libbpg/jctvc/TLibCommon/TComSampleAdaptiveOffset.h
2015-01-16 13:46:18 +01:00

106 lines
4.6 KiB
C++

/* 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"
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/** \file TComSampleAdaptiveOffset.h
\brief sample adaptive offset class (header)
*/
#ifndef __TCOMSAMPLEADAPTIVEOFFSET__
#define __TCOMSAMPLEADAPTIVEOFFSET__
#include "CommonDef.h"
#include "TComPic.h"
//! \ingroup TLibCommon
//! \{
// ====================================================================================================================
// Constants
// ====================================================================================================================
#define MAX_SAO_TRUNCATED_BITDEPTH 10
// ====================================================================================================================
// Class definition
// ====================================================================================================================
extern UInt g_saoMaxOffsetQVal[MAX_NUM_COMPONENT];
template <typename T> Int sgn(T val)
{
return (T(0) < val) - (val < T(0));
}
class TComSampleAdaptiveOffset
{
public:
TComSampleAdaptiveOffset();
virtual ~TComSampleAdaptiveOffset();
Void SAOProcess(TComPic* pDecPic);
Void create( Int picWidth, Int picHeight, ChromaFormat format, UInt maxCUWidth, UInt maxCUHeight, UInt maxCUDepth, UInt lumaBitShift, UInt chromaBitShift );
Void destroy();
Void reconstructBlkSAOParams(TComPic* pic, SAOBlkParam* saoBlkParams);
Void PCMLFDisableProcess (TComPic* pcPic);
protected:
Void offsetBlock(ComponentID compIdx, Int typeIdx, Int* offset, Pel* srcBlk, Pel* resBlk, Int srcStride, Int resStride, Int width, Int height
, Bool isLeftAvail, Bool isRightAvail, Bool isAboveAvail, Bool isBelowAvail, Bool isAboveLeftAvail, Bool isAboveRightAvail, Bool isBelowLeftAvail, Bool isBelowRightAvail);
Void invertQuantOffsets(ComponentID compIdx, Int typeIdc, Int typeAuxInfo, Int* dstOffsets, Int* srcOffsets);
Void reconstructBlkSAOParam(SAOBlkParam& recParam, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES]);
Int getMergeList(TComPic* pic, Int ctuRsAddr, SAOBlkParam* blkParams, SAOBlkParam* mergeList[NUM_SAO_MERGE_TYPES]);
Void offsetCTU(Int ctuRsAddr, TComPicYuv* srcYuv, TComPicYuv* resYuv, SAOBlkParam& saoblkParam, TComPic* pPic);
Void xPCMRestoration(TComPic* pcPic);
Void xPCMCURestoration ( TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth );
Void xPCMSampleRestoration (TComDataCU* pcCU, UInt uiAbsZorderIdx, UInt uiDepth, ComponentID component);
protected:
UInt m_offsetStepLog2[MAX_NUM_COMPONENT]; //offset step
TComPicYuv* m_tempPicYuv; //temporary buffer
Int m_picWidth;
Int m_picHeight;
Int m_maxCUWidth;
Int m_maxCUHeight;
Int m_numCTUInWidth;
Int m_numCTUInHeight;
Int m_numCTUsPic;
Int m_lineBufWidth;
Char* m_signLineBuf1;
Char* m_signLineBuf2;
ChromaFormat m_chromaFormatIDC;
private:
Bool m_picSAOEnabled[MAX_NUM_COMPONENT];
};
//! \}
#endif