[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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[1313] | 4 | * granted under this license. |
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[5] | 5 | * |
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[1313] | 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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[5] | 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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[56] | 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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[5] | 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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| 33 | |
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[2] | 34 | /** \file TDecTop.cpp |
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| 35 | \brief decoder class |
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| 36 | */ |
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[56] | 37 | #include "NALread.h" |
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[2] | 38 | #include "TDecTop.h" |
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[1313] | 39 | #if NH_MV |
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| 40 | ParameterSetManager TDecTop::m_parameterSetManager; |
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| 41 | #endif |
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[2] | 42 | |
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[56] | 43 | //! \ingroup TLibDecoder |
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| 44 | //! \{ |
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[2] | 45 | |
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[1313] | 46 | #if NH_3D |
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[2] | 47 | CamParsCollector::CamParsCollector() |
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| 48 | : m_bInitialized( false ) |
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| 49 | { |
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[608] | 50 | m_aaiCodedOffset = new Int* [ MAX_NUM_LAYERS ]; |
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| 51 | m_aaiCodedScale = new Int* [ MAX_NUM_LAYERS ]; |
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| 52 | for( UInt uiId = 0; uiId < MAX_NUM_LAYERS; uiId++ ) |
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[2] | 53 | { |
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[608] | 54 | m_aaiCodedOffset [ uiId ] = new Int [ MAX_NUM_LAYERS ]; |
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| 55 | m_aaiCodedScale [ uiId ] = new Int [ MAX_NUM_LAYERS ]; |
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[2] | 56 | } |
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[296] | 57 | |
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[608] | 58 | xCreateLUTs( (UInt)MAX_NUM_LAYERS, (UInt)MAX_NUM_LAYERS, m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT ); |
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[296] | 59 | m_iLog2Precision = LOG2_DISP_PREC_LUT; |
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| 60 | m_uiBitDepthForLUT = 8; // fixed |
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[1356] | 61 | m_receivedIdc = NULL; |
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| 62 | m_vps = NULL; |
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[2] | 63 | } |
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| 64 | |
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| 65 | CamParsCollector::~CamParsCollector() |
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| 66 | { |
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[608] | 67 | for( UInt uiId = 0; uiId < MAX_NUM_LAYERS; uiId++ ) |
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[2] | 68 | { |
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| 69 | delete [] m_aaiCodedOffset [ uiId ]; |
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| 70 | delete [] m_aaiCodedScale [ uiId ]; |
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| 71 | } |
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| 72 | delete [] m_aaiCodedOffset; |
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| 73 | delete [] m_aaiCodedScale; |
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[296] | 74 | |
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[608] | 75 | xDeleteArray( m_adBaseViewShiftLUT, MAX_NUM_LAYERS, MAX_NUM_LAYERS, 2 ); |
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| 76 | xDeleteArray( m_aiBaseViewShiftLUT, MAX_NUM_LAYERS, MAX_NUM_LAYERS, 2 ); |
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[1356] | 77 | if ( m_receivedIdc != NULL ) |
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| 78 | { |
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| 79 | xDeleteArray( m_receivedIdc, m_vps->getNumViews() ); |
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| 80 | } |
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[2] | 81 | } |
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| 82 | |
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[872] | 83 | |
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[2] | 84 | Void |
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[1313] | 85 | CamParsCollector::init( const TComVPS* vps) |
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[872] | 86 | { |
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| 87 | assert( !isInitialized() ); // Only one initialization currently supported |
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| 88 | m_bInitialized = true; |
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[1356] | 89 | m_vps = vps; |
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| 90 | m_bCamParsVaryOverTime = false; |
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| 91 | m_lastPoc = -1; |
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| 92 | m_firstReceivedPoc = -2; |
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[872] | 93 | |
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[1179] | 94 | for (Int i = 0; i <= vps->getMaxLayersMinus1(); i++) |
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| 95 | { |
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[1356] | 96 | Int curViewIdxInVps = m_vps->getVoiInVps( m_vps->getViewIndex( m_vps->getLayerIdInNuh( i ) ) ) ; |
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| 97 | m_bCamParsVaryOverTime = m_bCamParsVaryOverTime || vps->getCpInSliceSegmentHeaderFlag( curViewIdxInVps ); |
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[1179] | 98 | } |
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| 99 | |
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[1356] | 100 | assert( m_receivedIdc == NULL ); |
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| 101 | m_receivedIdc = new Int*[ m_vps->getNumViews() ]; |
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[1179] | 102 | for (Int i = 0; i < m_vps->getNumViews(); i++) |
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| 103 | { |
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[1356] | 104 | m_receivedIdc[i] = new Int[ m_vps->getNumViews() ]; |
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[1179] | 105 | } |
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| 106 | |
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[1356] | 107 | xResetReceivedIdc( true ); |
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[1179] | 108 | |
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| 109 | for (Int voiInVps = 0; voiInVps < m_vps->getNumViews(); voiInVps++ ) |
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| 110 | { |
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[1356] | 111 | if( !m_vps->getCpInSliceSegmentHeaderFlag( voiInVps ) ) |
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[1179] | 112 | { |
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| 113 | for (Int baseVoiInVps = 0; baseVoiInVps < m_vps->getNumViews(); baseVoiInVps++ ) |
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[1356] | 114 | { |
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[1179] | 115 | if( m_vps->getCpPresentFlag( voiInVps, baseVoiInVps ) ) |
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| 116 | { |
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[1356] | 117 | m_receivedIdc [ baseVoiInVps ][ voiInVps ] = -1; |
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[1179] | 118 | m_aaiCodedScale [ baseVoiInVps ][ voiInVps ] = m_vps->getCodedScale (voiInVps) [ baseVoiInVps ]; |
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| 119 | m_aaiCodedOffset[ baseVoiInVps ][ voiInVps ] = m_vps->getCodedOffset (voiInVps) [ baseVoiInVps ]; |
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| 120 | |
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[1356] | 121 | m_receivedIdc [ voiInVps ][ baseVoiInVps ] = -1; |
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[1179] | 122 | m_aaiCodedScale [ voiInVps ][ baseVoiInVps ] = m_vps->getInvCodedScale (voiInVps) [ baseVoiInVps ]; |
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| 123 | m_aaiCodedOffset[ voiInVps ][ baseVoiInVps ] = m_vps->getInvCodedOffset(voiInVps) [ baseVoiInVps ]; |
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| 124 | xInitLUTs( baseVoiInVps, voiInVps, m_aaiCodedScale[ baseVoiInVps ][ voiInVps ], m_aaiCodedOffset[ baseVoiInVps ][ voiInVps ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT ); |
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| 125 | xInitLUTs( voiInVps, baseVoiInVps, m_aaiCodedScale[ voiInVps ][ baseVoiInVps ], m_aaiCodedOffset[ voiInVps ][ baseVoiInVps ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT ); |
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| 126 | } |
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| 127 | } |
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| 128 | } |
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| 129 | } |
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| 130 | } |
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| 131 | |
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[872] | 132 | Void |
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| 133 | CamParsCollector::xResetReceivedIdc( Bool overWriteFlag ) |
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| 134 | { |
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[1179] | 135 | for (Int i = 0; i < m_vps->getNumViews(); i++) |
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[1356] | 136 | { |
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[1179] | 137 | for (Int j = 0; j < m_vps->getNumViews(); j++) |
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| 138 | { |
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[872] | 139 | if ( overWriteFlag || ( m_receivedIdc[i][j] != -1 ) ) |
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| 140 | { |
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[1356] | 141 | m_receivedIdc[i][j] = 0; |
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| 142 | } |
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[872] | 143 | } |
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| 144 | } |
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| 145 | } |
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[2] | 146 | |
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[872] | 147 | |
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[2] | 148 | Void |
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[296] | 149 | CamParsCollector::xCreateLUTs( UInt uiNumberSourceViews, UInt uiNumberTargetViews, Double****& radLUT, Int****& raiLUT) |
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| 150 | { |
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| 151 | |
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[608] | 152 | uiNumberSourceViews = std::max( (UInt) 1, uiNumberSourceViews ); |
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| 153 | uiNumberTargetViews = std::max( (UInt) 1, uiNumberTargetViews ); |
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[296] | 154 | |
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| 155 | radLUT = new Double***[ uiNumberSourceViews ]; |
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| 156 | raiLUT = new Int ***[ uiNumberSourceViews ]; |
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| 157 | |
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| 158 | for( UInt uiSourceView = 0; uiSourceView < uiNumberSourceViews; uiSourceView++ ) |
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| 159 | { |
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| 160 | radLUT [ uiSourceView ] = new Double**[ uiNumberTargetViews ]; |
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| 161 | raiLUT [ uiSourceView ] = new Int **[ uiNumberTargetViews ]; |
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| 162 | |
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| 163 | for( UInt uiTargetView = 0; uiTargetView < uiNumberTargetViews; uiTargetView++ ) |
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| 164 | { |
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| 165 | radLUT [ uiSourceView ][ uiTargetView ] = new Double*[ 2 ]; |
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| 166 | radLUT [ uiSourceView ][ uiTargetView ][ 0 ] = new Double [ 257 ]; |
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| 167 | radLUT [ uiSourceView ][ uiTargetView ][ 1 ] = new Double [ 257 ]; |
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| 168 | |
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| 169 | raiLUT [ uiSourceView ][ uiTargetView ] = new Int* [ 2 ]; |
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| 170 | raiLUT [ uiSourceView ][ uiTargetView ][ 0 ] = new Int [ 257 ]; |
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| 171 | raiLUT [ uiSourceView ][ uiTargetView ][ 1 ] = new Int [ 257 ]; |
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| 172 | } |
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| 173 | } |
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| 174 | } |
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| 175 | |
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[1356] | 176 | Void |
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[296] | 177 | CamParsCollector::xInitLUTs( UInt uiSourceView, UInt uiTargetView, Int iScale, Int iOffset, Double****& radLUT, Int****& raiLUT) |
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| 178 | { |
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[1179] | 179 | Int iLog2DivLuma = m_uiBitDepthForLUT + m_vps->getCpPrecision() + 1 - m_iLog2Precision; AOF( iLog2DivLuma > 0 ); |
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[296] | 180 | Int iLog2DivChroma = iLog2DivLuma + 1; |
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| 181 | |
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| 182 | iOffset <<= m_uiBitDepthForLUT; |
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| 183 | |
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| 184 | Double dScale = (Double) iScale / (( Double ) ( 1 << iLog2DivLuma )); |
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| 185 | Double dOffset = (Double) iOffset / (( Double ) ( 1 << iLog2DivLuma )); |
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| 186 | |
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| 187 | // offsets including rounding offsets |
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| 188 | Int64 iOffsetLuma = iOffset + ( ( 1 << iLog2DivLuma ) >> 1 ); |
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| 189 | Int64 iOffsetChroma = iOffset + ( ( 1 << iLog2DivChroma ) >> 1 ); |
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| 190 | |
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| 191 | |
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| 192 | for( UInt uiDepthValue = 0; uiDepthValue < 256; uiDepthValue++ ) |
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| 193 | { |
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| 194 | |
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| 195 | // real-valued look-up tables |
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| 196 | Double dShiftLuma = ( (Double)uiDepthValue * dScale + dOffset ) * Double( 1 << m_iLog2Precision ); |
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| 197 | Double dShiftChroma = dShiftLuma / 2; |
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| 198 | radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ uiDepthValue ] = dShiftLuma; |
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| 199 | radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ uiDepthValue ] = dShiftChroma; |
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| 200 | |
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| 201 | // integer-valued look-up tables |
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| 202 | Int64 iTempScale = (Int64)uiDepthValue * iScale; |
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| 203 | Int64 iShiftLuma = ( iTempScale + iOffsetLuma ) >> iLog2DivLuma; |
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| 204 | Int64 iShiftChroma = ( iTempScale + iOffsetChroma ) >> iLog2DivChroma; |
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| 205 | raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ uiDepthValue ] = (Int)iShiftLuma; |
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| 206 | raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ uiDepthValue ] = (Int)iShiftChroma; |
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| 207 | } |
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| 208 | |
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| 209 | radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 256 ] = radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 255 ]; |
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| 210 | radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 256 ] = radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 255 ]; |
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| 211 | raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 256 ] = raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 255 ]; |
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| 212 | raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 256 ] = raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 255 ]; |
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| 213 | } |
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| 214 | |
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| 215 | Void |
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[2] | 216 | CamParsCollector::uninit() |
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| 217 | { |
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| 218 | m_bInitialized = false; |
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| 219 | } |
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| 220 | |
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[1313] | 221 | Void CamParsCollector::setSlice( const TComSlice* pcSlice ) |
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[2] | 222 | { |
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| 223 | if( pcSlice == 0 ) |
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| 224 | { |
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[872] | 225 | xOutput( m_lastPoc ); |
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| 226 | return; |
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| 227 | } |
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| 228 | |
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[1084] | 229 | #if !H_3D_FCO |
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[872] | 230 | if ( pcSlice->getIsDepth()) |
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| 231 | { |
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| 232 | return; |
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| 233 | } |
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[1066] | 234 | #endif |
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[872] | 235 | |
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| 236 | Int curPoc = pcSlice->getPOC(); |
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| 237 | if( m_firstReceivedPoc == -2 ) |
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| 238 | { |
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[1356] | 239 | m_firstReceivedPoc = curPoc; |
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[872] | 240 | } |
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| 241 | |
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[1356] | 242 | Bool newPocFlag = ( m_lastPoc != curPoc ); |
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[872] | 243 | |
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| 244 | if ( newPocFlag ) |
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[1356] | 245 | { |
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[872] | 246 | if( m_lastPoc != -1 ) |
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| 247 | { |
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| 248 | xOutput( m_lastPoc ); |
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| 249 | } |
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| 250 | |
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[1356] | 251 | xResetReceivedIdc( false ); |
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[872] | 252 | m_lastPoc = pcSlice->getPOC(); |
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| 253 | } |
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| 254 | |
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[1356] | 255 | UInt voiInVps = m_vps->getVoiInVps(pcSlice->getViewIndex()); |
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[1179] | 256 | if( m_vps->getCpInSliceSegmentHeaderFlag( voiInVps ) ) // check consistency of slice parameters here |
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[1356] | 257 | { |
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[1179] | 258 | for( Int baseVoiInVps = 0; baseVoiInVps < m_vps->getNumViews(); baseVoiInVps++ ) |
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[1356] | 259 | { |
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[1179] | 260 | if ( m_vps->getCpPresentFlag( voiInVps, baseVoiInVps ) ) |
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| 261 | { |
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| 262 | if ( m_receivedIdc[ voiInVps ][ baseVoiInVps ] != 0 ) |
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[1356] | 263 | { |
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[1179] | 264 | AOF( m_aaiCodedScale [ voiInVps ][ baseVoiInVps ] == pcSlice->getInvCodedScale () [ baseVoiInVps ] ); |
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| 265 | AOF( m_aaiCodedOffset[ voiInVps ][ baseVoiInVps ] == pcSlice->getInvCodedOffset() [ baseVoiInVps ] ); |
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| 266 | } |
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| 267 | else |
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[1356] | 268 | { |
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| 269 | m_receivedIdc [ voiInVps ][ baseVoiInVps ] = 1; |
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[1179] | 270 | m_aaiCodedScale [ voiInVps ][ baseVoiInVps ] = pcSlice->getInvCodedScale () [ baseVoiInVps ]; |
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| 271 | m_aaiCodedOffset[ voiInVps ][ baseVoiInVps ] = pcSlice->getInvCodedOffset() [ baseVoiInVps ]; |
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| 272 | xInitLUTs( voiInVps, baseVoiInVps, m_aaiCodedScale[ voiInVps ][ baseVoiInVps ], m_aaiCodedOffset[ voiInVps ][ baseVoiInVps ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT); |
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| 273 | } |
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| 274 | if ( m_receivedIdc[ baseVoiInVps ][ voiInVps ] != 0 ) |
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[1356] | 275 | { |
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[1179] | 276 | AOF( m_aaiCodedScale [ baseVoiInVps ][ voiInVps ] == pcSlice->getCodedScale () [ baseVoiInVps ] ); |
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| 277 | AOF( m_aaiCodedOffset[ baseVoiInVps ][ voiInVps ] == pcSlice->getCodedOffset () [ baseVoiInVps ] ); |
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| 278 | } |
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| 279 | else |
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[1356] | 280 | { |
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| 281 | m_receivedIdc [ baseVoiInVps ][ voiInVps ] = 1; |
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[1179] | 282 | m_aaiCodedScale [ baseVoiInVps ][ voiInVps ] = pcSlice->getCodedScale () [ baseVoiInVps ]; |
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| 283 | m_aaiCodedOffset[ baseVoiInVps ][ voiInVps ] = pcSlice->getCodedOffset () [ baseVoiInVps ]; |
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| 284 | xInitLUTs( baseVoiInVps, voiInVps, m_aaiCodedScale[ baseVoiInVps ][ voiInVps ], m_aaiCodedOffset[ baseVoiInVps ][ voiInVps ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT); |
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| 285 | } |
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| 286 | } |
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| 287 | } |
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[1356] | 288 | } |
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[872] | 289 | } |
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| 290 | |
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[724] | 291 | Void |
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[2] | 292 | CamParsCollector::xOutput( Int iPOC ) |
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| 293 | { |
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| 294 | if( m_pCodedScaleOffsetFile ) |
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| 295 | { |
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[872] | 296 | if( iPOC == m_firstReceivedPoc ) |
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[2] | 297 | { |
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[1179] | 298 | fprintf( m_pCodedScaleOffsetFile, "#ViewOrderIdx ViewIdVal\n" ); |
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| 299 | fprintf( m_pCodedScaleOffsetFile, "#------------ -------------\n" ); |
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[1356] | 300 | |
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[1179] | 301 | for( UInt voiInVps = 0; voiInVps < m_vps->getNumViews(); voiInVps++ ) |
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| 302 | { |
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| 303 | fprintf( m_pCodedScaleOffsetFile, "%13d %13d\n", m_vps->getViewOIdxList( voiInVps ), m_vps->getViewIdVal( m_vps->getViewOIdxList( voiInVps ) ) ); |
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| 304 | } |
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| 305 | fprintf( m_pCodedScaleOffsetFile, "\n\n"); |
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| 306 | fprintf( m_pCodedScaleOffsetFile, "# StartFrame EndFrame TargetVOI BaseVOI CodedScale CodedOffset Precision\n" ); |
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| 307 | fprintf( m_pCodedScaleOffsetFile, "#----------- ------------ ------------ ------------ ------------ ------------ ------------\n" ); |
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| 308 | } |
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| 309 | if( iPOC == m_firstReceivedPoc || m_bCamParsVaryOverTime ) |
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| 310 | { |
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| 311 | Int iS = iPOC; |
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| 312 | Int iE = ( m_bCamParsVaryOverTime ? iPOC : ~( 1 << 31 ) ); |
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| 313 | for( UInt voiInVps = 0; voiInVps < m_vps->getNumViews(); voiInVps++ ) |
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| 314 | { |
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| 315 | for( UInt baseVoiInVps = 0; baseVoiInVps < m_vps->getNumViews(); baseVoiInVps++ ) |
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| 316 | { |
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| 317 | if( voiInVps != baseVoiInVps ) |
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| 318 | { |
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| 319 | if ( m_receivedIdc[baseVoiInVps][voiInVps] != 0 ) |
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[1356] | 320 | { |
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[1179] | 321 | fprintf( m_pCodedScaleOffsetFile, "%12d %12d %12d %12d %12d %12d %12d\n", |
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[1356] | 322 | iS, iE, m_vps->getViewOIdxList( voiInVps ), m_vps->getViewOIdxList( baseVoiInVps ), |
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| 323 | m_aaiCodedScale [ baseVoiInVps ][ voiInVps ], |
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[1179] | 324 | m_aaiCodedOffset[ baseVoiInVps ][ voiInVps ], m_vps->getCpPrecision() ); |
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[1356] | 325 | } |
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[2] | 326 | } |
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| 327 | } |
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| 328 | } |
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| 329 | } |
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| 330 | } |
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| 331 | } |
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[608] | 332 | #endif |
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[1196] | 333 | |
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[1313] | 334 | |
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[2] | 335 | TDecTop::TDecTop() |
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[1313] | 336 | : m_iMaxRefPicNum(0) |
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[1321] | 337 | #if !NH_MV |
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[1313] | 338 | , m_associatedIRAPType(NAL_UNIT_INVALID) |
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[1356] | 339 | , m_pocCRA(0) |
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[1313] | 340 | , m_pocRandomAccess(MAX_INT) |
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| 341 | , m_cListPic() |
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| 342 | , m_parameterSetManager() |
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| 343 | #endif |
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| 344 | , m_apcSlicePilot(NULL) |
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| 345 | , m_SEIs() |
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| 346 | , m_cPrediction() |
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| 347 | , m_cTrQuant() |
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| 348 | , m_cGopDecoder() |
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| 349 | , m_cSliceDecoder() |
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| 350 | , m_cCuDecoder() |
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| 351 | , m_cEntropyDecoder() |
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| 352 | , m_cCavlcDecoder() |
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| 353 | , m_cSbacDecoder() |
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| 354 | , m_cBinCABAC() |
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| 355 | , m_seiReader() |
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| 356 | , m_cLoopFilter() |
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| 357 | , m_cSAO() |
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| 358 | , m_pcPic(NULL) |
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[1321] | 359 | #if !NH_MV |
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[1313] | 360 | , m_prevPOC(MAX_INT) |
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| 361 | , m_prevTid0POC(0) |
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| 362 | , m_bFirstSliceInPicture(true) |
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| 363 | , m_bFirstSliceInSequence(true) |
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| 364 | , m_prevSliceSkipped(false) |
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| 365 | , m_skippedPOC(0) |
---|
| 366 | , m_bFirstSliceInBitstream(true) |
---|
| 367 | , m_lastPOCNoOutputPriorPics(-1) |
---|
| 368 | , m_isNoOutputPriorPics(false) |
---|
| 369 | , m_craNoRaslOutputFlag(false) |
---|
[1321] | 370 | #endif |
---|
[1313] | 371 | #if O0043_BEST_EFFORT_DECODING |
---|
| 372 | , m_forceDecodeBitDepth(8) |
---|
| 373 | #endif |
---|
| 374 | , m_pDecodedSEIOutputStream(NULL) |
---|
[1321] | 375 | #if !NH_MV |
---|
[1313] | 376 | , m_warningMessageSkipPicture(false) |
---|
[1321] | 377 | #endif |
---|
[1313] | 378 | , m_prefixSEINALUs() |
---|
[2] | 379 | { |
---|
[1321] | 380 | #if !NH_MV |
---|
[2] | 381 | #if ENC_DEC_TRACE |
---|
[1313] | 382 | if (g_hTrace == NULL) |
---|
| 383 | { |
---|
| 384 | g_hTrace = fopen( "TraceDec.txt", "wb" ); |
---|
| 385 | } |
---|
[2] | 386 | g_bJustDoIt = g_bEncDecTraceDisable; |
---|
| 387 | g_nSymbolCounter = 0; |
---|
| 388 | #endif |
---|
[608] | 389 | #endif |
---|
[1321] | 390 | |
---|
[1313] | 391 | #if NH_MV |
---|
[1321] | 392 | m_layerId = 0; |
---|
| 393 | m_viewId = 0; |
---|
| 394 | |
---|
[1313] | 395 | #if NH_3D |
---|
[1321] | 396 | m_viewIndex = 0; |
---|
| 397 | m_isDepth = false; |
---|
| 398 | m_pcCamParsCollector = 0; |
---|
[210] | 399 | #endif |
---|
[1321] | 400 | |
---|
| 401 | m_decodingProcess = CLAUSE_8; |
---|
| 402 | m_targetOlsIdx = -1; |
---|
| 403 | m_smallestLayerId = -1; |
---|
| 404 | m_isInOwnTargetDecLayerIdList = 0; |
---|
| 405 | m_prevPicOrderCnt = 0; |
---|
| 406 | m_pocDecrementedInDpbFlag = NULL; |
---|
| 407 | m_firstPicInLayerDecodedFlag = NULL; |
---|
| 408 | m_lastPresentPocResetIdc = NULL; |
---|
| 409 | |
---|
| 410 | m_prevIrapPoc = MIN_INT; |
---|
| 411 | m_prevIrapDecodingOrder = MIN_INT; |
---|
| 412 | m_prevStsaDecOrder = MIN_INT; |
---|
| 413 | m_prevStsaTemporalId = MIN_INT; |
---|
[608] | 414 | #endif |
---|
[2] | 415 | } |
---|
| 416 | |
---|
| 417 | TDecTop::~TDecTop() |
---|
| 418 | { |
---|
| 419 | #if ENC_DEC_TRACE |
---|
[1321] | 420 | #if NH_MV |
---|
[1313] | 421 | if (g_hTrace != stdout && g_hTrace != NULL) |
---|
[1321] | 422 | { |
---|
| 423 | fclose( g_hTrace ); |
---|
| 424 | g_hTrace = NULL; |
---|
| 425 | } |
---|
[1313] | 426 | #else |
---|
| 427 | if (g_hTrace != stdout) |
---|
| 428 | { |
---|
| 429 | fclose( g_hTrace ); |
---|
| 430 | } |
---|
| 431 | #endif |
---|
[1356] | 432 | #endif |
---|
[1313] | 433 | while (!m_prefixSEINALUs.empty()) |
---|
| 434 | { |
---|
| 435 | delete m_prefixSEINALUs.front(); |
---|
| 436 | m_prefixSEINALUs.pop_front(); |
---|
| 437 | } |
---|
[2] | 438 | } |
---|
| 439 | |
---|
| 440 | Void TDecTop::create() |
---|
| 441 | { |
---|
| 442 | m_cGopDecoder.create(); |
---|
| 443 | m_apcSlicePilot = new TComSlice; |
---|
[608] | 444 | m_uiSliceIdx = 0; |
---|
[2] | 445 | } |
---|
| 446 | |
---|
| 447 | Void TDecTop::destroy() |
---|
| 448 | { |
---|
[1321] | 449 | |
---|
| 450 | #if NH_MV |
---|
| 451 | m_cSAO.destroy(); |
---|
| 452 | m_cLoopFilter. destroy(); |
---|
| 453 | #endif |
---|
| 454 | |
---|
[2] | 455 | m_cGopDecoder.destroy(); |
---|
[1313] | 456 | |
---|
[2] | 457 | delete m_apcSlicePilot; |
---|
| 458 | m_apcSlicePilot = NULL; |
---|
[1313] | 459 | |
---|
[2] | 460 | m_cSliceDecoder.destroy(); |
---|
| 461 | } |
---|
| 462 | |
---|
[608] | 463 | Void TDecTop::init() |
---|
[2] | 464 | { |
---|
| 465 | // initialize ROM |
---|
[1313] | 466 | #if !NH_MV |
---|
[56] | 467 | initROM(); |
---|
[5] | 468 | #endif |
---|
[1313] | 469 | #if NH_MV |
---|
[1356] | 470 | m_cCavlcDecoder.setDecTop( this ); |
---|
[1179] | 471 | #endif |
---|
[1313] | 472 | m_cGopDecoder.init( &m_cEntropyDecoder, &m_cSbacDecoder, &m_cBinCABAC, &m_cCavlcDecoder, &m_cSliceDecoder, &m_cLoopFilter, &m_cSAO); |
---|
[2] | 473 | m_cSliceDecoder.init( &m_cEntropyDecoder, &m_cCuDecoder ); |
---|
| 474 | m_cEntropyDecoder.init(&m_cPrediction); |
---|
| 475 | } |
---|
| 476 | |
---|
[1321] | 477 | #if !NH_MV |
---|
[2] | 478 | Void TDecTop::deletePicBuffer ( ) |
---|
| 479 | { |
---|
[1321] | 480 | |
---|
[2] | 481 | TComList<TComPic*>::iterator iterPic = m_cListPic.begin(); |
---|
| 482 | Int iSize = Int( m_cListPic.size() ); |
---|
[1313] | 483 | |
---|
[2] | 484 | for (Int i = 0; i < iSize; i++ ) |
---|
| 485 | { |
---|
[608] | 486 | TComPic* pcPic = *(iterPic++); |
---|
| 487 | pcPic->destroy(); |
---|
[1313] | 488 | |
---|
[608] | 489 | delete pcPic; |
---|
| 490 | pcPic = NULL; |
---|
[2] | 491 | } |
---|
[1313] | 492 | |
---|
[2] | 493 | m_cSAO.destroy(); |
---|
[1313] | 494 | |
---|
[2] | 495 | m_cLoopFilter. destroy(); |
---|
[1313] | 496 | |
---|
[2] | 497 | // destroy ROM |
---|
[608] | 498 | destroyROM(); |
---|
[2] | 499 | } |
---|
| 500 | |
---|
[1313] | 501 | Void TDecTop::xGetNewPicBuffer ( const TComSPS &sps, const TComPPS &pps, TComPic*& rpcPic, const UInt temporalLayer ) |
---|
[56] | 502 | { |
---|
[1313] | 503 | m_iMaxRefPicNum = sps.getMaxDecPicBuffering(temporalLayer); // m_uiMaxDecPicBuffering has the space for the picture currently being decoded |
---|
[2] | 504 | if (m_cListPic.size() < (UInt)m_iMaxRefPicNum) |
---|
| 505 | { |
---|
[56] | 506 | rpcPic = new TComPic(); |
---|
[1313] | 507 | |
---|
| 508 | rpcPic->create ( sps, pps, true); |
---|
| 509 | |
---|
[2] | 510 | m_cListPic.pushBack( rpcPic ); |
---|
[1313] | 511 | |
---|
[2] | 512 | return; |
---|
| 513 | } |
---|
[1313] | 514 | |
---|
[2] | 515 | Bool bBufferIsAvailable = false; |
---|
| 516 | TComList<TComPic*>::iterator iterPic = m_cListPic.begin(); |
---|
| 517 | while (iterPic != m_cListPic.end()) |
---|
| 518 | { |
---|
| 519 | rpcPic = *(iterPic++); |
---|
[56] | 520 | if ( rpcPic->getReconMark() == false && rpcPic->getOutputMark() == false) |
---|
[2] | 521 | { |
---|
[56] | 522 | rpcPic->setOutputMark(false); |
---|
[2] | 523 | bBufferIsAvailable = true; |
---|
| 524 | break; |
---|
| 525 | } |
---|
[56] | 526 | |
---|
| 527 | if ( rpcPic->getSlice( 0 )->isReferenced() == false && rpcPic->getOutputMark() == false) |
---|
| 528 | { |
---|
| 529 | rpcPic->setOutputMark(false); |
---|
| 530 | rpcPic->setReconMark( false ); |
---|
| 531 | rpcPic->getPicYuvRec()->setBorderExtension( false ); |
---|
| 532 | bBufferIsAvailable = true; |
---|
| 533 | break; |
---|
| 534 | } |
---|
[2] | 535 | } |
---|
[1313] | 536 | |
---|
[2] | 537 | if ( !bBufferIsAvailable ) |
---|
| 538 | { |
---|
[56] | 539 | //There is no room for this picture, either because of faulty encoder or dropped NAL. Extend the buffer. |
---|
| 540 | m_iMaxRefPicNum++; |
---|
| 541 | rpcPic = new TComPic(); |
---|
| 542 | m_cListPic.pushBack( rpcPic ); |
---|
[2] | 543 | } |
---|
[608] | 544 | rpcPic->destroy(); |
---|
[1313] | 545 | rpcPic->create ( sps, pps, true); |
---|
[2] | 546 | } |
---|
[1321] | 547 | |
---|
[608] | 548 | Void TDecTop::executeLoopFilters(Int& poc, TComList<TComPic*>*& rpcListPic) |
---|
[56] | 549 | { |
---|
| 550 | if (!m_pcPic) |
---|
| 551 | { |
---|
| 552 | /* nothing to deblock */ |
---|
| 553 | return; |
---|
| 554 | } |
---|
[2] | 555 | |
---|
[1313] | 556 | TComPic* pcPic = m_pcPic; |
---|
| 557 | |
---|
[608] | 558 | // Execute Deblock + Cleanup |
---|
[56] | 559 | |
---|
[608] | 560 | m_cGopDecoder.filterPicture(pcPic); |
---|
[56] | 561 | |
---|
| 562 | TComSlice::sortPicList( m_cListPic ); // sorting for application output |
---|
[608] | 563 | poc = pcPic->getSlice(m_uiSliceIdx-1)->getPOC(); |
---|
[1313] | 564 | rpcListPic = &m_cListPic; |
---|
| 565 | m_cCuDecoder.destroy(); |
---|
[56] | 566 | m_bFirstSliceInPicture = true; |
---|
| 567 | return; |
---|
| 568 | } |
---|
| 569 | |
---|
[1313] | 570 | Void TDecTop::checkNoOutputPriorPics (TComList<TComPic*>* pcListPic) |
---|
[964] | 571 | { |
---|
[1313] | 572 | if (!pcListPic || !m_isNoOutputPriorPics) |
---|
| 573 | { |
---|
| 574 | return; |
---|
| 575 | } |
---|
[964] | 576 | |
---|
[1313] | 577 | TComList<TComPic*>::iterator iterPic = pcListPic->begin(); |
---|
[964] | 578 | |
---|
[1313] | 579 | while (iterPic != pcListPic->end()) |
---|
[964] | 580 | { |
---|
[1313] | 581 | TComPic* pcPicTmp = *(iterPic++); |
---|
[964] | 582 | if (m_lastPOCNoOutputPriorPics != pcPicTmp->getPOC()) |
---|
| 583 | { |
---|
| 584 | pcPicTmp->setOutputMark(false); |
---|
| 585 | } |
---|
| 586 | } |
---|
| 587 | } |
---|
| 588 | |
---|
[1313] | 589 | Void TDecTop::xCreateLostPicture(Int iLostPoc) |
---|
[2] | 590 | { |
---|
[56] | 591 | printf("\ninserting lost poc : %d\n",iLostPoc); |
---|
| 592 | TComPic *cFillPic; |
---|
[1313] | 593 | xGetNewPicBuffer(*(m_parameterSetManager.getFirstSPS()), *(m_parameterSetManager.getFirstPPS()), cFillPic, 0); |
---|
[56] | 594 | cFillPic->getSlice(0)->initSlice(); |
---|
[1313] | 595 | |
---|
[56] | 596 | TComList<TComPic*>::iterator iterPic = m_cListPic.begin(); |
---|
| 597 | Int closestPoc = 1000000; |
---|
| 598 | while ( iterPic != m_cListPic.end()) |
---|
[2] | 599 | { |
---|
[56] | 600 | TComPic * rpcPic = *(iterPic++); |
---|
| 601 | if(abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)<closestPoc&&abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)!=0&&rpcPic->getPicSym()->getSlice(0)->getPOC()!=m_apcSlicePilot->getPOC()) |
---|
[2] | 602 | { |
---|
[56] | 603 | closestPoc=abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc); |
---|
| 604 | } |
---|
| 605 | } |
---|
| 606 | iterPic = m_cListPic.begin(); |
---|
| 607 | while ( iterPic != m_cListPic.end()) |
---|
| 608 | { |
---|
| 609 | TComPic *rpcPic = *(iterPic++); |
---|
| 610 | if(abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)==closestPoc&&rpcPic->getPicSym()->getSlice(0)->getPOC()!=m_apcSlicePilot->getPOC()) |
---|
| 611 | { |
---|
| 612 | printf("copying picture %d to %d (%d)\n",rpcPic->getPicSym()->getSlice(0)->getPOC() ,iLostPoc,m_apcSlicePilot->getPOC()); |
---|
| 613 | rpcPic->getPicYuvRec()->copyToPic(cFillPic->getPicYuvRec()); |
---|
[2] | 614 | break; |
---|
| 615 | } |
---|
| 616 | } |
---|
[56] | 617 | cFillPic->setCurrSliceIdx(0); |
---|
[1313] | 618 | for(Int ctuRsAddr=0; ctuRsAddr<cFillPic->getNumberOfCtusInFrame(); ctuRsAddr++) |
---|
[2] | 619 | { |
---|
[1313] | 620 | cFillPic->getCtu(ctuRsAddr)->initCtu(cFillPic, ctuRsAddr); |
---|
[2] | 621 | } |
---|
[56] | 622 | cFillPic->getSlice(0)->setReferenced(true); |
---|
| 623 | cFillPic->getSlice(0)->setPOC(iLostPoc); |
---|
[1313] | 624 | xUpdatePreviousTid0POC(cFillPic->getSlice(0)); |
---|
[56] | 625 | cFillPic->setReconMark(true); |
---|
| 626 | cFillPic->setOutputMark(true); |
---|
| 627 | if(m_pocRandomAccess == MAX_INT) |
---|
| 628 | { |
---|
| 629 | m_pocRandomAccess = iLostPoc; |
---|
| 630 | } |
---|
[2] | 631 | } |
---|
[1321] | 632 | #endif |
---|
[2] | 633 | |
---|
[56] | 634 | |
---|
[1321] | 635 | #if NH_MV |
---|
| 636 | Void TDecTop::activatePSsAndInitPicOrSlice( TComPic* newPic ) |
---|
| 637 | { |
---|
| 638 | if ( m_apcSlicePilot->getFirstSliceSegementInPicFlag() ) |
---|
| 639 | { |
---|
| 640 | assert( newPic != NULL ); |
---|
| 641 | |
---|
| 642 | #else |
---|
[56] | 643 | Void TDecTop::xActivateParameterSets() |
---|
[2] | 644 | { |
---|
[1313] | 645 | if (m_bFirstSliceInPicture) |
---|
| 646 | { |
---|
[1321] | 647 | #endif |
---|
[1313] | 648 | const TComPPS *pps = m_parameterSetManager.getPPS(m_apcSlicePilot->getPPSId()); // this is a temporary PPS object. Do not store this value |
---|
| 649 | assert (pps != 0); |
---|
[56] | 650 | |
---|
[1313] | 651 | const TComSPS *sps = m_parameterSetManager.getSPS(pps->getSPSId()); // this is a temporary SPS object. Do not store this value |
---|
| 652 | assert (sps != 0); |
---|
[608] | 653 | |
---|
[1313] | 654 | m_parameterSetManager.clearSPSChangedFlag(sps->getSPSId()); |
---|
| 655 | m_parameterSetManager.clearPPSChangedFlag(pps->getPPSId()); |
---|
| 656 | #if NH_MV |
---|
| 657 | const TComVPS* vps = m_parameterSetManager.getVPS(sps->getVPSId()); |
---|
[1356] | 658 | assert (vps != 0); |
---|
| 659 | // TBD: check the condition on m_firstPicInLayerDecodedFlag |
---|
[1321] | 660 | if (!m_parameterSetManager.activatePPS(m_apcSlicePilot->getPPSId(),m_apcSlicePilot->isIRAP() || !m_firstPicInLayerDecodedFlag[m_layerId] , m_layerId ) ) |
---|
[622] | 661 | #else |
---|
[1313] | 662 | if (false == m_parameterSetManager.activatePPS(m_apcSlicePilot->getPPSId(),m_apcSlicePilot->isIRAP())) |
---|
[622] | 663 | #endif |
---|
[1313] | 664 | { |
---|
| 665 | printf ("Parameter set activation failed!"); |
---|
| 666 | assert (0); |
---|
| 667 | } |
---|
[608] | 668 | |
---|
[1313] | 669 | #if NH_MV |
---|
[1321] | 670 | if ( decProcAnnexG() ) |
---|
| 671 | { |
---|
| 672 | // When the value of vps_num_rep_formats_minus1 in the active VPS is equal to 0 |
---|
| 673 | if ( vps->getVpsNumRepFormatsMinus1() == 0 ) |
---|
| 674 | { |
---|
| 675 | //, it is a requirement of bitstream conformance that the value of update_rep_format_flag shall be equal to 0. |
---|
[1356] | 676 | assert( sps->getUpdateRepFormatFlag() == false ); |
---|
[1321] | 677 | } |
---|
[1356] | 678 | sps->checkRpsMaxNumPics( vps, getLayerId() ); |
---|
[1066] | 679 | |
---|
[1356] | 680 | // It is a requirement of bitstream conformance that, when the SPS is referred to by |
---|
| 681 | // any current picture that belongs to an independent non-base layer, the value of |
---|
[1321] | 682 | // MultiLayerExtSpsFlag derived from the SPS shall be equal to 0. |
---|
[1066] | 683 | |
---|
[1321] | 684 | if ( m_layerId > 0 && vps->getNumRefLayers( m_layerId ) == 0 ) |
---|
[1356] | 685 | { |
---|
| 686 | assert( sps->getMultiLayerExtSpsFlag() == 0 ); |
---|
[1321] | 687 | } |
---|
| 688 | } |
---|
[1356] | 689 | m_seiReader.setLayerId ( newPic->getLayerId ( ) ); |
---|
| 690 | m_seiReader.setDecOrder( newPic->getDecodingOrder( ) ); |
---|
[1313] | 691 | #endif |
---|
[1066] | 692 | |
---|
[1313] | 693 | xParsePrefixSEImessages(); |
---|
| 694 | |
---|
| 695 | #if RExt__HIGH_BIT_DEPTH_SUPPORT==0 |
---|
| 696 | if (sps->getSpsRangeExtension().getExtendedPrecisionProcessingFlag() || sps->getBitDepth(CHANNEL_TYPE_LUMA)>12 || sps->getBitDepth(CHANNEL_TYPE_CHROMA)>12 ) |
---|
| 697 | { |
---|
| 698 | printf("High bit depth support must be enabled at compile-time in order to decode this bitstream\n"); |
---|
| 699 | assert (0); |
---|
| 700 | exit(1); |
---|
| 701 | } |
---|
[964] | 702 | #endif |
---|
| 703 | |
---|
[1313] | 704 | // NOTE: globals were set up here originally. You can now use: |
---|
| 705 | // g_uiMaxCUDepth = sps->getMaxTotalCUDepth(); |
---|
| 706 | // g_uiAddCUDepth = sps->getMaxTotalCUDepth() - sps->getLog2DiffMaxMinCodingBlockSize() |
---|
[608] | 707 | |
---|
[1313] | 708 | // Get a new picture buffer. This will also set up m_pcPic, and therefore give us a SPS and PPS pointer that we can use. |
---|
[1321] | 709 | #if !NH_MV |
---|
[1313] | 710 | xGetNewPicBuffer (*(sps), *(pps), m_pcPic, m_apcSlicePilot->getTLayer()); |
---|
[1321] | 711 | |
---|
[1313] | 712 | m_apcSlicePilot->applyReferencePictureSet(m_cListPic, m_apcSlicePilot->getRPS()); |
---|
[1321] | 713 | #else |
---|
[1356] | 714 | m_pcPic = newPic; |
---|
[1313] | 715 | #endif |
---|
| 716 | |
---|
| 717 | // make the slice-pilot a real slice, and set up the slice-pilot for the next slice |
---|
| 718 | assert(m_pcPic->getNumAllocatedSlice() == (m_uiSliceIdx + 1)); |
---|
| 719 | m_apcSlicePilot = m_pcPic->getPicSym()->swapSliceObject(m_apcSlicePilot, m_uiSliceIdx); |
---|
| 720 | |
---|
| 721 | // we now have a real slice: |
---|
| 722 | TComSlice *pSlice = m_pcPic->getSlice(m_uiSliceIdx); |
---|
| 723 | |
---|
| 724 | // Update the PPS and SPS pointers with the ones of the picture. |
---|
| 725 | pps=pSlice->getPPS(); |
---|
| 726 | sps=pSlice->getSPS(); |
---|
| 727 | |
---|
| 728 | #if NH_MV |
---|
[1321] | 729 | pSlice->setPic( m_pcPic ); |
---|
[1356] | 730 | vps=pSlice->getVPS(); |
---|
[1313] | 731 | // The nuh_layer_id value of the NAL unit containing the PPS that is activated for a layer layerA with nuh_layer_id equal to nuhLayerIdA shall be equal to 0, or nuhLayerIdA, or the nuh_layer_id of a direct or indirect reference layer of layerA. |
---|
[1356] | 732 | assert( pps->getLayerId() == m_layerId || pps->getLayerId( ) == 0 || vps->getDependencyFlag( m_layerId, pps->getLayerId() ) ); |
---|
[1313] | 733 | // The nuh_layer_id value of the NAL unit containing the SPS that is activated for a layer layerA with nuh_layer_id equal to nuhLayerIdA shall be equal to 0, or nuhLayerIdA, or the nuh_layer_id of a direct or indirect reference layer of layerA. |
---|
| 734 | assert( sps->getLayerId() == m_layerId || sps->getLayerId( ) == 0 || vps->getDependencyFlag( m_layerId, sps->getLayerId() ) ); |
---|
| 735 | #endif |
---|
| 736 | |
---|
| 737 | #if NH_3D |
---|
| 738 | if ( !m_pcCamParsCollector->isInitialized() ) |
---|
[608] | 739 | { |
---|
[1313] | 740 | m_pcCamParsCollector->init( vps ); |
---|
| 741 | } |
---|
| 742 | #endif |
---|
| 743 | // Initialise the various objects for the new set of settings |
---|
| 744 | m_cSAO.create( sps->getPicWidthInLumaSamples(), sps->getPicHeightInLumaSamples(), sps->getChromaFormatIdc(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getMaxTotalCUDepth(), pps->getPpsRangeExtension().getLog2SaoOffsetScale(CHANNEL_TYPE_LUMA), pps->getPpsRangeExtension().getLog2SaoOffsetScale(CHANNEL_TYPE_CHROMA) ); |
---|
| 745 | m_cLoopFilter.create( sps->getMaxTotalCUDepth() ); |
---|
| 746 | m_cPrediction.initTempBuff(sps->getChromaFormatIdc()); |
---|
| 747 | |
---|
| 748 | |
---|
| 749 | Bool isField = false; |
---|
| 750 | Bool isTopField = false; |
---|
| 751 | |
---|
| 752 | if(!m_SEIs.empty()) |
---|
| 753 | { |
---|
| 754 | // Check if any new Picture Timing SEI has arrived |
---|
| 755 | SEIMessages pictureTimingSEIs = getSeisByType(m_SEIs, SEI::PICTURE_TIMING); |
---|
| 756 | if (pictureTimingSEIs.size()>0) |
---|
[608] | 757 | { |
---|
[1313] | 758 | SEIPictureTiming* pictureTiming = (SEIPictureTiming*) *(pictureTimingSEIs.begin()); |
---|
| 759 | isField = (pictureTiming->m_picStruct == 1) || (pictureTiming->m_picStruct == 2) || (pictureTiming->m_picStruct == 9) || (pictureTiming->m_picStruct == 10) || (pictureTiming->m_picStruct == 11) || (pictureTiming->m_picStruct == 12); |
---|
| 760 | isTopField = (pictureTiming->m_picStruct == 1) || (pictureTiming->m_picStruct == 9) || (pictureTiming->m_picStruct == 11); |
---|
[608] | 761 | } |
---|
| 762 | } |
---|
[1313] | 763 | |
---|
| 764 | //Set Field/Frame coding mode |
---|
| 765 | m_pcPic->setField(isField); |
---|
| 766 | m_pcPic->setTopField(isTopField); |
---|
| 767 | |
---|
| 768 | // transfer any SEI messages that have been received to the picture |
---|
| 769 | m_pcPic->setSEIs(m_SEIs); |
---|
| 770 | m_SEIs.clear(); |
---|
| 771 | |
---|
| 772 | // Recursive structure |
---|
| 773 | m_cCuDecoder.create ( sps->getMaxTotalCUDepth(), sps->getMaxCUWidth(), sps->getMaxCUHeight(), sps->getChromaFormatIdc() ); |
---|
| 774 | m_cCuDecoder.init ( &m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction ); |
---|
| 775 | m_cTrQuant.init ( sps->getMaxTrSize() ); |
---|
| 776 | |
---|
| 777 | m_cSliceDecoder.create(); |
---|
[608] | 778 | } |
---|
[1313] | 779 | else |
---|
| 780 | { |
---|
[1321] | 781 | #if NH_MV |
---|
[1356] | 782 | assert( m_pcPic != NULL ); |
---|
| 783 | assert( newPic == NULL ); |
---|
[1321] | 784 | #endif |
---|
[1313] | 785 | // make the slice-pilot a real slice, and set up the slice-pilot for the next slice |
---|
| 786 | m_pcPic->allocateNewSlice(); |
---|
| 787 | assert(m_pcPic->getNumAllocatedSlice() == (m_uiSliceIdx + 1)); |
---|
| 788 | m_apcSlicePilot = m_pcPic->getPicSym()->swapSliceObject(m_apcSlicePilot, m_uiSliceIdx); |
---|
[608] | 789 | |
---|
[1313] | 790 | TComSlice *pSlice = m_pcPic->getSlice(m_uiSliceIdx); // we now have a real slice. |
---|
[1066] | 791 | |
---|
[1313] | 792 | const TComSPS *sps = pSlice->getSPS(); |
---|
| 793 | const TComPPS *pps = pSlice->getPPS(); |
---|
[56] | 794 | |
---|
[1313] | 795 | // check that the current active PPS has not changed... |
---|
| 796 | if (m_parameterSetManager.getSPSChangedFlag(sps->getSPSId()) ) |
---|
| 797 | { |
---|
| 798 | printf("Error - a new SPS has been decoded while processing a picture\n"); |
---|
| 799 | exit(1); |
---|
| 800 | } |
---|
| 801 | if (m_parameterSetManager.getPPSChangedFlag(pps->getPPSId()) ) |
---|
| 802 | { |
---|
| 803 | printf("Error - a new PPS has been decoded while processing a picture\n"); |
---|
| 804 | exit(1); |
---|
| 805 | } |
---|
[608] | 806 | |
---|
[1313] | 807 | xParsePrefixSEImessages(); |
---|
| 808 | |
---|
| 809 | // Check if any new SEI has arrived |
---|
[1321] | 810 | if(!m_SEIs.empty()) |
---|
| 811 | { |
---|
| 812 | // Currently only decoding Unit SEI message occurring between VCL NALUs copied |
---|
| 813 | SEIMessages &picSEI = m_pcPic->getSEIs(); |
---|
| 814 | SEIMessages decodingUnitInfos = extractSeisByType (m_SEIs, SEI::DECODING_UNIT_INFO); |
---|
| 815 | picSEI.insert(picSEI.end(), decodingUnitInfos.begin(), decodingUnitInfos.end()); |
---|
| 816 | deleteSEIs(m_SEIs); |
---|
| 817 | } |
---|
[1313] | 818 | } |
---|
| 819 | } |
---|
[1321] | 820 | |
---|
[1313] | 821 | Void TDecTop::xParsePrefixSEIsForUnknownVCLNal() |
---|
| 822 | { |
---|
| 823 | while (!m_prefixSEINALUs.empty()) |
---|
[2] | 824 | { |
---|
[1313] | 825 | // do nothing? |
---|
| 826 | printf("Discarding Prefix SEI associated with unknown VCL NAL unit.\n"); |
---|
| 827 | delete m_prefixSEINALUs.front(); |
---|
[2] | 828 | } |
---|
[1313] | 829 | // TODO: discard following suffix SEIs as well? |
---|
| 830 | } |
---|
[56] | 831 | |
---|
[1313] | 832 | |
---|
| 833 | Void TDecTop::xParsePrefixSEImessages() |
---|
| 834 | { |
---|
| 835 | while (!m_prefixSEINALUs.empty()) |
---|
[56] | 836 | { |
---|
[1313] | 837 | InputNALUnit &nalu=*m_prefixSEINALUs.front(); |
---|
| 838 | #if NH_MV |
---|
[1356] | 839 | m_seiReader.parseSEImessage(&(nalu.getBitstream()), m_SEIs, nalu.m_nalUnitType, m_parameterSetManager.getActiveVPS(), m_parameterSetManager.getActiveSPS(getLayerId()), m_pDecodedSEIOutputStream); |
---|
| 840 | #else |
---|
[1313] | 841 | m_seiReader.parseSEImessage( &(nalu.getBitstream()), m_SEIs, nalu.m_nalUnitType, m_parameterSetManager.getActiveSPS(), m_pDecodedSEIOutputStream ); |
---|
| 842 | #endif |
---|
| 843 | delete m_prefixSEINALUs.front(); |
---|
| 844 | m_prefixSEINALUs.pop_front(); |
---|
[56] | 845 | } |
---|
[2] | 846 | } |
---|
[56] | 847 | |
---|
[1321] | 848 | #if !NH_MV |
---|
[56] | 849 | Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay ) |
---|
[2] | 850 | { |
---|
[1313] | 851 | m_apcSlicePilot->initSlice(); // the slice pilot is an object to prepare for a new slice |
---|
[1321] | 852 | // it is not associated with picture, sps or pps structures. |
---|
[56] | 853 | if (m_bFirstSliceInPicture) |
---|
[2] | 854 | { |
---|
[1321] | 855 | #else |
---|
| 856 | Void TDecTop::decodeSliceHeader(InputNALUnit &nalu ) |
---|
| 857 | { |
---|
| 858 | // Initialize entropy decoder |
---|
| 859 | m_cEntropyDecoder.setEntropyDecoder (&m_cCavlcDecoder); |
---|
| 860 | m_cEntropyDecoder.setBitstream (&(nalu.getBitstream())); |
---|
| 861 | |
---|
[1356] | 862 | assert( nalu.m_nuhLayerId == m_layerId ); |
---|
[1321] | 863 | m_apcSlicePilot->initSlice(); // the slice pilot is an object to prepare for a new slice |
---|
| 864 | // it is not associated with picture, sps or pps structures. |
---|
[1356] | 865 | m_apcSlicePilot->setLayerId( nalu.m_nuhLayerId ); |
---|
| 866 | m_cEntropyDecoder.decodeFirstSliceSegmentInPicFlag( m_apcSlicePilot ); |
---|
[1321] | 867 | if ( m_apcSlicePilot->getFirstSliceSegementInPicFlag() ) |
---|
| 868 | { |
---|
[1356] | 869 | #endif |
---|
[1313] | 870 | m_uiSliceIdx = 0; |
---|
[2] | 871 | } |
---|
[872] | 872 | else |
---|
[56] | 873 | { |
---|
[1313] | 874 | m_apcSlicePilot->copySliceInfo( m_pcPic->getPicSym()->getSlice(m_uiSliceIdx-1) ); |
---|
[56] | 875 | } |
---|
[872] | 876 | m_apcSlicePilot->setSliceIdx(m_uiSliceIdx); |
---|
[2] | 877 | |
---|
[56] | 878 | m_apcSlicePilot->setNalUnitType(nalu.m_nalUnitType); |
---|
[608] | 879 | Bool nonReferenceFlag = (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N || |
---|
[1321] | 880 | m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N || |
---|
| 881 | m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N || |
---|
| 882 | m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N || |
---|
| 883 | m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N); |
---|
[608] | 884 | m_apcSlicePilot->setTemporalLayerNonReferenceFlag(nonReferenceFlag); |
---|
[1321] | 885 | #if !NH_MV |
---|
[608] | 886 | m_apcSlicePilot->setReferenced(true); // Putting this as true ensures that picture is referenced the first time it is in an RPS |
---|
[1321] | 887 | #endif |
---|
[56] | 888 | m_apcSlicePilot->setTLayerInfo(nalu.m_temporalId); |
---|
[1321] | 889 | #if NH_MV |
---|
| 890 | m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManager ); |
---|
| 891 | #else |
---|
[1313] | 892 | #if ENC_DEC_TRACE |
---|
| 893 | const UInt64 originalSymbolCount = g_nSymbolCounter; |
---|
| 894 | #endif |
---|
[1321] | 895 | m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManager, m_prevTid0POC); |
---|
| 896 | #endif |
---|
[1313] | 897 | |
---|
| 898 | #if NH_MV |
---|
[1321] | 899 | } |
---|
| 900 | #else |
---|
[655] | 901 | // set POC for dependent slices in skipped pictures |
---|
[1313] | 902 | if(m_apcSlicePilot->getDependentSliceSegmentFlag() && m_prevSliceSkipped) |
---|
[655] | 903 | { |
---|
| 904 | m_apcSlicePilot->setPOC(m_skippedPOC); |
---|
| 905 | } |
---|
| 906 | |
---|
[1313] | 907 | xUpdatePreviousTid0POC(m_apcSlicePilot); |
---|
[655] | 908 | m_apcSlicePilot->setAssociatedIRAPPOC(m_pocCRA); |
---|
| 909 | m_apcSlicePilot->setAssociatedIRAPType(m_associatedIRAPType); |
---|
[738] | 910 | |
---|
[1321] | 911 | |
---|
[964] | 912 | //For inference of NoOutputOfPriorPicsFlag |
---|
| 913 | if (m_apcSlicePilot->getRapPicFlag()) |
---|
| 914 | { |
---|
[1356] | 915 | if ((m_apcSlicePilot->getNalUnitType() >= NAL_UNIT_CODED_SLICE_BLA_W_LP && m_apcSlicePilot->getNalUnitType() <= NAL_UNIT_CODED_SLICE_IDR_N_LP) || |
---|
[964] | 916 | (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA && m_bFirstSliceInSequence) || |
---|
| 917 | (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA && m_apcSlicePilot->getHandleCraAsBlaFlag())) |
---|
[1321] | 918 | { |
---|
| 919 | m_apcSlicePilot->setNoRaslOutputFlag(true); |
---|
| 920 | } |
---|
[964] | 921 | //the inference for NoOutputPriorPicsFlag |
---|
| 922 | if (!m_bFirstSliceInBitstream && m_apcSlicePilot->getRapPicFlag() && m_apcSlicePilot->getNoRaslOutputFlag()) |
---|
| 923 | { |
---|
| 924 | if (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA) |
---|
| 925 | { |
---|
| 926 | m_apcSlicePilot->setNoOutputPriorPicsFlag(true); |
---|
| 927 | } |
---|
| 928 | } |
---|
| 929 | else |
---|
| 930 | { |
---|
[1356] | 931 | m_apcSlicePilot->setNoOutputPriorPicsFlag(false); |
---|
[964] | 932 | } |
---|
| 933 | |
---|
| 934 | if(m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA) |
---|
| 935 | { |
---|
| 936 | m_craNoRaslOutputFlag = m_apcSlicePilot->getNoRaslOutputFlag(); |
---|
| 937 | } |
---|
| 938 | } |
---|
| 939 | if (m_apcSlicePilot->getRapPicFlag() && m_apcSlicePilot->getNoOutputPriorPicsFlag()) |
---|
| 940 | { |
---|
| 941 | m_lastPOCNoOutputPriorPics = m_apcSlicePilot->getPOC(); |
---|
| 942 | m_isNoOutputPriorPics = true; |
---|
| 943 | } |
---|
| 944 | else |
---|
| 945 | { |
---|
| 946 | m_isNoOutputPriorPics = false; |
---|
| 947 | } |
---|
| 948 | |
---|
| 949 | //For inference of PicOutputFlag |
---|
| 950 | if (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_R) |
---|
| 951 | { |
---|
| 952 | if ( m_craNoRaslOutputFlag ) |
---|
| 953 | { |
---|
| 954 | m_apcSlicePilot->setPicOutputFlag(false); |
---|
| 955 | } |
---|
| 956 | } |
---|
[1356] | 957 | |
---|
[964] | 958 | if (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA && m_craNoRaslOutputFlag) //Reset POC MSB when CRA has NoRaslOutputFlag equal to 1 |
---|
| 959 | { |
---|
[1313] | 960 | TComPPS *pps = m_parameterSetManager.getPPS(m_apcSlicePilot->getPPSId()); |
---|
| 961 | assert (pps != 0); |
---|
| 962 | TComSPS *sps = m_parameterSetManager.getSPS(pps->getSPSId()); |
---|
| 963 | assert (sps != 0); |
---|
| 964 | Int iMaxPOClsb = 1 << sps->getBitsForPOC(); |
---|
[964] | 965 | m_apcSlicePilot->setPOC( m_apcSlicePilot->getPOC() & (iMaxPOClsb - 1) ); |
---|
[1313] | 966 | xUpdatePreviousTid0POC(m_apcSlicePilot); |
---|
[964] | 967 | } |
---|
[1313] | 968 | |
---|
| 969 | // Skip pictures due to random access |
---|
| 970 | if (isRandomAccessSkipPicture(iSkipFrame, iPOCLastDisplay)) |
---|
| 971 | { |
---|
[655] | 972 | m_prevSliceSkipped = true; |
---|
| 973 | m_skippedPOC = m_apcSlicePilot->getPOC(); |
---|
[1313] | 974 | return false; |
---|
| 975 | } |
---|
| 976 | // Skip TFD pictures associated with BLA/BLANT pictures |
---|
| 977 | if (isSkipPictureForBLA(iPOCLastDisplay)) |
---|
| 978 | { |
---|
[655] | 979 | m_prevSliceSkipped = true; |
---|
| 980 | m_skippedPOC = m_apcSlicePilot->getPOC(); |
---|
[1313] | 981 | return false; |
---|
| 982 | } |
---|
[608] | 983 | |
---|
[655] | 984 | // clear previous slice skipped flag |
---|
| 985 | m_prevSliceSkipped = false; |
---|
| 986 | |
---|
[608] | 987 | //we should only get a different poc for a new picture (with CTU address==0) |
---|
[1313] | 988 | if (!m_apcSlicePilot->getDependentSliceSegmentFlag() && m_apcSlicePilot->getPOC()!=m_prevPOC && !m_bFirstSliceInSequence && (m_apcSlicePilot->getSliceCurStartCtuTsAddr() != 0)) |
---|
[608] | 989 | { |
---|
| 990 | printf ("Warning, the first slice of a picture might have been lost!\n"); |
---|
[56] | 991 | } |
---|
[1313] | 992 | |
---|
[56] | 993 | // exit when a new picture is found |
---|
[1313] | 994 | if (!m_apcSlicePilot->getDependentSliceSegmentFlag() && (m_apcSlicePilot->getSliceCurStartCtuTsAddr() == 0 && !m_bFirstSliceInPicture) ) |
---|
[56] | 995 | { |
---|
| 996 | if (m_prevPOC >= m_pocRandomAccess) |
---|
| 997 | { |
---|
| 998 | m_prevPOC = m_apcSlicePilot->getPOC(); |
---|
[1321] | 999 | |
---|
[1313] | 1000 | #if ENC_DEC_TRACE |
---|
| 1001 | //rewind the trace counter since we didn't actually decode the slice |
---|
| 1002 | g_nSymbolCounter = originalSymbolCount; |
---|
| 1003 | #endif |
---|
[56] | 1004 | return true; |
---|
| 1005 | } |
---|
| 1006 | m_prevPOC = m_apcSlicePilot->getPOC(); |
---|
| 1007 | } |
---|
[1313] | 1008 | |
---|
| 1009 | //detect lost reference picture and insert copy of earlier frame. |
---|
[1179] | 1010 | { |
---|
[1313] | 1011 | Int lostPoc; |
---|
| 1012 | while((lostPoc=m_apcSlicePilot->checkThatAllRefPicsAreAvailable(m_cListPic, m_apcSlicePilot->getRPS(), true, m_pocRandomAccess)) > 0) |
---|
| 1013 | { |
---|
| 1014 | xCreateLostPicture(lostPoc-1); |
---|
| 1015 | } |
---|
[1179] | 1016 | } |
---|
| 1017 | |
---|
[1313] | 1018 | if (!m_apcSlicePilot->getDependentSliceSegmentFlag()) |
---|
[56] | 1019 | { |
---|
| 1020 | m_prevPOC = m_apcSlicePilot->getPOC(); |
---|
| 1021 | } |
---|
[1313] | 1022 | // actual decoding starts here |
---|
| 1023 | xActivateParameterSets(); |
---|
| 1024 | |
---|
[56] | 1025 | m_bFirstSliceInSequence = false; |
---|
[964] | 1026 | m_bFirstSliceInBitstream = false; |
---|
[2] | 1027 | |
---|
[42] | 1028 | |
---|
[1313] | 1029 | TComSlice* pcSlice = m_pcPic->getPicSym()->getSlice(m_uiSliceIdx); |
---|
[42] | 1030 | |
---|
[1321] | 1031 | #endif |
---|
[2] | 1032 | |
---|
[1321] | 1033 | #if NH_MV |
---|
| 1034 | Void TDecTop::decodeSliceSegment(InputNALUnit &nalu ) |
---|
| 1035 | { |
---|
| 1036 | TComSlice* pcSlice = m_pcPic->getPicSym()->getSlice(m_uiSliceIdx); |
---|
[56] | 1037 | |
---|
[1321] | 1038 | if ( m_pcPic->getHasGeneratedRefPics() ) |
---|
[56] | 1039 | { |
---|
[1321] | 1040 | if ( pcSlice->getFirstSliceSegementInPicFlag() ) |
---|
| 1041 | { |
---|
| 1042 | std::cout << std:: setfill(' ') |
---|
| 1043 | << "Layer " << std::setw(2) << m_pcPic->getLayerId() |
---|
| 1044 | << " POC " << std::setw(4) << m_pcPic->getPOC() |
---|
| 1045 | << " Reference pictures missing. Skipping picture." << std::endl; |
---|
| 1046 | } |
---|
[56] | 1047 | } |
---|
[1321] | 1048 | else |
---|
[56] | 1049 | { |
---|
[1321] | 1050 | //Check Multiview Main profile constraint in G.11.1.1 |
---|
[1356] | 1051 | // When ViewOrderIdx[ i ] derived according to any active VPS is equal to 1 |
---|
| 1052 | // for the layer with nuh_layer_id equal to i in subBitstream, |
---|
| 1053 | // inter_view_mv_vert_constraint_flag shall be equal to 1 |
---|
[1321] | 1054 | // in the sps_multilayer_extension( ) syntax structure in each active SPS for that layer. |
---|
| 1055 | if( pcSlice->getSPS()->getPTL()->getGeneralPTL()->getProfileIdc()==Profile::MULTIVIEWMAIN |
---|
| 1056 | && |
---|
[1356] | 1057 | pcSlice->getVPS()->getViewOrderIdx(pcSlice->getVPS()->getLayerIdInNuh(getLayerId()))==1 |
---|
[1321] | 1058 | ) |
---|
| 1059 | { |
---|
| 1060 | assert( pcSlice->getSPS()->getInterViewMvVertConstraintFlag()==1 ); |
---|
| 1061 | } |
---|
[622] | 1062 | |
---|
[1321] | 1063 | m_pcPic->setLayerId( nalu.m_nuhLayerId ); |
---|
| 1064 | m_pcPic->setViewId ( getViewId() ); |
---|
[1396] | 1065 | #if NH_3D || NH_3D_VSO |
---|
[1321] | 1066 | m_pcPic->setViewIndex( getViewIndex() ); |
---|
| 1067 | m_pcPic->setIsDepth ( getIsDepth () ); |
---|
[1356] | 1068 | pcSlice->setIvPicLists( m_dpb ); |
---|
[655] | 1069 | #endif |
---|
[210] | 1070 | #endif |
---|
[1356] | 1071 | |
---|
[1321] | 1072 | // When decoding the slice header, the stored start and end addresses were actually RS addresses, not TS addresses. |
---|
| 1073 | // Now, having set up the maps, convert them to the correct form. |
---|
| 1074 | pcSlice->setSliceSegmentCurStartCtuTsAddr( m_pcPic->getPicSym()->getCtuRsToTsAddrMap(pcSlice->getSliceSegmentCurStartCtuTsAddr()) ); |
---|
| 1075 | pcSlice->setSliceSegmentCurEndCtuTsAddr( m_pcPic->getPicSym()->getCtuRsToTsAddrMap(pcSlice->getSliceSegmentCurEndCtuTsAddr()) ); |
---|
| 1076 | if(!pcSlice->getDependentSliceSegmentFlag()) |
---|
[1066] | 1077 | { |
---|
[1321] | 1078 | pcSlice->setSliceCurStartCtuTsAddr(m_pcPic->getPicSym()->getCtuRsToTsAddrMap(pcSlice->getSliceCurStartCtuTsAddr())); |
---|
| 1079 | pcSlice->setSliceCurEndCtuTsAddr(m_pcPic->getPicSym()->getCtuRsToTsAddrMap(pcSlice->getSliceCurEndCtuTsAddr())); |
---|
[1066] | 1080 | } |
---|
| 1081 | |
---|
[1321] | 1082 | m_pcPic->setTLayer(nalu.m_temporalId); |
---|
| 1083 | |
---|
| 1084 | |
---|
| 1085 | if (!pcSlice->getDependentSliceSegmentFlag()) |
---|
[56] | 1086 | { |
---|
[1321] | 1087 | #if !NH_MV |
---|
| 1088 | pcSlice->checkCRA(pcSlice->getRPS(), m_pocCRA, m_associatedIRAPType, m_cListPic ); |
---|
| 1089 | // Set reference list |
---|
| 1090 | pcSlice->setRefPicList( m_cListPic, true ); |
---|
| 1091 | #else |
---|
| 1092 | if (pcSlice->getSliceType() != I_SLICE ) |
---|
[56] | 1093 | { |
---|
[1321] | 1094 | if( m_decProcPocAndRps == ANNEX_F ) |
---|
| 1095 | { |
---|
| 1096 | pcSlice->f834decProcForRefPicListConst(); |
---|
| 1097 | } |
---|
| 1098 | else if ( m_decProcPocAndRps == CLAUSE_8 ) |
---|
| 1099 | { |
---|
| 1100 | pcSlice->cl834DecProcForRefPicListConst(); |
---|
| 1101 | } |
---|
| 1102 | else |
---|
| 1103 | { |
---|
[1356] | 1104 | assert( false ); |
---|
[1321] | 1105 | } |
---|
[56] | 1106 | } |
---|
[1321] | 1107 | #if NH_3D_NBDV |
---|
| 1108 | pcSlice->setDefaultRefView(); |
---|
| 1109 | #endif |
---|
| 1110 | #if NH_3D_ARP |
---|
[1356] | 1111 | pcSlice->setPocsInCurrRPSs(); |
---|
[1321] | 1112 | pcSlice->setARPStepNum(m_dpb); |
---|
| 1113 | #endif |
---|
[1356] | 1114 | #endif |
---|
[56] | 1115 | |
---|
[1321] | 1116 | // For generalized B |
---|
| 1117 | // note: maybe not existed case (always L0 is copied to L1 if L1 is empty) |
---|
| 1118 | if (pcSlice->isInterB() && pcSlice->getNumRefIdx(REF_PIC_LIST_1) == 0) |
---|
[56] | 1119 | { |
---|
[1321] | 1120 | Int iNumRefIdx = pcSlice->getNumRefIdx(REF_PIC_LIST_0); |
---|
| 1121 | pcSlice->setNumRefIdx ( REF_PIC_LIST_1, iNumRefIdx ); |
---|
| 1122 | |
---|
| 1123 | for (Int iRefIdx = 0; iRefIdx < iNumRefIdx; iRefIdx++) |
---|
[21] | 1124 | { |
---|
[1321] | 1125 | pcSlice->setRefPic(pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx), REF_PIC_LIST_1, iRefIdx); |
---|
[21] | 1126 | } |
---|
[2] | 1127 | } |
---|
[1321] | 1128 | if (!pcSlice->isIntra()) |
---|
[56] | 1129 | { |
---|
[1321] | 1130 | Bool bLowDelay = true; |
---|
| 1131 | Int iCurrPOC = pcSlice->getPOC(); |
---|
| 1132 | Int iRefIdx = 0; |
---|
| 1133 | |
---|
| 1134 | for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_0) && bLowDelay; iRefIdx++) |
---|
[56] | 1135 | { |
---|
[1321] | 1136 | if ( pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx)->getPOC() > iCurrPOC ) |
---|
[608] | 1137 | { |
---|
| 1138 | bLowDelay = false; |
---|
| 1139 | } |
---|
[1313] | 1140 | } |
---|
[1321] | 1141 | if (pcSlice->isInterB()) |
---|
| 1142 | { |
---|
| 1143 | for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_1) && bLowDelay; iRefIdx++) |
---|
| 1144 | { |
---|
| 1145 | if ( pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx)->getPOC() > iCurrPOC ) |
---|
| 1146 | { |
---|
| 1147 | bLowDelay = false; |
---|
| 1148 | } |
---|
| 1149 | } |
---|
| 1150 | } |
---|
| 1151 | |
---|
| 1152 | pcSlice->setCheckLDC(bLowDelay); |
---|
[56] | 1153 | } |
---|
[2] | 1154 | |
---|
[1321] | 1155 | //--------------- |
---|
| 1156 | pcSlice->setRefPOCList(); |
---|
[1313] | 1157 | #if NH_3D_TMVP |
---|
[1321] | 1158 | if(pcSlice->getLayerId()) |
---|
| 1159 | { |
---|
| 1160 | pcSlice->generateAlterRefforTMVP(); |
---|
| 1161 | } |
---|
| 1162 | #endif |
---|
[1196] | 1163 | } |
---|
[56] | 1164 | |
---|
[1321] | 1165 | m_pcPic->setCurrSliceIdx(m_uiSliceIdx); |
---|
| 1166 | if(pcSlice->getSPS()->getScalingListFlag()) |
---|
[56] | 1167 | { |
---|
[1321] | 1168 | TComScalingList scalingList; |
---|
| 1169 | if(pcSlice->getPPS()->getScalingListPresentFlag()) |
---|
| 1170 | { |
---|
| 1171 | scalingList = pcSlice->getPPS()->getScalingList(); |
---|
| 1172 | } |
---|
| 1173 | else if (pcSlice->getSPS()->getScalingListPresentFlag()) |
---|
| 1174 | { |
---|
| 1175 | scalingList = pcSlice->getSPS()->getScalingList(); |
---|
| 1176 | } |
---|
| 1177 | else |
---|
| 1178 | { |
---|
| 1179 | scalingList.setDefaultScalingList(); |
---|
| 1180 | } |
---|
| 1181 | m_cTrQuant.setScalingListDec(scalingList); |
---|
| 1182 | m_cTrQuant.setUseScalingList(true); |
---|
[56] | 1183 | } |
---|
[1313] | 1184 | else |
---|
| 1185 | { |
---|
[1321] | 1186 | const Int maxLog2TrDynamicRange[MAX_NUM_CHANNEL_TYPE] = |
---|
| 1187 | { |
---|
[1313] | 1188 | pcSlice->getSPS()->getMaxLog2TrDynamicRange(CHANNEL_TYPE_LUMA), |
---|
| 1189 | pcSlice->getSPS()->getMaxLog2TrDynamicRange(CHANNEL_TYPE_CHROMA) |
---|
[1321] | 1190 | }; |
---|
| 1191 | m_cTrQuant.setFlatScalingList(maxLog2TrDynamicRange, pcSlice->getSPS()->getBitDepths()); |
---|
| 1192 | m_cTrQuant.setUseScalingList(false); |
---|
| 1193 | } |
---|
[2] | 1194 | |
---|
[1321] | 1195 | #if NH_3D |
---|
| 1196 | if ( decProcAnnexI() ) |
---|
| 1197 | { |
---|
[1356] | 1198 | pcSlice->checkInCompPredRefLayers(); |
---|
[1321] | 1199 | } |
---|
[1066] | 1200 | #endif |
---|
[1321] | 1201 | |
---|
| 1202 | // Decode a picture |
---|
| 1203 | m_cGopDecoder.decompressSlice(&(nalu.getBitstream()), m_pcPic); |
---|
| 1204 | |
---|
| 1205 | #if NH_3D |
---|
| 1206 | if( m_pcCamParsCollector ) |
---|
| 1207 | { |
---|
| 1208 | m_pcCamParsCollector->setSlice( pcSlice ); |
---|
| 1209 | } |
---|
[724] | 1210 | #endif |
---|
| 1211 | |
---|
[1321] | 1212 | #if !NH_MV |
---|
| 1213 | m_bFirstSliceInPicture = false; |
---|
| 1214 | #else |
---|
[57] | 1215 | } |
---|
[758] | 1216 | #endif |
---|
[56] | 1217 | m_uiSliceIdx++; |
---|
| 1218 | |
---|
[1321] | 1219 | #if !NH_MV |
---|
[56] | 1220 | return false; |
---|
[1321] | 1221 | #endif |
---|
[56] | 1222 | } |
---|
| 1223 | |
---|
[1321] | 1224 | |
---|
[1313] | 1225 | Void TDecTop::xDecodeVPS(const std::vector<UChar> &naluData) |
---|
[77] | 1226 | { |
---|
| 1227 | TComVPS* vps = new TComVPS(); |
---|
[1313] | 1228 | |
---|
[77] | 1229 | m_cEntropyDecoder.decodeVPS( vps ); |
---|
[1313] | 1230 | m_parameterSetManager.storeVPS(vps, naluData); |
---|
[77] | 1231 | } |
---|
[56] | 1232 | |
---|
[1313] | 1233 | Void TDecTop::xDecodeSPS(const std::vector<UChar> &naluData) |
---|
[56] | 1234 | { |
---|
| 1235 | TComSPS* sps = new TComSPS(); |
---|
[1313] | 1236 | #if NH_MV |
---|
[1356] | 1237 | sps->setLayerId( getLayerId() ); |
---|
[608] | 1238 | #endif |
---|
[1313] | 1239 | #if O0043_BEST_EFFORT_DECODING |
---|
| 1240 | sps->setForceDecodeBitDepth(m_forceDecodeBitDepth); |
---|
| 1241 | #endif |
---|
| 1242 | #if NH_3D |
---|
| 1243 | // GT: Please don't add parsing dependency of SPS from VPS here again!!! |
---|
| 1244 | #endif |
---|
[1124] | 1245 | m_cEntropyDecoder.decodeSPS( sps ); |
---|
[1313] | 1246 | m_parameterSetManager.storeSPS(sps, naluData); |
---|
[56] | 1247 | } |
---|
[2] | 1248 | |
---|
[1313] | 1249 | Void TDecTop::xDecodePPS(const std::vector<UChar> &naluData) |
---|
[56] | 1250 | { |
---|
| 1251 | TComPPS* pps = new TComPPS(); |
---|
[1313] | 1252 | #if NH_MV |
---|
[1356] | 1253 | pps->setLayerId( getLayerId() ); |
---|
[622] | 1254 | #endif |
---|
[1313] | 1255 | #if NH_3D_DLT |
---|
| 1256 | // create mapping from depth layer indexes to layer ids |
---|
| 1257 | Int j=0; |
---|
| 1258 | for( Int i=0; i<=m_parameterSetManager.getFirstVPS()->getMaxLayersMinus1(); i++ ) |
---|
[608] | 1259 | { |
---|
[1313] | 1260 | Int layerId = m_parameterSetManager.getFirstVPS()->getLayerIdInNuh(i); |
---|
| 1261 | if( m_parameterSetManager.getFirstVPS()->getDepthId(layerId) ) |
---|
| 1262 | pps->getDLT()->setDepthIdxToLayerId(j++, layerId); |
---|
[608] | 1263 | } |
---|
[622] | 1264 | #endif |
---|
[1313] | 1265 | m_cEntropyDecoder.decodePPS( pps ); |
---|
| 1266 | |
---|
| 1267 | m_parameterSetManager.storePPS( pps, naluData); |
---|
[56] | 1268 | } |
---|
[2] | 1269 | |
---|
[1313] | 1270 | #if NH_MV |
---|
[1321] | 1271 | Bool TDecTop::decodeNonVclNalu(InputNALUnit& nalu ) |
---|
[738] | 1272 | #else |
---|
[56] | 1273 | Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay) |
---|
[608] | 1274 | #endif |
---|
[56] | 1275 | { |
---|
[1313] | 1276 | #if !NH_MV |
---|
| 1277 | // ignore all NAL units of layers > 0 |
---|
| 1278 | if (nalu.m_nuhLayerId > 0) |
---|
| 1279 | { |
---|
| 1280 | fprintf (stderr, "Warning: found NAL unit with nuh_layer_id equal to %d. Ignoring.\n", nalu.m_nuhLayerId); |
---|
| 1281 | return false; |
---|
| 1282 | } |
---|
| 1283 | #endif |
---|
[56] | 1284 | // Initialize entropy decoder |
---|
| 1285 | m_cEntropyDecoder.setEntropyDecoder (&m_cCavlcDecoder); |
---|
[1313] | 1286 | m_cEntropyDecoder.setBitstream (&(nalu.getBitstream())); |
---|
[2] | 1287 | |
---|
[56] | 1288 | switch (nalu.m_nalUnitType) |
---|
| 1289 | { |
---|
[77] | 1290 | case NAL_UNIT_VPS: |
---|
[1313] | 1291 | xDecodeVPS(nalu.getBitstream().getFifo()); |
---|
[77] | 1292 | return false; |
---|
[1313] | 1293 | |
---|
[56] | 1294 | case NAL_UNIT_SPS: |
---|
[1313] | 1295 | xDecodeSPS(nalu.getBitstream().getFifo()); |
---|
[56] | 1296 | return false; |
---|
| 1297 | |
---|
| 1298 | case NAL_UNIT_PPS: |
---|
[1313] | 1299 | xDecodePPS(nalu.getBitstream().getFifo()); |
---|
[56] | 1300 | return false; |
---|
[1313] | 1301 | |
---|
[608] | 1302 | case NAL_UNIT_PREFIX_SEI: |
---|
[1313] | 1303 | // Buffer up prefix SEI messages until SPS of associated VCL is known. |
---|
| 1304 | m_prefixSEINALUs.push_back(new InputNALUnit(nalu)); |
---|
| 1305 | return false; |
---|
| 1306 | |
---|
[608] | 1307 | case NAL_UNIT_SUFFIX_SEI: |
---|
[1313] | 1308 | if (m_pcPic) |
---|
| 1309 | { |
---|
| 1310 | #if NH_MV |
---|
[1356] | 1311 | m_seiReader.parseSEImessage( &(nalu.getBitstream()), m_pcPic->getSEIs(), nalu.m_nalUnitType, m_parameterSetManager.getActiveVPS(), m_parameterSetManager.getActiveSPS(getLayerId()), m_pDecodedSEIOutputStream); |
---|
[1313] | 1312 | #else |
---|
| 1313 | m_seiReader.parseSEImessage( &(nalu.getBitstream()), m_pcPic->getSEIs(), nalu.m_nalUnitType, m_parameterSetManager.getActiveSPS(), m_pDecodedSEIOutputStream ); |
---|
| 1314 | #endif |
---|
| 1315 | } |
---|
| 1316 | else |
---|
| 1317 | { |
---|
| 1318 | printf ("Note: received suffix SEI but no picture currently active.\n"); |
---|
| 1319 | } |
---|
[56] | 1320 | return false; |
---|
| 1321 | |
---|
[608] | 1322 | case NAL_UNIT_CODED_SLICE_TRAIL_R: |
---|
| 1323 | case NAL_UNIT_CODED_SLICE_TRAIL_N: |
---|
[872] | 1324 | case NAL_UNIT_CODED_SLICE_TSA_R: |
---|
[608] | 1325 | case NAL_UNIT_CODED_SLICE_TSA_N: |
---|
| 1326 | case NAL_UNIT_CODED_SLICE_STSA_R: |
---|
| 1327 | case NAL_UNIT_CODED_SLICE_STSA_N: |
---|
| 1328 | case NAL_UNIT_CODED_SLICE_BLA_W_LP: |
---|
| 1329 | case NAL_UNIT_CODED_SLICE_BLA_W_RADL: |
---|
| 1330 | case NAL_UNIT_CODED_SLICE_BLA_N_LP: |
---|
| 1331 | case NAL_UNIT_CODED_SLICE_IDR_W_RADL: |
---|
| 1332 | case NAL_UNIT_CODED_SLICE_IDR_N_LP: |
---|
[56] | 1333 | case NAL_UNIT_CODED_SLICE_CRA: |
---|
[608] | 1334 | case NAL_UNIT_CODED_SLICE_RADL_N: |
---|
| 1335 | case NAL_UNIT_CODED_SLICE_RADL_R: |
---|
| 1336 | case NAL_UNIT_CODED_SLICE_RASL_N: |
---|
| 1337 | case NAL_UNIT_CODED_SLICE_RASL_R: |
---|
[1313] | 1338 | #if NH_MV |
---|
[1356] | 1339 | assert( false ); |
---|
| 1340 | return 1; |
---|
[738] | 1341 | #else |
---|
[56] | 1342 | return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay); |
---|
[608] | 1343 | #endif |
---|
[2] | 1344 | break; |
---|
[1313] | 1345 | |
---|
[872] | 1346 | case NAL_UNIT_EOS: |
---|
[1321] | 1347 | #if !NH_MV |
---|
[872] | 1348 | m_associatedIRAPType = NAL_UNIT_INVALID; |
---|
| 1349 | m_pocCRA = 0; |
---|
| 1350 | m_pocRandomAccess = MAX_INT; |
---|
| 1351 | m_prevPOC = MAX_INT; |
---|
| 1352 | m_prevSliceSkipped = false; |
---|
| 1353 | m_skippedPOC = 0; |
---|
[1321] | 1354 | #endif |
---|
[872] | 1355 | return false; |
---|
[1313] | 1356 | |
---|
[872] | 1357 | case NAL_UNIT_ACCESS_UNIT_DELIMITER: |
---|
[1313] | 1358 | { |
---|
| 1359 | AUDReader audReader; |
---|
| 1360 | UInt picType; |
---|
| 1361 | audReader.parseAccessUnitDelimiter(&(nalu.getBitstream()),picType); |
---|
| 1362 | printf ("Note: found NAL_UNIT_ACCESS_UNIT_DELIMITER\n"); |
---|
[872] | 1363 | return false; |
---|
[1313] | 1364 | } |
---|
| 1365 | |
---|
[872] | 1366 | case NAL_UNIT_EOB: |
---|
| 1367 | return false; |
---|
[1313] | 1368 | |
---|
[964] | 1369 | case NAL_UNIT_FILLER_DATA: |
---|
[1313] | 1370 | { |
---|
| 1371 | FDReader fdReader; |
---|
| 1372 | UInt size; |
---|
| 1373 | fdReader.parseFillerData(&(nalu.getBitstream()),size); |
---|
| 1374 | printf ("Note: found NAL_UNIT_FILLER_DATA with %u bytes payload.\n", size); |
---|
[964] | 1375 | return false; |
---|
[1313] | 1376 | } |
---|
| 1377 | |
---|
[872] | 1378 | case NAL_UNIT_RESERVED_VCL_N10: |
---|
| 1379 | case NAL_UNIT_RESERVED_VCL_R11: |
---|
| 1380 | case NAL_UNIT_RESERVED_VCL_N12: |
---|
| 1381 | case NAL_UNIT_RESERVED_VCL_R13: |
---|
| 1382 | case NAL_UNIT_RESERVED_VCL_N14: |
---|
| 1383 | case NAL_UNIT_RESERVED_VCL_R15: |
---|
[1313] | 1384 | |
---|
[872] | 1385 | case NAL_UNIT_RESERVED_IRAP_VCL22: |
---|
| 1386 | case NAL_UNIT_RESERVED_IRAP_VCL23: |
---|
[1313] | 1387 | |
---|
[872] | 1388 | case NAL_UNIT_RESERVED_VCL24: |
---|
| 1389 | case NAL_UNIT_RESERVED_VCL25: |
---|
| 1390 | case NAL_UNIT_RESERVED_VCL26: |
---|
| 1391 | case NAL_UNIT_RESERVED_VCL27: |
---|
| 1392 | case NAL_UNIT_RESERVED_VCL28: |
---|
| 1393 | case NAL_UNIT_RESERVED_VCL29: |
---|
| 1394 | case NAL_UNIT_RESERVED_VCL30: |
---|
| 1395 | case NAL_UNIT_RESERVED_VCL31: |
---|
[1313] | 1396 | printf ("Note: found reserved VCL NAL unit.\n"); |
---|
| 1397 | xParsePrefixSEIsForUnknownVCLNal(); |
---|
| 1398 | return false; |
---|
| 1399 | |
---|
[872] | 1400 | case NAL_UNIT_RESERVED_NVCL41: |
---|
| 1401 | case NAL_UNIT_RESERVED_NVCL42: |
---|
| 1402 | case NAL_UNIT_RESERVED_NVCL43: |
---|
| 1403 | case NAL_UNIT_RESERVED_NVCL44: |
---|
| 1404 | case NAL_UNIT_RESERVED_NVCL45: |
---|
| 1405 | case NAL_UNIT_RESERVED_NVCL46: |
---|
| 1406 | case NAL_UNIT_RESERVED_NVCL47: |
---|
[1313] | 1407 | printf ("Note: found reserved NAL unit.\n"); |
---|
| 1408 | return false; |
---|
[872] | 1409 | case NAL_UNIT_UNSPECIFIED_48: |
---|
| 1410 | case NAL_UNIT_UNSPECIFIED_49: |
---|
| 1411 | case NAL_UNIT_UNSPECIFIED_50: |
---|
| 1412 | case NAL_UNIT_UNSPECIFIED_51: |
---|
| 1413 | case NAL_UNIT_UNSPECIFIED_52: |
---|
| 1414 | case NAL_UNIT_UNSPECIFIED_53: |
---|
| 1415 | case NAL_UNIT_UNSPECIFIED_54: |
---|
| 1416 | case NAL_UNIT_UNSPECIFIED_55: |
---|
| 1417 | case NAL_UNIT_UNSPECIFIED_56: |
---|
| 1418 | case NAL_UNIT_UNSPECIFIED_57: |
---|
| 1419 | case NAL_UNIT_UNSPECIFIED_58: |
---|
| 1420 | case NAL_UNIT_UNSPECIFIED_59: |
---|
| 1421 | case NAL_UNIT_UNSPECIFIED_60: |
---|
| 1422 | case NAL_UNIT_UNSPECIFIED_61: |
---|
| 1423 | case NAL_UNIT_UNSPECIFIED_62: |
---|
| 1424 | case NAL_UNIT_UNSPECIFIED_63: |
---|
[1313] | 1425 | printf ("Note: found unspecified NAL unit.\n"); |
---|
| 1426 | return false; |
---|
[2] | 1427 | default: |
---|
[872] | 1428 | assert (0); |
---|
[1313] | 1429 | break; |
---|
[2] | 1430 | } |
---|
| 1431 | |
---|
| 1432 | return false; |
---|
| 1433 | } |
---|
| 1434 | |
---|
[1321] | 1435 | #if !NH_MV |
---|
[608] | 1436 | /** Function for checking if picture should be skipped because of association with a previous BLA picture |
---|
| 1437 | * \param iPOCLastDisplay POC of last picture displayed |
---|
| 1438 | * \returns true if the picture should be skipped |
---|
| 1439 | * This function skips all TFD pictures that follow a BLA picture |
---|
| 1440 | * in decoding order and precede it in output order. |
---|
| 1441 | */ |
---|
| 1442 | Bool TDecTop::isSkipPictureForBLA(Int& iPOCLastDisplay) |
---|
[210] | 1443 | { |
---|
[1313] | 1444 | if ((m_associatedIRAPType == NAL_UNIT_CODED_SLICE_BLA_N_LP || m_associatedIRAPType == NAL_UNIT_CODED_SLICE_BLA_W_LP || m_associatedIRAPType == NAL_UNIT_CODED_SLICE_BLA_W_RADL) && |
---|
[655] | 1445 | m_apcSlicePilot->getPOC() < m_pocCRA && (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_R || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N)) |
---|
[608] | 1446 | { |
---|
| 1447 | iPOCLastDisplay++; |
---|
| 1448 | return true; |
---|
| 1449 | } |
---|
| 1450 | return false; |
---|
[210] | 1451 | } |
---|
| 1452 | |
---|
[2] | 1453 | /** Function for checking if picture should be skipped because of random access |
---|
| 1454 | * \param iSkipFrame skip frame counter |
---|
| 1455 | * \param iPOCLastDisplay POC of last picture displayed |
---|
| 1456 | * \returns true if the picture shold be skipped in the random access. |
---|
| 1457 | * This function checks the skipping of pictures in the case of -s option random access. |
---|
| 1458 | * All pictures prior to the random access point indicated by the counter iSkipFrame are skipped. |
---|
| 1459 | * It also checks the type of Nal unit type at the random access point. |
---|
[608] | 1460 | * If the random access point is CRA/CRANT/BLA/BLANT, TFD pictures with POC less than the POC of the random access point are skipped. |
---|
[2] | 1461 | * If the random access point is IDR all pictures after the random access point are decoded. |
---|
[1313] | 1462 | * If the random access point is none of the above, a warning is issues, and decoding of pictures with POC |
---|
| 1463 | * equal to or greater than the random access point POC is attempted. For non IDR/CRA/BLA random |
---|
[2] | 1464 | * access point there is no guarantee that the decoder will not crash. |
---|
| 1465 | */ |
---|
[1313] | 1466 | Bool TDecTop::isRandomAccessSkipPicture(Int& iSkipFrame, Int& iPOCLastDisplay ) |
---|
[2] | 1467 | { |
---|
[1313] | 1468 | if (iSkipFrame) |
---|
[2] | 1469 | { |
---|
| 1470 | iSkipFrame--; // decrement the counter |
---|
| 1471 | return true; |
---|
| 1472 | } |
---|
[56] | 1473 | else if (m_pocRandomAccess == MAX_INT) // start of random access point, m_pocRandomAccess has not been set yet. |
---|
[2] | 1474 | { |
---|
[608] | 1475 | if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA |
---|
| 1476 | || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP |
---|
| 1477 | || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP |
---|
| 1478 | || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL ) |
---|
[2] | 1479 | { |
---|
[738] | 1480 | |
---|
[608] | 1481 | // set the POC random access since we need to skip the reordered pictures in the case of CRA/CRANT/BLA/BLANT. |
---|
| 1482 | m_pocRandomAccess = m_apcSlicePilot->getPOC(); |
---|
[2] | 1483 | } |
---|
[608] | 1484 | else if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP ) |
---|
[2] | 1485 | { |
---|
[738] | 1486 | m_pocRandomAccess = -MAX_INT; // no need to skip the reordered pictures in IDR, they are decodable. |
---|
| 1487 | } |
---|
[1313] | 1488 | else |
---|
[738] | 1489 | { |
---|
[1313] | 1490 | if(!m_warningMessageSkipPicture) |
---|
[56] | 1491 | { |
---|
| 1492 | printf("\nWarning: this is not a valid random access point and the data is discarded until the first CRA picture"); |
---|
[1313] | 1493 | m_warningMessageSkipPicture = true; |
---|
[56] | 1494 | } |
---|
| 1495 | return true; |
---|
[2] | 1496 | } |
---|
| 1497 | } |
---|
[608] | 1498 | // skip the reordered pictures, if necessary |
---|
| 1499 | else if (m_apcSlicePilot->getPOC() < m_pocRandomAccess && (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_R || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N)) |
---|
[2] | 1500 | { |
---|
| 1501 | iPOCLastDisplay++; |
---|
| 1502 | return true; |
---|
| 1503 | } |
---|
[1313] | 1504 | // if we reach here, then the picture is not skipped. |
---|
| 1505 | return false; |
---|
[2] | 1506 | } |
---|
[1321] | 1507 | |
---|
| 1508 | #else |
---|
| 1509 | |
---|
| 1510 | Int TDecTop::preDecodePoc( Bool firstPicInLayerDecodedFlag, Bool isFstPicOfAllLayOfPocResetPer, Bool isPocResettingPicture ) |
---|
[56] | 1511 | { |
---|
[1321] | 1512 | //Output of this process is PicOrderCntVal, the picture order count of the current picture. |
---|
[1356] | 1513 | // Picture order counts are used to identify pictures, for deriving motion parameters in merge mode and |
---|
[1321] | 1514 | // motion vector prediction and for decoder conformance checking (see clause F.13.5). |
---|
| 1515 | |
---|
| 1516 | // Each coded picture is associated with a picture order count variable, denoted as PicOrderCntVal. |
---|
| 1517 | |
---|
| 1518 | TComSlice* slice = m_apcSlicePilot; |
---|
| 1519 | const Int nuhLayerId = slice->getLayerId(); |
---|
[1356] | 1520 | const TComVPS* vps = slice->getVPS(); |
---|
| 1521 | const TComSPS* sps = slice->getSPS(); |
---|
[1321] | 1522 | |
---|
[1356] | 1523 | Int pocDecrementedInDpbFlag = m_pocDecrementedInDpbFlag[ nuhLayerId ]; |
---|
[1321] | 1524 | |
---|
| 1525 | if ( isFstPicOfAllLayOfPocResetPer ) |
---|
[608] | 1526 | { |
---|
[1356] | 1527 | // When the current picture is the first picture among all layers of a POC resetting period, |
---|
[1321] | 1528 | // the variable PocDecrementedInDPBFlag[ i ] is set equal to 0 for each value of i in the range of 0 to 62, inclusive. |
---|
[1356] | 1529 | pocDecrementedInDpbFlag = false; |
---|
[1321] | 1530 | } |
---|
| 1531 | |
---|
| 1532 | // The variable pocResettingFlag is derived as follows: |
---|
[1356] | 1533 | Bool pocResettingFlag; |
---|
[1321] | 1534 | if ( isPocResettingPicture ) |
---|
| 1535 | { |
---|
[1356] | 1536 | //- If the current picture is a POC resetting picture, the following applies: |
---|
[1321] | 1537 | if( vps->getVpsPocLsbAlignedFlag() ) |
---|
[608] | 1538 | { |
---|
[1321] | 1539 | // - If vps_poc_lsb_aligned_flag is equal to 0, pocResettingFlag is set equal to 1. |
---|
[1356] | 1540 | pocResettingFlag = true; |
---|
[608] | 1541 | } |
---|
[1321] | 1542 | else if ( pocDecrementedInDpbFlag ) |
---|
| 1543 | { |
---|
| 1544 | // - Otherwise, if PocDecrementedInDPBFlag[ nuh_layer_id ] is equal to 1, pocResettingFlag is set equal to 0. |
---|
[1356] | 1545 | pocResettingFlag = false; |
---|
[1321] | 1546 | } |
---|
| 1547 | else |
---|
| 1548 | { |
---|
| 1549 | // - Otherwise, pocResettingFlag is set equal to 1. |
---|
[1356] | 1550 | pocResettingFlag = true; |
---|
[1321] | 1551 | } |
---|
[608] | 1552 | } |
---|
[1321] | 1553 | else |
---|
| 1554 | { |
---|
| 1555 | // - Otherwise, pocResettingFlag is set equal to 0. |
---|
[1356] | 1556 | pocResettingFlag = false; |
---|
[1321] | 1557 | } |
---|
| 1558 | |
---|
[1356] | 1559 | Int picOrderCntMsb; |
---|
| 1560 | Int picOrderCntVal; |
---|
[1321] | 1561 | |
---|
| 1562 | // Depending on pocResettingFlag, the following applies: |
---|
| 1563 | if ( pocResettingFlag ) |
---|
| 1564 | { |
---|
| 1565 | //- The PicOrderCntVal of the current picture is derived as follows: |
---|
| 1566 | if( slice->getPocResetIdc() == 1 ) |
---|
| 1567 | { |
---|
[1356] | 1568 | picOrderCntVal = slice->getSlicePicOrderCntLsb(); |
---|
[1321] | 1569 | } |
---|
[1356] | 1570 | else if (slice->getPocResetIdc() == 2 ) |
---|
[1321] | 1571 | { |
---|
[1356] | 1572 | picOrderCntVal = 0; |
---|
[1321] | 1573 | } |
---|
| 1574 | else |
---|
| 1575 | { |
---|
[1356] | 1576 | picOrderCntMsb = xGetCurrMsb( slice->getSlicePicOrderCntLsb(), slice->getFullPocResetFlag() ? 0 : slice->getPocLsbVal(), 0, sps->getMaxPicOrderCntLsb() ); |
---|
| 1577 | picOrderCntVal = picOrderCntMsb + slice->getSlicePicOrderCntLsb(); |
---|
[1321] | 1578 | } |
---|
| 1579 | } |
---|
| 1580 | else |
---|
| 1581 | { |
---|
| 1582 | //- Otherwise (pocResettingFlag is equal to 0), the following applies: |
---|
| 1583 | //- The PicOrderCntVal of the current picture is derived as follows: |
---|
| 1584 | |
---|
| 1585 | if( slice->getPocMsbCycleValPresentFlag() ) |
---|
| 1586 | { |
---|
[1356] | 1587 | picOrderCntMsb = slice->getPocMsbCycleVal() * sps->getMaxPicOrderCntLsb(); |
---|
[1321] | 1588 | } |
---|
| 1589 | else if( !firstPicInLayerDecodedFlag || |
---|
| 1590 | slice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || slice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL ) |
---|
| 1591 | { |
---|
| 1592 | picOrderCntMsb = 0; // (F 62) |
---|
[1356] | 1593 | } |
---|
[1321] | 1594 | else |
---|
| 1595 | { |
---|
| 1596 | Int prevPicOrderCntLsb = m_prevPicOrderCnt & ( sps->getMaxPicOrderCntLsb() - 1 ); |
---|
[1356] | 1597 | Int prevPicOrderCntMsb = m_prevPicOrderCnt - prevPicOrderCntLsb; |
---|
| 1598 | picOrderCntMsb = xGetCurrMsb( slice->getSlicePicOrderCntLsb(), prevPicOrderCntLsb, prevPicOrderCntMsb, sps->getMaxPicOrderCntLsb() ); |
---|
[1321] | 1599 | } |
---|
[1356] | 1600 | picOrderCntVal = picOrderCntMsb + slice->getSlicePicOrderCntLsb(); |
---|
| 1601 | } |
---|
[1321] | 1602 | return picOrderCntVal; |
---|
[56] | 1603 | } |
---|
[2] | 1604 | |
---|
[1321] | 1605 | Void TDecTop::inferPocResetPeriodId() |
---|
| 1606 | { |
---|
| 1607 | // Infer PocResetPeriodId |
---|
| 1608 | // When not present, the value of poc_reset_period_id is inferred as follows: |
---|
| 1609 | |
---|
| 1610 | if ( !m_apcSlicePilot->getHasPocResetPeriodIdPresent() ) |
---|
| 1611 | { |
---|
| 1612 | if ( m_lastPresentPocResetIdc[ m_apcSlicePilot->getLayerId() ] != MIN_INT ) |
---|
| 1613 | { |
---|
[1356] | 1614 | // - If the previous picture picA that has poc_reset_period_id present in the slice segment header is present in the same layer |
---|
| 1615 | // of the bitstream as the current picture, the value of poc_reset_period_id is inferred to be equal to the value of the |
---|
[1321] | 1616 | // poc_reset_period_id of picA. |
---|
| 1617 | |
---|
[1356] | 1618 | m_apcSlicePilot->setPocResetPeriodId( m_lastPresentPocResetIdc[ m_apcSlicePilot->getLayerId() ] ); |
---|
[1321] | 1619 | } |
---|
| 1620 | else |
---|
| 1621 | { |
---|
| 1622 | //- Otherwise, the value of poc_reset_period_id is inferred to be equal to 0. |
---|
[1356] | 1623 | m_apcSlicePilot->setPocResetPeriodId( 0 ); |
---|
[1321] | 1624 | } |
---|
| 1625 | } |
---|
| 1626 | else |
---|
| 1627 | { |
---|
[1356] | 1628 | m_lastPresentPocResetIdc[ m_apcSlicePilot->getLayerId() ] = m_apcSlicePilot->getPocResetPeriodId(); |
---|
[1321] | 1629 | } |
---|
| 1630 | } |
---|
| 1631 | |
---|
| 1632 | |
---|
| 1633 | Void TDecTop::decodePocAndRps( ) |
---|
[1356] | 1634 | { |
---|
[1321] | 1635 | assert( m_uiSliceIdx == 0 ); |
---|
| 1636 | Int nuhLayerId = m_pcPic->getLayerId(); |
---|
| 1637 | if ( m_decProcPocAndRps == CLAUSE_8 ) |
---|
| 1638 | { |
---|
| 1639 | // 8.1.3 Decoding process for a coded picture with nuh_layer_id equal to 0 |
---|
| 1640 | |
---|
[1356] | 1641 | // Variables and functions relating to picture order count are derived as |
---|
| 1642 | // specified in clause 8.3.1. This needs to be invoked only for the first slice |
---|
[1321] | 1643 | // segment of a picture. |
---|
| 1644 | x831DecProcForPicOrderCount( ); |
---|
| 1645 | |
---|
[1356] | 1646 | // The decoding process for RPS in clause 8.3.2 is invoked, wherein reference |
---|
| 1647 | // pictures may be marked as "unused for reference" or "used for long-term |
---|
| 1648 | // reference". This needs to be invoked only for the first slice segment of a |
---|
[1321] | 1649 | // picture. |
---|
| 1650 | x832DecProcForRefPicSet ( false ); |
---|
| 1651 | } |
---|
| 1652 | else if( m_decProcPocAndRps == ANNEX_F ) |
---|
| 1653 | { |
---|
| 1654 | // F.8.1.3 Common decoding process for a coded picture |
---|
| 1655 | |
---|
| 1656 | if (nuhLayerId == 0 ) |
---|
| 1657 | { |
---|
| 1658 | // F.8.1.4 Decoding process for a coded picture with nuh_layer_id equal to |
---|
| 1659 | // --> Clause 8.1.3 is invoked with replacments of 8.3.1, 8.3.2, and 8.3.3 by F.8.3.1, 8.3.2, and 8.3.3 |
---|
| 1660 | |
---|
[1356] | 1661 | // Variables and functions relating to picture order count are derived as |
---|
| 1662 | // specified in clause 8.3.1. This needs to be invoked only for the first slice |
---|
[1321] | 1663 | // segment of a picture. |
---|
| 1664 | xF831DecProcForPicOrderCount( ); |
---|
| 1665 | |
---|
[1356] | 1666 | // The decoding process for RPS in clause 8.3.2 is invoked, wherein reference |
---|
| 1667 | // pictures may be marked as "unused for reference" or "used for long-term |
---|
| 1668 | // reference". This needs to be invoked only for the first slice segment of a |
---|
[1321] | 1669 | // picture. |
---|
| 1670 | xF832DecProcForRefPicSet( ); |
---|
| 1671 | } |
---|
| 1672 | else |
---|
| 1673 | { |
---|
| 1674 | // F.8.1.5 Decoding process for starting the decoding of a coded picture with |
---|
| 1675 | // nuh_layer_id greater than 0 |
---|
| 1676 | |
---|
[1356] | 1677 | // Variables and functions relating to picture order count are derived in clause F.8.3.1. |
---|
| 1678 | // This needs to be invoked only for the first slice segment of a picture. It is a requirement |
---|
| 1679 | // of bitstream conformance that PicOrderCntVal of each picture in an access unit shall have the |
---|
[1321] | 1680 | // same value during and at the end of decoding of the access unit |
---|
| 1681 | xF831DecProcForPicOrderCount( ); |
---|
| 1682 | |
---|
[1356] | 1683 | // The decoding process for RPS in clause F.8.3.2 is invoked, wherein only reference pictures with |
---|
| 1684 | // nuh_layer_id equal to that of CurrPic may be marked as "unused for reference" or "used for |
---|
| 1685 | // long-term reference" and any picture with a different value of nuh_layer_id is not marked. |
---|
[1321] | 1686 | // This needs to be invoked only for the first slice segment of a picture. |
---|
| 1687 | xF832DecProcForRefPicSet( ); |
---|
| 1688 | } |
---|
| 1689 | } |
---|
| 1690 | else |
---|
| 1691 | { |
---|
[1356] | 1692 | assert( false ); |
---|
[1321] | 1693 | } |
---|
[608] | 1694 | } |
---|
| 1695 | |
---|
[1321] | 1696 | Void TDecTop::genUnavailableRefPics( ) |
---|
[1356] | 1697 | { |
---|
[1321] | 1698 | assert( m_uiSliceIdx == 0 ); |
---|
| 1699 | Int nuhLayerId = m_pcPic->getLayerId(); |
---|
| 1700 | if ( m_decProcPocAndRps == CLAUSE_8 ) |
---|
| 1701 | { |
---|
| 1702 | // 8.1.3 Decoding process for a coded picture with nuh_layer_id equal to 0 |
---|
| 1703 | |
---|
| 1704 | if ( m_pcPic->isBla() || ( m_pcPic->isCra() && m_pcPic->getNoRaslOutputFlag() ) ) |
---|
| 1705 | { |
---|
[1356] | 1706 | // When the current picture is a BLA picture or is a CRA picture |
---|
| 1707 | // with NoRaslOutputFlag equal to 1, the decoding process for generating |
---|
| 1708 | // unavailable reference pictures specified in clause 8.3.3 is invoked, |
---|
[1321] | 1709 | // which needs to be invoked only for the first slice segment of a picture. |
---|
[1356] | 1710 | x8331GenDecProcForGenUnavilRefPics(); |
---|
[1321] | 1711 | } |
---|
| 1712 | } |
---|
| 1713 | else if( m_decProcPocAndRps == ANNEX_F ) |
---|
| 1714 | { |
---|
| 1715 | // F.8.1.3 Common decoding process for a coded picture |
---|
| 1716 | |
---|
| 1717 | if (nuhLayerId == 0 ) |
---|
| 1718 | { |
---|
| 1719 | // F.8.1.4 Decoding process for a coded picture with nuh_layer_id equal to |
---|
| 1720 | // --> Clause 8.1.3 is invoked with replacments of 8.3.1, 8.3.2, and 8.3.3 by F.8.3.1, 8.3.2, and 8.3.3 |
---|
| 1721 | |
---|
| 1722 | if ( m_pcPic->isBla() || ( m_pcPic->isCra() && m_pcPic->getNoRaslOutputFlag() ) ) |
---|
| 1723 | { |
---|
[1356] | 1724 | // When the current picture is a BLA picture or is a CRA picture |
---|
| 1725 | // with NoRaslOutputFlag equal to 1, the decoding process for generating |
---|
| 1726 | // unavailable reference pictures specified in clause 8.3.3 is invoked, |
---|
[1321] | 1727 | // which needs to be invoked only for the first slice segment of a picture. |
---|
[1356] | 1728 | xF833DecProcForGenUnavRefPics(); |
---|
[1321] | 1729 | } |
---|
| 1730 | #if NH_MV_FIX_INIT_NUM_ACTIVE_REF_LAYER_PICS |
---|
[1356] | 1731 | TComDecodedRps* decRps = m_pcPic->getDecodedRps(); |
---|
[1321] | 1732 | decRps->m_numActiveRefLayerPics0 = 0; |
---|
[1356] | 1733 | decRps->m_numActiveRefLayerPics1 = 0; |
---|
[1321] | 1734 | #endif |
---|
| 1735 | } |
---|
| 1736 | else |
---|
| 1737 | { |
---|
| 1738 | // F.8.1.5 Decoding process for starting the decoding of a coded picture with |
---|
| 1739 | // nuh_layer_id greater than 0 |
---|
| 1740 | |
---|
| 1741 | if ( !m_firstPicInLayerDecodedFlag[ nuhLayerId ] ) |
---|
| 1742 | { |
---|
[1356] | 1743 | // When FirstPicInLayerDecodedFlag[ nuh_layer_id ] is equal to 0, the decoding process for generating |
---|
| 1744 | // unavailable reference pictures for pictures first in decoding order within a layer specified in |
---|
[1321] | 1745 | // clause F.8.1.7 is invoked, which needs to be invoked only for the first slice segment of a picture. |
---|
| 1746 | xF817DecProcForGenUnavRefPicForPicsFrstInDecOrderInLay(); |
---|
| 1747 | } |
---|
| 1748 | |
---|
| 1749 | if ( m_firstPicInLayerDecodedFlag[ nuhLayerId ] && ( m_pcPic->isIrap() && m_pcPic->getNoRaslOutputFlag() ) ) |
---|
| 1750 | { |
---|
[1356] | 1751 | // When FirstPicInLayerDecodedFlag[ nuh_layer_id ] is equal to 1 and the current picture is an IRAP |
---|
| 1752 | // picture with NoRaslOutputFlag equal to 1, the decoding process for generating unavailable reference |
---|
| 1753 | // pictures specified in clause F.8.3.3 is invoked, which needs to be invoked only for the first slice |
---|
[1321] | 1754 | // segment of a picture. |
---|
[1356] | 1755 | xF833DecProcForGenUnavRefPics(); |
---|
[1321] | 1756 | } |
---|
| 1757 | |
---|
| 1758 | if ( decProcAnnexG() ) |
---|
| 1759 | { |
---|
| 1760 | // G.1.2 --> G.1.3 |
---|
| 1761 | xG813DecProcForInterLayerRefPicSet(); |
---|
| 1762 | } |
---|
[1386] | 1763 | else |
---|
| 1764 | { |
---|
| 1765 | #if NH_MV_FIX_INIT_NUM_ACTIVE_REF_LAYER_PICS |
---|
| 1766 | TComDecodedRps* decRps = m_pcPic->getDecodedRps(); |
---|
| 1767 | decRps->m_numActiveRefLayerPics0 = 0; |
---|
| 1768 | decRps->m_numActiveRefLayerPics1 = 0; |
---|
| 1769 | #endif |
---|
| 1770 | } |
---|
[1321] | 1771 | } |
---|
| 1772 | } |
---|
| 1773 | else |
---|
| 1774 | { |
---|
[1356] | 1775 | assert( false ); |
---|
[1321] | 1776 | } |
---|
| 1777 | |
---|
[1356] | 1778 | xCheckUnavailableRefPics(); |
---|
[1321] | 1779 | } |
---|
| 1780 | Void TDecTop::executeLoopFilters( ) |
---|
[622] | 1781 | { |
---|
[1356] | 1782 | assert( m_pcPic != NULL ); |
---|
[1321] | 1783 | if ( !m_pcPic->getHasGeneratedRefPics() && !m_pcPic->getIsGenerated() ) |
---|
[622] | 1784 | { |
---|
[1321] | 1785 | m_cGopDecoder.filterPicture( m_pcPic ); |
---|
| 1786 | } |
---|
| 1787 | m_cCuDecoder.destroy(); |
---|
| 1788 | } |
---|
| 1789 | |
---|
| 1790 | Void TDecTop::finalizePic() |
---|
| 1791 | { |
---|
| 1792 | if( m_pcPic->isIrap() ) |
---|
| 1793 | { |
---|
[1356] | 1794 | m_prevIrapPoc = m_pcPic->getPOC(); |
---|
| 1795 | m_prevIrapDecodingOrder = m_pcPic->getDecodingOrder(); |
---|
[1321] | 1796 | } |
---|
| 1797 | if( m_pcPic->isStsa() ) |
---|
| 1798 | { |
---|
| 1799 | m_prevStsaDecOrder = m_pcPic->getDecodingOrder(); |
---|
| 1800 | m_prevStsaTemporalId = m_pcPic->getTemporalId() ; |
---|
| 1801 | } |
---|
| 1802 | } |
---|
| 1803 | |
---|
| 1804 | |
---|
| 1805 | Void TDecTop::initFromActiveVps( const TComVPS* vps ) |
---|
[1356] | 1806 | { |
---|
| 1807 | setViewId ( vps->getViewId ( getLayerId() ) ); |
---|
[1321] | 1808 | #if NH_3D |
---|
[1356] | 1809 | setViewIndex( vps->getViewIndex( getLayerId() ) ); |
---|
| 1810 | setIsDepth ( vps->getDepthId ( getLayerId() ) == 1 ); |
---|
[1321] | 1811 | #endif |
---|
| 1812 | |
---|
| 1813 | if ( !vps->getVpsExtensionFlag() ) |
---|
| 1814 | { |
---|
[1356] | 1815 | m_decodingProcess = CLAUSE_8; |
---|
[1321] | 1816 | m_isInOwnTargetDecLayerIdList = ( getLayerId() == 0 ); |
---|
| 1817 | } |
---|
| 1818 | else |
---|
[1356] | 1819 | { |
---|
[1321] | 1820 | if ( m_targetOlsIdx == -1 ) |
---|
[622] | 1821 | { |
---|
[1356] | 1822 | // Corresponds to specification by "External Means". (Should be set equal to 0, when no external means available. ) |
---|
| 1823 | m_targetOlsIdx = vps->getVpsNumLayerSetsMinus1(); |
---|
[1321] | 1824 | } |
---|
| 1825 | |
---|
[1356] | 1826 | Int targetDecLayerSetIdx = vps->olsIdxToLsIdx( m_targetOlsIdx ); |
---|
[1321] | 1827 | |
---|
| 1828 | if ( targetDecLayerSetIdx <= vps->getVpsNumLayerSetsMinus1() && vps->getVpsBaseLayerInternalFlag() ) |
---|
| 1829 | { |
---|
[1356] | 1830 | m_smallestLayerId = 0; |
---|
[1321] | 1831 | } |
---|
| 1832 | else if ( targetDecLayerSetIdx <= vps->getVpsNumLayerSetsMinus1() && !vps->getVpsBaseLayerInternalFlag() ) |
---|
| 1833 | { |
---|
[1356] | 1834 | m_smallestLayerId = 0; |
---|
[1321] | 1835 | } |
---|
| 1836 | else if ( targetDecLayerSetIdx > vps->getVpsNumLayerSetsMinus1() && vps->getNumLayersInIdList( targetDecLayerSetIdx) == 1 ) |
---|
| 1837 | { |
---|
[1356] | 1838 | |
---|
| 1839 | // m_smallestLayerId = 0; |
---|
| 1840 | // For now don't do change of layer id here. |
---|
| 1841 | m_smallestLayerId = vps->getTargetDecLayerIdList( targetDecLayerSetIdx )[ 0 ]; |
---|
[1321] | 1842 | } |
---|
| 1843 | else |
---|
| 1844 | { |
---|
[1356] | 1845 | m_smallestLayerId = vps->getTargetDecLayerIdList( targetDecLayerSetIdx )[ 0 ]; |
---|
[1321] | 1846 | } |
---|
| 1847 | |
---|
| 1848 | |
---|
| 1849 | // Set profile |
---|
| 1850 | Int lsIdx = vps->olsIdxToLsIdx( m_targetOlsIdx ); |
---|
[1356] | 1851 | Int lIdx = -1; |
---|
[1321] | 1852 | for (Int j = 0; j < vps->getNumLayersInIdList( lsIdx ) ; j++ ) |
---|
| 1853 | { |
---|
| 1854 | if ( vps->getLayerSetLayerIdList( lsIdx, j ) == getLayerId() ) |
---|
[1356] | 1855 | { |
---|
| 1856 | lIdx = j; |
---|
| 1857 | break; |
---|
| 1858 | } |
---|
[1321] | 1859 | } |
---|
[1356] | 1860 | m_isInOwnTargetDecLayerIdList = (lIdx != -1); |
---|
[1321] | 1861 | |
---|
| 1862 | if ( m_isInOwnTargetDecLayerIdList ) |
---|
| 1863 | { |
---|
| 1864 | Int profileIdc = vps->getPTL( vps->getProfileTierLevelIdx( m_targetOlsIdx, lIdx ) )->getGeneralPTL()->getProfileIdc(); |
---|
[1356] | 1865 | assert( profileIdc == 1 || profileIdc == 6 || profileIdc == 8 ); |
---|
[1321] | 1866 | |
---|
| 1867 | if ( profileIdc == 6 ) |
---|
[622] | 1868 | { |
---|
[1321] | 1869 | m_decodingProcess = ANNEX_G; |
---|
| 1870 | } |
---|
| 1871 | else if (profileIdc == 7 ) |
---|
| 1872 | { |
---|
| 1873 | m_decodingProcess = ANNEX_H; |
---|
| 1874 | } |
---|
| 1875 | else if (profileIdc == 8 ) |
---|
| 1876 | { |
---|
| 1877 | m_decodingProcess = ANNEX_I; |
---|
| 1878 | } |
---|
| 1879 | } |
---|
[622] | 1880 | } |
---|
| 1881 | } |
---|
[738] | 1882 | |
---|
[1321] | 1883 | |
---|
| 1884 | Bool TDecTop::getFirstSliceSegementInPicFlag() |
---|
[738] | 1885 | { |
---|
[1321] | 1886 | return m_apcSlicePilot->getFirstSliceSegementInPicFlag(); |
---|
| 1887 | } |
---|
[738] | 1888 | |
---|
[1321] | 1889 | Void TDecTop::x831DecProcForPicOrderCount() |
---|
| 1890 | { |
---|
| 1891 | ///////////////////////////////////////////////////// |
---|
| 1892 | // 8.3.1 Decoding process for picture order count // |
---|
| 1893 | ///////////////////////////////////////////////////// |
---|
[738] | 1894 | |
---|
[1321] | 1895 | // Output of this process is PicOrderCntVal, the picture order count of the current picture. |
---|
[1356] | 1896 | // Picture order counts are used to identify pictures, for deriving motion parameters in merge mode and |
---|
[1321] | 1897 | // motion vector prediction, and for decoder conformance checking (see clause C.5). |
---|
| 1898 | // Each coded picture is associated with a picture order count variable, denoted as PicOrderCntVal. |
---|
| 1899 | |
---|
[1356] | 1900 | const TComSlice* curSlice = m_pcPic->getSlice(0); |
---|
[1321] | 1901 | |
---|
[1356] | 1902 | Int prevPicOrderCntLsb = MIN_INT; |
---|
| 1903 | Int prevPicOrderCntMsb = MIN_INT; |
---|
| 1904 | if (!(m_pcPic->isIrap() && m_pcPic->getNoRaslOutputFlag() ) ) |
---|
[1321] | 1905 | { |
---|
[1356] | 1906 | // When the current picture is not an IRAP picture with NoRaslOutputFlag equal to 1, |
---|
[1321] | 1907 | // the variables prevPicOrderCntLsb and prevPicOrderCntMsb are derived as follows: |
---|
| 1908 | |
---|
[1356] | 1909 | // - Let prevTid0Pic be the previous picture in decoding order that has TemporalId equal to 0 and that is not a RASL picture, |
---|
[1321] | 1910 | // a RADL picture or an SLNR picture. |
---|
| 1911 | |
---|
| 1912 | // - The variable prevPicOrderCntLsb is set equal to slice_pic_order_cnt_lsb of prevTid0Pic. |
---|
[1356] | 1913 | prevPicOrderCntLsb = m_prevTid0PicSlicePicOrderCntLsb; |
---|
[1321] | 1914 | |
---|
| 1915 | // - The variable prevPicOrderCntMsb is set equal to PicOrderCntMsb of prevTid0Pic. |
---|
[1356] | 1916 | prevPicOrderCntMsb = m_prevTid0PicPicOrderCntMsb; |
---|
[1321] | 1917 | } |
---|
| 1918 | |
---|
[1356] | 1919 | // The variable PicOrderCntMsb of the current picture is derived as follows: |
---|
| 1920 | |
---|
[1321] | 1921 | Int slicePicOrderCntLsb = curSlice->getSlicePicOrderCntLsb(); |
---|
| 1922 | |
---|
[1356] | 1923 | Int picOrderCntMsb; |
---|
[1321] | 1924 | |
---|
| 1925 | if (m_pcPic->isIrap() && m_pcPic->getNoRaslOutputFlag() ) |
---|
| 1926 | { |
---|
| 1927 | //- If the current picture is an IRAP picture with NoRaslOutputFlag equal to 1, PicOrderCntMsb is set equal to 0. |
---|
[1356] | 1928 | picOrderCntMsb = 0; |
---|
[1321] | 1929 | } |
---|
| 1930 | else |
---|
| 1931 | { |
---|
[1356] | 1932 | Int maxPicOrderCntLsb = curSlice->getSPS()->getMaxPicOrderCntLsb(); |
---|
[1321] | 1933 | |
---|
| 1934 | // - Otherwise, PicOrderCntMsb is derived as follows: |
---|
| 1935 | |
---|
| 1936 | if( ( slicePicOrderCntLsb < prevPicOrderCntLsb ) && |
---|
| 1937 | ( ( prevPicOrderCntLsb - slicePicOrderCntLsb ) >= ( maxPicOrderCntLsb / 2 ) ) ) |
---|
[738] | 1938 | { |
---|
[1321] | 1939 | picOrderCntMsb = prevPicOrderCntMsb + maxPicOrderCntLsb; // (8 1) |
---|
| 1940 | } |
---|
| 1941 | else if( (slicePicOrderCntLsb > prevPicOrderCntLsb ) && |
---|
| 1942 | ( ( slicePicOrderCntLsb - prevPicOrderCntLsb ) > ( maxPicOrderCntLsb / 2 ) ) ) |
---|
| 1943 | { |
---|
| 1944 | picOrderCntMsb = prevPicOrderCntMsb - maxPicOrderCntLsb; |
---|
| 1945 | } |
---|
| 1946 | else |
---|
| 1947 | { |
---|
[1356] | 1948 | picOrderCntMsb = prevPicOrderCntMsb; |
---|
[1321] | 1949 | } |
---|
| 1950 | } |
---|
[1356] | 1951 | |
---|
[1321] | 1952 | //PicOrderCntVal is derived as follows: |
---|
| 1953 | Int picOrderCntVal = picOrderCntMsb + slicePicOrderCntLsb; // (8 2) |
---|
| 1954 | |
---|
[1356] | 1955 | // NOTE 1 - All IDR pictures will have PicOrderCntVal equal to 0 since slice_pic_order_cnt_lsb is inferred to be 0 for IDR |
---|
[1321] | 1956 | // pictures and prevPicOrderCntLsb and prevPicOrderCntMsb are both set equal to 0. |
---|
| 1957 | |
---|
[1356] | 1958 | m_pcPic->getSlice(0)->setPOC( picOrderCntVal ); |
---|
[1321] | 1959 | |
---|
| 1960 | // Update prevTid0Pic |
---|
| 1961 | // Let prevTid0Pic be the previous picture in decoding order that has TemporalId equal to 0 and that is not a RASL picture, a RADL picture or an SLNR picture. |
---|
| 1962 | if( curSlice->getTemporalId() == 0 && !m_pcPic->isRasl() && !m_pcPic->isRadl() && !m_pcPic->isSlnr() ) |
---|
| 1963 | { |
---|
[1356] | 1964 | m_prevTid0PicSlicePicOrderCntLsb = slicePicOrderCntLsb; |
---|
| 1965 | m_prevTid0PicPicOrderCntMsb = picOrderCntMsb; |
---|
[1321] | 1966 | } |
---|
| 1967 | } |
---|
| 1968 | |
---|
| 1969 | Void TDecTop::xF831DecProcForPicOrderCount() |
---|
| 1970 | { |
---|
| 1971 | //Output of this process is PicOrderCntVal, the picture order count of the current picture. |
---|
[1356] | 1972 | // Picture order counts are used to identify pictures, for deriving motion parameters in merge mode and |
---|
[1321] | 1973 | // motion vector prediction and for decoder conformance checking (see clause F.13.5). |
---|
| 1974 | |
---|
| 1975 | // Each coded picture is associated with a picture order count variable, denoted as PicOrderCntVal. |
---|
| 1976 | |
---|
[1356] | 1977 | const TComSlice* slice = m_pcPic->getSlice(0); |
---|
| 1978 | const Int nuhLayerId = m_pcPic->getLayerId(); |
---|
| 1979 | const TComVPS* vps = slice->getVPS(); |
---|
| 1980 | const TComSPS* sps = slice->getSPS(); |
---|
[1321] | 1981 | if ( m_pcPic->getIsFstPicOfAllLayOfPocResetPer() ) |
---|
| 1982 | { |
---|
[1356] | 1983 | // When the current picture is the first picture among all layers of a POC resetting period, |
---|
[1321] | 1984 | // the variable PocDecrementedInDPBFlag[ i ] is set equal to 0 for each value of i in the range of 0 to 62, inclusive. |
---|
| 1985 | for (Int i = 0; i <= 62; i++) |
---|
| 1986 | { |
---|
[1356] | 1987 | m_pocDecrementedInDpbFlag[ i ] = 0; |
---|
[1321] | 1988 | } |
---|
| 1989 | } |
---|
| 1990 | |
---|
| 1991 | // The variable pocResettingFlag is derived as follows: |
---|
[1356] | 1992 | Bool pocResettingFlag; |
---|
[1321] | 1993 | if (m_pcPic->getIsPocResettingPic() ) |
---|
| 1994 | { |
---|
[1356] | 1995 | //- If the current picture is a POC resetting picture, the following applies: |
---|
[1321] | 1996 | if( vps->getVpsPocLsbAlignedFlag() ) |
---|
| 1997 | { |
---|
| 1998 | // - If vps_poc_lsb_aligned_flag is equal to 0, pocResettingFlag is set equal to 1. |
---|
[1356] | 1999 | pocResettingFlag = true; |
---|
[1321] | 2000 | } |
---|
| 2001 | else if ( m_pocDecrementedInDpbFlag[ nuhLayerId ] ) |
---|
| 2002 | { |
---|
| 2003 | // - Otherwise, if PocDecrementedInDPBFlag[ nuh_layer_id ] is equal to 1, pocResettingFlag is set equal to 0. |
---|
[1356] | 2004 | pocResettingFlag = false; |
---|
[1321] | 2005 | } |
---|
| 2006 | else |
---|
| 2007 | { |
---|
| 2008 | // - Otherwise, pocResettingFlag is set equal to 1. |
---|
[1356] | 2009 | pocResettingFlag = true; |
---|
[1321] | 2010 | } |
---|
| 2011 | } |
---|
| 2012 | else |
---|
| 2013 | { |
---|
| 2014 | // - Otherwise, pocResettingFlag is set equal to 0. |
---|
[1356] | 2015 | pocResettingFlag = false; |
---|
[1321] | 2016 | } |
---|
| 2017 | |
---|
| 2018 | // The list affectedLayerList is derived as follows: |
---|
[1356] | 2019 | std::vector<Int> affectedLayerList; |
---|
[1321] | 2020 | if (! vps->getVpsPocLsbAlignedFlag() ) |
---|
| 2021 | { |
---|
| 2022 | //- If vps_poc_lsb_aligned_flag is equal to 0, affectedLayerList consists of the nuh_layer_id of the current picture. |
---|
[1356] | 2023 | affectedLayerList.push_back( nuhLayerId ); |
---|
[1321] | 2024 | } |
---|
| 2025 | else |
---|
| 2026 | { |
---|
[1356] | 2027 | // - Otherwise, affectedLayerList consists of the nuh_layer_id of the current picture and the nuh_layer_id values |
---|
| 2028 | // equal to IdPredictedLayer[ currNuhLayerId ][ j ] for all values of j in the range of 0 to NumPredictedLayers[ currNuhLayerId ] - 1, |
---|
[1321] | 2029 | // inclusive, where currNuhLayerId is the nuh_layer_id value of the current picture. |
---|
[1356] | 2030 | affectedLayerList.push_back( nuhLayerId ); |
---|
| 2031 | Int currNuhLayerId = nuhLayerId; |
---|
[1321] | 2032 | for (Int j = 0; j <= vps->getNumPredictedLayers( currNuhLayerId )-1; j++ ) |
---|
| 2033 | { |
---|
| 2034 | affectedLayerList.push_back( vps->getIdPredictedLayer(currNuhLayerId, j ) ); |
---|
| 2035 | } |
---|
| 2036 | } |
---|
| 2037 | |
---|
[1356] | 2038 | Int picOrderCntMsb; |
---|
| 2039 | Int picOrderCntVal; |
---|
| 2040 | |
---|
[1321] | 2041 | // Depending on pocResettingFlag, the following applies: |
---|
| 2042 | if ( pocResettingFlag ) |
---|
| 2043 | { |
---|
| 2044 | //- If pocResettingFlag is equal to 1, the following applies: |
---|
| 2045 | if ( m_firstPicInLayerDecodedFlag[ nuhLayerId ] ) |
---|
| 2046 | { |
---|
| 2047 | //- The variables pocMsbDelta, pocLsbDelta and DeltaPocVal are derived as follows: |
---|
[1356] | 2048 | Int pocMsbDelta; |
---|
| 2049 | Int pocLsbDelta; |
---|
| 2050 | Int deltaPocVal; |
---|
[1321] | 2051 | |
---|
[738] | 2052 | { |
---|
[1356] | 2053 | Int pocLsbVal; |
---|
| 2054 | Int prevPicOrderCntLsb; |
---|
| 2055 | Int prevPicOrderCntMsb; |
---|
[1321] | 2056 | |
---|
| 2057 | if( slice->getPocResetIdc() == 3 ) |
---|
| 2058 | { |
---|
[1356] | 2059 | pocLsbVal = slice->getPocLsbVal(); |
---|
| 2060 | } |
---|
[1321] | 2061 | else |
---|
| 2062 | { |
---|
[1356] | 2063 | pocLsbVal = slice->getSlicePicOrderCntLsb(); |
---|
[1321] | 2064 | } |
---|
| 2065 | |
---|
| 2066 | if( slice->getPocMsbCycleValPresentFlag() ) |
---|
| 2067 | { |
---|
| 2068 | pocMsbDelta = slice->getPocMsbCycleVal() * sps->getMaxPicOrderCntLsb(); // (F 60) |
---|
[1356] | 2069 | } |
---|
[1321] | 2070 | else |
---|
| 2071 | { |
---|
[1356] | 2072 | prevPicOrderCntLsb = m_prevPicOrderCnt & ( sps->getMaxPicOrderCntLsb() - 1 ); |
---|
| 2073 | prevPicOrderCntMsb = m_prevPicOrderCnt - prevPicOrderCntLsb; |
---|
[1321] | 2074 | |
---|
[1356] | 2075 | pocMsbDelta = xGetCurrMsb( pocLsbVal, prevPicOrderCntLsb, prevPicOrderCntMsb, sps->getMaxPicOrderCntLsb() ); |
---|
[1321] | 2076 | } |
---|
| 2077 | |
---|
| 2078 | if( slice->getPocResetIdc() == 2 || ( slice->getPocResetIdc() == 3 && slice->getFullPocResetFlag() ) ) |
---|
| 2079 | { |
---|
[1356] | 2080 | pocLsbDelta = pocLsbVal; |
---|
[1321] | 2081 | } |
---|
| 2082 | else |
---|
| 2083 | { |
---|
[1356] | 2084 | pocLsbDelta = 0; |
---|
[1321] | 2085 | } |
---|
[1356] | 2086 | deltaPocVal = pocMsbDelta + pocLsbDelta; |
---|
[1321] | 2087 | } |
---|
| 2088 | |
---|
[1356] | 2089 | //- The PicOrderCntVal of each picture that has nuh_layer_id value nuhLayerId for which PocDecrementedInDPBFlag[ nuhLayerId ] is equal to 0 |
---|
[1321] | 2090 | // and that is equal to any value in affectedLayerList is decremented by DeltaPocVal. |
---|
| 2091 | for (Int i = 0; i < (Int) affectedLayerList.size(); i++ ) |
---|
| 2092 | { |
---|
| 2093 | if ( !m_pocDecrementedInDpbFlag[ affectedLayerList[i] ] ) |
---|
| 2094 | { |
---|
[1356] | 2095 | m_dpb->decrementPocsInSubDpb( affectedLayerList[i], deltaPocVal ); |
---|
[1321] | 2096 | } |
---|
| 2097 | } |
---|
| 2098 | |
---|
| 2099 | //- PocDecrementedInDPBFlag[ nuhLayerId ] is set equal to 1 for each value of nuhLayerId included in affectedLayerList. |
---|
| 2100 | for (Int i = 0; i < (Int) affectedLayerList.size(); i++ ) |
---|
| 2101 | { |
---|
[1356] | 2102 | m_pocDecrementedInDpbFlag[ affectedLayerList[i] ] = true; |
---|
[1321] | 2103 | } |
---|
[1356] | 2104 | } |
---|
[1321] | 2105 | |
---|
| 2106 | //- The PicOrderCntVal of the current picture is derived as follows: |
---|
| 2107 | if( slice->getPocResetIdc() == 1 ) |
---|
| 2108 | { |
---|
[1356] | 2109 | picOrderCntVal = slice->getSlicePicOrderCntLsb(); |
---|
[1321] | 2110 | } |
---|
[1356] | 2111 | else if (slice->getPocResetIdc() == 2 ) |
---|
[1321] | 2112 | { |
---|
[1356] | 2113 | picOrderCntVal = 0; |
---|
[1321] | 2114 | } |
---|
| 2115 | else |
---|
| 2116 | { |
---|
[1356] | 2117 | picOrderCntMsb = xGetCurrMsb( slice->getSlicePicOrderCntLsb(), slice->getFullPocResetFlag() ? 0 : slice->getPocLsbVal(), 0, sps->getMaxPicOrderCntLsb() ); |
---|
| 2118 | picOrderCntVal = picOrderCntMsb + slice->getSlicePicOrderCntLsb(); |
---|
[1321] | 2119 | } |
---|
| 2120 | } |
---|
| 2121 | else |
---|
| 2122 | { |
---|
| 2123 | //- Otherwise (pocResettingFlag is equal to 0), the following applies: |
---|
| 2124 | //- The PicOrderCntVal of the current picture is derived as follows: |
---|
[1356] | 2125 | |
---|
[1321] | 2126 | if( slice->getPocMsbCycleValPresentFlag() ) |
---|
| 2127 | { |
---|
[1356] | 2128 | picOrderCntMsb = slice->getPocMsbCycleVal() * sps->getMaxPicOrderCntLsb(); |
---|
[1321] | 2129 | } |
---|
| 2130 | else if( !m_firstPicInLayerDecodedFlag[ nuhLayerId ] || |
---|
| 2131 | slice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP || slice->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL ) |
---|
| 2132 | { |
---|
| 2133 | picOrderCntMsb = 0; // (F 62) |
---|
[1356] | 2134 | } |
---|
[1321] | 2135 | else |
---|
| 2136 | { |
---|
| 2137 | Int prevPicOrderCntLsb = m_prevPicOrderCnt & ( sps->getMaxPicOrderCntLsb() - 1 ); |
---|
[1356] | 2138 | Int prevPicOrderCntMsb = m_prevPicOrderCnt - prevPicOrderCntLsb; |
---|
| 2139 | picOrderCntMsb = xGetCurrMsb( slice->getSlicePicOrderCntLsb(), prevPicOrderCntLsb, prevPicOrderCntMsb, sps->getMaxPicOrderCntLsb() ); |
---|
[1321] | 2140 | } |
---|
[1356] | 2141 | picOrderCntVal = picOrderCntMsb + slice->getSlicePicOrderCntLsb(); |
---|
[1321] | 2142 | } |
---|
[1356] | 2143 | |
---|
| 2144 | m_pcPic->getSlice(0)->setPOC( picOrderCntVal ); |
---|
| 2145 | |
---|
[1321] | 2146 | for (Int lId = 0; lId < (Int) affectedLayerList.size(); lId++ ) |
---|
[1356] | 2147 | { |
---|
[1321] | 2148 | // The value of PrevPicOrderCnt[ lId ] for each of the lId values included in affectedLayerList is derived as follows: |
---|
| 2149 | |
---|
| 2150 | if (!m_pcPic->isRasl() && !m_pcPic->isRadl() && !m_pcPic->isSlnr() && slice->getTemporalId() == 0 && !slice->getDiscardableFlag() ) |
---|
| 2151 | { |
---|
[1356] | 2152 | //- If the current picture is not a RASL picture, a RADL picture or a sub-layer non-reference picture, and the current picture |
---|
[1321] | 2153 | // has TemporalId equal to 0 and discardable_flag equal to 0, PrevPicOrderCnt[ lId ] is set equal to PicOrderCntVal. |
---|
[1356] | 2154 | m_prevPicOrderCnt = picOrderCntVal; |
---|
[1321] | 2155 | } |
---|
| 2156 | else if ( slice->getPocResetIdc() == 3 && ( |
---|
[1356] | 2157 | ( !m_firstPicInLayerDecodedFlag[ nuhLayerId ]) || |
---|
| 2158 | ( m_firstPicInLayerDecodedFlag[ nuhLayerId ] && m_pcPic->getIsPocResettingPic() ) |
---|
[1321] | 2159 | ) ) |
---|
| 2160 | { |
---|
| 2161 | // - Otherwise, when poc_reset_idc is equal to 3 and one of the following conditions is true, PrevPicOrderCnt[ lId ] is set equal to ( full_poc_reset_flag ? 0 : poc_lsb_val ): |
---|
| 2162 | // - FirstPicInLayerDecodedFlag[ nuh_layer_id ] is equal to 0. |
---|
| 2163 | // - FirstPicInLayerDecodedFlag[ nuh_layer_id ] is equal to 1 and the current picture is a POC resetting picture. |
---|
[1356] | 2164 | m_prevPicOrderCnt = ( slice->getFullPocResetFlag() ? 0 : slice->getPocLsbVal() ); |
---|
[1321] | 2165 | } |
---|
| 2166 | } |
---|
| 2167 | } |
---|
| 2168 | |
---|
| 2169 | Int TDecTop::xGetCurrMsb( Int cl, Int pl, Int pm, Int ml ) |
---|
| 2170 | { |
---|
[1356] | 2171 | Int currMsb; |
---|
[1321] | 2172 | if ((pl - cl) >= (ml/ 2)) |
---|
| 2173 | { |
---|
| 2174 | currMsb = pm + ml; |
---|
| 2175 | } |
---|
| 2176 | else if ( (cl - pl) > (ml / 2)) |
---|
| 2177 | { |
---|
[1356] | 2178 | currMsb = pm - ml; |
---|
[1321] | 2179 | } |
---|
| 2180 | else |
---|
| 2181 | { |
---|
[1356] | 2182 | currMsb = pm; |
---|
[1321] | 2183 | } |
---|
| 2184 | |
---|
[1356] | 2185 | return currMsb; |
---|
| 2186 | } |
---|
[1321] | 2187 | |
---|
| 2188 | |
---|
| 2189 | |
---|
| 2190 | Void TDecTop::x832DecProcForRefPicSet( Bool annexFModifications ) |
---|
| 2191 | { |
---|
| 2192 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 2193 | // 8.3.2 8.3.2 Decoding process for reference picture set |
---|
| 2194 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 2195 | |
---|
[1356] | 2196 | TComSlice* slice = m_pcPic->getSlice( 0 ); |
---|
| 2197 | const TComSPS* sps = slice->getSPS(); |
---|
| 2198 | // This process is invoked once per picture, after decoding of a slice header but prior to the decoding of any coding unit and prior |
---|
| 2199 | // to the decoding process for reference picture list construction for the slice as specified in clause 8.3.3. |
---|
| 2200 | // This process may result in one or more reference pictures in the DPB being marked as "unused for reference" or |
---|
[1321] | 2201 | // "used for long-term reference". |
---|
| 2202 | |
---|
| 2203 | // The variable currPicLayerId is set equal to nuh_layer_id of the current picture. |
---|
[1356] | 2204 | Int currPicLayerId = m_pcPic->getLayerId(); |
---|
| 2205 | Int picOrderCntVal = m_pcPic->getPOC(); |
---|
[1321] | 2206 | |
---|
| 2207 | if (m_pcPic->isIrap() && m_pcPic->getNoRaslOutputFlag() ) |
---|
[1356] | 2208 | { |
---|
| 2209 | // When the current picture is an IRAP picture with NoRaslOutputFlag equal to 1, |
---|
| 2210 | // all reference pictures with nuh_layer_id equal to currPicLayerId currently in the |
---|
[1321] | 2211 | // DPB (if any) are marked as "unused for reference". |
---|
[1356] | 2212 | m_dpb->markSubDpbAsUnusedForReference( currPicLayerId ); |
---|
[1321] | 2213 | } |
---|
[1356] | 2214 | // Short-term reference pictures are identified by their PicOrderCntVal values. Long-term reference pictures are identified either by |
---|
[1321] | 2215 | // their PicOrderCntVal values or their slice_pic_order_cnt_lsb values. |
---|
| 2216 | |
---|
[1356] | 2217 | // Five lists of picture order count values are constructed to derive the RPS. These five lists are PocStCurrBefore, |
---|
| 2218 | // PocStCurrAfter, PocStFoll, PocLtCurr and PocLtFoll, with NumPocStCurrBefore, NumPocStCurrAfter, NumPocStFoll, |
---|
[1321] | 2219 | // NumPocLtCurr and NumPocLtFoll number of elements, respectively. The five lists and the five variables are derived as follows: |
---|
| 2220 | |
---|
[1356] | 2221 | TComDecodedRps* decRps = m_pcPic->getDecodedRps(); |
---|
| 2222 | |
---|
[1321] | 2223 | std::vector<Int>& pocStCurrBefore = decRps->m_pocStCurrBefore; |
---|
| 2224 | std::vector<Int>& pocStCurrAfter = decRps->m_pocStCurrAfter; |
---|
| 2225 | std::vector<Int>& pocStFoll = decRps->m_pocStFoll; |
---|
| 2226 | std::vector<Int>& pocLtCurr = decRps->m_pocLtCurr; |
---|
| 2227 | std::vector<Int>& pocLtFoll = decRps->m_pocLtFoll; |
---|
| 2228 | |
---|
[1356] | 2229 | Int& numPocStCurrBefore = decRps->m_numPocStCurrBefore; |
---|
[1321] | 2230 | Int& numPocStCurrAfter = decRps->m_numPocStCurrAfter; |
---|
| 2231 | Int& numPocStFoll = decRps->m_numPocStFoll; |
---|
| 2232 | Int& numPocLtCurr = decRps->m_numPocLtCurr; |
---|
[1356] | 2233 | Int& numPocLtFoll = decRps->m_numPocLtFoll; |
---|
[1321] | 2234 | |
---|
[1356] | 2235 | std::vector<Int> currDeltaPocMsbPresentFlag, follDeltaPocMsbPresentFlag; |
---|
[1321] | 2236 | |
---|
| 2237 | if (m_pcPic->isIdr() ) |
---|
| 2238 | { |
---|
[1356] | 2239 | // - If the current picture is an IDR picture, PocStCurrBefore, PocStCurrAfter, PocStFoll, |
---|
| 2240 | // PocLtCurr and PocLtFoll are all set to be empty, and NumPocStCurrBefore, |
---|
[1321] | 2241 | // NumPocStCurrAfter, NumPocStFoll, NumPocLtCurr and NumPocLtFoll are all set equal to 0. |
---|
| 2242 | |
---|
| 2243 | pocStCurrBefore.clear(); |
---|
| 2244 | pocStCurrAfter .clear(); |
---|
| 2245 | pocStFoll .clear(); |
---|
| 2246 | pocLtCurr .clear(); |
---|
| 2247 | pocLtFoll .clear(); |
---|
[1356] | 2248 | numPocStCurrBefore = 0; |
---|
| 2249 | numPocStCurrAfter = 0; |
---|
| 2250 | numPocStFoll = 0; |
---|
| 2251 | numPocLtCurr = 0; |
---|
| 2252 | numPocLtFoll = 0; |
---|
[1321] | 2253 | } |
---|
| 2254 | else |
---|
| 2255 | { |
---|
| 2256 | const TComStRefPicSet* stRps = slice->getStRps( slice->getCurrRpsIdx() ); |
---|
| 2257 | // - Otherwise, the following applies: |
---|
| 2258 | |
---|
[1356] | 2259 | Int j = 0; |
---|
| 2260 | Int k = 0; |
---|
[1321] | 2261 | for( Int i = 0; i < stRps->getNumNegativePicsVar() ; i++ ) |
---|
| 2262 | { |
---|
| 2263 | if( stRps->getUsedByCurrPicS0Var( i ) ) |
---|
| 2264 | { |
---|
| 2265 | pocStCurrBefore.push_back( picOrderCntVal + stRps->getDeltaPocS0Var( i ) ); j++; |
---|
| 2266 | } |
---|
| 2267 | else |
---|
| 2268 | { |
---|
| 2269 | pocStFoll .push_back( picOrderCntVal + stRps->getDeltaPocS0Var( i ) ); k++; |
---|
| 2270 | } |
---|
| 2271 | } |
---|
[1356] | 2272 | numPocStCurrBefore = j; |
---|
[1321] | 2273 | |
---|
[1356] | 2274 | j = 0; |
---|
[1321] | 2275 | for (Int i = 0; i < stRps->getNumPositivePicsVar(); i++ ) |
---|
| 2276 | { |
---|
| 2277 | if (stRps->getUsedByCurrPicS1Var( i ) ) |
---|
| 2278 | { |
---|
[1356] | 2279 | pocStCurrAfter.push_back( picOrderCntVal + stRps->getDeltaPocS1Var( i ) ); j++; |
---|
[1321] | 2280 | } |
---|
| 2281 | else |
---|
| 2282 | { |
---|
| 2283 | pocStFoll .push_back( picOrderCntVal + stRps->getDeltaPocS1Var( i ) ); k++; |
---|
| 2284 | } |
---|
| 2285 | } |
---|
| 2286 | numPocStCurrAfter = j; |
---|
| 2287 | numPocStFoll = k; // (8 5) |
---|
| 2288 | |
---|
| 2289 | |
---|
[1356] | 2290 | j = 0; |
---|
| 2291 | k = 0; |
---|
[1321] | 2292 | for( Int i = 0; i < slice->getNumLongTermSps( ) + slice->getNumLongTermPics(); i++ ) |
---|
| 2293 | { |
---|
[1356] | 2294 | Int pocLt = slice->getPocLsbLtVar( i ); |
---|
[1321] | 2295 | if( slice->getDeltaPocMsbPresentFlag( i ) ) |
---|
| 2296 | { |
---|
| 2297 | pocLt += picOrderCntVal - slice->getDeltaPocMsbCycleLtVar( i ) * sps->getMaxPicOrderCntLsb() - |
---|
| 2298 | ( picOrderCntVal & ( sps->getMaxPicOrderCntLsb() - 1 ) ); |
---|
| 2299 | } |
---|
| 2300 | |
---|
[1356] | 2301 | if( slice->getUsedByCurrPicLtVar(i)) |
---|
[1321] | 2302 | { |
---|
| 2303 | pocLtCurr.push_back( pocLt ); |
---|
[1356] | 2304 | currDeltaPocMsbPresentFlag.push_back( slice->getDeltaPocMsbPresentFlag( i ) ); j++; |
---|
| 2305 | } |
---|
[1321] | 2306 | else |
---|
| 2307 | { |
---|
| 2308 | pocLtFoll.push_back( pocLt ); |
---|
[1356] | 2309 | follDeltaPocMsbPresentFlag.push_back( slice->getDeltaPocMsbPresentFlag( i ) ); k++; |
---|
[1321] | 2310 | } |
---|
[738] | 2311 | } |
---|
[1321] | 2312 | numPocLtCurr = j; |
---|
| 2313 | numPocLtFoll = k; |
---|
[738] | 2314 | } |
---|
[1321] | 2315 | |
---|
| 2316 | assert(numPocStCurrAfter == pocStCurrAfter .size() ); |
---|
| 2317 | assert(numPocStCurrBefore == pocStCurrBefore .size() ); |
---|
[1356] | 2318 | assert(numPocStFoll == pocStFoll .size() ); |
---|
| 2319 | assert(numPocLtCurr == pocLtCurr .size() ); |
---|
[1321] | 2320 | assert(numPocLtFoll == pocLtFoll .size() ); |
---|
| 2321 | |
---|
| 2322 | // where PicOrderCntVal is the picture order count of the current picture as specified in clause 8.3.1. |
---|
| 2323 | |
---|
[1356] | 2324 | // NOTE 2 - A value of CurrRpsIdx in the range of 0 to num_short_term_ref_pic_sets - 1, inclusive, |
---|
| 2325 | // indicates that a candidate short-term RPS from the active SPS for the current layer is being used, |
---|
| 2326 | // where CurrRpsIdx is the index of the candidate short-term RPS into the list of candidate short-term RPSs signalled |
---|
| 2327 | // in the active SPS for the current layer. CurrRpsIdx equal to num_short_term_ref_pic_sets indicates that |
---|
[1321] | 2328 | // the short-term RPS of the current picture is directly signalled in the slice header. |
---|
| 2329 | |
---|
| 2330 | for (Int i = 0; i <= numPocLtCurr - 1; i++ ) |
---|
| 2331 | { |
---|
[1356] | 2332 | // For each i in the range of 0 to NumPocLtCurr - 1, inclusive, when CurrDeltaPocMsbPresentFlag[ i ] is equal to 1, |
---|
[1321] | 2333 | // it is a requirement of bitstream conformance that the following conditions apply: |
---|
| 2334 | if ( currDeltaPocMsbPresentFlag[i] ) |
---|
| 2335 | { |
---|
[1356] | 2336 | // - There shall be no j in the range of 0 to NumPocStCurrBefore - 1, inclusive, |
---|
[1321] | 2337 | // for which PocLtCurr[ i ] is equal to PocStCurrBefore[ j ]. |
---|
| 2338 | for (Int j = 0; j <= numPocStCurrBefore - 1; j++ ) |
---|
| 2339 | { |
---|
| 2340 | assert(!( pocLtCurr[ i ] == pocStCurrBefore[ j ] ) ); |
---|
| 2341 | } |
---|
| 2342 | |
---|
[1356] | 2343 | // - There shall be no j in the range of 0 to NumPocStCurrAfter - 1, inclusive, |
---|
| 2344 | // for which PocLtCurr[ i ] is equal to PocStCurrAfter[ j ]. |
---|
[1321] | 2345 | for (Int j = 0; j <= numPocStCurrAfter - 1; j++ ) |
---|
| 2346 | { |
---|
| 2347 | assert(!( pocLtCurr[ i ] == pocStCurrAfter[ j ] ) ); |
---|
| 2348 | } |
---|
| 2349 | |
---|
[1356] | 2350 | // - There shall be no j in the range of 0 to NumPocStFoll - 1, inclusive, |
---|
[1321] | 2351 | // for which PocLtCurr[ i ] is equal to PocStFoll[ j ]. |
---|
| 2352 | for (Int j = 0; j <= numPocStFoll - 1; j++ ) |
---|
| 2353 | { |
---|
| 2354 | assert(!( pocLtCurr[ i ] == pocStFoll[ j ] ) ); |
---|
| 2355 | } |
---|
| 2356 | |
---|
[1356] | 2357 | // - There shall be no j in the range of 0 to NumPocLtCurr - 1, inclusive, |
---|
[1321] | 2358 | // where j is not equal to i, for which PocLtCurr[ i ] is equal to PocLtCurr[ j ]. |
---|
| 2359 | for (Int j = 0; j <= numPocLtCurr - 1; j++ ) |
---|
| 2360 | { |
---|
| 2361 | if ( i != j ) |
---|
[1356] | 2362 | { |
---|
[1321] | 2363 | assert(!( pocLtCurr[ i ] == pocLtCurr[ j ] ) ); |
---|
| 2364 | } |
---|
| 2365 | } |
---|
| 2366 | } |
---|
| 2367 | } |
---|
| 2368 | |
---|
| 2369 | for (Int i = 0; i <= numPocLtFoll - 1; i++ ) |
---|
| 2370 | { |
---|
[1356] | 2371 | // For each i in the range of 0 to NumPocLtFoll - 1, inclusive, when FollDeltaPocMsbPresentFlag[ i ] is equal to 1, |
---|
[1321] | 2372 | // it is a requirement of bitstream conformance that the following conditions apply: |
---|
| 2373 | if ( follDeltaPocMsbPresentFlag[i] ) |
---|
| 2374 | { |
---|
[1356] | 2375 | // - There shall be no j in the range of 0 to NumPocStCurrBefore - 1, inclusive, |
---|
[1321] | 2376 | // for which PocLtFoll[ i ] is equal to PocStCurrBefore[ j ]. |
---|
| 2377 | for (Int j = 0; j <= numPocStCurrBefore - 1; j++ ) |
---|
| 2378 | { |
---|
| 2379 | assert(!( pocLtFoll[ i ] == pocStCurrBefore[ j ] ) ); |
---|
| 2380 | } |
---|
| 2381 | |
---|
[1356] | 2382 | // - There shall be no j in the range of 0 to NumPocStCurrAfter - 1, inclusive, |
---|
[1321] | 2383 | // for which PocLtFoll[ i ] is equal to PocStCurrAfter[ j ]. |
---|
| 2384 | for (Int j = 0; j <= numPocStCurrAfter - 1; j++ ) |
---|
| 2385 | { |
---|
| 2386 | assert(!( pocLtFoll[ i ] == pocStCurrAfter[ j ] ) ); |
---|
| 2387 | } |
---|
| 2388 | |
---|
[1356] | 2389 | // - There shall be no j in the range of 0 to NumPocStFoll - 1, inclusive, |
---|
[1321] | 2390 | // for which PocLtFoll[ i ] is equal to PocStFoll[ j ]. |
---|
| 2391 | for (Int j = 0; j <= numPocStFoll - 1; j++ ) |
---|
| 2392 | { |
---|
| 2393 | assert(!( pocLtFoll[ i ] == pocStFoll[ j ] ) ); |
---|
| 2394 | } |
---|
| 2395 | |
---|
[1356] | 2396 | // - There shall be no j in the range of 0 to NumPocLtFoll - 1, inclusive, |
---|
[1321] | 2397 | // where j is not equal to i, for which PocLtFoll[ i ] is equal to PocLtFoll[ j ]. |
---|
| 2398 | for (Int j = 0; j <= numPocLtFoll - 1; j++ ) |
---|
| 2399 | { |
---|
| 2400 | if (j != i) |
---|
| 2401 | { |
---|
| 2402 | assert(!( pocLtFoll[ i ] == pocLtFoll[ j ] ) ); |
---|
| 2403 | } |
---|
| 2404 | } |
---|
| 2405 | |
---|
[1356] | 2406 | // - There shall be no j in the range of 0 to NumPocLtCurr - 1, inclusive, |
---|
[1321] | 2407 | // for which PocLtFoll[ i ] is equal to PocLtCurr[ j ]. |
---|
| 2408 | for (Int j = 0; j <= numPocLtCurr - 1; j++ ) |
---|
| 2409 | { |
---|
| 2410 | assert(!( pocLtFoll[ i ] == pocLtCurr[ j ] ) ); |
---|
| 2411 | } |
---|
| 2412 | } |
---|
| 2413 | } |
---|
| 2414 | |
---|
[1356] | 2415 | Int maxPicOrderCntLsb = sps->getMaxPicOrderCntLsb(); |
---|
[1321] | 2416 | for (Int i = 0; i <= numPocLtCurr - 1; i++ ) |
---|
| 2417 | { |
---|
[1356] | 2418 | // For each i in the range of 0 to NumPocLtCurr - 1, inclusive, when CurrDeltaPocMsbPresentFlag[ i ] is equal to 0, |
---|
[1321] | 2419 | // it is a requirement of bitstream conformance that the following conditions apply: |
---|
| 2420 | if ( currDeltaPocMsbPresentFlag[ i ] == 0 ) |
---|
| 2421 | { |
---|
[1356] | 2422 | // - There shall be no j in the range of 0 to NumPocStCurrBefore - 1, inclusive, |
---|
[1321] | 2423 | // for which PocLtCurr[ i ] is equal to ( PocStCurrBefore[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2424 | for (Int j = 0; j <= numPocStCurrBefore - 1; j++ ) |
---|
| 2425 | { |
---|
| 2426 | assert(!( pocLtCurr[ i ] == ( pocStCurrBefore[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
| 2427 | } |
---|
| 2428 | |
---|
| 2429 | // - There shall be no j in the range of 0 to NumPocStCurrAfter - 1, inclusive, |
---|
| 2430 | // for which PocLtCurr[ i ] is equal to ( PocStCurrAfter[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2431 | for (Int j = 0; j <= numPocStCurrAfter - 1; j++ ) |
---|
| 2432 | { |
---|
| 2433 | assert(!( pocLtCurr[ i ] == ( pocStCurrAfter[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
| 2434 | } |
---|
| 2435 | |
---|
| 2436 | // - There shall be no j in the range of 0 to NumPocStFoll - 1, inclusive, |
---|
| 2437 | // for which PocLtCurr[ i ] is equal to ( PocStFoll[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2438 | for (Int j = 0; j <= numPocStFoll - 1; j++ ) |
---|
| 2439 | { |
---|
| 2440 | assert(!( pocLtCurr[ i ] == ( pocStFoll[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
| 2441 | } |
---|
| 2442 | |
---|
| 2443 | // - There shall be no j in the range of 0 to NumPocLtCurr - 1, inclusive, |
---|
| 2444 | // where j is not equal to i, for which PocLtCurr[ i ] is equal to ( PocLtCurr[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2445 | for (Int j = 0; j <= numPocLtCurr - 1; j++ ) |
---|
| 2446 | { |
---|
| 2447 | if (j != i) |
---|
| 2448 | { |
---|
| 2449 | assert(!( pocLtCurr[ i ] == ( pocLtCurr[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
| 2450 | } |
---|
| 2451 | } |
---|
| 2452 | } |
---|
| 2453 | } |
---|
| 2454 | |
---|
| 2455 | for (Int i = 0; i <= numPocLtFoll - 1; i++ ) |
---|
| 2456 | { |
---|
[1356] | 2457 | // For each i in the range of 0 to NumPocLtFoll - 1, inclusive, when FollDeltaPocMsbPresentFlag[ i ] is equal to 0, |
---|
[1321] | 2458 | // it is a requirement of bitstream conformance that the following conditions apply: |
---|
| 2459 | if ( follDeltaPocMsbPresentFlag[ i ] == 0 ) |
---|
| 2460 | { |
---|
| 2461 | // - There shall be no j in the range of 0 to NumPocStCurrBefore - 1, inclusive, |
---|
| 2462 | // for which PocLtFoll[ i ] is equal to ( PocStCurrBefore[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2463 | for (Int j = 0; j <= numPocStCurrBefore - 1; j++ ) |
---|
| 2464 | { |
---|
| 2465 | assert(!( pocLtFoll[ i ] == ( pocStCurrBefore[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
| 2466 | } |
---|
| 2467 | |
---|
| 2468 | // - There shall be no j in the range of 0 to NumPocStCurrAfter - 1, inclusive, |
---|
| 2469 | // for which PocLtFoll[ i ] is equal to ( PocStCurrAfter[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2470 | for (Int j = 0; j <= numPocStCurrAfter - 1; j++ ) |
---|
| 2471 | { |
---|
| 2472 | assert(!( pocLtFoll[ i ] == ( pocStCurrAfter[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
| 2473 | } |
---|
| 2474 | |
---|
| 2475 | // - There shall be no j in the range of 0 to NumPocStFoll - 1, inclusive, |
---|
| 2476 | // for which PocLtFoll[ i ] is equal to ( PocStFoll[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2477 | for (Int j = 0; j <= numPocStFoll - 1; j++ ) |
---|
| 2478 | { |
---|
| 2479 | assert(!( pocLtFoll[ i ] == ( pocStFoll[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
| 2480 | } |
---|
| 2481 | |
---|
| 2482 | // - There shall be no j in the range of 0 to NumPocLtFoll - 1, inclusive, |
---|
| 2483 | // where j is not equal to i, for which PocLtFoll[ i ] is equal to ( PocLtFoll[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2484 | for (Int j = 0; j <= numPocLtFoll - 1; j++ ) |
---|
| 2485 | { |
---|
| 2486 | if (j != i) |
---|
| 2487 | { |
---|
| 2488 | assert(!( pocLtFoll[ i ] == ( pocLtFoll[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
[1356] | 2489 | } |
---|
[1321] | 2490 | } |
---|
| 2491 | |
---|
| 2492 | // - There shall be no j in the range of 0 to NumPocLtCurr - 1, inclusive, |
---|
| 2493 | // for which PocLtFoll[ i ] is equal to ( PocLtCurr[ j ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
| 2494 | for (Int j = 0; j <= numPocLtCurr - 1; j++ ) |
---|
| 2495 | { |
---|
| 2496 | assert(!( pocLtFoll[ i ] == ( pocLtCurr[ j ] & ( maxPicOrderCntLsb - 1 ) ) ) ); |
---|
| 2497 | } |
---|
| 2498 | } |
---|
| 2499 | } |
---|
| 2500 | |
---|
| 2501 | if ( !annexFModifications ) |
---|
[1356] | 2502 | { |
---|
| 2503 | // The variable NumPicTotalCurr is derived as specified in clause 7.4.7.2. |
---|
[1321] | 2504 | |
---|
| 2505 | // It is a requirement of bitstream conformance that the following applies to the value of NumPicTotalCurr: |
---|
| 2506 | if ( m_pcPic->isBla() || m_pcPic->isCra() ) |
---|
| 2507 | { |
---|
| 2508 | // - If the current picture is a BLA or CRA picture, the value of NumPicTotalCurr shall be equal to 0. |
---|
[1356] | 2509 | assert( slice->getNumPicTotalCurr() == 0 ); |
---|
[1321] | 2510 | } |
---|
| 2511 | else |
---|
| 2512 | { |
---|
[1356] | 2513 | // - Otherwise, |
---|
[1321] | 2514 | if ( slice->isInterP() || slice->isInterB() ) |
---|
| 2515 | { |
---|
| 2516 | // when the current picture contains a P or B slice, the value of NumPicTotalCurr shall not be equal to 0. |
---|
[1356] | 2517 | assert( slice->getNumPicTotalCurr() != 0 ); |
---|
[1321] | 2518 | } |
---|
| 2519 | } |
---|
| 2520 | } |
---|
[1356] | 2521 | |
---|
| 2522 | // The RPS of the current picture consists of five RPS lists; RefPicSetStCurrBefore, RefPicSetStCurrAfter, RefPicSetStFoll, |
---|
| 2523 | // RefPicSetLtCurr and RefPicSetLtFoll. RefPicSetStCurrBefore, RefPicSetStCurrAfter and RefPicSetStFoll are collectively |
---|
[1321] | 2524 | // referred to as the short-term RPS. RefPicSetLtCurr and RefPicSetLtFoll are collectively referred to as the long-term RPS. |
---|
| 2525 | |
---|
| 2526 | std::vector<TComPic*>& refPicSetStCurrBefore = decRps->m_refPicSetStCurrBefore; |
---|
| 2527 | std::vector<TComPic*>& refPicSetStCurrAfter = decRps->m_refPicSetStCurrAfter ; |
---|
| 2528 | std::vector<TComPic*>& refPicSetStFoll = decRps->m_refPicSetStFoll ; |
---|
| 2529 | std::vector<TComPic*>& refPicSetLtCurr = decRps->m_refPicSetLtCurr ; |
---|
| 2530 | std::vector<TComPic*>& refPicSetLtFoll = decRps->m_refPicSetLtFoll ; |
---|
[1356] | 2531 | |
---|
[1321] | 2532 | std::vector<TComPic*>** refPicSetsCurr = decRps->m_refPicSetsCurr ; |
---|
| 2533 | std::vector<TComPic*>** refPicSetsLt = decRps->m_refPicSetsLt ; |
---|
| 2534 | std::vector<TComPic*>** refPicSetsAll = decRps->m_refPicSetsAll ; |
---|
[1356] | 2535 | // NOTE 3 - RefPicSetStCurrBefore, RefPicSetStCurrAfter and RefPicSetLtCurr contain all reference pictures that may be |
---|
[1321] | 2536 | // used for inter prediction of the current picture and one or more pictures that follow the current picture in decoding order. |
---|
[1356] | 2537 | // RefPicSetStFoll and RefPicSetLtFoll consist of all reference pictures that are not used for inter prediction of the current |
---|
[1321] | 2538 | // picture but may be used in inter prediction for one or more pictures that follow the current picture in decoding order. |
---|
| 2539 | |
---|
| 2540 | // The derivation process for the RPS and picture marking are performed according to the following ordered steps: |
---|
| 2541 | // 1. The following applies: |
---|
| 2542 | |
---|
[1356] | 2543 | TComSubDpb* dpb = m_dpb->getSubDpb( getLayerId(), false ); |
---|
[1321] | 2544 | assert( refPicSetLtCurr.empty() ); |
---|
[1356] | 2545 | for( Int i = 0; i < numPocLtCurr; i++ ) |
---|
[1321] | 2546 | { |
---|
[1356] | 2547 | if( !currDeltaPocMsbPresentFlag[ i ] ) |
---|
| 2548 | { |
---|
| 2549 | refPicSetLtCurr.push_back( dpb->getPicFromLsb( pocLtCurr[ i ], maxPicOrderCntLsb ) ); |
---|
[1321] | 2550 | } |
---|
| 2551 | else |
---|
| 2552 | { |
---|
[1356] | 2553 | refPicSetLtCurr.push_back(dpb->getPic( pocLtCurr[ i ] )); |
---|
| 2554 | } |
---|
[1321] | 2555 | } |
---|
| 2556 | |
---|
| 2557 | assert( refPicSetLtFoll.empty() ); |
---|
| 2558 | for( Int i = 0; i < numPocLtFoll; i++ ) |
---|
| 2559 | { |
---|
| 2560 | if( !follDeltaPocMsbPresentFlag[ i ] ) |
---|
| 2561 | { |
---|
| 2562 | refPicSetLtFoll.push_back(dpb->getPicFromLsb(pocLtFoll[ i ], maxPicOrderCntLsb )); |
---|
| 2563 | } |
---|
| 2564 | else |
---|
| 2565 | { |
---|
[1356] | 2566 | refPicSetLtFoll.push_back(dpb->getPic( pocLtFoll[ i ] )); |
---|
[1321] | 2567 | } |
---|
| 2568 | } |
---|
[1356] | 2569 | |
---|
| 2570 | // 2. All reference pictures that are included in RefPicSetLtCurr or RefPicSetLtFoll and have nuh_layer_id equal |
---|
[1321] | 2571 | // to currPicLayerId are marked as "used for long-term reference". |
---|
| 2572 | for (Int i = 0; i < numPocLtCurr; i++) |
---|
| 2573 | { |
---|
| 2574 | if ( refPicSetLtCurr[i] != NULL ) |
---|
| 2575 | { |
---|
[1356] | 2576 | refPicSetLtCurr[i]->markAsUsedForLongTermReference(); |
---|
| 2577 | } |
---|
[1321] | 2578 | } |
---|
| 2579 | |
---|
| 2580 | for (Int i = 0; i < numPocLtFoll; i++) |
---|
| 2581 | { |
---|
| 2582 | if ( refPicSetLtFoll[i] != NULL ) |
---|
| 2583 | { |
---|
[1356] | 2584 | refPicSetLtFoll[i]->markAsUsedForLongTermReference(); |
---|
| 2585 | } |
---|
[1321] | 2586 | } |
---|
| 2587 | |
---|
| 2588 | // 3. The following applies: |
---|
| 2589 | assert( refPicSetStCurrBefore.empty() ); |
---|
| 2590 | for( Int i = 0; i < numPocStCurrBefore; i++ ) |
---|
| 2591 | { |
---|
[1356] | 2592 | refPicSetStCurrBefore.push_back(dpb->getShortTermRefPic( pocStCurrBefore[ i ] )); |
---|
[1321] | 2593 | } |
---|
| 2594 | |
---|
| 2595 | assert( refPicSetStCurrAfter.empty() ); |
---|
| 2596 | for( Int i = 0; i < numPocStCurrAfter; i++ ) |
---|
| 2597 | { |
---|
[1356] | 2598 | refPicSetStCurrAfter.push_back(dpb->getShortTermRefPic( pocStCurrAfter[ i ] )); |
---|
[1321] | 2599 | } |
---|
| 2600 | |
---|
| 2601 | assert( refPicSetStFoll.empty() ); |
---|
| 2602 | for( Int i = 0; i < numPocStFoll; i++ ) |
---|
| 2603 | { |
---|
[1356] | 2604 | refPicSetStFoll.push_back(dpb->getShortTermRefPic( pocStFoll[ i ] )); |
---|
[1321] | 2605 | } |
---|
[1356] | 2606 | |
---|
| 2607 | // 4. All reference pictures in the DPB that are not included in RefPicSetLtCurr, RefPicSetLtFoll, RefPicSetStCurrBefore, |
---|
[1321] | 2608 | // RefPicSetStCurrAfter, or RefPicSetStFoll and have nuh_layer_id equal to currPicLayerId are marked as "unused for reference". |
---|
[1356] | 2609 | TComSubDpb picsToMark = (*dpb); |
---|
[1321] | 2610 | for (Int j = 0; j < 5; j++ ) |
---|
| 2611 | { |
---|
[1356] | 2612 | picsToMark.removePics( *refPicSetsAll[j] ); |
---|
| 2613 | } |
---|
| 2614 | picsToMark.markAllAsUnusedForReference(); |
---|
| 2615 | |
---|
| 2616 | // NOTE 4 - There may be one or more entries in the RPS lists that are equal to "no reference picture" because |
---|
| 2617 | // the corresponding pictures are not present in the DPB. Entries in RefPicSetStFoll or RefPicSetLtFoll that are equal |
---|
| 2618 | // to "no reference picture" should be ignored. An unintentional picture loss should be inferred for each entry in |
---|
[1321] | 2619 | // RefPicSetStCurrBefore, RefPicSetStCurrAfter, or RefPicSetLtCurr that is equal to "no reference picture". |
---|
| 2620 | |
---|
| 2621 | // NOTE 5 - A picture cannot be included in more than one of the five RPS lists. |
---|
| 2622 | |
---|
[1356] | 2623 | |
---|
[1321] | 2624 | // It is a requirement of bitstream conformance that the RPS is restricted as follows: |
---|
| 2625 | |
---|
| 2626 | |
---|
| 2627 | #if NH_MV_FIX_NO_REF_PICS_CHECK |
---|
| 2628 | if ( !annexFModifications || m_firstPicInLayerDecodedFlag[ m_pcPic->getLayerId() ] ) |
---|
[1356] | 2629 | { |
---|
[1321] | 2630 | #endif |
---|
| 2631 | for (Int j = 0; j < 3; j++ ) |
---|
| 2632 | { |
---|
[1356] | 2633 | // - There shall be no entry in RefPicSetStCurrBefore, RefPicSetStCurrAfter or RefPicSetLtCurr |
---|
[1321] | 2634 | // for which one or more of the following are true: |
---|
| 2635 | |
---|
[1356] | 2636 | std::vector<TComPic*>* currSet = refPicSetsCurr[j]; |
---|
[1321] | 2637 | for (Int i = 0; i < currSet->size(); i++) |
---|
| 2638 | { |
---|
[1356] | 2639 | TComPic* pic = (*currSet)[i]; |
---|
[1321] | 2640 | |
---|
| 2641 | // - The entry is equal to "no reference picture". |
---|
[1356] | 2642 | assert( ! (pic == NULL ) ); |
---|
[1321] | 2643 | |
---|
| 2644 | // - The entry is an SLNR picture and has TemporalId equal to that of the current picture. |
---|
[1356] | 2645 | assert( !( pic->isSlnr() && pic->getTemporalId() == m_pcPic->getTemporalId() ) ); |
---|
[1321] | 2646 | |
---|
| 2647 | // - The entry is a picture that has TemporalId greater than that of the current picture. |
---|
[1356] | 2648 | assert( !( pic->getTemporalId() > m_pcPic->getTemporalId() ) ); |
---|
| 2649 | } |
---|
[1321] | 2650 | } |
---|
| 2651 | #if NH_MV_FIX_NO_REF_PICS_CHECK |
---|
| 2652 | } |
---|
| 2653 | #endif |
---|
[1356] | 2654 | |
---|
| 2655 | // - There shall be no entry in RefPicSetLtCurr or RefPicSetLtFoll for which the |
---|
| 2656 | // difference between the picture order count value of the current picture and the picture order count |
---|
[1321] | 2657 | // value of the entry is greater than or equal to 2^24. |
---|
| 2658 | for (Int j = 0; j < 2; j++ ) |
---|
[1356] | 2659 | { |
---|
| 2660 | std::vector<TComPic*>* ltSet = refPicSetsLt[j]; |
---|
[1321] | 2661 | for (Int i = 0; i < ltSet->size(); i++) |
---|
| 2662 | { |
---|
[1356] | 2663 | TComPic* pic = (*ltSet)[i]; |
---|
[1321] | 2664 | if( pic != NULL ) |
---|
| 2665 | { |
---|
[1356] | 2666 | assert(!( abs( m_pcPic->getPOC() - pic->getPOC() ) >= (1 << 24) )); |
---|
[1321] | 2667 | } |
---|
| 2668 | } |
---|
| 2669 | } |
---|
| 2670 | |
---|
[1356] | 2671 | // - When the current picture is a temporal sub-layer access (TSA) picture, there shall be no picture |
---|
[1321] | 2672 | // included in the RPS with TemporalId greater than or equal to the TemporalId of the current picture. |
---|
| 2673 | if (m_pcPic->isTsa() ) |
---|
| 2674 | { |
---|
| 2675 | for (Int j = 0; j < 5; j++ ) |
---|
[1356] | 2676 | { |
---|
| 2677 | std::vector<TComPic*>* aSet = refPicSetsAll[j]; |
---|
[1321] | 2678 | for (Int i = 0; i < aSet->size(); i++) |
---|
| 2679 | { |
---|
[1356] | 2680 | TComPic* pic = (*aSet)[i]; |
---|
[1321] | 2681 | if( pic != NULL ) |
---|
| 2682 | { |
---|
[1356] | 2683 | assert( ! (pic->getTemporalId() >= m_pcPic->getTemporalId() ) ); |
---|
[1321] | 2684 | } |
---|
| 2685 | } |
---|
| 2686 | } |
---|
| 2687 | } |
---|
| 2688 | |
---|
[1356] | 2689 | // - When the current picture is a step-wise temporal sub-layer access (STSA) picture, |
---|
[1321] | 2690 | // there shall be no picture included in RefPicSetStCurrBefore, RefPicSetStCurrAfter or RefPicSetLtCurr that has |
---|
| 2691 | // TemporalId equal to that of the current picture. |
---|
| 2692 | if (m_pcPic->isStsa() ) |
---|
| 2693 | { |
---|
| 2694 | for (Int j = 0; j < 3; j++ ) |
---|
[1356] | 2695 | { |
---|
| 2696 | std::vector<TComPic*>* cSet = refPicSetsCurr[j]; |
---|
[1321] | 2697 | for (Int i = 0; i < cSet->size(); i++) |
---|
| 2698 | { |
---|
[1356] | 2699 | TComPic* pic = (*cSet)[i]; |
---|
[1321] | 2700 | if( pic != NULL ) |
---|
| 2701 | { |
---|
[1356] | 2702 | assert( ! (pic->getTemporalId() == m_pcPic->getTemporalId() ) ); |
---|
[1321] | 2703 | } |
---|
| 2704 | } |
---|
| 2705 | } |
---|
| 2706 | } |
---|
| 2707 | |
---|
| 2708 | // - When the current picture is a picture that follows, in decoding order, an STSA picture |
---|
| 2709 | // that has TemporalId equal to that of the current picture, there shall be no picture that has |
---|
| 2710 | // TemporalId equal to that of the current picture included in RefPicSetStCurrBefore, RefPicSetStCurrAfter |
---|
| 2711 | // or RefPicSetLtCurr that precedes the STSA picture in decoding order. |
---|
| 2712 | if ( m_pcPic->getDecodingOrder() > m_prevStsaDecOrder && m_pcPic->getTemporalId() == m_prevStsaTemporalId ) |
---|
| 2713 | { |
---|
| 2714 | for (Int j = 0; j < 3; j++ ) |
---|
[1356] | 2715 | { |
---|
| 2716 | std::vector<TComPic*>* cSet = refPicSetsCurr[j]; |
---|
[1321] | 2717 | for (Int i = 0; i < cSet->size(); i++) |
---|
| 2718 | { |
---|
[1356] | 2719 | TComPic* pic = (*cSet)[i]; |
---|
[1321] | 2720 | if( pic != NULL ) |
---|
| 2721 | { |
---|
[1356] | 2722 | assert( ! (pic->getTemporalId() == m_pcPic->getTemporalId() && pic->getDecodingOrder() < m_prevStsaDecOrder ) ); |
---|
[1321] | 2723 | } |
---|
| 2724 | } |
---|
| 2725 | } |
---|
| 2726 | } |
---|
[1356] | 2727 | |
---|
[1321] | 2728 | // - When the current picture is a CRA picture, there shall be no picture included in the RPS that |
---|
| 2729 | // precedes, in output order or decoding order, any preceding IRAP picture in decoding order (when present). |
---|
| 2730 | if ( m_pcPic->isCra() ) |
---|
| 2731 | { |
---|
| 2732 | for (Int j = 0; j < 5; j++ ) |
---|
[1356] | 2733 | { |
---|
| 2734 | std::vector<TComPic*>* aSet = refPicSetsAll[j]; |
---|
[1321] | 2735 | for (Int i = 0; i < aSet->size(); i++) |
---|
| 2736 | { |
---|
| 2737 | // TBD check whether it sufficient to test only the last IRAP |
---|
[1356] | 2738 | TComPic* pic = (*aSet)[i]; |
---|
[1321] | 2739 | if( pic != NULL ) |
---|
[1356] | 2740 | { |
---|
| 2741 | assert( ! (pic->getPOC() < m_prevIrapPoc ) ); |
---|
| 2742 | assert( ! (pic->getDecodingOrder() < m_prevIrapDecodingOrder ) ); |
---|
[1321] | 2743 | } |
---|
| 2744 | } |
---|
| 2745 | } |
---|
| 2746 | } |
---|
[1356] | 2747 | |
---|
[1321] | 2748 | Bool isTrailingPicture = ( !m_pcPic->isIrap() ) && ( m_pcPic->getPOC() > m_prevIrapPoc ); |
---|
| 2749 | // - When the current picture is a trailing picture, there shall be no picture in RefPicSetStCurrBefore, |
---|
| 2750 | // RefPicSetStCurrAfter or RefPicSetLtCurr that was generated by the decoding process for generating unavailable |
---|
| 2751 | // reference pictures as specified in clause 8.3.3. |
---|
| 2752 | if ( isTrailingPicture ) |
---|
| 2753 | { |
---|
| 2754 | for (Int j = 0; j < 3; j++ ) |
---|
[1356] | 2755 | { |
---|
| 2756 | std::vector<TComPic*>* cSet = refPicSetsCurr[j]; |
---|
[1321] | 2757 | for (Int i = 0; i < cSet->size(); i++) |
---|
| 2758 | { |
---|
[1356] | 2759 | TComPic* pic = (*cSet)[i]; |
---|
[1321] | 2760 | if( pic != NULL ) |
---|
| 2761 | { |
---|
[1356] | 2762 | assert( ! (pic->getIsGeneratedCl833() ) ); |
---|
[1321] | 2763 | } |
---|
| 2764 | } |
---|
| 2765 | } |
---|
| 2766 | } |
---|
| 2767 | |
---|
| 2768 | // - When the current picture is a trailing picture, there shall be no picture in the RPS that precedes the |
---|
| 2769 | // associated IRAP picture in output order or decoding order. |
---|
| 2770 | if ( isTrailingPicture ) |
---|
| 2771 | { |
---|
| 2772 | for (Int j = 0; j < 5; j++ ) |
---|
[1356] | 2773 | { |
---|
| 2774 | std::vector<TComPic*>* aSet = refPicSetsAll[j]; |
---|
[1321] | 2775 | for (Int i = 0; i < aSet->size(); i++) |
---|
| 2776 | { |
---|
| 2777 | // TBD check whether it sufficient to test only the last IRAP |
---|
[1356] | 2778 | TComPic* pic = (*aSet)[i]; |
---|
[1321] | 2779 | if( pic != NULL ) |
---|
[1356] | 2780 | { |
---|
| 2781 | assert( ! (pic->getPOC() < m_prevIrapPoc ) ); |
---|
| 2782 | assert( ! (pic->getDecodingOrder() < m_prevIrapDecodingOrder ) ); |
---|
[1321] | 2783 | } |
---|
| 2784 | } |
---|
| 2785 | } |
---|
| 2786 | } |
---|
| 2787 | |
---|
| 2788 | // - When the current picture is a RADL picture, there shall be no picture included in RefPicSetStCurrBefore, |
---|
| 2789 | // RefPicSetStCurrAfter or RefPicSetLtCurr that is any of the following: |
---|
| 2790 | if ( m_pcPic->isRadl() ) |
---|
| 2791 | { |
---|
| 2792 | for (Int j = 0; j < 3; j++ ) |
---|
[1356] | 2793 | { |
---|
| 2794 | std::vector<TComPic*>* cSet = refPicSetsCurr[j]; |
---|
[1321] | 2795 | for (Int i = 0; i < cSet->size(); i++) |
---|
[1356] | 2796 | { |
---|
| 2797 | TComPic* pic = (*cSet)[i]; |
---|
[1321] | 2798 | if( pic != NULL ) |
---|
[1356] | 2799 | { |
---|
[1321] | 2800 | // - A RASL picture |
---|
[1356] | 2801 | assert( ! (pic->isRasl() ) ); |
---|
| 2802 | // - A picture that was generated by the decoding process for generating unavailable reference pictures |
---|
[1321] | 2803 | // as specified in clause 8.3.3 |
---|
[1356] | 2804 | assert( ! (pic->getIsGeneratedCl833() ) ); |
---|
[1321] | 2805 | // - A picture that precedes the associated IRAP picture in decoding order |
---|
[1356] | 2806 | assert( ! (pic->getDecodingOrder() < m_prevIrapDecodingOrder ) ); |
---|
[1321] | 2807 | } |
---|
| 2808 | } |
---|
| 2809 | } |
---|
| 2810 | } |
---|
[1356] | 2811 | |
---|
| 2812 | |
---|
[1321] | 2813 | if ( sps->getTemporalIdNestingFlag() ) |
---|
| 2814 | { |
---|
| 2815 | // - When sps_temporal_id_nesting_flag is equal to 1, the following applies: |
---|
| 2816 | // - Let tIdA be the value of TemporalId of the current picture picA. |
---|
[1356] | 2817 | TComPic* picA = m_pcPic; |
---|
[1321] | 2818 | Int tIdA = picA->getTemporalId(); |
---|
[1356] | 2819 | // - Any picture picB with TemporalId equal to tIdB that is less than or equal to tIdA shall not be included in |
---|
| 2820 | // RefPicSetStCurrBefore, RefPicSetStCurrAfter or RefPicSetLtCurr of picA when there exists a picture picC that |
---|
[1321] | 2821 | // has TemporalId less than tIdB, follows picB in decoding order, and precedes picA in decoding order. |
---|
| 2822 | for (Int j = 0; j < 3; j++ ) |
---|
[1356] | 2823 | { |
---|
| 2824 | std::vector<TComPic*>* cSet = refPicSetsCurr[j]; |
---|
[1321] | 2825 | for (Int i = 0; i < cSet->size(); i++) |
---|
| 2826 | { |
---|
[1356] | 2827 | TComPic* picB = (*cSet)[i]; |
---|
[1321] | 2828 | if( picB != NULL ) |
---|
| 2829 | { |
---|
[1356] | 2830 | Int tIdB = picB->getTemporalId(); |
---|
[1321] | 2831 | |
---|
| 2832 | if (tIdB <= tIdA) |
---|
| 2833 | { |
---|
| 2834 | for ( TComSubDpb::iterator itP = dpb->begin(); itP != dpb->end(); itP++ ) |
---|
| 2835 | { |
---|
[1356] | 2836 | TComPic* picC = (*itP); |
---|
| 2837 | assert(! ( picC->getTemporalId() < tIdB && picC->getDecodingOrder() > picB->getDecodingOrder() && picC->getDecodingOrder() < picA->getDecodingOrder() ) ); |
---|
[1321] | 2838 | } |
---|
| 2839 | } |
---|
| 2840 | } |
---|
| 2841 | } |
---|
| 2842 | } |
---|
[1356] | 2843 | } |
---|
[738] | 2844 | } |
---|
| 2845 | |
---|
[1321] | 2846 | |
---|
| 2847 | Void TDecTop::xF832DecProcForRefPicSet() |
---|
[738] | 2848 | { |
---|
[1321] | 2849 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 2850 | // F.8.3.2 Decoding process for reference picture set |
---|
| 2851 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 2852 | |
---|
| 2853 | // The specifications in clause 8.3.2 apply with the following changes: |
---|
[1356] | 2854 | // - The references to clauses 7.4.7.2, 8.3.1, 8.3.3 and 8.3.4 are replaced with references to |
---|
[1321] | 2855 | // clauses F.7.4.7.2, F.8.3.1, F.8.3.3 and F.8.3.4, respectively. |
---|
| 2856 | |
---|
[1356] | 2857 | x832DecProcForRefPicSet( true ); |
---|
[1321] | 2858 | |
---|
| 2859 | // - The following specifications are added: |
---|
| 2860 | if (m_pcPic->isIrap() && m_pcPic->getLayerId() == m_smallestLayerId ) |
---|
[738] | 2861 | { |
---|
[1356] | 2862 | // - When the current picture is an IRAP picture with nuh_layer_id equal to SmallestLayerId, |
---|
| 2863 | // all reference pictures with any value of nuh_layer_id currently in the DPB (if any) are marked |
---|
[1321] | 2864 | // as "unused for reference" when at least one of the following conditions is true: |
---|
| 2865 | |
---|
| 2866 | if ( m_pcPic->getNoClrasOutputFlag() || m_pcPic->getActivatesNewVps() ) |
---|
| 2867 | { |
---|
| 2868 | // - The current picture has NoClrasOutputFlag is equal to 1. |
---|
| 2869 | // - The current picture activates a new VPS. |
---|
| 2870 | m_dpb->markAllSubDpbAsUnusedForReference( ); |
---|
| 2871 | } |
---|
[738] | 2872 | } |
---|
| 2873 | |
---|
[1321] | 2874 | // - It is a requirement of bitstream conformance that the RPS is restricted as follows: |
---|
[1356] | 2875 | // - When the current picture is a CRA picture, there shall be no picture in RefPicSetStCurrBefore, RefPicSetStCurrAfter |
---|
[1321] | 2876 | // or RefPicSetLtCurr. |
---|
| 2877 | |
---|
| 2878 | std::vector<TComPic*>** refPicSetsCurr = m_pcPic->getDecodedRps()->m_refPicSetsCurr; |
---|
| 2879 | |
---|
| 2880 | if ( m_pcPic->isCra() ) |
---|
| 2881 | { |
---|
[1356] | 2882 | for (Int j = 0; j < 3; j++ ) |
---|
| 2883 | { |
---|
| 2884 | std::vector<TComPic*>* cSet = refPicSetsCurr[j]; |
---|
| 2885 | assert ( cSet->size() == 0 ); |
---|
[1321] | 2886 | } |
---|
| 2887 | } |
---|
| 2888 | |
---|
| 2889 | // - The constraints specified in clause 8.3.2 on the value of NumPicTotalCurr are replaced with the following: |
---|
| 2890 | // - It is a requirement of bitstream conformance that the following applies to the value of NumPicTotalCurr: |
---|
[1356] | 2891 | Int numPicTotalCurr = m_pcPic->getSlice(0)->getNumPicTotalCurr(); |
---|
| 2892 | Int currPicLayerId = m_pcPic->getLayerId(); |
---|
| 2893 | const TComVPS* vps = m_pcPic->getSlice(0)->getVPS(); |
---|
[1321] | 2894 | |
---|
| 2895 | if ( ( m_pcPic->isBla() || m_pcPic->isCra() ) && ( (currPicLayerId == 0 ) || ( vps->getNumDirectRefLayers( currPicLayerId ) == 0 ) ) ) |
---|
[1356] | 2896 | { |
---|
| 2897 | assert( numPicTotalCurr == 0 ); |
---|
| 2898 | // - If the current picture is a BLA or CRA picture and either currPicLayerId is equal to 0 or |
---|
[1321] | 2899 | // NumDirectRefLayers[ currPicLayerId ] is equal to 0, the value of NumPicTotalCurr shall be equal to 0. |
---|
| 2900 | } |
---|
| 2901 | else |
---|
| 2902 | { |
---|
| 2903 | // TBD: check all slices |
---|
| 2904 | if ( m_pcPic->getSlice(0)->getSliceType() == P_SLICE || m_pcPic->getSlice(0)->getSliceType() == B_SLICE ) |
---|
| 2905 | { |
---|
| 2906 | // - Otherwise, when the current picture contains a P or B slice, the value of NumPicTotalCurr shall not be equal to 0. |
---|
[1356] | 2907 | assert( numPicTotalCurr != 0 ); |
---|
[1321] | 2908 | } |
---|
| 2909 | } |
---|
[738] | 2910 | } |
---|
[1196] | 2911 | |
---|
[1313] | 2912 | |
---|
[1321] | 2913 | Void TDecTop::xG813DecProcForInterLayerRefPicSet() |
---|
[1196] | 2914 | { |
---|
[1321] | 2915 | //////////////////////////////////////////////////////////////////// |
---|
| 2916 | // G.8.1.3 Decoding process for inter-layer reference picture set // |
---|
| 2917 | //////////////////////////////////////////////////////////////////// |
---|
| 2918 | |
---|
[1356] | 2919 | // Outputs of this process are updated lists of inter-layer reference pictures RefPicSetInterLayer0 and RefPicSetInterLayer1 |
---|
[1321] | 2920 | // and the variables NumActiveRefLayerPics0 and NumActiveRefLayerPics1. |
---|
| 2921 | |
---|
[1356] | 2922 | TComDecodedRps* decRps = m_pcPic->getDecodedRps(); |
---|
| 2923 | TComSlice* slice = m_pcPic->getSlice( 0 ); |
---|
| 2924 | const TComVPS* vps = slice->getVPS(); |
---|
[1321] | 2925 | |
---|
| 2926 | Int& numActiveRefLayerPics0 = decRps->m_numActiveRefLayerPics0; |
---|
| 2927 | Int& numActiveRefLayerPics1 = decRps->m_numActiveRefLayerPics1; |
---|
| 2928 | |
---|
| 2929 | std::vector<TComPic*>& refPicSetInterLayer0 = decRps->m_refPicSetInterLayer0; |
---|
[1356] | 2930 | std::vector<TComPic*>& refPicSetInterLayer1 = decRps->m_refPicSetInterLayer1; |
---|
[1321] | 2931 | |
---|
| 2932 | // The variable currLayerId is set equal to nuh_layer_id of the current picture. |
---|
[1356] | 2933 | Int currLayerId = getLayerId(); |
---|
[1321] | 2934 | |
---|
[1356] | 2935 | // The lists RefPicSetInterLayer0 and RefPicSetInterLayer1 are first emptied, NumActiveRefLayerPics0 and NumActiveRefLayerPics1 |
---|
[1321] | 2936 | // are set equal to 0 and the following applies: |
---|
| 2937 | |
---|
[1356] | 2938 | refPicSetInterLayer0.clear(); |
---|
| 2939 | refPicSetInterLayer1.clear(); |
---|
[1321] | 2940 | |
---|
[1356] | 2941 | numActiveRefLayerPics0 = 0; |
---|
| 2942 | numActiveRefLayerPics1 = 0; |
---|
[1321] | 2943 | |
---|
[1356] | 2944 | Int viewIdCurrLayerId = vps->getViewId( currLayerId ); |
---|
[1321] | 2945 | Int viewId0 = vps->getViewId( 0 ); |
---|
| 2946 | |
---|
[1356] | 2947 | for( Int i = 0; i < slice->getNumActiveRefLayerPics(); i++ ) |
---|
[1313] | 2948 | { |
---|
[1356] | 2949 | Int viewIdRefPicLayerIdi = vps->getViewId( slice->getRefPicLayerId( i ) ); |
---|
[1321] | 2950 | |
---|
| 2951 | Bool refPicSet0Flag = |
---|
| 2952 | ( ( viewIdCurrLayerId <= viewId0 && viewIdCurrLayerId <= viewIdRefPicLayerIdi ) || |
---|
| 2953 | ( viewIdCurrLayerId >= viewId0 && viewIdCurrLayerId >= viewIdRefPicLayerIdi ) ); |
---|
| 2954 | |
---|
| 2955 | TComPic* picX = m_dpb->getAu(slice->getPOC(), false )->getPic( slice->getRefPicLayerId( i ) ); |
---|
| 2956 | if ( picX != NULL ) |
---|
| 2957 | { |
---|
| 2958 | // there is a picture picX in the DPB that is in the same access unit as the current picture and has |
---|
[1356] | 2959 | // nuh_layer_id equal to RefPicLayerId[ i ] |
---|
[1321] | 2960 | |
---|
| 2961 | if ( refPicSet0Flag ) |
---|
| 2962 | { |
---|
| 2963 | refPicSetInterLayer0.push_back( picX ); |
---|
| 2964 | refPicSetInterLayer0[ numActiveRefLayerPics0++ ]->markAsUsedForLongTermReference(); |
---|
| 2965 | } |
---|
| 2966 | else |
---|
| 2967 | { |
---|
| 2968 | refPicSetInterLayer1.push_back( picX ); |
---|
| 2969 | refPicSetInterLayer1[ numActiveRefLayerPics1++ ]->markAsUsedForLongTermReference(); |
---|
| 2970 | } |
---|
| 2971 | |
---|
| 2972 | // There shall be no picture that has discardable_flag equal to 1 in RefPicSetInterLayer0 or RefPicSetInterLayer1. |
---|
| 2973 | assert( ! picX->getSlice(0)->getDiscardableFlag() ); |
---|
| 2974 | |
---|
[1356] | 2975 | // If the current picture is a RADL picture, there shall be no entry in RefPicSetInterLayer0 or RefPicSetInterLayer1 |
---|
[1321] | 2976 | // that is a RASL picture. |
---|
| 2977 | if ( m_pcPic->isRadl() ) |
---|
| 2978 | { |
---|
| 2979 | assert( ! picX->isRasl() ); |
---|
| 2980 | } |
---|
| 2981 | } |
---|
| 2982 | else |
---|
| 2983 | { |
---|
| 2984 | if( refPicSet0Flag ) |
---|
| 2985 | { |
---|
| 2986 | refPicSetInterLayer0.push_back( NULL ); // "no reference picture" (G 1) |
---|
| 2987 | numActiveRefLayerPics0++; |
---|
| 2988 | } |
---|
| 2989 | else |
---|
| 2990 | { |
---|
| 2991 | refPicSetInterLayer1.push_back( NULL ); // "no reference picture"; |
---|
| 2992 | numActiveRefLayerPics1++; |
---|
| 2993 | } |
---|
| 2994 | // There shall be no entry equal to "no reference picture" in RefPicSetInterLayer0 or RefPicSetInterLayer1. |
---|
| 2995 | assert( false ); |
---|
| 2996 | } |
---|
[1313] | 2997 | } |
---|
[1321] | 2998 | } |
---|
| 2999 | |
---|
| 3000 | |
---|
| 3001 | Void TDecTop::x8331GenDecProcForGenUnavilRefPics() |
---|
| 3002 | { |
---|
| 3003 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 3004 | // 8.3.3.1 General decoding process for generating unavailable reference pictures //// |
---|
| 3005 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 3006 | |
---|
[1356] | 3007 | // This process is invoked once per coded picture when the current picture is a |
---|
[1321] | 3008 | // BLA picture or is a CRA picture with NoRaslOutputFlag equal to 1. |
---|
| 3009 | |
---|
| 3010 | assert( m_pcPic->isBla() || (m_pcPic->isCra() && m_pcPic->getNoRaslOutputFlag() ) ); |
---|
[1356] | 3011 | TComDecodedRps* decRps = m_pcPic->getDecodedRps(); |
---|
[1321] | 3012 | |
---|
| 3013 | std::vector<TComPic*>& refPicSetStFoll = decRps->m_refPicSetStFoll; |
---|
[1356] | 3014 | std::vector<TComPic*>& refPicSetLtFoll = decRps->m_refPicSetLtFoll; |
---|
[1321] | 3015 | |
---|
| 3016 | const std::vector<Int>& pocStFoll = decRps->m_pocStFoll; |
---|
| 3017 | const std::vector<Int>& pocLtFoll = decRps->m_pocLtFoll; |
---|
| 3018 | |
---|
| 3019 | const Int numPocStFoll = decRps->m_numPocStFoll; |
---|
[1356] | 3020 | const Int numPocLtFoll = decRps->m_numPocLtFoll; |
---|
[1321] | 3021 | |
---|
| 3022 | // When this process is invoked, the following applies: |
---|
| 3023 | for ( Int i = 0 ; i <= numPocStFoll - 1; i++ ) |
---|
[1313] | 3024 | { |
---|
[1321] | 3025 | if ( refPicSetStFoll[ i ] == NULL ) |
---|
[1196] | 3026 | { |
---|
[1356] | 3027 | //- For each RefPicSetStFoll[ i ], with i in the range of 0 to NumPocStFoll - 1, inclusive, that is equal |
---|
[1321] | 3028 | // to "no reference picture", a picture is generated as specified in clause 8.3.3.2, and the following applies: |
---|
[1356] | 3029 | TComPic* genPic = x8332GenOfOneUnavailPic( true ); |
---|
[1321] | 3030 | |
---|
| 3031 | // - The value of PicOrderCntVal for the generated picture is set equal to PocStFoll[ i ]. |
---|
| 3032 | genPic->getSlice(0)->setPOC( pocStFoll[ i ] ); |
---|
| 3033 | |
---|
[1356] | 3034 | //- The value of PicOutputFlag for the generated picture is set equal to 0. |
---|
| 3035 | genPic->setPicOutputFlag( false ); |
---|
[1321] | 3036 | |
---|
| 3037 | // - The generated picture is marked as "used for short-term reference". |
---|
| 3038 | genPic->markAsUsedForShortTermReference(); |
---|
| 3039 | |
---|
| 3040 | // - RefPicSetStFoll[ i ] is set to be the generated reference picture. |
---|
| 3041 | refPicSetStFoll[ i ] = genPic; |
---|
| 3042 | |
---|
| 3043 | // - The value of nuh_layer_id for the generated picture is set equal to nuh_layer_id of the current picture. |
---|
[1356] | 3044 | genPic->setLayerId( m_pcPic-> getLayerId() ); |
---|
[1321] | 3045 | |
---|
| 3046 | // Insert to DPB |
---|
[1356] | 3047 | m_dpb->addNewPic( genPic ); |
---|
[1321] | 3048 | } |
---|
[1313] | 3049 | } |
---|
[1196] | 3050 | |
---|
[1321] | 3051 | for ( Int i = 0 ; i <= numPocLtFoll - 1; i++ ) |
---|
| 3052 | { |
---|
| 3053 | if ( refPicSetLtFoll[ i ] == NULL ) |
---|
| 3054 | { |
---|
[1356] | 3055 | //- For each RefPicSetLtFoll[ i ], with i in the range of 0 to NumPocLtFoll - 1, inclusive, that is equal to |
---|
[1321] | 3056 | // "no reference picture", a picture is generated as specified in clause 8.3.3.2, and the following applies: |
---|
[1356] | 3057 | TComPic* genPic = x8332GenOfOneUnavailPic( true ); |
---|
[1321] | 3058 | |
---|
| 3059 | //- The value of PicOrderCntVal for the generated picture is set equal to PocLtFoll[ i ]. |
---|
| 3060 | genPic->getSlice(0)->setPOC( pocStFoll[ i ] ); |
---|
| 3061 | |
---|
| 3062 | // - The value of slice_pic_order_cnt_lsb for the generated picture is inferred to be equal to ( PocLtFoll[ i ] & ( MaxPicOrderCntLsb - 1 ) ). |
---|
[1356] | 3063 | genPic->getSlice(0)->setSlicePicOrderCntLsb( ( pocLtFoll[ i ] & ( m_pcPic->getSlice(0)->getSPS()->getMaxPicOrderCntLsb() - 1 ) ) ); |
---|
[1321] | 3064 | |
---|
[1356] | 3065 | // - The value of PicOutputFlag for the generated picture is set equal to 0. |
---|
| 3066 | genPic->setPicOutputFlag( false ); |
---|
[1321] | 3067 | |
---|
| 3068 | // - The generated picture is marked as "used for long-term reference". |
---|
| 3069 | genPic->markAsUsedForLongTermReference(); |
---|
| 3070 | |
---|
| 3071 | // - RefPicSetLtFoll[ i ] is set to be the generated reference picture. |
---|
| 3072 | refPicSetLtFoll[ i ] = genPic; |
---|
| 3073 | |
---|
| 3074 | // - The value of nuh_layer_id for the generated picture is set equal to nuh_layer_id of the current picture. |
---|
[1356] | 3075 | genPic->setLayerId( m_pcPic-> getLayerId() ); |
---|
[1321] | 3076 | |
---|
| 3077 | // Insert to DPB |
---|
[1356] | 3078 | m_dpb->addNewPic( genPic ); |
---|
[1321] | 3079 | } |
---|
| 3080 | } |
---|
[1196] | 3081 | } |
---|
[1321] | 3082 | |
---|
| 3083 | |
---|
| 3084 | TComPic* TDecTop::x8332GenOfOneUnavailPic( Bool calledFromCl8331 ) |
---|
| 3085 | { |
---|
| 3086 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 3087 | // 8.3.3.2 Generation of one unavailable picture |
---|
| 3088 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 3089 | |
---|
[1356] | 3090 | TComPic* genPic = new TComPic; |
---|
| 3091 | genPic->create( *m_pcPic->getSlice(0)->getSPS(), *m_pcPic->getSlice(0)->getPPS(), true ); |
---|
| 3092 | genPic->setIsGenerated( true ); |
---|
| 3093 | genPic->setIsGeneratedCl833( calledFromCl8331 ); |
---|
[1321] | 3094 | return genPic; |
---|
| 3095 | } |
---|
| 3096 | |
---|
| 3097 | |
---|
| 3098 | Void TDecTop::xF817DecProcForGenUnavRefPicForPicsFrstInDecOrderInLay() |
---|
| 3099 | { |
---|
| 3100 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
[1356] | 3101 | // F.8.1.7 Decoding process for generating unavailable reference pictures for pictures |
---|
[1321] | 3102 | // first in decoding order within a layer |
---|
| 3103 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 3104 | |
---|
[1356] | 3105 | // This process is invoked for a picture with nuh_layer_id equal to layerId, when FirstPicInLayerDecodedFlag[layerId ] is equal to 0. |
---|
[1321] | 3106 | assert( !m_firstPicInLayerDecodedFlag[ getLayerId() ] ); |
---|
| 3107 | |
---|
| 3108 | |
---|
[1356] | 3109 | TComDecodedRps* decRps = m_pcPic->getDecodedRps(); |
---|
[1321] | 3110 | |
---|
[1356] | 3111 | std::vector<TComPic*>& refPicSetStCurrBefore = decRps->m_refPicSetStCurrBefore; |
---|
[1321] | 3112 | std::vector<TComPic*>& refPicSetStCurrAfter = decRps->m_refPicSetStCurrAfter; |
---|
| 3113 | std::vector<TComPic*>& refPicSetStFoll = decRps->m_refPicSetStFoll; |
---|
[1356] | 3114 | std::vector<TComPic*>& refPicSetLtCurr = decRps->m_refPicSetLtCurr; |
---|
| 3115 | std::vector<TComPic*>& refPicSetLtFoll = decRps->m_refPicSetLtFoll; |
---|
[1321] | 3116 | |
---|
| 3117 | |
---|
| 3118 | const std::vector<Int>& pocStCurrBefore = decRps->m_pocStCurrBefore; |
---|
| 3119 | const std::vector<Int>& pocStCurrAfter = decRps->m_pocStCurrAfter; |
---|
| 3120 | const std::vector<Int>& pocStFoll = decRps->m_pocStFoll; |
---|
| 3121 | const std::vector<Int>& pocLtCurr = decRps->m_pocLtCurr; |
---|
| 3122 | const std::vector<Int>& pocLtFoll = decRps->m_pocLtFoll; |
---|
| 3123 | |
---|
[1356] | 3124 | const Int numPocStCurrBefore = decRps->m_numPocStCurrBefore; |
---|
[1321] | 3125 | const Int numPocStCurrAfter = decRps->m_numPocStCurrAfter; |
---|
| 3126 | const Int numPocStFoll = decRps->m_numPocStFoll; |
---|
| 3127 | const Int numPocLtCurr = decRps->m_numPocLtCurr; |
---|
[1356] | 3128 | const Int numPocLtFoll = decRps->m_numPocLtFoll; |
---|
[1321] | 3129 | |
---|
[1356] | 3130 | Int nuhLayerId = m_pcPic-> getLayerId(); |
---|
[1321] | 3131 | for ( Int i = 0 ; i <= numPocStCurrBefore - 1; i++ ) |
---|
| 3132 | { |
---|
| 3133 | if ( refPicSetStCurrBefore[ i ] == NULL ) |
---|
| 3134 | { |
---|
[1356] | 3135 | //- For each RefPicSetStCurrBefore[ i ], with i in the range of 0 to NumPocStCurrBefore - 1, inclusive, that is |
---|
[1321] | 3136 | // equal to "no reference picture", a picture is generated as specified in clause 8.3.3.2 and the following applies: |
---|
[1356] | 3137 | TComPic* genPic = x8332GenOfOneUnavailPic( false ); |
---|
[1321] | 3138 | |
---|
| 3139 | //- The value of PicOrderCntVal for the generated picture is set equal to PocStCurrBefore[ i ]. |
---|
| 3140 | genPic->getSlice(0)->setPOC( pocStCurrBefore[ i ] ); |
---|
| 3141 | |
---|
| 3142 | // - The value of PicOutputFlag for the generated picture is set equal to 0. |
---|
[1356] | 3143 | genPic->setPicOutputFlag( false ); |
---|
[1321] | 3144 | |
---|
| 3145 | // - The generated picture is marked as "used for short-term reference". |
---|
| 3146 | genPic->markAsUsedForShortTermReference(); |
---|
| 3147 | |
---|
| 3148 | // - RefPicSetStCurrBefore[ i ] is set to be the generated reference picture. |
---|
| 3149 | refPicSetStCurrBefore[ i ] = genPic; |
---|
| 3150 | |
---|
| 3151 | // - The value of nuh_layer_id for the generated picture is set equal to nuh_layer_id. |
---|
[1356] | 3152 | genPic->setLayerId( nuhLayerId ); |
---|
[1321] | 3153 | |
---|
| 3154 | // Insert to DPB |
---|
[1356] | 3155 | m_dpb->addNewPic( genPic ); |
---|
[1321] | 3156 | } |
---|
| 3157 | } |
---|
| 3158 | |
---|
| 3159 | for ( Int i = 0 ; i <= numPocStCurrAfter - 1; i++ ) |
---|
| 3160 | { |
---|
| 3161 | if ( refPicSetStCurrAfter[ i ] == NULL ) |
---|
| 3162 | { |
---|
[1356] | 3163 | // - For each RefPicSetStCurrAfter[ i ], with i in the range of 0 to NumPocStCurrAfter - 1, inclusive, that is equal |
---|
[1321] | 3164 | // to "no reference picture", a picture is generated as specified in clause 8.3.3.2 and the following applies: |
---|
[1356] | 3165 | TComPic* genPic = x8332GenOfOneUnavailPic( false ); |
---|
[1321] | 3166 | |
---|
| 3167 | // - The value of PicOrderCntVal for the generated picture is set equal to PocStCurrAfter[ i ]. |
---|
| 3168 | genPic->getSlice(0)->setPOC( pocStCurrAfter[ i ] ); |
---|
| 3169 | |
---|
| 3170 | // - The value of PicOutputFlag for the generated picture is set equal to 0. |
---|
[1356] | 3171 | genPic->setPicOutputFlag( false ); |
---|
[1321] | 3172 | |
---|
| 3173 | // - The generated picture is marked as "used for short-term reference". |
---|
| 3174 | genPic->markAsUsedForShortTermReference(); |
---|
| 3175 | |
---|
| 3176 | // - RefPicSetStCurrAfter[ i ] is set to be the generated reference picture. |
---|
| 3177 | refPicSetStCurrAfter[ i ] = genPic; |
---|
| 3178 | |
---|
| 3179 | // - The value of nuh_layer_id for the generated picture is set equal to nuh_layer_id. |
---|
[1356] | 3180 | genPic->setLayerId( nuhLayerId ); |
---|
[1321] | 3181 | |
---|
| 3182 | // Insert to DPB |
---|
[1356] | 3183 | m_dpb->addNewPic( genPic ); |
---|
[1321] | 3184 | |
---|
| 3185 | } |
---|
| 3186 | } |
---|
| 3187 | |
---|
| 3188 | for ( Int i = 0 ; i <= numPocStFoll - 1; i++ ) |
---|
| 3189 | { |
---|
| 3190 | if ( refPicSetStFoll[ i ] == NULL ) |
---|
| 3191 | { |
---|
[1356] | 3192 | // - For each RefPicSetStFoll[ i ], with i in the range of 0 to NumPocStFoll - 1, inclusive, that is equal to "no |
---|
[1321] | 3193 | // reference picture", a picture is generated as specified in clause 8.3.3.2 and the following applies: |
---|
[1356] | 3194 | TComPic* genPic = x8332GenOfOneUnavailPic( false ); |
---|
[1321] | 3195 | |
---|
| 3196 | // - The value of PicOrderCntVal for the generated picture is set equal to PocStFoll[ i ]. |
---|
| 3197 | genPic->getSlice(0)->setPOC( pocStFoll[ i ] ); |
---|
| 3198 | |
---|
| 3199 | // - The value of PicOutputFlag for the generated picture is set equal to 0. |
---|
[1356] | 3200 | genPic->setPicOutputFlag( false ); |
---|
[1321] | 3201 | |
---|
| 3202 | // - The generated picture is marked as "used for short-term reference". |
---|
| 3203 | genPic->markAsUsedForShortTermReference(); |
---|
| 3204 | |
---|
| 3205 | // - RefPicSetStFoll[ i ] is set to be the generated reference picture. |
---|
| 3206 | refPicSetStFoll[ i ] = genPic; |
---|
| 3207 | |
---|
| 3208 | // - The value of nuh_layer_id for the generated picture is set equal to nuh_layer_id. |
---|
[1356] | 3209 | genPic->setLayerId( nuhLayerId ); |
---|
[1321] | 3210 | |
---|
| 3211 | // Insert to DPB |
---|
[1356] | 3212 | m_dpb->addNewPic( genPic ); |
---|
[1321] | 3213 | } |
---|
| 3214 | } |
---|
| 3215 | |
---|
[1356] | 3216 | Int maxPicOrderCntLsb = m_pcPic->getSlice(0)->getSPS()->getMaxPicOrderCntLsb(); |
---|
[1321] | 3217 | for ( Int i = 0 ; i <= numPocLtCurr - 1; i++ ) |
---|
| 3218 | { |
---|
| 3219 | if ( refPicSetLtCurr[ i ] == NULL ) |
---|
| 3220 | { |
---|
[1356] | 3221 | // - For each RefPicSetLtCurr[ i ], with i in the range of 0 to NumPocLtCurr - 1, inclusive, that is equal to "no |
---|
[1321] | 3222 | // reference picture", a picture is generated as specified in clause 8.3.3.2 and the following applies: |
---|
[1356] | 3223 | TComPic* genPic = x8332GenOfOneUnavailPic( false ); |
---|
[1321] | 3224 | |
---|
| 3225 | // - The value of PicOrderCntVal for the generated picture is set equal to PocLtCurr[ i ]. |
---|
| 3226 | genPic->getSlice(0)->setPOC( pocLtCurr[ i ] ); |
---|
| 3227 | |
---|
[1356] | 3228 | // - The value of slice_pic_order_cnt_lsb for the generated picture is inferred to be equal to ( PocLtCurr[ i ] & ( |
---|
[1321] | 3229 | // MaxPicOrderCntLsb - 1 ) ). |
---|
[1356] | 3230 | genPic->getSlice(0)->setSlicePicOrderCntLsb( ( pocLtCurr[ i ] & ( maxPicOrderCntLsb - 1 ) ) ); |
---|
[1321] | 3231 | |
---|
| 3232 | // - The value of PicOutputFlag for the generated picture is set equal to 0. |
---|
[1356] | 3233 | genPic->setPicOutputFlag( false ); |
---|
[1321] | 3234 | |
---|
| 3235 | // - The generated picture is marked as "used for long-term reference". |
---|
| 3236 | genPic->markAsUsedForLongTermReference(); |
---|
| 3237 | |
---|
| 3238 | // - RefPicSetLtCurr[ i ] is set to be the generated reference picture. |
---|
| 3239 | refPicSetLtCurr[ i ] = genPic; |
---|
| 3240 | |
---|
| 3241 | // - The value of nuh_layer_id for the generated picture is set equal to nuh_layer_id. |
---|
[1356] | 3242 | genPic->setLayerId( nuhLayerId ); |
---|
[1321] | 3243 | |
---|
| 3244 | // Insert to DPB |
---|
[1356] | 3245 | m_dpb->addNewPic( genPic ); |
---|
[1321] | 3246 | } |
---|
| 3247 | } |
---|
| 3248 | |
---|
| 3249 | for ( Int i = 0 ; i <= numPocLtFoll - 1; i++ ) |
---|
| 3250 | { |
---|
| 3251 | if ( refPicSetLtFoll[ i ] == NULL ) |
---|
| 3252 | { |
---|
[1356] | 3253 | // - For each RefPicSetLtFoll[ i ], with i in the range of 0 to NumPocLtFoll - 1, inclusive, that is equal to "no |
---|
[1321] | 3254 | // reference picture", a picture is generated as specified in clause 8.3.3.2 and the following applies: |
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[1356] | 3255 | TComPic* genPic = x8332GenOfOneUnavailPic( false ); |
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[1321] | 3256 | |
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| 3257 | // - The value of PicOrderCntVal for the generated picture is set equal to PocLtFoll[ i ]. |
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| 3258 | genPic->getSlice(0)->setPOC( pocLtFoll[ i ] ); |
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| 3259 | |
---|
[1356] | 3260 | // - The value of slice_pic_order_cnt_lsb for the generated picture is inferred to be equal to ( PocLtCurr[ i ] & ( |
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[1321] | 3261 | // MaxPicOrderCntLsb - 1 ) ). |
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[1356] | 3262 | genPic->getSlice(0)->setSlicePicOrderCntLsb( ( pocLtCurr[ i ] & ( maxPicOrderCntLsb - 1 ) ) ); |
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[1321] | 3263 | |
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| 3264 | // - The value of PicOutputFlag for the generated picture is set equal to 0. |
---|
[1356] | 3265 | genPic->setPicOutputFlag( false ); |
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[1321] | 3266 | |
---|
| 3267 | // - The generated picture is marked as "used for long-term reference". |
---|
| 3268 | genPic->markAsUsedForLongTermReference(); |
---|
| 3269 | |
---|
| 3270 | // - RefPicSetLtFoll[ i ] is set to be the generated reference picture. |
---|
| 3271 | refPicSetLtFoll[ i ] = genPic; |
---|
| 3272 | |
---|
| 3273 | // - The value of nuh_layer_id for the generated picture is set equal to nuh_layer_id. |
---|
[1356] | 3274 | genPic->setLayerId( nuhLayerId ); |
---|
[1321] | 3275 | |
---|
| 3276 | // Insert to DPB |
---|
[1356] | 3277 | m_dpb->addNewPic( genPic ); |
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[1321] | 3278 | } |
---|
| 3279 | } |
---|
| 3280 | } |
---|
| 3281 | |
---|
| 3282 | Void TDecTop::xF833DecProcForGenUnavRefPics() |
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| 3283 | { |
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| 3284 | /////////////////////////////////////////////////////////////////////////////////////// |
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| 3285 | // F.8.3.3 Decoding process for generating unavailable reference picture |
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| 3286 | /////////////////////////////////////////////////////////////////////////////////////// |
---|
| 3287 | |
---|
| 3288 | x8331GenDecProcForGenUnavilRefPics(); |
---|
| 3289 | } |
---|
| 3290 | |
---|
| 3291 | Void TDecTop::xCheckUnavailableRefPics() |
---|
| 3292 | { |
---|
| 3293 | std::vector<TComPic*>** refPicSetsCurr = m_pcPic->getDecodedRps()->m_refPicSetsCurr; |
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| 3294 | |
---|
[1356] | 3295 | Bool hasGeneratedRefPic = false; |
---|
| 3296 | for (Int j = 0; j < 3; j++ ) |
---|
| 3297 | { |
---|
| 3298 | std::vector<TComPic*>* cSet = refPicSetsCurr[j]; |
---|
[1321] | 3299 | for (Int i = 0 ; i < cSet->size(); i++ ) |
---|
| 3300 | { |
---|
| 3301 | assert( (*cSet)[i] != NULL ); |
---|
| 3302 | if ((*cSet)[i]->getIsGenerated() ) |
---|
| 3303 | { |
---|
[1356] | 3304 | hasGeneratedRefPic = true; |
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[1321] | 3305 | } |
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| 3306 | } |
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| 3307 | } |
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[1356] | 3308 | m_pcPic->setHasGeneratedRefPics( hasGeneratedRefPic ); |
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[1321] | 3309 | } |
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| 3310 | |
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[608] | 3311 | #endif |
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[1313] | 3312 | |
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[56] | 3313 | //! \} |
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