Hardware acceleration - Video vs. 3D?

[Roland]

There has been a lot of discussion about 3D hardware acceleration on this forum...

Is Video hardware acceleration totally independent of 3D acceleration, or are they somehow connected? For which Radeon cards is this video acceleration exactly available...? Is it there the same problem as with 3D, the newest cards being unsupported?

PS. I hope I get some answers this time...Not like to talk to o.s. here !-)

[xeno74]

Hi Roland,

Video playback and 3D acceleration work better with RadeonHD 4xxx, 5xxx, and 6xxx graphics cards.

Cheers,
Christian

[xeno74]

I currently use the OpenGL video output with hardware 3D acceleration on VLC ('Accelerated video output Overlay'). As input codec I use the 'VA-API video decoder via DRM' for hardware-accelerated decoding on my X5000 and X1000 (Menu Tools - Preferences - Input / Codecs). It works with my Radeon HD4870 (X5000) and with my Radeon HD6870 (X1000).

[Roland]

Video playback and 3D acceleration work better with RadeonHD 4xxx, 5xxx, and 6xxx graphics cards.

Ok, I'm on the safe side as I have currently a 5450. Is there any difference in video performance between the different models of 4/5/6xxx series?

How about a R7 240, how much lower video performance can you expect with it?

[Roland]

I currently use the OpenGL video output with hardware 3D acceleration on VLC ('Accelerated video output Overlay'). As input codec I use the 'VA-API video decoder via DRM' for hardware-accelerated decoding on my X5000 and X1000 (Menu Tools - Preferences - Input / Codecs). It works with my Radeon HD4870 (X5000) and with my Radeon HD6870 (X1000).

I had also VA-API selcted, but without DRM. When I tested it with DRM, I did not see any difference. Should there be...?

If you just have a few minutes free, could you (and others too, if you wish) please test this:

Open Arctic Fox (in Fienix), and check that you have a recent ViewTube+ installed (5.10.2019 or 7.10.2019). Then open this videolink (https://areena.yle.fi/1-50288552), and select from ViewTube+ menus "HTTP: Live Streaming M3U8", and then copy the link using "get/link/copy link location'.

Then open VLC, and paste that link there and run it. In what resolution/fps is the video running when it has after a while chosen the final mode (Tools/Media information/Codec)? Is the video running ok, without momentary slow downs or distortions? What is the average CPU usage/core (open Mate System Monitor), when the video is running at full screen width?

If you have a monitor which has higher horizontal resolution than 1280, could you please also test the same with the horizontal resolution limited to 1280 (add the line "adaptive-maxwidth=1280" into /home/.config/vlc/vlcrc).

Thank you !-)