def play(files: Iterable[str], device: str, reverb: str) -> None:
"""Load and play files on the given device."""
with Device(device) as dev, Context(dev) as ctx:
print('Opened', dev.name)
print('Loading reverb preset', reverb)
with Source() as src, ReverbEffect(reverb) as fx:
src.sends[0].effect = fx
for filename in files:
try:
decoder = decode(filename)
except RuntimeError:
stderr.write(f'Failed to open file: {filename}\n')
continue
decoder.play(CHUNK_LEN, QUEUE_SIZE, src)
print(f'Playing {filename} ({decoder.sample_type},',
f'{decoder.channel_config}, {decoder.frequency} Hz)')
while src.playing:
print(
f' {pretty_time(src.offset_seconds)} /'
f' {pretty_time(decoder.length_seconds)}',
end='\r',
flush=True)
sleep(PERIOD)
ctx.update()
print()
def test_reverb_decay_hf_limit(context):
"""Test ReverbEffect's property decay_hf_limit."""
with ReverbEffect() as fx:
assert fx.decay_hf_limit is True
fx.decay_hf_limit = False
assert fx.decay_hf_limit is False
fx.decay_hf_limit = True
assert fx.decay_hf_limit is True
def test_reverb_echo_time(context):
"""Test ReverbEffect's property echo_time."""
with ReverbEffect() as fx:
assert isclose(fx.echo_time, 0.25)
fx.echo_time = 0.075
assert isclose(fx.echo_time, 0.075)
fx.echo_time = 0.1
assert isclose(fx.echo_time, 0.1)
with raises(ValueError): fx.echo_time = 0.05
with raises(ValueError): fx.echo_time = 0.5
def test_reverb_reflections_delay(context):
"""Test ReverbEffect's property reflections_delay."""
with ReverbEffect() as fx:
assert isclose(fx.reflections_delay, 0.007)
fx.reflections_delay = 0.3
assert isclose(fx.reflections_delay, 0.3)
fx.reflections_delay = 0
assert fx.reflections_delay == 0
with raises(ValueError): fx.reflections_delay = 1
with raises(ValueError): fx.reflections_delay = -1
def test_reverb_lf_reference(context):
"""Test ReverbEffect's property lf_reference."""
with ReverbEffect() as fx:
assert fx.lf_reference == 250
fx.lf_reference = 666
assert fx.lf_reference == 666
fx.lf_reference = 1000
assert fx.lf_reference == 1000
fx.lf_reference = 20
assert fx.lf_reference == 20
with raises(ValueError): fx.lf_reference = 19.5
with raises(ValueError): fx.lf_reference = 1001
def test_reverb_hf_reference(context):
"""Test ReverbEffect's property hf_reference."""
with ReverbEffect() as fx:
assert fx.hf_reference == 5000
fx.hf_reference = 6969
assert fx.hf_reference == 6969
fx.hf_reference = 1000
assert fx.hf_reference == 1000
fx.hf_reference = 20000
assert fx.hf_reference == 20000
with raises(ValueError): fx.hf_reference = 20000.5
with raises(ValueError): fx.hf_reference = 999
def test_reverb_air_absorption_gain_hf(context):
"""Test ReverbEffect's property air_absorption_gain_hf."""
with ReverbEffect() as fx:
assert isclose(fx.air_absorption_gain_hf, 0.9943)
fx.air_absorption_gain_hf = 0.999
assert isclose(fx.air_absorption_gain_hf, 0.999)
fx.air_absorption_gain_hf = 0.892
assert isclose(fx.air_absorption_gain_hf, 0.892)
fx.air_absorption_gain_hf = 1
assert fx.air_absorption_gain_hf == 1
with raises(ValueError): fx.air_absorption_gain_hf = 7/5
with raises(ValueError): fx.air_absorption_gain_hf = 0.5
def test_reverb_gain_lf(context):
"""Test ReverbEffect's property gain_lf."""
with ReverbEffect() as fx:
assert fx.gain_lf == 1
fx.gain_lf = 5/7
assert isclose(fx.gain_lf, 5/7)
fx.gain_lf = 0
assert fx.gain_lf == 0
fx.gain_lf = 1
assert fx.gain_lf == 1
with raises(ValueError): fx.gain_lf = 7/5
with raises(ValueError): fx.gain_lf = -1
def test_reverb_modulation_time(context):
"""Test ReverbEffect's property modulation_time."""
with ReverbEffect() as fx:
assert isclose(fx.modulation_time, 0.25)
fx.modulation_time = 5/7
assert isclose(fx.modulation_time, 5/7)
fx.modulation_time = 0.04
assert isclose(fx.modulation_time, 0.04)
fx.modulation_time = 4
assert fx.modulation_time == 4
with raises(ValueError): fx.modulation_time = 4.2
with raises(ValueError): fx.modulation_time = 0
def test_reverb_late_reverb_delay(context):
"""Test ReverbEffect's property late_reverb_delay."""
with ReverbEffect() as fx:
assert isclose(fx.late_reverb_delay, 0.011)
fx.late_reverb_delay = 0.05
assert isclose(fx.late_reverb_delay, 0.05)
fx.late_reverb_delay = 0
assert fx.late_reverb_delay == 0
fx.late_reverb_delay = 0.1
assert isclose(fx.late_reverb_delay, 0.1)
with raises(ValueError): fx.late_reverb_delay = 1
with raises(ValueError): fx.late_reverb_delay = -1
def test_reverb_late_reverb_gain(context):
"""Test ReverbEffect's property late_reverb_gain."""
with ReverbEffect() as fx:
assert isclose(fx.late_reverb_gain, 1.2589)
fx.late_reverb_gain = 5/7
assert isclose(fx.late_reverb_gain, 5/7)
fx.late_reverb_gain = 0
assert fx.late_reverb_gain == 0
fx.late_reverb_gain = 10
assert fx.late_reverb_gain == 10
with raises(ValueError): fx.late_reverb_gain = 11
with raises(ValueError): fx.late_reverb_gain = -1
def test_reverb_reflections_gain(context):
"""Test ReverbEffect's property reflections_gain."""
with ReverbEffect() as fx:
assert isclose(fx.reflections_gain, 0.05)
fx.reflections_gain = 5/7
assert isclose(fx.reflections_gain, 5/7)
fx.reflections_gain = 3.16
assert isclose(fx.reflections_gain, 3.16)
fx.reflections_gain = 0
assert fx.reflections_gain == 0
with raises(ValueError): fx.reflections_gain = 4
with raises(ValueError): fx.reflections_gain = -1
def test_reverb_decay_lf_ratio(context):
"""Test ReverbEffect's property decay_lf_ratio."""
with ReverbEffect() as fx:
assert fx.decay_lf_ratio == 1
fx.decay_lf_ratio = 5/7
assert isclose(fx.decay_lf_ratio, 5/7)
fx.decay_lf_ratio = 0.1
assert isclose(fx.decay_lf_ratio, 0.1)
fx.decay_lf_ratio = 2
assert fx.decay_lf_ratio == 2
with raises(ValueError): fx.decay_lf_ratio = 21
with raises(ValueError): fx.decay_lf_ratio = -1
def test_reverb_decay_time(context):
"""Test ReverbEffect's property decay_time."""
with ReverbEffect() as fx:
assert isclose(fx.decay_time, 1.49)
fx.decay_time = 5/7
assert isclose(fx.decay_time, 5/7)
fx.decay_time = 0.1
assert isclose(fx.decay_time, 0.1)
fx.decay_time = 20
assert fx.decay_time == 20
with raises(ValueError): fx.decay_time = 21
with raises(ValueError): fx.decay_time = -1
def test_reverb_room_rolloff_factor(context):
"""Test ReverbEffect's property room_rolloff_factor."""
with ReverbEffect() as fx:
assert fx.room_rolloff_factor == 0
fx.room_rolloff_factor = 9/6
assert fx.room_rolloff_factor == 9/6
fx.room_rolloff_factor = 0
assert fx.room_rolloff_factor == 0
fx.room_rolloff_factor = 10
assert fx.room_rolloff_factor == 10
with raises(ValueError): fx.room_rolloff_factor = 10.5
with raises(ValueError): fx.room_rolloff_factor = -1
def test_reverb_gain(context):
"""Test ReverbEffect's property gain."""
with ReverbEffect() as fx:
assert isclose(fx.gain, 0.3162)
fx.gain = 5/7
assert isclose(fx.gain, 5/7)
fx.gain = 0
assert fx.gain == 0
fx.gain = 1
assert fx.gain == 1
with raises(ValueError): fx.gain = 7/5
with raises(ValueError): fx.gain = -1
def test_reverb_modulation_depth(context):
"""Test ReverbEffect's property modulation_depth."""
with ReverbEffect() as fx:
assert fx.modulation_depth == 0
fx.modulation_depth = 5/7
assert isclose(fx.modulation_depth, 5/7)
fx.modulation_depth = 0
assert fx.modulation_depth == 0
fx.modulation_depth = 1
assert fx.modulation_depth == 1
with raises(ValueError): fx.modulation_depth = 7/5
with raises(ValueError): fx.modulation_depth = -1
def test_reverb_diffusion(context):
"""Test ReverbEffect's property diffusion."""
with ReverbEffect() as fx:
assert fx.diffusion == 1
fx.diffusion = 5/7
assert isclose(fx.diffusion, 5/7)
fx.diffusion = 0
assert fx.diffusion == 0
fx.diffusion = 1
assert fx.diffusion == 1
with raises(ValueError): fx.diffusion = 7/5
with raises(ValueError): fx.diffusion = -1
def test_reverb_density(context):
"""Test ReverbEffect's property density."""
with ReverbEffect() as fx:
assert fx.density == 1
fx.density = 5/7
assert isclose(fx.density, 5/7)
fx.density = 0
assert fx.density == 0
fx.density = 1
assert fx.density == 1
with raises(ValueError): fx.density = 7/5
with raises(ValueError): fx.density = -1
def test_reverb_late_reverb_pan(context):
"""Test ReverbEffect's property late_reverb_pan."""
with ReverbEffect() as fx:
assert allclose(fx.late_reverb_pan, (0, 0, 0))
fx.late_reverb_pan = 5/7, -69/420, 6/9
assert allclose(fx.late_reverb_pan, (5/7, -69/420, 6/9))
with raises(ValueError): fx.late_reverb_pan = 1, 1, 1
with raises(ValueError): fx.late_reverb_pan = 0, 0, 2
with raises(ValueError): fx.late_reverb_pan = 0, 2, 0
with raises(ValueError): fx.late_reverb_pan = 2, 0, 0
with raises(ValueError): fx.late_reverb_pan = 0, 0, -2
with raises(ValueError): fx.late_reverb_pan = 0, -2, 0
with raises(ValueError): fx.late_reverb_pan = -2, 0, 0
def test_reverb_send_auto(context):
"""Test ReverbEffect's write-only property send_auto."""
with ReverbEffect() as fx:
fx.send_auto = False
fx.send_auto = True
def test_reverb(context):
"""Test ReverbEffect initialization."""
with ReverbEffect('DRUGGED'): pass
with raises(ValueError):
with ReverbEffect('NOT_AN_EFFECT'): pass