ref: 12046fba2e6c95902323905630c6d139f0d9190f
dir: /codec/encoder/core/inc/encoder_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 encoder_context.h
*
* \brief Main pData to be operated over Wels encoder all modules
*
* \date 2/4/2009 Created
*
*************************************************************************************
*/
#ifndef WELS_ENCODER_CONTEXT_H__
#define WELS_ENCODER_CONTEXT_H__
#include <stdio.h>
#include "typedefs.h"
#include "param_svc.h"
#include "nal_encap.h"
#include "picture.h"
#include "dq_map.h"
#include "stat.h"
#include "macros.h"
#include "rc.h"
#include "as264_common.h"
#include "wels_preprocess.h"
#include "wels_func_ptr_def.h"
#include "crt_util_safe_x.h"
#include "utils.h"
#include "mt_defs.h" // for multiple threadin,
#include "WelsThreadLib.h"
namespace WelsEnc {
/*
* reference list for each quality layer in SVC
*/
typedef struct TagRefList {
SPicture* pShortRefList[1 + MAX_SHORT_REF_COUNT]; // reference list 0 - int16_t
SPicture* pLongRefList[1 + MAX_REF_PIC_COUNT]; // reference list 1 - int32_t
SPicture* pNextBuffer;
SPicture* pRef[1 + MAX_REF_PIC_COUNT]; // plus 1 for swap intend
uint8_t uiShortRefCount;
uint8_t uiLongRefCount; // dependend on pRef pic module
} SRefList;
typedef struct TagLTRState {
// LTR mark feedback
uint32_t uiLtrMarkState; // LTR mark state, indicate whether there is a LTR mark feedback unsolved
int32_t iLtrMarkFbFrameNum;// the unsolved LTR mark feedback, the marked iFrameNum feedback from decoder
// LTR used as recovery reference
int32_t iLastRecoverFrameNum; // reserve the last LTR or IDR recover iFrameNum
int32_t
iLastCorFrameNumDec; // reserved the last correct position in decoder side, use to select valid LTR to recover or to decide the LTR mark validation
int32_t
iCurFrameNumInDec; // current iFrameNum in decoder side, use to select valid LTR to recover or to decide the LTR mark validation
// LTR mark
int32_t iLTRMarkMode; // direct mark or delay mark
int32_t iLTRMarkSuccessNum; //successful marked num, for mark mode switch
int32_t iCurLtrIdx;// current int32_t term reference index to mark
int32_t iLastLtrIdx[MAX_TEMPORAL_LAYER_NUM];
int32_t iSceneLtrIdx;// related to Scene LTR, used by screen content
uint32_t uiLtrMarkInterval;// the interval from the last int32_t term pRef mark
bool bLTRMarkingFlag; //decide whether current frame marked as LTR
bool bLTRMarkEnable; //when LTR is confirmed and the interval is no smaller than the marking period
bool bReceivedT0LostFlag; // indicate whether a t0 lost feedback is recieved, for LTR recovery
} SLTRState;
typedef struct TagSpatialPicIndex {
SPicture* pSrc; // I420 based and after color space converted
int32_t iDid; // dependency id
} SSpatialPicIndex;
typedef struct TagStrideTables {
int32_t* pStrideDecBlockOffset[MAX_DEPENDENCY_LAYER][2]; // [iDid][tid==0][24 x 4]: luma+chroma= 24 x 4
int32_t* pStrideEncBlockOffset[MAX_DEPENDENCY_LAYER]; // [iDid][24 x 4]: luma+chroma= 24 x 4
int16_t* pMbIndexX[MAX_DEPENDENCY_LAYER]; // [iDid][iMbX]: map for iMbX in each spatial layer coding
int16_t* pMbIndexY[MAX_DEPENDENCY_LAYER]; // [iDid][iMbY]: map for iMbY in each spatial layer coding
} SStrideTables;
typedef struct TagWelsEncCtx {
SLogContext sLogCtx;
// Input
SWelsSvcCodingParam* pSvcParam; // SVC parameter, WelsSVCParamConfig in svc_param_settings.h
SWelsSliceBs* pSliceBs; // bitstream buffering for various slices, [uiSliceIdx]
int32_t* pSadCostMb;
/* MVD cost tables for Inter MB */
int32_t iMvRange;
uint16_t* pMvdCostTable; //[52]; // adaptive to spatial layers
int32_t iMvdCostTableSize; //the size of above table
int32_t iMvdCostTableStride; //the stride of above table
SMVUnitXY*
pMvUnitBlock4x4; // (*pMvUnitBlock4x4[2])[MB_BLOCK4x4_NUM]; // for store each 4x4 blocks' mv unit, the two swap after different d layer
int8_t*
pRefIndexBlock4x4; // (*pRefIndexBlock4x4[2])[MB_BLOCK8x8_NUM]; // for store each 4x4 blocks' pRef index, the two swap after different d layer
int8_t* pNonZeroCountBlocks; // (*pNonZeroCountBlocks)[MB_LUMA_CHROMA_BLOCK4x4_NUM];
int8_t*
pIntra4x4PredModeBlocks; // (*pIntra4x4PredModeBlocks)[INTRA_4x4_MODE_NUM]; //last byte is not used; the first 4 byte is for the bottom 12,13,14,15 4x4 block intra mode, and 3 byte for (3,7,11)
SMB** ppMbListD; // [MAX_DEPENDENCY_LAYER];
SStrideTables* pStrideTab; // stride tables for internal coding used
SWelsFuncPtrList* pFuncList;
SSliceThreading* pSliceThreading;
// SSlice context
SSliceCtx* pSliceCtxList;// slice context table for each dependency quality layer
// pointers
SPicture* pEncPic; // pointer to current picture to be encoded
SPicture* pDecPic; // pointer to current picture being reconstructed
SPicture* pRefPic; // pointer to current reference picture
SDqLayer*
pCurDqLayer; // DQ layer context used to being encoded currently, for reference base layer to refer: pCurDqLayer->pRefLayer if applicable
SDqLayer** ppDqLayerList; // overall DQ layers encoded for storage
SRefList** ppRefPicListExt; // reference picture list for SVC
SPicture* pRefList0[16];
SLTRState* pLtr;//[MAX_DEPENDENCY_LAYER];
bool bCurFrameMarkedAsSceneLtr;
// Derived
int32_t iCodingIndex;
int32_t iFrameIndex; // count how many frames elapsed during coding context currently
int32_t iFrameNum; // current frame number coding
int32_t iPOC; // frame iPOC
EWelsSliceType eSliceType; // currently coding slice type
EWelsNalUnitType eNalType; // NAL type
EWelsNalRefIdc eNalPriority; // NAL_Reference_Idc currently
EWelsNalRefIdc eLastNalPriority; // NAL_Reference_Idc in last frame
uint8_t iNumRef0;
uint8_t uiDependencyId; // Idc of dependecy layer to be coded
uint8_t uiTemporalId; // Idc of temporal layer to be coded
bool bNeedPrefixNalFlag; // whether add prefix nal
bool bEncCurFrmAsIdrFlag;
// Rate control routine
SWelsSvcRc* pWelsSvcRc;
bool bCheckWindowStatusRefreshFlag;
int64_t iCheckWindowStartTs;
int64_t iCheckWindowCurrentTs;
int32_t iCheckWindowInterval;
int32_t iCheckWindowIntervalShift;
bool bCheckWindowShiftResetFlag;
int32_t iSkipFrameFlag; //_GOM_RC_
int32_t iContinualSkipFrames;
int32_t iGlobalQp; // global qp
// VAA
SVAAFrameInfo* pVaa; // VAA information of reference
CWelsPreProcess* pVpp;
SWelsSPS* pSpsArray; // MAX_SPS_COUNT by standard compatible
SWelsSPS* pSps;
SWelsPPS* pPPSArray; // MAX_PPS_COUNT by standard compatible
SWelsPPS* pPps;
/* SVC only */
SSubsetSps* pSubsetArray; // MAX_SPS_COUNT by standard compatible
SSubsetSps* pSubsetSps;
int32_t iSpsNum; // number of pSps used
int32_t iSubsetSpsNum; // number of pSps used
int32_t iPpsNum; // number of pPps used
// Output
SWelsEncoderOutput* pOut; // for NAL raw pData (need allocating memory for sNalList internal)
uint8_t* pFrameBs; // restoring bitstream pBuffer of all NALs in a frame
int32_t iFrameBsSize; // count size of frame bs in bytes allocated
int32_t iPosBsBuffer; // current writing position of frame bs pBuffer
SSpatialPicIndex sSpatialIndexMap[MAX_DEPENDENCY_LAYER];
bool bRefOfCurTidIsLtr[MAX_DEPENDENCY_LAYER][MAX_TEMPORAL_LEVEL];
uint16_t uiIdrPicId; // IDR picture id: [0, 65535], this one is used for LTR
int32_t iMaxSliceCount;// maximal count number of slices for all layers observation
int16_t iActiveThreadsNum; // number of threads active so far
/*
* DQ layer idc map for svc encoding, might be a better scheme than that of design before,
* can aware idc of referencing layer and that idc of successive layer to be coded
*/
/* SVC only */
SDqIdc*
pDqIdcMap; // overall DQ map of full scalability in specific frame (All full D/T/Q layers involved) // pDqIdcMap[dq_index] for each SDqIdc pData
SParaSetOffset sPSOVector;
SParaSetOffset* pPSOVector;
CMemoryAlign* pMemAlign;
#if defined(STAT_OUTPUT)
// overall stat pData, refer to SStatData in stat.h, in case avc to use stat[0][0]
SStatData sStatData [ MAX_DEPENDENCY_LAYER ] [ MAX_QUALITY_LEVEL ];
SStatSliceInfo sPerInfo;
#endif//STAT_OUTPUT
//related to Statistics
int64_t uiStartTimestamp;
SEncoderStatistics sEncoderStatistics;
int32_t iStatisticsLogInterval;
int64_t iLastStatisticsLogTs;
int64_t iTotalEncodedBits;
int64_t iLastStatisticsBits;
int64_t iLastStatisticsFrameCount;
int32_t iEncoderError;
WELS_MUTEX mutexEncoderError;
bool bDeliveryFlag;
SStateCtx sWelsCabacContexts[4][WELS_QP_MAX + 1][WELS_CONTEXT_COUNT];
#ifdef ENABLE_FRAME_DUMP
bool bDependencyRecFlag[MAX_DEPENDENCY_LAYER];
bool bRecFlag;
#endif
uint32_t GetNeededSpsNum() {
if (0 == sPSOVector.uiNeededSpsNum) {
sPSOVector.uiNeededSpsNum = ((SPS_LISTING & pSvcParam->eSpsPpsIdStrategy) ? (MAX_SPS_COUNT) : (1));
sPSOVector.uiNeededSpsNum *= ((pSvcParam->bSimulcastAVC) ? (pSvcParam->iSpatialLayerNum) : (1));
}
return sPSOVector.uiNeededSpsNum;
}
uint32_t GetNeededSubsetSpsNum() {
if (0 == sPSOVector.uiNeededSubsetSpsNum) {
sPSOVector.uiNeededSubsetSpsNum = ((pSvcParam->bSimulcastAVC) ? (0) :
((SPS_LISTING & pSvcParam->eSpsPpsIdStrategy) ? (MAX_SPS_COUNT) : (pSvcParam->iSpatialLayerNum - 1)));
}
return sPSOVector.uiNeededSubsetSpsNum;
}
uint32_t GetNeededPpsNum() {
if (0 == sPSOVector.uiNeededPpsNum) {
sPSOVector.uiNeededPpsNum = ((pSvcParam->eSpsPpsIdStrategy & SPS_PPS_LISTING) ? (MAX_PPS_COUNT) :
(1 + pSvcParam->iSpatialLayerNum));
sPSOVector.uiNeededPpsNum *= ((pSvcParam->bSimulcastAVC) ? (pSvcParam->iSpatialLayerNum) : (1));
}
return sPSOVector.uiNeededPpsNum;
}
} sWelsEncCtx/*, *PWelsEncCtx*/;
}
#endif//sWelsEncCtx_H__