ref: d9e0f2b0239b3ebb54ca1c8bb574815ffcf740d1
dir: /codec/encoder/core/inc/slice.h/
/*! * \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 "mb_cache.h" #include "picture.h" #include "parameter_sets.h" #include "svc_enc_slice_segment.h" #include "bit_stream.h" namespace WelsEnc { /*******************************sub struct of slice header****************************/ /* * Reference picture list reordering syntax, refer to page 64 in JVT X201wcm */ typedef struct TagRefPicListReorderSyntax { struct { uint32_t uiAbsDiffPicNumMinus1; //uiAbsDiffPicNumMinus1 SHOULD be in the range of [4, (1<<pSps->uiLog2MaxFrameNum)-1], {p104, JVT-X201wcm1} //but int8_t can't cover the range, SHOULD modify it. uint16_t iLongTermPicNum; uint16_t uiReorderingOfPicNumsIdc; //in order to pack 2-uint16_t into 1-(u)int32_t, so modify the type into uint16_t. } SReorderingSyntax[MAX_REFERENCE_REORDER_COUNT_NUM]; // MAX_REF_PIC_COUNT } SRefPicListReorderSyntax; /* Decoded reference picture marking syntax, refer to Page 66 in JVT X201wcm */ typedef struct TagRefPicMarking { struct { int32_t iMmcoType; int32_t iShortFrameNum; int32_t iDiffOfPicNum; int32_t iLongTermPicNum; int32_t iLongTermFrameIdx; int32_t iMaxLongTermFrameIdx; } SMmcoRef[MAX_REFERENCE_MMCO_COUNT_NUM]; // MAX_MMCO_COUNT // int32_t mmco_index; uint8_t uiMmcoCount; bool bNoOutputOfPriorPicsFlag; bool bLongTermRefFlag; bool bAdaptiveRefPicMarkingModeFlag; } SRefPicMarking; /* Header of slice syntax elements, refer to Page 63 in JVT X201wcm */ typedef struct TagSliceHeader { /*****************************slice header syntax and generated****************************/ int32_t iFirstMbInSlice; // uint32_t pic_parameter_set_id; int32_t iFrameNum; int32_t iPicOrderCntLsb; // int32_t delta_pic_order_cnt_bottom; // int32_t delta_pic_order_cnt[2]; // int32_t redundant_pic_cnt; EWelsSliceType eSliceType; uint8_t uiNumRefIdxL0Active; // //int32_t num_ref_idx_l1_active_minus1 //B frame is not supported uint8_t uiRefCount; //Ref_Pic *ref_pic; uint8_t uiRefIndex; // exact reference picture index for slice int8_t iSliceQpDelta; // int32_t slice_qp; // int32_t slice_qs_delta; // For SP/SI slices uint8_t uiDisableDeblockingFilterIdc; int8_t iSliceAlphaC0Offset; int8_t iSliceBetaOffset; #if !defined(DISABLE_FMO_FEATURE) int32_t iSliceGroupChangeCycle; #endif//!DISABLE_FMO_FEATURE SWelsSPS* pSps; SWelsPPS* pPps; int32_t iSpsId; int32_t iPpsId; uint16_t uiIdrPicId; // uint8_t color_plane_id;//from? bool bNumRefIdxActiveOverrideFlag; // bool field_pic_flag; //not supported in base profile // bool bottom_field_flag; //not supported in base profile uint8_t uiPadding1Bytes; SRefPicMarking sRefMarking; // Decoded reference picture marking syntaxs SRefPicListReorderSyntax sRefReordering; // Reference picture list reordering syntaxs } SSliceHeader, *PSliceHeader; /* SSlice header in scalable extension syntax, refer to Page 394 in JVT X201wcm */ typedef struct TagSliceHeaderExt { SSliceHeader sSliceHeader; SSubsetSps* pSubsetSps; uint32_t uiNumMbsInSlice; bool bStoreRefBasePicFlag; bool bConstrainedIntraResamplingFlag; bool bSliceSkipFlag; bool bAdaptiveBaseModeFlag; bool bDefaultBaseModeFlag; bool bAdaptiveMotionPredFlag; bool bDefaultMotionPredFlag; bool bAdaptiveResidualPredFlag; bool bDefaultResidualPredFlag; bool bTcoeffLevelPredFlag; uint8_t uiDisableInterLayerDeblockingFilterIdc; } SSliceHeaderExt, *PSliceHeaderExt; typedef struct TagSlice { // mainly for multiple threads imp. SMbCache sMbCacheInfo; // MBCache is introduced within slice dependency SBitStringAux* pSliceBsa; /*******************************sSliceHeader****************************/ SSliceHeaderExt sSliceHeaderExt; SMVUnitXY sMvStartMin; SMVUnitXY sMvStartMax; SMVUnitXY sMvc[5]; uint8_t uiMvcNum; uint8_t sScaleShift; uint8_t uiSliceIdx; bool bSliceHeaderExtFlag; // Indicate which slice header is used, avc or ext? uint8_t uiLastMbQp; // stored qp for last mb coded, maybe more efficient for mb skip detection etc. bool bDynamicSlicingSliceSizeCtrlFlag; uint8_t uiAssumeLog2BytePerMb; uint32_t uiSliceFMECostDown;//TODO: for FME switch under MT, to opt after ME final? uint8_t uiReservedFillByte; // reserved to meet 4 bytes alignment } SSlice, *PSlice; } #endif//WELS_SLICE_H__