#!/bin/sh

# This desktop has USB speakers and webcam USB microphone, so sndio can't
# use both at the same time. This creates a virtual device combining both
# of them into one virutal sound card.
#
# Because the virtual soundcard is installed to /dev/dsp, it will
# automatically be used as the default.

playback_device=1
recording_device=0
samplerate=48000
bits=16
buffer_ms=100
microphone_gain=50
max_channels=2

pkg install -y virtual_oss
sysrc -v \
  virtual_oss_enable=YES \
  virtual_oss_dsp="-T /dev/sndstat -C "$max_channels" -c "$max_channels" -S -r ${samplerate} -b ${bits} -s ${buffer_ms}ms -O /dev/dsp${playback_device} -R /dev/dsp${recording_device} -d dsp -t vsdp.ctl"
service virtual_oss restart

set_loader_conf "hint.pcm.${recording_device}.mic=${microphone_gain}"
set_loader_conf "hint.pcm.${playback_device}.pcm=100"