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Src/external_dependencies/openmpt-trunk/soundlib/MIDIEvents.cpp
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263
Src/external_dependencies/openmpt-trunk/soundlib/MIDIEvents.cpp
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/*
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* MIDIEvents.cpp
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* --------------
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* Purpose: MIDI event handling, event lists, ...
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* Notes : (currently none)
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* Authors: OpenMPT Devs
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* The OpenMPT source code is released under the BSD license. Read LICENSE for more details.
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*/
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#include "stdafx.h"
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#include "MIDIEvents.h"
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OPENMPT_NAMESPACE_BEGIN
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namespace MIDIEvents
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{
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// Build a generic MIDI event
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uint32 Event(EventType eventType, uint8 midiChannel, uint8 dataByte1, uint8 dataByte2)
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{
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return (eventType << 4) | (midiChannel & 0x0F) | (dataByte1 << 8) | (dataByte2 << 16);
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}
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// Build a MIDI CC event
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uint32 CC(MidiCC midiCC, uint8 midiChannel, uint8 param)
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{
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return Event(evControllerChange, midiChannel, static_cast<uint8>(midiCC), param);
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}
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// Build a MIDI Pitchbend event
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uint32 PitchBend(uint8 midiChannel, uint16 bendAmount)
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{
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return Event(evPitchBend, midiChannel, static_cast<uint8>(bendAmount & 0x7F), static_cast<uint8>(bendAmount >> 7));
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}
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// Build a MIDI Program Change event
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uint32 ProgramChange(uint8 midiChannel, uint8 program)
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{
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return Event(evProgramChange, midiChannel, program, 0);
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}
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// Build a MIDI Note Off event
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uint32 NoteOff(uint8 midiChannel, uint8 note, uint8 velocity)
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{
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return Event(evNoteOff, midiChannel, note, velocity);
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}
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// Build a MIDI Note On event
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uint32 NoteOn(uint8 midiChannel, uint8 note, uint8 velocity)
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{
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return Event(evNoteOn, midiChannel, note, velocity);
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}
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// Build a MIDI System Event
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uint8 System(SystemEvent eventType)
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{
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return static_cast<uint8>((evSystem << 4) | eventType);
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}
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// Get MIDI channel from a MIDI event
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uint8 GetChannelFromEvent(uint32 midiMsg)
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{
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return static_cast<uint8>((midiMsg & 0xF));
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}
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// Get MIDI Event type from a MIDI event
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EventType GetTypeFromEvent(uint32 midiMsg)
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{
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return static_cast<EventType>(((midiMsg >> 4) & 0xF));
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}
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// Get first data byte from a MIDI event
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uint8 GetDataByte1FromEvent(uint32 midiMsg)
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{
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return static_cast<uint8>(((midiMsg >> 8) & 0xFF));
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}
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// Get second data byte from a MIDI event
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uint8 GetDataByte2FromEvent(uint32 midiMsg)
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{
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return static_cast<uint8>(((midiMsg >> 16) & 0xFF));
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}
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// Get the length of a MIDI event in bytes
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uint8 GetEventLength(uint8 firstByte)
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{
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uint8 msgSize = 3;
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switch(firstByte & 0xF0)
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{
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case 0xC0:
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case 0xD0:
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msgSize = 2;
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break;
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case 0xF0:
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switch(firstByte)
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{
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case 0xF1:
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case 0xF3:
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msgSize = 2;
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break;
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case 0xF2:
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msgSize = 3;
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break;
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default:
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msgSize = 1;
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break;
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}
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break;
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}
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return msgSize;
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}
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// MIDI CC Names
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const char* const MidiCCNames[MIDICC_end + 1] =
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{
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"BankSelect [Coarse]", //0
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"ModulationWheel [Coarse]", //1
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"Breathcontroller [Coarse]", //2
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"", //3
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"FootPedal [Coarse]", //4
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"PortamentoTime [Coarse]", //5
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"DataEntry [Coarse]", //6
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"Volume [Coarse]", //7
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"Balance [Coarse]", //8
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"", //9
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"Panposition [Coarse]", //10
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"Expression [Coarse]", //11
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"EffectControl1 [Coarse]", //12
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"EffectControl2 [Coarse]", //13
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"", //14
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"", //15
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"GeneralPurposeSlider1", //16
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"GeneralPurposeSlider2", //17
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"GeneralPurposeSlider3", //18
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"GeneralPurposeSlider4", //19
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"", //20
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"", //21
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"", //22
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"", //23
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"", //24
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"", //25
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"", //26
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"", //27
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"", //28
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"", //29
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"", //30
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"", //31
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"BankSelect [Fine]", //32
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"ModulationWheel [Fine]", //33
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"Breathcontroller [Fine]", //34
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"", //35
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"FootPedal [Fine]", //36
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"PortamentoTime [Fine]", //37
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"DataEntry [Fine]", //38
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"Volume [Fine]", //39
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"Balance [Fine]", //40
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"", //41
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"Panposition [Fine]", //42
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"Expression [Fine]", //43
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"EffectControl1 [Fine]", //44
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"EffectControl2 [Fine]", //45
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"", //46
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"", //47
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"", //48
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"", //49
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"", //50
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"", //51
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"", //52
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"", //53
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"", //54
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"", //55
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"", //56
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"", //57
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"", //58
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"", //59
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"", //60
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"", //61
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"", //62
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"", //63
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"HoldPedal [OnOff]", //64
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"Portamento [OnOff]", //65
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"SustenutoPedal [OnOff]", //66
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"SoftPedal [OnOff]", //67
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"LegatoPedal [OnOff]", //68
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"Hold2Pedal [OnOff]", //69
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"SoundVariation", //70
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"SoundTimbre", //71
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"SoundReleaseTime", //72
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"SoundAttackTime", //73
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"SoundBrightness", //74
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"SoundControl6", //75
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"SoundControl7", //76
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"SoundControl8", //77
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"SoundControl9", //78
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"SoundControl10", //79
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"GeneralPurposeButton1 [OnOff]",//80
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"GeneralPurposeButton2 [OnOff]",//81
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"GeneralPurposeButton3 [OnOff]",//82
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"GeneralPurposeButton4 [OnOff]",//83
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"", //84
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"", //85
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"", //86
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"", //87
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"", //88
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"", //89
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"", //90
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"EffectsLevel", //91
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"TremoloLevel", //92
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"ChorusLevel", //93
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"CelesteLevel", //94
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"PhaserLevel", //95
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"DataButtonIncrement", //96
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"DataButtonDecrement", //97
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"NonRegisteredParameter [Fine]",//98
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"NonRegisteredParameter [Coarse]",//99
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"RegisteredParameter [Fine]", //100
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"RegisteredParameter [Coarse]", //101
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"", //102
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"", //103
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"", //104
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"", //105
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"", //106
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"", //107
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"", //108
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"", //109
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"", //110
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"", //111
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"", //112
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"", //113
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"", //114
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"", //115
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"", //116
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"", //117
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"", //118
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"", //119
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"AllSoundOff", //120
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"AllControllersOff", //121
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"LocalKeyboard [OnOff]", //122
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"AllNotesOff", //123
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"OmniModeOff", //124
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"OmniModeOn", //125
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"MonoOperation", //126
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"PolyOperation", //127
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};
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} // End namespace
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OPENMPT_NAMESPACE_END
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