Plex Hardware Transcoding HDR NVENC

[Volts]

HDR → SDR tone mapping is genuinely difficult.

And it’s not currently hardware accelerated on NVIDIA on Windows.

https://support.plex.tv/articles/hdr-to-sdr-tone-mapping/

NVIDIA HW HDR Tone Mapping on Windows

Oh, here’s the load under Ubuntu when I transcode there with the CPU. (the tonemapping picture is the same as in Windows with CPU) ~60% CPU utilization and up to 40% 3D utilization, 0% video engine utilization [1609011945247] [1609011920564] [1609011993218] Since Trancode’s CPU utilization is abnormally high, I would advise anyone against it. We are talking about an 8 core / 16 thread CPU that is well utilized and needs to be cooled accordingly. In addition, the picture via the CPU is wo…