forked from mirror/libbpg
106 lines
4.6 KiB
C++
106 lines
4.6 KiB
C++
/* The copyright in this software is being made available under the BSD
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* License, included below. This software may be subject to other third party
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* and contributor rights, including patent rights, and no such rights are
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* granted under this license.
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*
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* Copyright (c) 2010-2014, ITU/ISO/IEC
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the ITU/ISO/IEC nor the names of its contributors may
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* be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/** \file TComSampleAdaptiveOffset.h
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\brief sample adaptive offset class (header)
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*/
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#ifndef __TCOMSAMPLEADAPTIVEOFFSET__
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#define __TCOMSAMPLEADAPTIVEOFFSET__
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#include "CommonDef.h"
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#include "TComPic.h"
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//! \ingroup TLibCommon
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//! \{
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// ====================================================================================================================
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// Constants
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// ====================================================================================================================
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#define MAX_SAO_TRUNCATED_BITDEPTH 10
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// ====================================================================================================================
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// Class definition
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// ====================================================================================================================
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extern UInt g_saoMaxOffsetQVal[MAX_NUM_COMPONENT];
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template <typename T> Int sgn(T val)
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{
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return (T(0) < val) - (val < T(0));
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}
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class TComSampleAdaptiveOffset
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{
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public:
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TComSampleAdaptiveOffset();
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virtual ~TComSampleAdaptiveOffset();
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Void SAOProcess(TComPic* pDecPic);
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Void create( Int picWidth, Int picHeight, ChromaFormat format, UInt maxCUWidth, UInt maxCUHeight, UInt maxCUDepth, UInt lumaBitShift, UInt chromaBitShift );
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Void destroy();
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Void reconstructBlkSAOParams(TComPic* pic, SAOBlkParam* saoBlkParams);
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Void PCMLFDisableProcess (TComPic* pcPic);
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protected:
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Void offsetBlock(ComponentID compIdx, Int typeIdx, Int* offset, Pel* srcBlk, Pel* resBlk, Int srcStride, Int resStride, Int width, Int height
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, Bool isLeftAvail, Bool isRightAvail, Bool isAboveAvail, Bool isBelowAvail, Bool isAboveLeftAvail, Bool isAboveRightAvail, Bool isBelowLeftAvail, Bool isBelowRightAvail);
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Void invertQuantOffsets(ComponentID compIdx, Int typeIdc, Int typeAuxInfo, Int* dstOffsets, Int* srcOffsets);
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Void reconstructBlkSAOParam(SAOBlkParam& recParam, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES]);
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Int getMergeList(TComPic* pic, Int ctuRsAddr, SAOBlkParam* blkParams, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES]);
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Void offsetCTU(Int ctuRsAddr, TComPicYuv* srcYuv, TComPicYuv* resYuv, SAOBlkParam& saoblkParam, TComPic* pPic);
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Void xPCMRestoration(TComPic* pcPic);
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Void xPCMCURestoration ( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth );
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Void xPCMSampleRestoration (TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, ComponentID component);
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protected:
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UInt m_offsetStepLog2[MAX_NUM_COMPONENT]; //offset step
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TComPicYuv* m_tempPicYuv; //temporary buffer
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Int m_picWidth;
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Int m_picHeight;
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Int m_maxCUWidth;
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Int m_maxCUHeight;
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Int m_numCTUInWidth;
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Int m_numCTUInHeight;
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Int m_numCTUsPic;
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Int m_lineBufWidth;
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Char* m_signLineBuf1;
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Char* m_signLineBuf2;
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ChromaFormat m_chromaFormatIDC;
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private:
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Bool m_picSAOEnabled[MAX_NUM_COMPONENT];
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};
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//! \}
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#endif
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