svapp
1.9
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00001 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ 00002 00003 /* 00004 Sonic Visualiser 00005 An audio file viewer and annotation editor. 00006 Centre for Digital Music, Queen Mary, University of London. 00007 This file copyright 2006 Chris Cannam. 00008 00009 This program is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU General Public License as 00011 published by the Free Software Foundation; either version 2 of the 00012 License, or (at your option) any later version. See the file 00013 COPYING included with this distribution for more information. 00014 */ 00015 00016 #ifndef _AUDIO_TARGET_FACTORY_H_ 00017 #define _AUDIO_TARGET_FACTORY_H_ 00018 00019 #include <vector> 00020 #include <QString> 00021 00022 #include "base/Debug.h" 00023 00024 class AudioCallbackPlaySource; 00025 class AudioCallbackPlayTarget; 00026 00027 class AudioTargetFactory 00028 { 00029 public: 00030 static AudioTargetFactory *getInstance(); 00031 00032 std::vector<QString> getCallbackTargetNames(bool includeAuto = true) const; 00033 QString getCallbackTargetDescription(QString name) const; 00034 QString getDefaultCallbackTarget() const; 00035 bool isAutoCallbackTarget(QString name) const; 00036 void setDefaultCallbackTarget(QString name); 00037 00038 AudioCallbackPlayTarget *createCallbackTarget(AudioCallbackPlaySource *); 00039 00040 protected: 00041 AudioTargetFactory(); 00042 static AudioTargetFactory *m_instance; 00043 QString m_default; 00044 }; 00045 00046 #endif 00047