def main(args):
if len(args) < 1:
raise SystemExit(
"Mixes one or more audio files. Arguments: inputfile...")
hqresample = AudiofileToWavStream.supports_hq_resample()
if not hqresample:
print(
"WARNING: ffmpeg isn't compiled with libsoxr, so hq resampling is not supported."
)
wav_streams = [
AudiofileToWavStream(filename, hqresample=hqresample)
for filename in args
]
with StreamMixer(wav_streams, endless=True) as mixer:
mixed_samples = iter(mixer)
with Output(mixer.samplerate, mixer.samplewidth,
mixer.nchannels) as output:
levelmeter = LevelMeter(rms_mode=False, lowest=-50)
temp_stream = AudiofileToWavStream("samples/909_crash.wav",
hqresample=hqresample)
for timestamp, sample in mixed_samples:
levelmeter.update(sample)
output.play_sample(sample)
time.sleep(sample.duration * 0.4)
levelmeter.print(bar_width=60)
if 5.0 <= timestamp <= 5.1:
mixer.add_stream(temp_stream)
if 10.0 <= timestamp <= 10.1:
sample = Sample("samples/909_crash.wav").normalize()
mixer.add_sample(sample)
print("done.")
def set_effect(self, effect_nr, filename):
try:
with AudiofileToWavStream(filename, hqresample=hqresample) as wav:
sample = Sample(wav)
self.effects[effect_nr] = sample
except IOError as x:
print("Can't load effect sample:", x)
else:
for button in self.buttons:
if button.effect_nr == effect_nr:
button["state"] = tk.NORMAL
button["text"] = os.path.splitext(
os.path.basename(filename))[0]
break
def stereo_pan():
synth = WaveSynth()
# panning a stereo source:
wave = Sample("samples/SOS 020.wav").clip(
6, 12).normalize().fadein(0.5).fadeout(0.5).lock()
osc = Sine(0.4)
panning = wave.copy().pan(lfo=osc).fadeout(0.2)
with Output.for_sample(panning) as out:
out.play_sample(panning)
# panning a generated mono source:
fm = Sine(0.5, 0.1999, bias=0.2)
wave = synth.triangle(220, 5, fm_lfo=fm).lock()
osc = Sine(0.4)
panning = wave.copy().pan(lfo=osc).fadeout(0.2)
with Output.for_sample(panning) as out:
out.play_sample(panning)
def do_button_release(self, event):
if event.state & 0x0100 == 0:
return # no left mouse button event
shift = event.state & 0x0001
if shift:
filename = tkinter.filedialog.askopenfilename()
if filename:
with AudiofileToWavStream(filename,
hqresample=hqresample) as wav:
sample = Sample(wav)
self.jingles[event.widget.jingle_nr] = sample
event.widget["state"] = tk.NORMAL
event.widget["text"] = os.path.splitext(
os.path.basename(filename))[0]
else:
sample = self.jingles[event.widget.jingle_nr]
if sample:
self.app.play_sample(sample)
def main(track_file, outputfile=None, interactive=False):
discard_unused = not interactive
if interactive:
repl = Repl(discard_unused_instruments=discard_unused)
repl.do_load(track_file)
repl.cmdloop("Interactive Samplebox session. Type 'help' for help on commands.")
else:
song = Song()
song.read(track_file, discard_unused_instruments=discard_unused)
with Output() as out:
if out.supports_streaming:
# mix and stream output in real time
print("Mixing and streaming to speakers...")
out.play_samples(song.mix_generator(), False)
print("\r ")
else:
# output can't stream, fallback on mixing everything to a wav
print("(Sorry, streaming audio is not possible, perhaps because you don't have pyaudio installed?)")
song.mix(outputfile)
mix = Sample(wave_file=outputfile)
print("Playing sound...")
out.play_sample(mix)
