Esempio n. 1
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def run(size, chan=None, df=0, success=True, reader=None, cfg=None):
    if cfg is None:
        cfg = config.fastest()
    tx_data = os.urandom(size)
    tx_audio = BytesIO()
    main.send(config=cfg, src=BytesIO(tx_data), dst=tx_audio, gain=0.5)

    data = tx_audio.getvalue()
    data = common.loads(data)
    if chan is not None:
        data = chan(data)
    if df:
        sampler = sampling.Sampler(data, sampling.Interpolator())
        sampler.freq += df
        data = sampler.take(len(data))

    data = common.dumps(data)
    rx_audio = BytesIO(data)
    rx_data = BytesIO()
    dump = BytesIO()

    if reader:
        rx_audio = reader(rx_audio)
    try:
        result = main.recv(config=cfg, src=rx_audio, dst=rx_data,
                           dump_audio=dump, pylab=None)
    finally:
        rx_audio.close()

    rx_data = rx_data.getvalue()
    assert data.startswith(dump.getvalue())

    assert result == success
    if success:
        assert rx_data == tx_data
Esempio n. 2
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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)
Esempio n. 3
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def run(size, chan=None, df=0, success=True, cfg=None):
    if cfg is None:
        cfg = config.fastest()
    tx_data = os.urandom(size)
    tx_audio = BytesIO()
    main.send(config=cfg, src=BytesIO(tx_data), dst=tx_audio, gain=0.5)

    data = tx_audio.getvalue()
    data = common.loads(data)
    if chan is not None:
        data = chan(data)
    if df:
        sampler = sampling.Sampler(data, sampling.Interpolator())
        sampler.freq += df
        data = sampler.take(len(data))

    data = common.dumps(data)
    rx_audio = BytesIO(data)
    rx_data = BytesIO()
    dump = BytesIO()

    try:
        result = main.recv(config=cfg,
                           src=rx_audio,
                           dst=rx_data,
                           dump_audio=dump,
                           pylab=None)
    finally:
        rx_audio.close()

    rx_data = rx_data.getvalue()
    assert data.startswith(dump.getvalue())

    assert result == success
    if success:
        assert rx_data == tx_data