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juce_UMPConverters.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#ifndef DOXYGEN
24
25 namespace juce::universal_midi_packets
26{
33 struct ToUMP1Converter
34 {
35 template <typename Fn>
36 void convert (const BytestreamMidiView& m, Fn&& fn)
37 {
38 Conversion::toMidi1 (m, std::forward<Fn> (fn));
39 }
40
41 template <typename Fn>
42 void convert (const View& v, Fn&& fn)
43 {
44 Conversion::midi2ToMidi1DefaultTranslation (v, std::forward<Fn> (fn));
45 }
46 };
47
54 struct ToUMP2Converter
55 {
56 template <typename Fn>
57 void convert (const BytestreamMidiView& m, Fn&& fn)
58 {
59 Conversion::toMidi1 (m, [&] (const View& v)
60 {
61 translator.dispatch (v, fn);
62 });
63 }
64
65 template <typename Fn>
66 void convert (const View& v, Fn&& fn)
67 {
68 translator.dispatch (v, std::forward<Fn> (fn));
69 }
70
71 void reset()
72 {
73 translator.reset();
74 }
75
76 Midi1ToMidi2DefaultTranslator translator;
77 };
78
87 class GenericUMPConverter
88 {
89 template <typename This, typename... Args>
90 static void visit (This& t, Args&&... args)
91 {
92 if (t.mode == PacketProtocol::MIDI_1_0)
93 convertImpl (std::get<0> (t.converters), std::forward<Args> (args)...);
94 else
95 convertImpl (std::get<1> (t.converters), std::forward<Args> (args)...);
96 }
97
98 public:
99 explicit GenericUMPConverter (PacketProtocol m)
100 : mode (m) {}
101
102 void reset()
103 {
104 std::get<1> (converters).reset();
105 }
106
107 template <typename Converter, typename Fn>
108 static void convertImpl (Converter& converter, const BytestreamMidiView& m, Fn&& fn)
109 {
110 converter.convert (m, std::forward<Fn> (fn));
111 }
112
113 template <typename Converter, typename Fn>
114 static void convertImpl (Converter& converter, const View& m, Fn&& fn)
115 {
116 converter.convert (m, std::forward<Fn> (fn));
117 }
118
119 template <typename Converter, typename Fn>
120 static void convertImpl (Converter& converter, Iterator b, Iterator e, Fn&& fn)
121 {
122 std::for_each (b, e, [&] (const auto& v)
123 {
124 convertImpl (converter, v, fn);
125 });
126 }
127
128 template <typename Fn>
129 void convert (const BytestreamMidiView& m, Fn&& fn)
130 {
131 visit (*this, m, std::forward<Fn> (fn));
132 }
133
134 template <typename Fn>
135 void convert (const View& v, Fn&& fn)
136 {
137 visit (*this, v, std::forward<Fn> (fn));
138 }
139
140 template <typename Fn>
141 void convert (Iterator begin, Iterator end, Fn&& fn)
142 {
143 visit (*this, begin, end, std::forward<Fn> (fn));
144 }
145
146 PacketProtocol getProtocol() const noexcept { return mode; }
147
148 private:
149 std::tuple<ToUMP1Converter, ToUMP2Converter> converters;
150 const PacketProtocol mode{};
151 };
152
159 struct ToBytestreamConverter
160 {
161 explicit ToBytestreamConverter (int storageSize)
162 : translator (storageSize) {}
163
164 template <typename Fn>
165 void convert (const MidiMessage& m, Fn&& fn)
166 {
167 fn (m);
168 }
169
170 template <typename Fn>
171 void convert (const View& v, double time, Fn&& fn)
172 {
173 Conversion::midi2ToMidi1DefaultTranslation (v, [&] (const View& midi1)
174 {
175 translator.dispatch (midi1, time, fn);
176 });
177 }
178
179 void reset() { translator.reset(); }
180
181 Midi1ToBytestreamTranslator translator;
182 };
183} // namespace juce::universal_midi_packets
184
185#endif
juce::MidiMessage
Definition juce_MidiMessage.h:35
juce::universal_midi_packets::GenericUMPConverter
Definition juce_UMPConverters.h:88
juce::universal_midi_packets::Iterator
Definition juce_UMPIterator.h:38
juce::universal_midi_packets::Midi1ToBytestreamTranslator
Definition juce_UMPMidi1ToBytestreamTranslator.h:35
juce::universal_midi_packets::Midi1ToBytestreamTranslator::dispatch
void dispatch(const View &packet, double time, MessageCallback &&callback)
Definition juce_UMPMidi1ToBytestreamTranslator.h:61
juce::universal_midi_packets::Midi1ToBytestreamTranslator::reset
void reset()
Definition juce_UMPMidi1ToBytestreamTranslator.h:46
juce::universal_midi_packets::Midi1ToMidi2DefaultTranslator
Definition juce_UMPMidi1ToMidi2DefaultTranslator.h:35
juce::universal_midi_packets::Midi1ToMidi2DefaultTranslator::dispatch
void dispatch(const View &v, PacketCallback &&callback)
Definition juce_UMPMidi1ToMidi2DefaultTranslator.h:49
juce::universal_midi_packets::View
Definition juce_UMPView.h:44
juce::universal_midi_packets::BytestreamMidiView
Definition juce_UMPConversion.h:33
juce::universal_midi_packets::Conversion::midi2ToMidi1DefaultTranslation
static void midi2ToMidi1DefaultTranslation(const View &v, Callback &&callback)
Definition juce_UMPConversion.h:216
juce::universal_midi_packets::Conversion::toMidi1
static void toMidi1(const BytestreamMidiView &m, PacketCallbackFunction &&callback)
Definition juce_UMPConversion.h:79
juce::universal_midi_packets::ToBytestreamConverter
Definition juce_UMPConverters.h:160
juce::universal_midi_packets::ToUMP1Converter
Definition juce_UMPConverters.h:34
juce::universal_midi_packets::ToUMP2Converter
Definition juce_UMPConverters.h:55