[FFmpeg-user] Re-packing video in new container file really working for all container types (AVI, MP4 MKV, WMV) and codecs?

Carl Eugen Hoyos ceffmpeg at gmail.com
Mon Nov 5 13:26:55 EET 2018

2018-11-05 11:59 GMT+01:00, Ben <bxstover-at-yahoo.co.uk at ffmpeg.org>:

Splitting the answers to make sure that can be no misunderstanding
about the first one;-)

> Is this lossless re-packing possible for all types of video codecs

We call it "remuxing" and it makes sense to use this word here.

> (e.g. H.264, H.265, VP9 and Xvid) and audio codecs (MP3, AAC)
> or are there any restrictions which require a re-encoding anyway?

Not all containers allow all codecs and not all codecs in all
containers (that would be allowed) are necessarily implemented
in FFmpeg.

Carl Eugen

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