ALSA device setting for exclusive hw access

[Plamper]

Should fix #115

I would still like to make the setting not selectable if ALSA is not set as a sink. @Nokse22 do you have an idea how?

And I did not figure out how to re-add the tickmark after I changed the ComboRow Factory to set max_charater_width like in https://gitlab.gnome.org/GNOME/gnome-control-center/-/merge_requests/3169 It seems to work without it 🤷‍♂️

[Plamper]

The sink also does not seem to reload cleanly, but I think that is out of our control. Playing a new thing fixes it.

[Nokse22]

To make the setting disabled when ALSA is not used you need to connect to notify::selected-item signal of the sink ComboRow then set the new row sensitive property in the signal handler

[Plamper]

@Nokse22 The ALSA sink seems really sensitive towards device disconnects etc. Do you think a simple toast message would be enough?

[Plamper]

I noticed there are a few bugs when switching between ALSA and pipewire. Most of these are avoided by playing a new thing. But when I do it in code, it won't work. I think it is too fast.

[Plamper]

@Nokse22 Fixed the errors. It is working now.

[Plamper]

I also thaught about directly calling aplay -l because it also gives for example HDMI port info and connected device info, making it easier to differentiate between alsa devices. What are your thoughts on this @Nokse22? Sadly, it's not in the flatpak runtime.

[Plamper]

Never mind, I just added it with a fallback option if aplay is not installed. 😅

[Nokse22]

Never mind, I just added it with a fallback option if aplay is not installed. 😅

Good, I was going to say to add it to the flatpak!

[Plamper]

Did that already. Was pretty time consuming because alsa-utils tries to install files to /lib/udev. I just moved them somewhere else. Does not seem to matter for aplay.

[Nokse22]

I don't know, I tested it and it seems to work fine, but I don't have the hardware to test this properly. But since it should not affect users if not playing using ALSA it fine to merge for me.