/*! * \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 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