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Old 29th July 2023, 13:37   #1  |  Link
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Join Date: Dec 2003
Posts: 487
4k encode super small

I have a 4k HDR10/DolbyVision IMAX of Top Gun Maverick. Want to put it on my media server. I ran the following against the video:

ffmpeg -i Top.GunMaverick.mkv -sn -an -f yuv4mpegpipe -strict -1 -pix_fmt yuv420p10le - | x265-10b - --input-depth 10 --output-depth 10 --y4m --preset slow --hdr10 --hdr10-opt --high-tier --repeat-headers --crf 20 --master-display "G(13250,34500)B(7500,3000)R(34000,16000)WP(15635,16450)L(40000000,50)" --max-cll "1000,401" --chromaloc 2 --no-sao --range limited --keyint 24 --colormatrix bt2020nc --colorprim bt2020 --transfer smpte2084 --dolby-vision-rpu rpu.bin --dolby-vision-profile 8.1 --vbv-bufsize 160000 --vbv-maxrate 160000 TopGunMaverick-output.hevc
The whole time it was encoding was complaining about

Skipping NAL Unit 63

Which I understand is some layer or something from DolbyVision that ffmpeg can't handle?

The final output of the video was 3.8GB from an extracted source of 78GB. Outside of watch it and see as I'm never good with that checking quality does that sound wrong?
jriker1 is offline   Reply With Quote

ffmpeg, x265

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