ref: b5792a09f9c80c0f0bf3a6faacd8883c086817e6
dir: /codec/encoder/core/inc/wels_task_management.h/
/*!
* \copy
* Copyright (c) 2009-2015, 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_task_management.h
*
* \brief interface for task management
*
* \date 5/14/2012 Created
*
*************************************************************************************
*/
#ifndef _WELS_ENCODER_TASK_MANAGE_H_
#define _WELS_ENCODER_TASK_MANAGE_H_
#include "wels_common_basis.h"
#include "WelsLock.h"
#include "WelsThreadPool.h"
namespace WelsEnc {
class CWelsBaseTask;
class IWelsTaskManage {
public:
virtual ~IWelsTaskManage() { }
virtual WelsErrorType Init (sWelsEncCtx* pEncCtx) = 0;
virtual void Uninit() = 0;
virtual void InitFrame (const int32_t kiCurDid) {}
virtual WelsErrorType ExecuteTasks() = 0;
static IWelsTaskManage* CreateTaskManage (sWelsEncCtx* pCtx, bool bNeedLock);
};
class CWelsTaskManageBase : public IWelsTaskManage, public WelsCommon::IWelsThreadPoolSink {
public:
typedef CWelsCircleQueue<CWelsBaseTask> TASKLIST_TYPE;
//typedef std::pair<int, int> SLICE_BOUNDARY_PAIR;
//typedef CWelsCircleQueue<SLICE_BOUNDARY_PAIR> SLICE_PAIR_LIST;
CWelsTaskManageBase();
virtual ~ CWelsTaskManageBase();
virtual WelsErrorType Init (sWelsEncCtx* pEncCtx);
void Uninit();
virtual void InitFrame (const int32_t kiCurDid);
virtual WelsErrorType ExecuteTasks();
//IWelsThreadPoolSink
virtual WelsErrorType OnTaskExecuted (WelsCommon::IWelsTask* pTask);
virtual WelsErrorType OnTaskCancelled (WelsCommon::IWelsTask* pTask);
protected:
virtual WelsErrorType CreateTasks (sWelsEncCtx* pEncCtx, const int32_t kiTaskCount);
void DestroyTasks();
protected:
sWelsEncCtx* m_pEncCtx;
WelsCommon::CWelsThreadPool* m_pThreadPool;
TASKLIST_TYPE* m_cTaskList;
int32_t m_iTaskNum;
//SLICE_PAIR_LIST *m_cSliceList;
int32_t m_iThreadNum;
int32_t m_iWaitTaskNum;
WELS_EVENT m_hTaskEvent;
WelsCommon::CWelsLock m_cWaitTaskNumLock;
private:
DISALLOW_COPY_AND_ASSIGN (CWelsTaskManageBase);
void OnTaskMinusOne();
};
class CWelsTaskManageOne : public CWelsTaskManageBase {
public:
CWelsTaskManageOne();
virtual ~CWelsTaskManageOne();
WelsErrorType Init (sWelsEncCtx* pEncCtx);
virtual WelsErrorType ExecuteTasks();
};
class CWelsTaskManageParallel : public CWelsTaskManageBase {
public:
virtual WelsErrorType ExecuteTasks();
protected:
virtual WelsErrorType CreateTasks (sWelsEncCtx* pEncCtx, const int32_t kiTaskCount);
};
} //namespace
#endif //header guard