[FFmpeg-user] Lavfi video generator slow performance

[Carl Eugen Hoyos]

2018-04-05 0:56 GMT+02:00, Elliott Balsley <elliottbalsley at gmail.com>:

> ffmpeg -f lavfi -i color=color=red -t 60 -pix_fmt rgb48le -y
> -s 3840x2160 ffmpeg\%4d.tiff

Complete, uncut console output missing.

You get significantly higher performance if you tell
the color filter to create its output at the size you
wish instead of scaling later:
color=color=red:s=3840x2160

Carl Eugen