OpenShot Audio Library | OpenShotAudio 0.4.0

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juce_MidiMessageCollector.h
1/*
2 ==============================================================================
3
4 This file is part of the JUCE library.
5 Copyright (c) 2022 - Raw Material Software Limited
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 MidiKeyboardState::Listener,
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
89 void ensureStorageAllocated (size_t bytes);
90
91
92 //==============================================================================
94 void handleNoteOn (MidiKeyboardState*, int midiChannel, int midiNoteNumber, float velocity) override;
96 void handleNoteOff (MidiKeyboardState*, int midiChannel, int midiNoteNumber, float velocity) override;
98 void handleIncomingMidiMessage (MidiInput*, const MidiMessage&) override;
99
100 private:
101 //==============================================================================
102 double lastCallbackTime = 0;
103 CriticalSection midiCallbackLock;
104 MidiBuffer incomingMessages;
105 double sampleRate = 44100.0;
106 #if JUCE_DEBUG
107 bool hasCalledReset = false;
108 #endif
109
110 JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (MidiMessageCollector)
111};
112
113} // namespace juce
juce::CriticalSection
Definition juce_CriticalSection.h:43
juce::MidiBuffer
Definition juce_MidiBuffer.h:145
juce::MidiInputCallback
Definition juce_MidiDevices.h:277
juce::MidiInput
Definition juce_MidiDevices.h:164
juce::MidiKeyboardState::Listener
Definition juce_MidiKeyboardState.h:139
juce::MidiKeyboardState
Definition juce_MidiKeyboardState.h:42
juce::MidiMessageCollector
Definition juce_MidiMessageCollector.h:40
juce::MidiMessage
Definition juce_MidiMessage.h:35