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1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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2
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3 /*
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4 Sonic Visualiser
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5 An audio file viewer and annotation editor.
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6 Centre for Digital Music, Queen Mary, University of London.
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7 This file copyright 2006 Chris Cannam.
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8
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9 This program is free software; you can redistribute it and/or
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10 modify it under the terms of the GNU General Public License as
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11 published by the Free Software Foundation; either version 2 of the
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12 License, or (at your option) any later version. See the file
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13 COPYING included with this distribution for more information.
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14 */
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15
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16 #ifndef _AUDIO_TARGET_FACTORY_H_
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17 #define _AUDIO_TARGET_FACTORY_H_
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18
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19 #include <vector>
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20 #include <QString>
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21
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22 class AudioCallbackPlaySource;
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23 class AudioCallbackPlayTarget;
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24
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25 class AudioTargetFactory
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26 {
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27 public:
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28 static AudioTargetFactory *getInstance();
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29
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30 std::vector<QString> getCallbackTargetNames(bool includeAuto = true) const;
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31 QString getCallbackTargetDescription(QString name) const;
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32 QString getDefaultCallbackTarget() const;
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33 bool isAutoCallbackTarget(QString name) const;
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34 void setDefaultCallbackTarget(QString name);
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35
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36 AudioCallbackPlayTarget *createCallbackTarget(AudioCallbackPlaySource *);
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37
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38 protected:
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39 AudioTargetFactory();
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40 static AudioTargetFactory *m_instance;
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41 QString m_default;
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42 };
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43
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44 #endif
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45
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