[324] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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| 4 | * granted under this license. |
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| 5 | * |
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| 6 | * Copyright (c) 2010-2013, ITU/ISO/IEC |
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| 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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| 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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| 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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| 33 | |
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| 34 | /** \file TDecTop.cpp |
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| 35 | \brief decoder class |
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| 36 | */ |
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| 37 | |
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| 38 | #include "NALread.h" |
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| 39 | #include "TDecTop.h" |
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| 40 | |
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[368] | 41 | #if H_MV |
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| 42 | ParameterSetManagerDecoder TDecTop::m_parameterSetManagerDecoder; |
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| 43 | #endif |
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[324] | 44 | //! \ingroup TLibDecoder |
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| 45 | //! \{ |
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| 46 | |
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[446] | 47 | #if H_3D |
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| 48 | CamParsCollector::CamParsCollector() |
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| 49 | : m_bInitialized( false ) |
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| 50 | { |
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| 51 | m_aaiCodedOffset = new Int* [ MAX_NUM_LAYERS ]; |
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| 52 | m_aaiCodedScale = new Int* [ MAX_NUM_LAYERS ]; |
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| 53 | m_aiViewId = new Int [ MAX_NUM_LAYERS ]; |
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| 54 | m_aiLayerIdx = new Int [ MAX_NUM_LAYERS ]; |
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| 55 | |
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| 56 | m_bViewReceived = new Bool [ MAX_NUM_LAYERS ]; |
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| 57 | for( UInt uiId = 0; uiId < MAX_NUM_LAYERS; uiId++ ) |
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| 58 | { |
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| 59 | m_aaiCodedOffset [ uiId ] = new Int [ MAX_NUM_LAYERS ]; |
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| 60 | m_aaiCodedScale [ uiId ] = new Int [ MAX_NUM_LAYERS ]; |
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| 61 | } |
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| 62 | |
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| 63 | xCreateLUTs( (UInt)MAX_NUM_LAYERS, (UInt)MAX_NUM_LAYERS, m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT ); |
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| 64 | m_iLog2Precision = LOG2_DISP_PREC_LUT; |
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| 65 | m_uiBitDepthForLUT = 8; // fixed |
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| 66 | } |
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| 67 | |
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| 68 | CamParsCollector::~CamParsCollector() |
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| 69 | { |
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| 70 | for( UInt uiId = 0; uiId < MAX_NUM_LAYERS; uiId++ ) |
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| 71 | { |
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| 72 | delete [] m_aaiCodedOffset [ uiId ]; |
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| 73 | delete [] m_aaiCodedScale [ uiId ]; |
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| 74 | } |
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| 75 | delete [] m_aaiCodedOffset; |
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| 76 | delete [] m_aaiCodedScale; |
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| 77 | delete [] m_aiViewId; |
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| 78 | delete [] m_bViewReceived; |
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| 79 | |
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| 80 | xDeleteArray( m_adBaseViewShiftLUT, MAX_NUM_LAYERS, MAX_NUM_LAYERS, 2 ); |
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| 81 | xDeleteArray( m_aiBaseViewShiftLUT, MAX_NUM_LAYERS, MAX_NUM_LAYERS, 2 ); |
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| 82 | } |
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| 83 | |
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| 84 | Void |
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| 85 | CamParsCollector::init( FILE* pCodedScaleOffsetFile ) |
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| 86 | { |
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| 87 | m_bInitialized = true; |
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| 88 | m_pCodedScaleOffsetFile = pCodedScaleOffsetFile; |
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| 89 | m_uiCamParsCodedPrecision = 0; |
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| 90 | m_bCamParsVaryOverTime = false; |
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| 91 | m_iLastViewIndex = -1; |
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| 92 | m_iLastPOC = -1; |
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| 93 | m_uiMaxViewIndex = 0; |
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| 94 | } |
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| 95 | |
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| 96 | Void |
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| 97 | CamParsCollector::xCreateLUTs( UInt uiNumberSourceViews, UInt uiNumberTargetViews, Double****& radLUT, Int****& raiLUT) |
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| 98 | { |
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| 99 | |
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| 100 | uiNumberSourceViews = std::max( (UInt) 1, uiNumberSourceViews ); |
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| 101 | uiNumberTargetViews = std::max( (UInt) 1, uiNumberTargetViews ); |
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| 102 | |
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| 103 | radLUT = new Double***[ uiNumberSourceViews ]; |
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| 104 | raiLUT = new Int ***[ uiNumberSourceViews ]; |
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| 105 | |
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| 106 | for( UInt uiSourceView = 0; uiSourceView < uiNumberSourceViews; uiSourceView++ ) |
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| 107 | { |
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| 108 | radLUT [ uiSourceView ] = new Double**[ uiNumberTargetViews ]; |
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| 109 | raiLUT [ uiSourceView ] = new Int **[ uiNumberTargetViews ]; |
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| 110 | |
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| 111 | for( UInt uiTargetView = 0; uiTargetView < uiNumberTargetViews; uiTargetView++ ) |
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| 112 | { |
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| 113 | radLUT [ uiSourceView ][ uiTargetView ] = new Double*[ 2 ]; |
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| 114 | radLUT [ uiSourceView ][ uiTargetView ][ 0 ] = new Double [ 257 ]; |
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| 115 | radLUT [ uiSourceView ][ uiTargetView ][ 1 ] = new Double [ 257 ]; |
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| 116 | |
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| 117 | raiLUT [ uiSourceView ][ uiTargetView ] = new Int* [ 2 ]; |
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| 118 | raiLUT [ uiSourceView ][ uiTargetView ][ 0 ] = new Int [ 257 ]; |
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| 119 | raiLUT [ uiSourceView ][ uiTargetView ][ 1 ] = new Int [ 257 ]; |
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| 120 | } |
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| 121 | } |
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| 122 | } |
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| 123 | |
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| 124 | Void |
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| 125 | CamParsCollector::xInitLUTs( UInt uiSourceView, UInt uiTargetView, Int iScale, Int iOffset, Double****& radLUT, Int****& raiLUT) |
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| 126 | { |
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| 127 | Int iLog2DivLuma = m_uiBitDepthForLUT + m_uiCamParsCodedPrecision + 1 - m_iLog2Precision; AOF( iLog2DivLuma > 0 ); |
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| 128 | Int iLog2DivChroma = iLog2DivLuma + 1; |
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| 129 | |
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| 130 | iOffset <<= m_uiBitDepthForLUT; |
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| 131 | |
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| 132 | Double dScale = (Double) iScale / (( Double ) ( 1 << iLog2DivLuma )); |
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| 133 | Double dOffset = (Double) iOffset / (( Double ) ( 1 << iLog2DivLuma )); |
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| 134 | |
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| 135 | // offsets including rounding offsets |
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| 136 | Int64 iOffsetLuma = iOffset + ( ( 1 << iLog2DivLuma ) >> 1 ); |
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| 137 | Int64 iOffsetChroma = iOffset + ( ( 1 << iLog2DivChroma ) >> 1 ); |
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| 138 | |
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| 139 | |
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| 140 | for( UInt uiDepthValue = 0; uiDepthValue < 256; uiDepthValue++ ) |
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| 141 | { |
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| 142 | |
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| 143 | // real-valued look-up tables |
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| 144 | Double dShiftLuma = ( (Double)uiDepthValue * dScale + dOffset ) * Double( 1 << m_iLog2Precision ); |
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| 145 | Double dShiftChroma = dShiftLuma / 2; |
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| 146 | radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ uiDepthValue ] = dShiftLuma; |
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| 147 | radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ uiDepthValue ] = dShiftChroma; |
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| 148 | |
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| 149 | // integer-valued look-up tables |
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| 150 | Int64 iTempScale = (Int64)uiDepthValue * iScale; |
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| 151 | Int64 iShiftLuma = ( iTempScale + iOffsetLuma ) >> iLog2DivLuma; |
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| 152 | Int64 iShiftChroma = ( iTempScale + iOffsetChroma ) >> iLog2DivChroma; |
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| 153 | raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ uiDepthValue ] = (Int)iShiftLuma; |
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| 154 | raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ uiDepthValue ] = (Int)iShiftChroma; |
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| 155 | } |
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| 156 | |
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| 157 | radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 256 ] = radLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 255 ]; |
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| 158 | radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 256 ] = radLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 255 ]; |
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| 159 | raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 256 ] = raiLUT[ uiSourceView ][ uiTargetView ][ 0 ][ 255 ]; |
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| 160 | raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 256 ] = raiLUT[ uiSourceView ][ uiTargetView ][ 1 ][ 255 ]; |
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| 161 | } |
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| 162 | |
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| 163 | Void |
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| 164 | CamParsCollector::uninit() |
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| 165 | { |
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| 166 | m_bInitialized = false; |
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| 167 | } |
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| 168 | |
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| 169 | Void |
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| 170 | CamParsCollector::setSlice( TComSlice* pcSlice ) |
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| 171 | { |
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| 172 | |
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| 173 | if( pcSlice == 0 ) |
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| 174 | { |
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| 175 | AOF( xIsComplete() ); |
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| 176 | if( m_bCamParsVaryOverTime || m_iLastPOC == 0 ) |
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| 177 | { |
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| 178 | xOutput( m_iLastPOC ); |
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| 179 | } |
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| 180 | return; |
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| 181 | } |
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| 182 | |
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| 183 | if ( pcSlice->getIsDepth()) |
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| 184 | { |
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| 185 | return; |
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| 186 | } |
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| 187 | |
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| 188 | Bool bFirstAU = ( pcSlice->getPOC() == 0 ); |
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| 189 | Bool bFirstSliceInAU = ( pcSlice->getPOC() != Int ( m_iLastPOC ) ); |
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| 190 | Bool bFirstSliceInView = ( pcSlice->getViewIndex() != UInt( m_iLastViewIndex ) || bFirstSliceInAU ); |
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| 191 | |
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| 192 | AOT( bFirstSliceInAU && pcSlice->getViewIndex() != 0 ); |
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| 193 | AOT( !bFirstSliceInAU && pcSlice->getViewIndex() < UInt( m_iLastViewIndex ) ); |
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| 194 | |
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| 195 | AOT( !bFirstSliceInAU && pcSlice->getViewIndex() > UInt( m_iLastViewIndex + 1 ) ); |
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| 196 | |
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| 197 | AOT( !bFirstAU && pcSlice->getViewIndex() > m_uiMaxViewIndex ); |
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| 198 | |
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| 199 | if ( !bFirstSliceInView ) |
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| 200 | { |
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| 201 | if( m_bCamParsVaryOverTime ) // check consistency of slice parameters here |
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| 202 | { |
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| 203 | UInt uiViewIndex = pcSlice->getViewIndex(); |
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| 204 | for( UInt uiBaseViewIndex = 0; uiBaseViewIndex < uiViewIndex; uiBaseViewIndex++ ) |
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| 205 | { |
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| 206 | AOF( m_aaiCodedScale [ uiBaseViewIndex ][ uiViewIndex ] == pcSlice->getCodedScale () [ uiBaseViewIndex ] ); |
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| 207 | AOF( m_aaiCodedOffset[ uiBaseViewIndex ][ uiViewIndex ] == pcSlice->getCodedOffset () [ uiBaseViewIndex ] ); |
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| 208 | AOF( m_aaiCodedScale [ uiViewIndex ][ uiBaseViewIndex ] == pcSlice->getInvCodedScale () [ uiBaseViewIndex ] ); |
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| 209 | AOF( m_aaiCodedOffset[ uiViewIndex ][ uiBaseViewIndex ] == pcSlice->getInvCodedOffset() [ uiBaseViewIndex ] ); |
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| 210 | } |
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| 211 | } |
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| 212 | return; |
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| 213 | } |
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| 214 | |
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| 215 | if( bFirstSliceInAU ) |
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| 216 | { |
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| 217 | if( !bFirstAU ) |
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| 218 | { |
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| 219 | AOF( xIsComplete() ); |
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| 220 | xOutput( m_iLastPOC ); |
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| 221 | } |
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| 222 | ::memset( m_bViewReceived, false, MAX_NUM_LAYERS * sizeof( Bool ) ); |
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| 223 | } |
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| 224 | |
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| 225 | UInt uiViewIndex = pcSlice->getViewIndex(); |
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| 226 | m_bViewReceived[ uiViewIndex ] = true; |
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| 227 | if( bFirstAU ) |
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| 228 | { |
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| 229 | m_uiMaxViewIndex = std::max( m_uiMaxViewIndex, uiViewIndex ); |
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| 230 | m_aiViewId[ uiViewIndex ] = pcSlice->getViewId(); |
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| 231 | if( uiViewIndex == 1 ) |
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| 232 | { |
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| 233 | m_uiCamParsCodedPrecision = pcSlice->getSPS()->getCamParPrecision (); |
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| 234 | m_bCamParsVaryOverTime = pcSlice->getSPS()->hasCamParInSliceHeader (); |
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| 235 | } |
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| 236 | else if( uiViewIndex > 1 ) |
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| 237 | { |
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| 238 | AOF( m_uiCamParsCodedPrecision == pcSlice->getSPS()->getCamParPrecision () ); |
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| 239 | AOF( m_bCamParsVaryOverTime == pcSlice->getSPS()->hasCamParInSliceHeader () ); |
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| 240 | } |
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| 241 | for( UInt uiBaseIndex = 0; uiBaseIndex < uiViewIndex; uiBaseIndex++ ) |
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| 242 | { |
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| 243 | if( m_bCamParsVaryOverTime ) |
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| 244 | { |
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| 245 | m_aaiCodedScale [ uiBaseIndex ][ uiViewIndex ] = pcSlice->getCodedScale () [ uiBaseIndex ]; |
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| 246 | m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ] = pcSlice->getCodedOffset () [ uiBaseIndex ]; |
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| 247 | m_aaiCodedScale [ uiViewIndex ][ uiBaseIndex ] = pcSlice->getInvCodedScale () [ uiBaseIndex ]; |
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| 248 | m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ] = pcSlice->getInvCodedOffset() [ uiBaseIndex ]; |
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| 249 | xInitLUTs( uiBaseIndex, uiViewIndex, m_aaiCodedScale[ uiBaseIndex ][ uiViewIndex ], m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT); |
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| 250 | xInitLUTs( uiViewIndex, uiBaseIndex, m_aaiCodedScale[ uiViewIndex ][ uiBaseIndex ], m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT); |
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| 251 | } |
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| 252 | else |
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| 253 | { |
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| 254 | m_aaiCodedScale [ uiBaseIndex ][ uiViewIndex ] = pcSlice->getSPS()->getCodedScale () [ uiBaseIndex ]; |
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| 255 | m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ] = pcSlice->getSPS()->getCodedOffset () [ uiBaseIndex ]; |
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| 256 | m_aaiCodedScale [ uiViewIndex ][ uiBaseIndex ] = pcSlice->getSPS()->getInvCodedScale () [ uiBaseIndex ]; |
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| 257 | m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ] = pcSlice->getSPS()->getInvCodedOffset() [ uiBaseIndex ]; |
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| 258 | xInitLUTs( uiBaseIndex, uiViewIndex, m_aaiCodedScale[ uiBaseIndex ][ uiViewIndex ], m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT ); |
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| 259 | xInitLUTs( uiViewIndex, uiBaseIndex, m_aaiCodedScale[ uiViewIndex ][ uiBaseIndex ], m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT ); |
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| 260 | } |
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| 261 | } |
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| 262 | } |
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| 263 | else |
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| 264 | { |
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| 265 | AOF( m_aiViewId[ uiViewIndex ] == pcSlice->getViewId() ); |
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| 266 | if( m_bCamParsVaryOverTime ) |
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| 267 | { |
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| 268 | for( UInt uiBaseIndex = 0; uiBaseIndex < uiViewIndex; uiBaseIndex++ ) |
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| 269 | { |
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| 270 | m_aaiCodedScale [ uiBaseIndex ][ uiViewIndex ] = pcSlice->getCodedScale () [ uiBaseIndex ]; |
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| 271 | m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ] = pcSlice->getCodedOffset () [ uiBaseIndex ]; |
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| 272 | m_aaiCodedScale [ uiViewIndex ][ uiBaseIndex ] = pcSlice->getInvCodedScale () [ uiBaseIndex ]; |
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| 273 | m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ] = pcSlice->getInvCodedOffset() [ uiBaseIndex ]; |
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| 274 | |
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| 275 | xInitLUTs( uiBaseIndex, uiViewIndex, m_aaiCodedScale[ uiBaseIndex ][ uiViewIndex ], m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT ); |
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| 276 | xInitLUTs( uiViewIndex, uiBaseIndex, m_aaiCodedScale[ uiViewIndex ][ uiBaseIndex ], m_aaiCodedOffset[ uiViewIndex ][ uiBaseIndex ], m_adBaseViewShiftLUT, m_aiBaseViewShiftLUT ); |
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| 277 | } |
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| 278 | } |
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| 279 | } |
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| 280 | |
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| 281 | m_iLastViewIndex = (Int)pcSlice->getViewIndex(); |
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| 282 | m_iLastPOC = (Int)pcSlice->getPOC(); |
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| 283 | } |
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| 284 | |
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| 285 | Bool |
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| 286 | CamParsCollector::xIsComplete() |
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| 287 | { |
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| 288 | for( UInt uiView = 0; uiView <= m_uiMaxViewIndex; uiView++ ) |
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| 289 | { |
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| 290 | if( m_bViewReceived[ uiView ] == 0 ) |
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| 291 | { |
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| 292 | return false; |
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| 293 | } |
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| 294 | } |
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| 295 | return true; |
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| 296 | } |
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| 297 | |
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| 298 | Void |
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| 299 | CamParsCollector::xOutput( Int iPOC ) |
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| 300 | { |
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| 301 | if( m_pCodedScaleOffsetFile ) |
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| 302 | { |
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| 303 | if( iPOC == 0 ) |
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| 304 | { |
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| 305 | fprintf( m_pCodedScaleOffsetFile, "# ViewIndex ViewId\n" ); |
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| 306 | fprintf( m_pCodedScaleOffsetFile, "#----------- ------------\n" ); |
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| 307 | for( UInt uiViewIndex = 0; uiViewIndex <= m_uiMaxViewIndex; uiViewIndex++ ) |
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| 308 | { |
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| 309 | fprintf( m_pCodedScaleOffsetFile, "%12d %12d\n", uiViewIndex, m_aiViewId[ uiViewIndex ] ); |
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| 310 | } |
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| 311 | fprintf( m_pCodedScaleOffsetFile, "\n\n"); |
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| 312 | fprintf( m_pCodedScaleOffsetFile, "# StartFrame EndFrame TargetView BaseView CodedScale CodedOffset Precision\n" ); |
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| 313 | fprintf( m_pCodedScaleOffsetFile, "#----------- ------------ ------------ ------------ ------------ ------------ ------------\n" ); |
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| 314 | } |
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| 315 | if( iPOC == 0 || m_bCamParsVaryOverTime ) |
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| 316 | { |
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| 317 | Int iS = iPOC; |
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| 318 | Int iE = ( m_bCamParsVaryOverTime ? iPOC : ~( 1 << 31 ) ); |
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| 319 | for( UInt uiViewIndex = 0; uiViewIndex <= m_uiMaxViewIndex; uiViewIndex++ ) |
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| 320 | { |
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| 321 | for( UInt uiBaseIndex = 0; uiBaseIndex <= m_uiMaxViewIndex; uiBaseIndex++ ) |
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| 322 | { |
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| 323 | if( uiViewIndex != uiBaseIndex ) |
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| 324 | { |
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| 325 | fprintf( m_pCodedScaleOffsetFile, "%12d %12d %12d %12d %12d %12d %12d\n", |
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| 326 | iS, iE, uiViewIndex, uiBaseIndex, m_aaiCodedScale[ uiBaseIndex ][ uiViewIndex ], m_aaiCodedOffset[ uiBaseIndex ][ uiViewIndex ], m_uiCamParsCodedPrecision ); |
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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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| 332 | } |
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| 333 | #endif |
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[324] | 334 | TDecTop::TDecTop() |
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| 335 | { |
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| 336 | m_pcPic = 0; |
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| 337 | m_iMaxRefPicNum = 0; |
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| 338 | #if ENC_DEC_TRACE |
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[446] | 339 | #if H_MV |
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| 340 | if ( g_hTrace == NULL ) |
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| 341 | { |
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| 342 | #endif |
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[324] | 343 | g_hTrace = fopen( "TraceDec.txt", "wb" ); |
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| 344 | g_bJustDoIt = g_bEncDecTraceDisable; |
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| 345 | g_nSymbolCounter = 0; |
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[446] | 346 | #if H_MV |
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| 347 | } |
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[324] | 348 | #endif |
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[446] | 349 | #endif |
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[324] | 350 | m_pocCRA = 0; |
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| 351 | m_prevRAPisBLA = false; |
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| 352 | m_pocRandomAccess = MAX_INT; |
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| 353 | m_prevPOC = MAX_INT; |
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| 354 | m_bFirstSliceInPicture = true; |
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| 355 | m_bFirstSliceInSequence = true; |
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[368] | 356 | #if H_MV |
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| 357 | m_layerId = 0; |
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| 358 | m_viewId = 0; |
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| 359 | #if H_3D |
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[446] | 360 | m_viewIndex = 0; |
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[368] | 361 | m_isDepth = false; |
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[446] | 362 | m_pcCamParsCollector = 0; |
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[368] | 363 | #endif |
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| 364 | #endif |
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[324] | 365 | } |
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| 366 | |
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| 367 | TDecTop::~TDecTop() |
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| 368 | { |
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| 369 | #if ENC_DEC_TRACE |
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| 370 | fclose( g_hTrace ); |
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| 371 | #endif |
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| 372 | } |
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| 373 | |
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| 374 | Void TDecTop::create() |
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| 375 | { |
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| 376 | m_cGopDecoder.create(); |
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| 377 | m_apcSlicePilot = new TComSlice; |
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| 378 | m_uiSliceIdx = 0; |
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| 379 | } |
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| 380 | |
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| 381 | Void TDecTop::destroy() |
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| 382 | { |
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| 383 | m_cGopDecoder.destroy(); |
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| 384 | |
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| 385 | delete m_apcSlicePilot; |
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| 386 | m_apcSlicePilot = NULL; |
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| 387 | |
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| 388 | m_cSliceDecoder.destroy(); |
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| 389 | } |
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| 390 | |
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| 391 | Void TDecTop::init() |
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| 392 | { |
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| 393 | // initialize ROM |
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[368] | 394 | #if !H_MV |
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[324] | 395 | initROM(); |
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[368] | 396 | #endif |
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[324] | 397 | m_cGopDecoder.init( &m_cEntropyDecoder, &m_cSbacDecoder, &m_cBinCABAC, &m_cCavlcDecoder, &m_cSliceDecoder, &m_cLoopFilter, &m_cSAO); |
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| 398 | m_cSliceDecoder.init( &m_cEntropyDecoder, &m_cCuDecoder ); |
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| 399 | m_cEntropyDecoder.init(&m_cPrediction); |
---|
| 400 | } |
---|
| 401 | |
---|
| 402 | Void TDecTop::deletePicBuffer ( ) |
---|
| 403 | { |
---|
| 404 | TComList<TComPic*>::iterator iterPic = m_cListPic.begin(); |
---|
| 405 | Int iSize = Int( m_cListPic.size() ); |
---|
| 406 | |
---|
| 407 | for (Int i = 0; i < iSize; i++ ) |
---|
| 408 | { |
---|
| 409 | TComPic* pcPic = *(iterPic++); |
---|
[368] | 410 | #if H_MV |
---|
| 411 | if( pcPic ) |
---|
| 412 | { |
---|
| 413 | #endif |
---|
[324] | 414 | pcPic->destroy(); |
---|
| 415 | |
---|
| 416 | delete pcPic; |
---|
| 417 | pcPic = NULL; |
---|
[368] | 418 | #if H_MV |
---|
| 419 | } |
---|
| 420 | #endif |
---|
[324] | 421 | } |
---|
| 422 | |
---|
| 423 | m_cSAO.destroy(); |
---|
| 424 | |
---|
| 425 | m_cLoopFilter. destroy(); |
---|
| 426 | |
---|
[368] | 427 | #if !H_MV |
---|
[324] | 428 | // destroy ROM |
---|
| 429 | destroyROM(); |
---|
[368] | 430 | #endif |
---|
[324] | 431 | } |
---|
| 432 | |
---|
| 433 | Void TDecTop::xGetNewPicBuffer ( TComSlice* pcSlice, TComPic*& rpcPic ) |
---|
| 434 | { |
---|
| 435 | Int numReorderPics[MAX_TLAYER]; |
---|
| 436 | Window &conformanceWindow = pcSlice->getSPS()->getConformanceWindow(); |
---|
| 437 | Window defaultDisplayWindow = pcSlice->getSPS()->getVuiParametersPresentFlag() ? pcSlice->getSPS()->getVuiParameters()->getDefaultDisplayWindow() : Window(); |
---|
| 438 | |
---|
| 439 | for( Int temporalLayer=0; temporalLayer < MAX_TLAYER; temporalLayer++) |
---|
| 440 | { |
---|
| 441 | numReorderPics[temporalLayer] = pcSlice->getSPS()->getNumReorderPics(temporalLayer); |
---|
| 442 | } |
---|
| 443 | |
---|
[446] | 444 | #if L0323_DPB |
---|
| 445 | m_iMaxRefPicNum = pcSlice->getSPS()->getMaxDecPicBuffering(pcSlice->getTLayer())+pcSlice->getSPS()->getNumReorderPics(pcSlice->getTLayer()); // m_uiMaxDecPicBuffering has the space for the picture currently being decoded |
---|
| 446 | #else |
---|
[324] | 447 | m_iMaxRefPicNum = pcSlice->getSPS()->getMaxDecPicBuffering(pcSlice->getTLayer())+pcSlice->getSPS()->getNumReorderPics(pcSlice->getTLayer()) + 1; // +1 to have space for the picture currently being decoded |
---|
[446] | 448 | #endif |
---|
[324] | 449 | if (m_cListPic.size() < (UInt)m_iMaxRefPicNum) |
---|
| 450 | { |
---|
| 451 | rpcPic = new TComPic(); |
---|
| 452 | |
---|
| 453 | rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, |
---|
| 454 | conformanceWindow, defaultDisplayWindow, numReorderPics, true); |
---|
| 455 | rpcPic->getPicSym()->allocSaoParam(&m_cSAO); |
---|
| 456 | m_cListPic.pushBack( rpcPic ); |
---|
| 457 | |
---|
| 458 | return; |
---|
| 459 | } |
---|
| 460 | |
---|
| 461 | Bool bBufferIsAvailable = false; |
---|
| 462 | TComList<TComPic*>::iterator iterPic = m_cListPic.begin(); |
---|
| 463 | while (iterPic != m_cListPic.end()) |
---|
| 464 | { |
---|
| 465 | rpcPic = *(iterPic++); |
---|
| 466 | if ( rpcPic->getReconMark() == false && rpcPic->getOutputMark() == false) |
---|
| 467 | { |
---|
| 468 | rpcPic->setOutputMark(false); |
---|
| 469 | bBufferIsAvailable = true; |
---|
| 470 | break; |
---|
| 471 | } |
---|
| 472 | |
---|
| 473 | if ( rpcPic->getSlice( 0 )->isReferenced() == false && rpcPic->getOutputMark() == false) |
---|
| 474 | { |
---|
| 475 | rpcPic->setOutputMark(false); |
---|
| 476 | rpcPic->setReconMark( false ); |
---|
| 477 | rpcPic->getPicYuvRec()->setBorderExtension( false ); |
---|
| 478 | bBufferIsAvailable = true; |
---|
| 479 | break; |
---|
| 480 | } |
---|
| 481 | } |
---|
| 482 | |
---|
| 483 | if ( !bBufferIsAvailable ) |
---|
| 484 | { |
---|
| 485 | //There is no room for this picture, either because of faulty encoder or dropped NAL. Extend the buffer. |
---|
| 486 | m_iMaxRefPicNum++; |
---|
| 487 | rpcPic = new TComPic(); |
---|
| 488 | m_cListPic.pushBack( rpcPic ); |
---|
| 489 | } |
---|
| 490 | rpcPic->destroy(); |
---|
| 491 | rpcPic->create ( pcSlice->getSPS()->getPicWidthInLumaSamples(), pcSlice->getSPS()->getPicHeightInLumaSamples(), g_uiMaxCUWidth, g_uiMaxCUHeight, g_uiMaxCUDepth, |
---|
| 492 | conformanceWindow, defaultDisplayWindow, numReorderPics, true); |
---|
| 493 | rpcPic->getPicSym()->allocSaoParam(&m_cSAO); |
---|
| 494 | } |
---|
| 495 | |
---|
[368] | 496 | #if H_MV |
---|
| 497 | Void TDecTop::endPicDecoding(Int& poc, TComList<TComPic*>*& rpcListPic, std::vector<Int>& targetDecLayerIdSet ) |
---|
| 498 | #else |
---|
[324] | 499 | Void TDecTop::executeLoopFilters(Int& poc, TComList<TComPic*>*& rpcListPic) |
---|
[368] | 500 | #endif |
---|
[324] | 501 | { |
---|
| 502 | if (!m_pcPic) |
---|
| 503 | { |
---|
| 504 | /* nothing to deblock */ |
---|
| 505 | return; |
---|
| 506 | } |
---|
| 507 | |
---|
| 508 | TComPic*& pcPic = m_pcPic; |
---|
| 509 | |
---|
| 510 | // Execute Deblock + Cleanup |
---|
| 511 | |
---|
| 512 | m_cGopDecoder.filterPicture(pcPic); |
---|
| 513 | |
---|
| 514 | TComSlice::sortPicList( m_cListPic ); // sorting for application output |
---|
| 515 | poc = pcPic->getSlice(m_uiSliceIdx-1)->getPOC(); |
---|
| 516 | rpcListPic = &m_cListPic; |
---|
| 517 | m_cCuDecoder.destroy(); |
---|
[368] | 518 | #if H_MV |
---|
| 519 | TComSlice::markIvRefPicsAsShortTerm( m_refPicSetInterLayer ); |
---|
| 520 | TComSlice::markIvRefPicsAsUnused ( m_ivPicLists, targetDecLayerIdSet, m_parameterSetManagerDecoder.getActiveVPS(), m_layerId, poc ); |
---|
| 521 | #endif |
---|
[324] | 522 | m_bFirstSliceInPicture = true; |
---|
| 523 | |
---|
| 524 | return; |
---|
| 525 | } |
---|
| 526 | |
---|
| 527 | Void TDecTop::xCreateLostPicture(Int iLostPoc) |
---|
| 528 | { |
---|
| 529 | printf("\ninserting lost poc : %d\n",iLostPoc); |
---|
| 530 | TComSlice cFillSlice; |
---|
| 531 | cFillSlice.setSPS( m_parameterSetManagerDecoder.getFirstSPS() ); |
---|
| 532 | cFillSlice.setPPS( m_parameterSetManagerDecoder.getFirstPPS() ); |
---|
| 533 | cFillSlice.initSlice(); |
---|
| 534 | TComPic *cFillPic; |
---|
| 535 | xGetNewPicBuffer(&cFillSlice,cFillPic); |
---|
| 536 | cFillPic->getSlice(0)->setSPS( m_parameterSetManagerDecoder.getFirstSPS() ); |
---|
| 537 | cFillPic->getSlice(0)->setPPS( m_parameterSetManagerDecoder.getFirstPPS() ); |
---|
| 538 | cFillPic->getSlice(0)->initSlice(); |
---|
| 539 | |
---|
| 540 | TComList<TComPic*>::iterator iterPic = m_cListPic.begin(); |
---|
| 541 | Int closestPoc = 1000000; |
---|
| 542 | while ( iterPic != m_cListPic.end()) |
---|
| 543 | { |
---|
| 544 | TComPic * rpcPic = *(iterPic++); |
---|
| 545 | 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()) |
---|
| 546 | { |
---|
| 547 | closestPoc=abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc); |
---|
| 548 | } |
---|
| 549 | } |
---|
| 550 | iterPic = m_cListPic.begin(); |
---|
| 551 | while ( iterPic != m_cListPic.end()) |
---|
| 552 | { |
---|
| 553 | TComPic *rpcPic = *(iterPic++); |
---|
| 554 | if(abs(rpcPic->getPicSym()->getSlice(0)->getPOC() -iLostPoc)==closestPoc&&rpcPic->getPicSym()->getSlice(0)->getPOC()!=m_apcSlicePilot->getPOC()) |
---|
| 555 | { |
---|
| 556 | printf("copying picture %d to %d (%d)\n",rpcPic->getPicSym()->getSlice(0)->getPOC() ,iLostPoc,m_apcSlicePilot->getPOC()); |
---|
| 557 | rpcPic->getPicYuvRec()->copyToPic(cFillPic->getPicYuvRec()); |
---|
| 558 | break; |
---|
| 559 | } |
---|
| 560 | } |
---|
| 561 | cFillPic->setCurrSliceIdx(0); |
---|
| 562 | for(Int i=0; i<cFillPic->getNumCUsInFrame(); i++) |
---|
| 563 | { |
---|
| 564 | cFillPic->getCU(i)->initCU(cFillPic,i); |
---|
| 565 | } |
---|
| 566 | cFillPic->getSlice(0)->setReferenced(true); |
---|
| 567 | cFillPic->getSlice(0)->setPOC(iLostPoc); |
---|
| 568 | cFillPic->setReconMark(true); |
---|
| 569 | cFillPic->setOutputMark(true); |
---|
| 570 | if(m_pocRandomAccess == MAX_INT) |
---|
| 571 | { |
---|
| 572 | m_pocRandomAccess = iLostPoc; |
---|
| 573 | } |
---|
| 574 | } |
---|
| 575 | |
---|
| 576 | |
---|
| 577 | Void TDecTop::xActivateParameterSets() |
---|
| 578 | { |
---|
| 579 | m_parameterSetManagerDecoder.applyPrefetchedPS(); |
---|
| 580 | |
---|
| 581 | TComPPS *pps = m_parameterSetManagerDecoder.getPPS(m_apcSlicePilot->getPPSId()); |
---|
| 582 | assert (pps != 0); |
---|
| 583 | |
---|
| 584 | TComSPS *sps = m_parameterSetManagerDecoder.getSPS(pps->getSPSId()); |
---|
| 585 | assert (sps != 0); |
---|
| 586 | |
---|
[446] | 587 | if (false == m_parameterSetManagerDecoder.activatePPS(m_apcSlicePilot->getPPSId(),m_apcSlicePilot->isIRAP())) |
---|
[324] | 588 | { |
---|
| 589 | printf ("Parameter set activation failed!"); |
---|
| 590 | assert (0); |
---|
| 591 | } |
---|
| 592 | |
---|
[446] | 593 | if( pps->getDependentSliceSegmentsEnabledFlag() ) |
---|
| 594 | { |
---|
| 595 | Int NumCtx = pps->getEntropyCodingSyncEnabledFlag()?2:1; |
---|
| 596 | |
---|
| 597 | if (m_cSliceDecoder.getCtxMemSize() != NumCtx) |
---|
| 598 | { |
---|
| 599 | m_cSliceDecoder.initCtxMem(NumCtx); |
---|
| 600 | for ( UInt st = 0; st < NumCtx; st++ ) |
---|
| 601 | { |
---|
| 602 | TDecSbac* ctx = NULL; |
---|
| 603 | ctx = new TDecSbac; |
---|
| 604 | ctx->init( &m_cBinCABAC ); |
---|
| 605 | m_cSliceDecoder.setCtxMem( ctx, st ); |
---|
| 606 | } |
---|
| 607 | } |
---|
| 608 | } |
---|
| 609 | |
---|
[324] | 610 | m_apcSlicePilot->setPPS(pps); |
---|
| 611 | m_apcSlicePilot->setSPS(sps); |
---|
[372] | 612 | #if H_MV |
---|
| 613 | m_apcSlicePilot->setVPS( m_parameterSetManagerDecoder.getActiveVPS() ); |
---|
| 614 | #endif |
---|
[324] | 615 | pps->setSPS(sps); |
---|
| 616 | pps->setNumSubstreams(pps->getEntropyCodingSyncEnabledFlag() ? ((sps->getPicHeightInLumaSamples() + sps->getMaxCUHeight() - 1) / sps->getMaxCUHeight()) * (pps->getNumColumnsMinus1() + 1) : 1); |
---|
| 617 | pps->setMinCuDQPSize( sps->getMaxCUWidth() >> ( pps->getMaxCuDQPDepth()) ); |
---|
| 618 | |
---|
[446] | 619 | g_bitDepthY = sps->getBitDepthY(); |
---|
| 620 | g_bitDepthC = sps->getBitDepthC(); |
---|
| 621 | g_uiMaxCUWidth = sps->getMaxCUWidth(); |
---|
| 622 | g_uiMaxCUHeight = sps->getMaxCUHeight(); |
---|
| 623 | g_uiMaxCUDepth = sps->getMaxCUDepth(); |
---|
| 624 | g_uiAddCUDepth = max (0, sps->getLog2MinCodingBlockSize() - (Int)sps->getQuadtreeTULog2MinSize() ); |
---|
| 625 | |
---|
| 626 | for (Int i = 0; i < sps->getLog2DiffMaxMinCodingBlockSize(); i++) |
---|
[324] | 627 | { |
---|
| 628 | sps->setAMPAcc( i, sps->getUseAMP() ); |
---|
| 629 | } |
---|
| 630 | |
---|
[446] | 631 | for (Int i = sps->getLog2DiffMaxMinCodingBlockSize(); i < sps->getMaxCUDepth(); i++) |
---|
[324] | 632 | { |
---|
| 633 | sps->setAMPAcc( i, 0 ); |
---|
| 634 | } |
---|
| 635 | |
---|
| 636 | m_cSAO.destroy(); |
---|
[446] | 637 | m_cSAO.create( sps->getPicWidthInLumaSamples(), sps->getPicHeightInLumaSamples(), sps->getMaxCUWidth(), sps->getMaxCUHeight() ); |
---|
| 638 | m_cLoopFilter.create( sps->getMaxCUDepth() ); |
---|
[324] | 639 | } |
---|
| 640 | |
---|
[368] | 641 | #if H_MV |
---|
| 642 | Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay, Bool newLayerFlag ) |
---|
| 643 | { |
---|
| 644 | assert( nalu.m_layerId == m_layerId ); |
---|
| 645 | |
---|
| 646 | #else |
---|
[324] | 647 | Bool TDecTop::xDecodeSlice(InputNALUnit &nalu, Int &iSkipFrame, Int iPOCLastDisplay ) |
---|
| 648 | { |
---|
[368] | 649 | #endif |
---|
[324] | 650 | TComPic*& pcPic = m_pcPic; |
---|
| 651 | m_apcSlicePilot->initSlice(); |
---|
| 652 | |
---|
| 653 | if (m_bFirstSliceInPicture) |
---|
| 654 | { |
---|
| 655 | m_uiSliceIdx = 0; |
---|
| 656 | } |
---|
| 657 | m_apcSlicePilot->setSliceIdx(m_uiSliceIdx); |
---|
| 658 | if (!m_bFirstSliceInPicture) |
---|
| 659 | { |
---|
| 660 | m_apcSlicePilot->copySliceInfo( pcPic->getPicSym()->getSlice(m_uiSliceIdx-1) ); |
---|
| 661 | } |
---|
| 662 | |
---|
| 663 | m_apcSlicePilot->setNalUnitType(nalu.m_nalUnitType); |
---|
[446] | 664 | Bool nonReferenceFlag = (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TRAIL_N || |
---|
| 665 | m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_TSA_N || |
---|
| 666 | m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_STSA_N || |
---|
| 667 | m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RADL_N || |
---|
| 668 | m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N); |
---|
| 669 | m_apcSlicePilot->setTemporalLayerNonReferenceFlag(nonReferenceFlag); |
---|
| 670 | |
---|
[324] | 671 | m_apcSlicePilot->setReferenced(true); // Putting this as true ensures that picture is referenced the first time it is in an RPS |
---|
| 672 | m_apcSlicePilot->setTLayerInfo(nalu.m_temporalId); |
---|
| 673 | |
---|
[368] | 674 | #if H_MV |
---|
| 675 | m_apcSlicePilot->setLayerId( nalu.m_layerId ); |
---|
| 676 | #endif |
---|
[324] | 677 | m_cEntropyDecoder.decodeSliceHeader (m_apcSlicePilot, &m_parameterSetManagerDecoder); |
---|
| 678 | |
---|
[368] | 679 | #if H_MV |
---|
| 680 | TComVPS* vps = m_apcSlicePilot->getVPS(); |
---|
[446] | 681 | Int layerIdInVps = vps->getLayerIdInVps( nalu.m_layerId ); |
---|
| 682 | setViewId ( vps->getViewId ( layerIdInVps ) ); |
---|
[368] | 683 | #if H_3D |
---|
[446] | 684 | setViewIndex( vps->getViewIndex( layerIdInVps ) ); |
---|
| 685 | setIsDepth ( vps->getDepthId ( layerIdInVps ) == 1 ); |
---|
| 686 | m_ivPicLists->setVPS( vps ); |
---|
[368] | 687 | #endif |
---|
| 688 | #endif |
---|
[324] | 689 | // Skip pictures due to random access |
---|
| 690 | if (isRandomAccessSkipPicture(iSkipFrame, iPOCLastDisplay)) |
---|
| 691 | { |
---|
| 692 | return false; |
---|
| 693 | } |
---|
| 694 | // Skip TFD pictures associated with BLA/BLANT pictures |
---|
| 695 | if (isSkipPictureForBLA(iPOCLastDisplay)) |
---|
| 696 | { |
---|
| 697 | return false; |
---|
| 698 | } |
---|
| 699 | |
---|
[446] | 700 | //we should only get a different poc for a new picture (with CTU address==0) |
---|
| 701 | if (m_apcSlicePilot->isNextSlice() && m_apcSlicePilot->getPOC()!=m_prevPOC && !m_bFirstSliceInSequence && (!m_apcSlicePilot->getSliceCurStartCUAddr()==0)) |
---|
| 702 | { |
---|
| 703 | printf ("Warning, the first slice of a picture might have been lost!\n"); |
---|
| 704 | } |
---|
[324] | 705 | // exit when a new picture is found |
---|
[446] | 706 | if (m_apcSlicePilot->isNextSlice() && (m_apcSlicePilot->getSliceCurStartCUAddr() == 0 && !m_bFirstSliceInPicture) && !m_bFirstSliceInSequence ) |
---|
[324] | 707 | { |
---|
| 708 | if (m_prevPOC >= m_pocRandomAccess) |
---|
| 709 | { |
---|
| 710 | m_prevPOC = m_apcSlicePilot->getPOC(); |
---|
| 711 | return true; |
---|
| 712 | } |
---|
| 713 | m_prevPOC = m_apcSlicePilot->getPOC(); |
---|
| 714 | } |
---|
[368] | 715 | #if H_MV |
---|
| 716 | if ( newLayerFlag ) |
---|
| 717 | { |
---|
| 718 | return false; |
---|
| 719 | } |
---|
| 720 | #endif |
---|
[324] | 721 | // actual decoding starts here |
---|
| 722 | xActivateParameterSets(); |
---|
| 723 | |
---|
| 724 | if (m_apcSlicePilot->isNextSlice()) |
---|
| 725 | { |
---|
| 726 | m_prevPOC = m_apcSlicePilot->getPOC(); |
---|
| 727 | } |
---|
| 728 | m_bFirstSliceInSequence = false; |
---|
| 729 | //detect lost reference picture and insert copy of earlier frame. |
---|
| 730 | Int lostPoc; |
---|
| 731 | while((lostPoc=m_apcSlicePilot->checkThatAllRefPicsAreAvailable(m_cListPic, m_apcSlicePilot->getRPS(), true, m_pocRandomAccess)) > 0) |
---|
| 732 | { |
---|
| 733 | xCreateLostPicture(lostPoc-1); |
---|
| 734 | } |
---|
| 735 | if (m_bFirstSliceInPicture) |
---|
| 736 | { |
---|
| 737 | // Buffer initialize for prediction. |
---|
| 738 | m_cPrediction.initTempBuff(); |
---|
| 739 | m_apcSlicePilot->applyReferencePictureSet(m_cListPic, m_apcSlicePilot->getRPS()); |
---|
[368] | 740 | #if H_MV |
---|
| 741 | m_apcSlicePilot->createAndApplyIvReferencePictureSet( m_ivPicLists, m_refPicSetInterLayer ); |
---|
| 742 | #endif |
---|
[324] | 743 | // Get a new picture buffer |
---|
| 744 | xGetNewPicBuffer (m_apcSlicePilot, pcPic); |
---|
| 745 | |
---|
| 746 | // transfer any SEI messages that have been received to the picture |
---|
| 747 | pcPic->setSEIs(m_SEIs); |
---|
| 748 | m_SEIs.clear(); |
---|
| 749 | |
---|
| 750 | // Recursive structure |
---|
| 751 | m_cCuDecoder.create ( g_uiMaxCUDepth, g_uiMaxCUWidth, g_uiMaxCUHeight ); |
---|
| 752 | m_cCuDecoder.init ( &m_cEntropyDecoder, &m_cTrQuant, &m_cPrediction ); |
---|
| 753 | m_cTrQuant.init ( g_uiMaxCUWidth, g_uiMaxCUHeight, m_apcSlicePilot->getSPS()->getMaxTrSize()); |
---|
| 754 | |
---|
| 755 | m_cSliceDecoder.create(); |
---|
| 756 | } |
---|
| 757 | else |
---|
| 758 | { |
---|
| 759 | // Check if any new SEI has arrived |
---|
| 760 | if(!m_SEIs.empty()) |
---|
| 761 | { |
---|
| 762 | // Currently only decoding Unit SEI message occurring between VCL NALUs copied |
---|
| 763 | SEIMessages &picSEI = pcPic->getSEIs(); |
---|
| 764 | SEIMessages decodingUnitInfos = extractSeisByType (m_SEIs, SEI::DECODING_UNIT_INFO); |
---|
| 765 | picSEI.insert(picSEI.end(), decodingUnitInfos.begin(), decodingUnitInfos.end()); |
---|
| 766 | deleteSEIs(m_SEIs); |
---|
| 767 | } |
---|
| 768 | } |
---|
| 769 | |
---|
| 770 | // Set picture slice pointer |
---|
| 771 | TComSlice* pcSlice = m_apcSlicePilot; |
---|
| 772 | Bool bNextSlice = pcSlice->isNextSlice(); |
---|
| 773 | |
---|
| 774 | UInt uiCummulativeTileWidth; |
---|
| 775 | UInt uiCummulativeTileHeight; |
---|
| 776 | UInt i, j, p; |
---|
| 777 | |
---|
| 778 | //set NumColumnsMins1 and NumRowsMinus1 |
---|
| 779 | pcPic->getPicSym()->setNumColumnsMinus1( pcSlice->getPPS()->getNumColumnsMinus1() ); |
---|
| 780 | pcPic->getPicSym()->setNumRowsMinus1( pcSlice->getPPS()->getNumRowsMinus1() ); |
---|
| 781 | |
---|
| 782 | //create the TComTileArray |
---|
| 783 | pcPic->getPicSym()->xCreateTComTileArray(); |
---|
| 784 | |
---|
| 785 | if( pcSlice->getPPS()->getUniformSpacingFlag() ) |
---|
| 786 | { |
---|
| 787 | //set the width for each tile |
---|
| 788 | for(j=0; j < pcPic->getPicSym()->getNumRowsMinus1()+1; j++) |
---|
| 789 | { |
---|
| 790 | for(p=0; p < pcPic->getPicSym()->getNumColumnsMinus1()+1; p++) |
---|
| 791 | { |
---|
| 792 | pcPic->getPicSym()->getTComTile( j * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + p )-> |
---|
| 793 | setTileWidth( (p+1)*pcPic->getPicSym()->getFrameWidthInCU()/(pcPic->getPicSym()->getNumColumnsMinus1()+1) |
---|
| 794 | - (p*pcPic->getPicSym()->getFrameWidthInCU())/(pcPic->getPicSym()->getNumColumnsMinus1()+1) ); |
---|
| 795 | } |
---|
| 796 | } |
---|
| 797 | |
---|
| 798 | //set the height for each tile |
---|
| 799 | for(j=0; j < pcPic->getPicSym()->getNumColumnsMinus1()+1; j++) |
---|
| 800 | { |
---|
| 801 | for(p=0; p < pcPic->getPicSym()->getNumRowsMinus1()+1; p++) |
---|
| 802 | { |
---|
| 803 | pcPic->getPicSym()->getTComTile( p * (pcPic->getPicSym()->getNumColumnsMinus1()+1) + j )-> |
---|
| 804 | setTileHeight( (p+1)*pcPic->getPicSym()->getFrameHeightInCU()/(pcPic->getPicSym()->getNumRowsMinus1()+1) |
---|
| 805 | - (p*pcPic->getPicSym()->getFrameHeightInCU())/(pcPic->getPicSym()->getNumRowsMinus1()+1) ); |
---|
| 806 | } |
---|
| 807 | } |
---|
| 808 | } |
---|
| 809 | else |
---|
| 810 | { |
---|
| 811 | //set the width for each tile |
---|
| 812 | for(j=0; j < pcSlice->getPPS()->getNumRowsMinus1()+1; j++) |
---|
| 813 | { |
---|
| 814 | uiCummulativeTileWidth = 0; |
---|
| 815 | for(i=0; i < pcSlice->getPPS()->getNumColumnsMinus1(); i++) |
---|
| 816 | { |
---|
| 817 | pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcSlice->getPPS()->getColumnWidth(i) ); |
---|
| 818 | uiCummulativeTileWidth += pcSlice->getPPS()->getColumnWidth(i); |
---|
| 819 | } |
---|
| 820 | pcPic->getPicSym()->getTComTile(j * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + i)->setTileWidth( pcPic->getPicSym()->getFrameWidthInCU()-uiCummulativeTileWidth ); |
---|
| 821 | } |
---|
| 822 | |
---|
| 823 | //set the height for each tile |
---|
| 824 | for(j=0; j < pcSlice->getPPS()->getNumColumnsMinus1()+1; j++) |
---|
| 825 | { |
---|
| 826 | uiCummulativeTileHeight = 0; |
---|
| 827 | for(i=0; i < pcSlice->getPPS()->getNumRowsMinus1(); i++) |
---|
| 828 | { |
---|
| 829 | pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcSlice->getPPS()->getRowHeight(i) ); |
---|
| 830 | uiCummulativeTileHeight += pcSlice->getPPS()->getRowHeight(i); |
---|
| 831 | } |
---|
| 832 | pcPic->getPicSym()->getTComTile(i * (pcSlice->getPPS()->getNumColumnsMinus1()+1) + j)->setTileHeight( pcPic->getPicSym()->getFrameHeightInCU()-uiCummulativeTileHeight ); |
---|
| 833 | } |
---|
| 834 | } |
---|
| 835 | |
---|
| 836 | pcPic->getPicSym()->xInitTiles(); |
---|
| 837 | |
---|
| 838 | //generate the Coding Order Map and Inverse Coding Order Map |
---|
| 839 | UInt uiEncCUAddr; |
---|
| 840 | for(i=0, uiEncCUAddr=0; i<pcPic->getPicSym()->getNumberOfCUsInFrame(); i++, uiEncCUAddr = pcPic->getPicSym()->xCalculateNxtCUAddr(uiEncCUAddr)) |
---|
| 841 | { |
---|
| 842 | pcPic->getPicSym()->setCUOrderMap(i, uiEncCUAddr); |
---|
| 843 | pcPic->getPicSym()->setInverseCUOrderMap(uiEncCUAddr, i); |
---|
| 844 | } |
---|
| 845 | pcPic->getPicSym()->setCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame()); |
---|
| 846 | pcPic->getPicSym()->setInverseCUOrderMap(pcPic->getPicSym()->getNumberOfCUsInFrame(), pcPic->getPicSym()->getNumberOfCUsInFrame()); |
---|
| 847 | |
---|
| 848 | //convert the start and end CU addresses of the slice and dependent slice into encoding order |
---|
| 849 | pcSlice->setSliceSegmentCurStartCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurStartCUAddr()) ); |
---|
| 850 | pcSlice->setSliceSegmentCurEndCUAddr( pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceSegmentCurEndCUAddr()) ); |
---|
| 851 | if(pcSlice->isNextSlice()) |
---|
| 852 | { |
---|
| 853 | pcSlice->setSliceCurStartCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurStartCUAddr())); |
---|
| 854 | pcSlice->setSliceCurEndCUAddr(pcPic->getPicSym()->getPicSCUEncOrder(pcSlice->getSliceCurEndCUAddr())); |
---|
| 855 | } |
---|
| 856 | |
---|
| 857 | if (m_bFirstSliceInPicture) |
---|
| 858 | { |
---|
| 859 | if(pcPic->getNumAllocatedSlice() != 1) |
---|
| 860 | { |
---|
| 861 | pcPic->clearSliceBuffer(); |
---|
| 862 | } |
---|
| 863 | } |
---|
| 864 | else |
---|
| 865 | { |
---|
| 866 | pcPic->allocateNewSlice(); |
---|
| 867 | } |
---|
| 868 | assert(pcPic->getNumAllocatedSlice() == (m_uiSliceIdx + 1)); |
---|
| 869 | m_apcSlicePilot = pcPic->getPicSym()->getSlice(m_uiSliceIdx); |
---|
| 870 | pcPic->getPicSym()->setSlice(pcSlice, m_uiSliceIdx); |
---|
| 871 | |
---|
| 872 | pcPic->setTLayer(nalu.m_temporalId); |
---|
| 873 | |
---|
[368] | 874 | #if H_MV |
---|
| 875 | pcPic->setLayerId( nalu.m_layerId ); |
---|
| 876 | pcPic->setViewId ( getViewId() ); |
---|
| 877 | #if H_3D |
---|
[446] | 878 | pcPic->setViewIndex( getViewIndex() ); |
---|
| 879 | pcPic->setIsDepth ( getIsDepth () ); |
---|
[368] | 880 | #endif |
---|
| 881 | #endif |
---|
[324] | 882 | if (bNextSlice) |
---|
| 883 | { |
---|
[446] | 884 | pcSlice->checkCRA(pcSlice->getRPS(), m_pocCRA, m_prevRAPisBLA, m_cListPic ); |
---|
[324] | 885 | // Set reference list |
---|
[368] | 886 | #if H_MV |
---|
[446] | 887 | pcSlice->setRefPicList( m_cListPic, m_refPicSetInterLayer, true ); |
---|
[368] | 888 | #else |
---|
[446] | 889 | #if FIX1071 |
---|
| 890 | pcSlice->setRefPicList( m_cListPic, true ); |
---|
| 891 | #else |
---|
[324] | 892 | pcSlice->setRefPicList( m_cListPic ); |
---|
| 893 | #endif |
---|
| 894 | |
---|
[446] | 895 | #endif |
---|
[324] | 896 | // For generalized B |
---|
| 897 | // note: maybe not existed case (always L0 is copied to L1 if L1 is empty) |
---|
| 898 | if (pcSlice->isInterB() && pcSlice->getNumRefIdx(REF_PIC_LIST_1) == 0) |
---|
| 899 | { |
---|
| 900 | Int iNumRefIdx = pcSlice->getNumRefIdx(REF_PIC_LIST_0); |
---|
| 901 | pcSlice->setNumRefIdx ( REF_PIC_LIST_1, iNumRefIdx ); |
---|
| 902 | |
---|
| 903 | for (Int iRefIdx = 0; iRefIdx < iNumRefIdx; iRefIdx++) |
---|
| 904 | { |
---|
| 905 | pcSlice->setRefPic(pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx), REF_PIC_LIST_1, iRefIdx); |
---|
| 906 | } |
---|
| 907 | } |
---|
| 908 | if (!pcSlice->isIntra()) |
---|
| 909 | { |
---|
| 910 | Bool bLowDelay = true; |
---|
| 911 | Int iCurrPOC = pcSlice->getPOC(); |
---|
| 912 | Int iRefIdx = 0; |
---|
| 913 | |
---|
| 914 | for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_0) && bLowDelay; iRefIdx++) |
---|
| 915 | { |
---|
| 916 | if ( pcSlice->getRefPic(REF_PIC_LIST_0, iRefIdx)->getPOC() > iCurrPOC ) |
---|
| 917 | { |
---|
| 918 | bLowDelay = false; |
---|
| 919 | } |
---|
| 920 | } |
---|
| 921 | if (pcSlice->isInterB()) |
---|
| 922 | { |
---|
| 923 | for (iRefIdx = 0; iRefIdx < pcSlice->getNumRefIdx(REF_PIC_LIST_1) && bLowDelay; iRefIdx++) |
---|
| 924 | { |
---|
| 925 | if ( pcSlice->getRefPic(REF_PIC_LIST_1, iRefIdx)->getPOC() > iCurrPOC ) |
---|
| 926 | { |
---|
| 927 | bLowDelay = false; |
---|
| 928 | } |
---|
| 929 | } |
---|
| 930 | } |
---|
| 931 | |
---|
| 932 | pcSlice->setCheckLDC(bLowDelay); |
---|
| 933 | } |
---|
| 934 | |
---|
| 935 | //--------------- |
---|
| 936 | pcSlice->setRefPOCList(); |
---|
[446] | 937 | #if !L0034_COMBINED_LIST_CLEANUP |
---|
[324] | 938 | pcSlice->setNoBackPredFlag( false ); |
---|
| 939 | if ( pcSlice->getSliceType() == B_SLICE ) |
---|
| 940 | { |
---|
| 941 | if ( pcSlice->getNumRefIdx(RefPicList( 0 ) ) == pcSlice->getNumRefIdx(RefPicList( 1 ) ) ) |
---|
| 942 | { |
---|
| 943 | pcSlice->setNoBackPredFlag( true ); |
---|
| 944 | for ( i=0; i < pcSlice->getNumRefIdx(RefPicList( 1 ) ); i++ ) |
---|
| 945 | { |
---|
| 946 | if ( pcSlice->getRefPOC(RefPicList(1), i) != pcSlice->getRefPOC(RefPicList(0), i) ) |
---|
| 947 | { |
---|
| 948 | pcSlice->setNoBackPredFlag( false ); |
---|
| 949 | break; |
---|
| 950 | } |
---|
| 951 | } |
---|
| 952 | } |
---|
| 953 | } |
---|
[446] | 954 | #endif |
---|
[324] | 955 | } |
---|
| 956 | |
---|
| 957 | pcPic->setCurrSliceIdx(m_uiSliceIdx); |
---|
| 958 | if(pcSlice->getSPS()->getScalingListFlag()) |
---|
| 959 | { |
---|
| 960 | pcSlice->setScalingList ( pcSlice->getSPS()->getScalingList() ); |
---|
| 961 | if(pcSlice->getPPS()->getScalingListPresentFlag()) |
---|
| 962 | { |
---|
| 963 | pcSlice->setScalingList ( pcSlice->getPPS()->getScalingList() ); |
---|
| 964 | } |
---|
| 965 | pcSlice->getScalingList()->setUseTransformSkip(pcSlice->getPPS()->getUseTransformSkip()); |
---|
| 966 | if(!pcSlice->getPPS()->getScalingListPresentFlag() && !pcSlice->getSPS()->getScalingListPresentFlag()) |
---|
| 967 | { |
---|
| 968 | pcSlice->setDefaultScalingList(); |
---|
| 969 | } |
---|
| 970 | m_cTrQuant.setScalingListDec(pcSlice->getScalingList()); |
---|
| 971 | m_cTrQuant.setUseScalingList(true); |
---|
| 972 | } |
---|
| 973 | else |
---|
| 974 | { |
---|
| 975 | m_cTrQuant.setFlatScalingList(); |
---|
| 976 | m_cTrQuant.setUseScalingList(false); |
---|
| 977 | } |
---|
| 978 | |
---|
| 979 | // Decode a picture |
---|
| 980 | m_cGopDecoder.decompressSlice(nalu.m_Bitstream, pcPic); |
---|
[446] | 981 | #if H_3D |
---|
| 982 | if( m_pcCamParsCollector ) |
---|
| 983 | { |
---|
| 984 | m_pcCamParsCollector->setSlice( pcSlice ); |
---|
| 985 | } |
---|
| 986 | #endif |
---|
[324] | 987 | m_bFirstSliceInPicture = false; |
---|
| 988 | m_uiSliceIdx++; |
---|
| 989 | |
---|
| 990 | return false; |
---|
| 991 | } |
---|
| 992 | |
---|
| 993 | Void TDecTop::xDecodeVPS() |
---|
| 994 | { |
---|
| 995 | TComVPS* vps = new TComVPS(); |
---|
| 996 | |
---|
| 997 | m_cEntropyDecoder.decodeVPS( vps ); |
---|
| 998 | m_parameterSetManagerDecoder.storePrefetchedVPS(vps); |
---|
| 999 | } |
---|
| 1000 | |
---|
| 1001 | Void TDecTop::xDecodeSPS() |
---|
| 1002 | { |
---|
| 1003 | TComSPS* sps = new TComSPS(); |
---|
[446] | 1004 | #if H_3D |
---|
| 1005 | // Preliminary fix. assuming that all sps refer to the same SPS. |
---|
| 1006 | // Parsing dependency should be resolved! |
---|
| 1007 | TComVPS* vps = m_parameterSetManagerDecoder.getPrefetchedVPS( 0 ); |
---|
| 1008 | assert( vps != 0 ); |
---|
| 1009 | Int layerIdInVPS = vps->getLayerIdInVps( m_layerId ); |
---|
| 1010 | m_cEntropyDecoder.decodeSPS( sps, vps->getViewIndex( layerIdInVPS ), ( vps->getDepthId( layerIdInVPS ) == 1 ) ); |
---|
| 1011 | #else |
---|
[324] | 1012 | m_cEntropyDecoder.decodeSPS( sps ); |
---|
[446] | 1013 | #endif |
---|
[324] | 1014 | m_parameterSetManagerDecoder.storePrefetchedSPS(sps); |
---|
| 1015 | } |
---|
| 1016 | |
---|
| 1017 | Void TDecTop::xDecodePPS() |
---|
| 1018 | { |
---|
| 1019 | TComPPS* pps = new TComPPS(); |
---|
| 1020 | m_cEntropyDecoder.decodePPS( pps ); |
---|
| 1021 | m_parameterSetManagerDecoder.storePrefetchedPPS( pps ); |
---|
| 1022 | } |
---|
| 1023 | |
---|
| 1024 | Void TDecTop::xDecodeSEI( TComInputBitstream* bs, const NalUnitType nalUnitType ) |
---|
| 1025 | { |
---|
[446] | 1026 | if(nalUnitType == NAL_UNIT_SUFFIX_SEI) |
---|
[324] | 1027 | { |
---|
| 1028 | m_seiReader.parseSEImessage( bs, m_pcPic->getSEIs(), nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() ); |
---|
| 1029 | } |
---|
| 1030 | else |
---|
| 1031 | { |
---|
| 1032 | m_seiReader.parseSEImessage( bs, m_SEIs, nalUnitType, m_parameterSetManagerDecoder.getActiveSPS() ); |
---|
| 1033 | SEIMessages activeParamSets = getSeisByType(m_SEIs, SEI::ACTIVE_PARAMETER_SETS); |
---|
| 1034 | if (activeParamSets.size()>0) |
---|
| 1035 | { |
---|
| 1036 | SEIActiveParameterSets *seiAps = (SEIActiveParameterSets*)(*activeParamSets.begin()); |
---|
| 1037 | m_parameterSetManagerDecoder.applyPrefetchedPS(); |
---|
| 1038 | assert(seiAps->activeSeqParamSetId.size()>0); |
---|
| 1039 | if (! m_parameterSetManagerDecoder.activateSPSWithSEI(seiAps->activeSeqParamSetId[0] )) |
---|
| 1040 | { |
---|
| 1041 | printf ("Warning SPS activation with Active parameter set SEI failed"); |
---|
| 1042 | } |
---|
| 1043 | } |
---|
| 1044 | } |
---|
| 1045 | } |
---|
| 1046 | |
---|
[368] | 1047 | #if H_MV |
---|
| 1048 | Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay, Bool newLayerFlag) |
---|
| 1049 | #else |
---|
[324] | 1050 | Bool TDecTop::decode(InputNALUnit& nalu, Int& iSkipFrame, Int& iPOCLastDisplay) |
---|
[368] | 1051 | #endif |
---|
[324] | 1052 | { |
---|
| 1053 | // Initialize entropy decoder |
---|
| 1054 | m_cEntropyDecoder.setEntropyDecoder (&m_cCavlcDecoder); |
---|
| 1055 | m_cEntropyDecoder.setBitstream (nalu.m_Bitstream); |
---|
| 1056 | |
---|
| 1057 | switch (nalu.m_nalUnitType) |
---|
| 1058 | { |
---|
| 1059 | case NAL_UNIT_VPS: |
---|
| 1060 | xDecodeVPS(); |
---|
| 1061 | return false; |
---|
| 1062 | |
---|
| 1063 | case NAL_UNIT_SPS: |
---|
| 1064 | xDecodeSPS(); |
---|
| 1065 | return false; |
---|
| 1066 | |
---|
| 1067 | case NAL_UNIT_PPS: |
---|
| 1068 | xDecodePPS(); |
---|
| 1069 | return false; |
---|
| 1070 | |
---|
[446] | 1071 | case NAL_UNIT_PREFIX_SEI: |
---|
| 1072 | case NAL_UNIT_SUFFIX_SEI: |
---|
[324] | 1073 | xDecodeSEI( nalu.m_Bitstream, nalu.m_nalUnitType ); |
---|
| 1074 | return false; |
---|
| 1075 | |
---|
| 1076 | case NAL_UNIT_CODED_SLICE_TRAIL_R: |
---|
| 1077 | case NAL_UNIT_CODED_SLICE_TRAIL_N: |
---|
[446] | 1078 | case NAL_UNIT_CODED_SLICE_TLA_R: |
---|
[324] | 1079 | case NAL_UNIT_CODED_SLICE_TSA_N: |
---|
| 1080 | case NAL_UNIT_CODED_SLICE_STSA_R: |
---|
| 1081 | case NAL_UNIT_CODED_SLICE_STSA_N: |
---|
[446] | 1082 | case NAL_UNIT_CODED_SLICE_BLA_W_LP: |
---|
| 1083 | case NAL_UNIT_CODED_SLICE_BLA_W_RADL: |
---|
[324] | 1084 | case NAL_UNIT_CODED_SLICE_BLA_N_LP: |
---|
[446] | 1085 | case NAL_UNIT_CODED_SLICE_IDR_W_RADL: |
---|
[324] | 1086 | case NAL_UNIT_CODED_SLICE_IDR_N_LP: |
---|
| 1087 | case NAL_UNIT_CODED_SLICE_CRA: |
---|
| 1088 | case NAL_UNIT_CODED_SLICE_RADL_N: |
---|
[446] | 1089 | case NAL_UNIT_CODED_SLICE_RADL_R: |
---|
[324] | 1090 | case NAL_UNIT_CODED_SLICE_RASL_N: |
---|
[446] | 1091 | case NAL_UNIT_CODED_SLICE_RASL_R: |
---|
[368] | 1092 | #if H_MV |
---|
| 1093 | return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay, newLayerFlag); |
---|
| 1094 | #else |
---|
[324] | 1095 | return xDecodeSlice(nalu, iSkipFrame, iPOCLastDisplay); |
---|
[368] | 1096 | #endif |
---|
[324] | 1097 | break; |
---|
| 1098 | default: |
---|
| 1099 | assert (1); |
---|
| 1100 | } |
---|
| 1101 | |
---|
| 1102 | return false; |
---|
| 1103 | } |
---|
| 1104 | |
---|
| 1105 | /** Function for checking if picture should be skipped because of association with a previous BLA picture |
---|
| 1106 | * \param iPOCLastDisplay POC of last picture displayed |
---|
| 1107 | * \returns true if the picture should be skipped |
---|
| 1108 | * This function skips all TFD pictures that follow a BLA picture |
---|
| 1109 | * in decoding order and precede it in output order. |
---|
| 1110 | */ |
---|
| 1111 | Bool TDecTop::isSkipPictureForBLA(Int& iPOCLastDisplay) |
---|
| 1112 | { |
---|
[446] | 1113 | if (m_prevRAPisBLA && m_apcSlicePilot->getPOC() < m_pocCRA && (m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_R || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_RASL_N)) |
---|
[324] | 1114 | { |
---|
| 1115 | iPOCLastDisplay++; |
---|
| 1116 | return true; |
---|
| 1117 | } |
---|
| 1118 | return false; |
---|
| 1119 | } |
---|
| 1120 | |
---|
| 1121 | /** Function for checking if picture should be skipped because of random access |
---|
| 1122 | * \param iSkipFrame skip frame counter |
---|
| 1123 | * \param iPOCLastDisplay POC of last picture displayed |
---|
| 1124 | * \returns true if the picture shold be skipped in the random access. |
---|
| 1125 | * This function checks the skipping of pictures in the case of -s option random access. |
---|
| 1126 | * All pictures prior to the random access point indicated by the counter iSkipFrame are skipped. |
---|
| 1127 | * It also checks the type of Nal unit type at the random access point. |
---|
| 1128 | * 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. |
---|
| 1129 | * If the random access point is IDR all pictures after the random access point are decoded. |
---|
| 1130 | * If the random access point is none of the above, a warning is issues, and decoding of pictures with POC |
---|
| 1131 | * equal to or greater than the random access point POC is attempted. For non IDR/CRA/BLA random |
---|
| 1132 | * access point there is no guarantee that the decoder will not crash. |
---|
| 1133 | */ |
---|
| 1134 | Bool TDecTop::isRandomAccessSkipPicture(Int& iSkipFrame, Int& iPOCLastDisplay) |
---|
| 1135 | { |
---|
| 1136 | if (iSkipFrame) |
---|
| 1137 | { |
---|
| 1138 | iSkipFrame--; // decrement the counter |
---|
| 1139 | return true; |
---|
| 1140 | } |
---|
| 1141 | else if (m_pocRandomAccess == MAX_INT) // start of random access point, m_pocRandomAccess has not been set yet. |
---|
| 1142 | { |
---|
| 1143 | if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_CRA |
---|
[446] | 1144 | || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_LP |
---|
[324] | 1145 | || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_N_LP |
---|
[446] | 1146 | || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_BLA_W_RADL ) |
---|
[324] | 1147 | { |
---|
| 1148 | // set the POC random access since we need to skip the reordered pictures in the case of CRA/CRANT/BLA/BLANT. |
---|
| 1149 | m_pocRandomAccess = m_apcSlicePilot->getPOC(); |
---|
| 1150 | } |
---|
[446] | 1151 | else if ( m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_W_RADL || m_apcSlicePilot->getNalUnitType() == NAL_UNIT_CODED_SLICE_IDR_N_LP ) |
---|
[324] | 1152 | { |
---|
| 1153 | m_pocRandomAccess = -MAX_INT; // no need to skip the reordered pictures in IDR, they are decodable. |
---|
| 1154 | } |
---|
| 1155 | else |
---|
| 1156 | { |
---|
| 1157 | static Bool warningMessage = false; |
---|
| 1158 | if(!warningMessage) |
---|
| 1159 | { |
---|
| 1160 | printf("\nWarning: this is not a valid random access point and the data is discarded until the first CRA picture"); |
---|
| 1161 | warningMessage = true; |
---|
| 1162 | } |
---|
| 1163 | return true; |
---|
| 1164 | } |
---|
| 1165 | } |
---|
| 1166 | // skip the reordered pictures, if necessary |
---|
[446] | 1167 | 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)) |
---|
[324] | 1168 | { |
---|
| 1169 | iPOCLastDisplay++; |
---|
| 1170 | return true; |
---|
| 1171 | } |
---|
| 1172 | // if we reach here, then the picture is not skipped. |
---|
| 1173 | return false; |
---|
| 1174 | } |
---|
| 1175 | |
---|
[368] | 1176 | #if H_MV |
---|
| 1177 | TComPic* TDecTop::getPic( Int poc ) |
---|
| 1178 | { |
---|
| 1179 | xGetPic( m_layerId, poc ); |
---|
| 1180 | TComList<TComPic*>* listPic = getListPic(); |
---|
| 1181 | TComPic* pcPic = NULL; |
---|
| 1182 | for(TComList<TComPic*>::iterator it=listPic->begin(); it!=listPic->end(); it++) |
---|
| 1183 | { |
---|
| 1184 | if( (*it)->getPOC() == poc ) |
---|
| 1185 | { |
---|
| 1186 | pcPic = *it ; |
---|
| 1187 | break ; |
---|
| 1188 | } |
---|
| 1189 | } |
---|
| 1190 | return pcPic; |
---|
| 1191 | } |
---|
| 1192 | |
---|
| 1193 | TComPic* TDecTop::xGetPic( Int layerId, Int poc ) |
---|
| 1194 | { |
---|
| 1195 | return m_ivPicLists->getPic( layerId, poc ) ; |
---|
| 1196 | } |
---|
| 1197 | |
---|
| 1198 | #endif |
---|
[324] | 1199 | //! \} |
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