/* 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) 2010-2017, 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 ContextModel3DBuffer.h \brief context model 3D buffer class (header) */ #ifndef __CONTEXTMODEL3DBUFFER__ #define __CONTEXTMODEL3DBUFFER__ #include #include #include "CommonDef.h" #include "ContextModel.h" //! \ingroup TLibCommon //! \{ // ==================================================================================================================== // Class definition // ==================================================================================================================== /// context model 3D buffer class class ContextModel3DBuffer { protected: ContextModel* m_contextModel; ///< array of context models const UInt m_sizeX; ///< X size of 3D buffer const UInt m_sizeXY; ///< X times Y size of 3D buffer const UInt m_sizeXYZ; ///< total size of 3D buffer public: ContextModel3DBuffer ( UInt uiSizeZ, UInt uiSizeY, UInt uiSizeX, ContextModel *basePtr, Int &count ); ~ContextModel3DBuffer () {} // access functions ContextModel& get( UInt uiZ, UInt uiY, UInt uiX ) { return m_contextModel[ uiZ * m_sizeXY + uiY * m_sizeX + uiX ]; } ContextModel* get( UInt uiZ, UInt uiY ) { return &m_contextModel[ uiZ * m_sizeXY + uiY * m_sizeX ]; } ContextModel* get( UInt uiZ ) { return &m_contextModel[ uiZ * m_sizeXY ]; } // initialization & copy functions Void initBuffer( SliceType eSliceType, Int iQp, UChar* ctxModel ); ///< initialize 3D buffer by slice type & QP UInt calcCost( SliceType sliceType, Int qp, UChar* ctxModel ); ///< determine cost of choosing a probability table based on current probabilities /** copy from another buffer * \param src buffer to copy from */ Void copyFrom( const ContextModel3DBuffer* src ) { assert( m_sizeXYZ == src->m_sizeXYZ ); ::memcpy( m_contextModel, src->m_contextModel, sizeof(ContextModel) * m_sizeXYZ ); } }; //! \} #endif // _HM_CONTEXT_MODEL_3DBUFFER_H_