July 24, 20223 yr CPU: i7-10700k OS: Unraid 6.10.3 Docker Container: Hotio's Plex Repository I just installed my first Docker container on Unraid. I used Hotio's Plex repository and everything seems to be working fine, including 4K hardware transcoding: However, HDR 10 and DoVI doesn't seem to utilize hardware transcoding: According to this Plex Support Article HDR HW transcoding should be supported inside docker. It does mention this, however: Quote On some platforms, it may be necessary to install additional drivers and libraries before this feature can be used. On Linux and FreeBSD systems using Intel GPUs for hardware acceleration, the “libOpenCL” library and “Beignet” GPU driver are required. For instance, on Ubuntu or Debian systems, you would need to run the following command to install these dependencies: sudo apt install ocl-icd-libopencl1 beignet-opencl-icd Maybe I am missing some libraries on unraid to be able to make use of HDR HW transcoding? Now, I am completely new to Unraid and don't just want to start installing random stuff via terminal so I'd rather check in with the community to see what is required to get this working on my system. EDIT 1: When I run "docker exec -it plex ls -lh /dev/dri" in unraid terminal I get the following output: total 0 crwxrwxrwx 1 root video14115 226, 0 Jul 24 14:29 card0 crw-rw---- 1 root video14115 226, 1 Jul 24 14:29 card1 crwxrwxrwx 1 root video14115 226, 128 Jul 24 14:29 renderD128 crwxrwxrwx 1 root video14115 226, 129 Jul 24 14:29 renderD129 When Tone Mapping is enabled in Plex and I attempt to transcode HDR material the following output shows up in my Plex log: beignet-opencl-icd: no supported GPU found, this is probably the wrong opencl-icd package for this hardware (If you have multiple ICDs installed and OpenCL works, you can ignore this message) beignet-opencl-icd: no supported GPU found, this is probably the wrong opencl-icd package for this hardware (If you have multiple ICDs installed and OpenCL works, you can ignore this message) beignet-opencl-icd: no supported GPU found, this is probably the wrong opencl-icd package for this hardware (If you have multiple ICDs installed and OpenCL works, you can ignore this message) Edited July 24, 20223 yr by venicenerd added information
July 24, 20223 yr Author Solution FIXED by using the Linuxserver repository. Apparently there was some sort of problem with some drivers and Linuxserver already implemented the fix: https://github.com/linuxserver/docker-plex/issues/318#issuecomment-1187584352
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