Quote:
Originally Posted by redbtn
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That's a quite complex command line! I'd start without all the tweaks, and just do something more like:
Code:
--preset slower --hdr --hdr-opt
I don't know what value you'd get from a min-keyint of 1 or setting min/max luma.
Level 5.1 has maxrate/bufsize limits of 40000, not 160000.
It appears you've not set CRF OR bitrate, which means it's being encoded at the default CRF, which is quite high. If you're aiming for excellent quality, I'd start with 18 and iterate from there.
--hdr-opt will tweak the chroma QPs better than just setting the offsets. And if you didn't set HDR, you didn't get HDR metadata, and the video is likely playing back as if it had SDR values, which would look terrible!
And don't set --chromaloc unless you've actually changed the chroma location. If you DID change that, let me know what tool you used to do it!
Also, where did you get your MaxCLL and MaxFALL values? A MaxFALL of 900 suggest at least one blindingly bright frame, and no consumer TV available can actually display a MaxCLL of 3200 nits. Not that content doesn't get made that way sometimes, but I'd definitely investigate the content to make sure something didn't go horribly wrong.