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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
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8 This program is free software; you can redistribute it and/or
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9 modify it under the terms of the GNU General Public License as
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10 published by the Free Software Foundation; either version 2 of the
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11 License, or (at your option) any later version. See the file
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12 COPYING included with this distribution for more information.
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13 */
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14
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15 /*
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16 This is a modified version of a source file from the
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17 Rosegarden MIDI and audio sequencer and notation editor.
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18 This file copyright 2000-2006 Chris Cannam and QMUL.
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19 */
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20
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21 #ifndef _OSC_QUEUE_H_
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22 #define _OSC_QUEUE_H_
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23
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24 #include "OSCMessage.h"
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25
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26 #include "base/RingBuffer.h"
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27
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28 #include <QObject>
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29
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30 #ifdef HAVE_LIBLO
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31 #include <lo/lo.h>
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32 #endif
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33
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34 class OSCQueue : public QObject
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35 {
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36 Q_OBJECT
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37
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38 public:
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39 OSCQueue();
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40 virtual ~OSCQueue();
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41
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42 bool isOK() const;
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43
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44 bool isEmpty() const { return getMessagesAvailable() == 0; }
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45 size_t getMessagesAvailable() const;
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46 OSCMessage readMessage();
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47
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48 QString getOSCURL() const;
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49
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50 signals:
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51 void messagesAvailable();
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52
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53 protected:
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54 #ifdef HAVE_LIBLO
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55 lo_server_thread m_thread;
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56
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57 static void oscError(int, const char *, const char *);
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58 static int oscMessageHandler(const char *, const char *, lo_arg **,
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59 int, lo_message, void *);
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60 #endif
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61
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62 void postMessage(OSCMessage);
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63 bool parseOSCPath(QString path, int &target, int &targetData, QString &method);
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64
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65 RingBuffer<OSCMessage *> m_buffer;
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66 };
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67
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68 #endif
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69
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