pulse_viz

A sample extension for Quasar on Linux that captures audio output from a PulseAudio server and provides various audio data.

This extension is adapted from the win_audio_viz sample extension, which itself is adapted from the Rainmeter AudioLevel plugin for Quasar usage.

Rainmeter is licensed under GPLv2.

Usage

pulse_viz provides only a subset of the functionality available in win_audio_viz for simplicity’s sake.

See the win_audio_viz extension for more details.

Use pavucontrol to set pulse_viz’s monitoring device to that of your primary desktop audio device.

Data Sources

• fft : The current FFT level (0.0 to 1.0) for all FFT bins. Subscription, default 16.67ms refresh.

• band : The current FFT level (0.0 to 1.0) for all bands. Subscription, default 16.67ms refresh.

Sample Output

{
    "pulse_viz/band": [
        0.123123,
        0.237892,
        0.83792,
        0.37855,
        0.382793,
        0.38927,
        0.72893,
        0.83792,
        0.8327492,
        0.3827938,
        0.84641651,
        0.62826286,
        0.6654456,
        0.4864866,
        0.1691962,
        0.8641233
    ]
}

Settings

pulse_viz provides most of settings available to the Rainmeter AudioLevel plugin, with the exception of parameters which define specific data retrieval settings such as Channel, FFTIdx, and BandIdx. The parameter Port is not supported in pulse_viz.

See the Rainmeter AudioLevel documentation for more details.