ref: 2edc251ded2d7d7c8d9f82f99b3d072aa2581131
dir: /codec/encoder/core/inc/wels_preprocess.h/
/*!
* \copy
* Copyright (c) 2011-2013, 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 wels_preprocess.h
*
* \brief interface of video pre-process plugins
*
* \date 03/15/2011
*
* \description : this class is designed as an interface to unify video pre-processing
* class implement sets such as denoise,colorspace conversion etc...
*
*************************************************************************************
*/
#ifndef WELS_PREPROCESS_H
#define WELS_PREPROCESS_H
#include "typedefs.h"
#include "picture.h"
#include "wels_const.h"
#include "IWelsVP.h"
#include "param_svc.h"
namespace WelsSVCEnc {
typedef struct
{
SPicture *pScaledInputPicture;
int32_t iScaledWidth[MAX_DEPENDENCY_LAYER];
int32_t iScaledHeight[MAX_DEPENDENCY_LAYER];
} Scaled_Picture;
typedef struct
{
SVAACalcResult sVaaCalcInfo;
SAdaptiveQuantizationParam sAdaptiveQuantParam;
SComplexityAnalysisParam sComplexityAnalysisParam;
int32_t iPicWidth; // maximal iWidth of picture in samples for svc coding
int32_t iPicHeight; // maximal iHeight of picture in samples for svc coding
int32_t iPicStride; //luma
int32_t iPicStrideUV;
uint8_t *pRefY; //pRef
uint8_t *pCurY; //cur
uint8_t *pRefU; //pRef
uint8_t *pCurU; //cur
uint8_t *pRefV; //pRef
uint8_t *pCurV; //cur
int8_t *pVaaBackgroundMbFlag;
uint8_t uiValidLongTermPicIdx;
uint8_t uiMarkLongTermPicIdx;
bool_t bSceneChangeFlag;
bool_t bIdrPeriodFlag;
} SVAAFrameInfo;
class CWelsLib
{
public:
CWelsLib(void *pEncCtx);
virtual ~CWelsLib();
int32_t CreateIface(void **pEncCtx);
int32_t DestroyIface(void *pEncCtx);
protected:
void *QueryFunction(const str_t *pName);
private:
void *m_pVpLib;
void *m_pInterface[2];
};
class CWelsPreProcess
{
public:
CWelsPreProcess(void *pEncCtx);
virtual ~CWelsPreProcess();
public:
int32_t WelsPreprocessReset ( void *pEncCtx );
int32_t WelsPreprocessStep1( void *pEncCtx, const SSourcePicture **kppSrcPicList, const int32_t kiConfiguredLayerNum );
int32_t WelsPreprocessStep3( void *pEncCtx, const int32_t kiDIdx );
private:
int32_t WelsPreprocessCreate();
int32_t WelsPreprocessDestroy();
int32_t InitLastSpatialPictures( void *pEncCtx );
private:
int32_t SingleLayerPreprocess( void *pEncCtx, const SSourcePicture *kpSrc, Scaled_Picture * m_sScaledPicture );
int32_t MultiLayerPreprocess( void *pEncCtx, const SSourcePicture **kppSrcPicList, const int32_t kiSpatialNum );
void BilateralDenoising ( SPicture *pSrc, const int32_t iWidth, const int32_t iHeight );
bool_t DetectSceneChange( SPicture *pCurPicture, SPicture *pRefPicture );
int32_t DownsamplePadding( SPicture *pSrc, SPicture *pDstPic, int32_t iSrcWidth, int32_t iSrcHeight,
int32_t iShrinkWidth, int32_t iShrinkHeight, int32_t iTargetWidth, int32_t iTargetHeight );
void VaaCalculation( SVAAFrameInfo *pVaaInfo, SPicture *pCurPicture, SPicture *pRefPicture, bool_t bCalculateSQDiff, bool_t bCalculateVar, bool_t bCalculateBGD );
void BackgroundDetection( SVAAFrameInfo *pVaaInfo, SPicture *pCurPicture, SPicture *pRefPicture, bool_t bDetectFlag );
void AdaptiveQuantCalculation( SVAAFrameInfo *pVaaInfo, SPicture *pCurPicture, SPicture *pRefPicture );
void AnalyzePictureComplexity( void *pCtx, SPicture *pCurPicture, SPicture *pRefPicture, const int32_t kiDependencyId, const bool_t kbCalculateBGD );
void Padding(uint8_t *pSrcY, uint8_t *pSrcU, uint8_t *pSrcV, int32_t iStrideY, int32_t iStrideUV,
int32_t iActualWidth, int32_t iPaddingWidth, int32_t iActualHeight, int32_t iPaddingHeight);
void SetRefMbType(void *pCtx, uint32_t **pRefMbTypeArray, int32_t iRefPicType);
int32_t ColorspaceConvert( SWelsSvcCodingParam *pSvcParam, SPicture *pDstPic, const SSourcePicture *kpSrc, const int32_t kiWidth, const int32_t kiHeight );
void WelsMoveMemoryWrapper(SWelsSvcCodingParam * pSvcParam, SPicture *pDstPic, const SSourcePicture *kpSrc, const int32_t kiWidth, const int32_t kiHeight );
private:
Scaled_Picture m_sScaledPicture;
SPicture *m_pLastSpatialPicture[MAX_DEPENDENCY_LAYER][2];
IWelsVP *m_pInterfaceVp;
CWelsLib *m_pEncLib;
void *m_pEncCtx;
bool_t m_bInitDone;
bool_t m_bOfficialBranch;
};
}
#endif