[191] | 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 TDecGop.cpp |
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| 35 | \brief GOP decoder class |
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| 36 | */ |
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| 37 | |
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| 38 | #include "TDecGop.h" |
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| 39 | #include "TDecCAVLC.h" |
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| 40 | #include "TDecSbac.h" |
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| 41 | #include "TDecBinCoder.h" |
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| 42 | #include "TDecBinCoderCABAC.h" |
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| 43 | #include "libmd5/MD5.h" |
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| 44 | #include "TLibCommon/SEI.h" |
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| 45 | #if SVC_EXTENSION |
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| 46 | #include "TDecTop.h" |
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| 47 | #endif |
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| 48 | |
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| 49 | #include <time.h> |
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| 50 | |
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| 51 | extern Bool g_md5_mismatch; ///< top level flag to signal when there is a decode problem |
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| 52 | |
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| 53 | //! \ingroup TLibDecoder |
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| 54 | //! \{ |
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| 55 | static void calcAndPrintHashStatus(TComPicYuv& pic, const SEIDecodedPictureHash* pictureHashSEI); |
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| 56 | // ==================================================================================================================== |
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| 57 | // Constructor / destructor / initialization / destroy |
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| 58 | // ==================================================================================================================== |
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| 59 | |
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| 60 | TDecGop::TDecGop() |
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| 61 | { |
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| 62 | m_dDecTime = 0; |
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| 63 | m_pcSbacDecoders = NULL; |
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| 64 | m_pcBinCABACs = NULL; |
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| 65 | } |
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| 66 | |
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| 67 | TDecGop::~TDecGop() |
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| 68 | { |
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| 69 | |
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| 70 | } |
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| 71 | |
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| 72 | #if SVC_EXTENSION |
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| 73 | Void TDecGop::create(UInt layerId) |
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| 74 | { |
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| 75 | m_layerId = layerId; |
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| 76 | } |
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| 77 | #else |
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| 78 | Void TDecGop::create() |
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| 79 | { |
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| 80 | |
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| 81 | } |
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| 82 | #endif |
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| 83 | |
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| 84 | Void TDecGop::destroy() |
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| 85 | { |
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| 86 | } |
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| 87 | #if SVC_EXTENSION |
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| 88 | Void TDecGop::init(TDecTop** ppcDecTop, |
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| 89 | TDecEntropy* pcEntropyDecoder, |
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| 90 | #else |
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| 91 | Void TDecGop::init( TDecEntropy* pcEntropyDecoder, |
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| 92 | #endif |
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| 93 | TDecSbac* pcSbacDecoder, |
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| 94 | TDecBinCABAC* pcBinCABAC, |
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| 95 | TDecCavlc* pcCavlcDecoder, |
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| 96 | TDecSlice* pcSliceDecoder, |
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| 97 | TComLoopFilter* pcLoopFilter, |
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| 98 | TComSampleAdaptiveOffset* pcSAO |
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| 99 | ) |
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| 100 | { |
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| 101 | m_pcEntropyDecoder = pcEntropyDecoder; |
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| 102 | m_pcSbacDecoder = pcSbacDecoder; |
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| 103 | m_pcBinCABAC = pcBinCABAC; |
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| 104 | m_pcCavlcDecoder = pcCavlcDecoder; |
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| 105 | m_pcSliceDecoder = pcSliceDecoder; |
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| 106 | m_pcLoopFilter = pcLoopFilter; |
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| 107 | m_pcSAO = pcSAO; |
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| 108 | #if SVC_EXTENSION |
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| 109 | m_ppcTDecTop = ppcDecTop; |
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| 110 | #endif |
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| 111 | } |
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| 112 | |
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| 113 | |
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| 114 | // ==================================================================================================================== |
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| 115 | // Private member functions |
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| 116 | // ==================================================================================================================== |
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| 117 | // ==================================================================================================================== |
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| 118 | // Public member functions |
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| 119 | // ==================================================================================================================== |
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| 120 | |
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| 121 | Void TDecGop::decompressSlice(TComInputBitstream* pcBitstream, TComPic*& rpcPic) |
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| 122 | { |
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| 123 | TComSlice* pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx()); |
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| 124 | // Table of extracted substreams. |
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| 125 | // These must be deallocated AND their internal fifos, too. |
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| 126 | TComInputBitstream **ppcSubstreams = NULL; |
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| 127 | |
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| 128 | //-- For time output for each slice |
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| 129 | long iBeforeTime = clock(); |
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| 130 | |
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| 131 | UInt uiStartCUAddr = pcSlice->getSliceSegmentCurStartCUAddr(); |
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| 132 | |
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| 133 | UInt uiSliceStartCuAddr = pcSlice->getSliceCurStartCUAddr(); |
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| 134 | if(uiSliceStartCuAddr == uiStartCUAddr) |
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| 135 | { |
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| 136 | m_sliceStartCUAddress.push_back(uiSliceStartCuAddr); |
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| 137 | } |
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| 138 | |
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| 139 | m_pcSbacDecoder->init( (TDecBinIf*)m_pcBinCABAC ); |
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| 140 | m_pcEntropyDecoder->setEntropyDecoder (m_pcSbacDecoder); |
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| 141 | |
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| 142 | UInt uiNumSubstreams = pcSlice->getPPS()->getEntropyCodingSyncEnabledFlag() ? pcSlice->getNumEntryPointOffsets()+1 : pcSlice->getPPS()->getNumSubstreams(); |
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| 143 | |
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| 144 | // init each couple {EntropyDecoder, Substream} |
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| 145 | UInt *puiSubstreamSizes = pcSlice->getSubstreamSizes(); |
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| 146 | ppcSubstreams = new TComInputBitstream*[uiNumSubstreams]; |
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| 147 | m_pcSbacDecoders = new TDecSbac[uiNumSubstreams]; |
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| 148 | m_pcBinCABACs = new TDecBinCABAC[uiNumSubstreams]; |
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| 149 | for ( UInt ui = 0 ; ui < uiNumSubstreams ; ui++ ) |
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| 150 | { |
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| 151 | m_pcSbacDecoders[ui].init(&m_pcBinCABACs[ui]); |
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| 152 | ppcSubstreams[ui] = pcBitstream->extractSubstream(ui+1 < uiNumSubstreams ? puiSubstreamSizes[ui] : pcBitstream->getNumBitsLeft()); |
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| 153 | } |
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| 154 | |
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| 155 | for ( UInt ui = 0 ; ui+1 < uiNumSubstreams; ui++ ) |
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| 156 | { |
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| 157 | m_pcEntropyDecoder->setEntropyDecoder ( &m_pcSbacDecoders[uiNumSubstreams - 1 - ui] ); |
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| 158 | m_pcEntropyDecoder->setBitstream ( ppcSubstreams [uiNumSubstreams - 1 - ui] ); |
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| 159 | m_pcEntropyDecoder->resetEntropy (pcSlice); |
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| 160 | } |
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| 161 | |
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| 162 | m_pcEntropyDecoder->setEntropyDecoder ( m_pcSbacDecoder ); |
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| 163 | m_pcEntropyDecoder->setBitstream ( ppcSubstreams[0] ); |
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| 164 | m_pcEntropyDecoder->resetEntropy (pcSlice); |
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| 165 | |
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| 166 | if(uiSliceStartCuAddr == uiStartCUAddr) |
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| 167 | { |
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| 168 | m_LFCrossSliceBoundaryFlag.push_back( pcSlice->getLFCrossSliceBoundaryFlag()); |
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| 169 | } |
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| 170 | m_pcSbacDecoders[0].load(m_pcSbacDecoder); |
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| 171 | m_pcSliceDecoder->decompressSlice( ppcSubstreams, rpcPic, m_pcSbacDecoder, m_pcSbacDecoders); |
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| 172 | m_pcEntropyDecoder->setBitstream( ppcSubstreams[uiNumSubstreams-1] ); |
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| 173 | // deallocate all created substreams, including internal buffers. |
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| 174 | for (UInt ui = 0; ui < uiNumSubstreams; ui++) |
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| 175 | { |
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| 176 | ppcSubstreams[ui]->deleteFifo(); |
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| 177 | delete ppcSubstreams[ui]; |
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| 178 | } |
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| 179 | delete[] ppcSubstreams; |
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| 180 | delete[] m_pcSbacDecoders; m_pcSbacDecoders = NULL; |
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| 181 | delete[] m_pcBinCABACs; m_pcBinCABACs = NULL; |
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| 182 | |
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| 183 | m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC; |
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| 184 | } |
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| 185 | |
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| 186 | Void TDecGop::filterPicture(TComPic*& rpcPic) |
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| 187 | { |
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| 188 | TComSlice* pcSlice = rpcPic->getSlice(rpcPic->getCurrSliceIdx()); |
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| 189 | |
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| 190 | //-- For time output for each slice |
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| 191 | long iBeforeTime = clock(); |
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| 192 | |
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| 193 | // deblocking filter |
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| 194 | Bool bLFCrossTileBoundary = pcSlice->getPPS()->getLoopFilterAcrossTilesEnabledFlag(); |
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| 195 | m_pcLoopFilter->setCfg(bLFCrossTileBoundary); |
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| 196 | m_pcLoopFilter->loopFilterPic( rpcPic ); |
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| 197 | |
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| 198 | if(pcSlice->getSPS()->getUseSAO()) |
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| 199 | { |
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| 200 | m_sliceStartCUAddress.push_back(rpcPic->getNumCUsInFrame()* rpcPic->getNumPartInCU()); |
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| 201 | rpcPic->createNonDBFilterInfo(m_sliceStartCUAddress, 0, &m_LFCrossSliceBoundaryFlag, rpcPic->getPicSym()->getNumTiles(), bLFCrossTileBoundary); |
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| 202 | } |
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| 203 | |
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| 204 | if( pcSlice->getSPS()->getUseSAO() ) |
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| 205 | { |
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| 206 | { |
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| 207 | SAOParam *saoParam = rpcPic->getPicSym()->getSaoParam(); |
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| 208 | saoParam->bSaoFlag[0] = pcSlice->getSaoEnabledFlag(); |
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| 209 | saoParam->bSaoFlag[1] = pcSlice->getSaoEnabledFlagChroma(); |
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| 210 | m_pcSAO->setSaoLcuBasedOptimization(1); |
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| 211 | m_pcSAO->createPicSaoInfo(rpcPic); |
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| 212 | m_pcSAO->SAOProcess(saoParam); |
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| 213 | m_pcSAO->PCMLFDisableProcess(rpcPic); |
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| 214 | m_pcSAO->destroyPicSaoInfo(); |
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| 215 | } |
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| 216 | } |
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| 217 | |
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| 218 | if(pcSlice->getSPS()->getUseSAO()) |
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| 219 | { |
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| 220 | rpcPic->destroyNonDBFilterInfo(); |
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| 221 | } |
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| 222 | |
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| 223 | rpcPic->compressMotion(); |
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| 224 | Char c = (pcSlice->isIntra() ? 'I' : pcSlice->isInterP() ? 'P' : 'B'); |
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| 225 | if (!pcSlice->isReferenced()) c += 32; |
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| 226 | |
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| 227 | //-- For time output for each slice |
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| 228 | #if SVC_EXTENSION |
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| 229 | printf("\nPOC %4d LId: %1d TId: %1d ( %c-SLICE, QP%3d ) ", pcSlice->getPOC(), |
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| 230 | rpcPic->getLayerId(), |
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| 231 | pcSlice->getTLayer(), |
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| 232 | c, |
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| 233 | pcSlice->getSliceQp() ); |
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| 234 | #else |
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| 235 | printf("\nPOC %4d TId: %1d ( %c-SLICE, QP%3d ) ", pcSlice->getPOC(), |
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| 236 | pcSlice->getTLayer(), |
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| 237 | c, |
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| 238 | pcSlice->getSliceQp() ); |
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| 239 | #endif |
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| 240 | m_dDecTime += (Double)(clock()-iBeforeTime) / CLOCKS_PER_SEC; |
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| 241 | printf ("[DT %6.3f] ", m_dDecTime ); |
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| 242 | m_dDecTime = 0; |
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| 243 | |
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| 244 | for (Int iRefList = 0; iRefList < 2; iRefList++) |
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| 245 | { |
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| 246 | printf ("[L%d ", iRefList); |
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| 247 | for (Int iRefIndex = 0; iRefIndex < pcSlice->getNumRefIdx(RefPicList(iRefList)); iRefIndex++) |
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| 248 | { |
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| 249 | #if REF_IDX_FRAMEWORK && VPS_EXTN_DIRECT_REF_LAYERS_CONTINUE |
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| 250 | if( pcSlice->getRefPic(RefPicList(iRefList), iRefIndex)->isILR( m_layerId ) ) |
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| 251 | { |
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| 252 | printf( "%d(%d) ", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex), pcSlice->getRefPic(RefPicList(iRefList), iRefIndex)->getLayerId() ); |
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| 253 | } |
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| 254 | else |
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| 255 | #endif |
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| 256 | printf ("%d ", pcSlice->getRefPOC(RefPicList(iRefList), iRefIndex)); |
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| 257 | } |
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| 258 | printf ("] "); |
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| 259 | } |
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| 260 | if (m_decodedPictureHashSEIEnabled) |
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| 261 | { |
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| 262 | SEIMessages pictureHashes = getSeisByType(rpcPic->getSEIs(), SEI::DECODED_PICTURE_HASH ); |
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| 263 | const SEIDecodedPictureHash *hash = ( pictureHashes.size() > 0 ) ? (SEIDecodedPictureHash*) *(pictureHashes.begin()) : NULL; |
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| 264 | if (pictureHashes.size() > 1) |
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| 265 | { |
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| 266 | printf ("Warning: Got multiple decoded picture hash SEI messages. Using first."); |
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| 267 | } |
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| 268 | calcAndPrintHashStatus(*rpcPic->getPicYuvRec(), hash); |
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| 269 | } |
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| 270 | |
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| 271 | rpcPic->setOutputMark(true); |
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| 272 | rpcPic->setReconMark(true); |
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| 273 | m_sliceStartCUAddress.clear(); |
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| 274 | m_LFCrossSliceBoundaryFlag.clear(); |
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| 275 | } |
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| 276 | |
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| 277 | /** |
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| 278 | * Calculate and print hash for pic, compare to picture_digest SEI if |
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| 279 | * present in seis. seis may be NULL. Hash is printed to stdout, in |
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| 280 | * a manner suitable for the status line. Theformat is: |
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| 281 | * [Hash_type:xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx,(yyy)] |
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| 282 | * Where, x..x is the hash |
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| 283 | * yyy has the following meanings: |
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| 284 | * OK - calculated hash matches the SEI message |
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| 285 | * ***ERROR*** - calculated hash does not match the SEI message |
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| 286 | * unk - no SEI message was available for comparison |
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| 287 | */ |
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| 288 | static void calcAndPrintHashStatus(TComPicYuv& pic, const SEIDecodedPictureHash* pictureHashSEI) |
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| 289 | { |
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| 290 | /* calculate MD5sum for entire reconstructed picture */ |
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| 291 | UChar recon_digest[3][16]; |
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| 292 | Int numChar=0; |
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| 293 | const Char* hashType = "\0"; |
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| 294 | |
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| 295 | if (pictureHashSEI) |
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| 296 | { |
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| 297 | switch (pictureHashSEI->method) |
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| 298 | { |
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| 299 | case SEIDecodedPictureHash::MD5: |
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| 300 | { |
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| 301 | hashType = "MD5"; |
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| 302 | calcMD5(pic, recon_digest); |
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| 303 | numChar = 16; |
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| 304 | break; |
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| 305 | } |
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| 306 | case SEIDecodedPictureHash::CRC: |
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| 307 | { |
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| 308 | hashType = "CRC"; |
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| 309 | calcCRC(pic, recon_digest); |
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| 310 | numChar = 2; |
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| 311 | break; |
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| 312 | } |
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| 313 | case SEIDecodedPictureHash::CHECKSUM: |
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| 314 | { |
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| 315 | hashType = "Checksum"; |
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| 316 | calcChecksum(pic, recon_digest); |
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| 317 | numChar = 4; |
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| 318 | break; |
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| 319 | } |
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| 320 | default: |
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| 321 | { |
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| 322 | assert (!"unknown hash type"); |
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| 323 | } |
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| 324 | } |
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| 325 | } |
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| 326 | |
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| 327 | /* compare digest against received version */ |
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| 328 | const Char* ok = "(unk)"; |
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| 329 | Bool mismatch = false; |
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| 330 | |
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| 331 | if (pictureHashSEI) |
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| 332 | { |
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| 333 | ok = "(OK)"; |
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| 334 | for(Int yuvIdx = 0; yuvIdx < 3; yuvIdx++) |
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| 335 | { |
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| 336 | for (UInt i = 0; i < numChar; i++) |
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| 337 | { |
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| 338 | if (recon_digest[yuvIdx][i] != pictureHashSEI->digest[yuvIdx][i]) |
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| 339 | { |
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| 340 | ok = "(***ERROR***)"; |
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| 341 | mismatch = true; |
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| 342 | } |
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| 343 | } |
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| 344 | } |
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| 345 | } |
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| 346 | |
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| 347 | printf("[%s:%s,%s] ", hashType, digestToString(recon_digest, numChar), ok); |
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| 348 | |
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| 349 | if (mismatch) |
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| 350 | { |
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| 351 | g_md5_mismatch = true; |
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| 352 | printf("[rx%s:%s] ", hashType, digestToString(pictureHashSEI->digest, numChar)); |
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| 353 | } |
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| 354 | } |
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| 355 | //! \} |
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