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211 lines
6.4 KiB
Python
211 lines
6.4 KiB
Python
# -*- coding: ISO-8859-1 -*-
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###################################################
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## Definitions of the different midi events
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###################################################
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## Midi channel events (The most usual events)
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## also called "Channel Voice Messages"
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NOTE_OFF = 0x80
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# 1000cccc 0nnnnnnn 0vvvvvvv (channel, note, velocity)
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NOTE_ON = 0x90
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# 1001cccc 0nnnnnnn 0vvvvvvv (channel, note, velocity)
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AFTERTOUCH = 0xA0
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# 1010cccc 0nnnnnnn 0vvvvvvv (channel, note, velocity)
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CONTINUOUS_CONTROLLER = 0xB0 # see Channel Mode Messages!!!
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# 1011cccc 0ccccccc 0vvvvvvv (channel, controller, value)
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PATCH_CHANGE = 0xC0
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# 1100cccc 0ppppppp (channel, program)
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CHANNEL_PRESSURE = 0xD0
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# 1101cccc 0ppppppp (channel, pressure)
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PITCH_BEND = 0xE0
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# 1110cccc 0vvvvvvv 0wwwwwww (channel, value-lo, value-hi)
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###################################################
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## Channel Mode Messages (Continuous Controller)
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## They share a status byte.
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## The controller makes the difference here
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# High resolution continuous controllers (MSB)
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BANK_SELECT = 0x00
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MODULATION_WHEEL = 0x01
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BREATH_CONTROLLER = 0x02
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FOOT_CONTROLLER = 0x04
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PORTAMENTO_TIME = 0x05
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DATA_ENTRY = 0x06
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CHANNEL_VOLUME = 0x07
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BALANCE = 0x08
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PAN = 0x0A
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EXPRESSION_CONTROLLER = 0x0B
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EFFECT_CONTROL_1 = 0x0C
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EFFECT_CONTROL_2 = 0x0D
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GEN_PURPOSE_CONTROLLER_1 = 0x10
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GEN_PURPOSE_CONTROLLER_2 = 0x11
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GEN_PURPOSE_CONTROLLER_3 = 0x12
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GEN_PURPOSE_CONTROLLER_4 = 0x13
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# High resolution continuous controllers (LSB)
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BANK_SELECT = 0x20
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MODULATION_WHEEL = 0x21
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BREATH_CONTROLLER = 0x22
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FOOT_CONTROLLER = 0x24
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PORTAMENTO_TIME = 0x25
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DATA_ENTRY = 0x26
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CHANNEL_VOLUME = 0x27
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BALANCE = 0x28
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PAN = 0x2A
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EXPRESSION_CONTROLLER = 0x2B
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EFFECT_CONTROL_1 = 0x2C
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EFFECT_CONTROL_2 = 0x2D
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GENERAL_PURPOSE_CONTROLLER_1 = 0x30
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GENERAL_PURPOSE_CONTROLLER_2 = 0x31
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GENERAL_PURPOSE_CONTROLLER_3 = 0x32
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GENERAL_PURPOSE_CONTROLLER_4 = 0x33
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# Switches
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SUSTAIN_ONOFF = 0x40
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PORTAMENTO_ONOFF = 0x41
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SOSTENUTO_ONOFF = 0x42
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SOFT_PEDAL_ONOFF = 0x43
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LEGATO_ONOFF = 0x44
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HOLD_2_ONOFF = 0x45
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# Low resolution continuous controllers
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SOUND_CONTROLLER_1 = 0x46 # (TG: Sound Variation; FX: Exciter On/Off)
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SOUND_CONTROLLER_2 = 0x47 # (TG: Harmonic Content; FX: Compressor On/Off)
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SOUND_CONTROLLER_3 = 0x48 # (TG: Release Time; FX: Distortion On/Off)
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SOUND_CONTROLLER_4 = 0x49 # (TG: Attack Time; FX: EQ On/Off)
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SOUND_CONTROLLER_5 = 0x4A # (TG: Brightness; FX: Expander On/Off)75 SOUND_CONTROLLER_6 (TG: Undefined; FX: Reverb OnOff)
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SOUND_CONTROLLER_7 = 0x4C # (TG: Undefined; FX: Delay OnOff)
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SOUND_CONTROLLER_8 = 0x4D # (TG: Undefined; FX: Pitch Transpose OnOff)
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SOUND_CONTROLLER_9 = 0x4E # (TG: Undefined; FX: Flange/Chorus OnOff)
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SOUND_CONTROLLER_10 = 0x4F # (TG: Undefined; FX: Special Effects OnOff)
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GENERAL_PURPOSE_CONTROLLER_5 = 0x50
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GENERAL_PURPOSE_CONTROLLER_6 = 0x51
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GENERAL_PURPOSE_CONTROLLER_7 = 0x52
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GENERAL_PURPOSE_CONTROLLER_8 = 0x53
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PORTAMENTO_CONTROL = 0x54 # (PTC) (0vvvvvvv is the source Note number) (Detail)
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EFFECTS_1 = 0x5B # (Ext. Effects Depth)
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EFFECTS_2 = 0x5C # (Tremelo Depth)
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EFFECTS_3 = 0x5D # (Chorus Depth)
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EFFECTS_4 = 0x5E # (Celeste Depth)
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EFFECTS_5 = 0x5F # (Phaser Depth)
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DATA_INCREMENT = 0x60 # (0vvvvvvv is n/a; use 0)
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DATA_DECREMENT = 0x61 # (0vvvvvvv is n/a; use 0)
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NON_REGISTERED_PARAMETER_NUMBER = 0x62 # (LSB)
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NON_REGISTERED_PARAMETER_NUMBER = 0x63 # (MSB)
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REGISTERED_PARAMETER_NUMBER = 0x64 # (LSB)
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REGISTERED_PARAMETER_NUMBER = 0x65 # (MSB)
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# Channel Mode messages - (Detail)
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ALL_SOUND_OFF = 0x78
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RESET_ALL_CONTROLLERS = 0x79
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LOCAL_CONTROL_ONOFF = 0x7A
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ALL_NOTES_OFF = 0x7B
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OMNI_MODE_OFF = 0x7C # (also causes ANO)
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OMNI_MODE_ON = 0x7D # (also causes ANO)
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MONO_MODE_ON = 0x7E # (Poly Off; also causes ANO)
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POLY_MODE_ON = 0x7F # (Mono Off; also causes ANO)
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###################################################
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## System Common Messages, for all channels
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SYSTEM_EXCLUSIVE = 0xF0
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# 11110000 0iiiiiii 0ddddddd ... 11110111
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MTC = 0xF1 # MIDI Time Code Quarter Frame
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# 11110001
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SONG_POSITION_POINTER = 0xF2
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# 11110010 0vvvvvvv 0wwwwwww (lo-position, hi-position)
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SONG_SELECT = 0xF3
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# 11110011 0sssssss (songnumber)
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#UNDEFINED = 0xF4
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## 11110100
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#UNDEFINED = 0xF5
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## 11110101
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TUNING_REQUEST = 0xF6
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# 11110110
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END_OFF_EXCLUSIVE = 0xF7 # terminator
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# 11110111 # End of system exclusive
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###################################################
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## Midifile meta-events
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SEQUENCE_NUMBER = 0x00 # 00 02 ss ss (seq-number)
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TEXT = 0x01 # 01 len text...
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COPYRIGHT = 0x02 # 02 len text...
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SEQUENCE_NAME = 0x03 # 03 len text...
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INSTRUMENT_NAME = 0x04 # 04 len text...
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LYRIC = 0x05 # 05 len text...
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MARKER = 0x06 # 06 len text...
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CUEPOINT = 0x07 # 07 len text...
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PROGRAM_NAME = 0x08 # 08 len text...
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DEVICE_NAME = 0x09 # 09 len text...
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MIDI_CH_PREFIX = 0x20 # MIDI channel prefix assignment (unofficial)
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MIDI_PORT = 0x21 # 21 01 port, legacy stuff but still used
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END_OF_TRACK = 0x2F # 2f 00
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TEMPO = 0x51 # 51 03 tt tt tt (tempo in us/quarternote)
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SMTP_OFFSET = 0x54 # 54 05 hh mm ss ff xx
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TIME_SIGNATURE = 0x58 # 58 04 nn dd cc bb
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KEY_SIGNATURE = 0x59 # ??? len text...
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SPECIFIC = 0x7F # Sequencer specific event
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FILE_HEADER = 'MThd'
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TRACK_HEADER = 'MTrk'
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###################################################
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## System Realtime messages
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## I don't supose these are to be found in midi files?!
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TIMING_CLOCK = 0xF8
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# undefined = 0xF9
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SONG_START = 0xFA
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SONG_CONTINUE = 0xFB
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SONG_STOP = 0xFC
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# undefined = 0xFD
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ACTIVE_SENSING = 0xFE
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SYSTEM_RESET = 0xFF
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###################################################
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## META EVENT, it is used only in midi files.
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## In transmitted data it means system reset!!!
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META_EVENT = 0xFF
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# 11111111
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###################################################
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## Helper functions
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def is_status(byte):
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return (byte & 0x80) == 0x80 # 1000 0000
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