ref: bc3c63c4319949a9da0257d4a195de43987a5db5
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 {
#ifndef MOSAIC_AVOID_BASED_ON_SPS_PPS_ID
//#define MOSAIC_AVOID_BASED_ON_SPS_PPS_ID
#endif //MOSAIC_AVOID_BASED_ON_SPS_PPS_ID
typedef struct TagDataBuffer
{
uint8_t* pHead;
uint8_t* pEnd;
uint8_t* pStartPos;
uint8_t* pCurPos;
}SDataBuffer;
//#ifdef __cplusplus
//extern "C" {
//#endif//__cplusplus
//#pragma pack(1)
/*
* 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_t (*PGetIntraPredFunc)(uint8_t *pPred, const int32_t kiLumaStride);
typedef void_t (*PIdctResAddPredFunc)(uint8_t *pPred, const int32_t kiStride, int16_t *pRs);
typedef void_t (*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_t (*PWelsMcFunc) (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_t (*PDeblockingFilterMbFunc)( PDqLayer pCurDqLayer, PDeblockingFilter filter, int32_t boundry_flag );
typedef void_t (*PLumaDeblockingLT4Func)( uint8_t *iSampleY, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t *iTc );
typedef void_t (*PLumaDeblockingEQ4Func)( uint8_t *iSampleY, int32_t iStride, int32_t iAlpha, int32_t iBeta );
typedef void_t (*PChromaDeblockingLT4Func)( uint8_t *iSampleCb, uint8_t *iSampleCr, int32_t iStride, int32_t iAlpha, int32_t iBeta, int8_t *iTc );
typedef void_t (*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 pfChromaDeblockinEQ4Hor;
} SDeblockingFunc, *PDeblockingFunc;
typedef void_t (*PWelsBlockAddStrideFunc)(uint8_t *pDest, uint8_t *pPred, int16_t *pRes, int32_t iPredStride, int32_t iResStride);
typedef void_t (*PWelsBlockZeroFunc) (int16_t* pBlock, int32_t iStride);
typedef void_t (*PWelsNonZeroCountFunc) (int16_t *pBlock, int8_t *pNonZeroCount);
typedef void_t (*PWelsSimpleIdct4x4AddFunc) (int16_t *pDest, int16_t *pSrc, int32_t iStride);
typedef struct TagBlockFunc {
PWelsBlockZeroFunc pWelsBlockZero16x16Func;
PWelsBlockZeroFunc pWelsBlockZero8x8Func;
PWelsNonZeroCountFunc pWelsSetNonZeroCountFunc;
} SBlockFunc;
typedef void_t ( *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_t *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 iDecoderMode; // indicate decoder running mode
int32_t iSetMode; // indicate decoder mode set from upper layer, this is read-only for decoder internal
int32_t iDecoderOutputProperty; // indicate the output buffer property
int32_t iModeSwitchType; // 1: optimal decision; 2: forced switch to the other mode; 0: no switch
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_t bErrorResilienceFlag; // error resilience flag
bool_t 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
int32_t iMaxWidthInSps; // maximal width of pixel in SPS sets
int32_t iMaxHeightInSps; // maximal height of pixel in SPS sets
// 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_t 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];
int16_t iMbWidth;
int16_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;
#ifdef MOSAIC_AVOID_BASED_ON_SPS_PPS_ID
int32_t iSpsTotalNum; //the number of SPS in current IDR interval
int32_t iSubspsTotalNum; //the number of subsps in current IDR interval
int32_t iPpsTotalNum; //the number of PPS in current IDR interval.
#endif //MOSAIC_AVOID_BASED_ON_SPS_PPS_ID
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 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
uint8_t *pCsListXchg[LAYER_NUM_EXCHANGEABLE][3]; // Constructed picture buffer: 0- cur layer, 1- ref layer;
int16_t *pRsListXchg[LAYER_NUM_EXCHANGEABLE][3];// Residual picture buffer: 0- cur layer, 1- ref layer;
int32_t iCsStride[3]; // strides for Cs
int32_t iRsStride[3]; // strides for Rs
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_t bAvcBasedFlag; // For decoding bitstream:
bool_t bEndOfStreamFlag; // Flag on end of stream requested by external application layer
bool_t bInitialDqLayersMem; // dq layers related memory is available?
bool_t bOnlyOneLayerInCurAuFlag; //only one layer in current AU: 1
// for EC parameter sets
bool_t bSpsExistAheadFlag; // whether does SPS NAL exist ahead of sequence?
bool_t bSubspsExistAheadFlag;// whether does Subset SPS NAL exist ahead of sequence?
bool_t bPpsExistAheadFlag; // whether does PPS NAL exist ahead of sequence?
bool_t bSpsAvailFlags[MAX_SPS_COUNT];
bool_t bSubspsAvailFlags[MAX_SPS_COUNT];
bool_t bPpsAvailFlags[MAX_PPS_COUNT];
bool_t bReferenceLostAtT0Flag;
#ifdef LONG_TERM_REF
bool_t bParamSetsLostFlag; //sps or pps do not exist or not correct
bool_t 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
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_t bAuReadyFlag; // TRUE: one au is ready for decoding; FALSE: default value
//trace handle
void_t * pTraceHandle;
#ifdef NO_WAITING_AU
//Save the last nal header info
SNalUnitHeaderExt sLastNalHdrExt;
SSliceHeader sLastSliceHeader;
#endif
}SWelsDecoderContext, *PWelsDecoderContext;
//#pragma pack()
//#ifdef __cplusplus
//}
//#endif//__cplusplus
} // namespace WelsDec
#endif//WELS_DECODER_FRAMEWORK_H__