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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_JACK_TARGET_H_
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17 #define _AUDIO_JACK_TARGET_H_
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18
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19 #ifdef HAVE_JACK
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20
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21 #include <jack/jack.h>
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22 #include <vector>
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23
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24 #include "AudioCallbackPlayTarget.h"
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25
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26 #include <QMutex>
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27
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28 class AudioCallbackPlaySource;
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29
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30 class AudioJACKTarget : public AudioCallbackPlayTarget
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31 {
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32 Q_OBJECT
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33
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34 public:
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35 AudioJACKTarget(AudioCallbackPlaySource *source);
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36 virtual ~AudioJACKTarget();
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37
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38 virtual bool isOK() const;
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39
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40 public slots:
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41 virtual void sourceModelReplaced();
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42
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43 protected:
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44 int process(jack_nframes_t nframes);
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45
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46 static int processStatic(jack_nframes_t, void *);
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47
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48 jack_client_t *m_client;
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49 std::vector<jack_port_t *> m_outputs;
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50 jack_nframes_t m_bufferSize;
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51 jack_nframes_t m_sampleRate;
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52 QMutex m_mutex;
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53 };
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54
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55 #endif /* HAVE_JACK */
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56
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57 #endif
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58
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