Source Code for Module echonest.remix.support.midi.constants

  1  # -*- coding: ISO-8859-1 -*-
 
  2  
 
  3  ###################################################
 
  4  ## Definitions of the different midi events
 
  5  
 
  6  
 
  7  
 
  8  ###################################################
 
  9  ## Midi channel events (The most usual events)
 
 10  ## also called "Channel Voice Messages"
 
 11  
 
 12  NOTE_OFF = 0x80 
 13  # 1000cccc 0nnnnnnn 0vvvvvvv (channel, note, velocity)
 
 14  
 
 15  NOTE_ON = 0x90 
 16  # 1001cccc 0nnnnnnn 0vvvvvvv (channel, note, velocity)
 
 17  
 
 18  AFTERTOUCH = 0xA0 
 19  # 1010cccc 0nnnnnnn 0vvvvvvv (channel, note, velocity)
 
 20  
 
 21  CONTINUOUS_CONTROLLER = 0xB0 # see Channel Mode Messages!!! 
 22  # 1011cccc 0ccccccc 0vvvvvvv (channel, controller, value)
 
 23  
 
 24  PATCH_CHANGE = 0xC0 
 25  # 1100cccc 0ppppppp (channel, program)
 
 26  
 
 27  CHANNEL_PRESSURE = 0xD0 
 28  # 1101cccc 0ppppppp (channel, pressure)
 
 29  
 
 30  PITCH_BEND = 0xE0 
 31  # 1110cccc 0vvvvvvv 0wwwwwww (channel, value-lo, value-hi)
 
 32  
 
 33  
 
 34  ###################################################
 
 35  ##  Channel Mode Messages (Continuous Controller)
 
 36  ##  They share a status byte.
 
 37  ##  The controller makes the difference here
 
 38  
 
 39  # High resolution continuous controllers (MSB)
 
 40  
 
 41  BANK_SELECT = 0x00 
 42  MODULATION_WHEEL = 0x01 
 43  BREATH_CONTROLLER = 0x02 
 44  FOOT_CONTROLLER = 0x04 
 45  PORTAMENTO_TIME = 0x05 
 46  DATA_ENTRY = 0x06 
 47  CHANNEL_VOLUME = 0x07 
 48  BALANCE = 0x08 
 49  PAN = 0x0A 
 50  EXPRESSION_CONTROLLER = 0x0B 
 51  EFFECT_CONTROL_1 = 0x0C 
 52  EFFECT_CONTROL_2 = 0x0D 
 53  GEN_PURPOSE_CONTROLLER_1 = 0x10 
 54  GEN_PURPOSE_CONTROLLER_2 = 0x11 
 55  GEN_PURPOSE_CONTROLLER_3 = 0x12 
 56  GEN_PURPOSE_CONTROLLER_4 = 0x13 
 57  
 
 58  # High resolution continuous controllers (LSB)
 
 59  
 
 60  BANK_SELECT = 0x20 
 61  MODULATION_WHEEL = 0x21 
 62  BREATH_CONTROLLER = 0x22 
 63  FOOT_CONTROLLER = 0x24 
 64  PORTAMENTO_TIME = 0x25 
 65  DATA_ENTRY = 0x26 
 66  CHANNEL_VOLUME = 0x27 
 67  BALANCE = 0x28 
 68  PAN = 0x2A 
 69  EXPRESSION_CONTROLLER = 0x2B 
 70  EFFECT_CONTROL_1 = 0x2C 
 71  EFFECT_CONTROL_2 = 0x2D 
 72  GENERAL_PURPOSE_CONTROLLER_1 = 0x30 
 73  GENERAL_PURPOSE_CONTROLLER_2 = 0x31 
 74  GENERAL_PURPOSE_CONTROLLER_3 = 0x32 
 75  GENERAL_PURPOSE_CONTROLLER_4 = 0x33 
 76  
 
 77  # Switches
 
 78  
 
 79  SUSTAIN_ONOFF = 0x40 
 80  PORTAMENTO_ONOFF = 0x41 
 81  SOSTENUTO_ONOFF = 0x42 
 82  SOFT_PEDAL_ONOFF = 0x43 
 83  LEGATO_ONOFF = 0x44 
 84  HOLD_2_ONOFF = 0x45 
 85  
 
 86  # Low resolution continuous controllers
 
 87  
 
 88  SOUND_CONTROLLER_1 = 0x46                  # (TG: Sound Variation;   FX: Exciter On/Off) 
 89  SOUND_CONTROLLER_2 = 0x47                  # (TG: Harmonic Content;   FX: Compressor On/Off) 
 90  SOUND_CONTROLLER_3 = 0x48                  # (TG: Release Time;   FX: Distortion On/Off) 
 91  SOUND_CONTROLLER_4 = 0x49                  # (TG: Attack Time;   FX: EQ On/Off) 
 92  SOUND_CONTROLLER_5 = 0x4A                  # (TG: Brightness;   FX: Expander On/Off)75  SOUND_CONTROLLER_6   (TG: Undefined;   FX: Reverb OnOff) 
 93  SOUND_CONTROLLER_7 = 0x4C                  # (TG: Undefined;   FX: Delay OnOff) 
 94  SOUND_CONTROLLER_8 = 0x4D                  # (TG: Undefined;   FX: Pitch Transpose OnOff) 
 95  SOUND_CONTROLLER_9 = 0x4E                  # (TG: Undefined;   FX: Flange/Chorus OnOff) 
 96  SOUND_CONTROLLER_10 = 0x4F                 # (TG: Undefined;   FX: Special Effects OnOff) 
 97  GENERAL_PURPOSE_CONTROLLER_5 = 0x50 
 98  GENERAL_PURPOSE_CONTROLLER_6 = 0x51 
 99  GENERAL_PURPOSE_CONTROLLER_7 = 0x52 
100  GENERAL_PURPOSE_CONTROLLER_8 = 0x53 
101  PORTAMENTO_CONTROL = 0x54                  # (PTC)   (0vvvvvvv is the source Note number)   (Detail) 
102  EFFECTS_1 = 0x5B                           # (Ext. Effects Depth) 
103  EFFECTS_2 = 0x5C                           # (Tremelo Depth) 
104  EFFECTS_3 = 0x5D                           # (Chorus Depth) 
105  EFFECTS_4 = 0x5E                           # (Celeste Depth) 
106  EFFECTS_5 = 0x5F                           # (Phaser Depth) 
107  DATA_INCREMENT = 0x60                      # (0vvvvvvv is n/a; use 0) 
108  DATA_DECREMENT = 0x61                      # (0vvvvvvv is n/a; use 0) 
109  NON_REGISTERED_PARAMETER_NUMBER = 0x62     # (LSB) 
110  NON_REGISTERED_PARAMETER_NUMBER = 0x63     # (MSB) 
111  REGISTERED_PARAMETER_NUMBER = 0x64         # (LSB) 
112  REGISTERED_PARAMETER_NUMBER = 0x65         # (MSB) 
113  
 
114  # Channel Mode messages - (Detail)
 
115  
 
116  ALL_SOUND_OFF = 0x78 
117  RESET_ALL_CONTROLLERS = 0x79 
118  LOCAL_CONTROL_ONOFF = 0x7A 
119  ALL_NOTES_OFF = 0x7B 
120  OMNI_MODE_OFF = 0x7C          # (also causes ANO) 
121  OMNI_MODE_ON = 0x7D           # (also causes ANO) 
122  MONO_MODE_ON = 0x7E           # (Poly Off; also causes ANO) 
123  POLY_MODE_ON = 0x7F           # (Mono Off; also causes ANO) 
124  
 
125  
 
126  
 
127  ###################################################
 
128  ## System Common Messages, for all channels
 
129  
 
130  SYSTEM_EXCLUSIVE = 0xF0 
131  # 11110000 0iiiiiii 0ddddddd ... 11110111
 
132  
 
133  MTC = 0xF1 # MIDI Time Code Quarter Frame 
134  # 11110001
 
135  
 
136  SONG_POSITION_POINTER = 0xF2 
137  # 11110010 0vvvvvvv 0wwwwwww (lo-position, hi-position)
 
138  
 
139  SONG_SELECT = 0xF3 
140  # 11110011 0sssssss (songnumber)
 
141  
 
142  #UNDEFINED = 0xF4
 
143  ## 11110100
 
144  
 
145  #UNDEFINED = 0xF5
 
146  ## 11110101
 
147  
 
148  TUNING_REQUEST = 0xF6 
149  # 11110110
 
150  
 
151  END_OFF_EXCLUSIVE = 0xF7 # terminator 
152  # 11110111 # End of system exclusive
 
153  
 
154  
 
155  ###################################################
 
156  ## Midifile meta-events
 
157  
 
158  SEQUENCE_NUMBER = 0x00      # 00 02 ss ss (seq-number) 
159  TEXT            = 0x01      # 01 len text... 
160  COPYRIGHT       = 0x02      # 02 len text... 
161  SEQUENCE_NAME   = 0x03      # 03 len text... 
162  INSTRUMENT_NAME = 0x04      # 04 len text... 
163  LYRIC           = 0x05      # 05 len text... 
164  MARKER          = 0x06      # 06 len text... 
165  CUEPOINT        = 0x07      # 07 len text... 
166  PROGRAM_NAME    = 0x08      # 08 len text... 
167  DEVICE_NAME     = 0x09      # 09 len text... 
168  
 
169  MIDI_CH_PREFIX  = 0x20      # MIDI channel prefix assignment (unofficial) 
170  
 
171  MIDI_PORT       = 0x21      # 21 01 port, legacy stuff but still used 
172  END_OF_TRACK    = 0x2F      # 2f 00 
173  TEMPO           = 0x51      # 51 03 tt tt tt (tempo in us/quarternote) 
174  SMTP_OFFSET     = 0x54      # 54 05 hh mm ss ff xx 
175  TIME_SIGNATURE  = 0x58      # 58 04 nn dd cc bb 
176  KEY_SIGNATURE   = 0x59      # ??? len text... 
177  SPECIFIC        = 0x7F      # Sequencer specific event 
178  
 
179  FILE_HEADER     = 'MThd' 
180  TRACK_HEADER    = 'MTrk' 
181  
 
182  ###################################################
 
183  ## System Realtime messages
 
184  ## I don't supose these are to be found in midi files?!
 
185  
 
186  TIMING_CLOCK   = 0xF8 
187  # undefined    = 0xF9
 
188  SONG_START     = 0xFA 
189  SONG_CONTINUE  = 0xFB 
190  SONG_STOP      = 0xFC 
191  # undefined    = 0xFD
 
192  ACTIVE_SENSING = 0xFE 
193  SYSTEM_RESET   = 0xFF 
194  
 
195  
 
196  ###################################################
 
197  ## META EVENT, it is used only in midi files.
 
198  ## In transmitted data it means system reset!!!
 
199  
 
200  META_EVENT     = 0xFF 
201  # 11111111
 
202  
 
203  
 
204  ###################################################
 
205  ## Helper functions
 
206  
 
207 -def is_status(byte): 
208      return (byte & 0x80) == 0x80 # 1000 0000 
209