162 lines
6.4 KiB
C++
162 lines
6.4 KiB
C++
/*!
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* \copy
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* Copyright (c) 2011-2013, 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 wels_preprocess.h
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*
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* \brief interface of video pre-process plugins
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*
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* \date 03/15/2011
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*
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* \description : this class is designed as an interface to unify video pre-processing
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* class implement sets such as denoise,colorspace conversion etc...
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*
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*************************************************************************************
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*/
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#ifndef WELS_PREPROCESS_H
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#define WELS_PREPROCESS_H
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#include "typedefs.h"
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#include "picture.h"
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#include "wels_const.h"
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#include "IWelsVP.h"
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#include "param_svc.h"
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namespace WelsSVCEnc {
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typedef struct TagWelsEncCtx sWelsEncCtx;
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typedef struct {
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SPicture* pScaledInputPicture;
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int32_t iScaledWidth[MAX_DEPENDENCY_LAYER];
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int32_t iScaledHeight[MAX_DEPENDENCY_LAYER];
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} Scaled_Picture;
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typedef struct {
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SVAACalcResult sVaaCalcInfo;
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SAdaptiveQuantizationParam sAdaptiveQuantParam;
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SComplexityAnalysisParam sComplexityAnalysisParam;
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int32_t iPicWidth; // maximal iWidth of picture in samples for svc coding
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int32_t iPicHeight; // maximal iHeight of picture in samples for svc coding
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int32_t iPicStride; //luma
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int32_t iPicStrideUV;
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uint8_t* pRefY; //pRef
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uint8_t* pCurY; //cur
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uint8_t* pRefU; //pRef
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uint8_t* pCurU; //cur
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uint8_t* pRefV; //pRef
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uint8_t* pCurV; //cur
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int8_t* pVaaBackgroundMbFlag;
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uint8_t uiValidLongTermPicIdx;
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uint8_t uiMarkLongTermPicIdx;
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bool bSceneChangeFlag;
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bool bIdrPeriodFlag;
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} SVAAFrameInfo;
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class CWelsLib {
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public:
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CWelsLib (sWelsEncCtx* pEncCtx);
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virtual ~CWelsLib();
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int32_t CreateIface (IWelsVP** ppInterfaceVp);
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int32_t DestroyIface (IWelsVP* pInterfaceVp);
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protected:
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void* QueryFunction (const char* pName);
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private:
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void* m_pVpLib;
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void* m_pInterface[2];
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};
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class CWelsPreProcess {
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public:
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CWelsPreProcess (sWelsEncCtx* pEncCtx);
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virtual ~CWelsPreProcess();
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public:
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int32_t WelsPreprocessReset (sWelsEncCtx* pEncCtx);
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int32_t AllocSpatialPictures (sWelsEncCtx* pCtx, SWelsSvcCodingParam* pParam);
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void FreeSpatialPictures (sWelsEncCtx* pCtx);
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int32_t BuildSpatialPicList (sWelsEncCtx* pEncCtx, const SSourcePicture* kpSrcPic);
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int32_t AnalyzeSpatialPic (sWelsEncCtx* pEncCtx, const int32_t kiDIdx);
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int32_t UpdateSpatialPictures(sWelsEncCtx* pEncCtx, SWelsSvcCodingParam* pParam, const int8_t iCurTid, const int32_t d_idx);
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private:
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int32_t WelsPreprocessCreate();
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int32_t WelsPreprocessDestroy();
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int32_t InitLastSpatialPictures (sWelsEncCtx* pEncCtx);
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private:
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int32_t SingleLayerPreprocess (sWelsEncCtx* pEncCtx, const SSourcePicture* kpSrc, Scaled_Picture* m_sScaledPicture);
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void BilateralDenoising (SPicture* pSrc, const int32_t iWidth, const int32_t iHeight);
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bool DetectSceneChange (SPicture* pCurPicture, SPicture* pRefPicture);
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int32_t DownsamplePadding (SPicture* pSrc, SPicture* pDstPic, int32_t iSrcWidth, int32_t iSrcHeight,
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int32_t iShrinkWidth, int32_t iShrinkHeight, int32_t iTargetWidth, int32_t iTargetHeight);
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void VaaCalculation (SVAAFrameInfo* pVaaInfo, SPicture* pCurPicture, SPicture* pRefPicture, bool bCalculateSQDiff,
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bool bCalculateVar, bool bCalculateBGD);
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void BackgroundDetection (SVAAFrameInfo* pVaaInfo, SPicture* pCurPicture, SPicture* pRefPicture, bool bDetectFlag);
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void AdaptiveQuantCalculation (SVAAFrameInfo* pVaaInfo, SPicture* pCurPicture, SPicture* pRefPicture);
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void AnalyzePictureComplexity (sWelsEncCtx* pCtx, SPicture* pCurPicture, SPicture* pRefPicture,
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const int32_t kiDependencyId, const bool kbCalculateBGD);
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void Padding (uint8_t* pSrcY, uint8_t* pSrcU, uint8_t* pSrcV, int32_t iStrideY, int32_t iStrideUV,
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int32_t iActualWidth, int32_t iPaddingWidth, int32_t iActualHeight, int32_t iPaddingHeight);
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void SetRefMbType (sWelsEncCtx* pCtx, uint32_t** pRefMbTypeArray, int32_t iRefPicType);
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int32_t ColorspaceConvert (SWelsSvcCodingParam* pSvcParam, SPicture* pDstPic, const SSourcePicture* kpSrc,
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const int32_t kiWidth, const int32_t kiHeight);
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void WelsMoveMemoryWrapper (SWelsSvcCodingParam* pSvcParam, SPicture* pDstPic, const SSourcePicture* kpSrc,
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const int32_t kiWidth, const int32_t kiHeight);
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private:
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Scaled_Picture m_sScaledPicture;
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SPicture* m_pLastSpatialPicture[MAX_DEPENDENCY_LAYER][2];
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IWelsVP* m_pInterfaceVp;
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CWelsLib* m_pEncLib;
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sWelsEncCtx* m_pEncCtx;
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bool m_bInitDone;
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/* For Downsampling & VAA I420 based source pictures */
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SPicture* m_pSpatialPic[MAX_DEPENDENCY_LAYER][MAX_TEMPORAL_LEVEL + 1 +
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LONG_TERM_REF_NUM]; // need memory requirement with total number of (log2(uiGopSize)+1+1+long_term_ref_num)
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uint8_t m_uiSpatialLayersInTemporal[MAX_DEPENDENCY_LAYER];
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uint8_t m_uiSpatialPicNum[MAX_DEPENDENCY_LAYER];
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};
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}
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#endif
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