[mythtv-users] SVN mythtranscode
mythtv2005 at bdam.de
Thu Jan 12 11:17:35 UTC 2006
On 1/12/06, Phill Edwards <philledwards at gmail.com> wrote:
> > Haven't seen anyone reply to this yet so I will. Notice he said 'lossless'.
> > The MPEG2->MPEG2 transcoding in SVN is for cutting only, it does not
> > re-encode the frames (except around the cutpoints I believe). So, the
> > space savings from using it are because you get to cut out those 20 minutes
> > of commercials out of every hour of show and if you're using TS files,
> > you may save space since the output format is PS.
> Thanks Chris. What prompted me to think that lossy might be an option
> in SVN was that he said "...using the -m switch (which should turn ON
> lossless) creates a file the same size as without it". That implies
> that if you don't use the -m switch you get a _lossy_ conversion which
> is what I actually want! If there is no lossy trancoding, why is there
> a -m flag to specify lossless if that's all it does anyway?
-m doesn't mean lossless, it just means "Perform MPEG2 to MPEG2
transcode". You can change the transcode settings for this profile to
lossless in mythfrontend.
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