shithub: openh264

ref: 99faf1ec4a47c5362a6bde552d6097166e2fda16
dir: /processing/src/common/WelsFrameWork.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	    :  WelsFrameWork.h
 *
 * \brief	    :  framework of wels video processor class
 *
 * \date        :  2011/01/04
 *
 * \description :  
 *
 *************************************************************************************
 */

#ifndef _WELSVP_WELSFRAMEWORK_H
#define _WELSVP_WELSFRAMEWORK_H

#include "../../interface/IWelsVP.h"
#include "util.h"
#include "thread.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_t            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_t  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