[FFmpeg-user] speeding up filter complex
Carl Eugen Hoyos
cehoyos at ag.or.at
Sun Jun 29 13:48:30 CEST 2014
Bouke (VideoToolShed <bouke <at> videotoolshed.com> writes:
> > Did you test if the bottleneck is the scale or the overlay
> > filter?
> Yeah, i did, Bottleneck is definitly the overlay.
> When i input pre-scaled files and omit the scaling in the
> overlay routine, it's only about 10% faster.
What about the speed if you don't overlay but only scale
the input streams (and decode three of them with -f null)?
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