ref: f5d16838617564bf30a01020fcd0fd2a12e057f6
dir: /codec/decoder/core/inc/decoder_context.h/
/*! * \copy * Copyright (c) 2009-2013, 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. * * * \file decoder_context.h * * \brief mainly interface introduced in Wels decoder side * * \date 3/4/2009 Created * ************************************************************************************* */ #ifndef WELS_DECODER_FRAMEWORK_H__ #define WELS_DECODER_FRAMEWORK_H__ #include "typedefs.h" #include "utils.h" #include "wels_const.h" #include "wels_common_basis.h" #include "codec_app_def.h" #include "parameter_sets.h" #include "nalu.h" #include "dec_frame.h" #include "pic_queue.h" #include "vlc_decoder.h" #include "fmo.h" #include "as264_common.h" // for LONG_TERM_REF macro,can be delete if not need this macro #include "crt_util_safe_x.h" #include "mb_cache.h" namespace WelsDec { typedef struct TagDataBuffer { uint8_t* pHead; uint8_t* pEnd; uint8_t* pStartPos; uint8_t* pCurPos; } SDataBuffer; //#ifdef __cplusplus //extern "C" { //#endif//__cplusplus /* * Need move below structures to function pointer to seperate module/file later */ //typedef int32_t (*rec_mb) (Mb *cur_mb, PWelsDecoderContext pCtx); /*typedef for get intra predictor func pointer*/ typedef void (*PGetIntraPredFunc) (uint8_t* pPred, const int32_t kiLumaStride); typedef void (*PIdctResAddPredFunc) (uint8_t* pPred, const int32_t kiStride, int16_t* pRs); typedef void (*PExpandPictureFunc) (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicWidth, const int32_t kiPicHeight); /**/ typedef struct TagRefPic { PPicture pRefList[LIST_A][MAX_REF_PIC_COUNT]; // reference picture marking plus FIFO scheme PPicture pShortRefList[LIST_A][MAX_SHORT_REF_COUNT]; PPicture pLongRefList[LIST_A][MAX_LONG_REF_COUNT]; uint8_t uiRefCount[LIST_A]; uint8_t uiShortRefCount[LIST_A]; uint8_t uiLongRefCount[LIST_A]; // dependend on ref pic module int32_t iMaxLongTermFrameIdx; } SRefPic, *PRefPic; typedef void (*PWelsMcFunc) (const uint8_t* pSrc, int32_t iSrcStride, uint8_t* pDst, int32_t iDstStride, int16_t iMvX, int16_t iMvY, int32_t iWidth, int32_t iHeight); typedef struct TagMcFunc { PWelsMcFunc pMcLumaFunc; PWelsMcFunc pMcChromaFunc; } SMcFunc; //deblock module defination struct TagDeblockingFunc; typedef struct tagDeblockingFilter { uint8_t* pCsData[3]; // pointer to reconstructed picture data int32_t iCsStride[2]; // Cs stride ESliceType eSliceType; int8_t iSliceAlphaC0Offset; int8_t iSliceBetaOffset; int8_t iChromaQP; int8_t iLumaQP; struct TagDeblockingFunc* pLoopf; } SDeblockingFilter, *PDeblockingFilter; typedef void (*PDeblockingFilterMbFunc) (PDqLayer pCurDqLayer, PDeblockingFilter filter, int32_t boundry_flag); typedef void (*PLumaDeblockingLT4Func) (uint8_t* iSampleY, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t* iTc); typedef void (*PLumaDeblockingEQ4Func) (uint8_t* iSampleY, int32_t iStride, int32_t iAlpha, int32_t iBeta); typedef void (*PChromaDeblockingLT4Func) (uint8_t* iSampleCb, uint8_t* iSampleCr, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t* iTc); typedef void (*PChromaDeblockingEQ4Func) (uint8_t* iSampleCb, uint8_t* iSampleCr, int32_t iStride, int32_t iAlpha, int32_t iBeta); typedef struct TagDeblockingFunc { PLumaDeblockingLT4Func pfLumaDeblockingLT4Ver; PLumaDeblockingEQ4Func pfLumaDeblockingEQ4Ver; PLumaDeblockingLT4Func pfLumaDeblockingLT4Hor; PLumaDeblockingEQ4Func pfLumaDeblockingEQ4Hor; PChromaDeblockingLT4Func pfChromaDeblockingLT4Ver; PChromaDeblockingEQ4Func pfChromaDeblockingEQ4Ver; PChromaDeblockingLT4Func pfChromaDeblockingLT4Hor; PChromaDeblockingEQ4Func pfChromaDeblockingEQ4Hor; } SDeblockingFunc, *PDeblockingFunc; typedef void (*PWelsNonZeroCountFunc) (int16_t* pBlock, int8_t* pNonZeroCount); typedef struct TagBlockFunc { PWelsNonZeroCountFunc pWelsSetNonZeroCountFunc; } SBlockFunc; typedef void (*PWelsFillNeighborMbInfoIntra4x4Func) (PNeighAvail pNeighAvail, uint8_t* pNonZeroCount, int8_t* pIntraPredMode, PDqLayer pCurLayer); typedef int32_t (*PWelsParseIntra4x4ModeFunc) (PNeighAvail pNeighAvail, int8_t* pIntraPredMode, PBitStringAux pBs, PDqLayer pCurDqLayer); typedef int32_t (*PWelsParseIntra16x16ModeFunc) (PNeighAvail pNeighAvail, PBitStringAux pBs, PDqLayer pCurDqLayer); typedef struct TagExpandPicFunc { PExpandPictureFunc pExpandLumaPicture; PExpandPictureFunc pExpandChromaPicture[2]; } SExpandPicFunc; /* * SWelsDecoderContext: to maintail all modules data over decoder@framework */ typedef struct TagWelsDecoderContext { // Input void* pArgDec; // structured arguments for decoder, reserved here for extension in the future SDataBuffer sRawData; // Configuration SDecodingParam* pParam; uint32_t uiCpuFlag; // CPU compatibility detected int32_t iOutputColorFormat; // color space format to be outputed VIDEO_BITSTREAM_TYPE eVideoType; //indicate the type of video to decide whether or not to do qp_delta error detection. bool bErrorResilienceFlag; // error resilience flag bool bHaveGotMemory; // global memory for decoder context related ever requested? int32_t iImgWidthInPixel; // width of image in pixel reconstruction picture to be output int32_t iImgHeightInPixel;// height of image in pixel reconstruction picture to be output // Derived common elements SNalUnitHeader sCurNalHead; ESliceType eSliceType; // Slice type int32_t iFrameNum; int32_t iPrevFrameNum; // frame number of previous frame well decoded for non-truncated mode yet bool bLastHasMmco5; // int32_t iErrorCode; // error code return while decoding in case packets lost SFmo sFmoList[MAX_PPS_COUNT]; // list for FMO storage PFmo pFmo; // current fmo context after parsed slice_header int32_t iActiveFmoNum; // active count number of fmo context in list /*needed info by decode slice level and mb level*/ int32_t iDecBlockOffsetArray[24]; // address talbe for sub 4x4 block in intra4x4_mb, so no need to caculta the address every time. struct { int8_t* pMbType[LAYER_NUM_EXCHANGEABLE]; /* mb type */ int16_t (*pMv[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM][MV_A]; //[LAYER_NUM_EXCHANGEABLE MB_BLOCK4x4_NUM*] int8_t (*pRefIndex[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM]; int8_t* pLumaQp[LAYER_NUM_EXCHANGEABLE]; /*mb luma_qp*/ int8_t* pChromaQp[LAYER_NUM_EXCHANGEABLE]; /*mb chroma_qp*/ int8_t (*pNzc[LAYER_NUM_EXCHANGEABLE])[24]; int8_t (*pNzcRs[LAYER_NUM_EXCHANGEABLE])[24]; int16_t (*pScaledTCoeff[LAYER_NUM_EXCHANGEABLE])[MB_COEFF_LIST_SIZE]; /*need be aligned*/ int8_t (*pIntraPredMode[LAYER_NUM_EXCHANGEABLE])[8]; //0~3 top4x4 ; 4~6 left 4x4; 7 intra16x16 int8_t (*pIntra4x4FinalMode[LAYER_NUM_EXCHANGEABLE])[MB_BLOCK4x4_NUM]; int8_t* pChromaPredMode[LAYER_NUM_EXCHANGEABLE]; int8_t* pCbp[LAYER_NUM_EXCHANGEABLE]; uint8_t (*pMotionPredFlag[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_PARTITION_SIZE]; // 8x8 int8_t (*pSubMbType[LAYER_NUM_EXCHANGEABLE])[MB_SUB_PARTITION_SIZE]; int32_t* pSliceIdc[LAYER_NUM_EXCHANGEABLE]; // using int32_t for slice_idc int8_t* pResidualPredFlag[LAYER_NUM_EXCHANGEABLE]; int8_t* pInterPredictionDoneFlag[LAYER_NUM_EXCHANGEABLE]; uint32_t iMbWidth; uint32_t iMbHeight; } sMb; // reconstruction picture PPicture pDec; //pointer to current picture being reconstructed // reference pictures SRefPic sRefPic; SVlcTable sVlcTable; // vlc table SBitStringAux sBs; /* Global memory external */ SPosOffset sFrameCrop; SSps sSpsBuffer[MAX_SPS_COUNT]; SPps sPpsBuffer[MAX_PPS_COUNT]; PSliceHeader pSliceHeader; PPicBuff pPicBuff[LIST_A]; // Initially allocated memory for pictures which are used in decoding. int32_t iPicQueueNumber; SSubsetSps sSubsetSpsBuffer[MAX_SPS_COUNT]; SNalUnit sPrefixNal; PAccessUnit pAccessUnitList; // current access unit list to be performed PSps pActiveLayerSps[MAX_LAYER_NUM]; PPps pActiveLayerPps[MAX_LAYER_NUM]; PSps pSps; // used by current AU PPps pPps; // used by current AU // Memory for pAccessUnitList is dynamically held till decoder destruction. PDqLayer pCurDqLayer; // current DQ layer representation, also carry reference base layer if applicable PDqLayer pDqLayersList[LAYER_NUM_EXCHANGEABLE]; // DQ layers list with memory allocated int32_t iPicWidthReq; // picture width have requested the memory int32_t iPicHeightReq; // picture height have requested the memory uint8_t uiTargetDqId; // maximal DQ ID in current access unit, meaning target layer ID bool bAvcBasedFlag; // For decoding bitstream: bool bEndOfStreamFlag; // Flag on end of stream requested by external application layer bool bInitialDqLayersMem; // dq layers related memory is available? bool bOnlyOneLayerInCurAuFlag; //only one layer in current AU: 1 // for EC parameter sets bool bSpsExistAheadFlag; // whether does SPS NAL exist ahead of sequence? bool bSubspsExistAheadFlag;// whether does Subset SPS NAL exist ahead of sequence? bool bPpsExistAheadFlag; // whether does PPS NAL exist ahead of sequence? bool bSpsAvailFlags[MAX_SPS_COUNT]; bool bSubspsAvailFlags[MAX_SPS_COUNT]; bool bPpsAvailFlags[MAX_PPS_COUNT]; bool bReferenceLostAtT0Flag; int32_t iTotalNumMbRec; //record current number of decoded MB #ifdef LONG_TERM_REF bool bParamSetsLostFlag; //sps or pps do not exist or not correct bool bCurAuContainLtrMarkSeFlag; //current AU has the LTR marking syntax element, mark the previous frame or self int32_t iFrameNumOfAuMarkedLtr; //if bCurAuContainLtrMarkSeFlag==true, SHOULD set this variable uint16_t uiCurIdrPicId; #endif int32_t iErrorConMethod; // PGetIntraPredFunc pGetI16x16LumaPredFunc[7]; //h264_predict_copy_16x16; PGetIntraPredFunc pGetI4x4LumaPredFunc[14]; // h264_predict_4x4_t PGetIntraPredFunc pGetIChromaPredFunc[7]; // h264_predict_8x8_t PIdctResAddPredFunc pIdctResAddPredFunc; SMcFunc sMcFunc; /* For Deblocking */ SDeblockingFunc sDeblockingFunc; SExpandPicFunc sExpandPicFunc; /* For Block */ SBlockFunc sBlockFunc; /* For EC */ int32_t iCurSeqIntervalTargetDependId; int32_t iCurSeqIntervalMaxPicWidth; int32_t iCurSeqIntervalMaxPicHeight; PWelsFillNeighborMbInfoIntra4x4Func pFillInfoCacheIntra4x4Func; PWelsParseIntra4x4ModeFunc pParseIntra4x4ModeFunc; PWelsParseIntra16x16ModeFunc pParseIntra16x16ModeFunc; //feedback whether or not have VCL in current AU, and the temporal ID int32_t iFeedbackVclNalInAu; int32_t iFeedbackTidInAu; bool bAuReadyFlag; // true: one au is ready for decoding; false: default value //trace handle void* pTraceHandle; #ifdef NO_WAITING_AU //Save the last nal header info SNalUnitHeaderExt sLastNalHdrExt; SSliceHeader sLastSliceHeader; #endif } SWelsDecoderContext, *PWelsDecoderContext; //#ifdef __cplusplus //} //#endif//__cplusplus } // namespace WelsDec #endif//WELS_DECODER_FRAMEWORK_H__