471 lines
19 KiB
C++
471 lines
19 KiB
C++
/*!
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* \copy
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* Copyright (c) 2009-2013, 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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* \file decoder_context.h
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*
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* \brief mainly interface introduced in Wels decoder side
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*
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* \date 3/4/2009 Created
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*
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*************************************************************************************
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*/
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#ifndef WELS_DECODER_FRAMEWORK_H__
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#define WELS_DECODER_FRAMEWORK_H__
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#include "typedefs.h"
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#include "utils.h"
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#include "wels_const.h"
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#include "wels_common_basis.h"
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#include "wels_common_defs.h"
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#include "codec_app_def.h"
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#include "parameter_sets.h"
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#include "nalu.h"
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#include "dec_frame.h"
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#include "pic_queue.h"
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#include "vlc_decoder.h"
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#include "fmo.h"
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#include "crt_util_safe_x.h"
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#include "mb_cache.h"
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#include "expand_pic.h"
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#include "mc.h"
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#include "memory_align.h"
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namespace WelsDec {
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#define MAX_PRED_MODE_ID_I16x16 3
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#define MAX_PRED_MODE_ID_CHROMA 3
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#define MAX_PRED_MODE_ID_I4x4 8
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#define WELS_QP_MAX 51
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#define LONG_TERM_REF
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typedef struct SWels_Cabac_Element {
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uint8_t uiState;
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uint8_t uiMPS;
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} SWelsCabacCtx, *PWelsCabacCtx;
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typedef struct {
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uint64_t uiRange;
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uint64_t uiOffset;
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int32_t iBitsLeft;
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uint8_t* pBuffStart;
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uint8_t* pBuffCurr;
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uint8_t* pBuffEnd;
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} SWelsCabacDecEngine, *PWelsCabacDecEngine;
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#define NEW_CTX_OFFSET_MB_TYPE_I 3
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#define NEW_CTX_OFFSET_SKIP 11
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#define NEW_CTX_OFFSET_SUBMB_TYPE 21
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#define NEW_CTX_OFFSET_MVD 40
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#define NEW_CTX_OFFSET_REF_NO 54
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#define NEW_CTX_OFFSET_DELTA_QP 60
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#define NEW_CTX_OFFSET_IPR 68
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#define NEW_CTX_OFFSET_CIPR 64
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#define NEW_CTX_OFFSET_CBP 73
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#define NEW_CTX_OFFSET_CBF 85
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#define NEW_CTX_OFFSET_MAP 105
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#define NEW_CTX_OFFSET_LAST 166
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#define NEW_CTX_OFFSET_ONE 227
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#define NEW_CTX_OFFSET_ABS 232
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#define NEW_CTX_OFFSET_TS_8x8_FLAG 399
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#define CTX_NUM_MVD 7
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#define CTX_NUM_CBP 4
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// Table 9-34 in Page 270
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#define NEW_CTX_OFFSET_TRANSFORM_SIZE_8X8_FLAG 399
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#define NEW_CTX_OFFSET_MAP_8x8 402
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#define NEW_CTX_OFFSET_LAST_8x8 417
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#define NEW_CTX_OFFSET_ONE_8x8 426
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#define NEW_CTX_OFFSET_ABS_8x8 431 // Puzzle, where is the definition?
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typedef struct TagDataBuffer {
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uint8_t* pHead;
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uint8_t* pEnd;
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uint8_t* pStartPos;
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uint8_t* pCurPos;
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} SDataBuffer;
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//limit size for SPS PPS total permitted size for parse_only
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#define SPS_PPS_BS_SIZE 128
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typedef struct TagSpsBsInfo {
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uint8_t pSpsBsBuf [SPS_PPS_BS_SIZE];
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int32_t iSpsId;
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uint16_t uiSpsBsLen;
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} SSpsBsInfo;
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typedef struct TagPpsBsInfo {
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uint8_t pPpsBsBuf [SPS_PPS_BS_SIZE];
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int32_t iPpsId;
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uint16_t uiPpsBsLen;
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} SPpsBsInfo;
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//#ifdef __cplusplus
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//extern "C" {
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//#endif//__cplusplus
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/*
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* Need move below structures to function pointer to seperate module/file later
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*/
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//typedef int32_t (*rec_mb) (Mb *cur_mb, PWelsDecoderContext pCtx);
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/*typedef for get intra predictor func pointer*/
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typedef void (*PGetIntraPredFunc) (uint8_t* pPred, const int32_t kiLumaStride);
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typedef void (*PIdctResAddPredFunc) (uint8_t* pPred, const int32_t kiStride, int16_t* pRs);
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typedef void (*PExpandPictureFunc) (uint8_t* pDst, const int32_t kiStride, const int32_t kiPicWidth,
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const int32_t kiPicHeight);
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typedef void (*PGetIntraPred8x8Func) (uint8_t* pPred, const int32_t kiLumaStride, bool bTLAvail, bool bTRAvail);
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/**/
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typedef struct TagRefPic {
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PPicture pRefList[LIST_A][MAX_DPB_COUNT]; // reference picture marking plus FIFO scheme
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PPicture pShortRefList[LIST_A][MAX_DPB_COUNT];
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PPicture pLongRefList[LIST_A][MAX_DPB_COUNT];
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uint8_t uiRefCount[LIST_A];
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uint8_t uiShortRefCount[LIST_A];
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uint8_t uiLongRefCount[LIST_A]; // dependend on ref pic module
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int32_t iMaxLongTermFrameIdx;
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} SRefPic, *PRefPic;
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typedef void (*PCopyFunc) (uint8_t* pDst, int32_t iStrideD, uint8_t* pSrc, int32_t iStrideS);
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typedef struct TagCopyFunc {
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PCopyFunc pCopyLumaFunc;
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PCopyFunc pCopyChromaFunc;
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} SCopyFunc;
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//deblock module defination
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struct TagDeblockingFunc;
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typedef struct tagDeblockingFilter {
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uint8_t* pCsData[3]; // pointer to reconstructed picture data
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int32_t iCsStride[2]; // Cs stride
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EWelsSliceType eSliceType;
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int8_t iSliceAlphaC0Offset;
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int8_t iSliceBetaOffset;
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int8_t iChromaQP[2];
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int8_t iLumaQP;
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struct TagDeblockingFunc* pLoopf;
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} SDeblockingFilter, *PDeblockingFilter;
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typedef void (*PDeblockingFilterMbFunc) (PDqLayer pCurDqLayer, PDeblockingFilter filter, int32_t boundry_flag);
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typedef void (*PLumaDeblockingLT4Func) (uint8_t* iSampleY, int32_t iStride, int32_t iAlpha, int32_t iBeta,
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int8_t* iTc);
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typedef void (*PLumaDeblockingEQ4Func) (uint8_t* iSampleY, int32_t iStride, int32_t iAlpha, int32_t iBeta);
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typedef void (*PChromaDeblockingLT4Func) (uint8_t* iSampleCb, uint8_t* iSampleCr, int32_t iStride, int32_t iAlpha,
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int32_t iBeta, int8_t* iTc);
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typedef void (*PChromaDeblockingEQ4Func) (uint8_t* iSampleCb, uint8_t* iSampleCr, int32_t iStride, int32_t iAlpha,
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int32_t iBeta);
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typedef void (*PChromaDeblockingLT4Func2) (uint8_t* iSampleCbr, int32_t iStride, int32_t iAlpha,
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int32_t iBeta, int8_t* iTc);
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typedef void (*PChromaDeblockingEQ4Func2) (uint8_t* iSampleCbr, int32_t iStride, int32_t iAlpha,
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int32_t iBeta);
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typedef struct TagDeblockingFunc {
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PLumaDeblockingLT4Func pfLumaDeblockingLT4Ver;
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PLumaDeblockingEQ4Func pfLumaDeblockingEQ4Ver;
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PLumaDeblockingLT4Func pfLumaDeblockingLT4Hor;
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PLumaDeblockingEQ4Func pfLumaDeblockingEQ4Hor;
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PChromaDeblockingLT4Func pfChromaDeblockingLT4Ver;
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PChromaDeblockingEQ4Func pfChromaDeblockingEQ4Ver;
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PChromaDeblockingLT4Func pfChromaDeblockingLT4Hor;
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PChromaDeblockingEQ4Func pfChromaDeblockingEQ4Hor;
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PChromaDeblockingLT4Func2 pfChromaDeblockingLT4Ver2;
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PChromaDeblockingEQ4Func2 pfChromaDeblockingEQ4Ver2;
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PChromaDeblockingLT4Func2 pfChromaDeblockingLT4Hor2;
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PChromaDeblockingEQ4Func2 pfChromaDeblockingEQ4Hor2;
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} SDeblockingFunc, *PDeblockingFunc;
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typedef void (*PWelsNonZeroCountFunc) (int8_t* pNonZeroCount);
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typedef void (*PWelsBlockZeroFunc) (int16_t* block, int32_t stride);
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typedef struct TagBlockFunc {
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PWelsNonZeroCountFunc pWelsSetNonZeroCountFunc;
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PWelsBlockZeroFunc pWelsBlockZero16x16Func;
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PWelsBlockZeroFunc pWelsBlockZero8x8Func;
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} SBlockFunc;
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typedef void (*PWelsFillNeighborMbInfoIntra4x4Func) (PWelsNeighAvail pNeighAvail, uint8_t* pNonZeroCount,
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int8_t* pIntraPredMode, PDqLayer pCurLayer);
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typedef void (*PWelsMapNeighToSample) (PWelsNeighAvail pNeighAvail, int32_t* pSampleAvail);
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typedef void (*PWelsMap16NeighToSample) (PWelsNeighAvail pNeighAvail, uint8_t* pSampleAvail);
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typedef int32_t (*PWelsParseIntra4x4ModeFunc) (PWelsNeighAvail pNeighAvail, int8_t* pIntraPredMode, PBitStringAux pBs,
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PDqLayer pCurDqLayer);
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typedef int32_t (*PWelsParseIntra16x16ModeFunc) (PWelsNeighAvail pNeighAvail, PBitStringAux pBs, PDqLayer pCurDqLayer);
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enum {
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OVERWRITE_NONE = 0,
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OVERWRITE_PPS = 1,
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OVERWRITE_SPS = 1 << 1,
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OVERWRITE_SUBSETSPS = 1 << 2
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};
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/*
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* SWelsDecoderContext: to maintail all modules data over decoder@framework
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*/
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typedef struct TagWelsDecoderContext {
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SLogContext sLogCtx;
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// Input
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void* pArgDec; // structured arguments for decoder, reserved here for extension in the future
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SDataBuffer sRawData;
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SDataBuffer sSavedData; //for parse only purpose
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// Configuration
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SDecodingParam* pParam;
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uint32_t uiCpuFlag; // CPU compatibility detected
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EVideoFormatType eOutputColorFormat; // color space format to be outputed
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VIDEO_BITSTREAM_TYPE eVideoType; //indicate the type of video to decide whether or not to do qp_delta error detection.
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bool bHaveGotMemory; // global memory for decoder context related ever requested?
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int32_t iImgWidthInPixel; // width of image in pixel reconstruction picture to be output
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int32_t iImgHeightInPixel;// height of image in pixel reconstruction picture to be output
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int32_t iLastImgWidthInPixel; // width of image in last successful pixel reconstruction picture to be output
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int32_t iLastImgHeightInPixel;// height of image in last successful pixel reconstruction picture to be output
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bool bFreezeOutput; // indicating current frame freezing. Default: true
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// Derived common elements
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SNalUnitHeader sCurNalHead;
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EWelsSliceType eSliceType; // Slice type
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int32_t iFrameNum;
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int32_t iPrevFrameNum; // frame number of previous frame well decoded for non-truncated mode yet
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bool bLastHasMmco5; //
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int32_t iErrorCode; // error code return while decoding in case packets lost
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SFmo sFmoList[MAX_PPS_COUNT]; // list for FMO storage
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PFmo pFmo; // current fmo context after parsed slice_header
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int32_t iActiveFmoNum; // active count number of fmo context in list
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/*needed info by decode slice level and mb level*/
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int32_t
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iDecBlockOffsetArray[24]; // address talbe for sub 4x4 block in intra4x4_mb, so no need to caculta the address every time.
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struct {
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int16_t* pMbType[LAYER_NUM_EXCHANGEABLE]; /* mb type */
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int16_t (*pMv[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM][MV_A]; //[LAYER_NUM_EXCHANGEABLE MB_BLOCK4x4_NUM*]
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int8_t (*pRefIndex[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM];
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bool* pNoSubMbPartSizeLessThan8x8Flag[LAYER_NUM_EXCHANGEABLE];
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bool* pTransformSize8x8Flag[LAYER_NUM_EXCHANGEABLE];
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int8_t* pLumaQp[LAYER_NUM_EXCHANGEABLE]; /*mb luma_qp*/
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int8_t (*pChromaQp[LAYER_NUM_EXCHANGEABLE])[2]; /*mb chroma_qp*/
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int16_t (*pMvd[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_BLOCK4x4_NUM][MV_A]; //[LAYER_NUM_EXCHANGEABLE MB_BLOCK4x4_NUM*]
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uint16_t* pCbfDc[LAYER_NUM_EXCHANGEABLE];
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int8_t (*pNzc[LAYER_NUM_EXCHANGEABLE])[24];
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int8_t (*pNzcRs[LAYER_NUM_EXCHANGEABLE])[24];
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int16_t (*pScaledTCoeff[LAYER_NUM_EXCHANGEABLE])[MB_COEFF_LIST_SIZE]; /*need be aligned*/
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int8_t (*pIntraPredMode[LAYER_NUM_EXCHANGEABLE])[8]; //0~3 top4x4 ; 4~6 left 4x4; 7 intra16x16
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int8_t (*pIntra4x4FinalMode[LAYER_NUM_EXCHANGEABLE])[MB_BLOCK4x4_NUM];
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uint8_t* pIntraNxNAvailFlag[LAYER_NUM_EXCHANGEABLE];
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int8_t* pChromaPredMode[LAYER_NUM_EXCHANGEABLE];
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int8_t* pCbp[LAYER_NUM_EXCHANGEABLE];
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uint8_t (*pMotionPredFlag[LAYER_NUM_EXCHANGEABLE][LIST_A])[MB_PARTITION_SIZE]; // 8x8
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int8_t (*pSubMbType[LAYER_NUM_EXCHANGEABLE])[MB_SUB_PARTITION_SIZE];
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int32_t* pSliceIdc[LAYER_NUM_EXCHANGEABLE]; // using int32_t for slice_idc
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int8_t* pResidualPredFlag[LAYER_NUM_EXCHANGEABLE];
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int8_t* pInterPredictionDoneFlag[LAYER_NUM_EXCHANGEABLE];
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bool* pMbCorrectlyDecodedFlag[LAYER_NUM_EXCHANGEABLE];
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bool* pMbRefConcealedFlag[LAYER_NUM_EXCHANGEABLE];
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uint32_t iMbWidth;
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uint32_t iMbHeight;
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} sMb;
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// reconstruction picture
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PPicture pDec; //pointer to current picture being reconstructed
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// reference pictures
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SRefPic sRefPic;
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SVlcTable sVlcTable; // vlc table
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SBitStringAux sBs;
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int32_t iMaxBsBufferSizeInByte; //actual memory size for BS buffer
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/* Global memory external */
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SPosOffset sFrameCrop;
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SSps sSpsBuffer[MAX_SPS_COUNT + 1];
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SPps sPpsBuffer[MAX_PPS_COUNT + 1];
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PSliceHeader pSliceHeader;
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PPicBuff pPicBuff[LIST_A]; // Initially allocated memory for pictures which are used in decoding.
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int32_t iPicQueueNumber;
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SSubsetSps sSubsetSpsBuffer[MAX_SPS_COUNT + 1];
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SNalUnit sPrefixNal;
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PAccessUnit pAccessUnitList; // current access unit list to be performed
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PSps pActiveLayerSps[MAX_LAYER_NUM];
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PSps pSps; // used by current AU
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PPps pPps; // used by current AU
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// Memory for pAccessUnitList is dynamically held till decoder destruction.
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PDqLayer pCurDqLayer; // current DQ layer representation, also carry reference base layer if applicable
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PDqLayer pDqLayersList[LAYER_NUM_EXCHANGEABLE]; // DQ layers list with memory allocated
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int32_t iPicWidthReq; // picture width have requested the memory
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int32_t iPicHeightReq; // picture height have requested the memory
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uint8_t uiTargetDqId; // maximal DQ ID in current access unit, meaning target layer ID
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bool bAvcBasedFlag; // For decoding bitstream:
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bool bEndOfStreamFlag; // Flag on end of stream requested by external application layer
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bool bInstantDecFlag; // Flag for no-delay decoding
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bool bInitialDqLayersMem; // dq layers related memory is available?
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bool bOnlyOneLayerInCurAuFlag; //only one layer in current AU: 1
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// for EC parameter sets
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bool bSpsExistAheadFlag; // whether does SPS NAL exist ahead of sequence?
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bool bSubspsExistAheadFlag;// whether does Subset SPS NAL exist ahead of sequence?
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bool bPpsExistAheadFlag; // whether does PPS NAL exist ahead of sequence?
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int32_t iSpsErrorIgnored;
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int32_t iSubSpsErrorIgnored;
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int32_t iPpsErrorIgnored;
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bool bSpsAvailFlags[MAX_SPS_COUNT];
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bool bSubspsAvailFlags[MAX_SPS_COUNT];
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bool bPpsAvailFlags[MAX_PPS_COUNT];
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int32_t iPPSLastInvalidId;
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int32_t iPPSInvalidNum;
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int32_t iSPSLastInvalidId;
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int32_t iSPSInvalidNum;
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int32_t iSubSPSLastInvalidId;
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int32_t iSubSPSInvalidNum;
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bool bReferenceLostAtT0Flag;
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int32_t iTotalNumMbRec; //record current number of decoded MB
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#ifdef LONG_TERM_REF
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bool bParamSetsLostFlag; //sps or pps do not exist or not correct
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bool bCurAuContainLtrMarkSeFlag; //current AU has the LTR marking syntax element, mark the previous frame or self
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int32_t iFrameNumOfAuMarkedLtr; //if bCurAuContainLtrMarkSeFlag==true, SHOULD set this variable
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uint16_t uiCurIdrPicId;
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#endif
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bool bNewSeqBegin;
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bool bNextNewSeqBegin;
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int iOverwriteFlags;
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ERROR_CON_IDC eErrorConMethod; //
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//for Parse only
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bool bParseOnly;
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bool bFramePending;
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bool bFrameFinish;
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int32_t iNalNum;
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int32_t iNalLenInByte[MAX_NAL_UNITS_IN_LAYER];
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SSpsBsInfo sSpsBsInfo [MAX_SPS_COUNT];
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SSpsBsInfo sSubsetSpsBsInfo [MAX_PPS_COUNT];
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SPpsBsInfo sPpsBsInfo [MAX_PPS_COUNT];
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SParserBsInfo* pParserBsInfo;
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PPicture pPreviousDecodedPictureInDpb; //pointer to previously decoded picture in DPB for error concealment
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PGetIntraPredFunc pGetI16x16LumaPredFunc[7]; //h264_predict_copy_16x16;
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PGetIntraPredFunc pGetI4x4LumaPredFunc[14]; // h264_predict_4x4_t
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PGetIntraPredFunc pGetIChromaPredFunc[7]; // h264_predict_8x8_t
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PIdctResAddPredFunc pIdctResAddPredFunc;
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SMcFunc sMcFunc;
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//Transform8x8
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PGetIntraPred8x8Func pGetI8x8LumaPredFunc[14];
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PIdctResAddPredFunc pIdctResAddPredFunc8x8;
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//For error concealment
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SCopyFunc sCopyFunc;
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/* For Deblocking */
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SDeblockingFunc sDeblockingFunc;
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SExpandPicFunc sExpandPicFunc;
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/* For Block */
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SBlockFunc sBlockFunc;
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int32_t iCurSeqIntervalTargetDependId;
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int32_t iCurSeqIntervalMaxPicWidth;
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int32_t iCurSeqIntervalMaxPicHeight;
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PWelsFillNeighborMbInfoIntra4x4Func pFillInfoCacheIntraNxNFunc;
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PWelsMapNeighToSample pMapNxNNeighToSampleFunc;
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PWelsMap16NeighToSample pMap16x16NeighToSampleFunc;
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//feedback whether or not have VCL in current AU, and the temporal ID
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int32_t iFeedbackVclNalInAu;
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int32_t iFeedbackTidInAu;
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bool bAuReadyFlag; // true: one au is ready for decoding; false: default value
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bool bPrintFrameErrorTraceFlag; //true: can print info for upper layer
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int32_t iIgnoredErrorInfoPacketCount; //store the packet number with error decoding info
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//trace handle
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void* pTraceHandle;
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//Save the last nal header info
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SNalUnitHeaderExt sLastNalHdrExt;
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SSliceHeader sLastSliceHeader;
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SWelsCabacCtx sWelsCabacContexts[4][WELS_QP_MAX + 1][WELS_CONTEXT_COUNT];
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bool bCabacInited;
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SWelsCabacCtx pCabacCtx[WELS_CONTEXT_COUNT];
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PWelsCabacDecEngine pCabacDecEngine;
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double dDecTime;
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SDecoderStatistics sDecoderStatistics;// For real time debugging
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int32_t iMbEcedNum;
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int32_t iMbEcedPropNum;
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int32_t iMbNum;
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bool bMbRefConcealed;
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bool bRPLRError;
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int32_t iECMVs[16][2];
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PPicture pECRefPic[16];
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unsigned long long uiTimeStamp;
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// To support scaling list HP
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uint16_t pDequant_coeff_buffer4x4[6][52][16];
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uint16_t pDequant_coeff_buffer8x8[6][52][64];
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uint16_t (*pDequant_coeff4x4[6])[16];// 4x4 sclaing list value pointer
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uint16_t (*pDequant_coeff8x8[6])[64];//64 residual coeff ,with 6 kinds of residual type, 52 qp level
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int iDequantCoeffPpsid;//When a new pps actived, reinitialised the scaling list value
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bool bDequantCoeff4x4Init;
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bool bSpsLatePps;
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bool bUseScalingList;
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CMemoryAlign* pMemAlign;
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} SWelsDecoderContext, *PWelsDecoderContext;
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static inline void ResetActiveSPSForEachLayer (PWelsDecoderContext pCtx) {
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if (pCtx->iTotalNumMbRec == 0) {
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for (int i = 0; i < MAX_LAYER_NUM; i++) {
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pCtx->pActiveLayerSps[i] = NULL;
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}
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}
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}
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//#ifdef __cplusplus
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//}
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//#endif//__cplusplus
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} // namespace WelsDec
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#endif//WELS_DECODER_FRAMEWORK_H__
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