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voc / voctomix

Full-HD Software Live-Video-Mixer in python
https://c3voc.de/
MIT License
573 stars 104 forks source link

voctogui: does a gtk4 port make sense? #329

Open jane400 opened 1 month ago

jane400 commented 1 month ago

Recent developments with GTK4 look interesting, especially the Graphics offload revisted blogpost, where gstreamer (gst-plugins-rs) also gained support for recently in the gtk4paintablesink. This would also fix our X11 dependency for voctogui, as we could to switch to wayland and maybe even have zero-copy playback (if there are no hardware quirks on those laptops :upside_down_face:).

It would be a larger undertaking as things like Shortcuts have a new API, but it should be doable.

The more pressing questions are: Does it make sense? As @Kunsi and @sophieschi contributed recently: are you comfortable with GTK4? I think I have the skills to port it (I don't know GTK3 that well anymore tho), but other people should still be able to contribute.

Kunsi commented 1 month ago

I don't have any preference on GTK3 or GTK4, so i'm fine either way.

We need to make sure we stay compatible with atleast the following operating systems:

Also, we need to have compatibility for x11. Gaining wayland support sounds like a nice addition.

(Side note: Switching from GTK3 to GTK4 would probably be considered a breaking change according to semver, which means we'd have to release 3.0.0 then)

jane400 commented 1 month ago

Hmm, Ubuntu LTS is annoying, those things were only recent additions. (also wayland support can probably also be done with gtk3.)

Also note, that there isn't a direct glade port for GTK4. There is this replacement tho: https://gitlab.gnome.org/jpu/cambalache

The probably only advantage with GTK4 & X11 is that the GUI is rendered on the GPU instead of the CPU. I just hope x11 backend in gtk4 is working good enough for voctogui.