allows pulse daemon config file tuning from HA pulse_audio.json

[eric-belhomme]

I needed to fine-tune the PulseAudio daemon to get the benefits from my hi-res HiFi DAC at 24 bits/192kHz sampling rate.

So I added a daemon object into the JSON file /mnt/data/supervisor/audio/pulse_audio.json:

{
  "debug": false,
  "daemon": {
    "resample-method": "speex-float-10",
    "avoid-resampling": true
  }
}

then I patched the s6 init script /etc/s6-overlay/s6-rc.d/pulseaudio/run to read the JSON file and patch the /etc/pulse/daemon.conf config file accordingly.

It basically read keys in .daemon object and patch the corresponding key in daemon.conf file with sed. So it is generic enough to allow to tune any config directive supported by pulseaudio.

[home-assistant]

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[home-assistant]

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