/*! * \copy *     Copyright (c)  2013, Cisco Systems *     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. * *     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. * */ //wels_slice.h#ifndef WELS_SLICE_H__#define WELS_SLICE_H__ #include "typedefs.h"#include "wels_const.h"#include "wels_common_basis.h"#include "picture.h"#include "parameter_sets.h" namespace WelsDec { /* *	Reference picture list reordering syntax, refer to page 64 in JVT X201wcm */typedef struct TagRefPicListReorderSyntax {struct {  uint32_t    uiAbsDiffPicNumMinus1;  uint16_t    uiLongTermPicNum;  uint16_t    uiReorderingOfPicNumsIdc;} sReorderingSyn[LIST_A][MAX_REF_PIC_COUNT];bool		bRefPicListReorderingFlag[LIST_A];} SRefPicListReorderSyn, *PRefPicListReorderSyn; /* *	Prediction weight table syntax, refer to page 65 in JVT X201wcm */typedef struct TagPredWeightTabSyntax {uint32_t	uiLumaLog2WeightDenom;uint32_t	uiChromaLog2WeightDenom;struct {  int32_t	iLumaWeight[MAX_REF_PIC_COUNT];  int32_t iLumaOffset[MAX_REF_PIC_COUNT];  int32_t	iChromaWeight[MAX_REF_PIC_COUNT][2];  int32_t iChromaOffset[MAX_REF_PIC_COUNT][2];  bool	bLumaWeightFlag;  bool	bChromaWeightFlag;} sPredList[LIST_A];} SPredWeightTabSyn; /* Decoded reference picture marking syntax, refer to Page 66 in JVT X201wcm */typedef struct TagRefPicMarking {struct {  uint32_t    uiMmcoType;  int32_t     iShortFrameNum;  int32_t	    iDiffOfPicNum;  uint32_t    uiLongTermPicNum;  int32_t	    iLongTermFrameIdx;  int32_t	    iMaxLongTermFrameIdx;} sMmcoRef[MAX_MMCO_COUNT]; bool		bNoOutputOfPriorPicsFlag;bool		bLongTermRefFlag;bool		bAdaptiveRefPicMarkingModeFlag;} SRefPicMarking, *PRefPicMarking; /* Decode reference base picture marking syntax in Page 396 of JVT X201wcm */typedef struct TagRefBasePicMarkingSyn {struct {  uint32_t	uiMmcoType;  int32_t	    iShortFrameNum;  uint32_t	uiDiffOfPicNums;  uint32_t	uiLongTermPicNum; //should uint32_t, cover larger range of iFrameNum.} mmco_base[MAX_MMCO_COUNT];	// MAX_REF_PIC for reference picture based on frame bool		bAdaptiveRefBasePicMarkingModeFlag;} SRefBasePicMarking, *PRefBasePicMarking; /* Header of slice syntax elements, refer to Page 63 in JVT X201wcm */typedef struct TagSliceHeaders {/*****************************slice header syntax and generated****************************/int32_t		iFirstMbInSlice;int32_t		iFrameNum;int32_t		iPicOrderCntLsb;int32_t		iDeltaPicOrderCntBottom;int32_t		iDeltaPicOrderCnt[2];int32_t		iRedundantPicCnt;int32_t		uiRefCount[LIST_A];int32_t		iSliceQpDelta;	//no use for iSliceQp is used directlyint32_t		iSliceQp;int32_t		iSliceQsDelta;	// For SP/SI slicesuint32_t	uiDisableDeblockingFilterIdc;int32_t		iSliceAlphaC0Offset;int32_t		iSliceBetaOffset;int32_t		iSliceGroupChangeCycle; PSps		pSps;PPps		pPps;int32_t	    iSpsId;int32_t	    iPpsId;bool bIdrFlag; /*********************got from other layer for efficency if possible*********************/SRefPicListReorderSyn	pRefPicListReordering;	// Reference picture list reordering syntaxsSPredWeightTabSyn		sPredWeightTable;int32_t		iCabacInitIdc;int32_t		iMbWidth;	//from?int32_t		iMbHeight; //from?SRefPicMarking		sRefMarking;	// Decoded reference picture marking syntaxs uint16_t    uiIdrPicId;EWelsSliceType	eSliceType;bool		bNumRefIdxActiveOverrideFlag;bool		bFieldPicFlag;		//not supported in base profilebool		bBottomFiledFlag;		//not supported in base profileuint8_t		uiPadding1Byte;bool		bSpForSwitchFlag;			// For SP/SI slicesint16_t		iPadding2Bytes;} SSliceHeader, *PSliceHeader;  /* Slice header in scalable extension syntax, refer to Page 394 in JVT X201wcm */typedef struct TagSliceHeaderExt {SSliceHeader	sSliceHeader;PSubsetSps	pSubsetSps; uint32_t	uiDisableInterLayerDeblockingFilterIdc;int32_t		iInterLayerSliceAlphaC0Offset;int32_t		iInterLayerSliceBetaOffset; //SPosOffset sScaledRefLayer;int32_t		iScaledRefLayerPicWidthInSampleLuma;int32_t		iScaledRefLayerPicHeightInSampleLuma; SRefBasePicMarking	sRefBasePicMarking;bool		bBasePredWeightTableFlag;bool		bStoreRefBasePicFlag;bool		bConstrainedIntraResamplingFlag;bool		bSliceSkipFlag; bool		bAdaptiveBaseModeFlag;bool		bDefaultBaseModeFlag;bool		bAdaptiveMotionPredFlag;bool		bDefaultMotionPredFlag;bool		bAdaptiveResidualPredFlag;bool		bDefaultResidualPredFlag;bool		bTCoeffLevelPredFlag;uint8_t		uiRefLayerChromaPhaseXPlus1Flag; uint8_t		uiRefLayerChromaPhaseYPlus1;uint8_t		uiRefLayerDqId;uint8_t		uiScanIdxStart;uint8_t		uiScanIdxEnd;} SSliceHeaderExt, *PSliceHeaderExt;  typedef struct TagSlice {/*******************************slice_header****************************/SSliceHeaderExt	sSliceHeaderExt; /*******************************use for future****************************/// for Macroblock coding within sliceint32_t		iLastMbQp;		// stored qp for last mb coded, maybe more efficient for mb skip detection etc. /*******************************slice_data****************************//*slice_data_ext()*/int32_t		iMbSkipRun;int32_t     iTotalMbInCurSlice; //record the total number of MB in current slice. /*slice_data_ext() generate*/ /*******************************misc use****************************/bool		bSliceHeaderExtFlag; // Indicate which slice header is used, avc or ext?/*************got from other layer for effiency if possible***************//*from lower layer: slice header*/uint8_t		eSliceType;uint8_t		uiPadding[2];int32_t     iLastDeltaQp;} SSlice, *PSlice; } // namespace WelsDec #endif//WELS_SLICE_H__