-
Notifications
You must be signed in to change notification settings - Fork 0
/
dadagp.py
2033 lines (1893 loc) · 87.7 KB
/
dadagp.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
#!/usr/bin/python
import os
import json
import guitarpro
import guitarpro as gp
import matplotlib.pyplot as plt
from collections import Counter
from numpy import diff
import re
import json
import math
from fractions import Fraction
from unidecode import unidecode
import sys
from token_splitter import split_rare_token, unsplit_fx
# Note:
# "clean" = Clean Electric Guitar or Acoustic Guitar
# "distorted" = Distorted Guitar or Overdrive Guitar
# "bass" = Any Bass Guitar
# "leads" = Any other instrument more stacatto with sharp attacks (like Piano)
# "pads" = Any other instrument used more ambiently (like Choir)
# "remove" = Sound FX -- removing them for this dataset
# "drums" ... Actually drums are determined by track.isPercussionTrack=True not track.channel.instrument.
# Drum tracks could have any instrument, usually 0 or 255.
instrument_groups = {0: 'leads',
1: 'leads',
2: 'leads',
3: 'leads',
4: 'leads',
5: 'leads',
6: 'leads',
7: 'leads',
8: 'leads',
9: 'leads',
10: 'leads',
11: 'leads',
12: 'leads',
13: 'leads',
14: 'leads',
15: 'leads',
16: 'leads',
17: 'leads',
18: 'leads',
19: 'leads',
20: 'leads',
21: 'leads',
22: 'leads',
23: 'leads',
24: 'clean',
25: 'clean',
26: 'clean',
27: 'clean',
28: 'clean',
29: 'distorted',
30: 'distorted',
31: 'distorted',
32: 'bass',
33: 'bass',
34: 'bass',
35: 'bass',
36: 'bass',
37: 'bass',
38: 'bass',
39: 'bass',
40: 'leads',
41: 'leads',
42: 'leads',
43: 'leads',
44: 'leads',
45: 'leads',
46: 'leads',
47: 'leads',
48: 'pads',
49: 'pads',
50: 'pads',
51: 'pads',
52: 'pads',
53: 'pads',
54: 'pads',
55: 'pads',
56: 'leads',
57: 'leads',
58: 'leads',
59: 'leads',
60: 'leads',
61: 'leads',
62: 'leads',
63: 'leads',
64: 'leads',
65: 'leads',
66: 'leads',
67: 'leads',
68: 'leads',
69: 'leads',
70: 'leads',
71: 'leads',
72: 'leads',
73: 'leads',
74: 'leads',
75: 'leads',
76: 'leads',
77: 'leads',
78: 'leads',
79: 'leads',
80: 'leads',
81: 'leads',
82: 'leads',
83: 'leads',
84: 'leads',
85: 'leads',
86: 'leads',
87: 'leads',
88: 'pads',
89: 'pads',
90: 'pads',
91: 'pads',
92: 'pads',
93: 'pads',
94: 'pads',
95: 'pads',
96: 'leads',
97: 'pads',
98: 'leads',
99: 'leads',
100: 'pads',
101: 'pads',
102: 'pads',
103: 'pads',
104: 'clean',
105: 'clean',
106: 'clean',
107: 'clean',
108: 'leads',
109: 'leads',
110: 'leads',
111: 'leads',
112: 'leads',
113: 'leads',
114: 'leads',
115: 'leads',
116: 'leads',
117: 'leads',
118: 'leads',
119: 'leads',
120: 'remove',
121: 'remove',
122: 'remove',
123: 'remove',
124: 'remove',
125: 'remove',
126: 'remove',
127: 'remove',
255: 'drums'}
# Returns the instrument group (string) given the Track object
# Throws error if track is not supported (no Banjo)
def get_instrument_group(track):
assert not track.isBanjoTrack, "Banjo not supported"
if(track.isPercussionTrack):
return "drums"
else:
midinumber = track.channel.instrument
group_name = instrument_groups[midinumber]
return group_name
# TUNING FUNCTIONS
# Takes a NoteString like "E4" and gives you a few different representations. Mostly interested in midi_number
def noteNumber(n):
octave=int(n[-1:])
pitch_class=n[:-1]
pitch_value = guitarpro.PitchClass(pitch_class).value
midi_number = (octave)*12 + pitch_value
return octave, pitch_class, pitch_value, midi_number
# Tests
assert noteNumber("C#1") == (1, 'C#', 1, 13)
assert noteNumber("E5") == (5, 'E', 4, 64)
# calculates the pitch differences between successive strings
# for example, ['E5', 'B4', 'G4', 'D4', 'A3', 'E3'] => [-5, -4, -5, -5, -5]
# This representation verifies the tuning regardless of the pitch_shift component
def strtodiff(strings):
strnums = [noteNumber(s)[3] for s in strings]
strdiff = list(diff(strnums))
return strdiff
# Supported Guitar tunings. Give it the output from strtodiff
def is_g6standard(strdiff):
return strdiff == [-5, -4, -5, -5, -5]
def is_g7standard(strdiff):
return strdiff == [-5, -4, -5, -5, -5, -5]
def is_g6drop(strdiff):
return strdiff == [-5, -4, -5, -5, -7]
def is_g7drop(strdiff):
return strdiff == [-5, -4, -5, -5, -7, -5]
# Test if the set of strings is a supported guitar tuning. Give it a notename list
def is_good_guitar_tuning(strings):
strnums = [noteNumber(s)[3] for s in strings]
strdiff = list(diff(strnums))
if(len(strings)==6):
return is_g6standard(strdiff) or is_g6drop(strdiff)
elif(len(strings)==7):
return is_g7standard(strdiff) or is_g7drop(strdiff)
else:
return False
# Tests
strings = ['E5', 'B4', 'G4', 'D4', 'A3', 'E3']
assert is_good_guitar_tuning(strings)
strings = ['E5', 'B4', 'G4', 'D4', 'A3', 'D3']
assert is_good_guitar_tuning(strings)
strings = ['D5', 'A4', 'F4', 'C4', 'G3', 'D3']
assert is_good_guitar_tuning(strings)
strings = ['D5', 'A4', 'F4', 'C4', 'G3', 'C3']
assert is_good_guitar_tuning(strings)
strings = ['E5', 'B4', 'G4', 'D4', 'A3', 'E3', "B2"]
assert is_good_guitar_tuning(strings)
strings = ['E5', 'B4', 'G4', 'D4', 'A3', 'D3', "A2"]
assert is_good_guitar_tuning(strings)
strings = ['D5', 'A4', 'F4', 'C4', 'G3', 'D3', "A2"]
assert is_good_guitar_tuning(strings)
strings = ['D5', 'A4', 'F4', 'C4', 'G3', 'C3', "G2"]
assert is_good_guitar_tuning(strings)
# Supported Guitar tunings. Give it the output from strtodiff
def is_b4standard(strdiff):
return strdiff == [-5, -5, -5]
def is_b5standard(strdiff):
return strdiff == [-5, -5, -5, -5]
def is_b6standard(strdiff):
return strdiff == [-5, -5, -5, -5, -5]
def is_b4drop(strdiff):
return strdiff == [-5, -5, -7]
# Returns a string describing the tuning type
def get_tuning_type(instrument_group, strings):
strnums = [noteNumber(s)[3] for s in strings]
strdiff = list(diff(strnums))
if(instrument_group=="bass"):
if is_b4standard(strdiff):
return "b4_standard"
elif is_b5standard(strdiff):
return "b5_standard"
elif is_b6standard(strdiff):
return "b6_standard"
elif is_b4drop(strdiff):
return "b4_drop"
else:
if is_g6standard(strdiff):
return "g6_standard"
elif is_g7standard(strdiff):
return "g7_standard"
elif is_g6drop(strdiff):
return "g6_drop"
elif is_g7drop(strdiff):
return "g7_drop"
print(instrument_group, strings)
raise Exception # unsupported
assert get_tuning_type("guitar",['E5', 'B4', 'G4', 'D4', 'A3', 'E3']) == "g6_standard"
assert get_tuning_type("guitar",['E5', 'B4', 'G4', 'D4', 'A3', 'D3']) == "g6_drop"
# Test if the set of strings is a supported bass tuning. Give it a notename list
def is_good_bass_tuning(strings):
strnums = [noteNumber(s)[3] for s in strings]
strdiff = list(diff(strnums))
if(len(strings)==6):
return is_b6standard(strdiff)
elif(len(strings)==5):
return is_b5standard(strdiff)
elif(len(strings)==4):
return is_b4standard(strdiff) or is_b4drop(strdiff)
else:
return False
# Tests
strings = ['G2', 'D2', 'A1', 'E1']
assert is_good_bass_tuning(strings)
strings = ['G2', 'D2', 'A1', 'D1']
assert is_good_bass_tuning(strings)
strings = ['F2', 'C2', 'G1', 'D1']
assert is_good_bass_tuning(strings)
strings = ['F2', 'C2', 'G1', 'C1']
assert is_good_bass_tuning(strings)
strings = ['G2', 'D2', 'A1', 'E1', 'B0']
assert is_good_bass_tuning(strings)
strings = ['C3','G2', 'D2', 'A1', 'E1', 'B0']
assert is_good_bass_tuning(strings)
# how many steps did we downtune the guitar?
# Note: dropD or dropAD does not count as downtuning in our representation
# The extra low notes will be represented as frets -2 and -1 on an E-standard-like fretboard
def guitar_downtunage(strings):
strnums = [noteNumber(s)[3] for s in strings]
return strnums[0] - 64
# Tests
assert guitar_downtunage(['E5', 'B4', 'G4', 'D4', 'A3', 'E3']) == 0
assert guitar_downtunage(['E5', 'B4', 'G4', 'D4', 'A3', 'D3']) == 0
assert guitar_downtunage(['D5', 'A4', 'F4', 'C4', 'G3', 'C3']) == -2
# how many steps did we downtune the bass?
# Note: dropD or dropAD does not count as downtuning in our representation
# The extra low notes will be represented as frets -2 and -1 on an E-standard-like fretboard
def bass_downtunage(strings):
strnums = [noteNumber(s)[3] for s in strings]
if(len(strings)==4 or len(strings)==5):
return strnums[0] - 31 - 12
elif(len(strings)==6):
return strnums[1] - 31 - 12
# Tests
assert bass_downtunage(['G3', 'D3', 'A2', 'E2']) == 0
assert bass_downtunage(['F3', 'C3', 'G2', 'D2']) == -2
assert bass_downtunage(['C4', 'G3', 'D3', 'A2', 'E2', 'B1']) == 0
# from filename, get the artist_name
def get_artist(file):
# artist_name should be the parent folder in the directory structure
return file.split("/")[-2]
# from the artist_name get the artist_token
def get_artist_token(artist_name):
# transliterate unicode characters to ascii
# I first considered keeping accent characters out of respect for the artists
# But character encoding errors are subtle and tricky to debug and I want to avoid anyone having to do that
# Especially since these chars might be represented in strings inside of Tensorflow.. could get weird
# I don't want to have to realize unicode isn't supported somewhere down the line
# Better to use ascii from the start
name = unidecode(artist_name)
name = re.sub("['.]", "", name) # remove some punctuation
name = name.lower() # make lower case
# first name, last name
s = name.split(",")
if(len(s)==2):
name = s[1] + " " + s[0]
# put The at the beginning
thes = ["the","les","las","los","la","el","le","da","os","els"]
for the in thes:
l = len(the)
if len(name)>6 and name[-2-l:] == "(%s)" % the:
name = "%s %s" % (the, name[:-3-l])
# replace non alphanumeric with underscore.
name = re.sub("[^\w\&\-_\(\)\@\.\'!~°]+", "_", name)
# no trailing underscore
if(name[-1]=="_"):
name = name[:-1]
if(name[0]=="_"):
name = name[1:]
# condense some other punctuation
name = name.replace("_&_","_&_")
name = name.replace("_-_","_")
return name
assert get_artist("/home/ubuntu/gptabs/O/Opeth/Opeth - Bleak.gp3") == 'Opeth'
assert get_artist("/home/ubuntu/gptabs/G/Guitar Player Lições/file.gp3") == 'Guitar Player Lições'
assert get_artist("/Users/cj/Desktop/dadagp-1.2/home/ubuntu/DadaGP/O/Opeth/Opeth - Closure.gp4") == "Opeth"
assert get_artist_token("Opeth") == 'opeth'
assert get_artist_token("Tchaikovsky, Pioter Ilych") == 'pioter_ilych_tchaikovsky'
assert get_artist_token("Transplants (The)") == 'the_transplants'
assert get_artist_token("TBA (To Be Announced)") == 'tba_(to_be_announced)'
assert get_artist_token("Guitar Player Lições") == 'guitar_player_licoes'
assert get_artist_token("Gasté, Bernard") == 'bernard_gaste'
assert get_artist_token("V.p.c.f.V (Les)") == 'les_vpcfv'
assert get_artist_token("Virtu@l Lulu") == 'virtu@l_lulu'
# they should also convert to themselves
assert get_artist_token("opeth") == 'opeth'
assert get_artist_token("pioter_ilych_tchaikovsky") == 'pioter_ilych_tchaikovsky'
assert get_artist_token("the_transplants") == 'the_transplants'
assert get_artist_token("tba_(to_be_announced)") == 'tba_(to_be_announced)'
assert get_artist_token("guitar_player_licoes") == 'guitar_player_licoes'
assert get_artist_token("bernard_gaste") == 'bernard_gaste'
assert get_artist_token("les_vpcfv") == 'les_vpcfv'
assert get_artist_token("virtu@l_lulu") == 'virtu@l_lulu'
# round tempo to nearest 10bpm
def roundtempo(tempo):
return round(tempo/10)*10
# It's important, for resolving token contradictions, that I use the the format measure_name[_params]
# because there should only be one each of "measure_name" token per measure.
def get_measure_tokens(measure):
measure_tokens = ["new_measure"]
#if(measure.tempo):
# measure_tokens.append("tempo:%s" % roundtempo(measure.tempo.value))
# measure tempo is fucked and buggy, you should really look at beatEffect.mixTableChange.tempo
header = measure.header
if(header.tripletFeel.value>0):
measure_tokens.append("measure:triplet_feel:%s" % header.tripletFeel.value)
if(header.isRepeatOpen):
measure_tokens.append("measure:repeat_open")
if(header.repeatAlternative>0):
# sometimes this is a large value 16383 or 16384
# For multiple endings for example endings 1-8
# However pygp doesn't seem to support this
print(header.repeatAlternative)
if(header.repeatAlternative<=255):
measure_tokens.append("measure:repeat_alternative:%s" % header.repeatAlternative)
if(header.repeatClose>0):
measure_tokens.append("measure:repeat_close:%s" % header.repeatClose)
if(header.direction):
measure_tokens.append("measure:direction:%s" % header.direction.name.replace(" ",""))
if(header.fromDirection):
measure_tokens.append("measure:from_direction:%s" % header.fromDirection.name.replace(" ",""))
return measure_tokens
# It's important to maintain the format of bfx:name(:params..)
# Because we use that to resolve contradictory beatfx tokens
def beat_effect_list(effect):
effects = []
# simple effects true/false
if(effect.fadeIn):
effects.append("bfx:fade_in")
if(effect.hasRasgueado):
effects.append("bfx:has_rasgueado")
if(effect.vibrato):
effects.append("bfx:vibrato")
# complex effects
# mixTableChange # IGNORE
if(effect.pickStroke.value>0):
# 0 (off) 1 (up) 2 (down)
effects.append("bfx:pick_stroke:%s" % effect.pickStroke.value)
if(effect.slapEffect.value>0):
# 0,1,2,3
effects.append("bfx:slap_effect:%s" % effect.slapEffect.value)
if(effect.stroke.direction.value>0 and effect.stroke.value>0):
# direction: 0 (off) 1 (up) 2 (down)
# value: an amount of time
effects.append("bfx:stroke:%s:%s" % (effect.stroke.direction.value, effect.stroke.value))
# tremoloBar
if(effect.tremoloBar):
# treat it the same as bend I think ----
# type
# - 0 nothing
# - 1 simple bend
# - 2 bendRelease
# - 3 bendRelesaeBend
# - 4 preBend
# - 5 prebendRelease
# - 6 Tremolo dip
# - 7 Dive bar
# - 8 relesaeUp
# - 9 invertedDip
# - 10 return bar
# - 11 release bar
# value 100?
# points:
# BendPoint (up to 4 bend points)
# - position
# - value (0-6) quartertones
# - vibrato true/false
# - BendPoint.getTime
tremoloBar = "bfx:tremolo_bar:type%s"% effect.tremoloBar.type.value
for points in effect.tremoloBar.points:
tremoloBar += ":pos%s:val%s:vib%s" % (points.position, points.value, int(points.vibrato))
effects.append(tremoloBar)
# TEMPO
if(effect.mixTableChange and effect.mixTableChange.tempo):
#if(effect.mixTableChange.tempo.value != tempo):
# could be a change in tempo, or could be the same tempo. no harm if it's the same tempo.
effects.append("bfx:tempo_change:%s"% roundtempo(effect.mixTableChange.tempo.value))
if(effect.mixTableChange.tempo.duration>0):
# start speeding up or slowing down into the next tempo marker
# the duration amount doesn't really matter
# because it always goes until the next tempo marker
effects.append("bfx:tempo_interpolation")
return effects
# take a list of bfx tokens and modify the beateffect
# give it beat.effect and a list
def tokens_to_beat_effect(effect, bfx_tokens):
for token in bfx_tokens:
# DadaGP v1.1 begin ====>
token = unsplit_fx(token) # convert v1.1 format (dict with param tokens) to v1.0 (long string)
# <==== DadaGP v1.1 end
t = token.split(":")
if(t[0]!="bfx"):
# the first part of the token should be bfx, if it's not, it shouldn't be here, ignore it
print("This token shouldn't be here, it's not a BFX", token)
continue
if t[1]=="fade_in":
effect.fadeIn = True
elif t[1]=="has_rasgueado":
effect.hasRasgueado = True
elif t[1]=="vibrato":
effect.vibrato = True
elif t[1]=="pick_stroke":
effect.pickStroke = gp.BeatStroke()
effect.pickStroke.direction = gp.BeatStrokeDirection(int(t[2]))
elif t[1]=="slap_effect":
effect.slapEffect = gp.SlapEffect(int(t[2]))
elif t[1]=="stroke":
effect.stroke = gp.BeatStroke()
effect.stroke.direction = gp.BeatStrokeDirection(int(t[2]))
effect.stroke.value = int(t[3])
elif t[1]=="tremolo_bar":
effect.tremoloBar = gp.BendEffect()
effect.tremoloBar.type = gp.BendType(int(t[2][4:]))
# tremoloBar += ":pos%s:val%s:vib%s" % (points.position, points.value, int(points.vibrato))
effect.tremoloBar.points = []
effect.tremoloBar.value = 50
# should only be a multiple of 3
assert len(t)%3==0, "Tremolo effect token has a typo. %s" % token
num_points = int((len(t)-3)/3)
# for each triplet, create a point:
for p in range(num_points):
point = guitarpro.models.BendPoint()
point.position = int(t[3+p*3][3:])
point.value = int(t[4+p*3][3:])
point.vibrato = t[5+p*3][3:]==1
effect.tremoloBar.points.append(point)
elif t[1]=="tempo_change":
if(not effect.mixTableChange):
# if there's no mixTableChange on this effect, add it
effect.mixTableChange = gp.MixTableChange()
if(not effect.mixTableChange.tempo):
# default: zero duration means no change in tempo
effect.mixTableChange.tempo = gp.MixTableItem(value=int(t[2]), duration=0, allTracks=False)
effect.mixTableChange.tempo.value = int(t[2])
elif t[1]=="tempo_interpolation":
if(not effect.mixTableChange):
effect.mixTableChange = gp.MixTableChange()
if(not effect.mixTableChange.tempo):
# the default tempo needs to be whatever the current tempo is
# I don't know what it is inside of this function.
# There needs to be another runthrough that corrects these values.
effect.mixTableChange.tempo = gp.MixTableItem(value=120, duration=0, allTracks=False)
# this acceleration/deceleration is supposed to last until the next tempo marker
# I don't know how long that is, from inside of this function.
# There needs to be another runthrough that corrects the current tempo and duration
effect.mixTableChange.tempo.duration=1
# Given a NoteEffect object, returns a list of note effect tokens
def note_effect_list(effect):
effects = []
# simple effects true/false
# accentuatedNote, ghostNote, hammer, heavyAccentuatedNote, letRing, palmMute, staccato, vibrato
if(effect.accentuatedNote):
effects.append("nfx:accentuated_note")
if(effect.ghostNote):
effects.append("nfx:ghost_note")
if(effect.hammer):
effects.append("nfx:hammer")
if(effect.heavyAccentuatedNote):
effects.append("nfx:heavy_accentuated_note")
if(effect.letRing):
effects.append("nfx:let_ring")
if(effect.palmMute):
effects.append("nfx:palm_mute")
if(effect.staccato):
effects.append("nfx:staccato")
if(effect.vibrato):
effects.append("nfx:vibrato")
# complex effects
if(effect.bend):
# type
# - 0 nothing
# - 1 simple bend
# - 2 bendRelease
# - 3 bendRelesaeBend
# - 4 preBend
# - 5 prebendRelease
# - 6 Tremolo dip
# - 7 Dive bar
# - 8 relesaeUp
# - 9 invertedDip
# - 10 return bar
# - 11 release bar
# value 100?
# points:
# BendPoint (up to 4 bend points)
# - position
# - value (0-6) quartertones
# - vibrato true/false
# - BendPoint.getTime
bend = "nfx:bend:type%s"% effect.bend.type.value
for points in effect.bend.points:
bend += ":pos%s:val%s:vib%s" % (points.position, points.value, int(points.vibrato))
effects.append(bend)
if(effect.grace):
# duration number
# fret number
# isDead true/false
# isOnBeat true/false
# transition 0,1,2,3
effects.append("nfx:grace:fret%s:duration%s:dead%s:beat%s:transition%s" % (effect.grace.fret,
effect.grace.duration,
int(effect.grace.isDead),
int(effect.grace.isOnBeat),
effect.grace.transition.value))
if(effect.harmonic):
# type = 1 natural harmonic
# type = 2 artificial harmonic (pitch.value, octave.quindicesima)
# type = 3 tapped harmonic
# type = 4 pinch harmonic
# type = 5 semi harmonic
if(effect.harmonic.type==2):
harmonic = "nfx:harmonic:%s:pitch%s:octave%s" % (effect.harmonic.type,
effect.harmonic.pitch.value,
effect.harmonic.octave.value)
elif(effect.harmonic.type==3):
harmonic = "nfx:harmonic:%s:fret%s" % (effect.harmonic.type,
effect.harmonic.fret)
else:
harmonic = "nfx:harmonic:%s" % effect.harmonic.type
effects.append(harmonic)
# leftHandFinger -- ignoring it
# rightHandFinger -- ignoring it
if(effect.slides):
# you can have multiple slides
# [<SlideType.shiftSlideTo: 1>]
"""intoFromAbove = -2
intoFromBelow = -1
none = 0
shiftSlideTo = 1
legatoSlideTo = 2
outDownwards = 3
outUpwards = 4
"""
for slide in effect.slides:
effects.append("nfx:slide:%s" % slide.value)
if(effect.tremoloPicking):
# duration (how fast the picking happens)
effects.append("nfx:tremoloPicking:duration%s" % effect.tremoloPicking.duration.time)
if(effect.trill):
# (switching between two notes really fast)
# fret number
# duration (how fast the switching happens)
effects.append("nfx:trill:fret%s:duration%s" % (effect.trill.fret, effect.trill.duration.time))
return effects
# take a list of nfx tokens and modify the note effect
# give it note and a list
def tokens_to_note_effect(note, nfx_tokens):
effect = note.effect
for token in nfx_tokens:
# DadaGP v1.1 begin ====>
token = unsplit_fx(token) # convert v1.1 format (dict with param tokens) to v1.0 (long string)
# <==== DadaGP v1.1 end
t = token.split(":")
if(t[0]!="nfx"):
# the first part of the token should be nfx, if it's not, it shouldn't be here, ignore it
print("This token shouldn't be here, it's not a NFX", token)
continue
if t[1]=="tie":
note.type = gp.NoteType(2)
elif t[1]=="dead":
note.type = gp.NoteType(3)
elif t[1]=="accentuated_note":
effect.accentuatedNote = True
elif t[1]=="ghost_note":
effect.ghostNote = True
elif t[1]=="hammer":
effect.hammer = True
elif t[1]=="heavy_accentuated_note":
effect.heavyAccentuatedNote = True
elif t[1]=="let_ring":
effect.letRing = True
elif t[1]=="palm_mute":
effect.palmMute = True
elif t[1]=="staccato":
effect.staccato = True
elif t[1]=="vibrato":
effect.vibrato = True
elif t[1]=="bend":
#print("bend effect")
effect.bend = gp.BendEffect()
effect.bend.type = gp.BendType(int(t[2][4:]))
# bend += ":pos%s:val%s:vib%s" % (points.position, points.value, int(points.vibrato))
effect.bend.points = []
effect.bend.value = 50
# should only be a multiple of 3
assert len(t)%3==0, "Bend effect token has a typo. %s" % token
num_points = int((len(t)-3)/3)
# for each triplet, create a point:
for p in range(num_points):
point = guitarpro.models.BendPoint()
point.position = int(t[3+p*3][3:])
point.value = int(t[4+p*3][3:])
point.vibrato = int(t[5+p*3][3:])==1
effect.bend.points.append(point)
#print(effect.bend)
elif t[1]=="grace":
# duration number
# fret number
# isDead true/false
# isOnBeat true/false
# transition 0,1,2,3
# effects.append("nfx:grace:fret%s:duration%s:dead%s:beat%s:transition%s" % (effect.grace.fret,
# effect.grace.duration,
# int(effect.grace.isDead),
# int(effect.grace.isOnBeat),
# effect.grace.transition.value))
effect.grace = gp.GraceEffect()
#print(token)
#print(int(t[2][4:]))
effect.grace.fret = max(0,int(t[2][4:])) # sometimes fret can be below zero?
effect.grace.duration = int(t[3][8:])
effect.grace.isDead = int(t[4][4:])
effect.grace.isOnBeat = int(t[5][4:])
effect.grace.transition = gp.GraceEffectTransition(int(t[6][10:]))
elif t[1]=="harmonic":
harmonic_type = int(t[2])
if(harmonic_type==1):
effect.harmonic = gp.NaturalHarmonic()
elif(harmonic_type==2):
effect.harmonic = gp.ArtificialHarmonic()
effect.harmonic.pitch = gp.PitchClass(int(t[3][5:]))
effect.harmonic.octave = gp.Octave(int(t[4][6:]))
elif(harmonic_type==3):
fret = int(t[3][4:])
effect.harmonic = gp.TappedHarmonic(fret=fret)
elif(harmonic_type==4):
effect.harmonic = gp.PinchHarmonic()
elif(harmonic_type==5):
effect.harmonic = gp.SemiHarmonic()
elif t[1]=="slide":
slide = gp.SlideType(int(t[2]))
effect.slides.append(slide)
elif t[1]=="tremolo_picking":
effect.tremoloPicking = gp.TremoloPickingEffect()
effect.tremoloPicking.duration = gp.Duration.fromTime(int(t[2][8:]))
print(token)
elif t[1]=="trill":
effect.trill = gp.TrillEffect()
effect.trill.fret = int(t[2][4:])
effect.trill.duration = gp.Duration.fromTime(int(t[3][8:]))
# Return the instrument token prefix for notes
# If there are multiple drums tracks, they will all return the same prefix "drums"
# the same goes for leads and pads
def get_instrument_token_prefix(track, tracks_by_group):
if(track in tracks_by_group["drums"]):
return "drums"
elif(track in tracks_by_group["bass"]):
return "bass"
elif(track in tracks_by_group["leads"]):
return "leads"
elif(track in tracks_by_group["pads"]):
return "pads"
elif(track in tracks_by_group["remove"]):
return "remove"
elif(track in tracks_by_group["distorted"]):
for i,test in enumerate(tracks_by_group["distorted"]):
if(track==test):
return "distorted%s" % i
elif(track in tracks_by_group["clean"]):
for i,test in enumerate(tracks_by_group["clean"]):
if(track==test):
return "clean%s" % i
else:
print(track)
assert False, "This track doesn't belong to a group"
# test
# for t,track in enumerate(song.tracks):
# print(t, get_instrument_token_prefix(track, tracks_by_group))
# I'm trying to insert a new note or rest (event) into the current list of events for this measure.
# Test if there is already a note in this spot (same beat/instrument/fret)
# If I'm inserting a note:
# If there is a note there, return false
# If there is a rest there, return true, and remove the rest (NOTE: THIS FUNCTION MUTATES events_this_measure)
# If there is nothing there, return true
# If I'm inserting a rest:
# If there's a note or rest there, return false
# If there's nothing there, return true
def oops_theres_a_note_here(new_event, events_this_measure, verbose=False):
assert new_event["type"] in ["note" ,"rest"] , "Only notes or rests should call this function"
# Look through all the events this measure
# If a conflicting note is discovered, return False
# If a conflicting rest is discovered, delete it.
# If there is no conflict, at the end of the loop, return True
# warning: do not use enumerate, because i'll be using del to remove rest events
i = 0
while i<len(events_this_measure):
event = events_this_measure[i]
if event["start"]==new_event["start"] \
and event["type"] in ["note", "rest"] \
and event["instrument_prefix"] == new_event["instrument_prefix"]:
# Found an note or rest at the same time on the same instrument.
if event["type"]=="note":
# Found a note
if(new_event["type"]=="rest"):
# I was trying to insert a rest. Ignore my rest because there's already a note.
verbose and print("I was trying to insert a rest. Ignore my rest because there's already a note.")
verbose and print(event,new_event)
return False
if(new_event["type"]=="note"):
# I am trying to insert a note.
if(event["instrument_prefix"]=="drums"):
# Ignore drum strings for now.
# With drums, fret == midinumber.
# But you can't have two drums of the same midinumber.
# HMM: I think you can only have 6 simultaneous drums max.
# That's okay. Just leave the extra drums if they exist.. deal with it when rebuilding GP file.
if(event["fret"]==new_event["fret"]):
# This drum is already being played
verbose and print("This drum note is already being played. Ignore my note.")
verbose and print(event,new_event)
return False
else:
# Melodic instruments can only have one note per string
if(new_event["string"]==event["string"]):
# There's already a note on this string. Ignore my note.
verbose and print("There's already a note on this string. Ignore my note.")
verbose and print(event,new_event)
return False
else:
# Don't return true yet. There could still be a note on this string.
pass
elif event["type"]=="rest":
# Found a rest
if(new_event["type"]=="note"):
# I want to insert a note here.
# Remove the rest.
verbose and print(" I want to insert a note here. Remove the rest") ####
# Will this really work I'm kind of scared
del events_this_measure[i]
continue
# careful, this is tricky, deleting elements from a list while iterating
# the continue avoids the i += 1 at the end of the loop
# Should I return true now to insert my note?
# In theory, there would only be a rest here, if there were no other rests and no other notes
# return True
elif(new_event["type"]=="rest"):
# I watn to insert a rest, and there's already a rest here.
# Do nothing.
verbose and print("I wanted to insert a rest, but there's already a rest here. ")
verbose and print(event,new_event)
return False
# okay now handle cases where a note was already playing on the same instrument
elif event["type"] in ["note"] \
and event["start"]+event["duration"]>new_event["start"] \
and event["instrument_prefix"] == new_event["instrument_prefix"]:
# A note was already playing
if(new_event["type"]=="rest"):
# I'm trying to insert a rest, but notes are alread playing.
# Ignore my new rest.
verbose and print("I was trying to insert a rest. There's already a note playing though.")
return False
elif(new_event["type"]=="note"):
# I'm trying to insert a note where a note was already playing
if(event["instrument_prefix"]=="drums"):
# don't deny the new note. drum hits dont interefere with each other in this way
pass
else:
if(new_event["string"]==event["string"]):
# New note on same string.
# Don't deny the new note. Sorry old note, you're getting overwritten.
pass
else:
# A note is already playing on this string.
# If I accept the new note, it will silence the old note's ringing out.
# This ends up sounding choppy.
# Instead, I will let the old note ring out with let_ring note effect
# (note: we could also add a repeat of that note, and tie it, to ring it out, but I think this is more complicated)
# Add let_ring to the old event's notefx
#print("added let_ring")
#if "nfx:let_ring" not in event["effects"]:
# event["effects"].append("nfx:let_ring")
pass
i += 1
return True # found no conflicts
# I'm trying to insert a new beatfx (event) into the current list of events for this measure.
# Test if there are already beatfx of the same type.
# Return a list of non-contradicting beatfx tokens
def oops_theres_a_conflicting_beatfx(new_event, events_this_measure):
assert new_event["type"] == "beatfx" , "Only notes or rests should call this function"
# Build a list of non-contracting beatfx tokens
new_effects = []
for i,event in enumerate(events_this_measure):
if event["start"]==new_event["start"] \
and event["type"] == ["beatfx"] \
and event["instrument_prefix"] == new_event["instrument_prefix"]:
# There was already a beatfx event with effects in the same beat on the same instrument
# Loop through my new effects, see which ones we can keep
for b1,effect1 in enumerate(new_event["beatfx"]):
# because bfx follow the format bfx_name[_params..] we can compare contradictory tokens by name
es1 = effect1.split(":")
passes = True
for b2,effect2 in enumerate(event["beatfx"]):
es2 = effect2.split(":")
if(es1[0]==es2[0] and es1[1]==es2[1]):
# There's already a bfx with the same name.
# Ignore this effect
passes = False
break
if(passes):
# Ok there were no contradictions
new_effects.append(effect1)
return new_effects
# CALCULATING FRET VALUES
# offset is the capo
# it affects all note values
# (don't use pyguitarpro's "realValue" because it ignores offset)
# (note value zero means an open note at the capo)
# D standard: String 6 midinote = 38
# E standard: String 6 midinote = 40
# offset 0, note value 0, string 6, E-Standard, is E, realValue 40
# offset 0, note value 2, string 6, E-Standard, is F#, realValue 42 # Windowpane (2).gp3
# offset 2, note value 0, string 6, E-Standard, is F#, realValue 40 # Windowpane (3).gp4
# offset 2, note value 2, string 6, D-Standard, is F#, realValue 40 # Windowpane.gp3
# offset 0, note value 2, string 5, E-Standard, is B, realValue 47
# offset 0, note value 4, string 5, E-Standard, is C#, realValue 49 # Windowpane (2).gp3
# offset 2, note value 2, string 5, E-Standard, is C#, realValue 47 # Windowpane (3).gp4
# offset 2, note value 4, string 5, D-Standard, is C#, realValue 47 # Windowpane.gp3
# Calculate the (E-standardized) fret number
# Adjust by tuning and offset and pitch_shift
# Drop tunings use frets -1 and -2
def get_fret(note, track, pitch_shift):
# note.string -- 1st string is the highest string
# note.value -- supposedly the fret number but not quite
# note.realValue -- midinote number (don't use this, it ignores offset)
# pitch_shift --- the instruments have been downtuned this many pitches
# track.offset -- there is a capo on this fret
# len(track.strings) -- number of strings
# track.strings[0].value -- midinote number of 0th string (highest string)
string = note.string
instrument_group = get_instrument_group(track)
strings = [str(s) for s in track.strings]
#print(instrument_group, strings)
if(instrument_group=="drums"):
return note.value # this is supposed to be equivalent to the midinote number of the drum hit
tuning = get_tuning_type(instrument_group,strings)
drop_shift = 0
if instrument_group=="bass":
if tuning=="b4_drop":
if string==4:
drop_shift = 2
else:
# everything else is treated like a guitar
if tuning=="g6_drop" or tuning=="g7_drop":
if string==6 or string==7:
drop_shift = 2
# print(instrument_group, tuning, string, drop_shift)
# Okay finally
# The (E-standardized) fret number is the GP note value, minus any drop tuning pitches,
return note.value + track.offset - drop_shift
#note = song.tracks[0].measures[139].voices[0].beats[0].notes[0]
#print(note)
#get_fret(note, song.tracks[0], pitch_shift)
# supported_times = [0]
# for i in range(0,10000):
# try:
# y = gp.models.Duration.fromTime(i)
# supported_times.append(i)
# except:
# continue
supported_times = [3, 5, 6, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 192, 240, 288, 320, 360, 384, 480, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3072, 3840, 5760]
# time duration may be an int or Fraction
# if it is a supported time duration, it will return itself
# if it is not, it will find a neighboring duration that is supported
def convert_to_nearest_supported_time(x):
if(x==0):
return 0
for i in range(1,len(supported_times)):
t = supported_times[i]
if t > x:
t_larger = t
t_smaller = supported_times[i-1]
if(t_larger - x < x - t_smaller):
return t_larger
else:
return t_smaller
# x is too large.
# return the max(?)
return 5760
assert convert_to_nearest_supported_time(Fraction(99/3)) == 30
assert convert_to_nearest_supported_time(99/3) == 30
assert convert_to_nearest_supported_time(480) == 480
assert convert_to_nearest_supported_time(480.1) == 480
assert convert_to_nearest_supported_time(481) == 480
assert convert_to_nearest_supported_time(920*1000) == 5760 ## if duration is too large, use the max supported duration
# Takes a GP file, converts to token format
def guitarpro2tokens(song, artist, verbose=False):
# - Map every track in song to an instrument group
# - Remove SoundFX tracks
# - Throw error if any track has an instrument change event in mixTable
# - Throw error if song has more than 3 distorted guitars, 2 clean guitars, or 1 bass