Feature Request: hwdec=v4l2m2m-copy when hardware acceleration enabled on ARM devices.

[AlexRay21]

It would be nice if Cine could use hwdec=v4l2m2m-copy when hardware acceleration enabled. By default hwdec=auto-safe will not use v4l2m2m-copy even if the device supports it

[diegopvlk]

The default is auto, does auto-copy selects that one?
Setting hwdec=v4l2m2m-copy in ~/.var/app/io.github.diegopvlk.Cine/config/cine/mpv.conf actually works?

[AlexRay21]

Didn't work, with mpv working perfectly fine

[diegopvlk]

What if you set vo=libmpv in mpv?

[AlexRay21]

Without any output

[diegopvlk]

Without any output

Right, I forgot that won't work, sorry.

Honestly, no idea how to make v4l2m2m work.
I never heard of that before, and the mpv manual does not have any info about it. I don't even know if works with libmpv, which is the vo that needs to be forced so mpv can be properly embedded in Cine. So, not sure what I can do.

[AlexRay21]

I don't even know if works with libmpv

Does it mean that celluloid uses libmpv? Hardware acceleration there works fine

[diegopvlk]

Does it mean that celluloid uses libmpv?

Yes, but celluloid uses the latest version of ffmpeg, cine uses the one from runtime, which I believe is older, could be that.

[diegopvlk]

Please test both flatpaks and report it back:
https://drive.google.com/file/d/1bobQIAzM6BXMlEJzOQGnct5MiciYHTc5/view

[AlexRay21]

Sorry for the delay, but they are built for x86 systems, and flatpak apps doesnt seem to work with emulation layer, I don't know how to run them

[diegopvlk]

I can't build aarch64, so you'll have to build yourself then:

1. Install GNOME Builder -> clone repository -> https://github.com/diegopvlk/Cine.git

2. Modify the manifest io.github.diegopvlk.Cine.json:

• Version 1:
  io.github.diegopvlk.Cine_1.json

• Version 2:
  io.github.diegopvlk.Cine_2.json

3. Run Project (shift+ctrl+space)

[AlexRay21]

So, I tried to build with different manifests, but hardware acceleration is still inaccessible

[diegopvlk]

Then I'm out of ideas, sorry. If someone else can chime in and help with this, that will be great.

[diegopvlk]

One silly question about this: was the toggle in preferences always enabled when you tested?
Because if it's off, even you have hwdec in mvp.conf, it will not work.

[AlexRay21]

Can't remember, but more likely I tried to enable and disable this toggle, but it didn't work, then I tried to create mpv.conf with hwdec, which didn't work either