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

Einar R√ľnkaru einarrunkaru at gmail.com
Wed Dec 28 09:51:39 CET 2016


Hi

On 27 December 2016 at 15:27, Terje J. Hanssen <terje at nordland-teknikk.no>
wrote:

> 1080i HDV.m2t contains video of long-GOP MPEG-2 compression, 1440x1080,
> 8-bit 4:2:0and 25 Mb/s data rate that can be loaded in Cinelerra.
>
> 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?
>
> 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.

Einar
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.cinelerra-cv.org/pipermail/cinelerra/attachments/20161228/92b6bea3/attachment.html>


More information about the Cinelerra mailing list