1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
2 
3 /*
4     Sonic Visualiser
5     An audio file viewer and annotation editor.
6     Centre for Digital Music, Queen Mary, University of London.
7 
8     This program is free software; you can redistribute it and/or
9     modify it under the terms of the GNU General Public License as
10     published by the Free Software Foundation; either version 2 of the
11     License, or (at your option) any later version.  See the file
12     COPYING included with this distribution for more information.
13 */
14 
15 /*
16    This is a modified version of a source file from the
17    Rosegarden MIDI and audio sequencer and notation editor.
18    This file copyright 2000-2006 Chris Cannam and QMUL.
19 */
20 
21 #ifndef SV_OSC_QUEUE_H
22 #define SV_OSC_QUEUE_H
23 
24 #include "OSCMessage.h"
25 
26 #include "base/RingBuffer.h"
27 
28 #include <QObject>
29 
30 #ifdef HAVE_LIBLO
31 #include <lo/lo.h>
32 #endif
33 
34 class OSCQueue : public QObject
35 {
36     Q_OBJECT
37 
38 public:
39     OSCQueue(bool withNetworkPort);
40     virtual ~OSCQueue();
41 
42     bool isOK() const;
43 
44     bool isEmpty() const { return getMessagesAvailable() == 0; }
45     int getMessagesAvailable() const;
46     void postMessage(OSCMessage);
47     OSCMessage readMessage();
48 
49     QString getOSCURL() const;
50 
51     bool hasPort() const { return m_withPort; }
52 
53 signals:
54     void messagesAvailable();
55 
56 protected:
57 #ifdef HAVE_LIBLO
58     lo_server_thread m_thread;
59 
60     static void oscError(int, const char *, const char *);
61     static int oscMessageHandler(const char *, const char *, lo_arg **,
62                                  int, lo_message, void *);
63 #endif
64 
65     bool parseOSCPath(QString path, int &target, int &targetData, QString &method);
66 
67     bool m_withPort;
68     RingBuffer<OSCMessage *> m_buffer;
69 };
70 
71 #endif
72 
73