OpenShot Audio Library | OpenShotAudio  0.3.3
juce_MidiRPN.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 //==============================================================================
33 {
35  int channel;
36 
39 
44  int value;
45 
47  bool isNRPN;
48 
53 };
54 
55 //==============================================================================
67 class JUCE_API MidiRPNDetector
68 {
69 public:
71  MidiRPNDetector() noexcept;
72 
74  ~MidiRPNDetector() noexcept;
75 
79  void reset() noexcept;
80 
81  //==============================================================================
89  bool parseControllerMessage (int midiChannel,
90  int controllerNumber,
91  int controllerValue,
92  MidiRPNMessage& result) noexcept;
93 
94 private:
95  //==============================================================================
96  struct ChannelState
97  {
98  ChannelState() noexcept;
99  bool handleController (int channel, int controllerNumber,
100  int value, MidiRPNMessage&) noexcept;
101  void resetValue() noexcept;
102  bool sendIfReady (int channel, MidiRPNMessage&) noexcept;
103 
104  uint8 parameterMSB, parameterLSB, valueMSB, valueLSB;
105  bool isNRPN;
106  };
107 
108  //==============================================================================
109  ChannelState states[16];
110 
111  JUCE_LEAK_DETECTOR (MidiRPNDetector)
112 };
113 
114 //==============================================================================
123 class JUCE_API MidiRPNGenerator
124 {
125 public:
126  //==============================================================================
128  static MidiBuffer generate (MidiRPNMessage message);
129 
130  //==============================================================================
147  static MidiBuffer generate (int channel,
148  int parameterNumber,
149  int value,
150  bool isNRPN = false,
151  bool use14BitValue = true);
152 };
153 
154 } // namespace juce