annotate data/midi/MIDIInput.h @ 1886:f803d3c33f76 tip

Switch off copious debug in soft synth driving
author Chris Cannam
date Fri, 14 Aug 2020 10:44:44 +0100
parents ad5f892c0c4d
children
rev   line source
Chris@559 1 /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
Chris@559 2
Chris@559 3 /*
Chris@559 4 Sonic Visualiser
Chris@559 5 An audio file viewer and annotation editor.
Chris@559 6 Centre for Digital Music, Queen Mary, University of London.
Chris@559 7 This file copyright 2006-2009 Chris Cannam and QMUL.
Chris@559 8
Chris@559 9 This program is free software; you can redistribute it and/or
Chris@559 10 modify it under the terms of the GNU General Public License as
Chris@559 11 published by the Free Software Foundation; either version 2 of the
Chris@559 12 License, or (at your option) any later version. See the file
Chris@559 13 COPYING included with this distribution for more information.
Chris@559 14 */
Chris@559 15
Chris@1581 16 #ifndef SV_MIDI_INPUT_H
Chris@1581 17 #define SV_MIDI_INPUT_H
Chris@559 18
Chris@559 19 #include <QObject>
Chris@559 20 #include "MIDIEvent.h"
Chris@559 21
Chris@560 22 #include <vector>
Chris@560 23 #include "base/RingBuffer.h"
Chris@567 24 #include "base/FrameTimer.h"
Chris@560 25
Chris@561 26 class RtMidiIn;
Chris@559 27
Chris@559 28 class MIDIInput : public QObject
Chris@559 29 {
Chris@559 30 Q_OBJECT
Chris@559 31
Chris@559 32 public:
Chris@567 33 MIDIInput(QString name, FrameTimer *timer);
Chris@559 34 virtual ~MIDIInput();
Chris@559 35
Chris@561 36 bool isOK() const { return m_rtmidi != 0; }
Chris@559 37
Chris@559 38 bool isEmpty() const { return getEventsAvailable() == 0; }
Chris@929 39 int getEventsAvailable() const { return m_buffer.getReadSpace(); }
Chris@559 40 MIDIEvent readEvent();
Chris@559 41
Chris@559 42 signals:
Chris@559 43 void eventsAvailable();
Chris@559 44
Chris@559 45 protected:
Chris@561 46 RtMidiIn *m_rtmidi;
Chris@567 47 FrameTimer *m_frameTimer;
Chris@559 48
Chris@561 49 static void staticCallback(double, std::vector<unsigned char> *, void *);
Chris@559 50 void callback(double, std::vector<unsigned char> *);
Chris@559 51
Chris@559 52 void postEvent(MIDIEvent);
Chris@559 53 RingBuffer<MIDIEvent *> m_buffer;
Chris@559 54 };
Chris@559 55
Chris@559 56 #endif
Chris@559 57