[5] | 1 | /* The copyright in this software is being made available under the BSD |
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| 2 | * License, included below. This software may be subject to other third party |
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| 3 | * and contributor rights, including patent rights, and no such rights are |
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[1313] | 4 | * granted under this license. |
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[5] | 5 | * |
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[1313] | 6 | * Copyright (c) 2010-2015, ITU/ISO/IEC |
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[5] | 7 | * All rights reserved. |
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| 8 | * |
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| 9 | * Redistribution and use in source and binary forms, with or without |
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| 10 | * modification, are permitted provided that the following conditions are met: |
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| 11 | * |
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| 12 | * * Redistributions of source code must retain the above copyright notice, |
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| 13 | * this list of conditions and the following disclaimer. |
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| 14 | * * Redistributions in binary form must reproduce the above copyright notice, |
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| 15 | * this list of conditions and the following disclaimer in the documentation |
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| 16 | * and/or other materials provided with the distribution. |
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[56] | 17 | * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may |
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[5] | 18 | * be used to endorse or promote products derived from this software without |
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| 19 | * specific prior written permission. |
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| 20 | * |
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| 21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 22 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS |
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| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
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| 31 | * THE POSSIBILITY OF SUCH DAMAGE. |
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| 32 | */ |
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[2] | 33 | |
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| 34 | /** \file TAppDecTop.h |
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| 35 | \brief Decoder application class (header) |
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| 36 | */ |
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| 37 | |
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| 38 | #ifndef __TAPPDECTOP__ |
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| 39 | #define __TAPPDECTOP__ |
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| 40 | |
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| 41 | #if _MSC_VER > 1000 |
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| 42 | #pragma once |
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| 43 | #endif // _MSC_VER > 1000 |
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| 44 | |
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[56] | 45 | #include "TLibVideoIO/TVideoIOYuv.h" |
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| 46 | #include "TLibCommon/TComList.h" |
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| 47 | #include "TLibCommon/TComPicYuv.h" |
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| 48 | #include "TLibDecoder/TDecTop.h" |
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[2] | 49 | #include "TAppDecCfg.h" |
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| 50 | |
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[56] | 51 | //! \ingroup TAppDecoder |
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| 52 | //! \{ |
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| 53 | |
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[2] | 54 | // ==================================================================================================================== |
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| 55 | // Class definition |
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| 56 | // ==================================================================================================================== |
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| 57 | |
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| 58 | /// decoder application class |
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| 59 | class TAppDecTop : public TAppDecCfg |
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| 60 | { |
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| 61 | private: |
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[1321] | 62 | // class interface |
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[1313] | 63 | #if NH_MV |
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[608] | 64 | TDecTop* m_tDecTop [ MAX_NUM_LAYERS ]; ///< decoder classes |
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| 65 | TVideoIOYuv* m_tVideoIOYuvReconFile[ MAX_NUM_LAYERS ]; ///< reconstruction YUV class |
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[1321] | 66 | Int m_layerIdToDecIdx [ MAX_NUM_LAYER_IDS ]; ///< mapping from layer id to decoder index |
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[608] | 67 | Int m_numDecoders; ///< number of decoder instances |
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[1321] | 68 | TComPicLists m_dpb; ///< picture buffers of decoder instances |
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| 69 | |
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| 70 | TComPic* m_curPic; ///< currently decoded picture |
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| 71 | TComAu m_curAu; ///< currently decoded Au |
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| 72 | |
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| 73 | // Random access related |
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| 74 | Bool m_handleCraAsBlaFlag; |
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| 75 | Bool m_handleCraAsBlaFlagSetByExtMeans; |
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| 76 | Bool m_noClrasOutputFlag; |
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| 77 | Bool m_noClrasOutputFlagSetByExtMeans; |
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| 78 | Bool m_noRaslOutputFlagAssocIrap [ MAX_NUM_LAYER_IDS ]; |
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| 79 | |
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| 80 | // Layer wise startup |
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| 81 | Bool m_firstPicInLayerDecodedFlag [ MAX_NUM_LAYER_IDS ]; |
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| 82 | Bool m_layerInitilizedFlag [ MAX_NUM_LAYER_IDS ]; |
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| 83 | Bool m_layerResetFlag; |
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| 84 | |
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| 85 | // DPB related variables |
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| 86 | Int m_maxNumReorderPics; |
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| 87 | Int m_maxLatencyIncreasePlus1; |
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| 88 | Int m_maxLatencyValue; |
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| 89 | Int m_maxDecPicBufferingMinus1 [ MAX_NUM_LAYER_IDS ]; |
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| 90 | |
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| 91 | // Poc resetting |
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| 92 | Int m_lastPresentPocResetIdc [ MAX_NUM_LAYER_IDS ]; |
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| 93 | Bool m_firstPicInPocResettingPeriodReceived[ MAX_NUM_LAYER_IDS ]; |
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| 94 | Bool m_pocDecrementedInDpbFlag [ MAX_NUM_LAYER_IDS ]; |
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| 95 | Bool m_newPicIsFstPicOfAllLayOfPocResetPer; |
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| 96 | Bool m_newPicIsPocResettingPic; |
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| 97 | |
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| 98 | // General decoding state |
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| 99 | Bool m_newVpsActivatedbyCurAu; |
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| 100 | Bool m_newVpsActivatedbyCurPic; |
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| 101 | Bool m_eosInLayer [ MAX_NUM_LAYER_IDS ]; |
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| 102 | Bool m_initilizedFromVPS; |
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| 103 | Bool m_firstSliceInBitstream; |
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| 104 | UInt64 m_decodingOrder [ MAX_NUM_LAYER_IDS ]; |
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| 105 | UInt64 m_totalNumofPicsReceived; |
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| 106 | Bool m_cvsStartFound; |
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| 107 | Int m_smallestLayerId; |
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| 108 | |
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| 109 | // Decoding processes for current picture |
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| 110 | DecodingProcess m_decProcPocAndRps; |
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| 111 | DecodingProcess m_decProcCvsg; |
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| 112 | |
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| 113 | // Active parameter sets |
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| 114 | const TComPPS* m_pps; ///< active PPS |
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| 115 | const TComSPS* m_sps; ///< active SPS |
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[1313] | 116 | const TComVPS* m_vps; ///< active VPS |
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[1321] | 117 | |
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| 118 | Bool m_reconOpen [ MAX_NUM_LAYERS ]; ///< reconstruction file opened |
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| 119 | #if NH_3D |
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| 120 | FILE* m_pScaleOffsetFile; |
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| 121 | CamParsCollector m_cCamParsCollector; |
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| 122 | #endif |
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[608] | 123 | #else |
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| 124 | TDecTop m_cTDecTop; ///< decoder class |
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| 125 | TVideoIOYuv m_cTVideoIOYuvReconFile; ///< reconstruction YUV class |
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[1313] | 126 | // for output control |
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[608] | 127 | Int m_iPOCLastDisplay; ///< last POC in display order |
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[210] | 128 | #endif |
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[1321] | 129 | std::ofstream m_seiMessageFileStream; ///< Used for outputing SEI messages. |
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[2] | 130 | public: |
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| 131 | TAppDecTop(); |
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| 132 | virtual ~TAppDecTop() {} |
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[1313] | 133 | |
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[2] | 134 | Void create (); ///< create internal members |
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| 135 | Void destroy (); ///< destroy internal members |
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| 136 | Void decode (); ///< main decoding function |
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[1313] | 137 | #if NH_MV |
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[1321] | 138 | UInt getNumberOfChecksumErrorsDetected( ) const; |
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[1313] | 139 | UInt getNumberOfChecksumErrorsDetected( Int decIdx ) const { return m_tDecTop[decIdx]->getNumberOfChecksumErrorsDetected(); } |
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| 140 | #else |
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| 141 | UInt getNumberOfChecksumErrorsDetected() const { return m_cTDecTop.getNumberOfChecksumErrorsDetected(); } |
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| 142 | #endif |
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| 143 | |
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[608] | 144 | protected: |
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[1321] | 145 | |
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[608] | 146 | Void xCreateDecLib (); ///< create internal classes |
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| 147 | Void xDestroyDecLib (); ///< destroy internal classes |
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| 148 | Void xInitDecLib (); ///< initialize decoder class |
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[2] | 149 | |
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[1321] | 150 | #if !NH_MV |
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| 151 | Void xWriteOutput ( TComList<TComPic*>* pcListPic , UInt tId); ///< write YUV to file |
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| 152 | Void xFlushOutput ( TComList<TComPic*>* pcListPic ); ///< flush all remaining decoded pictures to file |
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| 153 | Bool isNaluWithinTargetDecLayerIdSet ( InputNALUnit* nalu ); ///< check whether given Nalu is within targetDecLayerIdSet |
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[964] | 154 | |
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[1321] | 155 | #else |
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| 156 | // Process NAL units |
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| 157 | Bool xExtractAndRewrite ( InputNALUnit* nalu ); |
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| 158 | Void xProcessVclNalu ( InputNALUnit nalu ); |
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| 159 | Bool xIsSkipVclNalu ( InputNALUnit& nalu, Bool isFirstSliceOfPic ); |
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| 160 | Void xProcessNonVclNalu ( InputNALUnit nalu ); |
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| 161 | Void xTerminateDecoding ( ); |
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[964] | 162 | |
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[1321] | 163 | // Process slice |
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| 164 | Void xDecodeFirstSliceOfPicture ( InputNALUnit nalu, Bool sliceIsFirstOfNewAu ); |
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| 165 | Void xDecodeFollowSliceOfPicture ( InputNALUnit nalu ); |
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| 166 | |
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| 167 | // Process picture |
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| 168 | Void xFinalizePreviousPictures ( Bool sliceIsFirstOfNewAU ); |
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| 169 | Void xFinalizePic ( Bool curPicIsLastInAu ); |
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| 170 | Void xFinalizeAU ( ); |
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| 171 | Void xPicDecoding ( DecProcPart curPart, Bool picPosInAuIndication ); |
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| 172 | |
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| 173 | // Clause 8 |
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| 174 | Void x812CvsgDecodingProcess ( Int decIdx ); |
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| 175 | Void x813decProcForCodPicWithLIdZero ( DecProcPart curPart ); |
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| 176 | |
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| 177 | // Annex C (DPB) |
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| 178 | Void xC522OutputAndRemOfPicsFromDpb ( ); |
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| 179 | Void xC523PicDecMarkAddBumpAndStor ( ); |
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| 180 | Void xC524Bumping ( ); |
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| 181 | |
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| 182 | // Annex F.8 |
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| 183 | Void xF811GeneralDecProc ( InputNALUnit nalu ); |
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| 184 | Void xF812CvsgDecodingProcess ( Int decIdx ); |
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| 185 | Void xF813ComDecProcForACodedPic ( DecProcPart curPart, Bool picPosInAuIndication ); |
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| 186 | Void xF814decProcForCodPicWithLIdZero ( DecProcPart curPart ); |
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| 187 | Void xF816decProcEndDecOfCodPicLIdGrtZero( ); |
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| 188 | |
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| 189 | // Annex F.13 (DPB) |
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| 190 | Void xF13521InitDpb ( ); |
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| 191 | Void xF13522OutputAndRemOfPicsFromDpb ( Bool beforePocDerivation ); |
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| 192 | Void xF13523PicDecMarkAddBumpAndStor ( Bool curPicIsLastInAu ); |
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| 193 | Void xF13524Bumping ( TComList<TComAu*> aus ); |
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| 194 | |
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| 195 | // Helpers |
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| 196 | TDecTop* xGetDecoder ( InputNALUnit& nalu ); |
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| 197 | Int xGetDecoderIdx ( Int layerId, Bool createFlag = false ); |
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| 198 | Int xPreDecodePoc ( InputNALUnit& nalu ); |
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| 199 | Bool xDetectNewAu ( InputNALUnit& nalu ); |
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| 200 | Void xDetectNewPocResettingPeriod ( InputNALUnit& nalu ); |
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| 201 | Bool xIsNaluInTargetDecLayerIdSet ( InputNALUnit* nalu ); ///< check whether given Nalu is within targetDecLayerIdSet |
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| 202 | Bool xAllRefLayersInitilized ( Int curLayerId ); |
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| 203 | Void xInitFileIO ( ); |
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| 204 | Void xOpenReconFile ( TComPic* curPic ); |
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| 205 | Void xFlushOutput ( ); |
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| 206 | Void xCropAndOutput ( TComPic* curPic ); |
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[296] | 207 | #endif |
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[2] | 208 | }; |
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| 209 | |
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[56] | 210 | //! \} |
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[608] | 211 | |
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[2] | 212 | #endif |
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