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

[Vincent Deconinck]

> Can I always specify -vcodec copy even for audio files? Or it will
> have a back consequence? Thanks.

I don't think using the -vcodec option would have any effect if the 
source does not have a video track.

However, if you just want to make sure no re-encoding happens in audio 
or video, please note you can use the generic option that applies to all 
tracks :
-codec copy

     Vincent

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