3 from __future__ import division 3 from __future__ import division 4 import ipdb 4 import ipdb 5 import os 5 import os 6 import random 6 import random 7 import sys 7 import sys 8 import time 8 import time 9 9 > 10 from midiutil.MidiFile import MIDIFile as midifile 10 import parse 11 import parse 11 import topsort 12 import topsort 12 import yaml 13 import yaml 13 14 14 import tree 15 import tree 15 16 16 random.seed(time.time()) 17 random.seed(time.time()) > 18 mymidi = midifile(15) 17 19 18 def main(): 20 def main(): 19 composition = { 21 composition = { 20 "fm_test": { 22 "fm_test": { 21 "intro": { 23 "intro": { 22 "melody": { # Instrument 'melody' 24 "melody": { # Instrument 'melody' 23 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(no 25 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(no ................................................................................................................................................................................ 101 "u": ["C/4 C/4 C/4 C/4"], 103 "u": ["C/4 C/4 C/4 C/4"], 102 }, 104 }, 103 }, 105 }, 104 }, 106 }, 105 }, 107 }, 106 "sync_test": { 108 "sync_test": { 107 "body": { 109 "body": { 108 # "lead_instr": { # Instrument 'melody' | 110 "lead_instr": { # Instrument 'melody' 109 # "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(n | 111 "channel": 6, 110 ## "score_line": "i5 %(time)f %(duration)f 7000 %(octave)d.%( < 111 # "octave": 7, | 112 "octave": 4, 112 # "duration": 30, | 113 "duration": 30, 113 # "grammars": { # Notes for this instrument to use in this p | 114 "grammars": { # Notes for this instrument to use in this pi 114 ## "u": ["A ^A B C ^C D ^D E F ^F G ^G"], | 115 # "u": ["A ^A B C ^C D ^D E F ^F G ^G"], 115 # "u": ["A/2, B/2, C/2 D/2 (u)", "D/2' D/2' D/2' D/2' (v) | 116 "u": ["A/2, B/2, C/2 D/2 (u)", "D/2' D/2' D/2' D/2' (x)" 116 # "v": ["C/2 C/2 C/2 C/2 (w)"], | 117 "v": ["C/2 C/2 C/2 C/2 (w)"], 117 # "w": ["E/2 F/2 E/2 F/2 (u)"], | 118 "w": ["E/2 F/2 E/2 F/2 (u)"], > 119 "x": ["z4 (v)"], 118 # }, | 120 }, 119 # }, | 121 }, 120 "follow_instr": { # Instrument 'melody' 122 "follow_instr": { # Instrument 'melody' 121 # "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(n | 123 "channel": 0, 122 "score_line": "i3 %(time)f %(duration)f 7000 %(octave)d.%(no < 123 # "sync": "lead_instr", | 124 "sync": "lead_instr", 124 "octave": 2, 125 "octave": 2, 125 "duration": 30, 126 "duration": 30, 126 "grammars": { # Notes for this instrument to use in this pi 127 "grammars": { # Notes for this instrument to use in this pi 127 # "u": ["A ^A B C ^C D ^D E F ^F G ^G"], 128 # "u": ["A ^A B C ^C D ^D E F ^F G ^G"], 128 "u": ["E F G E (v)"], 129 "u": ["E F G E (v)"], 129 "v": ["G A A A (e)", "G A A A (v)"], 130 "v": ["G A A A (e)", "G A A A (v)"], 130 "e": ["B A G A (u)"], 131 "e": ["B A G A (u)"], > 132 "x": ["z4 (e)"], 131 }, 133 }, 132 }, 134 }, 133 # "instr2": { # Instrument 'melody' 135 # "instr2": { # Instrument 'melody' 134 # "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(n 136 # "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(n 135 # "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(n 137 # "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(n 136 # "octave": 5, 138 # "octave": 5, 137 # "duration": 30, 139 # "duration": 30, ................................................................................................................................................................................ 169 subsection[instr]["sync"] = None 171 subsection[instr]["sync"] = None 170 unordered_instrs.append([subsection[instr]["sync"], instr]) 172 unordered_instrs.append([subsection[instr]["sync"], instr]) 171 ordered_instrs = topsort.topsort(unordered_instrs) 173 ordered_instrs = topsort.topsort(unordered_instrs) 172 ordered_instrs.remove(None) # None used as a placeholder for so 174 ordered_instrs.remove(None) # None used as a placeholder for so 173 175 174 instrs = [] 176 instrs = [] 175 syncs = {} 177 syncs = {} > 178 track = 0 176 for instr in ordered_instrs: 179 for instr in ordered_instrs: 177 print ";Instrument " + instr 180 print ";Instrument " + instr 178 instr = subsection[instr] 181 instr = subsection[instr] 179 max_time = instr["duration"] 182 max_time = instr["duration"] 180 instr_score, syncs = render_instr(instr, syncs, max_time) 183 instr_score, syncs = render_instr(instr, syncs, max_time) 181 instrs.append(instr_score) 184 instrs.append(instr_score) 182 for line in generate_csound_score(instr_score, instr["score_ | 185 generate_csound_score(instr_score, track, instr["channel"], 183 print line < 184 longest_score = max(instrs, key=lambda i: score_len(i)) 186 longest_score = max(instrs, key=lambda i: score_len(i)) 185 subsection_start += score_len(longest_score) 187 subsection_start += score_len(longest_score) 186 section_start += score_len(longest_score) 188 section_start += score_len(longest_score) > 189 track += 1 187 except KeyError: 190 except KeyError: 188 pass 191 pass > 192 with open("out.mid", "wb") as outfile: > 193 mymidi.writeFile(outfile) > 194 189 195 190 196 191 def render_instr(instr, syncs, max_time): 197 def render_instr(instr, syncs, max_time): 192 for g in instr["grammars"]: 198 for g in instr["grammars"]: 193 for i in range(len(instr["grammars"][g])): 199 for i in range(len(instr["grammars"][g])): 194 instr["grammars"][g][i] = parse.parse(instr["grammars"][g][i], defau 200 instr["grammars"][g][i] = parse.parse(instr["grammars"][g][i], defau 195 201 ................................................................................................................................................................................ 266 total = 0 272 total = 0 267 for n in score: 273 for n in score: 268 if not isinstance(n, tree.Tree): 274 if not isinstance(n, tree.Tree): 269 total += n.duration 275 total += n.duration 270 return total 276 return total 271 277 272 278 > 279 def get_midi_note(octave, note): > 280 return note + 12 * (octave+1) > 281 > 282 273 def generate_csound_score(score, score_line, t): | 283 def generate_csound_score(score, track, channel, t): 274 csound_note_values = { < 275 "C": "00", < 276 "C#": "01", "Db": "01", < 277 "D": "02", < 278 "D#": "03", "Eb": "03", | 284 # Assume get_midi_note() 279 "E": "04", | 285 global mymidi 280 "F": "05", < 281 "F#": "06", "Gb": "06", < 282 "G": "07", < 283 "G#": "08", "Ab": "08", < 284 "A": "09", < 285 "A#": "10", "Bb": "10", < 286 "B": "11", < 287 } | 286 288 csound_score = [] < 289 for token in score: 287 for token in score: 290 if isinstance(token, parse.Chord): # Chords 288 if isinstance(token, parse.Chord): # Chords 291 for note in token.chord: 289 for note in token.chord: 292 note = csound_note_values[note] < 293 csound_score.append(score_line % {"time": t, "octave": token.oct < 294 csound_score.append(score_line % {"time": t, "octave": token.oct < > 290 note = get_midi_note(token.octave, note) > 291 mymidi.addNote(track=track, channel=channel,pitch=note, time=t, 295 elif isinstance(token, parse.Note): # Individual notes 292 elif isinstance(token, parse.Note): # Individual notes 296 note = csound_note_values[token.value] < 297 csound_score.append(score_line % {"time": t, "octave": token.octave, < > 293 note = get_midi_note(token.octave, token.value) > 294 mymidi.addNote(track=track, channel=channel,pitch=note, time=t, dura 298 elif isinstance(token, tree.Tree): 295 elif isinstance(token, tree.Tree): 299 continue 296 continue 300 t += token.duration 297 t += token.duration > 298 301 return csound_score | 299 return [] 302 300 303 301 304 if __name__ == "__main__": main() 302 if __name__ == "__main__": main()