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Updated to support User-Mode Service Unit File

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So much easier than with system mode service unit files.
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imonlinux
2025-10-11 18:13:51 -07:00
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parent 5fcb8b2623
commit 355f8c8150
1 changed files with 6 additions and 163 deletions
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docs/install_pulseaudio.md
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@@ -1,6 +1,6 @@
## Install PulseAudio On Your Wyoming Voice Satellite ## Install PulseAudio On Your Wyoming Voice Satellite
> Courtesy of https://github.com/FutureProofHomes/wyoming-enhancements/blob/master/snapcast/docs/2_install_pulseaudio.md with minor modifications > Courtesy of https://github.com/FutureProofHomes/wyoming-enhancements/blob/master/snapcast/docs/2_install_pulseaudio.md with now major modifications
## 1. Connect to your Pi over SSH using the username/password you configured during flashing: ## 1. Connect to your Pi over SSH using the username/password you configured during flashing:
@@ -37,52 +37,7 @@ sudo reboot -h now
## 5. SSH back in to your Pi. (See step 1.) ## 5. SSH back in to your Pi. (See step 1.)
## 6. Ensure PulseAudio is runnining in "system-wide mode". Per the [official instructions](https://www.freedesktop.org/wiki/Software/PulseAudio/Documentation/User/SystemWide/) we first need to stop some existing services to be safe: ## 6. (OPTIONAL) If plugging speakers into the headphone jack of the ReSpeaker, set the correct PulseAudio Sink Port:
```sh
sudo systemctl --global disable pulseaudio.service pulseaudio.socket
```
## 7. It is also advisable to set `autospawn = no` in `/etc/pulse/client.conf`:
```sh
sudo sed -i.bak \
-e '$a### Disable autospawn' \
-e '$aautospawn = no' \
/etc/pulse/client.conf
```
## 8. Create the `PulseAudio.service`:
```sh
sudo cp ~/linux-voice-assistant/service/pulseaudio.service /etc/systemd/system/pulseaudio.service
```
## 9. Start the `PulseAudio.service`. This will require you to type in your password a couple times.
```sh
systemctl --system enable pulseaudio.service
```
```sh
systemctl --system start pulseaudio.service
```
## 10. Ensure pi user is in the `pulse-access` group:
***If you aren't using the default "pi" user, put your user in here instead of "pi".***
```sh
sudo sed -i '/^pulse-access:/ s/$/root,pi/' /etc/group
```
## 11. Reboot your Pi: (see step 4)
## 12. (OPTIONAL) If plugging speakers into the headphone jack of the ReSpeaker, set the correct PulseAudio Sink Port:
Run `pactl list sinks` and scroll to the bottom and notice your Active Port is probably "analog-output-speaker". Run the command below to output audio through the 3.5mm headphone jack. Run `pactl list sinks` and scroll to the bottom and notice your Active Port is probably "analog-output-speaker". Run the command below to output audio through the 3.5mm headphone jack.
@@ -97,136 +52,23 @@ pactl set-default-sink alsa_output.platform-soc_sound.stereo-fallback
``` ```
## 13. Test and make sure you can hear the wav file.: ## 7. Test and make sure you can hear the wav file.:
```sh
paplay /usr/share/sounds/alsa/Front_Center.wav
```
**Note that if you have a Raspbery Pi 3B or 4B, this may or may not seem to work, but it will output on the hat as intended.** **Note that if you have a Raspbery Pi 3B or 4B, this may or may not seem to work, but it will output on the hat as intended.**
## 14. The following modifications are specifically required for LVA's mpv_player.py to work with PA. If you do not have a working PA at this point, do not proceed.:
Backup current PA daemon.conf file.
```bash
sudo cp /etc/pulse/daemon.conf{,.bak.$(date +%s)}
```
Update the PA /etc/pulse/daemon.conf file with required change. Replaces if present (commented or not).
```bash
sudo sed -i -E \
-e 's|^[#;[:space:]]*exit-idle-time\s*=.*$|exit-idle-time = -1|' \
-e 's|^[#;[:space:]]*resample-method\s*=.*$|resample-method = trivial|' \
-e 's|^[#;[:space:]]*flat-volumes\s*=.*$|flat-volumes = no|' \
-e 's|^[#;[:space:]]*default-sample-rate\s*=.*$|default-sample-rate = 44100|' \
-e 's|^[#;[:space:]]*alternate-sample-rate\s*=.*$|alternate-sample-rate = 48000|' \
-e 's|^[#;[:space:]]*default-fragment-size-msec\s*=.*$|default-fragment-size-msec = 15|' \
/etc/pulse/daemon.conf
```
Just in case the values were missing, may not be needed but shouldn't hurt.
```bash
for kv in \
'exit-idle-time = -1' \
'resample-method = trivial' \
'flat-volumes = no' \
'default-sample-rate = 44100' \
'alternate-sample-rate = 48000' \
'default-fragment-size-msec = 15'; do
k="${kv%% =*}"
sudo grep -Eq "^[[:space:]]*${k}[[:space:]]*=" /etc/pulse/daemon.conf || echo "$kv" | sudo tee -a /etc/pulse/daemon.conf >/dev/null
done
```
Backup current PA system.pa file.
```bash
sudo cp /etc/pulse/system.pa{,.bak.$(date +%s)}
```
Update the PA /etc/pulse/system.pa file with required change. Replaces if present (commented or not).
```bash
sudo sed -i -E \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-udev-detect)([[:space:]].*)?$|\1 tsched=0|' \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-native-protocol-unix.*)$|\1|' \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-default-device-restore.*)$|\1|' \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-always-sink.*)$|\1|' \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-position-event-sounds.*)$|\1|' \
/etc/pulse/system.pa
```
Just in case the values were missing, may not be needed but shouldn't hurt.
```bash
for m in \
'load-module module-native-protocol-unix' \
'load-module module-default-device-restore' \
'load-module module-always-sink' \
'load-module module-position-event-sounds'; do
sudo grep -Eq "^[[:space:]]*$m(\s|$)" /etc/pulse/system.pa || echo "$m" | sudo tee -a /etc/pulse/system.pa >/dev/null
done
```
Backup current PA default.pa file.
```bash
sudo cp /etc/pulse/default.pa{,.bak.$(date +%s)}
```
Update the PA /etc/pulse/default.pa file with required change. Replaces if present (commented or not).
```bash
sudo sed -i -E \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-udev-detect)([[:space:]].*)?$|\1 tsched=0|' \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-native-protocol-unix.*)$|\1|' \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-default-device-restore.*)$|\1|' \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-always-sink.*)$|\1|' \
-e 's|^[#;[:space:]]*(load-module[[:space:]]+module-intended-roles.*)$|\1|' \
/etc/pulse/default.pa
```
Just in case the values were missing, may not be needed but shouldn't hurt.
```bash
for m in \
'load-module module-native-protocol-unix' \
'load-module module-default-device-restore' \
'load-module module-always-sink' \
'load-module module-intended-roles'; do
sudo grep -Eq "^[[:space:]]*$m(\s|$)" /etc/pulse/default.pa || echo "$m" | sudo tee -a /etc/pulse/default.pa >/dev/null
done
```
Optional since LVA handles duck/unduck: if you enabled role-ducking explicitly in system.pa, you can comment it out with:
```bash
sudo sed -i -E 's|^([[:space:]]*)load-module[[:space:]]+module-role-ducking\b|# \0|' /etc/pulse/system.pa
```
## 15. Restart PA and verify
```bash
sudo systemctl restart pulseaudio.service
```
Test mpv can ouput to PA with current configs: Test mpv can ouput to PA with current configs:
```bash ```bash
mpv --ao=pulse --audio-device=default --audio-samplerate=44100 /usr/share/sounds/alsa/Front_Center.wav mpv --ao=pulse --audio-device=default --audio-samplerate=44100 /usr/share/sounds/alsa/Front_Center.wav
``` ```
If you disabled your Linux Voice Assistant service in step 2., enable it now:
## 8. If you disabled your Linux Voice Assistant service in step 2., enable it now:
```bash ```bash
sudo systemctl enable --now linux-voice-assistant.service sudo systemctl enable --now linux-voice-assistant.service
``` ```
## 16. Reboot your Pi: (see step 4)
## 17. Done! Return to the tutorial to continue the Linux Voice Assistant install. ## 17. Done! Return to the tutorial to continue the Linux Voice Assistant install.
@@ -237,3 +79,4 @@ sudo systemctl enable --now linux-voice-assistant.service