[CinCV TNG] MPEG-2 native lossless editing without re-encoding

igor_ubuntu sitelve at gmail.com
Wed Dec 28 20:37:20 CET 2016


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> *Terje 1) I wonder if it is possible to do simple edits (cuts, join,
> transitions) and save the result as MPEG-2 video with Cinelerra? 2) Can
> this be done "native" and lossless without a lossy generation re-encoding
> of everything, except locally at cuts/transition? Einar *
> *It is possible and cinelerraCV occasionally does this. The problem is
> that switching from 'pass-through' to reencoding leaves visible artifacts.
> Worse is that you don't see the artfacts during editing when you can fight
> with them, but rendered material. There are reports of this behaviour in
> this ML.*
>


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> *JCA <1.41421 at gmail.com <1.41421 at gmail.com>>:Does this mean that Cinelerra
> can do frame-accurate editing of mpeg2 video without re-encoding? What
> about x.264 video? *
>


How to make `frame-accurate editing` in Cinelerra, if C. does not show  I,
P, B -frames ?
AFAIU only Avidemux can show I P B -frames.
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