[FFmpeg-user] Lavfi video generator slow performance

Carl Eugen Hoyos ceffmpeg at gmail.com
Fri Apr 13 01:41:38 EEST 2018

2018-04-13 0:31 GMT+02:00, Elliott Balsley <elliottbalsley at gmail.com>:

> ffmpeg.exe -f lavfi -i mandelbrot=s=3840x2160 -t 10 -pix_fmt rgb48le
> -f null -

Why do you convert to rgb48?
Do you understand that this cannot improve quality?

The mandelbrot filter is slower than the color filter, yes.
(asm optimization patch likely welcome.)

Carl Eugen

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