-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathkeyboard.py
224 lines (191 loc) · 8.13 KB
/
keyboard.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
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import pygame, fluidsynth
from pygame.locals import *
import fluidsynth
# Pro scale generator
def generate_scale(tone):
return [tone,tone+3,tone+5,tone+6,tone+7,tone+10,tone+11,tone+12]
def play_chord(start, fs, rNote, settings = {'major':0, 'minor':0, '7':0}, pitch = 0):
rNote = rNote + pitch
chord = [rNote, rNote+7]
if settings['major']:
chord.insert(1,rNote+4)
if settings['minor']: chord.insert(1,rNote+3)
if settings['7']: chord.append(rNote+10)
if start:
for note in chord:
fs.noteon(0, note, 127)
else:
for note in chord:
fs.noteoff(0,note)
# FluidSynt init
fs = fluidsynth.Synth(0.2,48000)
fs.start('alsa')
# Set instrument
inst = fs.sfload("yamahagrandpiano44.sf2")
fs.program_select(0, inst, 0, 0)
# Pygame init
pygame.display.set_mode((1,1))
pygame.init()
running = True
# WIP
bTone = generate_scale(50) # Bass
mTone = generate_scale(50+12) # Mid
hTone = generate_scale(50+24) # High
chord_settings = {'major':0, 'minor':0, '7':0}
# True = Chords; False = Walking Bass
chord_walking = True
## Key bindings
## A,S,D,F = chords; default: root + fifth
## Q,W,E,R = major
## Y,X,C,V = minor
## SHIFT = seventh chord modifier?
# A ... I
# S ... IV
# D ... V
# F ... uhh...chord that falls down to dominant?
## G-Ž = blues scale
# Z ... Supertonic
# U ... Mediant
# O ... Submediant flat?
while running:
for event in pygame.event.get():
if event.type == KEYDOWN:
print event
# Play chords
if event.key == 49:
chord_walking = True
# Play Walking Bass Progression
if event.key == 50:
chord_walking = False
# Seventh modifier
if event.key == 304:
chord_settings['7'] = not chord_settings['7']
# Major chords
if event.key == K_q:
chord_settings['major']=1
play_chord(1,fs,bTone[0],chord_settings)
chord_settings['major']=0
if event.key == K_w:
chord_settings['major']=1
play_chord(1,fs,bTone[2],chord_settings)
chord_settings['major']=0
if event.key == K_e:
chord_settings['major']=1
play_chord(1,fs,bTone[4],chord_settings)
chord_settings['major']=0
if event.key == K_r:
chord_settings['major']=1
play_chord(1,fs,bTone[4]+1,chord_settings)
chord_settings['major']=0
# Root + Fifth Chords
if event.key == K_a: play_chord(1, fs, bTone[0], chord_settings)
if event.key == K_s: play_chord(1, fs, bTone[2], chord_settings)
if event.key == K_d: play_chord(1, fs, bTone[4], chord_settings)
if event.key == K_f: play_chord(1, fs, bTone[4]+1,chord_settings)
# Minor Chords and Walking Bass
if event.key == 60 and not chord_walking: # key: <
fs.noteon(0, bTone[0],127)
if event.key == K_y:
if chord_walking:
chord_settings['minor']=1
play_chord(1,fs,bTone[0],chord_settings)
chord_settings['minor']=0
else: fs.noteon(0, bTone[1]+1, 127)
if event.key == K_x:
if chord_walking:
chord_settings['minor']=1
play_chord(1,fs,bTone[2],chord_settings)
chord_settings['minor']=0
else: fs.noteon(0, bTone[4], 127)
if event.key == K_c:
if chord_walking:
chord_settings['minor']=1
play_chord(1,fs,bTone[4],chord_settings)
chord_settings['minor']=0
else: fs.noteon(0, bTone[4]+2, 127)
if event.key == K_v:
if chord_walking:
chord_settings['minor']=1
play_chord(1,fs,bTone[4]+1,chord_settings)
chord_settings['minor']=0
else: fs.noteon(0,bTone[5],127)
# Scale
if event.key == K_g: fs.noteon(0, mTone[0], 127)
if event.key == K_z: fs.noteon(0, mTone[1]-1, 127)
if event.key == K_h: fs.noteon(0, mTone[1], 127)
if event.key == K_u: fs.noteon(0, mTone[1]+1, 127)
if event.key == K_j: fs.noteon(0, mTone[2], 127)
if event.key == K_k: fs.noteon(0, mTone[3], 127)
if event.key == K_l: fs.noteon(0, mTone[4], 127)
if event.key == K_p: fs.noteon(0, mTone[4]+1, 127)
if event.key == 232: fs.noteon(0, mTone[5], 127)
if event.key == 230: fs.noteon(0, mTone[6], 127)
if event.key == 190: fs.noteon(0, mTone[7], 127)
## QUIT
if event.key == K_ESCAPE:
pygame.quit()
running = False
elif event.type == KEYUP:
# Major Chords
if event.key == K_q:
chord_settings['major']=1
play_chord(0,fs,bTone[0],chord_settings)
chord_settings['major']=0
if event.key == K_w:
chord_settings['major']=1
play_chord(0,fs,bTone[2],chord_settings)
chord_settings['major']=0
if event.key == K_e:
chord_settings['major']=1
play_chord(0,fs,bTone[4],chord_settings)
chord_settings['major']=0
if event.key == K_r:
chord_settings['major']=1
play_chord(0,fs,bTone[4]+1,chord_settings)
chord_settings['major']=0
# Root + Fifth Chords
if event.key == K_a: play_chord(0, fs, bTone[0], chord_settings)
if event.key == K_s: play_chord(0, fs, bTone[2], chord_settings)
if event.key == K_d: play_chord(0, fs, bTone[4], chord_settings)
if event.key == K_f: play_chord(0, fs, bTone[4]+1,chord_settings)
# Minor Chords and walking bass
if event.key == 60 and not chord_walking: # key: <
fs.noteoff(0, bTone[0])
if event.key == K_y:
if chord_walking:
chord_settings['minor']=1
play_chord(0,fs,bTone[0],chord_settings)
chord_settings['minor']=0
else: fs.noteoff(0, bTone[1]+1)
if event.key == K_x:
if chord_walking:
chord_settings['minor']=1
play_chord(0,fs,bTone[2],chord_settings)
chord_settings['minor']=0
else: fs.noteoff(0, bTone[4])
if event.key == K_c:
if chord_walking:
chord_settings['minor']=1
play_chord(0,fs,bTone[4],chord_settings)
chord_settings['minor']=0
else: fs.noteoff(0, bTone[4]+2)
if event.key == K_v:
if chord_walking:
chord_settings['minor']=1
play_chord(0,fs,bTone[4]+1,chord_settings)
chord_settings['minor']=0
else: fs.noteoff(0, bTone[5])
# Scale
if event.key == K_g: fs.noteoff(0, mTone[0])
if event.key == K_z: fs.noteoff(0, mTone[1]-1)
if event.key == K_h: fs.noteoff(0, mTone[1])
if event.key == K_u: fs.noteoff(0, mTone[1]+1)
if event.key == K_j: fs.noteoff(0, mTone[2])
if event.key == K_k: fs.noteoff(0, mTone[3])
if event.key == K_l: fs.noteoff(0, mTone[4])
if event.key == K_p: fs.noteoff(0, mTone[4]+1)
if event.key == 232: fs.noteoff(0, mTone[5])
if event.key == 230: fs.noteoff(0, mTone[6])
if event.key == 190: fs.noteoff(0, mTone[7])