; |
---|
| 696 | } |
---|
| 697 | case SIZE_NxN: |
---|
| 698 | { |
---|
| 699 | #if HHI_DISABLE_INTER_NxN_SPLIT |
---|
| 700 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 701 | #endif |
---|
| 702 | { |
---|
| 703 | xWriteFlag( 0 ); |
---|
| 704 | #if HHI_RMP_SWITCH |
---|
| 705 | if( pcCU->getSlice()->getSPS()->getUseRMP()) |
---|
| 706 | #endif |
---|
| 707 | { |
---|
| 708 | xWriteFlag( 0 ); |
---|
| 709 | xWriteFlag( 0 ); |
---|
| 710 | } |
---|
| 711 | if (pcCU->getSlice()->isInterB()) |
---|
| 712 | { |
---|
| 713 | xWriteFlag( 1 ); |
---|
| 714 | } |
---|
| 715 | } |
---|
| 716 | break; |
---|
| 717 | } |
---|
| 718 | default: |
---|
| 719 | { |
---|
| 720 | assert(0); |
---|
| 721 | } |
---|
| 722 | } |
---|
| 723 | } |
---|
| 724 | #endif |
---|
| 725 | |
---|
| 726 | /** code prediction mode |
---|
| 727 | * \param pcCU |
---|
| 728 | * \param uiAbsPartIdx |
---|
| 729 | * \returns Void |
---|
| 730 | */ |
---|
| 731 | Void TEncCavlc::codePredMode( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 732 | { |
---|
| 733 | #if QC_LCEC_INTER_MODE |
---|
| 734 | codeInterModeFlag(pcCU, uiAbsPartIdx,(UInt)pcCU->getDepth(uiAbsPartIdx),2); |
---|
| 735 | return; |
---|
| 736 | #else |
---|
| 737 | // get context function is here |
---|
| 738 | Int iPredMode = pcCU->getPredictionMode( uiAbsPartIdx ); |
---|
| 739 | if ( pcCU->getSlice()->isInterB() ) |
---|
| 740 | { |
---|
| 741 | return; |
---|
| 742 | } |
---|
| 743 | xWriteFlag( iPredMode == MODE_INTER ? 0 : 1 ); |
---|
| 744 | #endif |
---|
| 745 | } |
---|
| 746 | |
---|
| 747 | /** code merge flag |
---|
| 748 | * \param pcCU |
---|
| 749 | * \param uiAbsPartIdx |
---|
| 750 | * \returns Void |
---|
| 751 | */ |
---|
| 752 | Void TEncCavlc::codeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 753 | { |
---|
| 754 | #if QC_LCEC_INTER_MODE |
---|
| 755 | if (pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N ) |
---|
| 756 | return; |
---|
| 757 | #endif |
---|
| 758 | UInt uiSymbol = pcCU->getMergeFlag( uiAbsPartIdx ) ? 1 : 0; |
---|
| 759 | xWriteFlag( uiSymbol ); |
---|
| 760 | } |
---|
| 761 | |
---|
| 762 | |
---|
[5] | 763 | #if HHI_INTER_VIEW_MOTION_PRED || HHI_MPI |
---|
[2] | 764 | Void |
---|
| 765 | TEncCavlc::codeMergeIndexMV( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 766 | { |
---|
| 767 | UInt uiNumCand = 0; |
---|
| 768 | UInt uiMergeIdx = pcCU->getMergeIndex( uiAbsPartIdx ); |
---|
[5] | 769 | #if HHI_MPI |
---|
[2] | 770 | const Bool bMVIAvailable = pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE; |
---|
[5] | 771 | const UInt uiMviMergePos = bMVIAvailable ? HHI_MPI_MERGE_POS : MRG_MAX_NUM_CANDS; |
---|
[2] | 772 | if( bMVIAvailable ) |
---|
| 773 | { |
---|
| 774 | uiNumCand++; |
---|
| 775 | const Bool bUseMVI = pcCU->getTextureModeDepth( uiAbsPartIdx ) != -1; |
---|
| 776 | if( bUseMVI ) |
---|
[5] | 777 | uiMergeIdx = HHI_MPI_MERGE_POS; |
---|
| 778 | else if( uiMergeIdx >= HHI_MPI_MERGE_POS ) |
---|
[2] | 779 | uiMergeIdx++; |
---|
| 780 | } |
---|
| 781 | UInt uiUnaryIdx = uiMergeIdx; |
---|
| 782 | for( UInt uiIdx = 0; uiIdx < MRG_MAX_NUM_CANDS; uiIdx++ ) |
---|
| 783 | { |
---|
| 784 | if( uiIdx < uiMviMergePos ) |
---|
| 785 | { |
---|
| 786 | if( pcCU->getNeighbourCandIdx( uiIdx, uiAbsPartIdx ) == uiIdx + 1 ) |
---|
| 787 | { |
---|
| 788 | uiNumCand++; |
---|
| 789 | } |
---|
| 790 | else if( uiIdx < uiMergeIdx ) |
---|
| 791 | { |
---|
| 792 | uiUnaryIdx--; |
---|
| 793 | } |
---|
| 794 | } |
---|
| 795 | else if( uiIdx > uiMviMergePos ) |
---|
| 796 | { |
---|
| 797 | if( pcCU->getNeighbourCandIdx( uiIdx - 1, uiAbsPartIdx ) == uiIdx ) |
---|
| 798 | { |
---|
| 799 | uiNumCand++; |
---|
| 800 | } |
---|
| 801 | else if( uiIdx < uiMergeIdx ) |
---|
| 802 | { |
---|
| 803 | uiUnaryIdx--; |
---|
| 804 | } |
---|
| 805 | } |
---|
| 806 | } |
---|
| 807 | #else |
---|
| 808 | UInt uiUnaryIdx = uiMergeIdx; |
---|
| 809 | for( UInt uiIdx = 0; uiIdx < MRG_MAX_NUM_CANDS; uiIdx++ ) |
---|
| 810 | { |
---|
| 811 | if( pcCU->getNeighbourCandIdx( uiIdx, uiAbsPartIdx ) == uiIdx + 1 ) |
---|
| 812 | { |
---|
| 813 | uiNumCand++; |
---|
| 814 | } |
---|
| 815 | else if( uiIdx < uiMergeIdx ) |
---|
| 816 | { |
---|
| 817 | uiUnaryIdx--; |
---|
| 818 | } |
---|
| 819 | } |
---|
| 820 | #endif |
---|
| 821 | AOF( uiNumCand > 1 ); |
---|
| 822 | for( UInt ui = 0; ui < uiNumCand - 1; ui++ ) |
---|
| 823 | { |
---|
| 824 | const UInt uiSymbol = ( ui == uiUnaryIdx ? 0 : 1 ); |
---|
| 825 | xWriteFlag( uiSymbol ); |
---|
| 826 | if( uiSymbol == 0 ) |
---|
| 827 | { |
---|
| 828 | break; |
---|
| 829 | } |
---|
| 830 | } |
---|
| 831 | } |
---|
[5] | 832 | #endif |
---|
[2] | 833 | |
---|
| 834 | |
---|
| 835 | /** code merge index |
---|
| 836 | * \param pcCU |
---|
| 837 | * \param uiAbsPartIdx |
---|
| 838 | * \returns Void |
---|
| 839 | */ |
---|
| 840 | Void TEncCavlc::codeMergeIndex ( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 841 | { |
---|
[5] | 842 | #if HHI_INTER_VIEW_MOTION_PRED || HHI_MPI |
---|
| 843 | #if HHI_INTER_VIEW_MOTION_PRED && HHI_MPI |
---|
[2] | 844 | if( ( pcCU->getSlice()->getSPS()->getViewId() > 0 && ( pcCU->getSlice()->getSPS()->getMultiviewMvPredMode() & PDM_USE_FOR_MERGE ) == PDM_USE_FOR_MERGE ) || |
---|
| 845 | ( pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE && pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_2Nx2N ) ) |
---|
[5] | 846 | #elif HHI_MPI |
---|
| 847 | if( pcCU->getSlice()->getSPS()->getUseMVI() && pcCU->getSlice()->getSliceType() != I_SLICE && pcCU->getPartitionSize( uiAbsPartIdx ) == SIZE_2Nx2N ) |
---|
[2] | 848 | #else |
---|
| 849 | if( pcCU->getSlice()->getSPS()->getViewId() > 0 && ( pcCU->getSlice()->getSPS()->getMultiviewMvPredMode() & PDM_USE_FOR_MERGE ) == PDM_USE_FOR_MERGE ) |
---|
| 850 | #endif |
---|
| 851 | { |
---|
| 852 | codeMergeIndexMV( pcCU, uiAbsPartIdx ); |
---|
| 853 | return; |
---|
| 854 | } |
---|
[5] | 855 | #endif |
---|
[2] | 856 | |
---|
| 857 | Bool bLeftInvolved = false; |
---|
| 858 | Bool bAboveInvolved = false; |
---|
| 859 | Bool bCollocatedInvolved = false; |
---|
| 860 | Bool bCornerInvolved = false; |
---|
| 861 | UInt uiNumCand = 0; |
---|
| 862 | for( UInt uiIter = 0; uiIter < MRG_MAX_NUM_CANDS; ++uiIter ) |
---|
| 863 | { |
---|
| 864 | if( pcCU->getNeighbourCandIdx( uiIter, uiAbsPartIdx ) == uiIter + 1 ) |
---|
| 865 | { |
---|
| 866 | uiNumCand++; |
---|
| 867 | if( uiIter == 0 ) |
---|
| 868 | { |
---|
| 869 | bLeftInvolved = true; |
---|
| 870 | } |
---|
| 871 | else if( uiIter == 1 ) |
---|
| 872 | { |
---|
| 873 | bAboveInvolved = true; |
---|
| 874 | } |
---|
| 875 | else if( uiIter == 2 ) |
---|
| 876 | { |
---|
| 877 | bCollocatedInvolved = true; |
---|
| 878 | } |
---|
| 879 | else if( uiIter == 3 ) |
---|
| 880 | { |
---|
| 881 | bCornerInvolved = true; |
---|
| 882 | } |
---|
| 883 | } |
---|
| 884 | } |
---|
| 885 | assert( uiNumCand > 1 ); |
---|
| 886 | UInt uiUnaryIdx = pcCU->getMergeIndex( uiAbsPartIdx ); |
---|
| 887 | if( !bCornerInvolved && uiUnaryIdx > 3 ) |
---|
| 888 | { |
---|
| 889 | --uiUnaryIdx; |
---|
| 890 | } |
---|
| 891 | if( !bCollocatedInvolved && uiUnaryIdx > 2 ) |
---|
| 892 | { |
---|
| 893 | --uiUnaryIdx; |
---|
| 894 | } |
---|
| 895 | if( !bAboveInvolved && uiUnaryIdx > 1 ) |
---|
| 896 | { |
---|
| 897 | --uiUnaryIdx; |
---|
| 898 | } |
---|
| 899 | if( !bLeftInvolved && uiUnaryIdx > 0 ) |
---|
| 900 | { |
---|
| 901 | --uiUnaryIdx; |
---|
| 902 | } |
---|
| 903 | for( UInt ui = 0; ui < uiNumCand - 1; ++ui ) |
---|
| 904 | { |
---|
| 905 | const UInt uiSymbol = ui == uiUnaryIdx ? 0 : 1; |
---|
| 906 | xWriteFlag( uiSymbol ); |
---|
| 907 | if( uiSymbol == 0 ) |
---|
| 908 | { |
---|
| 909 | break; |
---|
| 910 | } |
---|
| 911 | } |
---|
| 912 | } |
---|
| 913 | |
---|
| 914 | |
---|
[5] | 915 | #if HHI_INTER_VIEW_RESIDUAL_PRED |
---|
[2] | 916 | Void |
---|
| 917 | TEncCavlc::codeResPredFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 918 | { |
---|
| 919 | UInt uiSymbol = ( pcCU->getResPredFlag( uiAbsPartIdx ) ? 1 : 0 ); |
---|
| 920 | xWriteFlag( uiSymbol ); |
---|
| 921 | } |
---|
[5] | 922 | #endif |
---|
[2] | 923 | |
---|
| 924 | Void TEncCavlc::codeAlfCtrlFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 925 | { |
---|
| 926 | if (!m_bAlfCtrl) |
---|
| 927 | return; |
---|
| 928 | |
---|
| 929 | if( pcCU->getDepth(uiAbsPartIdx) > m_uiMaxAlfCtrlDepth && !pcCU->isFirstAbsZorderIdxInDepth(uiAbsPartIdx, m_uiMaxAlfCtrlDepth)) |
---|
| 930 | { |
---|
| 931 | return; |
---|
| 932 | } |
---|
| 933 | |
---|
| 934 | // get context function is here |
---|
| 935 | UInt uiSymbol = pcCU->getAlfCtrlFlag( uiAbsPartIdx ) ? 1 : 0; |
---|
| 936 | |
---|
| 937 | xWriteFlag( uiSymbol ); |
---|
| 938 | } |
---|
| 939 | |
---|
| 940 | Void TEncCavlc::codeAlfCtrlDepth() |
---|
| 941 | { |
---|
| 942 | if (!m_bAlfCtrl) |
---|
| 943 | return; |
---|
| 944 | |
---|
| 945 | UInt uiDepth = m_uiMaxAlfCtrlDepth; |
---|
| 946 | |
---|
| 947 | xWriteUnaryMaxSymbol(uiDepth, g_uiMaxCUDepth-1); |
---|
| 948 | } |
---|
| 949 | #if QC_LCEC_INTER_MODE |
---|
| 950 | Void TEncCavlc::codeInterModeFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiEncMode ) |
---|
| 951 | { |
---|
| 952 | Bool bHasSplit = ( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth )? 0 : 1; |
---|
| 953 | UInt uiSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0; |
---|
| 954 | UInt uiMode=0,uiControl=0; |
---|
| 955 | UInt uiTableDepth = uiDepth; |
---|
| 956 | if ( !bHasSplit ) |
---|
| 957 | { |
---|
| 958 | uiTableDepth = 3; |
---|
| 959 | } |
---|
| 960 | if(!uiSplitFlag || !bHasSplit) |
---|
| 961 | { |
---|
| 962 | uiMode = 1; |
---|
| 963 | uiControl = 1; |
---|
| 964 | if (!pcCU->isSkipped(uiAbsPartIdx )) |
---|
| 965 | { |
---|
| 966 | uiControl = 2; |
---|
| 967 | uiMode = 6; |
---|
| 968 | if (pcCU->getPredictionMode(uiAbsPartIdx) == MODE_INTER) |
---|
| 969 | { |
---|
| 970 | if(pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_2Nx2N) |
---|
| 971 | uiMode=pcCU->getMergeFlag(uiAbsPartIdx) ? 2 : 3; |
---|
| 972 | else |
---|
| 973 | uiMode=3+(UInt)pcCU->getPartitionSize(uiAbsPartIdx); |
---|
| 974 | } |
---|
| 975 | } |
---|
| 976 | } |
---|
| 977 | if (uiEncMode != uiControl ) |
---|
| 978 | return; |
---|
| 979 | UInt uiEndSym = bHasSplit ? 7 : 6; |
---|
| 980 | uiDepth = uiTableDepth; |
---|
| 981 | UInt uiLength = m_uiSplitTableE[uiDepth][uiMode] + 1; |
---|
| 982 | if (uiLength == uiEndSym) |
---|
| 983 | { |
---|
| 984 | xWriteCode( 0, uiLength - 1); |
---|
| 985 | } |
---|
| 986 | else |
---|
| 987 | { |
---|
| 988 | xWriteCode( 1, uiLength ); |
---|
| 989 | } |
---|
| 990 | UInt x = uiMode; |
---|
| 991 | UInt cx = m_uiSplitTableE[uiDepth][x]; |
---|
| 992 | /* Adapt table */ |
---|
| 993 | if ( m_bAdaptFlag) |
---|
| 994 | { |
---|
| 995 | #if CAVLC_COUNTER_ADAPT |
---|
| 996 | adaptCodeword(cx, m_ucSplitTableCounter[uiDepth], m_ucSplitTableCounterSum[uiDepth], m_uiSplitTableD[uiDepth], m_uiSplitTableE[uiDepth], 4); |
---|
| 997 | #else |
---|
| 998 | if(cx>0) |
---|
| 999 | { |
---|
| 1000 | UInt cy = Max(0,cx-1); |
---|
| 1001 | UInt y = m_uiSplitTableD[uiDepth][cy]; |
---|
| 1002 | m_uiSplitTableD[uiDepth][cy] = x; |
---|
| 1003 | m_uiSplitTableD[uiDepth][cx] = y; |
---|
| 1004 | m_uiSplitTableE[uiDepth][x] = cy; |
---|
| 1005 | m_uiSplitTableE[uiDepth][y] = cx; |
---|
| 1006 | } |
---|
| 1007 | #endif |
---|
| 1008 | } |
---|
| 1009 | return; |
---|
| 1010 | } |
---|
| 1011 | #endif |
---|
| 1012 | Void TEncCavlc::codeSkipFlag( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 1013 | { |
---|
| 1014 | #if QC_LCEC_INTER_MODE |
---|
| 1015 | codeInterModeFlag(pcCU,uiAbsPartIdx,(UInt)pcCU->getDepth(uiAbsPartIdx),1); |
---|
| 1016 | return; |
---|
| 1017 | #else |
---|
| 1018 | // get context function is here |
---|
| 1019 | UInt uiSymbol = pcCU->isSkipped( uiAbsPartIdx ) ? 1 : 0; |
---|
| 1020 | xWriteFlag( uiSymbol ); |
---|
| 1021 | #endif |
---|
| 1022 | } |
---|
| 1023 | |
---|
| 1024 | Void TEncCavlc::codeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1025 | { |
---|
| 1026 | if( uiDepth == g_uiMaxCUDepth - g_uiAddCUDepth ) |
---|
| 1027 | return; |
---|
| 1028 | #if QC_LCEC_INTER_MODE |
---|
| 1029 | if (!pcCU->getSlice()->isIntra()) |
---|
| 1030 | { |
---|
| 1031 | codeInterModeFlag(pcCU,uiAbsPartIdx,uiDepth,0); |
---|
| 1032 | return; |
---|
| 1033 | } |
---|
| 1034 | #endif |
---|
| 1035 | UInt uiCurrSplitFlag = ( pcCU->getDepth( uiAbsPartIdx ) > uiDepth ) ? 1 : 0; |
---|
| 1036 | |
---|
| 1037 | xWriteFlag( uiCurrSplitFlag ); |
---|
| 1038 | return; |
---|
| 1039 | } |
---|
| 1040 | |
---|
| 1041 | Void TEncCavlc::codeTransformSubdivFlag( UInt uiSymbol, UInt uiCtx ) |
---|
| 1042 | { |
---|
| 1043 | xWriteFlag( uiSymbol ); |
---|
| 1044 | } |
---|
| 1045 | |
---|
| 1046 | Void TEncCavlc::codeQtCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ) |
---|
| 1047 | { |
---|
| 1048 | UInt uiCbf = pcCU->getCbf( uiAbsPartIdx, eType, uiTrDepth ); |
---|
| 1049 | xWriteFlag( uiCbf ); |
---|
| 1050 | } |
---|
| 1051 | |
---|
| 1052 | Void TEncCavlc::codeQtRootCbf( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 1053 | { |
---|
| 1054 | UInt uiCbf = pcCU->getQtRootCbf( uiAbsPartIdx ); |
---|
| 1055 | xWriteFlag( uiCbf ? 1 : 0 ); |
---|
| 1056 | } |
---|
| 1057 | |
---|
| 1058 | #if LCEC_INTRA_MODE |
---|
| 1059 | #if MTK_DCM_MPM |
---|
| 1060 | Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 1061 | { |
---|
| 1062 | Int iDir = pcCU->getLumaIntraDir( uiAbsPartIdx ); |
---|
| 1063 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 1064 | #if ADD_PLANAR_MODE |
---|
| 1065 | UInt planarFlag = 0; |
---|
| 1066 | if (iDir == PLANAR_IDX) |
---|
| 1067 | { |
---|
| 1068 | iDir = 2; |
---|
| 1069 | planarFlag = 1; |
---|
| 1070 | } |
---|
| 1071 | #endif |
---|
| 1072 | |
---|
| 1073 | Int uiPreds[2] = {-1, -1}; |
---|
| 1074 | Int uiPredNum = pcCU->getIntraDirLumaPredictor(uiAbsPartIdx, uiPreds); |
---|
| 1075 | |
---|
| 1076 | Int uiPredIdx = -1; |
---|
| 1077 | |
---|
| 1078 | for(UInt i = 0; i < uiPredNum; i++) |
---|
| 1079 | { |
---|
| 1080 | if(iDir == uiPreds[i]) |
---|
| 1081 | { |
---|
| 1082 | uiPredIdx = i; |
---|
| 1083 | } |
---|
| 1084 | } |
---|
| 1085 | |
---|
| 1086 | if ( g_aucIntraModeBitsAng[iIntraIdx] < 5 ) |
---|
| 1087 | { |
---|
| 1088 | if(uiPredIdx != -1) |
---|
| 1089 | { |
---|
| 1090 | xWriteFlag(1); |
---|
| 1091 | if(uiPredNum == 2) |
---|
| 1092 | { |
---|
| 1093 | xWriteFlag((UInt)uiPredIdx); |
---|
| 1094 | } |
---|
| 1095 | } |
---|
| 1096 | else |
---|
| 1097 | { |
---|
| 1098 | xWriteFlag(0); |
---|
| 1099 | for(Int i = (uiPredNum - 1); i >= 0; i--) |
---|
| 1100 | { |
---|
| 1101 | iDir = iDir > uiPreds[i] ? iDir - 1 : iDir; |
---|
| 1102 | } |
---|
| 1103 | |
---|
| 1104 | |
---|
| 1105 | xWriteFlag( iDir & 0x01 ? 1 : 0 ); |
---|
| 1106 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 2 ) { xWriteFlag( iDir & 0x02 ? 1 : 0 ); } |
---|
| 1107 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 3 ) { xWriteFlag( iDir & 0x04 ? 1 : 0 ); } |
---|
| 1108 | } |
---|
| 1109 | |
---|
| 1110 | } |
---|
| 1111 | else |
---|
| 1112 | { |
---|
| 1113 | UInt uiCode, uiLength; |
---|
| 1114 | Int iRankIntraMode, iRankIntraModeLarger, iDirLarger; |
---|
| 1115 | |
---|
| 1116 | const UInt *huff; |
---|
| 1117 | const UInt *lengthHuff; |
---|
| 1118 | UInt *m_uiIntraModeTableD; |
---|
| 1119 | UInt *m_uiIntraModeTableE; |
---|
| 1120 | |
---|
| 1121 | if ( g_aucIntraModeBitsAng[iIntraIdx] == 5 ) |
---|
| 1122 | { |
---|
| 1123 | huff = huff17_2[uiPredNum - 1]; |
---|
| 1124 | lengthHuff = lengthHuff17_2[uiPredNum - 1]; |
---|
| 1125 | m_uiIntraModeTableD = m_uiIntraModeTableD17[uiPredNum - 1]; |
---|
| 1126 | m_uiIntraModeTableE = m_uiIntraModeTableE17[uiPredNum - 1]; |
---|
| 1127 | } |
---|
| 1128 | else |
---|
| 1129 | { |
---|
| 1130 | huff = huff34_2[uiPredNum - 1]; |
---|
| 1131 | lengthHuff = lengthHuff34_2[uiPredNum - 1]; |
---|
| 1132 | m_uiIntraModeTableD = m_uiIntraModeTableD34[uiPredNum - 1]; |
---|
| 1133 | m_uiIntraModeTableE = m_uiIntraModeTableE34[uiPredNum - 1]; |
---|
| 1134 | } |
---|
| 1135 | |
---|
| 1136 | if(uiPredIdx != -1) |
---|
| 1137 | { |
---|
| 1138 | uiCode=huff[0]; |
---|
| 1139 | uiLength=lengthHuff[0]; |
---|
| 1140 | xWriteCode(uiCode, uiLength); |
---|
| 1141 | |
---|
| 1142 | if(uiPredNum == 2) |
---|
| 1143 | { |
---|
| 1144 | xWriteFlag((UInt)uiPredIdx); |
---|
| 1145 | } |
---|
| 1146 | } |
---|
| 1147 | else |
---|
| 1148 | { |
---|
| 1149 | for(Int i = (uiPredNum - 1); i >= 0; i--) |
---|
| 1150 | { |
---|
| 1151 | iDir = iDir > uiPreds[i] ? iDir - 1 : iDir; |
---|
| 1152 | } |
---|
| 1153 | iRankIntraMode=m_uiIntraModeTableE[iDir]; |
---|
| 1154 | |
---|
| 1155 | uiCode=huff[iRankIntraMode+1]; |
---|
| 1156 | uiLength=lengthHuff[iRankIntraMode+1]; |
---|
| 1157 | |
---|
| 1158 | xWriteCode(uiCode, uiLength); |
---|
| 1159 | |
---|
| 1160 | if ( m_bAdaptFlag ) |
---|
| 1161 | { |
---|
| 1162 | iRankIntraModeLarger = Max(0,iRankIntraMode-1); |
---|
| 1163 | iDirLarger = m_uiIntraModeTableD[iRankIntraModeLarger]; |
---|
| 1164 | |
---|
| 1165 | m_uiIntraModeTableD[iRankIntraModeLarger] = iDir; |
---|
| 1166 | m_uiIntraModeTableD[iRankIntraMode] = iDirLarger; |
---|
| 1167 | m_uiIntraModeTableE[iDir] = iRankIntraModeLarger; |
---|
| 1168 | m_uiIntraModeTableE[iDirLarger] = iRankIntraMode; |
---|
| 1169 | } |
---|
| 1170 | } |
---|
| 1171 | } |
---|
| 1172 | #if ADD_PLANAR_MODE |
---|
| 1173 | iDir = pcCU->getLumaIntraDir( uiAbsPartIdx ); |
---|
| 1174 | if ( (iDir == PLANAR_IDX) || (iDir == 2) ) |
---|
| 1175 | { |
---|
| 1176 | xWriteFlag( planarFlag ); |
---|
| 1177 | } |
---|
| 1178 | #endif |
---|
| 1179 | } |
---|
| 1180 | #else |
---|
| 1181 | Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 1182 | { |
---|
| 1183 | Int iDir = pcCU->getLumaIntraDir( uiAbsPartIdx ); |
---|
| 1184 | Int iMostProbable = pcCU->getMostProbableIntraDirLuma( uiAbsPartIdx ); |
---|
| 1185 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 1186 | UInt uiCode, uiLength; |
---|
| 1187 | Int iRankIntraMode, iRankIntraModeLarger, iDirLarger; |
---|
| 1188 | #if ADD_PLANAR_MODE |
---|
| 1189 | UInt planarFlag = 0; |
---|
| 1190 | if (iDir == PLANAR_IDX) |
---|
| 1191 | { |
---|
| 1192 | iDir = 2; |
---|
| 1193 | planarFlag = 1; |
---|
| 1194 | } |
---|
| 1195 | #endif |
---|
| 1196 | |
---|
| 1197 | UInt ind=(pcCU->getLeftIntraDirLuma( uiAbsPartIdx )==pcCU->getAboveIntraDirLuma( uiAbsPartIdx ))? 0 : 1; |
---|
| 1198 | |
---|
| 1199 | const UInt *huff17=huff17_2[ind]; |
---|
| 1200 | const UInt *lengthHuff17=lengthHuff17_2[ind]; |
---|
| 1201 | const UInt *huff34=huff34_2[ind]; |
---|
| 1202 | const UInt *lengthHuff34=lengthHuff34_2[ind]; |
---|
| 1203 | |
---|
| 1204 | if ( g_aucIntraModeBitsAng[iIntraIdx] < 5 ) |
---|
| 1205 | { |
---|
| 1206 | if (iDir == iMostProbable) |
---|
| 1207 | xWriteFlag( 1 ); |
---|
| 1208 | else{ |
---|
| 1209 | if (iDir>iMostProbable) |
---|
| 1210 | iDir--; |
---|
| 1211 | xWriteFlag( 0 ); |
---|
| 1212 | xWriteFlag( iDir & 0x01 ? 1 : 0 ); |
---|
| 1213 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 2 ) xWriteFlag( iDir & 0x02 ? 1 : 0 ); |
---|
| 1214 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 3 ) xWriteFlag( iDir & 0x04 ? 1 : 0 ); |
---|
| 1215 | } |
---|
| 1216 | } |
---|
| 1217 | else if ( g_aucIntraModeBitsAng[iIntraIdx] == 5 ) |
---|
| 1218 | { |
---|
| 1219 | |
---|
| 1220 | if (iDir==iMostProbable) |
---|
| 1221 | { |
---|
| 1222 | uiCode=huff17[0]; |
---|
| 1223 | uiLength=lengthHuff17[0]; |
---|
| 1224 | } |
---|
| 1225 | else |
---|
| 1226 | { |
---|
| 1227 | if (iDir>iMostProbable) |
---|
| 1228 | { |
---|
| 1229 | iDir--; |
---|
| 1230 | } |
---|
| 1231 | iRankIntraMode=m_uiIntraModeTableE17[iDir]; |
---|
| 1232 | |
---|
| 1233 | uiCode=huff17[iRankIntraMode+1]; |
---|
| 1234 | uiLength=lengthHuff17[iRankIntraMode+1]; |
---|
| 1235 | |
---|
| 1236 | if ( m_bAdaptFlag ) |
---|
| 1237 | { |
---|
| 1238 | iRankIntraModeLarger = Max(0,iRankIntraMode-1); |
---|
| 1239 | iDirLarger = m_uiIntraModeTableD17[iRankIntraModeLarger]; |
---|
| 1240 | |
---|
| 1241 | m_uiIntraModeTableD17[iRankIntraModeLarger] = iDir; |
---|
| 1242 | m_uiIntraModeTableD17[iRankIntraMode] = iDirLarger; |
---|
| 1243 | m_uiIntraModeTableE17[iDir] = iRankIntraModeLarger; |
---|
| 1244 | m_uiIntraModeTableE17[iDirLarger] = iRankIntraMode; |
---|
| 1245 | } |
---|
| 1246 | } |
---|
| 1247 | xWriteCode(uiCode, uiLength); |
---|
| 1248 | } |
---|
| 1249 | else{ |
---|
| 1250 | if (iDir==iMostProbable) |
---|
| 1251 | { |
---|
| 1252 | uiCode=huff34[0]; |
---|
| 1253 | uiLength=lengthHuff34[0]; |
---|
| 1254 | } |
---|
| 1255 | else{ |
---|
| 1256 | if (iDir>iMostProbable) |
---|
| 1257 | { |
---|
| 1258 | iDir--; |
---|
| 1259 | } |
---|
| 1260 | iRankIntraMode=m_uiIntraModeTableE34[iDir]; |
---|
| 1261 | |
---|
| 1262 | uiCode=huff34[iRankIntraMode+1]; |
---|
| 1263 | uiLength=lengthHuff34[iRankIntraMode+1]; |
---|
| 1264 | |
---|
| 1265 | if ( m_bAdaptFlag ) |
---|
| 1266 | { |
---|
| 1267 | iRankIntraModeLarger = Max(0,iRankIntraMode-1); |
---|
| 1268 | iDirLarger = m_uiIntraModeTableD34[iRankIntraModeLarger]; |
---|
| 1269 | |
---|
| 1270 | m_uiIntraModeTableD34[iRankIntraModeLarger] = iDir; |
---|
| 1271 | m_uiIntraModeTableD34[iRankIntraMode] = iDirLarger; |
---|
| 1272 | m_uiIntraModeTableE34[iDir] = iRankIntraModeLarger; |
---|
| 1273 | m_uiIntraModeTableE34[iDirLarger] = iRankIntraMode; |
---|
| 1274 | } |
---|
| 1275 | } |
---|
| 1276 | |
---|
| 1277 | xWriteCode(uiCode, uiLength); |
---|
| 1278 | } |
---|
| 1279 | |
---|
| 1280 | #if ADD_PLANAR_MODE |
---|
| 1281 | iDir = pcCU->getLumaIntraDir( uiAbsPartIdx ); |
---|
| 1282 | if ( (iDir == PLANAR_IDX) || (iDir == 2) ) |
---|
| 1283 | { |
---|
| 1284 | xWriteFlag( planarFlag ); |
---|
| 1285 | } |
---|
| 1286 | #endif |
---|
| 1287 | |
---|
| 1288 | } |
---|
| 1289 | #endif |
---|
| 1290 | #else |
---|
| 1291 | |
---|
| 1292 | Void TEncCavlc::codeIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 1293 | { |
---|
| 1294 | UInt uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx ); |
---|
| 1295 | Int iMostProbable = pcCU->getMostProbableIntraDirLuma( uiAbsPartIdx ); |
---|
| 1296 | #if ADD_PLANAR_MODE |
---|
| 1297 | UInt planarFlag = 0; |
---|
| 1298 | if (uiDir == PLANAR_IDX) |
---|
| 1299 | { |
---|
| 1300 | uiDir = 2; |
---|
| 1301 | planarFlag = 1; |
---|
| 1302 | } |
---|
| 1303 | #endif |
---|
| 1304 | |
---|
| 1305 | if (uiDir == iMostProbable) |
---|
| 1306 | { |
---|
| 1307 | xWriteFlag( 1 ); |
---|
| 1308 | } |
---|
| 1309 | else |
---|
| 1310 | { |
---|
| 1311 | xWriteFlag( 0 ); |
---|
| 1312 | uiDir = uiDir > iMostProbable ? uiDir - 1 : uiDir; |
---|
| 1313 | Int iIntraIdx = pcCU->getIntraSizeIdx(uiAbsPartIdx); |
---|
| 1314 | if ( g_aucIntraModeBitsAng[iIntraIdx] < 6 ) |
---|
| 1315 | { |
---|
| 1316 | xWriteFlag( uiDir & 0x01 ? 1 : 0 ); |
---|
| 1317 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 2 ) xWriteFlag( uiDir & 0x02 ? 1 : 0 ); |
---|
| 1318 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 3 ) xWriteFlag( uiDir & 0x04 ? 1 : 0 ); |
---|
| 1319 | if ( g_aucIntraModeBitsAng[iIntraIdx] > 4 ) xWriteFlag( uiDir & 0x08 ? 1 : 0 ); |
---|
| 1320 | } |
---|
| 1321 | else |
---|
| 1322 | { |
---|
| 1323 | if (uiDir < 31) |
---|
| 1324 | { // uiDir is here 0...32, 5 bits for uiDir 0...30, 31 is an escape code for coding one more bit for 31 and 32 |
---|
| 1325 | xWriteFlag( uiDir & 0x01 ? 1 : 0 ); |
---|
| 1326 | xWriteFlag( uiDir & 0x02 ? 1 : 0 ); |
---|
| 1327 | xWriteFlag( uiDir & 0x04 ? 1 : 0 ); |
---|
| 1328 | xWriteFlag( uiDir & 0x08 ? 1 : 0 ); |
---|
| 1329 | xWriteFlag( uiDir & 0x10 ? 1 : 0 ); |
---|
| 1330 | } |
---|
| 1331 | else |
---|
| 1332 | { |
---|
| 1333 | xWriteFlag( 1 ); |
---|
| 1334 | xWriteFlag( 1 ); |
---|
| 1335 | xWriteFlag( 1 ); |
---|
| 1336 | xWriteFlag( 1 ); |
---|
| 1337 | xWriteFlag( 1 ); |
---|
| 1338 | xWriteFlag( uiDir == 32 ? 1 : 0 ); |
---|
| 1339 | } |
---|
| 1340 | } |
---|
| 1341 | } |
---|
| 1342 | |
---|
| 1343 | #if ADD_PLANAR_MODE |
---|
| 1344 | uiDir = pcCU->getLumaIntraDir( uiAbsPartIdx ); |
---|
| 1345 | if ( (uiDir == PLANAR_IDX) || (uiDir == 2) ) |
---|
| 1346 | { |
---|
| 1347 | xWriteFlag( planarFlag ); |
---|
| 1348 | } |
---|
| 1349 | #endif |
---|
| 1350 | |
---|
| 1351 | } |
---|
| 1352 | #endif |
---|
| 1353 | |
---|
| 1354 | Void TEncCavlc::codeIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 1355 | { |
---|
| 1356 | UInt uiIntraDirChroma = pcCU->getChromaIntraDir ( uiAbsPartIdx ); |
---|
| 1357 | #if ADD_PLANAR_MODE |
---|
| 1358 | UInt planarFlag = 0; |
---|
| 1359 | if (uiIntraDirChroma == PLANAR_IDX) |
---|
| 1360 | { |
---|
| 1361 | uiIntraDirChroma = 2; |
---|
| 1362 | planarFlag = 1; |
---|
| 1363 | } |
---|
| 1364 | #endif |
---|
| 1365 | |
---|
| 1366 | #if CHROMA_CODEWORD |
---|
| 1367 | UInt uiMode = pcCU->getLumaIntraDir(uiAbsPartIdx); |
---|
| 1368 | #if ADD_PLANAR_MODE |
---|
| 1369 | if ( (uiMode == 2 ) || (uiMode == PLANAR_IDX) ) |
---|
| 1370 | { |
---|
| 1371 | uiMode = 4; |
---|
| 1372 | } |
---|
| 1373 | #endif |
---|
| 1374 | #if LM_CHROMA |
---|
| 1375 | Bool bUseLMFlag = pcCU->getSlice()->getSPS()->getUseLMChroma(); |
---|
| 1376 | |
---|
| 1377 | Int iMaxMode = bUseLMFlag ? 3 : 4; |
---|
| 1378 | |
---|
| 1379 | Int iMax = uiMode < iMaxMode ? 3 : 4; |
---|
| 1380 | |
---|
| 1381 | //switch codeword |
---|
| 1382 | if (uiIntraDirChroma == 4) |
---|
| 1383 | { |
---|
| 1384 | uiIntraDirChroma = 0; |
---|
| 1385 | } |
---|
| 1386 | else if (uiIntraDirChroma == 3 && bUseLMFlag ) |
---|
| 1387 | { |
---|
| 1388 | uiIntraDirChroma = 1; |
---|
| 1389 | } |
---|
| 1390 | else |
---|
| 1391 | { |
---|
| 1392 | if (uiIntraDirChroma < uiMode) |
---|
| 1393 | uiIntraDirChroma++; |
---|
| 1394 | |
---|
| 1395 | if (bUseLMFlag) |
---|
| 1396 | uiIntraDirChroma++; |
---|
| 1397 | #if CHROMA_CODEWORD_SWITCH |
---|
| 1398 | uiIntraDirChroma = ChromaMapping[iMax-3][uiIntraDirChroma]; |
---|
| 1399 | #endif |
---|
| 1400 | } |
---|
| 1401 | |
---|
| 1402 | xWriteUnaryMaxSymbol( uiIntraDirChroma, iMax); |
---|
| 1403 | |
---|
| 1404 | #else //<--LM_CHROMA |
---|
| 1405 | Int iMax = uiMode < 4 ? 3 : 4; |
---|
| 1406 | |
---|
| 1407 | //switch codeword |
---|
| 1408 | if (uiIntraDirChroma == 4) |
---|
| 1409 | { |
---|
| 1410 | uiIntraDirChroma = 0; |
---|
| 1411 | } |
---|
| 1412 | #if CHROMA_CODEWORD_SWITCH |
---|
| 1413 | else |
---|
| 1414 | { |
---|
| 1415 | if (uiIntraDirChroma < uiMode) |
---|
| 1416 | { |
---|
| 1417 | uiIntraDirChroma++; |
---|
| 1418 | } |
---|
| 1419 | uiIntraDirChroma = ChromaMapping[iMax-3][uiIntraDirChroma]; |
---|
| 1420 | } |
---|
| 1421 | #else |
---|
| 1422 | else if (uiIntraDirChroma < uiMode) |
---|
| 1423 | { |
---|
| 1424 | uiIntraDirChroma++; |
---|
| 1425 | } |
---|
| 1426 | #endif |
---|
| 1427 | xWriteUnaryMaxSymbol( uiIntraDirChroma, iMax); |
---|
| 1428 | #endif //<-- LM_CHROMA |
---|
| 1429 | |
---|
| 1430 | #else // CHROMA_CODEWORD |
---|
| 1431 | if ( 0 == uiIntraDirChroma ) |
---|
| 1432 | { |
---|
| 1433 | xWriteFlag( 0 ); |
---|
| 1434 | } |
---|
| 1435 | else |
---|
| 1436 | { |
---|
| 1437 | xWriteFlag( 1 ); |
---|
| 1438 | xWriteUnaryMaxSymbol( uiIntraDirChroma - 1, 3 ); |
---|
| 1439 | } |
---|
| 1440 | #endif |
---|
| 1441 | |
---|
| 1442 | #if ADD_PLANAR_MODE |
---|
| 1443 | uiIntraDirChroma = pcCU->getChromaIntraDir( uiAbsPartIdx ); |
---|
| 1444 | #if CHROMA_CODEWORD |
---|
| 1445 | uiMode = pcCU->getLumaIntraDir(uiAbsPartIdx); |
---|
| 1446 | mapPlanartoDC( uiIntraDirChroma ); |
---|
| 1447 | mapPlanartoDC( uiMode ); |
---|
| 1448 | if ( (uiIntraDirChroma == 2) && (uiMode != 2) ) |
---|
| 1449 | #else |
---|
| 1450 | if ( (uiIntraDirChroma == PLANAR_IDX) || (uiIntraDirChroma == 2) ) |
---|
| 1451 | #endif |
---|
| 1452 | { |
---|
| 1453 | xWriteFlag( planarFlag ); |
---|
| 1454 | } |
---|
| 1455 | #endif |
---|
| 1456 | return; |
---|
| 1457 | } |
---|
| 1458 | |
---|
| 1459 | Void TEncCavlc::codeInterDir( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 1460 | { |
---|
| 1461 | UInt uiInterDir = pcCU->getInterDir ( uiAbsPartIdx ); |
---|
| 1462 | uiInterDir--; |
---|
| 1463 | |
---|
| 1464 | #if UNIFY_INTER_TABLE |
---|
| 1465 | #if DCM_COMB_LIST |
---|
| 1466 | UInt uiNumRefIdxOfLC = pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C); |
---|
| 1467 | #endif |
---|
| 1468 | #define min(a, b) (((a) < (b)) ? (a) : (b)) |
---|
| 1469 | #if DCM_COMB_LIST |
---|
| 1470 | UInt uiValNumRefIdxOfLC = min(4,pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C)); |
---|
| 1471 | #endif |
---|
| 1472 | UInt uiValNumRefIdxOfL0 = min(2,pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_0)); |
---|
| 1473 | UInt uiValNumRefIdxOfL1 = min(2,pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_1)); |
---|
| 1474 | |
---|
| 1475 | if ( pcCU->getSlice()->getRefIdxCombineCoding() ) |
---|
| 1476 | { |
---|
| 1477 | #if CAVLC_COUNTER_ADAPT |
---|
| 1478 | Int x,cx; |
---|
| 1479 | #else |
---|
| 1480 | Int x,cx,y,cy; |
---|
| 1481 | #endif |
---|
| 1482 | Int iRefFrame0,iRefFrame1; |
---|
| 1483 | UInt uiIndex = 0; |
---|
| 1484 | |
---|
| 1485 | UInt *m_uiMITableE; |
---|
| 1486 | UInt *m_uiMITableD; |
---|
| 1487 | |
---|
| 1488 | m_uiMITableE = m_uiMI1TableE; |
---|
| 1489 | m_uiMITableD = m_uiMI1TableD; |
---|
| 1490 | |
---|
| 1491 | UInt uiMaxVal; |
---|
| 1492 | #if DCM_COMB_LIST |
---|
| 1493 | if (uiNumRefIdxOfLC > 0) |
---|
| 1494 | { |
---|
| 1495 | uiMaxVal = uiValNumRefIdxOfLC + uiValNumRefIdxOfL0*uiValNumRefIdxOfL1; |
---|
| 1496 | } |
---|
| 1497 | else |
---|
| 1498 | #endif |
---|
| 1499 | if (m_pcSlice->getNoBackPredFlag()) |
---|
| 1500 | { |
---|
| 1501 | uiMaxVal = uiValNumRefIdxOfL0 + uiValNumRefIdxOfL0*uiValNumRefIdxOfL1; |
---|
| 1502 | } |
---|
| 1503 | else |
---|
| 1504 | { |
---|
| 1505 | uiMaxVal = uiValNumRefIdxOfL0 + uiValNumRefIdxOfL1 + uiValNumRefIdxOfL0*uiValNumRefIdxOfL1; |
---|
| 1506 | } |
---|
| 1507 | |
---|
| 1508 | if (uiInterDir==0) |
---|
| 1509 | { |
---|
| 1510 | #if DCM_COMB_LIST |
---|
| 1511 | if(uiNumRefIdxOfLC > 0) |
---|
| 1512 | { |
---|
| 1513 | iRefFrame0 = pcCU->getSlice()->getRefIdxOfLC(REF_PIC_LIST_0, pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx )); |
---|
| 1514 | } |
---|
| 1515 | else |
---|
| 1516 | #endif |
---|
| 1517 | { |
---|
| 1518 | iRefFrame0 = pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1519 | } |
---|
| 1520 | uiIndex = iRefFrame0; |
---|
| 1521 | #if DCM_COMB_LIST |
---|
| 1522 | if(uiNumRefIdxOfLC > 0) |
---|
| 1523 | { |
---|
| 1524 | if ( iRefFrame0 >= 4 ) |
---|
| 1525 | { |
---|
| 1526 | uiIndex = uiMaxVal; |
---|
| 1527 | } |
---|
| 1528 | } |
---|
| 1529 | else |
---|
| 1530 | #endif |
---|
| 1531 | { |
---|
| 1532 | if ( iRefFrame0 > 1 ) |
---|
| 1533 | { |
---|
| 1534 | uiIndex = uiMaxVal; |
---|
| 1535 | } |
---|
| 1536 | } |
---|
| 1537 | } |
---|
| 1538 | else if (uiInterDir==1) |
---|
| 1539 | { |
---|
| 1540 | #if DCM_COMB_LIST |
---|
| 1541 | if(uiNumRefIdxOfLC > 0) |
---|
| 1542 | { |
---|
| 1543 | iRefFrame1 = pcCU->getSlice()->getRefIdxOfLC(REF_PIC_LIST_1, pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx )); |
---|
| 1544 | uiIndex = iRefFrame1; |
---|
| 1545 | } |
---|
| 1546 | else |
---|
| 1547 | #endif |
---|
| 1548 | { |
---|
| 1549 | iRefFrame1 = pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1550 | uiIndex = uiValNumRefIdxOfL0 + iRefFrame1; |
---|
| 1551 | } |
---|
| 1552 | #if DCM_COMB_LIST |
---|
| 1553 | if(uiNumRefIdxOfLC > 0) |
---|
| 1554 | { |
---|
| 1555 | if ( iRefFrame1 >= 4 ) |
---|
| 1556 | { |
---|
| 1557 | uiIndex = uiMaxVal; |
---|
| 1558 | } |
---|
| 1559 | } |
---|
| 1560 | else |
---|
| 1561 | #endif |
---|
| 1562 | { |
---|
| 1563 | if ( iRefFrame1 > 1 ) |
---|
| 1564 | { |
---|
| 1565 | uiIndex = uiMaxVal; |
---|
| 1566 | } |
---|
| 1567 | } |
---|
| 1568 | } |
---|
| 1569 | else |
---|
| 1570 | { |
---|
| 1571 | iRefFrame0 = pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1572 | iRefFrame1 = pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1573 | if ( iRefFrame0 >= 2 || iRefFrame1 >= 2 ) |
---|
| 1574 | { |
---|
| 1575 | uiIndex = uiMaxVal; |
---|
| 1576 | } |
---|
| 1577 | else |
---|
| 1578 | { |
---|
| 1579 | #if DCM_COMB_LIST |
---|
| 1580 | if(uiNumRefIdxOfLC > 0) |
---|
| 1581 | { |
---|
| 1582 | uiIndex = uiValNumRefIdxOfLC + iRefFrame0*uiValNumRefIdxOfL1 + iRefFrame1; |
---|
| 1583 | } |
---|
| 1584 | else |
---|
| 1585 | #endif |
---|
| 1586 | if (m_pcSlice->getNoBackPredFlag()) |
---|
| 1587 | { |
---|
| 1588 | uiMaxVal = uiValNumRefIdxOfL0 + iRefFrame0*uiValNumRefIdxOfL1 + iRefFrame1; |
---|
| 1589 | } |
---|
| 1590 | else |
---|
| 1591 | { |
---|
| 1592 | uiIndex = uiValNumRefIdxOfL0 + uiValNumRefIdxOfL1 + iRefFrame0*uiValNumRefIdxOfL1 + iRefFrame1; |
---|
| 1593 | } |
---|
| 1594 | } |
---|
| 1595 | } |
---|
| 1596 | |
---|
| 1597 | x = uiIndex; |
---|
| 1598 | |
---|
| 1599 | cx = m_uiMITableE[x]; |
---|
| 1600 | |
---|
| 1601 | /* Adapt table */ |
---|
| 1602 | if ( m_bAdaptFlag ) |
---|
| 1603 | { |
---|
| 1604 | #if CAVLC_COUNTER_ADAPT |
---|
| 1605 | adaptCodeword(cx, m_ucMI1TableCounter, m_ucMI1TableCounterSum, m_uiMITableD, m_uiMITableE, 4); |
---|
| 1606 | #else |
---|
| 1607 | cy = Max(0,cx-1); |
---|
| 1608 | y = m_uiMITableD[cy]; |
---|
| 1609 | m_uiMITableD[cy] = x; |
---|
| 1610 | m_uiMITableD[cx] = y; |
---|
| 1611 | m_uiMITableE[x] = cy; |
---|
| 1612 | m_uiMITableE[y] = cx; |
---|
| 1613 | m_uiMITableVlcIdx += cx == m_uiMITableVlcIdx ? 0 : (cx < m_uiMITableVlcIdx ? -1 : 1); |
---|
| 1614 | #endif |
---|
| 1615 | } |
---|
| 1616 | |
---|
| 1617 | xWriteUnaryMaxSymbol( cx, uiMaxVal ); |
---|
| 1618 | |
---|
| 1619 | if ( x<uiMaxVal ) |
---|
| 1620 | { |
---|
| 1621 | return; |
---|
| 1622 | } |
---|
| 1623 | } |
---|
| 1624 | |
---|
| 1625 | #else //UNIFY_INTER_TABLE |
---|
| 1626 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1627 | if ( pcCU->getSlice()->getRefIdxCombineCoding() ) |
---|
| 1628 | #else |
---|
| 1629 | if(pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_0 ) <= 2 && pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_1 ) <= 2) |
---|
| 1630 | #endif |
---|
| 1631 | { |
---|
| 1632 | #if CAVLC_COUNTER_ADAPT |
---|
| 1633 | Int x,cx; |
---|
| 1634 | #else |
---|
| 1635 | Int x,cx,y,cy; |
---|
| 1636 | #endif |
---|
| 1637 | Int iRefFrame0,iRefFrame1; |
---|
| 1638 | UInt uiIndex; |
---|
| 1639 | |
---|
| 1640 | UInt *m_uiMITableE; |
---|
| 1641 | UInt *m_uiMITableD; |
---|
| 1642 | { |
---|
| 1643 | m_uiMITableE = m_uiMI1TableE; |
---|
| 1644 | m_uiMITableD = m_uiMI1TableD; |
---|
| 1645 | if (uiInterDir==0) |
---|
| 1646 | { |
---|
| 1647 | #if DCM_COMB_LIST |
---|
| 1648 | if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0) |
---|
| 1649 | { |
---|
| 1650 | iRefFrame0 = pcCU->getSlice()->getRefIdxOfLC(REF_PIC_LIST_0, pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx )); |
---|
| 1651 | } |
---|
| 1652 | else |
---|
| 1653 | { |
---|
| 1654 | iRefFrame0 = pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1655 | } |
---|
| 1656 | #else |
---|
| 1657 | iRefFrame0 = pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1658 | #endif |
---|
| 1659 | uiIndex = iRefFrame0; |
---|
| 1660 | |
---|
| 1661 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1662 | if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0) |
---|
| 1663 | { |
---|
| 1664 | if ( iRefFrame0 >= 4 ) |
---|
| 1665 | { |
---|
| 1666 | uiIndex = 8; |
---|
| 1667 | } |
---|
| 1668 | } |
---|
| 1669 | else |
---|
| 1670 | { |
---|
| 1671 | if ( iRefFrame0 > MS_LCEC_UNI_EXCEPTION_THRES ) |
---|
| 1672 | { |
---|
| 1673 | uiIndex = 8; |
---|
| 1674 | } |
---|
| 1675 | } |
---|
| 1676 | #endif |
---|
| 1677 | } |
---|
| 1678 | else if (uiInterDir==1) |
---|
| 1679 | { |
---|
| 1680 | #if DCM_COMB_LIST |
---|
| 1681 | if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0) |
---|
| 1682 | { |
---|
| 1683 | iRefFrame1 = pcCU->getSlice()->getRefIdxOfLC(REF_PIC_LIST_1, pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx )); |
---|
| 1684 | uiIndex = iRefFrame1; |
---|
| 1685 | } |
---|
| 1686 | else |
---|
| 1687 | { |
---|
| 1688 | iRefFrame1 = pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1689 | uiIndex = 2 + iRefFrame1; |
---|
| 1690 | } |
---|
| 1691 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1692 | if(pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0) |
---|
| 1693 | { |
---|
| 1694 | if ( iRefFrame1 >= 4 ) |
---|
| 1695 | { |
---|
| 1696 | uiIndex = 8; |
---|
| 1697 | } |
---|
| 1698 | } |
---|
| 1699 | else |
---|
| 1700 | { |
---|
| 1701 | if ( iRefFrame1 > MS_LCEC_UNI_EXCEPTION_THRES ) |
---|
| 1702 | { |
---|
| 1703 | uiIndex = 8; |
---|
| 1704 | } |
---|
| 1705 | } |
---|
| 1706 | #endif |
---|
| 1707 | #else |
---|
| 1708 | iRefFrame1 = pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1709 | uiIndex = 2 + iRefFrame1; |
---|
| 1710 | #endif |
---|
| 1711 | } |
---|
| 1712 | else |
---|
| 1713 | { |
---|
| 1714 | iRefFrame0 = pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1715 | iRefFrame1 = pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx ); |
---|
| 1716 | uiIndex = 4 + 2*iRefFrame0 + iRefFrame1; |
---|
| 1717 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1718 | if ( iRefFrame0 >= 2 || iRefFrame1 >= 2 ) |
---|
| 1719 | { |
---|
| 1720 | uiIndex = 8; |
---|
| 1721 | } |
---|
| 1722 | #endif |
---|
| 1723 | } |
---|
| 1724 | } |
---|
| 1725 | |
---|
| 1726 | x = uiIndex; |
---|
| 1727 | |
---|
| 1728 | cx = m_uiMITableE[x]; |
---|
| 1729 | |
---|
| 1730 | /* Adapt table */ |
---|
| 1731 | #if !MS_LCEC_LOOKUP_TABLE_MAX_VALUE |
---|
| 1732 | UInt vlcn = g_auiMITableVlcNum[m_uiMITableVlcIdx]; |
---|
| 1733 | #endif |
---|
| 1734 | if ( m_bAdaptFlag ) |
---|
| 1735 | { |
---|
| 1736 | #if CAVLC_COUNTER_ADAPT |
---|
| 1737 | adaptCodeword(cx, m_ucMI1TableCounter, m_ucMI1TableCounterSum, m_uiMITableD, m_uiMITableE, 4); |
---|
| 1738 | #else |
---|
| 1739 | cy = Max(0,cx-1); |
---|
| 1740 | y = m_uiMITableD[cy]; |
---|
| 1741 | m_uiMITableD[cy] = x; |
---|
| 1742 | m_uiMITableD[cx] = y; |
---|
| 1743 | m_uiMITableE[x] = cy; |
---|
| 1744 | m_uiMITableE[y] = cx; |
---|
| 1745 | m_uiMITableVlcIdx += cx == m_uiMITableVlcIdx ? 0 : (cx < m_uiMITableVlcIdx ? -1 : 1); |
---|
| 1746 | #endif |
---|
| 1747 | } |
---|
| 1748 | |
---|
| 1749 | { |
---|
| 1750 | #if MS_LCEC_LOOKUP_TABLE_MAX_VALUE |
---|
| 1751 | UInt uiMaxVal = 7; |
---|
| 1752 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1753 | uiMaxVal = 8; |
---|
| 1754 | #endif |
---|
| 1755 | if ( pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_0 ) <= 1 && pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_1 ) <= 1 ) |
---|
| 1756 | { |
---|
| 1757 | if ( pcCU->getSlice()->getNoBackPredFlag() || ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) <= 1 ) ) |
---|
| 1758 | { |
---|
| 1759 | uiMaxVal = 1; |
---|
| 1760 | } |
---|
| 1761 | else |
---|
| 1762 | { |
---|
| 1763 | uiMaxVal = 2; |
---|
| 1764 | } |
---|
| 1765 | } |
---|
| 1766 | else if ( pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_0 ) <= 2 && pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_1 ) <= 2 ) |
---|
| 1767 | { |
---|
| 1768 | if ( pcCU->getSlice()->getNoBackPredFlag() || ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 && pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) <= 2 ) ) |
---|
| 1769 | { |
---|
| 1770 | uiMaxVal = 5; |
---|
| 1771 | } |
---|
| 1772 | else |
---|
| 1773 | { |
---|
| 1774 | uiMaxVal = 7; |
---|
| 1775 | } |
---|
| 1776 | } |
---|
| 1777 | else if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) <= 0 ) // GPB case |
---|
| 1778 | { |
---|
| 1779 | uiMaxVal = 4+1+MS_LCEC_UNI_EXCEPTION_THRES; |
---|
| 1780 | } |
---|
| 1781 | |
---|
| 1782 | xWriteUnaryMaxSymbol( cx, uiMaxVal ); |
---|
| 1783 | #else |
---|
| 1784 | xWriteVlc( vlcn, cx ); |
---|
| 1785 | #endif |
---|
| 1786 | } |
---|
| 1787 | |
---|
| 1788 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1789 | if ( x<8 ) |
---|
| 1790 | #endif |
---|
| 1791 | { |
---|
| 1792 | return; |
---|
| 1793 | } |
---|
| 1794 | } |
---|
| 1795 | #endif //UNIFY_INTER_TABLE |
---|
| 1796 | |
---|
| 1797 | xWriteFlag( ( uiInterDir == 2 ? 1 : 0 )); |
---|
| 1798 | if ( pcCU->getSlice()->getNoBackPredFlag() ) |
---|
| 1799 | { |
---|
| 1800 | assert( uiInterDir != 1 ); |
---|
| 1801 | return; |
---|
| 1802 | } |
---|
| 1803 | #if DCM_COMB_LIST |
---|
| 1804 | if ( uiInterDir < 2 && pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) <= 0) |
---|
| 1805 | #else |
---|
| 1806 | if ( uiInterDir < 2 ) |
---|
| 1807 | #endif |
---|
| 1808 | { |
---|
| 1809 | xWriteFlag( uiInterDir ); |
---|
| 1810 | } |
---|
| 1811 | |
---|
| 1812 | return; |
---|
| 1813 | } |
---|
| 1814 | |
---|
| 1815 | Void TEncCavlc::codeRefFrmIdx( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
---|
| 1816 | { |
---|
| 1817 | #if DCM_COMB_LIST |
---|
| 1818 | Int iRefFrame; |
---|
| 1819 | RefPicList eRefListTemp; |
---|
| 1820 | |
---|
| 1821 | if( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C)>0) |
---|
| 1822 | { |
---|
| 1823 | if ( pcCU->getInterDir( uiAbsPartIdx ) != 3) |
---|
| 1824 | { |
---|
| 1825 | eRefListTemp = REF_PIC_LIST_C; |
---|
| 1826 | iRefFrame = pcCU->getSlice()->getRefIdxOfLC(eRefList, pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx )); |
---|
| 1827 | } |
---|
| 1828 | else |
---|
| 1829 | { |
---|
| 1830 | eRefListTemp = eRefList; |
---|
| 1831 | iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ); |
---|
| 1832 | } |
---|
| 1833 | } |
---|
| 1834 | else |
---|
| 1835 | { |
---|
| 1836 | eRefListTemp = eRefList; |
---|
| 1837 | iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ); |
---|
| 1838 | } |
---|
| 1839 | #else |
---|
| 1840 | Int iRefFrame = pcCU->getCUMvField( eRefList )->getRefIdx( uiAbsPartIdx ); |
---|
| 1841 | #endif |
---|
| 1842 | |
---|
| 1843 | if (pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_0 ) <= 2 && pcCU->getSlice()->getNumRefIdx( REF_PIC_LIST_1 ) <= 2 && pcCU->getSlice()->isInterB()) |
---|
| 1844 | { |
---|
| 1845 | return; |
---|
| 1846 | } |
---|
| 1847 | |
---|
| 1848 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1849 | if ( pcCU->getSlice()->getRefIdxCombineCoding() && pcCU->getInterDir(uiAbsPartIdx)==3 && |
---|
| 1850 | pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx ) < 2 && |
---|
| 1851 | pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx ) < 2 ) |
---|
| 1852 | { |
---|
| 1853 | return; |
---|
| 1854 | } |
---|
| 1855 | else if ( pcCU->getSlice()->getRefIdxCombineCoding() && pcCU->getInterDir(uiAbsPartIdx)==1 && |
---|
| 1856 | ( ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C)>0 && pcCU->getSlice()->getRefIdxOfLC(REF_PIC_LIST_0, pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx )) < 4 ) || |
---|
| 1857 | ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C)<=0 && pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx ) <= MS_LCEC_UNI_EXCEPTION_THRES ) ) ) |
---|
| 1858 | { |
---|
| 1859 | return; |
---|
| 1860 | } |
---|
| 1861 | else if ( pcCU->getSlice()->getRefIdxCombineCoding() && pcCU->getInterDir(uiAbsPartIdx)==2 && pcCU->getSlice()->getRefIdxOfLC(REF_PIC_LIST_1, pcCU->getCUMvField( REF_PIC_LIST_1 )->getRefIdx( uiAbsPartIdx )) < 4 ) |
---|
| 1862 | { |
---|
| 1863 | return; |
---|
| 1864 | } |
---|
| 1865 | |
---|
| 1866 | UInt uiRefFrmIdxMinus = 0; |
---|
| 1867 | if ( pcCU->getSlice()->getRefIdxCombineCoding() ) |
---|
| 1868 | { |
---|
| 1869 | if ( pcCU->getInterDir( uiAbsPartIdx ) != 3 ) |
---|
| 1870 | { |
---|
| 1871 | if ( pcCU->getSlice()->getNumRefIdx(REF_PIC_LIST_C) > 0 ) |
---|
| 1872 | { |
---|
| 1873 | uiRefFrmIdxMinus = 4; |
---|
| 1874 | assert( iRefFrame >=4 ); |
---|
| 1875 | } |
---|
| 1876 | else |
---|
| 1877 | { |
---|
| 1878 | uiRefFrmIdxMinus = MS_LCEC_UNI_EXCEPTION_THRES+1; |
---|
| 1879 | assert( iRefFrame > MS_LCEC_UNI_EXCEPTION_THRES ); |
---|
| 1880 | } |
---|
| 1881 | |
---|
| 1882 | } |
---|
| 1883 | else if ( eRefList == REF_PIC_LIST_1 && pcCU->getCUMvField( REF_PIC_LIST_0 )->getRefIdx( uiAbsPartIdx ) < 2 ) |
---|
| 1884 | { |
---|
| 1885 | uiRefFrmIdxMinus = 2; |
---|
| 1886 | assert( iRefFrame >= 2 ); |
---|
| 1887 | } |
---|
| 1888 | } |
---|
| 1889 | |
---|
| 1890 | if ( pcCU->getSlice()->getNumRefIdx( eRefListTemp ) - uiRefFrmIdxMinus <= 1 ) |
---|
| 1891 | { |
---|
| 1892 | return; |
---|
| 1893 | } |
---|
| 1894 | xWriteFlag( ( iRefFrame - uiRefFrmIdxMinus == 0 ? 0 : 1 ) ); |
---|
| 1895 | #else |
---|
| 1896 | xWriteFlag( ( iRefFrame == 0 ? 0 : 1 ) ); |
---|
| 1897 | #endif |
---|
| 1898 | |
---|
| 1899 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1900 | if ( iRefFrame - uiRefFrmIdxMinus > 0 ) |
---|
| 1901 | #else |
---|
| 1902 | if ( iRefFrame > 0 ) |
---|
| 1903 | #endif |
---|
| 1904 | { |
---|
| 1905 | { |
---|
| 1906 | #if DCM_COMB_LIST |
---|
| 1907 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1908 | xWriteUnaryMaxSymbol( iRefFrame - 1 - uiRefFrmIdxMinus, pcCU->getSlice()->getNumRefIdx( eRefListTemp )-2 - uiRefFrmIdxMinus ); |
---|
| 1909 | #else |
---|
| 1910 | xWriteUnaryMaxSymbol( iRefFrame - 1, pcCU->getSlice()->getNumRefIdx( eRefListTemp )-2 ); |
---|
| 1911 | #endif |
---|
| 1912 | #else |
---|
| 1913 | #if MS_LCEC_LOOKUP_TABLE_EXCEPTION |
---|
| 1914 | xWriteUnaryMaxSymbol( iRefFrame - 1 - uiRefFrmIdxMinus, pcCU->getSlice()->getNumRefIdx( eRefList )-2 - uiRefFrmIdxMinus ); |
---|
| 1915 | #else |
---|
| 1916 | xWriteUnaryMaxSymbol( iRefFrame - 1, pcCU->getSlice()->getNumRefIdx( eRefList )-2 ); |
---|
| 1917 | #endif |
---|
| 1918 | #endif |
---|
| 1919 | } |
---|
| 1920 | } |
---|
| 1921 | return; |
---|
| 1922 | } |
---|
| 1923 | |
---|
| 1924 | Void TEncCavlc::codeViewIdx(Int iViewIdx) |
---|
| 1925 | { |
---|
| 1926 | xWriteUnaryMaxSymbol(iViewIdx, MAX_NUMBER_VIEWS ); |
---|
| 1927 | } |
---|
| 1928 | |
---|
| 1929 | Void TEncCavlc::codeMvd( TComDataCU* pcCU, UInt uiAbsPartIdx, RefPicList eRefList ) |
---|
| 1930 | { |
---|
| 1931 | TComCUMvField* pcCUMvField = pcCU->getCUMvField( eRefList ); |
---|
| 1932 | Int iHor = pcCUMvField->getMvd( uiAbsPartIdx ).getHor(); |
---|
| 1933 | Int iVer = pcCUMvField->getMvd( uiAbsPartIdx ).getVer(); |
---|
| 1934 | |
---|
| 1935 | UInt uiAbsPartIdxL, uiAbsPartIdxA; |
---|
| 1936 | Int iHorPred, iVerPred; |
---|
| 1937 | |
---|
| 1938 | TComDataCU* pcCUL = pcCU->getPULeft ( uiAbsPartIdxL, pcCU->getZorderIdxInCU() + uiAbsPartIdx ); |
---|
| 1939 | TComDataCU* pcCUA = pcCU->getPUAbove( uiAbsPartIdxA, pcCU->getZorderIdxInCU() + uiAbsPartIdx ); |
---|
| 1940 | |
---|
| 1941 | TComCUMvField* pcCUMvFieldL = ( pcCUL == NULL || pcCUL->isIntra( uiAbsPartIdxL ) ) ? NULL : pcCUL->getCUMvField( eRefList ); |
---|
| 1942 | TComCUMvField* pcCUMvFieldA = ( pcCUA == NULL || pcCUA->isIntra( uiAbsPartIdxA ) ) ? NULL : pcCUA->getCUMvField( eRefList ); |
---|
| 1943 | iHorPred = ( (pcCUMvFieldL == NULL) ? 0 : pcCUMvFieldL->getMvd( uiAbsPartIdxL ).getAbsHor() ) + |
---|
| 1944 | ( (pcCUMvFieldA == NULL) ? 0 : pcCUMvFieldA->getMvd( uiAbsPartIdxA ).getAbsHor() ); |
---|
| 1945 | iVerPred = ( (pcCUMvFieldL == NULL) ? 0 : pcCUMvFieldL->getMvd( uiAbsPartIdxL ).getAbsVer() ) + |
---|
| 1946 | ( (pcCUMvFieldA == NULL) ? 0 : pcCUMvFieldA->getMvd( uiAbsPartIdxA ).getAbsVer() ); |
---|
| 1947 | |
---|
| 1948 | xWriteSvlc( iHor ); |
---|
| 1949 | xWriteSvlc( iVer ); |
---|
| 1950 | |
---|
| 1951 | return; |
---|
| 1952 | } |
---|
| 1953 | |
---|
| 1954 | Void TEncCavlc::codeDeltaQP( TComDataCU* pcCU, UInt uiAbsPartIdx ) |
---|
| 1955 | { |
---|
| 1956 | Int iDQp = pcCU->getQP( uiAbsPartIdx ) - pcCU->getSlice()->getSliceQp(); |
---|
| 1957 | |
---|
| 1958 | if ( iDQp == 0 ) |
---|
| 1959 | { |
---|
| 1960 | xWriteFlag( 0 ); |
---|
| 1961 | } |
---|
| 1962 | else |
---|
| 1963 | { |
---|
| 1964 | xWriteFlag( 1 ); |
---|
| 1965 | xWriteSvlc( iDQp ); |
---|
| 1966 | } |
---|
| 1967 | |
---|
| 1968 | return; |
---|
| 1969 | } |
---|
| 1970 | |
---|
| 1971 | #if CAVLC_RQT_CBP |
---|
| 1972 | /** Function for coding cbf and split flag |
---|
| 1973 | * \param pcCU pointer to CU |
---|
| 1974 | * \param uiAbsPartIdx CU index |
---|
| 1975 | * \param uiDepth CU Depth |
---|
| 1976 | * \returns |
---|
| 1977 | * This function performs coding of cbf and split flag |
---|
| 1978 | */ |
---|
| 1979 | Void TEncCavlc::codeCbfTrdiv( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 1980 | { |
---|
| 1981 | UInt n,cx; |
---|
| 1982 | UInt uiTrDepth = uiDepth - pcCU->getDepth(uiAbsPartIdx); |
---|
| 1983 | UInt uiCBFY = pcCU->getCbf(uiAbsPartIdx, TEXT_LUMA, uiTrDepth); |
---|
| 1984 | UInt uiCBFU = pcCU->getCbf(uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepth); |
---|
| 1985 | UInt uiCBFV = pcCU->getCbf(uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepth); |
---|
| 1986 | UInt uiQPartNumParent = pcCU->getPic()->getNumPartInCU() >> ((uiDepth-1) << 1); |
---|
| 1987 | UInt uiQPartNumCurr = pcCU->getPic()->getNumPartInCU() >> ((uiDepth) << 1); |
---|
| 1988 | |
---|
| 1989 | const UInt uiSubdiv = pcCU->getTransformIdx( uiAbsPartIdx ) + pcCU->getDepth( uiAbsPartIdx ) > uiDepth; |
---|
| 1990 | UInt uiFlagPattern = xGetFlagPattern( pcCU, uiAbsPartIdx, uiDepth ); |
---|
| 1991 | n = pcCU->isIntra( uiAbsPartIdx ) ? 0 : 1; |
---|
| 1992 | |
---|
| 1993 | if(uiFlagPattern < 8) |
---|
| 1994 | { |
---|
| 1995 | UInt uiFullDepth = pcCU->getDepth(uiAbsPartIdx) + uiTrDepth; |
---|
| 1996 | UInt uiLog2TrSize = g_aucConvertToBit[ pcCU->getSlice()->getSPS()->getMaxCUWidth() >> uiFullDepth ] + 2; |
---|
| 1997 | if( uiLog2TrSize > pcCU->getSlice()->getSPS()->getQuadtreeTULog2MinSize() ) |
---|
| 1998 | { |
---|
| 1999 | UInt uiCBFU_Parent = pcCU->getCbf(uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepth-1); |
---|
| 2000 | UInt uiCBFV_Parent = pcCU->getCbf(uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepth-1); |
---|
| 2001 | if(uiCBFU_Parent) |
---|
| 2002 | { |
---|
| 2003 | xWriteFlag(uiCBFU); |
---|
| 2004 | } |
---|
| 2005 | if(uiCBFV_Parent) |
---|
| 2006 | { |
---|
| 2007 | xWriteFlag(uiCBFV); |
---|
| 2008 | } |
---|
| 2009 | } |
---|
| 2010 | |
---|
| 2011 | if(uiFlagPattern & 0x01) |
---|
| 2012 | { |
---|
| 2013 | codeTransformSubdivFlag( uiSubdiv, 0); |
---|
| 2014 | } |
---|
| 2015 | } |
---|
| 2016 | else |
---|
| 2017 | { |
---|
| 2018 | if(uiFlagPattern == 8) |
---|
| 2019 | { |
---|
| 2020 | if (uiAbsPartIdx % uiQPartNumParent ==0) |
---|
| 2021 | { |
---|
| 2022 | codeBlockCbf(pcCU, uiAbsPartIdx, TEXT_LUMA, uiTrDepth, uiQPartNumCurr); |
---|
| 2023 | } |
---|
| 2024 | } |
---|
| 2025 | else if(uiFlagPattern == 9) |
---|
| 2026 | { |
---|
| 2027 | bool bNeedToCode = true; |
---|
| 2028 | if ( n==1 && (uiAbsPartIdx%uiQPartNumParent) / uiQPartNumCurr == 3 ) |
---|
| 2029 | { |
---|
| 2030 | UInt uiTempAbsPartIdx = uiAbsPartIdx/uiQPartNumParent*uiQPartNumParent; |
---|
| 2031 | if ( pcCU->getCbf( uiTempAbsPartIdx + uiQPartNumCurr*0, TEXT_LUMA, uiTrDepth ) || |
---|
| 2032 | pcCU->getCbf( uiTempAbsPartIdx + uiQPartNumCurr*1, TEXT_LUMA, uiTrDepth ) || |
---|
| 2033 | pcCU->getCbf( uiTempAbsPartIdx + uiQPartNumCurr*2, TEXT_LUMA, uiTrDepth ) ) |
---|
| 2034 | { |
---|
| 2035 | bNeedToCode = true; |
---|
| 2036 | } |
---|
| 2037 | else |
---|
| 2038 | { |
---|
| 2039 | bNeedToCode = false; |
---|
| 2040 | xWriteFlag( uiSubdiv ); |
---|
| 2041 | } |
---|
| 2042 | } |
---|
| 2043 | if ( bNeedToCode ) |
---|
| 2044 | { |
---|
| 2045 | cx = m_uiCBP_YS_TableE[n][(uiCBFY<<1)+uiSubdiv]; |
---|
| 2046 | xWriteUnaryMaxSymbol(cx,n?2:3);//intra 3; inter 2 |
---|
| 2047 | |
---|
| 2048 | if ( m_bAdaptFlag ) |
---|
| 2049 | { |
---|
| 2050 | adaptCodeword(cx, m_ucCBP_YS_TableCounter[n], m_ucCBP_YS_TableCounterSum[n], m_uiCBP_YS_TableD[n], m_uiCBP_YS_TableE[n], 3); |
---|
| 2051 | } |
---|
| 2052 | } |
---|
| 2053 | } |
---|
| 2054 | else if( uiFlagPattern == 14) |
---|
| 2055 | { |
---|
| 2056 | UInt uiIdx = uiTrDepth? (2 + n) : n; |
---|
| 2057 | cx = m_uiCBP_YUV_TableE[uiIdx][(uiCBFV<<0) + (uiCBFU<<1) + (uiCBFY<<2)]; |
---|
| 2058 | xWriteUnaryMaxSymbol(cx,7); |
---|
| 2059 | |
---|
| 2060 | if ( m_bAdaptFlag ) |
---|
| 2061 | { |
---|
| 2062 | adaptCodeword(cx, m_ucCBP_YUV_TableCounter[uiIdx], m_ucCBP_YUV_TableCounterSum[uiIdx], m_uiCBP_YUV_TableD[uiIdx], m_uiCBP_YUV_TableE[uiIdx], 4); |
---|
| 2063 | } |
---|
| 2064 | } |
---|
| 2065 | else if ( uiFlagPattern == 11 || uiFlagPattern == 13 || uiFlagPattern == 15 ) |
---|
| 2066 | { |
---|
| 2067 | cx = m_uiCBP_YCS_TableE[n][(uiCBFY<<2)+((uiCBFU||uiCBFV?1:0)<<1)+uiSubdiv]; |
---|
| 2068 | xWriteCode(g_auiCBP_YCS_Table[n][cx], g_auiCBP_YCS_TableLen[n][cx]); |
---|
| 2069 | |
---|
| 2070 | if ( m_bAdaptFlag ) |
---|
| 2071 | { |
---|
| 2072 | adaptCodeword(cx, m_ucCBP_YCS_TableCounter[n], m_ucCBP_YCS_TableCounterSum[n], m_uiCBP_YCS_TableD[n], m_uiCBP_YCS_TableE[n], 4); |
---|
| 2073 | } |
---|
| 2074 | |
---|
| 2075 | //U and V |
---|
| 2076 | if ( uiFlagPattern == 15) |
---|
| 2077 | { |
---|
| 2078 | UInt uiCBFUV = (uiCBFU<<1) + uiCBFV; |
---|
| 2079 | if(uiCBFUV > 0) |
---|
| 2080 | { |
---|
| 2081 | xWriteUnaryMaxSymbol(n? (uiCBFUV - 1) : (3-uiCBFUV), 2); |
---|
| 2082 | } |
---|
| 2083 | } |
---|
| 2084 | } |
---|
| 2085 | else if (uiFlagPattern == 10 || uiFlagPattern == 12) |
---|
| 2086 | { |
---|
| 2087 | xWriteUnaryMaxSymbol(g_auiCBP_YC_TableE[n][(uiCBFY<<1)+(uiCBFU||uiCBFV?1:0)],3);//intra 3; inter 2 |
---|
| 2088 | } |
---|
| 2089 | } |
---|
| 2090 | return; |
---|
| 2091 | } |
---|
| 2092 | |
---|
| 2093 | |
---|
| 2094 | /** Function for parsing cbf and split |
---|
| 2095 | * \param pcCU pointer to CU |
---|
| 2096 | * \param uiAbsPartIdx CU index |
---|
| 2097 | * \param uiDepth CU Depth |
---|
| 2098 | * \returns flag pattern |
---|
| 2099 | * This function gets flagpattern for cbf and split flag |
---|
| 2100 | */ |
---|
| 2101 | UInt TEncCavlc::xGetFlagPattern( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) |
---|
| 2102 | { |
---|
| 2103 | const UInt uiLog2TrafoSize = g_aucConvertToBit[pcCU->getSlice()->getSPS()->getMaxCUWidth()]+2 - uiDepth; |
---|
| 2104 | UInt uiTrDepth = uiDepth - pcCU->getDepth( uiAbsPartIdx ); |
---|
| 2105 | UInt patternYUV, patternDiv; |
---|
| 2106 | UInt bY, bU, bV; |
---|
| 2107 | |
---|
| 2108 | UInt uiFullDepth = uiDepth; |
---|
| 2109 | UInt uiLog2TrSize = g_aucConvertToBit[ pcCU->getSlice()->getSPS()->getMaxCUWidth() >> uiFullDepth ] + 2; |
---|
| 2110 | if(uiTrDepth == 0) |
---|
| 2111 | { |
---|
| 2112 | patternYUV = 7; |
---|
| 2113 | } |
---|
| 2114 | else if( uiLog2TrSize > pcCU->getSlice()->getSPS()->getQuadtreeTULog2MinSize() ) |
---|
| 2115 | { |
---|
| 2116 | bY = pcCU->getCbf(uiAbsPartIdx, TEXT_LUMA, uiTrDepth - 1)?1:0; |
---|
| 2117 | bU = pcCU->getCbf(uiAbsPartIdx, TEXT_CHROMA_U, uiTrDepth - 1)?1:0; |
---|
| 2118 | bV = pcCU->getCbf(uiAbsPartIdx, TEXT_CHROMA_V, uiTrDepth - 1)?1:0; |
---|
| 2119 | patternYUV = (bY<<2) + (bU<<1) + bV; |
---|
| 2120 | } |
---|
| 2121 | else |
---|
| 2122 | { |
---|
| 2123 | bY = pcCU->getCbf(uiAbsPartIdx, TEXT_LUMA, uiTrDepth - 1)?1:0; |
---|
| 2124 | patternYUV = bY<<2; |
---|
| 2125 | } |
---|
| 2126 | |
---|
| 2127 | if( pcCU->getPredictionMode(uiAbsPartIdx) == MODE_INTRA && pcCU->getPartitionSize(uiAbsPartIdx) == SIZE_NxN && uiDepth == pcCU->getDepth(uiAbsPartIdx) ) |
---|
| 2128 | { |
---|
| 2129 | patternDiv = 0; |
---|
| 2130 | } |
---|
| 2131 | else if( uiLog2TrafoSize > pcCU->getSlice()->getSPS()->getQuadtreeTULog2MaxSize() ) |
---|
| 2132 | { |
---|
| 2133 | patternDiv = 0; |
---|
| 2134 | } |
---|
| 2135 | else if( uiLog2TrafoSize == pcCU->getSlice()->getSPS()->getQuadtreeTULog2MinSize() ) |
---|
| 2136 | { |
---|
| 2137 | patternDiv = 0; |
---|
| 2138 | } |
---|
| 2139 | else if( uiLog2TrafoSize == pcCU->getQuadtreeTULog2MinSizeInCU(uiAbsPartIdx) ) |
---|
| 2140 | { |
---|
| 2141 | patternDiv = 0; |
---|
| 2142 | } |
---|
| 2143 | else |
---|
| 2144 | { |
---|
| 2145 | patternDiv = 1; |
---|
| 2146 | } |
---|
| 2147 | return ((patternYUV<<1)+patternDiv); |
---|
| 2148 | } |
---|
| 2149 | #endif |
---|
| 2150 | |
---|
| 2151 | Void TEncCavlc::codeCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth ) |
---|
| 2152 | { |
---|
| 2153 | if (eType == TEXT_ALL) |
---|
| 2154 | { |
---|
| 2155 | #if CAVLC_COUNTER_ADAPT |
---|
| 2156 | Int n,x,cx; |
---|
| 2157 | #else |
---|
| 2158 | Int n,x,cx,y,cy; |
---|
| 2159 | #endif |
---|
| 2160 | |
---|
| 2161 | UInt uiCBFY = pcCU->getCbf(uiAbsPartIdx, TEXT_LUMA, 0); |
---|
| 2162 | UInt uiCBFU = pcCU->getCbf(uiAbsPartIdx, TEXT_CHROMA_U, 0); |
---|
| 2163 | UInt uiCBFV = pcCU->getCbf(uiAbsPartIdx, TEXT_CHROMA_V, 0); |
---|
| 2164 | UInt uiCBP = (uiCBFV<<2) + (uiCBFU<<1) + (uiCBFY<<0); |
---|
| 2165 | |
---|
| 2166 | /* Start adaptation */ |
---|
| 2167 | n = pcCU->isIntra( uiAbsPartIdx ) ? 0 : 1; |
---|
| 2168 | x = uiCBP; |
---|
| 2169 | #if CAVLC_RQT_CBP |
---|
| 2170 | cx = m_uiCBP_YUV_TableE[n][x]; |
---|
| 2171 | UInt vlcn = 0; |
---|
| 2172 | #else |
---|
| 2173 | cx = m_uiCBPTableE[n][x]; |
---|
| 2174 | UInt vlcn = g_auiCbpVlcNum[n][m_uiCbpVlcIdx[n]]; |
---|
| 2175 | #endif |
---|
| 2176 | |
---|
| 2177 | if ( m_bAdaptFlag ) |
---|
| 2178 | { |
---|
| 2179 | #if CAVLC_COUNTER_ADAPT |
---|
| 2180 | #if CAVLC_RQT_CBP |
---|
| 2181 | adaptCodeword(cx, m_ucCBP_YUV_TableCounter[n], m_ucCBP_YUV_TableCounterSum[n], m_uiCBP_YUV_TableD[n], m_uiCBP_YUV_TableE[n], 4); |
---|
| 2182 | #else |
---|
| 2183 | adaptCodeword(cx, m_ucCBFTableCounter[n], m_ucCBFTableCounterSum[n], m_uiCBPTableD[n], m_uiCBPTableE[n], 4); |
---|
| 2184 | #endif |
---|
| 2185 | #else |
---|
| 2186 | cy = Max(0,cx-1); |
---|
| 2187 | y = m_uiCBPTableD[n][cy]; |
---|
| 2188 | m_uiCBPTableD[n][cy] = x; |
---|
| 2189 | m_uiCBPTableD[n][cx] = y; |
---|
| 2190 | m_uiCBPTableE[n][x] = cy; |
---|
| 2191 | m_uiCBPTableE[n][y] = cx; |
---|
| 2192 | m_uiCbpVlcIdx[n] += cx == m_uiCbpVlcIdx[n] ? 0 : (cx < m_uiCbpVlcIdx[n] ? -1 : 1); |
---|
| 2193 | #endif |
---|
| 2194 | } |
---|
| 2195 | xWriteVlc( vlcn, cx ); |
---|
| 2196 | } |
---|
| 2197 | } |
---|
| 2198 | |
---|
| 2199 | Void TEncCavlc::codeBlockCbf( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiQPartNum, Bool bRD ) |
---|
| 2200 | { |
---|
| 2201 | UInt uiCbf0 = pcCU->getCbf ( uiAbsPartIdx, eType, uiTrDepth ); |
---|
| 2202 | UInt uiCbf1 = pcCU->getCbf ( uiAbsPartIdx + uiQPartNum, eType, uiTrDepth ); |
---|
| 2203 | UInt uiCbf2 = pcCU->getCbf ( uiAbsPartIdx + uiQPartNum*2, eType, uiTrDepth ); |
---|
| 2204 | UInt uiCbf3 = pcCU->getCbf ( uiAbsPartIdx + uiQPartNum*3, eType, uiTrDepth ); |
---|
| 2205 | UInt uiCbf = (uiCbf0<<3) | (uiCbf1<<2) | (uiCbf2<<1) | uiCbf3; |
---|
| 2206 | |
---|
| 2207 | assert(uiTrDepth > 0); |
---|
| 2208 | |
---|
| 2209 | if(bRD && uiCbf==0) |
---|
| 2210 | { |
---|
| 2211 | xWriteCode(0, 4); |
---|
| 2212 | return; |
---|
| 2213 | } |
---|
| 2214 | |
---|
| 2215 | assert(uiCbf > 0); |
---|
| 2216 | |
---|
| 2217 | uiCbf --; |
---|
| 2218 | |
---|
| 2219 | #if CAVLC_COUNTER_ADAPT |
---|
| 2220 | Int x,cx; |
---|
| 2221 | #else |
---|
| 2222 | Int x,cx,y,cy; |
---|
| 2223 | #endif |
---|
| 2224 | |
---|
| 2225 | UInt n = (pcCU->isIntra(uiAbsPartIdx) && eType == TEXT_LUMA)? 0:1; |
---|
| 2226 | x = uiCbf; |
---|
| 2227 | |
---|
| 2228 | #if CAVLC_RQT_CBP |
---|
| 2229 | cx = m_uiCBP_4Y_TableE[n][uiCbf]; |
---|
| 2230 | UInt vlcn = (n==0)?g_auiCBP_4Y_VlcNum[m_uiCBP_4Y_VlcIdx]:11; |
---|
| 2231 | #else |
---|
| 2232 | cx = m_uiBlkCBPTableE[n][uiCbf]; |
---|
| 2233 | UInt vlcn = (n==0)?g_auiBlkCbpVlcNum[m_uiBlkCbpVlcIdx]:11; |
---|
| 2234 | #endif |
---|
| 2235 | |
---|
| 2236 | |
---|
| 2237 | if ( m_bAdaptFlag ) |
---|
| 2238 | { |
---|
| 2239 | |
---|
| 2240 | #if CAVLC_COUNTER_ADAPT |
---|
| 2241 | #if CAVLC_RQT_CBP |
---|
| 2242 | adaptCodeword(cx, m_ucCBP_4Y_TableCounter[n], m_ucCBP_4Y_TableCounterSum[n], m_uiCBP_4Y_TableD[n], m_uiCBP_4Y_TableE[n], 2); |
---|
| 2243 | #else |
---|
| 2244 | adaptCodeword(cx, m_ucBlkCBPTableCounter[n], m_ucBlkCBPTableCounterSum[n], m_uiBlkCBPTableD[n], m_uiBlkCBPTableE[n], 2); |
---|
| 2245 | #endif |
---|
| 2246 | #else |
---|
| 2247 | cy = Max(0,cx-1); |
---|
| 2248 | y = m_uiBlkCBPTableD[n][cy]; |
---|
| 2249 | m_uiBlkCBPTableD[n][cy] = x; |
---|
| 2250 | m_uiBlkCBPTableD[n][cx] = y; |
---|
| 2251 | m_uiBlkCBPTableE[n][x] = cy; |
---|
| 2252 | m_uiBlkCBPTableE[n][y] = cx; |
---|
| 2253 | #endif |
---|
| 2254 | |
---|
| 2255 | #if CAVLC_RQT_CBP |
---|
| 2256 | if(n==0) |
---|
| 2257 | m_uiCBP_4Y_VlcIdx += cx == m_uiCBP_4Y_VlcIdx ? 0 : (cx < m_uiCBP_4Y_VlcIdx ? -1 : 1); |
---|
| 2258 | #else |
---|
| 2259 | if(n==0) |
---|
| 2260 | m_uiBlkCbpVlcIdx += cx == m_uiBlkCbpVlcIdx ? 0 : (cx < m_uiBlkCbpVlcIdx ? -1 : 1); |
---|
| 2261 | #endif |
---|
| 2262 | } |
---|
| 2263 | |
---|
| 2264 | xWriteVlc( vlcn, cx ); |
---|
| 2265 | return; |
---|
| 2266 | } |
---|
| 2267 | |
---|
| 2268 | Void TEncCavlc::codeCoeffNxN ( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType, Bool bRD ) |
---|
| 2269 | { |
---|
| 2270 | if ( uiWidth > m_pcSlice->getSPS()->getMaxTrSize() ) |
---|
| 2271 | { |
---|
| 2272 | uiWidth = m_pcSlice->getSPS()->getMaxTrSize(); |
---|
| 2273 | uiHeight = m_pcSlice->getSPS()->getMaxTrSize(); |
---|
| 2274 | } |
---|
| 2275 | UInt uiSize = uiWidth*uiHeight; |
---|
| 2276 | |
---|
| 2277 | // point to coefficient |
---|
| 2278 | TCoeff* piCoeff = pcCoef; |
---|
| 2279 | UInt uiNumSig = 0; |
---|
| 2280 | UInt uiScanning; |
---|
| 2281 | |
---|
| 2282 | // compute number of significant coefficients |
---|
| 2283 | UInt uiPart = 0; |
---|
| 2284 | xCheckCoeff(piCoeff, uiWidth, 0, uiNumSig, uiPart ); |
---|
| 2285 | |
---|
| 2286 | if ( bRD ) |
---|
| 2287 | { |
---|
| 2288 | UInt uiTempDepth = uiDepth - pcCU->getDepth( uiAbsPartIdx ); |
---|
| 2289 | pcCU->setCbfSubParts( ( uiNumSig ? 1 : 0 ) << uiTempDepth, eTType, uiAbsPartIdx, uiDepth ); |
---|
| 2290 | codeCbf( pcCU, uiAbsPartIdx, eTType, uiTempDepth ); |
---|
| 2291 | } |
---|
| 2292 | |
---|
| 2293 | if ( uiNumSig == 0 ) |
---|
| 2294 | { |
---|
| 2295 | return; |
---|
| 2296 | } |
---|
| 2297 | |
---|
| 2298 | // initialize scan |
---|
| 2299 | const UInt* pucScan; |
---|
| 2300 | |
---|
| 2301 | #if CAVLC_COEF_LRG_BLK |
---|
| 2302 | UInt maxBlSize = (eTType==TEXT_LUMA)?32:8; |
---|
| 2303 | UInt uiBlSize = Min(maxBlSize,uiWidth); |
---|
| 2304 | UInt uiConvBit = g_aucConvertToBit[ pcCU->isIntra( uiAbsPartIdx ) ? uiWidth :uiBlSize]; |
---|
| 2305 | UInt uiNoCoeff = uiBlSize*uiBlSize; |
---|
| 2306 | #else |
---|
| 2307 | //UInt uiConvBit = g_aucConvertToBit[ Min(8,uiWidth) ]; |
---|
| 2308 | UInt uiConvBit = g_aucConvertToBit[ pcCU->isIntra( uiAbsPartIdx ) ? uiWidth : Min(8,uiWidth) ]; |
---|
| 2309 | #endif |
---|
| 2310 | pucScan = g_auiFrameScanXY [ uiConvBit + 1 ]; |
---|
| 2311 | |
---|
| 2312 | #if QC_MDCS |
---|
| 2313 | UInt uiBlkPos; |
---|
| 2314 | #if CAVLC_COEF_LRG_BLK |
---|
| 2315 | UInt uiLog2BlkSize = g_aucConvertToBit[ pcCU->isIntra( uiAbsPartIdx ) ? uiWidth : uiBlSize] + 2; |
---|
| 2316 | #else |
---|
| 2317 | UInt uiLog2BlkSize = g_aucConvertToBit[ pcCU->isIntra( uiAbsPartIdx ) ? uiWidth : Min(8,uiWidth) ] + 2; |
---|
| 2318 | #endif |
---|
| 2319 | const UInt uiScanIdx = pcCU->getCoefScanIdx(uiAbsPartIdx, uiWidth, eTType==TEXT_LUMA, pcCU->isIntra(uiAbsPartIdx)); |
---|
| 2320 | #endif //QC_MDCS |
---|
| 2321 | |
---|
| 2322 | #if CAVLC_COEF_LRG_BLK |
---|
| 2323 | static TCoeff scoeff[1024]; |
---|
| 2324 | #else |
---|
| 2325 | TCoeff scoeff[64]; |
---|
| 2326 | #endif |
---|
| 2327 | Int iBlockType; |
---|
| 2328 | UInt uiCodeDCCoef = 0; |
---|
| 2329 | TCoeff dcCoeff = 0; |
---|
| 2330 | if (pcCU->isIntra(uiAbsPartIdx)) |
---|
| 2331 | { |
---|
| 2332 | UInt uiAbsPartIdxL, uiAbsPartIdxA; |
---|
| 2333 | TComDataCU* pcCUL = pcCU->getPULeft (uiAbsPartIdxL, pcCU->getZorderIdxInCU() + uiAbsPartIdx); |
---|
| 2334 | TComDataCU* pcCUA = pcCU->getPUAbove(uiAbsPartIdxA, pcCU->getZorderIdxInCU() + uiAbsPartIdx); |
---|
| 2335 | if (pcCUL == NULL && pcCUA == NULL) |
---|
| 2336 | { |
---|
| 2337 | uiCodeDCCoef = 1; |
---|
| 2338 | xWriteVlc((eTType == TEXT_LUMA ? 3 : 1) , abs(piCoeff[0])); |
---|
| 2339 | if (piCoeff[0] != 0) |
---|
| 2340 | { |
---|
| 2341 | UInt sign = (piCoeff[0] < 0) ? 1 : 0; |
---|
| 2342 | xWriteFlag(sign); |
---|
| 2343 | } |
---|
| 2344 | dcCoeff = piCoeff[0]; |
---|
| 2345 | piCoeff[0] = 1; |
---|
| 2346 | } |
---|
| 2347 | } |
---|
| 2348 | |
---|
| 2349 | if( uiSize == 2*2 ) |
---|
| 2350 | { |
---|
| 2351 | // hack: re-use 4x4 coding |
---|
| 2352 | ::memset( scoeff, 0, 16*sizeof(TCoeff) ); |
---|
| 2353 | for (uiScanning=0; uiScanning<4; uiScanning++) |
---|
| 2354 | { |
---|
| 2355 | #if QC_MDCS |
---|
| 2356 | uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlkSize-1][uiScanning]; |
---|
| 2357 | scoeff[15-uiScanning] = piCoeff[ uiBlkPos ]; |
---|
| 2358 | #else |
---|
| 2359 | scoeff[15-uiScanning] = piCoeff[ pucScan[ uiScanning ] ]; |
---|
| 2360 | #endif //QC_MDCS |
---|
| 2361 | } |
---|
| 2362 | #if QC_MOD_LCEC |
---|
| 2363 | if (eTType==TEXT_CHROMA_U || eTType==TEXT_CHROMA_V) |
---|
| 2364 | iBlockType = eTType-2; |
---|
| 2365 | else |
---|
| 2366 | iBlockType = 2 + ( pcCU->isIntra(uiAbsPartIdx) ? 0 : pcCU->getSlice()->getSliceType() ); |
---|
| 2367 | #else |
---|
| 2368 | iBlockType = pcCU->isIntra(uiAbsPartIdx) ? 0 : pcCU->getSlice()->getSliceType(); |
---|
| 2369 | #endif |
---|
| 2370 | |
---|
| 2371 | #if CAVLC_COEF_LRG_BLK |
---|
| 2372 | xCodeCoeff( scoeff, iBlockType, 4 ); |
---|
| 2373 | #else |
---|
| 2374 | xCodeCoeff4x4( scoeff, iBlockType ); |
---|
| 2375 | #endif |
---|
| 2376 | } |
---|
| 2377 | else if ( uiSize == 4*4 ) |
---|
| 2378 | { |
---|
| 2379 | for (uiScanning=0; uiScanning<16; uiScanning++) |
---|
| 2380 | { |
---|
| 2381 | #if QC_MDCS |
---|
| 2382 | uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlkSize-1][uiScanning]; |
---|
| 2383 | scoeff[15-uiScanning] = piCoeff[ uiBlkPos ]; |
---|
| 2384 | #else |
---|
| 2385 | scoeff[15-uiScanning] = piCoeff[ pucScan[ uiScanning ] ]; |
---|
| 2386 | #endif //QC_MDCS |
---|
| 2387 | } |
---|
| 2388 | #if QC_MOD_LCEC |
---|
| 2389 | if (eTType==TEXT_CHROMA_U || eTType==TEXT_CHROMA_V) |
---|
| 2390 | iBlockType = eTType-2; |
---|
| 2391 | else |
---|
| 2392 | iBlockType = 2 + ( pcCU->isIntra(uiAbsPartIdx) ? 0 : pcCU->getSlice()->getSliceType() ); |
---|
| 2393 | #else |
---|
| 2394 | iBlockType = pcCU->isIntra(uiAbsPartIdx) ? 0 : pcCU->getSlice()->getSliceType(); |
---|
| 2395 | #endif |
---|
| 2396 | |
---|
| 2397 | #if CAVLC_COEF_LRG_BLK |
---|
| 2398 | xCodeCoeff( scoeff, iBlockType, 4 ); |
---|
| 2399 | #else |
---|
| 2400 | xCodeCoeff4x4( scoeff, iBlockType ); |
---|
| 2401 | #endif |
---|
| 2402 | } |
---|
| 2403 | else if ( uiSize == 8*8 ) |
---|
| 2404 | { |
---|
| 2405 | for (uiScanning=0; uiScanning<64; uiScanning++) |
---|
| 2406 | { |
---|
| 2407 | #if QC_MDCS |
---|
| 2408 | uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlkSize-1][uiScanning]; |
---|
| 2409 | scoeff[63-uiScanning] = piCoeff[ uiBlkPos ]; |
---|
| 2410 | #else |
---|
| 2411 | scoeff[63-uiScanning] = piCoeff[ pucScan[ uiScanning ] ]; |
---|
| 2412 | #endif //QC_MDCS |
---|
| 2413 | } |
---|
| 2414 | if (eTType==TEXT_CHROMA_U || eTType==TEXT_CHROMA_V) |
---|
| 2415 | iBlockType = eTType-2; |
---|
| 2416 | else |
---|
| 2417 | iBlockType = 2 + ( pcCU->isIntra(uiAbsPartIdx) ? 0 : pcCU->getSlice()->getSliceType() ); |
---|
| 2418 | |
---|
| 2419 | #if CAVLC_COEF_LRG_BLK |
---|
| 2420 | xCodeCoeff( scoeff, iBlockType, 8 ); |
---|
| 2421 | #else |
---|
| 2422 | xCodeCoeff8x8( scoeff, iBlockType ); |
---|
| 2423 | #endif |
---|
| 2424 | } |
---|
| 2425 | else |
---|
| 2426 | { |
---|
| 2427 | if(!pcCU->isIntra( uiAbsPartIdx )) |
---|
| 2428 | { |
---|
| 2429 | #if CAVLC_COEF_LRG_BLK |
---|
| 2430 | UInt uiBlSizeInBit = g_aucConvertToBit[uiBlSize] + 2; |
---|
| 2431 | UInt uiWidthInBit = g_aucConvertToBit[uiWidth] + 2; |
---|
| 2432 | for (uiScanning=0; uiScanning<uiNoCoeff; uiScanning++) |
---|
| 2433 | { |
---|
| 2434 | #if QC_MDCS |
---|
| 2435 | uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlkSize-1][uiScanning]; |
---|
| 2436 | uiBlkPos = ((uiBlkPos>>uiBlSizeInBit) <<uiWidthInBit) + (uiBlkPos&(uiBlSize-1)); |
---|
| 2437 | scoeff[uiNoCoeff-uiScanning-1] = piCoeff[ uiBlkPos ]; |
---|
| 2438 | #else |
---|
| 2439 | scoeff[uiNoCoeff-uiScanning-1] = piCoeff[((pucScan[uiScanning]>>uiBlSizeInBit)<<uiWidthInBit) + (pucScan[uiScanning]&(uiBlSize-1))]; |
---|
| 2440 | #endif |
---|
| 2441 | } |
---|
| 2442 | #else |
---|
| 2443 | for (uiScanning=0; uiScanning<64; uiScanning++) |
---|
| 2444 | { |
---|
| 2445 | #if QC_MDCS |
---|
| 2446 | uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlkSize-1][uiScanning]; |
---|
| 2447 | uiBlkPos = (uiBlkPos/8) * uiWidth + uiBlkPos%8; |
---|
| 2448 | scoeff[63-uiScanning] = piCoeff[ uiBlkPos ]; |
---|
| 2449 | #else |
---|
| 2450 | scoeff[63-uiScanning] = piCoeff[(pucScan[uiScanning]/8)*uiWidth + (pucScan[uiScanning]%8)]; |
---|
| 2451 | #endif //QC_MDCS |
---|
| 2452 | } |
---|
| 2453 | if (eTType==TEXT_CHROMA_U || eTType==TEXT_CHROMA_V) |
---|
| 2454 | iBlockType = eTType-2; |
---|
| 2455 | else |
---|
| 2456 | iBlockType = 5 + ( pcCU->isIntra(uiAbsPartIdx) ? 0 : pcCU->getSlice()->getSliceType() ); |
---|
| 2457 | xCodeCoeff8x8( scoeff, iBlockType ); |
---|
| 2458 | return; |
---|
| 2459 | #endif |
---|
| 2460 | } |
---|
| 2461 | |
---|
| 2462 | if(pcCU->isIntra( uiAbsPartIdx )) |
---|
| 2463 | { |
---|
| 2464 | #if CAVLC_COEF_LRG_BLK |
---|
| 2465 | for (uiScanning=0; uiScanning<uiNoCoeff; uiScanning++) |
---|
| 2466 | { |
---|
| 2467 | #if QC_MDCS |
---|
| 2468 | uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlkSize-1][uiScanning]; |
---|
| 2469 | scoeff[uiNoCoeff-uiScanning-1] = piCoeff[ uiBlkPos ]; |
---|
| 2470 | #else |
---|
| 2471 | scoeff[uiNoCoeff-uiScanning-1] = piCoeff[ pucScan[ uiScanning ] ]; |
---|
| 2472 | #endif |
---|
| 2473 | } |
---|
| 2474 | #else |
---|
| 2475 | for (uiScanning=0; uiScanning<64; uiScanning++) |
---|
| 2476 | { |
---|
| 2477 | #if QC_MDCS |
---|
| 2478 | uiBlkPos = g_auiSigLastScan[uiScanIdx][uiLog2BlkSize-1][uiScanning]; |
---|
| 2479 | scoeff[63-uiScanning] = piCoeff[ uiBlkPos ]; |
---|
| 2480 | #else |
---|
| 2481 | scoeff[63-uiScanning] = piCoeff[ pucScan[ uiScanning ] ]; |
---|
| 2482 | #endif //QC_MDCS |
---|
| 2483 | } |
---|
| 2484 | |
---|
| 2485 | if (eTType==TEXT_CHROMA_U || eTType==TEXT_CHROMA_V) |
---|
| 2486 | iBlockType = eTType-2; |
---|
| 2487 | else |
---|
| 2488 | iBlockType = 5 + ( pcCU->isIntra(uiAbsPartIdx) ? 0 : pcCU->getSlice()->getSliceType() ); |
---|
| 2489 | xCodeCoeff8x8( scoeff, iBlockType ); |
---|
| 2490 | #endif |
---|
| 2491 | } |
---|
| 2492 | |
---|
| 2493 | #if CAVLC_COEF_LRG_BLK |
---|
| 2494 | if (eTType==TEXT_CHROMA_U || eTType==TEXT_CHROMA_V) |
---|
| 2495 | { |
---|
| 2496 | iBlockType = eTType-2; |
---|
| 2497 | } |
---|
| 2498 | else |
---|
| 2499 | { |
---|
| 2500 | iBlockType = 5 + ( pcCU->isIntra(uiAbsPartIdx) ? 0 : pcCU->getSlice()->getSliceType() ); |
---|
| 2501 | } |
---|
| 2502 | xCodeCoeff( scoeff, iBlockType, uiBlSize); |
---|
| 2503 | #endif |
---|
| 2504 | |
---|
| 2505 | //#endif |
---|
| 2506 | } |
---|
| 2507 | |
---|
| 2508 | if (uiCodeDCCoef == 1) |
---|
| 2509 | { |
---|
| 2510 | piCoeff[0] = dcCoeff; |
---|
| 2511 | } |
---|
| 2512 | } |
---|
| 2513 | |
---|
| 2514 | Void TEncCavlc::codeAlfFlag( UInt uiCode ) |
---|
| 2515 | { |
---|
| 2516 | |
---|
| 2517 | xWriteFlag( uiCode ); |
---|
| 2518 | } |
---|
| 2519 | |
---|
| 2520 | #if TSB_ALF_HEADER |
---|
| 2521 | Void TEncCavlc::codeAlfFlagNum( UInt uiCode, UInt minValue ) |
---|
| 2522 | { |
---|
| 2523 | UInt uiLength = 0; |
---|
| 2524 | UInt maxValue = (minValue << (this->getMaxAlfCtrlDepth()*2)); |
---|
| 2525 | assert((uiCode>=minValue)&&(uiCode<=maxValue)); |
---|
| 2526 | UInt temp = maxValue - minValue; |
---|
| 2527 | for(UInt i=0; i<32; i++) |
---|
| 2528 | { |
---|
| 2529 | if(temp&0x1) |
---|
| 2530 | { |
---|
| 2531 | uiLength = i+1; |
---|
| 2532 | } |
---|
| 2533 | temp = (temp >> 1); |
---|
| 2534 | } |
---|
| 2535 | if(uiLength) |
---|
| 2536 | { |
---|
| 2537 | xWriteCode( uiCode - minValue, uiLength ); |
---|
| 2538 | } |
---|
| 2539 | } |
---|
| 2540 | |
---|
| 2541 | Void TEncCavlc::codeAlfCtrlFlag( UInt uiSymbol ) |
---|
| 2542 | { |
---|
| 2543 | xWriteFlag( uiSymbol ); |
---|
| 2544 | } |
---|
| 2545 | #endif |
---|
| 2546 | |
---|
| 2547 | Void TEncCavlc::codeAlfUvlc( UInt uiCode ) |
---|
| 2548 | { |
---|
| 2549 | xWriteUvlc( uiCode ); |
---|
| 2550 | } |
---|
| 2551 | |
---|
| 2552 | Void TEncCavlc::codeAlfSvlc( Int iCode ) |
---|
| 2553 | { |
---|
| 2554 | xWriteSvlc( iCode ); |
---|
| 2555 | } |
---|
| 2556 | #if MTK_SAO |
---|
| 2557 | Void TEncCavlc::codeAoFlag( UInt uiCode ) |
---|
| 2558 | { |
---|
| 2559 | |
---|
| 2560 | xWriteFlag( uiCode ); |
---|
| 2561 | #if LCEC_STAT |
---|
| 2562 | if (m_bAdaptFlag) |
---|
| 2563 | m_uiBitAlfFlag += 1; |
---|
| 2564 | #endif |
---|
| 2565 | } |
---|
| 2566 | |
---|
| 2567 | Void TEncCavlc::codeAoUvlc( UInt uiCode ) |
---|
| 2568 | { |
---|
| 2569 | #if LCEC_STAT |
---|
| 2570 | if (m_bAdaptFlag) |
---|
| 2571 | m_uiBitAlfUvlc += xWriteUvlc( uiCode ); |
---|
| 2572 | else |
---|
| 2573 | #endif |
---|
| 2574 | xWriteUvlc( uiCode ); |
---|
| 2575 | } |
---|
| 2576 | |
---|
| 2577 | Void TEncCavlc::codeAoSvlc( Int iCode ) |
---|
| 2578 | { |
---|
| 2579 | #if LCEC_STAT |
---|
| 2580 | if (m_bAdaptFlag) |
---|
| 2581 | m_uiBitAlfSvlc += xWriteSvlc( iCode ); |
---|
| 2582 | else |
---|
| 2583 | #endif |
---|
| 2584 | xWriteSvlc( iCode ); |
---|
| 2585 | } |
---|
| 2586 | |
---|
| 2587 | #endif |
---|
| 2588 | |
---|
| 2589 | Void TEncCavlc::estBit( estBitsSbacStruct* pcEstBitsCabac, UInt uiCTXIdx, TextType eTType ) |
---|
| 2590 | { |
---|
| 2591 | // printf("error : no VLC mode support in this version\n"); |
---|
| 2592 | return; |
---|
| 2593 | } |
---|
| 2594 | |
---|
| 2595 | // ==================================================================================================================== |
---|
| 2596 | // Protected member functions |
---|
| 2597 | // ==================================================================================================================== |
---|
| 2598 | |
---|
| 2599 | Void TEncCavlc::xWriteCode ( UInt uiCode, UInt uiLength ) |
---|
| 2600 | { |
---|
| 2601 | assert ( uiLength > 0 ); |
---|
| 2602 | m_pcBitIf->write( uiCode, uiLength ); |
---|
| 2603 | } |
---|
| 2604 | |
---|
| 2605 | Void TEncCavlc::xWriteUvlc ( UInt uiCode ) |
---|
| 2606 | { |
---|
| 2607 | UInt uiLength = 1; |
---|
| 2608 | UInt uiTemp = ++uiCode; |
---|
| 2609 | |
---|
| 2610 | assert ( uiTemp ); |
---|
| 2611 | |
---|
| 2612 | while( 1 != uiTemp ) |
---|
| 2613 | { |
---|
| 2614 | uiTemp >>= 1; |
---|
| 2615 | uiLength += 2; |
---|
| 2616 | } |
---|
| 2617 | |
---|
| 2618 | m_pcBitIf->write( uiCode, uiLength ); |
---|
| 2619 | } |
---|
| 2620 | |
---|
| 2621 | Void TEncCavlc::xWriteSvlc ( Int iCode ) |
---|
| 2622 | { |
---|
| 2623 | UInt uiCode; |
---|
| 2624 | |
---|
| 2625 | uiCode = xConvertToUInt( iCode ); |
---|
| 2626 | xWriteUvlc( uiCode ); |
---|
| 2627 | } |
---|
| 2628 | |
---|
| 2629 | Void TEncCavlc::xWriteFlag( UInt uiCode ) |
---|
| 2630 | { |
---|
| 2631 | m_pcBitIf->write( uiCode, 1 ); |
---|
| 2632 | } |
---|
| 2633 | |
---|
| 2634 | Void TEncCavlc::xCheckCoeff( TCoeff* pcCoef, UInt uiSize, UInt uiDepth, UInt& uiNumofCoeff, UInt& uiPart ) |
---|
| 2635 | { |
---|
| 2636 | UInt ui = uiSize>>uiDepth; |
---|
| 2637 | if( uiPart == 0 ) |
---|
| 2638 | { |
---|
| 2639 | if( ui <= 4 ) |
---|
| 2640 | { |
---|
| 2641 | UInt x, y; |
---|
| 2642 | TCoeff* pCeoff = pcCoef; |
---|
| 2643 | for( y=0 ; y<ui ; y++ ) |
---|
| 2644 | { |
---|
| 2645 | for( x=0 ; x<ui ; x++ ) |
---|
| 2646 | { |
---|
| 2647 | if( pCeoff[x] != 0 ) |
---|
| 2648 | { |
---|
| 2649 | uiNumofCoeff++; |
---|
| 2650 | } |
---|
| 2651 | } |
---|
| 2652 | pCeoff += uiSize; |
---|
| 2653 | } |
---|
| 2654 | } |
---|
| 2655 | else |
---|
| 2656 | { |
---|
| 2657 | xCheckCoeff( pcCoef, uiSize, uiDepth+1, uiNumofCoeff, uiPart ); uiPart++; //1st Part |
---|
| 2658 | xCheckCoeff( pcCoef + (ui>>1), uiSize, uiDepth+1, uiNumofCoeff, uiPart ); uiPart++; //2nd Part |
---|
| 2659 | xCheckCoeff( pcCoef + (ui>>1)*uiSize, uiSize, uiDepth+1, uiNumofCoeff, uiPart ); uiPart++; //3rd Part |
---|
| 2660 | xCheckCoeff( pcCoef + (ui>>1)*uiSize + (ui>>1), uiSize, uiDepth+1, uiNumofCoeff, uiPart ); //4th Part |
---|
| 2661 | } |
---|
| 2662 | } |
---|
| 2663 | else |
---|
| 2664 | { |
---|
| 2665 | UInt x, y; |
---|
| 2666 | TCoeff* pCeoff = pcCoef; |
---|
| 2667 | for( y=0 ; y<ui ; y++ ) |
---|
| 2668 | { |
---|
| 2669 | for( x=0 ; x<ui ; x++ ) |
---|
| 2670 | { |
---|
| 2671 | if( pCeoff[x] != 0 ) |
---|
| 2672 | { |
---|
| 2673 | uiNumofCoeff++; |
---|
| 2674 | } |
---|
| 2675 | } |
---|
| 2676 | pCeoff += uiSize; |
---|
| 2677 | } |
---|
| 2678 | } |
---|
| 2679 | } |
---|
| 2680 | |
---|
| 2681 | Void TEncCavlc::xWriteUnaryMaxSymbol( UInt uiSymbol, UInt uiMaxSymbol ) |
---|
| 2682 | { |
---|
| 2683 | if (uiMaxSymbol == 0) |
---|
| 2684 | { |
---|
| 2685 | return; |
---|
| 2686 | } |
---|
| 2687 | xWriteFlag( uiSymbol ? 1 : 0 ); |
---|
| 2688 | if ( uiSymbol == 0 ) |
---|
| 2689 | { |
---|
| 2690 | return; |
---|
| 2691 | } |
---|
| 2692 | |
---|
| 2693 | Bool bCodeLast = ( uiMaxSymbol > uiSymbol ); |
---|
| 2694 | |
---|
| 2695 | while( --uiSymbol ) |
---|
| 2696 | { |
---|
| 2697 | xWriteFlag( 1 ); |
---|
| 2698 | } |
---|
| 2699 | if( bCodeLast ) |
---|
| 2700 | { |
---|
| 2701 | xWriteFlag( 0 ); |
---|
| 2702 | } |
---|
| 2703 | return; |
---|
| 2704 | } |
---|
| 2705 | |
---|
| 2706 | Void TEncCavlc::xWriteExGolombLevel( UInt uiSymbol ) |
---|
| 2707 | { |
---|
| 2708 | if( uiSymbol ) |
---|
| 2709 | { |
---|
| 2710 | xWriteFlag( 1 ); |
---|
| 2711 | UInt uiCount = 0; |
---|
| 2712 | Bool bNoExGo = (uiSymbol < 13); |
---|
| 2713 | |
---|
| 2714 | while( --uiSymbol && ++uiCount < 13 ) |
---|
| 2715 | { |
---|
| 2716 | xWriteFlag( 1 ); |
---|
| 2717 | } |
---|
| 2718 | if( bNoExGo ) |
---|
| 2719 | { |
---|
| 2720 | xWriteFlag( 0 ); |
---|
| 2721 | } |
---|
| 2722 | else |
---|
| 2723 | { |
---|
| 2724 | xWriteEpExGolomb( uiSymbol, 0 ); |
---|
| 2725 | } |
---|
| 2726 | } |
---|
| 2727 | else |
---|
| 2728 | { |
---|
| 2729 | xWriteFlag( 0 ); |
---|
| 2730 | } |
---|
| 2731 | return; |
---|
| 2732 | } |
---|
| 2733 | |
---|
| 2734 | Void TEncCavlc::xWriteEpExGolomb( UInt uiSymbol, UInt uiCount ) |
---|
| 2735 | { |
---|
| 2736 | while( uiSymbol >= (UInt)(1<<uiCount) ) |
---|
| 2737 | { |
---|
| 2738 | xWriteFlag( 1 ); |
---|
| 2739 | uiSymbol -= 1<<uiCount; |
---|
| 2740 | uiCount ++; |
---|
| 2741 | } |
---|
| 2742 | xWriteFlag( 0 ); |
---|
| 2743 | while( uiCount-- ) |
---|
| 2744 | { |
---|
| 2745 | xWriteFlag( (uiSymbol>>uiCount) & 1 ); |
---|
| 2746 | } |
---|
| 2747 | return; |
---|
| 2748 | } |
---|
| 2749 | |
---|
| 2750 | #if !QC_MOD_LCEC_RDOQ |
---|
| 2751 | UInt TEncCavlc::xLeadingZeros(UInt uiCode) |
---|
| 2752 | { |
---|
| 2753 | UInt uiCount = 0; |
---|
| 2754 | Int iDone = 0; |
---|
| 2755 | |
---|
| 2756 | if (uiCode) |
---|
| 2757 | { |
---|
| 2758 | while (!iDone) |
---|
| 2759 | { |
---|
| 2760 | uiCode >>= 1; |
---|
| 2761 | if (!uiCode) iDone = 1; |
---|
| 2762 | else uiCount++; |
---|
| 2763 | } |
---|
| 2764 | } |
---|
| 2765 | return uiCount; |
---|
| 2766 | } |
---|
| 2767 | #endif |
---|
| 2768 | |
---|
| 2769 | Void TEncCavlc::xWriteVlc(UInt uiTableNumber, UInt uiCodeNumber) |
---|
| 2770 | { |
---|
| 2771 | #if CAVLC_COEF_LRG_BLK |
---|
| 2772 | assert( uiTableNumber<=13 ); |
---|
| 2773 | #else |
---|
| 2774 | assert( uiTableNumber<=11 ); |
---|
| 2775 | #endif |
---|
| 2776 | |
---|
| 2777 | UInt uiTemp; |
---|
| 2778 | UInt uiLength = 0; |
---|
| 2779 | UInt uiCode = 0; |
---|
| 2780 | |
---|
| 2781 | if ( uiTableNumber < 5 ) |
---|
| 2782 | { |
---|
| 2783 | if ((Int)uiCodeNumber < (6 * (1 << uiTableNumber))) |
---|
| 2784 | { |
---|
| 2785 | uiTemp = 1<<uiTableNumber; |
---|
| 2786 | uiCode = uiTemp+uiCodeNumber%uiTemp; |
---|
| 2787 | uiLength = 1+uiTableNumber+(uiCodeNumber>>uiTableNumber); |
---|
| 2788 | } |
---|
| 2789 | else |
---|
| 2790 | { |
---|
| 2791 | uiCode = uiCodeNumber - (6 * (1 << uiTableNumber)) + (1 << uiTableNumber); |
---|
| 2792 | uiLength = (6-uiTableNumber)+1+2*xLeadingZeros(uiCode); |
---|
| 2793 | } |
---|
| 2794 | } |
---|
| 2795 | else if (uiTableNumber < 8) |
---|
| 2796 | { |
---|
| 2797 | uiTemp = 1<<(uiTableNumber-4); |
---|
| 2798 | uiCode = uiTemp+uiCodeNumber%uiTemp; |
---|
| 2799 | uiLength = 1+(uiTableNumber-4)+(uiCodeNumber>>(uiTableNumber-4)); |
---|
| 2800 | } |
---|
| 2801 | else if (uiTableNumber == 8) |
---|
| 2802 | { |
---|
| 2803 | assert( uiCodeNumber<=2 ); |
---|
| 2804 | if (uiCodeNumber == 0) |
---|
| 2805 | { |
---|
| 2806 | uiCode = 1; |
---|
| 2807 | uiLength = 1; |
---|
| 2808 | } |
---|
| 2809 | else if (uiCodeNumber == 1) |
---|
| 2810 | { |
---|
| 2811 | uiCode = 1; |
---|
| 2812 | uiLength = 2; |
---|
| 2813 | } |
---|
| 2814 | else if (uiCodeNumber == 2) |
---|
| 2815 | { |
---|
| 2816 | uiCode = 0; |
---|
| 2817 | uiLength = 2; |
---|
| 2818 | } |
---|
| 2819 | } |
---|
| 2820 | else if (uiTableNumber == 9) |
---|
| 2821 | { |
---|
| 2822 | if (uiCodeNumber == 0) |
---|
| 2823 | { |
---|
| 2824 | uiCode = 4; |
---|
| 2825 | uiLength = 3; |
---|
| 2826 | } |
---|
| 2827 | else if (uiCodeNumber == 1) |
---|
| 2828 | { |
---|
| 2829 | uiCode = 10; |
---|
| 2830 | uiLength = 4; |
---|
| 2831 | } |
---|
| 2832 | else if (uiCodeNumber == 2) |
---|
| 2833 | { |
---|
| 2834 | uiCode = 11; |
---|
| 2835 | uiLength = 4; |
---|
| 2836 | } |
---|
| 2837 | else if (uiCodeNumber < 11) |
---|
| 2838 | { |
---|
| 2839 | uiCode = uiCodeNumber+21; |
---|
| 2840 | uiLength = 5; |
---|
| 2841 | } |
---|
| 2842 | else |
---|
| 2843 | { |
---|
| 2844 | uiTemp = 1<<4; |
---|
| 2845 | uiCode = uiTemp+(uiCodeNumber+5)%uiTemp; |
---|
| 2846 | uiLength = 5+((uiCodeNumber+5)>>4); |
---|
| 2847 | } |
---|
| 2848 | } |
---|
| 2849 | else if (uiTableNumber == 10) |
---|
| 2850 | { |
---|
| 2851 | uiCode = uiCodeNumber+1; |
---|
| 2852 | uiLength = 1+2*xLeadingZeros(uiCode); |
---|
| 2853 | } |
---|
| 2854 | else if (uiTableNumber == 11) |
---|
| 2855 | { |
---|
| 2856 | if (uiCodeNumber == 0) |
---|
| 2857 | { |
---|
| 2858 | uiCode = 0; |
---|
| 2859 | uiLength = 3; |
---|
| 2860 | } |
---|
| 2861 | else |
---|
| 2862 | { |
---|
| 2863 | uiCode = uiCodeNumber + 1; |
---|
| 2864 | uiLength = 4; |
---|
| 2865 | } |
---|
| 2866 | } |
---|
| 2867 | #if CAVLC_COEF_LRG_BLK |
---|
| 2868 | else if (uiTableNumber == 12) |
---|
| 2869 | { |
---|
| 2870 | uiCode = 64+(uiCodeNumber&0x3f); |
---|
| 2871 | uiLength = 7+(uiCodeNumber>>6); |
---|
| 2872 | if (uiLength>32) |
---|
| 2873 | { |
---|
| 2874 | xWriteCode(0, uiLength-32); |
---|
| 2875 | uiLength = 32; |
---|
| 2876 | } |
---|
| 2877 | } |
---|
| 2878 | else if (uiTableNumber == 13) |
---|
| 2879 | { |
---|
| 2880 | uiTemp = 1<<4; |
---|
| 2881 | uiCode = uiTemp+(uiCodeNumber&0x0f); |
---|
| 2882 | uiLength = 5+(uiCodeNumber>>4); |
---|
| 2883 | } |
---|
| 2884 | #endif |
---|
| 2885 | |
---|
| 2886 | xWriteCode(uiCode, uiLength); |
---|
| 2887 | } |
---|
| 2888 | |
---|
| 2889 | #if CAVLC_COEF_LRG_BLK |
---|
| 2890 | /** Function for encoding a block of transform coeffcients in CAVLC. |
---|
| 2891 | * \param scoeff pointer to transform coefficient buffer |
---|
| 2892 | * \param n block type information, e.g. luma, chroma, intra, inter, etc. |
---|
| 2893 | * \param blSize block size |
---|
| 2894 | * \returns |
---|
| 2895 | * This function performs encoding for a block of transform coefficient in CAVLC. |
---|
| 2896 | */ |
---|
| 2897 | Void TEncCavlc::xCodeCoeff( TCoeff* scoeff, Int n, Int blSize) |
---|
| 2898 | { |
---|
| 2899 | static const int switch_thr[10] = {49,49,0,49,49,0,49,49,49,49}; |
---|
| 2900 | int i, noCoeff = blSize*blSize; |
---|
| 2901 | unsigned int cn; |
---|
| 2902 | int level,vlc,sign,done,last_pos,start; |
---|
| 2903 | int run_done,maxrun,run,lev; |
---|
| 2904 | int tmprun,vlc_adaptive=0; |
---|
| 2905 | static const int atable[5] = {4,6,14,28,0xfffffff}; |
---|
| 2906 | int sum_big_coef = 0; |
---|
| 2907 | Int tr1; |
---|
| 2908 | |
---|
| 2909 | /* Do the last coefficient first */ |
---|
| 2910 | i = 0; |
---|
| 2911 | done = 0; |
---|
| 2912 | while (!done && i < noCoeff) |
---|
| 2913 | { |
---|
| 2914 | if (scoeff[i]) |
---|
| 2915 | { |
---|
| 2916 | done = 1; |
---|
| 2917 | } |
---|
| 2918 | else |
---|
| 2919 | { |
---|
| 2920 | i++; |
---|
| 2921 | } |
---|
| 2922 | } |
---|
| 2923 | if (i == noCoeff) |
---|
| 2924 | { |
---|
| 2925 | return; |
---|
| 2926 | } |
---|
| 2927 | |
---|
| 2928 | last_pos = noCoeff-i-1; |
---|
| 2929 | level = abs(scoeff[i]); |
---|
| 2930 | lev = (level == 1) ? 0 : 1; |
---|
| 2931 | |
---|
| 2932 | if(blSize >= 8) |
---|
| 2933 | { |
---|
| 2934 | cn = xLastLevelInd(lev, last_pos, blSize); |
---|
| 2935 | // ADAPT_VLC_NUM |
---|
| 2936 | vlc = g_auiLastPosVlcNum[n][Min(16,m_uiLastPosVlcIndex[n])]; |
---|
| 2937 | xWriteVlc( vlc, cn ); |
---|
| 2938 | |
---|
| 2939 | if ( m_bAdaptFlag ){ |
---|
| 2940 | // ADAPT_VLC_NUM |
---|
| 2941 | cn = (blSize==8)? cn:(cn>>2); |
---|
| 2942 | m_uiLastPosVlcIndex[n] += cn == m_uiLastPosVlcIndex[n] ? 0 : (cn < m_uiLastPosVlcIndex[n] ? -1 : 1); |
---|
| 2943 | } |
---|
| 2944 | } |
---|
| 2945 | else |
---|
| 2946 | { |
---|
| 2947 | int x,y,cx,cy; |
---|
| 2948 | int nTab = max(0,n-2); |
---|
| 2949 | |
---|
| 2950 | x = (lev<<4) + last_pos; |
---|
| 2951 | cx = m_uiLPTableE4[nTab][x]; |
---|
| 2952 | xWriteVlc( 2, cx ); |
---|
| 2953 | |
---|
| 2954 | if ( m_bAdaptFlag ) |
---|
| 2955 | { |
---|
| 2956 | cy = Max( 0, cx-1 ); |
---|
| 2957 | y = m_uiLPTableD4[nTab][cy]; |
---|
| 2958 | m_uiLPTableD4[nTab][cy] = x; |
---|
| 2959 | m_uiLPTableD4[nTab][cx] = y; |
---|
| 2960 | m_uiLPTableE4[nTab][x] = cy; |
---|
| 2961 | m_uiLPTableE4[nTab][y] = cx; |
---|
| 2962 | } |
---|
| 2963 | } |
---|
| 2964 | |
---|
| 2965 | sign = (scoeff[i++] < 0) ? 1 : 0; |
---|
| 2966 | if (level > 1) |
---|
| 2967 | { |
---|
| 2968 | xWriteVlc( 0, ((level-2)<<1)+sign ); |
---|
| 2969 | tr1=0; |
---|
| 2970 | } |
---|
| 2971 | else |
---|
| 2972 | { |
---|
| 2973 | xWriteFlag( sign ); |
---|
| 2974 | tr1=1; |
---|
| 2975 | } |
---|
| 2976 | |
---|
| 2977 | if (i < noCoeff) |
---|
| 2978 | { |
---|
| 2979 | /* Go into run mode */ |
---|
| 2980 | run_done = 0; |
---|
| 2981 | const UInt *vlcTable = (n==2||n==5)? ((blSize<=8)? g_auiVlcTable8x8Intra:g_auiVlcTable16x16Intra): |
---|
| 2982 | ((blSize<=8)? g_auiVlcTable8x8Inter:g_auiVlcTable16x16Inter); |
---|
| 2983 | const UInt **pLumaRunTr1 = (blSize==4)? g_pLumaRunTr14x4:g_pLumaRunTr18x8; |
---|
| 2984 | while ( !run_done ) |
---|
| 2985 | { |
---|
| 2986 | maxrun = noCoeff-i-1; |
---|
| 2987 | tmprun = Min(maxrun, 28); |
---|
| 2988 | |
---|
| 2989 | vlc = vlcTable[tmprun]; |
---|
| 2990 | run = 0; |
---|
| 2991 | done = 0; |
---|
| 2992 | while (!done) |
---|
| 2993 | { |
---|
| 2994 | if (!scoeff[i]) |
---|
| 2995 | { |
---|
| 2996 | run++; |
---|
| 2997 | } |
---|
| 2998 | else |
---|
| 2999 | { |
---|
| 3000 | level = abs(scoeff[i]); |
---|
| 3001 | lev = (level == 1) ? 0 : 1; |
---|
| 3002 | |
---|
| 3003 | if(n == 2 || n == 5) |
---|
| 3004 | { |
---|
| 3005 | cn = xRunLevelInd(lev, run, maxrun, pLumaRunTr1[tr1][tmprun]); |
---|
| 3006 | } |
---|
| 3007 | else |
---|
| 3008 | { |
---|
| 3009 | cn = xRunLevelIndInter(lev, run, maxrun); |
---|
| 3010 | } |
---|
| 3011 | |
---|
| 3012 | xWriteVlc( vlc, cn ); |
---|
| 3013 | |
---|
| 3014 | if (tr1==0 || level>=2) |
---|
| 3015 | { |
---|
| 3016 | tr1=0; |
---|
| 3017 | } |
---|
| 3018 | else if (tr1 < MAX_TR1) |
---|
| 3019 | { |
---|
| 3020 | tr1++; |
---|
| 3021 | } |
---|
| 3022 | |
---|
| 3023 | sign = (scoeff[i] < 0) ? 1 : 0; |
---|
| 3024 | if (level > 1) |
---|
| 3025 | { |
---|
| 3026 | xWriteVlc( 0, ((level-2)<<1)+sign ); |
---|
| 3027 | |
---|
| 3028 | sum_big_coef += level; |
---|
| 3029 | if (blSize == 4 || i > switch_thr[n] || sum_big_coef > 2) |
---|
| 3030 | { |
---|
| 3031 | run_done = 1; |
---|
| 3032 | } |
---|
| 3033 | } |
---|
| 3034 | else |
---|
| 3035 | { |
---|
| 3036 | xWriteFlag( sign ); |
---|
| 3037 | } |
---|
| 3038 | run = 0; |
---|
| 3039 | done = 1; |
---|
| 3040 | } |
---|
| 3041 | if (i == (noCoeff-1)) |
---|
| 3042 | { |
---|
| 3043 | done = 1; |
---|
| 3044 | run_done = 1; |
---|
| 3045 | if (run) |
---|
| 3046 | { |
---|
| 3047 | if(n == 2 || n == 5) |
---|
| 3048 | { |
---|
| 3049 | cn = xRunLevelInd(0, run, maxrun, pLumaRunTr1[tr1][tmprun]); |
---|
| 3050 | } |
---|
| 3051 | else |
---|
| 3052 | { |
---|
| 3053 | cn = xRunLevelIndInter(0, run, maxrun); |
---|
| 3054 | } |
---|
| 3055 | |
---|
| 3056 | xWriteVlc( vlc, cn ); |
---|
| 3057 | } |
---|
| 3058 | } |
---|
| 3059 | i++; |
---|
| 3060 | } |
---|
| 3061 | } |
---|
| 3062 | } |
---|
| 3063 | |
---|
| 3064 | /* Code the rest in level mode */ |
---|
| 3065 | start = i; |
---|
| 3066 | for ( i=start; i<noCoeff; i++ ) |
---|
| 3067 | { |
---|
| 3068 | int tmp = abs(scoeff[i]); |
---|
| 3069 | |
---|
| 3070 | xWriteVlc( vlc_adaptive, tmp ); |
---|
| 3071 | if (scoeff[i]) |
---|
| 3072 | { |
---|
| 3073 | xWriteFlag( (scoeff[i] < 0) ? 1 : 0 ); |
---|
| 3074 | if (tmp > atable[vlc_adaptive]) |
---|
| 3075 | { |
---|
| 3076 | vlc_adaptive++; |
---|
| 3077 | } |
---|
| 3078 | } |
---|
| 3079 | } |
---|
| 3080 | |
---|
| 3081 | return; |
---|
| 3082 | } |
---|
| 3083 | |
---|
| 3084 | #else |
---|
| 3085 | Void TEncCavlc::xCodeCoeff4x4(TCoeff* scoeff, Int n ) |
---|
| 3086 | { |
---|
| 3087 | Int i; |
---|
| 3088 | UInt cn; |
---|
| 3089 | Int level,vlc,sign,done,last_pos,start; |
---|
| 3090 | Int run_done,maxrun,run,lev; |
---|
| 3091 | #if QC_MOD_LCEC |
---|
| 3092 | Int vlc_adaptive=0; |
---|
| 3093 | #else |
---|
| 3094 | Int tmprun, vlc_adaptive=0; |
---|
| 3095 | #endif |
---|
| 3096 | static const int atable[5] = {4,6,14,28,0xfffffff}; |
---|
| 3097 | Int tmp; |
---|
| 3098 | #if QC_MOD_LCEC |
---|
| 3099 | Int nTab = max(0,n-2); |
---|
| 3100 | Int tr1; |
---|
| 3101 | #endif |
---|
| 3102 | |
---|
| 3103 | /* Do the last coefficient first */ |
---|
| 3104 | i = 0; |
---|
| 3105 | done = 0; |
---|
| 3106 | |
---|
| 3107 | while (!done && i < 16) |
---|
| 3108 | { |
---|
| 3109 | if (scoeff[i]) |
---|
| 3110 | { |
---|
| 3111 | done = 1; |
---|
| 3112 | } |
---|
| 3113 | else |
---|
| 3114 | { |
---|
| 3115 | i++; |
---|
| 3116 | } |
---|
| 3117 | } |
---|
| 3118 | if (i == 16) |
---|
| 3119 | { |
---|
| 3120 | return; |
---|
| 3121 | } |
---|
| 3122 | |
---|
| 3123 | last_pos = 15-i; |
---|
| 3124 | level = abs(scoeff[i]); |
---|
| 3125 | lev = (level == 1) ? 0 : 1; |
---|
| 3126 | |
---|
| 3127 | #if QC_MOD_LCEC |
---|
| 3128 | if (level>1) |
---|
| 3129 | { |
---|
| 3130 | tr1=0; |
---|
| 3131 | } |
---|
| 3132 | else |
---|
| 3133 | { |
---|
| 3134 | tr1=1; |
---|
| 3135 | } |
---|
| 3136 | #endif |
---|
| 3137 | |
---|
| 3138 | { |
---|
| 3139 | int x,y,cx,cy,vlcNum; |
---|
| 3140 | int vlcTable[3] = {2,2,2}; |
---|
| 3141 | |
---|
| 3142 | x = 16*lev + last_pos; |
---|
| 3143 | |
---|
| 3144 | #if QC_MOD_LCEC |
---|
| 3145 | cx = m_uiLPTableE4[nTab][x]; |
---|
| 3146 | vlcNum = vlcTable[nTab]; |
---|
| 3147 | #else |
---|
| 3148 | cx = m_uiLPTableE4[n][x]; |
---|
| 3149 | vlcNum = vlcTable[n]; |
---|
| 3150 | #endif |
---|
| 3151 | |
---|
| 3152 | xWriteVlc( vlcNum, cx ); |
---|
| 3153 | |
---|
| 3154 | if ( m_bAdaptFlag ) |
---|
| 3155 | { |
---|
| 3156 | cy = Max( 0, cx-1 ); |
---|
| 3157 | #if QC_MOD_LCEC |
---|
| 3158 | y = m_uiLPTableD4[nTab][cy]; |
---|
| 3159 | m_uiLPTableD4[nTab][cy] = x; |
---|
| 3160 | m_uiLPTableD4[nTab][cx] = y; |
---|
| 3161 | m_uiLPTableE4[nTab][x] = cy; |
---|
| 3162 | m_uiLPTableE4[nTab][y] = cx; |
---|
| 3163 | #else |
---|
| 3164 | y = m_uiLPTableD4[n][cy]; |
---|
| 3165 | m_uiLPTableD4[n][cy] = x; |
---|
| 3166 | m_uiLPTableD4[n][cx] = y; |
---|
| 3167 | m_uiLPTableE4[n][x] = cy; |
---|
| 3168 | m_uiLPTableE4[n][y] = cx; |
---|
| 3169 | #endif |
---|
| 3170 | } |
---|
| 3171 | } |
---|
| 3172 | |
---|
| 3173 | sign = (scoeff[i] < 0) ? 1 : 0; |
---|
| 3174 | if (level > 1) |
---|
| 3175 | { |
---|
| 3176 | xWriteVlc( 0, 2*(level-2)+sign ); |
---|
| 3177 | } |
---|
| 3178 | else |
---|
| 3179 | { |
---|
| 3180 | xWriteFlag( sign ); |
---|
| 3181 | } |
---|
| 3182 | i++; |
---|
| 3183 | |
---|
| 3184 | if (i < 16) |
---|
| 3185 | { |
---|
| 3186 | /* Go into run mode */ |
---|
| 3187 | run_done = 0; |
---|
| 3188 | while (!run_done) |
---|
| 3189 | { |
---|
| 3190 | maxrun = 15-i; |
---|
| 3191 | #if QC_MOD_LCEC |
---|
| 3192 | if ( n == 2 ) |
---|
| 3193 | vlc = g_auiVlcTable8x8Intra[maxrun]; |
---|
| 3194 | else |
---|
| 3195 | vlc = g_auiVlcTable8x8Inter[maxrun]; |
---|
| 3196 | #else |
---|
| 3197 | tmprun = maxrun; |
---|
| 3198 | if (maxrun > 27) |
---|
| 3199 | { |
---|
| 3200 | vlc = 3; |
---|
| 3201 | tmprun = 28; |
---|
| 3202 | } |
---|
| 3203 | else |
---|
| 3204 | { |
---|
| 3205 | vlc = g_auiVlcTable8x8[maxrun]; |
---|
| 3206 | } |
---|
| 3207 | #endif |
---|
| 3208 | |
---|
| 3209 | run = 0; |
---|
| 3210 | done = 0; |
---|
| 3211 | while (!done) |
---|
| 3212 | { |
---|
| 3213 | if (!scoeff[i]) |
---|
| 3214 | { |
---|
| 3215 | run++; |
---|
| 3216 | } |
---|
| 3217 | else |
---|
| 3218 | { |
---|
| 3219 | level = abs(scoeff[i]); |
---|
| 3220 | lev = (level == 1) ? 0 : 1; |
---|
| 3221 | #if QC_MOD_LCEC |
---|
| 3222 | if ( n == 2 ){ |
---|
| 3223 | cn = xRunLevelInd(lev, run, maxrun, g_auiLumaRunTr14x4[tr1][maxrun]); |
---|
| 3224 | } |
---|
| 3225 | else{ |
---|
| 3226 | #if RUNLEVEL_TABLE_CUT |
---|
| 3227 | cn = xRunLevelIndInter(lev, run, maxrun); |
---|
| 3228 | #else |
---|
| 3229 | cn = g_auiLumaRun8x8[maxrun][lev][run]; |
---|
| 3230 | #endif |
---|
| 3231 | } |
---|
| 3232 | #else |
---|
| 3233 | if (maxrun > 27) |
---|
| 3234 | { |
---|
| 3235 | cn = g_auiLumaRun8x8[28][lev][run]; |
---|
| 3236 | } |
---|
| 3237 | else |
---|
| 3238 | { |
---|
| 3239 | cn = g_auiLumaRun8x8[maxrun][lev][run]; |
---|
| 3240 | } |
---|
| 3241 | #endif |
---|
| 3242 | xWriteVlc( vlc, cn ); |
---|
| 3243 | |
---|
| 3244 | #if QC_MOD_LCEC |
---|
| 3245 | if (tr1>0 && tr1 < MAX_TR1) |
---|
| 3246 | { |
---|
| 3247 | tr1++; |
---|
| 3248 | } |
---|
| 3249 | #endif |
---|
| 3250 | sign = (scoeff[i] < 0) ? 1 : 0; |
---|
| 3251 | if (level > 1) |
---|
| 3252 | { |
---|
| 3253 | xWriteVlc( 0, 2*(level-2)+sign ); |
---|
| 3254 | run_done = 1; |
---|
| 3255 | } |
---|
| 3256 | else |
---|
| 3257 | { |
---|
| 3258 | xWriteFlag( sign ); |
---|
| 3259 | } |
---|
| 3260 | |
---|
| 3261 | run = 0; |
---|
| 3262 | done = 1; |
---|
| 3263 | } |
---|
| 3264 | if (i == 15) |
---|
| 3265 | { |
---|
| 3266 | done = 1; |
---|
| 3267 | run_done = 1; |
---|
| 3268 | if (run) |
---|
| 3269 | { |
---|
| 3270 | #if QC_MOD_LCEC |
---|
| 3271 | if (n==2){ |
---|
| 3272 | cn=xRunLevelInd(0, run, maxrun, g_auiLumaRunTr14x4[tr1][maxrun]); |
---|
| 3273 | } |
---|
| 3274 | else{ |
---|
| 3275 | #if RUNLEVEL_TABLE_CUT |
---|
| 3276 | cn = xRunLevelIndInter(0, run, maxrun); |
---|
| 3277 | #else |
---|
| 3278 | cn = g_auiLumaRun8x8[maxrun][0][run]; |
---|
| 3279 | #endif |
---|
| 3280 | } |
---|
| 3281 | #else |
---|
| 3282 | if (maxrun > 27) |
---|
| 3283 | { |
---|
| 3284 | cn = g_auiLumaRun8x8[28][0][run]; |
---|
| 3285 | } |
---|
| 3286 | else |
---|
| 3287 | { |
---|
| 3288 | cn = g_auiLumaRun8x8[maxrun][0][run]; |
---|
| 3289 | } |
---|
| 3290 | #endif |
---|
| 3291 | xWriteVlc( vlc, cn ); |
---|
| 3292 | } |
---|
| 3293 | } |
---|
| 3294 | i++; |
---|
| 3295 | } |
---|
| 3296 | } |
---|
| 3297 | } |
---|
| 3298 | |
---|
| 3299 | /* Code the rest in level mode */ |
---|
| 3300 | start = i; |
---|
| 3301 | for ( i=start; i<16; i++ ) |
---|
| 3302 | { |
---|
| 3303 | tmp = abs(scoeff[i]); |
---|
| 3304 | xWriteVlc( vlc_adaptive, tmp ); |
---|
| 3305 | if (scoeff[i]) |
---|
| 3306 | { |
---|
| 3307 | sign = (scoeff[i] < 0) ? 1 : 0; |
---|
| 3308 | xWriteFlag( sign ); |
---|
| 3309 | } |
---|
| 3310 | if ( tmp > atable[vlc_adaptive] ) |
---|
| 3311 | { |
---|
| 3312 | vlc_adaptive++; |
---|
| 3313 | } |
---|
| 3314 | } |
---|
| 3315 | return; |
---|
| 3316 | } |
---|
| 3317 | |
---|
| 3318 | Void TEncCavlc::xCodeCoeff8x8( TCoeff* scoeff, Int n ) |
---|
| 3319 | { |
---|
| 3320 | int i; |
---|
| 3321 | unsigned int cn; |
---|
| 3322 | int level,vlc,sign,done,last_pos,start; |
---|
| 3323 | int run_done,maxrun,run,lev; |
---|
| 3324 | #if QC_MOD_LCEC |
---|
| 3325 | int vlc_adaptive=0; |
---|
| 3326 | #else |
---|
| 3327 | int tmprun,vlc_adaptive=0; |
---|
| 3328 | #endif |
---|
| 3329 | static const int atable[5] = {4,6,14,28,0xfffffff}; |
---|
| 3330 | int tmp; |
---|
| 3331 | #if QC_MOD_LCEC |
---|
| 3332 | Int tr1; |
---|
| 3333 | #endif |
---|
| 3334 | |
---|
| 3335 | static const int switch_thr[10] = {49,49,0,49,49,0,49,49,49,49}; |
---|
| 3336 | int sum_big_coef = 0; |
---|
| 3337 | |
---|
| 3338 | |
---|
| 3339 | /* Do the last coefficient first */ |
---|
| 3340 | i = 0; |
---|
| 3341 | done = 0; |
---|
| 3342 | while (!done && i < 64) |
---|
| 3343 | { |
---|
| 3344 | if (scoeff[i]) |
---|
| 3345 | { |
---|
| 3346 | done = 1; |
---|
| 3347 | } |
---|
| 3348 | else |
---|
| 3349 | { |
---|
| 3350 | i++; |
---|
| 3351 | } |
---|
| 3352 | } |
---|
| 3353 | if (i == 64) |
---|
| 3354 | { |
---|
| 3355 | return; |
---|
| 3356 | } |
---|
| 3357 | |
---|
| 3358 | last_pos = 63-i; |
---|
| 3359 | level = abs(scoeff[i]); |
---|
| 3360 | lev = (level == 1) ? 0 : 1; |
---|
| 3361 | |
---|
| 3362 | { |
---|
| 3363 | int x,y,cx,cy,vlcNum; |
---|
| 3364 | x = 64*lev + last_pos; |
---|
| 3365 | |
---|
| 3366 | cx = m_uiLPTableE8[n][x]; |
---|
| 3367 | // ADAPT_VLC_NUM |
---|
| 3368 | vlcNum = g_auiLastPosVlcNum[n][Min(16,m_uiLastPosVlcIndex[n])]; |
---|
| 3369 | xWriteVlc( vlcNum, cx ); |
---|
| 3370 | |
---|
| 3371 | if ( m_bAdaptFlag ) |
---|
| 3372 | { |
---|
| 3373 | // ADAPT_VLC_NUM |
---|
| 3374 | m_uiLastPosVlcIndex[n] += cx == m_uiLastPosVlcIndex[n] ? 0 : (cx < m_uiLastPosVlcIndex[n] ? -1 : 1); |
---|
| 3375 | cy = Max(0,cx-1); |
---|
| 3376 | y = m_uiLPTableD8[n][cy]; |
---|
| 3377 | m_uiLPTableD8[n][cy] = x; |
---|
| 3378 | m_uiLPTableD8[n][cx] = y; |
---|
| 3379 | m_uiLPTableE8[n][x] = cy; |
---|
| 3380 | m_uiLPTableE8[n][y] = cx; |
---|
| 3381 | } |
---|
| 3382 | } |
---|
| 3383 | |
---|
| 3384 | sign = (scoeff[i] < 0) ? 1 : 0; |
---|
| 3385 | if (level > 1) |
---|
| 3386 | { |
---|
| 3387 | xWriteVlc( 0, 2*(level-2)+sign ); |
---|
| 3388 | } |
---|
| 3389 | else |
---|
| 3390 | { |
---|
| 3391 | xWriteFlag( sign ); |
---|
| 3392 | } |
---|
| 3393 | i++; |
---|
| 3394 | #if QC_MOD_LCEC |
---|
| 3395 | if (level>1){ |
---|
| 3396 | tr1=0; |
---|
| 3397 | } |
---|
| 3398 | else |
---|
| 3399 | { |
---|
| 3400 | tr1=1; |
---|
| 3401 | } |
---|
| 3402 | #endif |
---|
| 3403 | |
---|
| 3404 | if (i < 64) |
---|
| 3405 | { |
---|
| 3406 | /* Go into run mode */ |
---|
| 3407 | run_done = 0; |
---|
| 3408 | while ( !run_done ) |
---|
| 3409 | { |
---|
| 3410 | maxrun = 63-i; |
---|
| 3411 | #if QC_MOD_LCEC |
---|
| 3412 | if(n == 2 || n == 5) |
---|
| 3413 | vlc = g_auiVlcTable8x8Intra[Min(maxrun,28)]; |
---|
| 3414 | else |
---|
| 3415 | vlc = g_auiVlcTable8x8Inter[Min(maxrun,28)]; |
---|
| 3416 | #else |
---|
| 3417 | tmprun = maxrun; |
---|
| 3418 | if (maxrun > 27) |
---|
| 3419 | { |
---|
| 3420 | vlc = 3; |
---|
| 3421 | tmprun = 28; |
---|
| 3422 | } |
---|
| 3423 | else |
---|
| 3424 | { |
---|
| 3425 | vlc = g_auiVlcTable8x8[maxrun]; |
---|
| 3426 | } |
---|
| 3427 | #endif |
---|
| 3428 | |
---|
| 3429 | run = 0; |
---|
| 3430 | done = 0; |
---|
| 3431 | while (!done) |
---|
| 3432 | { |
---|
| 3433 | if (!scoeff[i]) |
---|
| 3434 | { |
---|
| 3435 | run++; |
---|
| 3436 | } |
---|
| 3437 | else |
---|
| 3438 | { |
---|
| 3439 | level = abs(scoeff[i]); |
---|
| 3440 | lev = (level == 1) ? 0 : 1; |
---|
| 3441 | #if QC_MOD_LCEC |
---|
| 3442 | if(n == 2 || n == 5) |
---|
| 3443 | cn = xRunLevelInd(lev, run, maxrun, g_auiLumaRunTr18x8[tr1][min(maxrun,28)]); |
---|
| 3444 | else |
---|
| 3445 | #if RUNLEVEL_TABLE_CUT |
---|
| 3446 | cn = xRunLevelIndInter(lev, run, maxrun); |
---|
| 3447 | #else |
---|
| 3448 | cn = g_auiLumaRun8x8[min(maxrun,28)][lev][run]; |
---|
| 3449 | #endif |
---|
| 3450 | #else |
---|
| 3451 | if (maxrun > 27) |
---|
| 3452 | { |
---|
| 3453 | cn = g_auiLumaRun8x8[28][lev][run]; |
---|
| 3454 | } |
---|
| 3455 | else |
---|
| 3456 | { |
---|
| 3457 | cn = g_auiLumaRun8x8[maxrun][lev][run]; |
---|
| 3458 | } |
---|
| 3459 | #endif |
---|
| 3460 | xWriteVlc( vlc, cn ); |
---|
| 3461 | |
---|
| 3462 | #if QC_MOD_LCEC |
---|
| 3463 | if (tr1==0 || level >=2) |
---|
| 3464 | { |
---|
| 3465 | tr1=0; |
---|
| 3466 | } |
---|
| 3467 | else if (tr1 < MAX_TR1) |
---|
| 3468 | { |
---|
| 3469 | tr1++; |
---|
| 3470 | } |
---|
| 3471 | #endif |
---|
| 3472 | sign = (scoeff[i] < 0) ? 1 : 0; |
---|
| 3473 | if (level > 1) |
---|
| 3474 | { |
---|
| 3475 | xWriteVlc( 0, 2*(level-2)+sign ); |
---|
| 3476 | |
---|
| 3477 | sum_big_coef += level; |
---|
| 3478 | if (i > switch_thr[n] || sum_big_coef > 2) |
---|
| 3479 | { |
---|
| 3480 | run_done = 1; |
---|
| 3481 | } |
---|
| 3482 | } |
---|
| 3483 | else |
---|
| 3484 | { |
---|
| 3485 | xWriteFlag( sign ); |
---|
| 3486 | } |
---|
| 3487 | run = 0; |
---|
| 3488 | done = 1; |
---|
| 3489 | } |
---|
| 3490 | if (i == 63) |
---|
| 3491 | { |
---|
| 3492 | done = 1; |
---|
| 3493 | run_done = 1; |
---|
| 3494 | if (run) |
---|
| 3495 | { |
---|
| 3496 | #if QC_MOD_LCEC |
---|
| 3497 | if(n == 2 || n == 5) |
---|
| 3498 | cn=xRunLevelInd(0, run, maxrun, g_auiLumaRunTr18x8[tr1][min(maxrun,28)]); |
---|
| 3499 | else |
---|
| 3500 | #if RUNLEVEL_TABLE_CUT |
---|
| 3501 | cn = xRunLevelIndInter(0, run, maxrun); |
---|
| 3502 | #else |
---|
| 3503 | cn = g_auiLumaRun8x8[min(maxrun,28)][0][run]; |
---|
| 3504 | #endif |
---|
| 3505 | #else |
---|
| 3506 | if (maxrun > 27) |
---|
| 3507 | { |
---|
| 3508 | cn = g_auiLumaRun8x8[28][0][run]; |
---|
| 3509 | } |
---|
| 3510 | else |
---|
| 3511 | { |
---|
| 3512 | cn = g_auiLumaRun8x8[maxrun][0][run]; |
---|
| 3513 | } |
---|
| 3514 | #endif |
---|
| 3515 | xWriteVlc( vlc, cn ); |
---|
| 3516 | } |
---|
| 3517 | } |
---|
| 3518 | i++; |
---|
| 3519 | } |
---|
| 3520 | } |
---|
| 3521 | } |
---|
| 3522 | |
---|
| 3523 | /* Code the rest in level mode */ |
---|
| 3524 | start = i; |
---|
| 3525 | for ( i=start; i<64; i++ ) |
---|
| 3526 | { |
---|
| 3527 | tmp = abs(scoeff[i]); |
---|
| 3528 | xWriteVlc( vlc_adaptive, tmp ); |
---|
| 3529 | if (scoeff[i]) |
---|
| 3530 | { |
---|
| 3531 | sign = (scoeff[i] < 0) ? 1 : 0; |
---|
| 3532 | xWriteFlag( sign ); |
---|
| 3533 | } |
---|
| 3534 | if (tmp>atable[vlc_adaptive]) |
---|
| 3535 | { |
---|
| 3536 | vlc_adaptive++; |
---|
| 3537 | } |
---|
| 3538 | } |
---|
| 3539 | |
---|
| 3540 | return; |
---|
| 3541 | } |
---|
| 3542 | #endif |
---|
| 3543 | |
---|
| 3544 | #ifdef WEIGHT_PRED |
---|
| 3545 | Void TEncCavlc::codeWeightPredTable( TComSlice* pcSlice ) |
---|
| 3546 | { |
---|
| 3547 | wpScalingParam *wp; |
---|
| 3548 | Bool bChroma = true; // color always present in HEVC ? |
---|
| 3549 | Int nbRef = (pcSlice->getSliceType() == B_SLICE ) ? (2) : (1); |
---|
| 3550 | Bool denomCoded = false; |
---|
| 3551 | |
---|
| 3552 | for ( Int numRef=0 ; numRef<nbRef ; numRef++ ) { |
---|
| 3553 | RefPicList eRefPicList = ( numRef ? REF_PIC_LIST_1 : REF_PIC_LIST_0 ); |
---|
| 3554 | for ( Int iRefIdx=0 ; iRefIdx<pcSlice->getNumRefIdx(eRefPicList) ; iRefIdx++ ) { |
---|
| 3555 | pcSlice->getWpScaling(eRefPicList, iRefIdx, wp); |
---|
| 3556 | if ( !denomCoded ) { |
---|
| 3557 | // code luma_log2_weight_denom : |
---|
| 3558 | xWriteUvlc( wp[0].uiLog2WeightDenom ); // ue(v): luma_log2_weight_denom |
---|
| 3559 | if( bChroma ) |
---|
| 3560 | xWriteUvlc( wp[1].uiLog2WeightDenom ); // ue(v): chroma_log2_weight_denom |
---|
| 3561 | denomCoded = true; |
---|
| 3562 | } |
---|
| 3563 | |
---|
| 3564 | xWriteFlag( wp[0].bPresentFlag ); // u(1): luma_weight_l0_flag |
---|
| 3565 | if ( wp[0].bPresentFlag ) { |
---|
| 3566 | xWriteSvlc( wp[0].iWeight ); // se(v): luma_weight_l0[i] |
---|
| 3567 | xWriteSvlc( wp[0].iOffset ); // se(v): luma_offset_l0[i] |
---|
| 3568 | } |
---|
| 3569 | if ( bChroma ) { |
---|
| 3570 | xWriteFlag( wp[1].bPresentFlag ); // u(1): chroma_weight_l0_flag |
---|
| 3571 | if ( wp[1].bPresentFlag ) { |
---|
| 3572 | for ( Int j=1 ; j<3 ; j++ ) { |
---|
| 3573 | xWriteSvlc( wp[j].iWeight ); // se(v): chroma_weight_l0[i][j] |
---|
| 3574 | xWriteSvlc( wp[j].iOffset ); // se(v): chroma_offset_l0[i][j] |
---|
| 3575 | } |
---|
| 3576 | } |
---|
| 3577 | } |
---|
| 3578 | } |
---|
| 3579 | } |
---|
| 3580 | |
---|
| 3581 | } |
---|
| 3582 | #endif |
---|