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  1. Hi All, I have mostly made posts moaning about how stuff doesn't work right/the way I want to, but I'm going to give back to the community today! For the TL;DR skip down a few paragraphs, just me venting my woes I go into how I got hardware acceleration to work when it wasn't and everything said it should have been on an Ubuntu LXC container I originally built a FreeNAS machine, on which I planned to store loads of stuff including media, and saw that it had media player plugins. I didn't think too much of it at the time (except I didn't want to use Plex because my experience with it showed that it wasted resources/was the 'dummy' version) so I specced out my server and I built it. I chose a Sky Lake/Kaby Lake cpu for a number of reasons, but one of them was the iGPU. I tried using an Emby plugin but that didn't work (now know it's a whole .NET issue with FreeBSD) and then tried a Docker container of Emby - worked fine, but no hardware acceleration. I wasn't sure why, but I knew I needed more power in the server for the transcoding and other stuff I was using it for so I got a Kaby Lake Xeon cpu, making sure to get one with an iGPU, and kept on plugging away. To cut to the chase: - found out I needed to pass /dev/dri to docker - found out I needed VAAPI to get use of the gpu, but FreeNAS did not support it so it would need to be in a VM and FreeNAS was going through lots of changes - looked around for a few other operating systems that could be used for my purposes, tried OMV - it didn't like ZFS - landed on Proxmox, perfect for my needs - can spin up debian/ubuntu LXC containers easy peasy while passing through whatever I want from the root OS & can make VMs for other OS'/things I want more secure - found out that my motherboard had the C232 chipset & I needed the C236 chipset to use the iGPU - Finally bought the right motherboard Honestly, you would think I had done absolutely no research! But a lot of this was new to me and I didn't realize what I would be using the machine for (didn't know how much use I could get out of Emby per se - I already had an HDHomeRun and Apple TVs...). So I swapped in the right motherboard (plus I got some more SATA ports - gonna be cloning my zpool later to a much larger one w/ more redundancy since I'm using the machine for work too now) and went about making sure that dev/dri and fb0 were passed through to the Emby LXC container. *****Skip to Here***** At this point I double checked that everything was being passed through to the container (eg lspci) & went through the Emby documentation (they state that it Emby should have all the drivers that it needs built in, e.g. their own FFmpeg build). However, when I would play a file that was a direct feed it played fine, but when I tried playing a 4K HVEC or 9/10Bit/VP9/VP10 whatever they actually decided to call that, the video would just load and never start. I went into the console and VAAPI was indeed installed and showed that it was able to decode/encode the appropriate files for my cpu. Checked the log - it looked like FFmpeg was doing it's thing and transcoding the file writing stuff to the temp folder and including a transcoding rate (e.g. at one point it said it was transcoding at 66.6 x frames ). I was about to post on the forum, but I really really really have been wanting to get this working. So I looked around and I found the following site, or rather series of files from the VAAPI sites: https://github.com/intel/media-driver The genesis before that link was basically that VA API needed some extra libraries/intel media SDK to operate depending on the OS/CPU. So that link is for an addition driver that has links to two other libraries that are needed first (libva & GmmLib) along with their dependencies/reqs to build them. Follow the links and cit clone those libraries over to a build directory, make them and install them. For less experienced people the GmmLib instructions are less clear: after git clone GmmLib, make a build directory for cmake & change into it you issue the cmake command with '-DCMAKE_BUILD_TYPE=Release', the site just shows you the possible options. I left out the -DARCH=64 bit because from what I saw on the internet others didn't use it, but you DO need to reference a cmake build file for the command. That is in the root folder of the build folder you made. so either add '..' at the end or '/wherever you git cloned to/gmmlib' to the end of the cmake command and it will run. Then you do the make -j8 command followed by the make install command. Once those two guys are added I git cloned the media-driver bit in, followed the instructions, restarted the container and honestly didn't expect anything to have changed. But hardware transcoding started working like a charm! I do NOT know if it was a combination of those libraries, if it was a dependency of libraries (or maybe just me having to reset the BMC a bunch of times b/c my fan control script was acting up, but I highly doubt that's what it was) but after the above everything worked. As a final note, I don't think this is a shortcoming of the Emby team. As far as I can tell people are using hardware transcoding via the VAAPI files Emby installs just fine. Maybe it had to do with the specifics of my case - Emby running in an LXC container, the LXC container running inside of Proxmox, the fact that because I have IPMI the BMC has it's own video device that are seen in the OS'. I'm just happy I got it to work (maybe can help the Emby team do some investigating) & hope this can help others save some time. Cheers!
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