205 lines
6.9 KiB
C++
205 lines
6.9 KiB
C++
/*!
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* \copy
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* Copyright (c) 2013, Cisco Systems
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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
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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//wels_slice.h
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#ifndef WELS_SLICE_H__
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#define WELS_SLICE_H__
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#include "typedefs.h"
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#include "wels_const.h"
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#include "wels_common_basis.h"
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#include "picture.h"
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#include "parameter_sets.h"
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namespace WelsDec {
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/*
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* Reference picture list reordering syntax, refer to page 64 in JVT X201wcm
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*/
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typedef struct TagRefPicListReorderSyntax {
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struct {
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uint32_t uiAbsDiffPicNumMinus1;
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uint16_t uiLongTermPicNum;
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uint16_t uiReorderingOfPicNumsIdc;
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} sReorderingSyn[LIST_A][MAX_REF_PIC_COUNT];
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bool_t bRefPicListReorderingFlag[LIST_A];
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} SRefPicListReorderSyn, *PRefPicListReorderSyn;
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/*
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* Prediction weight table syntax, refer to page 65 in JVT X201wcm
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*/
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typedef struct TagPredWeightTabSyntax {
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uint32_t uiLumaLog2WeightDenom;
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uint32_t uiChromaLog2WeightDenom;
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struct {
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int32_t iLumaWeight[MAX_REF_PIC_COUNT];
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int32_t iLumaOffset[MAX_REF_PIC_COUNT];
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int32_t iChromaWeight[MAX_REF_PIC_COUNT][2];
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int32_t iChromaOffset[MAX_REF_PIC_COUNT][2];
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bool_t bLumaWeightFlag;
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bool_t bChromaWeightFlag;
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} sPredList[LIST_A];
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} SPredWeightTabSyn;
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/* Decoded reference picture marking syntax, refer to Page 66 in JVT X201wcm */
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typedef struct TagRefPicMarking {
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struct {
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uint32_t uiMmcoType;
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int32_t iShortFrameNum;
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int32_t iDiffOfPicNum;
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uint32_t uiLongTermPicNum;
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int32_t iLongTermFrameIdx;
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int32_t iMaxLongTermFrameIdx;
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} sMmcoRef[MAX_MMCO_COUNT];
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bool_t bNoOutputOfPriorPicsFlag;
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bool_t bLongTermRefFlag;
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bool_t bAdaptiveRefPicMarkingModeFlag;
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} SRefPicMarking, *PRefPicMarking;
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/* Decode reference base picture marking syntax in Page 396 of JVT X201wcm */
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typedef struct TagRefBasePicMarkingSyn {
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struct {
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uint32_t uiMmcoType;
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int32_t iShortFrameNum;
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uint32_t uiDiffOfPicNums;
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uint32_t uiLongTermPicNum; //should uint32_t, cover larger range of iFrameNum.
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} mmco_base[MAX_MMCO_COUNT]; // MAX_REF_PIC for reference picture based on frame
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bool_t bAdaptiveRefBasePicMarkingModeFlag;
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} SRefBasePicMarking, *PRefBasePicMarking;
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/* Header of slice syntax elements, refer to Page 63 in JVT X201wcm */
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typedef struct TagSliceHeaders {
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/*****************************slice header syntax and generated****************************/
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int32_t iFirstMbInSlice;
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int32_t iFrameNum;
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int32_t iPicOrderCntLsb;
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int32_t iDeltaPicOrderCntBottom;
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int32_t iDeltaPicOrderCnt[2];
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int32_t iRedundantPicCnt;
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int32_t uiRefCount[LIST_A];
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int32_t iSliceQpDelta; //no use for iSliceQp is used directly
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int32_t iSliceQp;
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int32_t iSliceQsDelta; // For SP/SI slices
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uint32_t uiDisableDeblockingFilterIdc;
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int32_t iSliceAlphaC0Offset;
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int32_t iSliceBetaOffset;
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int32_t iSliceGroupChangeCycle;
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PSps pSps;
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PPps pPps;
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int32_t iSpsId;
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int32_t iPpsId;
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/*********************got from other layer for efficency if possible*********************/
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SRefPicListReorderSyn pRefPicListReordering; // Reference picture list reordering syntaxs
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SPredWeightTabSyn sPredWeightTable;
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int32_t iCabacInitIdc;
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int32_t iMbWidth; //from?
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int32_t iMbHeight; //from?
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SRefPicMarking sRefMarking; // Decoded reference picture marking syntaxs
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uint16_t uiIdrPicId;
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ESliceType eSliceType;
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bool_t bNumRefIdxActiveOverrideFlag;
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bool_t bFieldPicFlag; //not supported in base profile
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bool_t bBottomFiledFlag; //not supported in base profile
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uint8_t uiPadding1Byte;
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bool_t bSpForSwitchFlag; // For SP/SI slices
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int16_t iPadding2Bytes;
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} SSliceHeader, *PSliceHeader;
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/* Slice header in scalable extension syntax, refer to Page 394 in JVT X201wcm */
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typedef struct TagSliceHeaderExt {
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SSliceHeader sSliceHeader;
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PSubsetSps pSubsetSps;
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uint32_t uiNumMbsInSlice;
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uint32_t uiDisableInterLayerDeblockingFilterIdc;
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int32_t iInterLayerSliceAlphaC0Offset;
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int32_t iInterLayerSliceBetaOffset;
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//SPosOffset sScaledRefLayer;
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int32_t iScaledRefLayerPicWidthInSampleLuma;
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int32_t iScaledRefLayerPicHeightInSampleLuma;
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SRefBasePicMarking sRefBasePicMarking;
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bool_t bBasePredWeightTableFlag;
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bool_t bStoreRefBasePicFlag;
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bool_t bConstrainedIntraResamplingFlag;
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bool_t bSliceSkipFlag;
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bool_t bAdaptiveBaseModeFlag;
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bool_t bDefaultBaseModeFlag;
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bool_t bAdaptiveMotionPredFlag;
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bool_t bDefaultMotionPredFlag;
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bool_t bAdaptiveResidualPredFlag;
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bool_t bDefaultResidualPredFlag;
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bool_t bTCoeffLevelPredFlag;
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uint8_t uiRefLayerChromaPhaseXPlus1Flag;
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uint8_t uiRefLayerChromaPhaseYPlus1;
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uint8_t uiRefLayerDqId;
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uint8_t uiScanIdxStart;
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uint8_t uiScanIdxEnd;
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} SSliceHeaderExt, *PSliceHeaderExt;
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typedef struct TagSlice {
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/*******************************slice_header****************************/
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SSliceHeaderExt sSliceHeaderExt;
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/*******************************use for future****************************/
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// for Macroblock coding within slice
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int32_t iLastMbQp; // stored qp for last mb coded, maybe more efficient for mb skip detection etc.
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/*******************************slice_data****************************/
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/*slice_data_ext()*/
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int32_t iMbSkipRun;
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int32_t iTotalMbInCurSlice; //record the total number of MB in current slice.
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/*slice_data_ext() generate*/
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/*******************************misc use****************************/
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bool_t bSliceHeaderExtFlag; // Indicate which slice header is used, avc or ext?
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/*************got from other layer for effiency if possible***************/
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/*from lower layer: slice header*/
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uint8_t eSliceType;
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uint8_t uiPadding[2];
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} SSlice, *PSlice;
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} // namespace WelsDec
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#endif//WELS_SLICE_H__
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