def test_chorus(mix_and_sources, check_against_regression_data):
signal, _ = mix_and_sources
in_gain = .4
out_gain = .7
delays = [45, 55]
decays = [.6, .2]
speeds = [.9, .8]
depths = [2, 1.5]
filters = [effects.chorus(delays, decays,
speeds, depths, in_gain=in_gain, out_gain=out_gain)]
augmented_signal = effects.apply_effects_ffmpeg(signal, filters)
reg_path = path.join(REGRESSION_PATH, "chorus.json")
fx_regression(augmented_signal.audio_data, reg_path,
check_against_regression_data)
def test_misc_param_check():
with pytest.raises(ValueError):
effects.vibrato(-1, 1)
with pytest.raises(ValueError):
effects.vibrato(1, -1)
with pytest.raises(ValueError):
effects.tremolo(-1, 1)
with pytest.raises(ValueError):
effects.tremolo(1, -1)
with pytest.raises(ValueError):
effects.chorus([1], [2, 3], [45, 6], [4])
with pytest.warns(UserWarning):
effects.chorus([2000], [.5], [.7], [.4])
with pytest.raises(ValueError):
effects.chorus([1], [30], [.7], [.4], in_gain=-1)
with pytest.raises(ValueError):
effects.phaser(in_gain=-1)
with pytest.raises(ValueError):
effects.phaser(out_gain=-1)
with pytest.raises(ValueError):
effects.phaser(decay=-1)
with pytest.raises(ValueError):
effects.phaser(type_="fail")
with pytest.raises(ValueError):
effects.flanger(delay=-1)
with pytest.raises(ValueError):
effects.flanger(depth=-1)
with pytest.raises(ValueError):
effects.flanger(regen=-100)
with pytest.raises(ValueError):
effects.flanger(width=-1)
with pytest.raises(ValueError):
effects.flanger(speed=-1)
with pytest.raises(ValueError):
effects.flanger(shape="fail")
with pytest.raises(ValueError):
effects.flanger(interp="fail")
with pytest.raises(ValueError):
effects.flanger(phase=-1)
with pytest.raises(ValueError):
effects.emphasis(1, 1, type_="fail")
with pytest.raises(ValueError):
effects.emphasis(1, 1, mode="fail")
with pytest.raises(ValueError):
effects.emphasis(1, -1)
band = {'chn': [0], 'f': 300, 'w': 10, 'g': 10, 't': 5}
with pytest.raises(ValueError):
effects.equalizer([band])
band["g"] = -1
with pytest.raises(ValueError):
effects.equalizer([band])
band["w"] = -1
with pytest.raises(ValueError):
effects.equalizer([band])
band["f"] = -1
with pytest.raises(ValueError):
effects.equalizer([band])
band["chn"].append(-1)
with pytest.raises(ValueError):
effects.equalizer([band])
with pytest.raises(ValueError):
effects.SoXFilter('fail')