def play_excerpt():
global repeat_flag
current_playing_index = -1
start = 0
frame_length = 16384
samples = []
while True:
if current_playing_index == -1:
current_playing_index = current_excerpt_index
samples = read_samples()
if samples is None:
break
samples *= pow(2, 14)
start = 0
end = min(start + frame_length, len(samples))
frame = samples[start:end]
stream.write(raw_audio_string(frame))
start += frame_length
repeat_flag = False
elif current_playing_index != current_excerpt_index:
end = min(start + frame_length, len(samples))
frame = samples[start:end]
for i in xrange(len(frame)):
frame[i] *= (1.0 - float(i) / len(frame))
stream.write(raw_audio_string(frame))
start = 0
samples = read_samples()
if samples is None:
break
samples *= pow(2, 14)
current_playing_index = current_excerpt_index
repeat_flag = False
else:
end = min(start + frame_length, len(samples))
frame = samples[start:end]
# check whether it is the last frame of the excerpt
if start + frame_length >= len(samples):
enable_button()
for i in xrange(len(frame)):
frame[i] *= (1.0 - float(i) / len(frame))
stream.write(raw_audio_string(frame))
if repeat_flag == True:
start = 0
repeat_flag = False
else:
start += frame_length
sleep(1)
else:
stream.write(raw_audio_string(frame))
start += frame_length
def sleep(self, seconds):
if hasattr(self, 'wav'):
samples = fs.raw_audio_string(self.fsynth.get_samples(
int(seconds * 44100)))
self.wav.writeframes(''.join(samples))
else:
time.sleep(seconds)
def play(s): if type(s) is list: s = numpy.array(s) if type(s) is numpy.ndarray: s = raw_audio_string(s) elif type(s) is not str: s = s.getvalue() strmQueue.put(s)
def play_sound(self):
self.sound_arr = []
self.fl = fluidsynth.Synth()
self.sfid = self.fl.sfload("sound/KawaiStereoGrand.sf2")
self.pa = pyaudio.PyAudio()
self.strm = self.pa.open(
format = pyaudio.paInt16,
channels = 2,
rate = 44100,
output = True)
self.fl.program_select(0, self.sfid, 0, 0)
self.fl.noteon(self.track, self.sound_note, 127)
# Chord is held for 2 seconds
self.sound_arr = numpy.append(self.sound_arr, self.fl.get_samples(44100 * 1))
self.fl.noteoff(self.track, self.sound_note)
# Decay of chord is held for 1 second
# self.sound_arr = numpy.append(self.sound_arr, self.fl.get_samples(44100 * 1))
self.fl.delete()
self.samps = fluidsynth.raw_audio_string(self.sound_arr)
self.strm.write(self.samps)
self.strm.close()
self.pa.terminate()
def play_excerpt(path):
global play_status, check_buttons, radio_buttons
for check_button in check_buttons:
check_button['state'] = tk.DISABLED
for radio_button in radio_buttons:
radio_button['state'] = tk.DISABLED
samples = read_samples(path)
start = 0
frame_length = 16384
audio = PyAudio()
stream = audio.open(format=paInt16, channels=1, rate=44100, output=True)
while True:
end = min(len(samples), start + frame_length)
frame = samples[start:end]
stream.write(raw_audio_string(frame))
start += frame_length
if start >= len(samples):
break
play_status = False
stream.stop_stream()
stream.close()
audio.terminate()
for check_button in check_buttons:
check_button['state'] = tk.NORMAL
for radio_button in radio_buttons:
radio_button['state'] = tk.NORMAL
def main(self):
while True:
if self.eventnum < len(self.events) and self._playing:
event = self.events[self.eventnum]
self.eventnum += 1
delta = event.tick - self.time
while delta > 0:
bdelta = delta
if delta > MAXDELTA:
bdelta = MAXDELTA
self.time += bdelta
n = int(FREQ * bdelta / self.resolution * 60 / self.tempo)
s = self.fs.get_samples(n)
samps = fluidsynth.raw_audio_string(s)
self.strm.write(samps)
delta -= bdelta
self.sendUpdate()
if not self._playing:
break
self.do_event(event)
self.sendUpdate()
else:
time.sleep(0.01)
if self._abort:
return
def sleep(self, seconds):
if hasattr(self, 'wav'):
samples = fs.raw_audio_string(
self.fs.get_samples(int(seconds * 44100)))
self.wav.writeframes(''.join(samples))
else:
time.sleep(seconds)
def play_notes(*notes,velocity=100,last=False):
samples = []
notes_temp = []
notes = list(notes)
notes.sort(key=lambda n: n.rhythm.value)
for note in notes:
midi_num = note.hard_pitch + 12
fl.noteon(0,midi_num,velocity)
notes_temp.append((midi_num,note.rhythm.value))
frames = round(SAMPLE_RATE * (60 / TEMPO) * (notes[0].rhythm.value / 128))
samples = np.append(samples,fl.get_samples(frames))
previous = None
for midi_val,rhythm_val in notes_temp:
if previous:
if previous < rhythm_val:
rhythm_len = (60 / TEMPO) * (note.rhythm.value / 128)
proportion_to_prev = (rhythm_len - ((60 / TEMPO) * (previous / 128))) / rhythm_len
TurnOffLater(midi_val,(60 / TEMPO) * (note.rhythm.value / 128) * 0.9).start()
else:
fl.noteoff(0,midi_val)
else:
fl.noteoff(0,midi_val)
previous = rhythm_val
samples = np.append(samples,fl.get_samples(round(SAMPLE_RATE * (0.02 if not last else 1))))
strm.write(fluidsynth.raw_audio_string(samples))
def play_note(self, note, duration):
#self.mixer.setvolume(100)
s = []
self.synth.noteon(0, self._note_freqs.get_note_midi(note), 127)
s = numpy.append(s, self.synth.get_samples(int(44100 * duration)))
self.synth.noteoff(0, self._note_freqs.get_note_midi(note))
s = numpy.append(s, self.synth.get_samples(1))
self.pcm.write(fluidsynth.raw_audio_string(s))
def _genTunes(self):
"""
Fudging audio creation for now by just having
sounds made that all belong to
one private list
"""
self._tunes=[]
for i in xrange(10,0,-1):
s=[]
self._fl.noteon(0, 60+7*i, 120)
s = numpy.append(s, self._fl.get_samples(int(44100 * 0.3)))
self._fl.noteoff(0, 60+7*i)
self._tunes.append(fluidsynth.raw_audio_string(s))
# s=[]
#s = numpy.append(s, self._fl.get_samples(int(44100 * 0.1)))
# self._fl.noteon(0, 60, 120)
# s = numpy.append(s, self._fl.get_samples(int(44100 * 0.3)))
# self._fl.noteoff(0, 60)
#s = numpy.append(s, self._fl.get_samples(int(44100 * 0.1)))
# self._tunes.append(fluidsynth.raw_audio_string(s))
#s=[]
#self._fl.noteon(0, 67, 120)
#s = numpy.append(s, self._fl.get_samples(int(44100 * 0.3)))
#self._fl.noteoff(0, 67)
#s = numpy.append(s, self._fl.get_samples(int(44100 * 0.1)))
#self._tunes.append(fluidsynth.raw_audio_string(s))
# s=[]
#s = numpy.append(s, self._fl.get_samples(int(44100 * 0.1)))
# self._fl.noteon(0, 76, 120)
# s = numpy.append(s, self._fl.get_samples(int(44100 * 0.3)))
# self._fl.noteoff(0, 76)
#s = numpy.append(s, self._fl.get_samples(int(44100 * 0.1)))
# self._tunes.append(fluidsynth.raw_audio_string(s))
#s=[]
#s = numpy.append(s, self._fl.get_samples(int(44100 * 0.1)))
#for i in xrange(0,32,4):
# self._fl.noteon(0, 60+i, 120)
# s = numpy.append(s, self._fl.get_samples(int(44100 * 0.2)))
# self._fl.noteoff(0, i)
#for i in xrange(32,0,-4):
# self._fl.noteon(0, 60+i, 120)
# s = numpy.append(s, self._fl.get_samples(int(44100 * 0.2)))
# self._fl.noteoff(0, i)
#self._tunes.append(fluidsynth.raw_audio_string(s))
return
def main():
path_dir = '/Users/hongyu/Desktop/Test/excerpts/'
output_dir = '/Users/hongyu/Desktop/Test/excerpts-refined/'
filenames = listdir(path_dir)
for name in filenames:
if name.endswith('.wav'):
samples = read_samples(path_dir + name)
samples = add_fade_in_fade_out(samples)
fout = waveopen(output_dir + name, 'w')
fout.setframerate(44100)
fout.setnchannels(2)
fout.setsampwidth(2)
fout.writeframes(raw_audio_string(samples))
fout.close()
return
def play_notes():
"""
Pulls in note positions from javascript, creates a random
filename, and writes .wav file representing those notes.
Inputs: No direct arguments, but ...
Pulls in JSON of note positions via flask
Outputs: filename prefix (sends to javascript)
"""
data = flask.request.json
if data["notes"] == "":
return flask.jsonify(data)
rand_id = str(uuid.uuid4().hex)[:6]
note_data, _ = notei.make_note_stack(data["notes"])
s = []
fs = fluidsynth.Synth()
sfid = fs.sfload(absolute_path + "FluidR3_GM.sf2")
fs.program_select(0, sfid, 0, 0)
for tick, notes in note_data:
if notes != ["x"]:
for val in notes:
fs.noteon(0, int(val), 100)
s = np.append(s, fs.get_samples(int(44100 * 0.2)))
for val in notes:
fs.noteoff(0, int(val))
else:
s = np.append(s, fs.get_samples(int(44100 * 0.2)))
fs.delete()
samps = fluidsynth.raw_audio_string(s)
wf = wave.open(absolute_path + "static/" + rand_id + ".wav", "wb")
wf.setnchannels(2)
wf.setframerate(44100)
wf.setsampwidth(2)
wf.writeframes(b"".join(samps))
wf.close()
return flask.jsonify({"id": rand_id})
def get_audio_stream_for_note(self, note):
"""
noteon -> channel, key, velocity
"""
self.initialize()
stream = []
self.fs.noteon(0, note.value, note.velocity)
# note duration is in sec
stream = np.append(stream, self.fs.get_samples(SAMPLE_RATE * note.duration))
self.fs.noteoff(0, note.value)
# 1 sec decay of the note
stream = np.append(stream, self.fs.get_samples(SAMPLE_RATE * 1))
self.finish()
return fluidsynth.raw_audio_string(stream)
def test_returning_data():
fs = fluidsynth.Synth()
sfid = fs.sfload("FluidR3_GM2-2.SF2")
fs.program_select(0, sfid, 0, 0)
fs.noteon(0, 60, 30)
fs.noteon(0, 67, 30)
fs.noteon(0, 76, 30)
time.sleep(1.0)
fs.noteoff(0, 60)
fs.noteoff(0, 67)
fs.noteoff(0, 76)
time.sleep(1.0)
samples = fs.get_samples(1024)
fs.delete()
return fluidsynth.raw_audio_string(samples)
def get_audio_stream_for_note(self, note):
"""
noteon -> channel, key, velocity
"""
self.initialize()
stream = []
self.fs.noteon(0, note.value, note.velocity)
# note duration is in sec
stream = np.append(stream,
self.fs.get_samples(SAMPLE_RATE * note.duration))
self.fs.noteoff(0, note.value)
# 1 sec decay of the note
stream = np.append(stream, self.fs.get_samples(SAMPLE_RATE * 1))
self.finish()
return fluidsynth.raw_audio_string(stream)
def test_returning_data():
fs = fluidsynth.Synth()
sfid = fs.sfload("FluidR3_GM2-2.SF2")
fs.program_select(0, sfid, 0, 0)
fs.noteon(0, 60, 30)
fs.noteon(0, 67, 30)
fs.noteon(0, 76, 30)
time.sleep(1.0)
fs.noteoff(0, 60)
fs.noteoff(0, 67)
fs.noteoff(0, 76)
time.sleep(1.0)
samples = fs.get_samples(1024)
fs.delete()
return fluidsynth.raw_audio_string(samples)
def streamcopy(stream): s = StringIO() c = 0 if hasattr(stream, "read"): while True: buf = stream.read(2048) if len(buf) == 0: break s.write(buf) c += len(buf) else: for data in stream: if type(data) is numpy.ndarray: buf = raw_audio_string(data) elif type(data) is str: buf = str(data) else: assert False, "cannot handle " + repr(data) s.write(buf) c += len(buf) s.seek(0) return s
def convert_pattern_to_samples(self,
pattern,
instruments,
unit,
dynamic_offset=0):
while self.status == False:
sleep(0.01)
resolution = pattern.resolution
tempo = pattern[0][0].get_bpm()
sampling_rate = 44100.0
array_length = int(unit * 60.0 / tempo * sampling_rate)
digital_filter = self.digital_filter
if len(instruments) < 3:
print 'error in loading instruments'
num_bars_trans = 4
if len(self.last_instruments) != 0 and \
((self.last_instruments[0]['ID'] != instruments[0]['ID']) or \
(self.last_instruments[1]['ID'] != instruments[1]['ID']) or \
(self.last_instruments[2]['ID'] != instruments[2]['ID'])):
instruments.append(self.last_instruments[0])
instruments.append(self.last_instruments[1])
instruments.append(self.last_instruments[2])
pattern.append(MIDI.copy_track(pattern[0], channel_offset=3))
pattern.append(MIDI.copy_track(pattern[1], channel_offset=3))
pattern.append(MIDI.copy_track(pattern[2], channel_offset=3))
# whether in transition state or not, 0 is not a transition state
if self.trans == 0:
self.trans = num_bars_trans
if self.trans > 0:
self.trans -= 1
if self.trans <= 0:
if len(self.last_instruments) == 0:
self.last_instruments.append(instruments[0])
self.last_instruments.append(instruments[1])
self.last_instruments.append(instruments[2])
else:
self.last_instruments[0] = instruments[0]
self.last_instruments[1] = instruments[1]
self.last_instruments[2] = instruments[2]
print 'Melody: ' + instruments[0]['Name']
print 'Harmony: ' + instruments[1]['Name'] + ', ' + instruments[2][
'Name']
print ''
for i in range(min(len(instruments), len(self.synths))):
self.synths[i].program_select(i, self.sfids[i], 0,
instruments[i]['ID'])
# generate samples
samples = []
for i in range(min(len(pattern), len(self.synths))):
sample = []
track = pattern[i]
for event in track:
if event.tick != 0:
length = int(event.tick / float(resolution) * 60.0 /
tempo * 44100)
sample = append(sample, self.synths[i].get_samples(length))
if type(event) is NoteOnEvent:
self.synths[i].noteon(event.channel, event.pitch,
event.velocity)
if type(event) is NoteOffEvent:
self.synths[i].noteoff(event.channel, event.pitch)
if len(sample) < array_length * 2:
sample = append(
sample,
self.synths[i].get_samples(array_length - len(sample) / 2))
samples.append(sample)
# combine different instruments
len_trans = float(array_length * 2)
len_smooth_trans = 16.0
smooth_dec = [(cos(i * pi / len_smooth_trans) + 1) / 2.0
for i in xrange(int(len_smooth_trans))]
smooth_inc = [(-cos(i * pi / len_smooth_trans) + 1) / 2.0
for i in xrange(int(len_smooth_trans))]
if len(instruments) == 6:
coeff_fade_in = array(xrange(int(len_trans)))
coeff_fade_in = coeff_fade_in / (len_trans * num_bars_trans) + (
num_bars_trans - 1 - self.trans) / 4.0
coeff_fade_out = array(xrange(int(len_trans), 0, -1))
coeff_fade_out = coeff_fade_out / (
len_trans * num_bars_trans) + self.trans / 4.0
# avoid the signal suddenly change
if self.trans == num_bars_trans - 1:
coeff_fade_out[:len(smooth_inc)] = smooth_inc
coeff_fade_in[:len(smooth_dec)] = smooth_dec
samples[0] *= coeff_fade_in
samples[1] *= coeff_fade_in
samples[2] *= coeff_fade_in
samples[3] *= coeff_fade_out
samples[4] *= coeff_fade_out
samples[5] *= coeff_fade_out
combined_samples = samples[0] + samples[1] + samples[2] + samples[
3] + samples[4] + samples[5]
else:
combined_samples = samples[0] + samples[1] + samples[2]
if self.trans <= 0:
self.synths[3].system_reset()
self.synths[4].system_reset()
self.synths[5].system_reset()
# filter
num_samples_mono = len(combined_samples) / 2
num_samples_tail = int(sampling_rate * 0.5)
reshaped_samples = combined_samples.reshape(num_samples_mono, 2)
left_channel = array(
list(reshaped_samples[:, 0]) + [0] * num_samples_tail)
right_channel = array(
list(reshaped_samples[:, 1]) + [0] * num_samples_tail)
if self.overdriven_coeff < 1:
max_amp = max(max(abs(left_channel)), max(abs(right_channel)))
left_channel = minimum(left_channel,
max_amp * self.overdriven_coeff)
right_channel = minimum(right_channel,
max_amp * self.overdriven_coeff)
left_channel = lfilter(digital_filter['b'], digital_filter['a'],
left_channel)
right_channel = lfilter(digital_filter['b'], digital_filter['a'],
right_channel)
num_samples = array_length + num_samples_tail
reverb_delay_samples = int(self.reverb_delay_time * sampling_rate)
current_reverb_coeff = self.reverb_amount
for i in xrange(5):
if reverb_delay_samples >= num_samples:
break
left_channel[reverb_delay_samples:] += \
(left_channel[:num_samples - reverb_delay_samples] * current_reverb_coeff)
right_channel[reverb_delay_samples:] += \
(right_channel[:num_samples - reverb_delay_samples] * current_reverb_coeff)
reverb_delay_samples *= 2
current_reverb_coeff *= current_reverb_coeff
# calculate the perceptual volume
frame_length = 1024
c = exp(-1.0 / frame_length)
(ear_b, ear_a) = (Synthesizer.ear_b, Synthesizer.ear_a)
ear_filtered_left_square = lfilter(ear_b, ear_a, left_channel)**2
ear_filtered_right_square = lfilter(ear_b, ear_a, right_channel)**2
vms_left = lfilter([1 - c], [1, -c],
ear_filtered_left_square[:num_samples_mono])
vms_right = lfilter([1 - c], [1, -c],
ear_filtered_right_square[:num_samples_mono])
# average the top 20% and calculate the normalization factor
iterator = xrange(frame_length - 1, num_samples_mono, frame_length)
vdB = [10.0 * log10(max(vms_left[i], vms_right[i])) for i in iterator]
vdB.sort(reverse=True)
original_volume = mean(vdB[0:len(vdB) / 5])
desired_volume = (60 +
dynamic_offset * 0.2) if dynamic_offset > -50 else 0
ratio = sqrt(pow(10, (desired_volume - original_volume) / 10.0))
max_ratio = (pow(2.0, 15) - 1) / max(max(abs(left_channel)),
max(abs(right_channel)))
ratio = min(ratio, max_ratio)
# normalize the left channel and the right channel
trans_ratio = [
ratio * smooth_inc[i] + self.last_ratio * smooth_dec[i]
for i in xrange(int(len_smooth_trans))
]
left_channel[:int(len_smooth_trans)] *= trans_ratio
right_channel[:int(len_smooth_trans)] *= trans_ratio
left_channel[:int(len_smooth_trans)] = maximum(
minimum(left_channel[:int(len_smooth_trans)],
pow(2.0, 15) - 1), -pow(2.0, 15) + 1)
left_channel[:int(len_smooth_trans)] = maximum(
minimum(left_channel[:int(len_smooth_trans)],
pow(2.0, 15) - 1), -pow(2.0, 15) + 1)
left_channel[int(len_smooth_trans):] *= ratio
right_channel[int(len_smooth_trans):] *= ratio
self.last_ratio = ratio
# add the previous filter results in order to make the transition smooth
if self.left_channel_tail is not None and self.right_channel_tail is not None:
left_channel[:num_samples_tail] += self.left_channel_tail
right_channel[:num_samples_tail] += self.right_channel_tail
combined_samples = ndarray([num_samples_mono, 2])
combined_samples[:, 0] = left_channel[:num_samples_mono]
combined_samples[:, 1] = right_channel[:num_samples_mono]
combined_samples = combined_samples.flatten()
# keep the filter tail
self.left_channel_tail = array(left_channel[-num_samples_tail:])
self.right_channel_tail = array(right_channel[-num_samples_tail:])
return raw_audio_string(combined_samples)
def miditowav(inst, mid, sf):
#mid = pretty_midi.PrettyMIDI('./Music/kkhouse.mid') #1
pa = pyaudio.PyAudio()
sd.query_devices()
strm = pa.open(format=pyaudio.paInt16, channels=2, rate=44100, output=True)
s = []
#result_array = mid2arry(mid)
#selecting soundfont
fl = fluidsynth.Synth()
# Initial silence is 1 second
#s = numpy.append(s, fl.get_samples(44100 * 1))
#fl.start('dsound')
sfid = fl.sfload(r'C:\Users\User\Desktop\FluidR3_GM\yk.sf2')
sfid = fl.sfload(sf)
#selecting instrumnet
fl.program_select(0, sfid, 0, 0)
startdict = snotetodict(mid, inst)
enddict = enotetodict(mid, inst)
#notedict=startdict.copy()
#notedict.update(enddict)
notedict = nnotetodict(mid, inst)
instrument = mid.instruments[inst]
startarr = []
endarr = []
for note in instrument.notes:
startarr.append(note.start)
endarr.append(note.end)
startkey = startdict.keys()
startkey.sort()
endkey = enddict.keys()
endkey.sort()
#delete same notes in notekey
notekey = startkey + endkey
notekey = set(notekey)
notekey = list(notekey)
notekey.sort()
#print notekey
print len(startarr), len(endarr)
fl.noteon(0, 0, 0)
fl.noteon(0, 30, 98)
s = numpy.append(s, fl.get_samples(int(44100 * 1 / 2)))
s = numpy.append(s, fl.get_samples(int(44100 * notekey[0] / 2)))
playtime = {}
#print notedict
print mid.instruments[inst]
for note in instrument.notes:
fl.noteon(0, note.pitch, 98)
s = numpy.append(s, fl.get_samples(int(44100 * 1 / 2)))
#fl.noteoff(0,0)
fl.delete()
samps = fluidsynth.raw_audio_string(s)
print(len(s))
print('Starting playback')
#strm.write(samps)
scaled = numpy.int16(s / numpy.max(numpy.abs(s)) * 32767)
name = './Out/inst' + str(inst) + '.wav'
write(name, 44100, scaled)
def play_sample(self, audio):
upsampled = audio.repeat(self.speaker_sample_rate // self.audio_sample_rate, axis=0)
samps = fluidsynth.raw_audio_string(upsampled)
print ('Starting playback')
self.strm.write(samps)
synth.program_select(0, sfid, 0, 0)
sys.stderr.write('\nUnpacking Soundfonts to .wav files.......')
for note in notes:
config.write('\n%d ' % note)
sys.stderr.write('\n%d ' % note)
for velocity in velocities:
samples = []
synth.noteon(0, note, velocity)
samples = numpy.append(samples, synth.get_samples(duration * fs))
synth.noteoff(0, note)
samples = numpy.append(samples, synth.get_samples(decay * fs))
s = fluidsynth.raw_audio_string(samples)
writer = wave.open('%s/%d_%d.wav' % (pack, note, velocity), 'wb')
writer.setparams(wav_parameters)
writer.writeframesraw(s)
writer.close()
config.write('%d ' % velocity)
sys.stderr.write('%d ' % velocity)
synth.delete()
config.write('\n')
sys.stderr.write('\n\n')
synth.program_select(0, sfid, 0, 0)
sys.stderr.write("\nUnpacking Soundfonts to .wav files.......")
for note in notes:
config.write("\n%d " % note)
sys.stderr.write("\n%d " % note)
for velocity in velocities:
samples = []
synth.noteon(0, note, velocity)
samples = numpy.append(samples, synth.get_samples(duration * fs))
synth.noteoff(0, note)
samples = numpy.append(samples, synth.get_samples(decay * fs))
s = fluidsynth.raw_audio_string(samples)
writer = wave.open("%s/%d_%d.wav" % (pack, note, velocity), "wb")
writer.setparams(wav_parameters)
writer.writeframesraw(s)
writer.close()
config.write("%d " % velocity)
sys.stderr.write("%d " % velocity)
synth.delete()
config.write("\n")
sys.stderr.write("\n\n")
def miditowav(self, inst, mid, sf, inst_index=0):
#mid = pretty_midi.PrettyMIDI('./Music/kkhouse.mid') #1
pa = pyaudio.PyAudio()
sd.query_devices()
strm = pa.open(format=pyaudio.paInt16,
channels=2,
rate=44100,
output=True)
s = []
#selecting soundfont
fl = fluidsynth.Synth()
# Initial silence is 1 second
#s = numpy.append(s, fl.get_samples(44100 * 1))
#fl.start('dsound')
#sfid = fl.sfload(r'C:\Users\User\Desktop\FluidR3_GM\yk.sf2')
#sfid = fl.sfload(sf)
#selecting instrumnet
fl.program_select(0, sfid, 0, inst_index)
startdict = snotetodict(mid, inst)
enddict = enotetodict(mid, inst)
#notedict=startdict.copy()
#notedict.update(enddict)
notedict = nnotetodict(mid, inst)
instrument = mid.instruments[inst]
print instrument.is_drum
'''
if instrument.is_drum==True:
sfid=fl.sfload('C:\Users\User\Desktop\FluidR3_GM\FluidR3_GM.sf2')
fl.program_select(10, sfid, 0, 35)
'''
startarr = []
endarr = []
for note in instrument.notes:
startarr.append(note.start)
endarr.append(note.end)
startkey = startdict.keys()
startkey.sort()
endkey = enddict.keys()
endkey.sort()
#delete same notes in notekey
notekey = startkey + endkey
notekey = set(notekey)
notekey = list(notekey)
notekey.sort()
print inst, len(startarr), len(endarr)
fl.noteon(0, 0, 0)
s = numpy.append(s, fl.get_samples(int(44100 * notekey[0] / 2)))
playtime = {}
notekey.append(notekey[len(notekey) - 1] + 1)
for i in range(len(notekey) - 1):
term = 0
pl = 0
'''
for note in notedict[notekey[i]]:
if notekey[i] == note.start:
fl.noteon(0, note.pitch, note.velocity)
playtime=note.end-note.start
print notekey[i],note.pitch,'start'
elif notekey[i] == note.end:
s = numpy.append(s, fl.get_samples(int(44100 * playtime / 2)))
fl.noteoff(0, note.pitch)
print notekey[i],note.pitch, 'end'
'''
#print notekey[i],notedict[notekey[i]]
for j in range(len(notedict[notekey[i]])):
note = notedict[notekey[i]][j]
#print "i:",i,"inst:",inst,note
if notekey[i] == note.start:
#beacuse fluidsynth can't make note which have pitch more than 88(when sf is koto)
if note.pitch > 120:
fl.noteon(0, note.pitch - 12, note.velocity)
# beacuse fluidsynth can't make note which have pitch lee than 48(when sf is koto)
#elif note.pitch<48:
#fl.noteon(0,note.pitch+12,note.velocity)
else:
fl.noteon(0, note.pitch, note.velocity)
elif notekey[i] == note.end:
fl.noteoff(0, note.pitch)
p = 0
term = notekey[i + 1] - notekey[i]
s = numpy.append(s, fl.get_samples(int(44100 * term / 2)))
fl.delete()
samps = fluidsynth.raw_audio_string(s)
print(len(s))
print('Starting playback')
#strm.write(samps)
#scaled = numpy.int16(s/numpy.max(numpy.abs(s)) * 32767)
scaled = numpy.int16(s * 0.8 / numpy.max(numpy.abs(s)) * 32767)
name = './Out/inst' + str(inst) + '.wav'
write(name, 44100, scaled)
#playsound(name)
if self.maxendtime < notekey[len(notekey) - 1]:
self.maxendtime = max(notekey[len(notekey) - 1], self.maxendtime)
self.maxendindex = inst
s = []
# Initial silence is 1 second
s = numpy.append(s, fl.get_samples(44100 * 1))
fl.program_select(0, sfid, 0, i - 1)
fl.noteon(0, 60, 127)
fl.noteon(0, 67, 127)
fl.noteon(0, 76, 127)
# Chord is held for 2 seconds
s = numpy.append(s, fl.get_samples(int(44100 * 2)))
fl.noteoff(0, 60)
fl.noteoff(0, 67)
fl.noteoff(0, 76)
# Decay of chord is held for 1 second
s = numpy.append(s, fl.get_samples(int(44100 * 1)))
samps = fluidsynth.raw_audio_string(s)
print len(samps)
print 'Starting playback'
pcm.write(samps)
fl.delete()
def write_wav(self, seconds):
"""Forces a write of a 'seconds' long wav."""
if hasattr(self, 'wav'):
samples = self.fsynth.get_samples(int(seconds * 44100))
audio = fs.raw_audio_string(samples)
self.wav.writeframes(''.join(audio))
def write_wav(self, seconds):
"""Forces a write of a 'seconds' long wav."""
if hasattr(self, 'wav'):
samples = self.fsynth.get_samples(int(seconds * 44100))
audio = fs.raw_audio_string(samples)
self.wav.writeframes(''.join(audio))
# settings = new_fluid_settings()
# synth = new_fluid_synth(settings)
# sfid = fl.sfload("/Users/yuhaomao/Desktop/pyfluidsynth/test/example.sf2", 7)
sfid = fl.sfload("/Users/yuhaomao/Downloads/Steinway B-JNv2.0.sf2")
fl.program_select(0, sfid, 0, 0) # (channel, soundfont ID, bank, preset )
fl.noteon(0, 60, 100)
# fl.noteon(0, 67, 30)
# fl.noteon(0, 76, 30)
# fluidsynth.fluid_synth_noteon("",0, 60, 100)
# Chord is held for 2 seconds
s = numpy.append(s, fl.get_samples(44100 * 5))
print("333")
print(s)
print("444")
fl.noteoff(0, 60)
# fl.noteoff(0, 67)
# fl.noteoff(0, 76)
# Decay of chord is held for 1 second
# s = numpy.append(s, fl.get_samples(44100 * 1))
fl.delete()
samps = fluidsynth.raw_audio_string(s)
# print (len(samps))
# print ('Starting playback')
strm.write(samps)
def play(s): if type(s) is list: s = numpy.array(s) if type(s) is numpy.ndarray: s = raw_audio_string(s) elif type(s) is not str: s = s.getvalue() strmQueue.put(s)
def audio(self):
return fluidsynth.raw_audio_string(self.numpy_array)
