ref: 0f9c2dbb12742ea0bfc493156ae6454227878ebb
dir: /codec/processing/src/backgrounddetection/BackgroundDetection.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 : BackgroundDetection.h * * \brief : background detection class of wels video processor class * * \date : 2011/03/17 * * \description : 1. rewrite the package code of background detection class * */ #ifndef WELSVP_BACKGROUNDDETECTION_H #define WELSVP_BACKGROUNDDETECTION_H #include "util.h" #include "memory.h" #include "WelsFrameWork.h" #include "IWelsVP.h" WELSVP_NAMESPACE_BEGIN typedef struct { int32_t iBackgroundFlag; int32_t iSAD; int32_t iSD; int32_t iMAD; int32_t iMinSubMad; int32_t iMaxDiffSubSd; } SBackgroundOU; class CBackgroundDetection : public IStrategy { public: CBackgroundDetection (int32_t iCpuFlag); ~CBackgroundDetection(); EResult Process (int32_t iType, SPixMap* pSrc, SPixMap* pRef); EResult Set (int32_t iType, void* pParam); private: struct vBGDParam { uint8_t* pCur[3]; uint8_t* pRef[3]; int32_t iBgdWidth; int32_t iBgdHeight; int32_t iStride[3]; SBackgroundOU* pOU_array; int8_t* pBackgroundMbFlag; SVAACalcResult* pCalcRes; } m_BgdParam; int32_t m_iLargestFrameSize; private: inline SBackgroundOU* AllocateOUArrayMemory (int32_t iWidth, int32_t iHeight); inline void FreeOUArrayMemory(); inline int32_t CalculateAsdChromaEdge (uint8_t* pOriRef, uint8_t* pOriCur, int32_t iStride); inline bool ForegroundDilation23Luma (SBackgroundOU* pBackgroundOU, SBackgroundOU* pOUNeighbours[]); //Foreground_Dilation_2_3_Luma inline bool ForegroundDilation23Chroma (int8_t iNeighbourForegroundFlags, int32_t iStartSamplePos, int32_t iPicStrideUV, vBGDParam* pBgdParam);//Foreground_Dilation_2_3_Chroma inline void ForegroundDilation (SBackgroundOU* pBackgroundOU, SBackgroundOU* pOUNeighbours[], vBGDParam* pBgdParam, int32_t iChromaSampleStartPos); inline void BackgroundErosion (SBackgroundOU* pBackgroundOU, SBackgroundOU* pOUNeighbours[]); inline void SetBackgroundMbFlag (int8_t* pBackgroundMbFlag, int32_t iPicWidthInMb, int32_t iBackgroundMbFlag); inline void UpperOUForegroundCheck (SBackgroundOU* pCurOU, int8_t* pBackgroundMbFlag, int32_t iPicWidthInOU, int32_t iPicWidthInMb); void GetOUParameters (SVAACalcResult* sVaaCalcInfo, int32_t iMbIndex, int32_t iMbWidth, SBackgroundOU* pBackgroundOU); void ForegroundBackgroundDivision (vBGDParam* pBgdParam); void ForegroundDilationAndBackgroundErosion (vBGDParam* pBgdParam); void BackgroundDetection (vBGDParam* pBgdParam); }; WELSVP_NAMESPACE_END #endif