186 lines
5.7 KiB
C++
186 lines
5.7 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 "mb_cache.h"
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#include "picture.h"
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#include "parameter_sets.h"
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#include "svc_enc_slice_segment.h"
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#include "bit_stream.h"
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namespace WelsSVCEnc {
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/*******************************sub struct of slice header****************************/
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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; //uiAbsDiffPicNumMinus1 SHOULD be in the range of [4, (1<<pSps->uiLog2MaxFrameNum)-1], {p104, JVT-X201wcm1}
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//but int8_t can't cover the range, SHOULD modify it.
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uint16_t iLongTermPicNum;
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uint16_t uiReorderingOfPicNumsIdc; //in order to pack 2-uint16_t into 1-(u)int32_t, so modify the type into uint16_t.
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} SReorderingSyntax[MAX_REFERENCE_REORDER_COUNT_NUM]; // MAX_REF_PIC_COUNT
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} SRefPicListReorderSyntax;
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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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int32_t iMmcoType;
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int32_t iShortFrameNum;
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int32_t iDiffOfPicNum;
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int32_t iLongTermPicNum;
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int32_t iLongTermFrameIdx;
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int32_t iMaxLongTermFrameIdx;
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} SMmcoRef[MAX_REFERENCE_MMCO_COUNT_NUM]; // MAX_MMCO_COUNT
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// int32_t mmco_index;
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uint8_t uiMmcoCount;
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bool bNoOutputOfPriorPicsFlag;
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bool bLongTermRefFlag;
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bool bAdaptiveRefPicMarkingModeFlag;
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} SRefPicMarking;
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/* Header of slice syntax elements, refer to Page 63 in JVT X201wcm */
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typedef struct TagSliceHeader {
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/*****************************slice header syntax and generated****************************/
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int32_t iFirstMbInSlice;
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// uint32_t pic_parameter_set_id;
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int32_t iFrameNum;
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int32_t iPicOrderCntLsb;
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// int32_t delta_pic_order_cnt_bottom;
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// int32_t delta_pic_order_cnt[2];
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// int32_t redundant_pic_cnt;
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EWelsSliceType eSliceType;
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uint8_t uiNumRefIdxL0Active; //
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//int32_t num_ref_idx_l1_active_minus1 //B frame is not supported
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uint8_t uiRefCount;
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//Ref_Pic *ref_pic;
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uint8_t uiRefIndex; // exact reference picture index for slice
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int8_t iSliceQpDelta;
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// int32_t slice_qp;
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// int32_t slice_qs_delta; // For SP/SI slices
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uint8_t uiDisableDeblockingFilterIdc;
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int8_t iSliceAlphaC0Offset;
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int8_t iSliceBetaOffset;
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#if !defined(DISABLE_FMO_FEATURE)
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int32_t iSliceGroupChangeCycle;
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#endif//!DISABLE_FMO_FEATURE
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SWelsSPS* pSps;
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SWelsPPS* pPps;
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int32_t iSpsId;
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int32_t iPpsId;
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uint16_t uiIdrPicId;
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// uint8_t color_plane_id;//from?
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bool bNumRefIdxActiveOverrideFlag;
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// bool field_pic_flag; //not supported in base profile
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// bool bottom_field_flag; //not supported in base profile
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uint8_t uiPadding1Bytes;
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SRefPicMarking sRefMarking; // Decoded reference picture marking syntaxs
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SRefPicListReorderSyntax sRefReordering; // Reference picture list reordering syntaxs
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} SSliceHeader, *PSliceHeader;
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/* SSlice 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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SSubsetSps* pSubsetSps;
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uint32_t uiNumMbsInSlice;
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bool bStoreRefBasePicFlag;
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bool bConstrainedIntraResamplingFlag;
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bool bSliceSkipFlag;
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bool bAdaptiveBaseModeFlag;
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bool bDefaultBaseModeFlag;
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bool bAdaptiveMotionPredFlag;
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bool bDefaultMotionPredFlag;
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bool bAdaptiveResidualPredFlag;
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bool bDefaultResidualPredFlag;
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bool bTcoeffLevelPredFlag;
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uint8_t uiDisableInterLayerDeblockingFilterIdc;
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} SSliceHeaderExt, *PSliceHeaderExt;
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typedef struct TagSlice {
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// mainly for multiple threads imp.
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SMbCache sMbCacheInfo; // MBCache is introduced within slice dependency
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SBitStringAux* pSliceBsa;
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/*******************************sSliceHeader****************************/
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SSliceHeaderExt sSliceHeaderExt;
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SMVUnitXY sMvStartMin;
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SMVUnitXY sMvStartMax;
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SMVUnitXY sMvc[5];
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uint8_t uiMvcNum;
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uint8_t sScaleShift;
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uint8_t uiSliceIdx;
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bool bSliceHeaderExtFlag; // Indicate which slice header is used, avc or ext?
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uint8_t uiLastMbQp; // stored qp for last mb coded, maybe more efficient for mb skip detection etc.
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bool bDynamicSlicingSliceSizeCtrlFlag;
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uint8_t uiAssumeLog2BytePerMb;
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uint32_t uiSliceFMECostDown;//TODO: for FME switch under MT, to opt after ME final?
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uint8_t uiReservedFillByte; // reserved to meet 4 bytes alignment
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} SSlice, *PSlice;
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}
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#endif//WELS_SLICE_H__
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