async_queue.hpp
资源名称:vlc-1.0.5.zip [点击查看]
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上传日期:2020-07-06
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文件大小:2k
源码类别:
midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * async_queue.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: abd246ce0a7c7a414fc746a1ac1745ae0a14f6b2 $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teulière <ipkiss@via.ecp.fr>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef ASYNC_QUEUE_HPP
- #define ASYNC_QUEUE_HPP
- #include "cmd_generic.hpp"
- #include <list>
- #include <string>
- class OSTimer;
- /// Asynchronous queue for commands
- class AsyncQueue: public SkinObject
- {
- public:
- /// Get the instance of AsyncQueue
- /// Returns NULL if initialization failed.
- static AsyncQueue *instance( intf_thread_t *pIntf );
- /// Destroy the instance of AsyncQueue
- static void destroy( intf_thread_t *pIntf );
- /// Add a command in the queue, after having removed the commands
- /// of the same type already in the queue if needed
- void push( const CmdGenericPtr &rcCommand, bool removePrev = true );
- /// Remove the commands of the given type
- void remove( const string &rType , const CmdGenericPtr &rcCommand );
- /// Flush the queue and execute the commands
- void flush();
- private:
- /// Command queue
- list<CmdGenericPtr> m_cmdList;
- /// Timer
- OSTimer *m_pTimer;
- /// Mutex
- vlc_mutex_t m_lock;
- // Private because it is a singleton
- AsyncQueue( intf_thread_t *pIntf );
- virtual ~AsyncQueue();
- // Callback to flush the queue
- DEFINE_CALLBACK( AsyncQueue, Flush );
- };
- #endif