ffmpeg and x265 benchmark CMD - help

[Selur]

No accounts were copied on the move from forum.selur.de to forum.selur.net

You probably want:

ffmpeg -f lavfi -i nullsrc=s=4096x2160 -r 50 -filter_complex "geq=random(1)*255:128:128"  -t 2 -pix_fmt yuv420p -vsync 0  -f yuv4mpegpipe - | x265 --input - --y4m --ouput-depth=8 --keyint=60 --ref=3 --bframes=4 --profile=main --preset placebo --crf 27 -o "video.hevc"

assuming you want 4:2:0 output
and

ffmpeg -f lavfi -i nullsrc=s=4096x2160 -r 50 -filter_complex "geq=random(1)*255:128:128"  -t 2 -strict -1 -pix_fmt yuv420p10le -vsync 0  -f yuv4mpegpipe - | x265 --input - --y4m --output-depth=10 --keyint=60 --ref=3 --bframes=4 --profile=main10 --preset placebo --crf 27 -o "video.hevc"

if you want 10bit 4:2:0 output.

Instead of

-o "video.hevc"

use:

-o NUL

on Windows and

-o /dev/null

anywhere else.

Cu Selur