panel.pane.Audio

Here are the examples of the python api panel.pane.Audio taken from open source projects. By voting up you can indicate which examples are most useful and appropriate.

6 Examples 7

3 Source : test_media.py
with BSD 3-Clause "New" or "Revised" License
from holoviz

def test_local_audio(document, comm):
    audio = Audio(str(ASSETS / 'mp3.mp3'))
    model = audio.get_root(document, comm=comm)

    assert model.value == 'data:audio/mp3;base64,/+MYxAAAAANIAAAAAExBTUUzLjk4LjIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA' # noqa


def test_numpy_audio(document, comm):

3 Source : test_media.py
with BSD 3-Clause "New" or "Revised" License
from holoviz

def test_audio_array(document, comm):
    data = np.random.randint(-100,100, 100).astype('int16')
    sample_rate = 10
    buffer = BytesIO()
    wavfile.write(buffer, sample_rate, data)
    b64_encoded = b64encode(buffer.getvalue()).decode('utf-8')

    audio = Audio(data, sample_rate=sample_rate)
    model = audio.get_root(document, comm=comm)
    model_value = model.value

    assert model_value.split(',')[1] == b64_encoded
    assert model.value.startswith('data:audio/wav;base64')


def test_audio_url(document, comm):

3 Source : test_media.py
with BSD 3-Clause "New" or "Revised" License
from holoviz

def test_audio_url(document, comm):
    audio_url = 'http://ccrma.stanford.edu/~jos/mp3/pno-cs.mp3'
    audio = Audio(audio_url)
    model = audio.get_root(document, comm=comm)

    assert audio_url == model.value

def test_audio_muted(document, comm):

3 Source : test_media.py
with BSD 3-Clause "New" or "Revised" License
from holoviz

def test_audio_muted(document, comm):
    audio_url = 'http://ccrma.stanford.edu/~jos/mp3/pno-cs.mp3'
    audio = Audio(audio_url, muted=True)
    model = audio.get_root(document, comm=comm)

    assert model.muted

def test_audio_autoplay(document, comm):

3 Source : test_media.py
with BSD 3-Clause "New" or "Revised" License
from holoviz

def test_audio_autoplay(document, comm):
    audio_url = 'http://ccrma.stanford.edu/~jos/mp3/pno-cs.mp3'
    audio = Audio(audio_url, autoplay=True)
    model = audio.get_root(document, comm=comm)

    assert model.autoplay

0 Source : test_media.py
with BSD 3-Clause "New" or "Revised" License
from holoviz

def test_numpy_audio(document, comm):
    sps = 8000 # Samples per second
    duration = 0.01 # Duration in seconds

    modulator_frequency = 2.0
    carrier_frequency = 120.0
    modulation_index = 2.0

    time = np.arange(sps*duration) / sps
    modulator = np.sin(2.0 * np.pi * modulator_frequency * time) * modulation_index
    waveform = np.sin(2. * np.pi * (carrier_frequency * time + modulator))

    waveform_quiet = waveform * 0.3
    waveform_int = np.int16(waveform_quiet * 32767)

    audio = Audio(waveform_int, sample_rate=sps)

    model = audio.get_root(document, comm=comm)

    assert model.value == 'data:audio/wav;base64,UklGRsQAAABXQVZFZm10IBAAAAABAAEAQB8AAIA+AAACABAAZGF0YaAAAAAAAF4ErQjgDOgQuBRDGH0bXB7WIOMifCScJT8mYyYHJi0l1yMLIs0fJR0dGr4WFBMqDw4LzQZ1Ahf+vfl59VfxZu2z6UrmN+OD4DjeXNz42g7aotm22UjaWNvi3ODeTOEe5E3nzuqU7pXywvYO+2v/yAMZCFAMXhA1FMoXDxv7HYMgoCJJJHolLyZlJhwmVSURJFciKiCTHZoaSBeqE8oP' # noqa


@scipy_available