[FFmpeg-user] fast video codec for screen casting

Carl Eugen Hoyos cehoyos at ag.or.at
Wed Jan 4 16:08:43 CET 2012

dE . <de.techno <at> gmail.com> writes:

> setting -f to null results in error -- unknown format null.

Please elaborate (command line and complete, uncut console output), I can
benchmark -f x11grab fine here with -f null

Carl Eugen

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