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
|
#! /usr/bin/env python
# added frequency modulation genertor
# audioOut write a wave file if a string is given as argument
orchlines = []
scorelines = []
instrlist = []
fnum = [100]
"""XXX: This function seems to be broken. (CSA)
def quit(self):
perf.Stop()
perf.Join()
cs.Reset()
cs = None
"""
def defAdsr(attack=0.01, decay=0.1, sustain=0.8, release=0.1):
"""Define an ADSR envelope. fnum = defADSR(attack = [0.01], decay = [0.1], sustain = [0.8], release = [0.1])"""
att = int(2048 * attack)
dec = int(2048 * decay)
rel = int(2048 * release)
bal = 2048 - (att + dec + rel)
sus = min(1., sustain)
fnum[0] += 1
scorelines.append("f%ld 0 2048 7 0 %ld 1. %ld %f %ld %f %ld 0\n" % (fnum[0], att, dec, sus, bal, sus, rel))
return fnum[0]
def defLineSegments(list=[0,10,1,10,0,10,1,10,0]):
"""Define a breakpoints envelope. list=[0,10,1,10,0,10,1,10,0]. list begin with the start value of the function and is follow by any pair values (duration, value). The number of elements in the list should odd."""
totalLength = 0
newlist = []
for i in range(len(list)):
if (i % 2) == 1:
totalLength += list[i]
for i in range(len(list)):
if (i % 2) == 0: newlist.append(list[i])
else: newlist.append(int(2048 * (list[i] / float(totalLength))))
fnum[0] += 1
scorelines.append("f" + str(fnum[0]) + " 0 2048 -7 " + " ".join([str(n) for n in newlist]) + '\n')
return fnum[0]
def defComplexWave(list=[1,0,0,.3,0,.2,0,0,.1]):
"""Define a complex waveform to be read with 'playComplex' function. list=[1,0,0,.3,0,.2,0,0,.1]
is a list of amplitude for succesive harmonics of a waveform"""
fnum[0] += 1
scorelines.append("f" + str(fnum[0]) + " 0 2048 10 " + " ".join([str(n) for n in list]) + '\n')
return fnum[0]
def playSine( pitch=1000, amplitude=5000, duration=1, starttime=0, pitch_envelope='default', amplitude_envelope='default'):
"""Play a sine wave (pitch = [1000], amplitude = [5000], duration = [1], starttime = [0], pitch_envelope=['default'], amplitude_envelope=['default'])"""
_play(pitch, amplitude, duration, starttime, pitch_envelope, amplitude_envelope, 1)
def playSquare( pitch=1000, amplitude=5000, duration=1, starttime=0, pitch_envelope='default', amplitude_envelope='default'):
"""Play a square wave (pitch = [1000], amplitude = [5000], duration = [1], starttime = [0], pitch_envelope=['default'], amplitude_envelope=['default'])"""
_play(pitch, amplitude, duration, starttime, pitch_envelope, amplitude_envelope, 2)
def playSawtooth( pitch=1000, amplitude=5000, duration=1, starttime=0, pitch_envelope='default', amplitude_envelope='default'):
"""Play a sawtooth wave (pitch = [1000], amplitude = [5000], duration = [1], starttime = [0], pitch_envelope=['default'], amplitude_envelope=['default'])"""
_play(pitch, amplitude, duration, starttime, pitch_envelope, amplitude_envelope, 3)
def playComplex( pitch=1000, amplitude=5000, duration=1, starttime=0, pitch_envelope='default', amplitude_envelope='default', wave='default'):
"""Play a complex wave (pitch = [1000], amplitude = [5000], duration = [1], starttime = [0], pitch_envelope = ['default'], amplitude_envelope, wave = ['default'] )"""
if wave == 'default': wavetable = 10
else: wavetable = wave
_play(pitch, amplitude, duration, starttime, pitch_envelope, amplitude_envelope, wavetable)
def _play( pitch, amplitude, duration, starttime, pitch_envelope, amplitude_envelope, instrument):
if pitch_envelope == 'default': pitenv = 99
else: pitenv = pitch_envelope
if amplitude_envelope == 'default': ampenv = 100
else: ampenv = amplitude_envelope
if not 1 in instrlist:
orchlines.append("instr 1\n")
orchlines.append("kpitenv oscil 1, 1/p3, p6\n")
orchlines.append("aenv oscil 1, 1/p3, p7\n")
orchlines.append("asig oscil p5*aenv, p4*kpitenv, p8\n")
orchlines.append("out asig\n")
orchlines.append("endin\n\n")
instrlist.append(1)
scorelines.append("i1 %s %s %s %s %s %s %s\n" % (str(starttime), str(duration), str(pitch), str(amplitude), str(pitenv), str(ampenv), str(instrument)))
def playFrequencyModulation( pitch=500, amplitude=5000, duration=2, starttime=0, carrier=1, modulator=.5, index=5, pitch_envelope='default', amplitude_envelope='default', carrier_envelope='default', modulator_envelope='default', index_envelope='default', wave='default'):
"""Play a frequency modulation synthesis sound (pitch = [100], amplitude = [5000], duration = [2], starttime = [0], carrier = [1], modulator = [.5], index = [5], pitch_envelope = ['default'], amplitude_envelope = ['default'], carrier_envelope = ['default'], modulator_envelope = ['default'], index_envelope = ['default'], wave = ['default'] )"""
if pitch_envelope == 'default': pitenv = 99
else: pitenv = pitch_envelope
if amplitude_envelope == 'default': ampenv = 100
else: ampenv = amplitude_envelope
if carrier_envelope == 'default': carenv = 99
else: carenv = carrier_envelope
if modulator_envelope == 'default': modenv = 99
else: modenv = modulator_envelope
if index_envelope == 'default': indenv = 99
else: indenv = index_envelope
if wave == 'default': wavetable = 1
else: wavetable = wave
if not 7 in instrlist:
orchlines.append("instr 7\n")
orchlines.append("kpitenv oscil 1, 1/p3, p10\n")
orchlines.append("kenv oscil 1, 1/p3, p11\n")
orchlines.append("kcarenv oscil 1, 1/p3, p12\n")
orchlines.append("kmodenv oscil 1, 1/p3, p13\n")
orchlines.append("kindenv oscil 1, 1/p3, p14\n")
orchlines.append("asig foscil p5*kenv, p4*kpitenv, p6*kcarenv, p7*kmodenv, p8*kindenv, p9\n")
orchlines.append("out asig\n")
orchlines.append("endin\n\n")
instrlist.append(7)
scorelines.append("i7 %s %s %s %s %s %s %s %s %s %s %s %s %s\n" % (str(starttime), str(duration), str(pitch), str(amplitude), str(carrier), str(modulator), str(index), str(wavetable), str(pitenv), str(ampenv), str(carenv), str(modenv), str(indenv)))
def playPluck( pitch=100, amplitude=5000, duration=2, starttime=0, pitch_envelope='default', amplitude_envelope='default'):
"""Play a string physical modeling sound (pitch = [100], amplitude = [5000], duration = [2], starttime = [0], pitch_envelope = ['default'], amplitude_envelope )"""
if pitch_envelope == 'default': pitenv = 99
else: pitenv = pitch_envelope
if amplitude_envelope == 'default': ampenv = 100
else: ampenv = amplitude_envelope
if not 8 in instrlist:
orchlines.append("instr 8\n")
orchlines.append("kpitenv oscil 1, 1/p3, p6\n")
orchlines.append("kenv oscil 1, 1/p3, p7\n")
orchlines.append("asig pluck p5*kenv, p4*kpitenv, 40, 0, 6\n")
orchlines.append("asig butterlp asig, 4000\n")
orchlines.append("out asig\n")
orchlines.append("endin\n\n")
instrlist.append(8)
scorelines.append("i8 %s %s %s %s %s %s\n" % (str(starttime), str(duration), str(pitch), str(amplitude), str(pitenv), str(ampenv)))
def playWave(sound='horse', pitch=1, amplitude=1, loop=False, duration=1, starttime=0, pitch_envelope='default', amplitude_envelope='default'):
"""Play a wave file (sound = ['horse'], pitch = [1], amplitude = [1], loop = [False], duration = [1], starttime = [0], pitch_envelope=['default'], amplitude_envelope=['default'])"""
fullname = '/usr/share/activities/TamTamEdit.activity/common/Resources/Sounds/' + str(sound)
if loop == False: lp = 0
else: lp = 1
if pitch_envelope == 'default': pitenv = 99
else: pitenv = pitch_envelope
if amplitude_envelope == 'default': ampenv = 100
else: ampenv = amplitude_envelope
if not 9 in instrlist:
orchlines.append("instr 9\n")
orchlines.append("kpitenv oscil 1, 1/p3, p8\n")
orchlines.append("aenv oscil 1, 1/p3, p9\n")
orchlines.append("asig diskin p4, p5*kpitenv, 0, p7\n")
orchlines.append("out asig*p6*aenv\n")
orchlines.append("endin\n\n")
instrlist.append(9)
scorelines.append('i9 %f %f "%s" %s %s %s %s %s\n' % (float(starttime), float(duration), fullname, str(pitch), str(amplitude), str(lp), str(pitenv), str(ampenv)))
def getSoundList():
import os
return sorted(os.listdir('/usr/share/activities/TamTamEdit.activity/common/Resources/Sounds/'))
temp_path=None
def audioOut(file=None):
"""Compile a .csd file and start csound to run it. If a string is given as argument, it write a wave file on disk instead of sending sound to hp. (file = [None])"""
global temp_path
import os
if temp_path is None:
from sugar import env
import os.path
temp_path = env.get_profile_path() + '/pippy'
if not os.path.isdir(temp_path):
os.mkdir(temp_path)
path = temp_path
csd = open(path + "/temp.csd", "w")
csd.write("<CsoundSynthesizer>\n\n")
csd.write("<CsOptions>\n")
if file == None:
csd.write("-+rtaudio=alsa -odevaudio -m0 -d -b256 -B512\n")
else:
file = path + "/" + str(file) + ".wav"
csd.write("-+rtaudio=alsa -o%s -m0 -W -d -b256 -B512\n" % file)
csd.write("</CsOptions>\n\n")
csd.write("<CsInstruments>\n\n")
csd.write("sr=16000\n")
csd.write("ksmps=50\n")
csd.write("nchnls=1\n\n")
for line in orchlines:
csd.write(line)
csd.write("\n</CsInstruments>\n\n")
csd.write("<CsScore>\n\n")
csd.write("f1 0 2048 10 1\n")
csd.write("f2 0 2048 10 1 0 .33 0 .2 0 .143 0 .111\n")
csd.write("f3 0 2048 10 1 .5 .33 .25 .2 .175 .143 .125 .111 .1\n")
csd.write("f10 0 2048 10 1 0 0 .3 0 .2 0 0 .1\n")
csd.write("f99 0 2048 7 1 2048 1\n")
csd.write("f100 0 2048 7 0. 10 1. 1900 1. 132 0.\n")
for line in scorelines:
csd.write(line)
csd.write("e\n")
csd.write("\n</CsScore>\n")
csd.write("\n</CsoundSynthesizer>")
csd.close()
os.system('csound ' + path + '/temp.csd >/dev/null 2>/dev/null')
|
