On Friday, February 18, 2022, Andrea paz <[email protected]> wrote:
> In X11, using YUVA8 I find the same playback efficiency of RGBA-Float. > With RGBA8 the playback is similar, but using vaapi it improves a bit > in reverse. > > The problematic vp9 video is as follows: > https://www.base-n.de/webm/VP9%20Sample.html > Other vp9 videos work much better. > > > strange, it does not look particulary big (nor in duration nor in dimensions)... > > Rendering > > Starting from RGBA8: > 1080p/422p/25fps : 27 fps > 1440p/422p/25fps : 24 fps > > Starting from YUVA8: > 1080p/422p/25fps : 21 fps > so, close to realtime on your hardware..... https://www.linuxfromscratch.org/blfs/view/svn/multimedia/libvpx.html according to this page nasm OR yasm can be used (for compiling x86 assembly parts), so may be older distros still get full-speed encoder...
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