mirror of
https://github.com/legop3/MultiRoombaRover.git
synced 2026-09-16 01:21:20 -04:00
49 lines
1011 B
Plaintext
49 lines
1011 B
Plaintext
# Use the Google Voice HAT soundcard as the primary device by name (card id is "sndrpigooglevoi")
|
|
options snd_rpi_googlevoicehat_soundcard index=0
|
|
|
|
# Mix multiple playback clients in software with a fixed low-cost format.
|
|
pcm.dmixer {
|
|
type dmix
|
|
ipc_key 1024
|
|
ipc_perm 0666
|
|
slave {
|
|
pcm "hw:0,0"
|
|
format S16_LE
|
|
rate 16000
|
|
channels 1
|
|
period_time 0
|
|
period_size 1024
|
|
buffer_size 4096
|
|
}
|
|
}
|
|
|
|
# Software playback volume (adjust with: amixer -c0 sset 'SoftMaster' 70%)
|
|
pcm.softvol {
|
|
type softvol
|
|
slave.pcm "dmixer"
|
|
control {
|
|
name "SoftMaster"
|
|
card 0
|
|
}
|
|
min_dB -51.0
|
|
max_dB 0.0
|
|
}
|
|
|
|
# Allow clients with mismatched sample formats/rates to use the mixer.
|
|
pcm.playback {
|
|
type plug
|
|
slave.pcm "softvol"
|
|
}
|
|
|
|
# Defaults: playback through shared mixer + softvol, capture raw on the HAT
|
|
pcm.!default {
|
|
type asym
|
|
playback.pcm "playback"
|
|
capture.pcm "hw:0,0"
|
|
}
|
|
|
|
ctl.!default {
|
|
type hw
|
|
card 0
|
|
}
|