/*!

 * \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        :  WelsFrameWork.h

 *

 * \brief       :  framework of wels video processor class

 *

 * \date        :  2011/01/04

 *

 * \description :

 *

 *************************************************************************************

 */

#ifndef WELSVP_WELSFRAMEWORK_H

#define WELSVP_WELSFRAMEWORK_H

#include "IWelsVP.h"

#include "util.h"

#include "WelsThreadLib.h"

WELSVP_NAMESPACE_BEGIN

EResult CreateSpecificVpInterface (IWelsVP** ppCtx);

EResult DestroySpecificVpInterface (IWelsVP* pCtx);

EResult CreateSpecificVpInterface (IWelsVPc** ppCtx);

EResult DestroySpecificVpInterface (IWelsVPc* pCtx);

#define MAX_STRATEGY_NUM (METHOD_MASK - 1)

class IStrategy : public IWelsVP {

 public:

  IStrategy() {

    m_eMethod  = METHOD_NULL;

    m_eFormat  = VIDEO_FORMAT_I420;

    m_iIndex   = 0;

    m_bInit    = false;

  }

  virtual ~IStrategy() {}

 public:

  virtual EResult Init (int32_t iType, void* pCfg)  {

    return RET_SUCCESS;

  }

  virtual EResult Uninit (int32_t iType)              {

    return RET_SUCCESS;

  }

  virtual EResult Flush (int32_t iType)               {

    return RET_SUCCESS;

  }

  virtual EResult Get (int32_t iType, void* pParam) {

    return RET_SUCCESS;

  }

  virtual EResult Set (int32_t iType, void* pParam) {

    return RET_SUCCESS;

  }

  virtual EResult SpecialFeature (int32_t iType, void* pIn, void* pOut) {

    return RET_SUCCESS;

  }

  virtual EResult Process (int32_t iType, SPixMap* pSrc, SPixMap* pDst) = 0;

 public:

  EMethods       m_eMethod;

  EVideoFormat m_eFormat;

  int32_t           m_iIndex;

  bool            m_bInit;

};

class CVpFrameWork : public IWelsVP {

 public:

  CVpFrameWork (uint32_t uiThreadsNum, EResult& ret);

  ~CVpFrameWork();

 public:

  EResult Init (int32_t iType, void* pCfg);

  EResult Uninit (int32_t iType);

  EResult Flush (int32_t iType);

  EResult Process (int32_t iType, SPixMap* pSrc, SPixMap* pDst);

  EResult Get (int32_t iType, void* pParam);

  EResult Set (int32_t iType, void* pParam);

  EResult SpecialFeature (int32_t iType, void* pIn, void* pOut);

 private:

  bool  CheckValid (EMethods eMethod, SPixMap& sSrc, SPixMap& sDst);

  IStrategy* CreateStrategy (EMethods eMethod, int32_t iCpuFlag);

 private:

  IStrategy* m_pStgChain[MAX_STRATEGY_NUM];

  WELS_MUTEX m_mutes;

};

WELSVP_NAMESPACE_END

#endif