diff options
Diffstat (limited to 'Src/external_dependencies/openmpt-trunk/soundlib/MIDIEvents.cpp')
| -rw-r--r-- | Src/external_dependencies/openmpt-trunk/soundlib/MIDIEvents.cpp | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/Src/external_dependencies/openmpt-trunk/soundlib/MIDIEvents.cpp b/Src/external_dependencies/openmpt-trunk/soundlib/MIDIEvents.cpp new file mode 100644 index 00000000..6ef8b819 --- /dev/null +++ b/Src/external_dependencies/openmpt-trunk/soundlib/MIDIEvents.cpp @@ -0,0 +1,263 @@ +/* + * MIDIEvents.cpp + * -------------- + * Purpose: MIDI event handling, event lists, ... + * Notes : (currently none) + * Authors: OpenMPT Devs + * The OpenMPT source code is released under the BSD license. Read LICENSE for more details. + */ + + +#include "stdafx.h" +#include "MIDIEvents.h" + +OPENMPT_NAMESPACE_BEGIN + +namespace MIDIEvents +{ + +// Build a generic MIDI event +uint32 Event(EventType eventType, uint8 midiChannel, uint8 dataByte1, uint8 dataByte2) +{ + return (eventType << 4) | (midiChannel & 0x0F) | (dataByte1 << 8) | (dataByte2 << 16); +} + + +// Build a MIDI CC event +uint32 CC(MidiCC midiCC, uint8 midiChannel, uint8 param) +{ + return Event(evControllerChange, midiChannel, static_cast<uint8>(midiCC), param); +} + + +// Build a MIDI Pitchbend event +uint32 PitchBend(uint8 midiChannel, uint16 bendAmount) +{ + return Event(evPitchBend, midiChannel, static_cast<uint8>(bendAmount & 0x7F), static_cast<uint8>(bendAmount >> 7)); +} + + +// Build a MIDI Program Change event +uint32 ProgramChange(uint8 midiChannel, uint8 program) +{ + return Event(evProgramChange, midiChannel, program, 0); +} + + +// Build a MIDI Note Off event +uint32 NoteOff(uint8 midiChannel, uint8 note, uint8 velocity) +{ + return Event(evNoteOff, midiChannel, note, velocity); +} + + +// Build a MIDI Note On event +uint32 NoteOn(uint8 midiChannel, uint8 note, uint8 velocity) +{ + return Event(evNoteOn, midiChannel, note, velocity); +} + + +// Build a MIDI System Event +uint8 System(SystemEvent eventType) +{ + return static_cast<uint8>((evSystem << 4) | eventType); +} + + +// Get MIDI channel from a MIDI event +uint8 GetChannelFromEvent(uint32 midiMsg) +{ + return static_cast<uint8>((midiMsg & 0xF)); +} + + +// Get MIDI Event type from a MIDI event +EventType GetTypeFromEvent(uint32 midiMsg) +{ + return static_cast<EventType>(((midiMsg >> 4) & 0xF)); +} + + +// Get first data byte from a MIDI event +uint8 GetDataByte1FromEvent(uint32 midiMsg) +{ + return static_cast<uint8>(((midiMsg >> 8) & 0xFF)); +} + + +// Get second data byte from a MIDI event +uint8 GetDataByte2FromEvent(uint32 midiMsg) +{ + return static_cast<uint8>(((midiMsg >> 16) & 0xFF)); +} + + +// Get the length of a MIDI event in bytes +uint8 GetEventLength(uint8 firstByte) +{ + uint8 msgSize = 3; + switch(firstByte & 0xF0) + { + case 0xC0: + case 0xD0: + msgSize = 2; + break; + case 0xF0: + switch(firstByte) + { + case 0xF1: + case 0xF3: + msgSize = 2; + break; + case 0xF2: + msgSize = 3; + break; + default: + msgSize = 1; + break; + } + break; + } + return msgSize; +} + + +// MIDI CC Names +const char* const MidiCCNames[MIDICC_end + 1] = +{ + "BankSelect [Coarse]", //0 + "ModulationWheel [Coarse]", //1 + "Breathcontroller [Coarse]", //2 + "", //3 + "FootPedal [Coarse]", //4 + "PortamentoTime [Coarse]", //5 + "DataEntry [Coarse]", //6 + "Volume [Coarse]", //7 + "Balance [Coarse]", //8 + "", //9 + "Panposition [Coarse]", //10 + "Expression [Coarse]", //11 + "EffectControl1 [Coarse]", //12 + "EffectControl2 [Coarse]", //13 + "", //14 + "", //15 + "GeneralPurposeSlider1", //16 + "GeneralPurposeSlider2", //17 + "GeneralPurposeSlider3", //18 + "GeneralPurposeSlider4", //19 + "", //20 + "", //21 + "", //22 + "", //23 + "", //24 + "", //25 + "", //26 + "", //27 + "", //28 + "", //29 + "", //30 + "", //31 + "BankSelect [Fine]", //32 + "ModulationWheel [Fine]", //33 + "Breathcontroller [Fine]", //34 + "", //35 + "FootPedal [Fine]", //36 + "PortamentoTime [Fine]", //37 + "DataEntry [Fine]", //38 + "Volume [Fine]", //39 + "Balance [Fine]", //40 + "", //41 + "Panposition [Fine]", //42 + "Expression [Fine]", //43 + "EffectControl1 [Fine]", //44 + "EffectControl2 [Fine]", //45 + "", //46 + "", //47 + "", //48 + "", //49 + "", //50 + "", //51 + "", //52 + "", //53 + "", //54 + "", //55 + "", //56 + "", //57 + "", //58 + "", //59 + "", //60 + "", //61 + "", //62 + "", //63 + "HoldPedal [OnOff]", //64 + "Portamento [OnOff]", //65 + "SustenutoPedal [OnOff]", //66 + "SoftPedal [OnOff]", //67 + "LegatoPedal [OnOff]", //68 + "Hold2Pedal [OnOff]", //69 + "SoundVariation", //70 + "SoundTimbre", //71 + "SoundReleaseTime", //72 + "SoundAttackTime", //73 + "SoundBrightness", //74 + "SoundControl6", //75 + "SoundControl7", //76 + "SoundControl8", //77 + "SoundControl9", //78 + "SoundControl10", //79 + "GeneralPurposeButton1 [OnOff]",//80 + "GeneralPurposeButton2 [OnOff]",//81 + "GeneralPurposeButton3 [OnOff]",//82 + "GeneralPurposeButton4 [OnOff]",//83 + "", //84 + "", //85 + "", //86 + "", //87 + "", //88 + "", //89 + "", //90 + "EffectsLevel", //91 + "TremoloLevel", //92 + "ChorusLevel", //93 + "CelesteLevel", //94 + "PhaserLevel", //95 + "DataButtonIncrement", //96 + "DataButtonDecrement", //97 + "NonRegisteredParameter [Fine]",//98 + "NonRegisteredParameter [Coarse]",//99 + "RegisteredParameter [Fine]", //100 + "RegisteredParameter [Coarse]", //101 + "", //102 + "", //103 + "", //104 + "", //105 + "", //106 + "", //107 + "", //108 + "", //109 + "", //110 + "", //111 + "", //112 + "", //113 + "", //114 + "", //115 + "", //116 + "", //117 + "", //118 + "", //119 + "AllSoundOff", //120 + "AllControllersOff", //121 + "LocalKeyboard [OnOff]", //122 + "AllNotesOff", //123 + "OmniModeOff", //124 + "OmniModeOn", //125 + "MonoOperation", //126 + "PolyOperation", //127 +}; + + +} // End namespace + + +OPENMPT_NAMESPACE_END |