Looking forward to the upcoming RPi4B+ vacuum tube edition.
Posts by powerarmour
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I use an AMD 5950X to encode stuff with in Handbrake, I dread to think how long some of the jobs would take an RPi4
Also for <=1080p files H.264 is still often optimal for filesize/quality compared to H.265.
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in theory !
125 MB/s minus overhead := "effective data rate"
Indeed, it's more like 90MB/s in reality.
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I've just tested this myself on my T95 Max (w/LibreELEC 10.0.1 stable), to confirm you can't rotate the video via DTP, but it works via EGL:
Note this is obviously just the video, not the whole display UI.
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oh, I wasn't aware that RPi 3 has only 100 mbit LAN.
RPi3 does, RPi3B+ has a Gigabit controller connected to the USB 2.0 bus, so it's a bit faster (so 480 Mbps, but in reality more like ~300 Mbps)
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any pointer ?
Try disabling DRM PRIME and letting it fall back to VAAPI, is HW decoding shown then?
H.264 8/10bit decoding 'should' be supported by your IGP though.
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I tried it with lubuntu but it doesn't show me the option of 60hz. Max option is 30hz
Could also be a cable issue, so try another if you can?
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questions:
why do I see "ff-h264-drm_prime (SW) ?
does it mean all GPU-HW-Features are switched off ?
Yes, but only for that particular codec depending on HW capabilities, for example VP9 profile 1 might show (HW) but VP9 profile 2 might show (SW) or the hardware decoder might support 8bit colour and not 10bit (which is fairly common).
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I just picked up a dirt cheap Allwinner H6 TV Box (T95 Max) just to experiment with and not really expecting it to be perfect with any of the latest TX6 images, but it works great (apart from IR and WiFi, but hey) and I'm pleasantly surprised tbh, good job.
dmesg log:
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I am trying to make a new install for my Pi 3, but I am having difficulties. my laptop runs Linux Mint 19.1
It should be straightforward if you already have the gnome-disk-utility installed, just download the image instead, and then 'restore disk image' to the card/drive you wish to use.
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The hardware video decoder in the IGP is normally enough for processing, the CPU performance is only relevant for running heavier skins etc, but a couple of cores (2C/4T) is usually fine.
Anything >Intel Apollo/Kaby Lake should be okay for HDR, and for AMD the Vega based APU's are good too (if overkill on performance per watt).
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I've been using the below build on my Hades Canyon NUC system (Vega M GPU) and it's been great with HDR so far:
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Yep, that new build is really good so far. RPi4 is delivering a top notch experience now, credit to everyone involved.
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So what is good, will be supported for a while and will not cost as much as Nvidia?:)
Intel NUC and equivalent devices, or the trusty RPi4.
Everything else will need a bit more homework and research tbh.
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I'm still a bit concerned about AV1 support in general tbh, the two main mobile SoC manufacturers (Qualcomm and Apple) still don't support it in their latest hardware, and until they do it'll struggle to gain much traction IMHO.
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...ASRock J4205-ITX board (Apollo Lake w/1.77.93 LSPCON firmware)
Also tested the 1.78.4.0.4 firmware from here: https://www.intel.com/content/www/us…e-nuc8i7be.html
Had to double check it's the same MCDP2800 LSPCON, and it is: https://www.kinet-ic.com/mcdp2800/
Again, all updated fine and worked with HDR content switching fine also.
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LibreELEC-Generic.x86_64-11.0-devel-20211020222733-d3745e7.img.gz
This is from Oct. 20 master branch (Kodi 20) with the Atmos patch included.
Just FWIW, I've tested this image with a Hades Canyon NUC and an ASRock J4205-ITX board (Apollo Lake w/1.77.93 LSPCON firmware) and both perform with HDR content switching wonderfully (w/PRIME HW decoding).
I know my Hades Canyon NUC has native HDMI 2.0b ports, but I wasn't expecting the Apollo Lake board to work with HDR content due to the internal DP-HDMI LSPCON, but it's certainly proved me wrong.
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- AMD support is included this time (radeonsi mesa driver)
LibreELEC-Generic.x86_64-11.0-devel-20210904012247-ebf2ee0.img.gz
Tested on my Hades Canyon NUC, but the PRIME Decoding had to be disabled otherwise videos played with a blank screen.
Otherwise good though.
