/* 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) 2010-2014, 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 TDecSbac.h \brief SBAC decoder class (header) */ #ifndef __TDECSBAC__ #define __TDECSBAC__ #if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000 #include "TDecEntropy.h" #include "TDecBinCoder.h" #include "TLibCommon/ContextTables.h" #include "TLibCommon/ContextModel.h" #include "TLibCommon/ContextModel3DBuffer.h" //! \ingroup TLibDecoder //! \{ // ==================================================================================================================== // Class definition // ==================================================================================================================== class SEImessages; /// SBAC decoder class class TDecSbac : public TDecEntropyIf { public: TDecSbac(); virtual ~TDecSbac(); Void init ( TDecBinIf* p ) { m_pcTDecBinIf = p; } Void uninit ( ) { m_pcTDecBinIf = 0; } Void load ( const TDecSbac* pSrc ); Void loadContexts ( const TDecSbac* pSrc ); Void xCopyFrom ( const TDecSbac* pSrc ); Void xCopyContextsFrom ( const TDecSbac* pSrc ); Void resetEntropy (TComSlice* pSlice ); Void setBitstream ( TComInputBitstream* p ) { m_pcBitstream = p; m_pcTDecBinIf->init( p ); } Void parseVPS ( TComVPS* /*pcVPS*/ ) {} Void parseSPS ( TComSPS* /*pcSPS*/ ) {} Void parsePPS ( TComPPS* /*pcPPS*/ #if CGS_3D_ASYMLUT , TCom3DAsymLUT * /*pc3DAsymLUT*/ , Int /*nLayerID*/ #endif ) {} Void parseSliceHeader ( TComSlice* /*pcSlice*/, ParameterSetManagerDecoder* /*parameterSetManager*/) {} Void parseTerminatingBit ( UInt& ruiBit ); Void parseRemainingBytes ( Bool noTrailingBytesExpected); Void parseMVPIdx ( Int& riMVPIdx ); Void parseSaoMaxUvlc ( UInt& val, UInt maxSymbol ); Void parseSaoMerge ( UInt& ruiVal ); Void parseSaoTypeIdx ( UInt& ruiVal ); Void parseSaoUflc ( UInt uiLength, UInt& ruiVal ); #if SVC_EXTENSION Void parseSAOBlkParam (SAOBlkParam& saoBlkParam, UInt* saoMaxOffsetQVal, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail ); #else Void parseSAOBlkParam (SAOBlkParam& saoBlkParam, Bool* sliceEnabled, Bool leftMergeAvail, Bool aboveMergeAvail); #endif Void parseSaoSign (UInt& val); private: #if RExt__DECODER_DEBUG_BIT_STATISTICS Void xReadUnarySymbol ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, const class TComCodingStatisticsClassType &whichStat ); Void xReadUnaryMaxSymbol ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol, const class TComCodingStatisticsClassType &whichStat ); Void xReadEpExGolomb ( UInt& ruiSymbol, UInt uiCount, const class TComCodingStatisticsClassType &whichStat ); Void xReadCoefRemainExGolomb ( UInt &rSymbol, UInt &rParam, const Bool useLimitedPrefixLength, const ChannelType channelType, const class TComCodingStatisticsClassType &whichStat ); #else Void xReadUnarySymbol ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset ); Void xReadUnaryMaxSymbol ( UInt& ruiSymbol, ContextModel* pcSCModel, Int iOffset, UInt uiMaxSymbol ); Void xReadEpExGolomb ( UInt& ruiSymbol, UInt uiCount ); Void xReadCoefRemainExGolomb ( UInt &rSymbol, UInt &rParam, const Bool useLimitedPrefixLength, const ChannelType channelType ); #endif private: TComInputBitstream* m_pcBitstream; TDecBinIf* m_pcTDecBinIf; public: Void parseSkipFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void parseCUTransquantBypassFlag( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void parseSplitFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void parseMergeFlag ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth, UInt uiPUIdx ); Void parseMergeIndex ( TComDataCU* pcCU, UInt& ruiMergeIndex ); Void parsePartSize ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void parsePredMode ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void parseIntraDirLumaAng( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void parseIntraDirChroma( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void parseInterDir ( TComDataCU* pcCU, UInt& ruiInterDir, UInt uiAbsPartIdx ); Void parseRefFrmIdx ( TComDataCU* pcCU, Int& riRefFrmIdx, RefPicList eRefList ); Void parseMvd ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiPartIdx, UInt uiDepth, RefPicList eRefList ); Void parseCrossComponentPrediction ( class TComTU &rTu, ComponentID compID ); Void parseTransformSubdivFlag( UInt& ruiSubdivFlag, UInt uiLog2TransformBlockSize ); Void parseQtCbf ( TComTU &rTu, const ComponentID compID, const Bool lowestLevel ); Void parseQtRootCbf ( UInt uiAbsPartIdx, UInt& uiQtRootCbf ); Void parseDeltaQP ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth ); Void parseChromaQpAdjustment( TComDataCU* cu, UInt absPartIdx, UInt depth ); Void parseIPCMInfo ( TComDataCU* pcCU, UInt uiAbsPartIdx, UInt uiDepth); Void parseLastSignificantXY( UInt& uiPosLastX, UInt& uiPosLastY, Int width, Int height, ComponentID component, UInt uiScanIdx ); Void parseCoeffNxN ( class TComTU &rTu, ComponentID compID ); Void parseTransformSkipFlags ( class TComTU &rTu, ComponentID component ); Void parseScalingList ( TComScalingList* /*scalingList*/ ) {} Void parseExplicitRdpcmMode( TComTU &rTu, ComponentID compID ); private: ContextModel m_contextModels[MAX_NUM_CTX_MOD]; Int m_numContextModels; ContextModel3DBuffer m_cCUSplitFlagSCModel; ContextModel3DBuffer m_cCUSkipFlagSCModel; ContextModel3DBuffer m_cCUMergeFlagExtSCModel; ContextModel3DBuffer m_cCUMergeIdxExtSCModel; ContextModel3DBuffer m_cCUPartSizeSCModel; ContextModel3DBuffer m_cCUPredModeSCModel; ContextModel3DBuffer m_cCUIntraPredSCModel; ContextModel3DBuffer m_cCUChromaPredSCModel; ContextModel3DBuffer m_cCUDeltaQpSCModel; ContextModel3DBuffer m_cCUInterDirSCModel; ContextModel3DBuffer m_cCURefPicSCModel; ContextModel3DBuffer m_cCUMvdSCModel; ContextModel3DBuffer m_cCUQtCbfSCModel; ContextModel3DBuffer m_cCUTransSubdivFlagSCModel; ContextModel3DBuffer m_cCUQtRootCbfSCModel; ContextModel3DBuffer m_cCUSigCoeffGroupSCModel; ContextModel3DBuffer m_cCUSigSCModel; ContextModel3DBuffer m_cCuCtxLastX; ContextModel3DBuffer m_cCuCtxLastY; ContextModel3DBuffer m_cCUOneSCModel; ContextModel3DBuffer m_cCUAbsSCModel; ContextModel3DBuffer m_cMVPIdxSCModel; ContextModel3DBuffer m_cSaoMergeSCModel; ContextModel3DBuffer m_cSaoTypeIdxSCModel; ContextModel3DBuffer m_cTransformSkipSCModel; ContextModel3DBuffer m_CUTransquantBypassFlagSCModel; ContextModel3DBuffer m_explicitRdpcmFlagSCModel; ContextModel3DBuffer m_explicitRdpcmDirSCModel; ContextModel3DBuffer m_cCrossComponentPredictionSCModel; ContextModel3DBuffer m_ChromaQpAdjFlagSCModel; ContextModel3DBuffer m_ChromaQpAdjIdcSCModel; UInt m_golombRiceAdaptationStatistics[RExt__GOLOMB_RICE_ADAPTATION_STATISTICS_SETS]; }; //! \} #endif // !defined(AFX_TDECSBAC_H__CFCAAA19_8110_47F4_9A16_810C4B5499D5__INCLUDED_)