[FFmpeg-user] How to split webm files quickly?

Vincent Deconinck vincent at deconinck.info
Wed Jul 5 00:33:39 EEST 2023

> I currently use these commands to split it. But it is very slow. I
> have waited for 15 minutes without getting the first chunk finished.
> What is the fastest way to split a video file like this? Thanks.
> f=input.webm
> ffmpeg -i "$f" -acodec copy -ss 00:00:00 -t 00:15:00 0.webm
"-acodec copy" prevents re-encoding of the audio track.
Have you tried adding "-vcodec copy" to also prevent re-encoding of the 
video track ?

Kind regards,



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