Exemple #1
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def test_resample():
    x = np.sin(2*np.pi * 10 * np.linspace(0, 1, 1001))
    src = BytesIO(common.dumps(x))
    dst = BytesIO()
    sampling.resample(src=src, dst=dst, df=0.0)
    y = common.loads(dst.getvalue())
    err = x[:len(y)] - y
    assert np.max(np.abs(err)) < 1e-4

    dst = BytesIO()
    sampling.resample(src=BytesIO(b'\x00\x00'), dst=dst, df=0.0)
    assert dst.tell() == 0
Exemple #2
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def test_resample():
    x = np.sin(2 * np.pi * 10 * np.linspace(0, 1, 1001))
    src = BytesIO(common.dumps(x))
    dst = BytesIO()
    sampling.resample(src=src, dst=dst, df=0.0)
    y = common.loads(dst.getvalue())
    err = x[:len(y)] - y
    assert np.max(np.abs(err)) < 1e-4

    dst = BytesIO()
    sampling.resample(src=BytesIO(b'\x00\x00'), dst=dst, df=0.0)
    assert dst.tell() == 0
def run(size, chan=None, df=0, success=True, cfg=None):

    if cfg is None:
        cfg = config.slowest()
        
    tx_data=get_bigger_string(10000)
    tx_audio = BytesIO()
    main.send(config=cfg, src=BytesIO(tx_data), dst=tx_audio, gain=0.5)
    with open('rx_data.wav','w') as f:
        f.write(tx_audio.getvalue())
        f.flush()
    dst = BytesIO()
    sampling.resample(src=tx_audio, dst=dst, df=50.0)
Exemple #4
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def main():
    p = argparse.ArgumentParser()
    p.add_argument('df', type=float)
    args = p.parse_args()

    resample(src=sys.stdin, dst=sys.stdout, df=args.df)
Exemple #5
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def main():
    p = argparse.ArgumentParser()
    p.add_argument('df', type=float)
    args = p.parse_args()

    resample(src=sys.stdin, dst=sys.stdout, df=args.df)