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

JCA 1.41421 at gmail.com
Wed Dec 28 20:40:28 CET 2016


Thanks. I am afraid though that Avidemux also cannot do frame-accurate
editing of x.264 video :-( I guess this is the purview of professional,
non-free tools.

On Wed, Dec 28, 2016 at 12:37 PM, igor_ubuntu <sitelve at gmail.com> wrote:

>
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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.*
>>
>
>
>>
>> *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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