Add PipeWire session template with automatic connection save/restore

[franeum]

Hi, I'm a RaySession user working with PipeWire. I noticed that RaySession doesn't restore PipeWire/JACK connections when a session is loaded.
I created a new session template called "with PipeWire" that automatically saves and restores connections using pw-link. It works by hooking into the existing save.sh and load.sh scripts:

• save.sh — when the session is saved, it reads all active connections with pw-link -l and saves them to connections.sh in the session folder
• load.sh — when the session is loaded, it disconnects all existing connections and restores the saved ones, with a retry mechanism for ports that are slow to initialize

This required adding with_pipewire to FACTORY_SESSION_TEMPLATES in ray.py and a corresponding entry in child_dialogs.py.
Would you be interested in a PR for this?

[Houston4444]

Hi ! Thanks for your interest.

I noticed that RaySession doesn't restore PipeWire/JACK connections when a session is loaded.

If it is the case for you, it is a bug (and a big one). A lot of RaySession users use PipeWire and hopefully connections are saved and restored correctly.

Would you be interested in a PR for this?

Absolutely not, I would prefer to see why it does not works correctly for you. So, I have some questions:

• what is your system, and RaySession version (if it does not comes from this repo) ?
• could you launch raysession in a terminal, create a session with Jack Connections, modify some connections, save the session and see if the connections are stored in the session directory.

[franeum]

Hi, thank you for your quick response,

this is my system:
System: MX Linux 25.2 (Debian Trixie base), Liquorix kernel (7.0.2)
PipeWire version: 1.6.5
WirePlumber version: 5.14
RaySession version: 0.14.4

I launch RaySession with pw-jack raysession because I don't have native JACK installed.
The applications I use are not recognized as "applications", so I must import them as "executables" (Pure data and Reaper). I unchecked NSM protocol in both cases. The connections are created and managed. When I reopen the session, the connections are restored, but also unwanted connections are created. For example, I would like this configuration:

1. Audio capture -> pure data input
2. puredata output -> reaper input
3. reaper output -> Audio playback

this configuration is normally restored, but in addition, these connections are created:

4. pure data output -> Audio Playback
5. Audio capture -> Reaper input

Probably these connections are created by wireplumber?

[Houston4444]

Ah, this is not the same. I think that theses connections are created by puredata and reaper. In reaper, in preferences, you can uncheck the option "Auto-connect jack audio channels to hardware" in Preferences dialog Audio->Device, it should work.
You can launch puredata with -nojackconnect argument (you can add argument in client preferences dialog in RaySession).

[franeum]

Oh, it works perfectly!
Thank's a lot!