OpenShot Audio Library | OpenShotAudio 0.3.2

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juce_MidiMessageCollector.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2017 - ROLI Ltd.
6
7 JUCE is an open source library subject to commercial or open-source
8 licensing.
9
10 The code included in this file is provided under the terms of the ISC license
11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission
12 To use, copy, modify, and/or distribute this software for any purpose with or
13 without fee is hereby granted provided that the above copyright notice and
14 this permission notice appear in all copies.
15
16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
18 DISCLAIMED.
19
20 ==============================================================================
21*/
22
23 namespace juce
24{
25
26//==============================================================================
38 class JUCE_API MidiMessageCollector : public MidiKeyboardStateListener,
39 public MidiInputCallback
40{
41 public:
42 //==============================================================================
44 MidiMessageCollector();
45
47 ~MidiMessageCollector() override;
48
49 //==============================================================================
55 void reset (double sampleRate);
56
65 void addMessageToQueue (const MidiMessage& message);
66
81 void removeNextBlockOfMessages (MidiBuffer& destBuffer, int numSamples);
82
83
84 //==============================================================================
86 void handleNoteOn (MidiKeyboardState*, int midiChannel, int midiNoteNumber, float velocity) override;
88 void handleNoteOff (MidiKeyboardState*, int midiChannel, int midiNoteNumber, float velocity) override;
90 void handleIncomingMidiMessage (MidiInput*, const MidiMessage&) override;
91
92 private:
93 //==============================================================================
94 double lastCallbackTime = 0;
95 CriticalSection midiCallbackLock;
96 MidiBuffer incomingMessages;
97 double sampleRate = 44100.0;
98 #if JUCE_DEBUG
99 bool hasCalledReset = false;
100 #endif
101
102 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MidiMessageCollector)
103};
104
105} // namespace juce
juce::CriticalSection
Definition: juce_CriticalSection.h:43
juce::MidiBuffer
Definition: juce_MidiBuffer.h:43
juce::MidiInputCallback
Definition: juce_MidiDevices.h:189
juce::MidiInput
Definition: juce_MidiDevices.h:82
juce::MidiKeyboardStateListener
Definition: juce_MidiKeyboardState.h:38
juce::MidiKeyboardState
Definition: juce_MidiKeyboardState.h:87
juce::MidiMessageCollector
Definition: juce_MidiMessageCollector.h:40
juce::MidiMessage
Definition: juce_MidiMessage.h:35