[FFmpeg-user] The newest ffmpeg split video very slowly with async 2 or 1

Carl Eugen Hoyos cehoyos at ag.or.at
Tue Oct 23 10:51:42 CEST 2012


Tony Song <ssaoying <at> gmail.com> writes:

> # ffmpeg -y -ss 00:01:00.00 -t 00:01:00.00 -i /data/test.mkv -vcodec
> libx264 -async 2 -f mpegts /data/test.ts

Does it work without -async 2 ?
(What is -async 2 supposed to do?)

Carl Eugen



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