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 TDecSlice.h |
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35 | \brief slice decoder class (header) |
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36 | */ |
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37 | |
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38 | #ifndef __TDECSLICE__ |
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39 | #define __TDECSLICE__ |
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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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45 | #include "TLibCommon/CommonDef.h" |
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46 | #include "TLibCommon/TComBitStream.h" |
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47 | #include "TLibCommon/TComPic.h" |
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48 | #include "TDecEntropy.h" |
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49 | #include "TDecCu.h" |
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50 | #include "TDecSbac.h" |
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51 | #include "TDecBinCoderCABAC.h" |
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52 | |
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53 | //! \ingroup TLibDecoder |
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54 | //! \{ |
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55 | |
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56 | // ==================================================================================================================== |
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57 | // Class definition |
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58 | // ==================================================================================================================== |
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59 | |
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60 | /// slice decoder class |
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61 | class TDecSlice |
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62 | { |
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63 | private: |
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64 | // access channel |
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65 | TDecEntropy* m_pcEntropyDecoder; |
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66 | TDecCu* m_pcCuDecoder; |
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67 | UInt m_uiCurrSliceIdx; |
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68 | |
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69 | TDecSbac* m_pcBufferSbacDecoders; ///< line to store temporary contexts, one per column of tiles. |
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70 | TDecBinCABAC* m_pcBufferBinCABACs; |
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71 | TDecSbac* m_pcBufferLowLatSbacDecoders; ///< dependent tiles: line to store temporary contexts, one per column of tiles. |
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72 | TDecBinCABAC* m_pcBufferLowLatBinCABACs; |
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73 | std::vector<TDecSbac*> CTXMem; |
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74 | |
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75 | public: |
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76 | TDecSlice(); |
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77 | virtual ~TDecSlice(); |
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78 | |
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79 | Void init ( TDecEntropy* pcEntropyDecoder, TDecCu* pcMbDecoder ); |
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80 | Void create (); |
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81 | Void destroy (); |
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82 | |
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83 | Void decompressSlice ( TComInputBitstream** ppcSubstreams, TComPic*& rpcPic, TDecSbac* pcSbacDecoder, TDecSbac* pcSbacDecoders ); |
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84 | Void initCtxMem( UInt i ); |
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85 | Void setCtxMem( TDecSbac* sb, Int b ) { CTXMem[b] = sb; } |
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86 | Int getCtxMemSize( ) { return (Int)CTXMem.size(); } |
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87 | }; |
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88 | |
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89 | |
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90 | class ParameterSetManagerDecoder:public ParameterSetManager |
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91 | { |
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92 | public: |
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93 | ParameterSetManagerDecoder(); |
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94 | virtual ~ParameterSetManagerDecoder(); |
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95 | Void storePrefetchedVPS(TComVPS *vps) { m_vpsBuffer.storePS( vps->getVPSId(), vps); }; |
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96 | TComVPS* getPrefetchedVPS (Int vpsId); |
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97 | Void storePrefetchedSPS(TComSPS *sps) { m_spsBuffer.storePS( sps->getSPSId(), sps); }; |
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98 | TComSPS* getPrefetchedSPS (Int spsId); |
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99 | Void storePrefetchedPPS(TComPPS *pps) { m_ppsBuffer.storePS( pps->getPPSId(), pps); }; |
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100 | TComPPS* getPrefetchedPPS (Int ppsId); |
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101 | Void applyPrefetchedPS(); |
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102 | |
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103 | private: |
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104 | ParameterSetMap<TComVPS> m_vpsBuffer; |
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105 | ParameterSetMap<TComSPS> m_spsBuffer; |
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106 | ParameterSetMap<TComPPS> m_ppsBuffer; |
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107 | }; |
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108 | |
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109 | |
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110 | //! \} |
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111 | |
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112 | #endif |
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113 | |
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