/* The copyright in this software is being made available under the BSD * License, included below. This software may be subject to other third party * and contributor rights, including patent rights, and no such rights are * granted under this license. * * Copyright (c) 2010-2012, ITU/ISO/IEC * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * Neither the name of the ITU/ISO/IEC nor the names of its contributors may * be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. */ /** \file TDecEntropy.h \brief entropy decoder class (header) */ #ifndef __TDECENTROPY__ #define __TDECENTROPY__ #include "../TLibCommon/CommonDef.h" #include "../TLibCommon/TComBitStream.h" #include "../TLibCommon/TComSlice.h" #include "../TLibCommon/TComPic.h" #include "../TLibCommon/TComPrediction.h" #include "../TLibCommon/TComAdaptiveLoopFilter.h" #include "../TLibCommon/TComSampleAdaptiveOffset.h" class TDecSbac; class TDecCavlc; class SEImessages; class ParameterSetManagerDecoder; //! \ingroup TLibDecoder //! \{ // ==================================================================================================================== // Class definition // ==================================================================================================================== /// entropy decoder pure class class TDecEntropyIf { public: // Virtual list for SBAC/CAVLC virtual Void resetEntropy ( TComSlice* pcSlice ) = 0; virtual Void setBitstream ( TComInputBitstream* p ) = 0; #if OL_FLUSH virtual Void decodeFlush() = 0; #endif #if HHI_MPI virtual Void parseSPS ( TComSPS* pcSPS, Bool bIsDepth ) = 0; #else virtual Void parseSPS ( TComSPS* pcSPS ) = 0; #endif #if TILES_OR_ENTROPY_SYNC_IDC virtual Void parsePPS ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet ) = 0; #else virtual Void parsePPS ( TComPPS* pcPPS ) = 0; #endif virtual Void parseAPS ( TComAPS* pAPS ) = 0; virtual void parseSEI(SEImessages&) = 0; #if LCU_SYNTAX_ALF virtual Void parseSliceHeader ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet) = 0; #else virtual Void parseSliceHeader ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl ) = 0; #endif virtual Void parseTerminatingBit ( UInt& ruilsLast ) = 0; #if HHI_INTER_VIEW_MOTION_PRED virtual Void parseMVPIdx ( Int& riMVPIdx, Int iNumAMVPCands ) = 0; #else virtual Void parseMVPIdx ( Int& riMVPIdx ) = 0; #endif public: virtual Void parseSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ) = 0; virtual Void parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex, UInt uiAbsPartIdx, UInt uiDepth ) = 0; #if HHI_INTER_VIEW_RESIDUAL_PRED virtual Void parseResPredFlag ( TComDataCU* pcCU, Bool& rbResPredFlag, UInt uiAbsPartIdx, UInt uiDepth ) = 0; #endif virtual Void parsePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void parsePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void parseInterDir ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void parseRefFrmIdx ( TComDataCU* pcCU, Int& riRefFrmIdx, UInt uiAbsPartIdx, UInt uiDepth, RefPicList eRefList ) = 0; virtual Void parseMvd ( TComDataCU* pcCU, UInt uiAbsPartAddr, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ) = 0; virtual Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ) = 0; virtual Void parseQtCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, TextType eType, UInt uiTrDepth, UInt uiDepth ) = 0; virtual Void parseQtRootCbf ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt& uiQtRootCbf ) = 0; virtual Void parseDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ) = 0; virtual Void parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth) = 0; virtual Void parseCoeffNxN( TComDataCU* pcCU, TCoeff* pcCoef, UInt uiAbsPartIdx, UInt uiWidth, UInt uiHeight, UInt uiDepth, TextType eTType ) = 0; /// set slice granularity virtual Void setSliceGranularity(Int iSliceGranularity) = 0; /// get slice granularity virtual Int getSliceGranularity() = 0; virtual Void readTileMarker ( UInt& uiTileIdx, UInt uiBitsUsed ) = 0; virtual Void updateContextTables( SliceType eSliceType, Int iQp ) = 0; virtual ~TDecEntropyIf() {} }; /// entropy decoder class class TDecEntropy { private: TDecEntropyIf* m_pcEntropyDecoderIf; TComPrediction* m_pcPrediction; UInt m_uiBakAbsPartIdx; UInt m_uiBakChromaOffset; #if UNIFIED_TRANSFORM_TREE UInt m_bakAbsPartIdxCU; #endif public: Void init (TComPrediction* p) {m_pcPrediction = p;} Void decodePUWise ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU ); Void decodeInterDirPU ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx ); Void decodeRefFrmIdxPU ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList ); Void decodeMvdPU ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList ); Void decodeMVPIdxPU ( TComDataCU* pcSubCU, UInt uiPartAddr, UInt uiDepth, UInt uiPartIdx, RefPicList eRefList ); Void setEntropyDecoder ( TDecEntropyIf* p ); Void setBitstream ( TComInputBitstream* p ) { m_pcEntropyDecoderIf->setBitstream(p); } Void resetEntropy ( TComSlice* p) { m_pcEntropyDecoderIf->resetEntropy(p); } #if HHI_MPI Void decodeSPS ( TComSPS* pcSPS, Bool bIsDepth ) { m_pcEntropyDecoderIf->parseSPS(pcSPS, bIsDepth); } #else Void decodeSPS ( TComSPS* pcSPS ) { m_pcEntropyDecoderIf->parseSPS(pcSPS); } #endif #if TILES_OR_ENTROPY_SYNC_IDC Void decodePPS ( TComPPS* pcPPS, ParameterSetManagerDecoder *parameterSet ) { m_pcEntropyDecoderIf->parsePPS(pcPPS, parameterSet); } #else Void decodePPS ( TComPPS* pcPPS ) { m_pcEntropyDecoderIf->parsePPS(pcPPS); } #endif Void decodeAPS ( TComAPS* pAPS ) { m_pcEntropyDecoderIf->parseAPS(pAPS);} void decodeSEI(SEImessages& seis) { m_pcEntropyDecoderIf->parseSEI(seis); } #if LCU_SYNTAX_ALF Void decodeSliceHeader ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl, AlfParamSet& alfParamSet) { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl, alfParamSet); } #else Void decodeSliceHeader ( TComSlice*& rpcSlice, ParameterSetManagerDecoder *parameterSetManager, AlfCUCtrlInfo &alfCUCtrl ) { m_pcEntropyDecoderIf->parseSliceHeader(rpcSlice, parameterSetManager, alfCUCtrl); } #endif Void decodeTerminatingBit ( UInt& ruiIsLast ) { m_pcEntropyDecoderIf->parseTerminatingBit(ruiIsLast); } TDecEntropyIf* getEntropyDecoder() { return m_pcEntropyDecoderIf; } public: Void decodeSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void decodeSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void decodeMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ); Void decodeMergeIndex ( TComDataCU* pcSubCU, UInt uiPartIdx, UInt uiPartAddr, PartSize eCUMode, UChar* puhInterDirNeighbours, TComMvField* pcMvFieldNeighbours, UInt uiDepth ); #if HHI_INTER_VIEW_RESIDUAL_PRED Void decodeResPredFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU, UInt uiPUIdx ); #endif Void decodePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void decodePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void decodeIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void decodePredInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, TComDataCU* pcSubCU ); Void decodeIntraDirModeLuma ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void decodeIntraDirModeChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); #if !UNIFIED_TRANSFORM_TREE Void decodeTransformIdx ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); #endif #if UNIFIED_TRANSFORM_TREE Void decodeQP ( TComDataCU* pcCU, UInt uiAbsPartIdx ); #else Void decodeQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); #endif Void readTileMarker ( UInt& uiTileIdx, UInt uiBitsUsed ) { m_pcEntropyDecoderIf->readTileMarker( uiTileIdx, uiBitsUsed ); } Void updateContextTables ( SliceType eSliceType, Int iQp ) { m_pcEntropyDecoderIf->updateContextTables( eSliceType, iQp ); } private: #if UNIFIED_TRANSFORM_TREE Void xDecodeTransform ( TComDataCU* pcCU, UInt offsetLuma, UInt offsetChroma, UInt uiAbsPartIdx, UInt absTUPartIdx, UInt uiDepth, UInt width, UInt height, UInt uiTrIdx, UInt uiInnerQuadIdx, UInt& uiYCbfFront3, UInt& uiUCbfFront3, UInt& uiVCbfFront3, Bool& bCodeDQP ); #else Void xDecodeTransformSubdiv ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt absTUPartIdx, UInt uiDepth, UInt uiInnerQuadIdx, UInt& uiYCbfFront3, UInt& uiUCbfFront3, UInt& uiVCbfFront3 ); Void xDecodeCoeff ( TComDataCU* pcCU, UInt uiLumaOffset, UInt uiChromaOffset, UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, UInt uiTrIdx, UInt uiCurrTrIdx, Bool& bCodeDQP ); #endif //UNIFIED_TRANSFORM_TREE public: Void decodeCoeff ( TComDataCU* pcCU , UInt uiAbsPartIdx, UInt uiDepth, UInt uiWidth, UInt uiHeight, Bool& bCodeDQP ); // ALF-related /// set slice granularity Void setSliceGranularity (Int iSliceGranularity) {m_pcEntropyDecoderIf->setSliceGranularity(iSliceGranularity);} #if SAO_UNIT_INTERLEAVING Void decodeSaoParam (SAOParam* saoParam); void decodeSaoLcu(Int rx, Int ry, Int compIdx, SAOParam* saoParam, Bool &repeatedRow ); Void decodeSaoOneLcu(SaoLcuParam* saoLcuParam); #endif #if OL_FLUSH Void decodeFlush() { m_pcEntropyDecoderIf->decodeFlush(); } #endif };// END CLASS DEFINITION TDecEntropy //! \} #endif // __TDECENTROPY__