[mythtv-users] Verify Lossless MPEG-2?

Paul Harrison mythtv at dsl.pipex.com
Tue Jan 23 18:46:42 UTC 2007

Philip Murnane wrote:
> Hi All,
> I'm running svn mythtv-0.20-fixes from around 2007-01-15 on Ubuntu 6.06
> using a Hauppauge WinTV PVR-250, and would like to verify that
> mytharchive is using lossless mpeg-2 when burning a dvd from a recording
> with a cutlist.
> I can't find anywhere in the logs where the "-mpeg2" flag appears.  Is
> there someplace I can look to make sure the transcoding is lossless?
> I'm guessing it is, since CPU utilization stays about 40% on my P4 2.8G
> HT, but I'd like to make sure.  Lossless transcoding is selected in
> Utilities/Setup->Setup->TV Settings->Recording
> Profiles->Transcoders->Autodetect from MPEG2, and I select Don't
> re-encode on mytharchive's Items Selected for Archive screen.
> TIA,
> --Phil
Mythtranscode doesn't support re-encoding to mpeg2 so in MythArchive 
it's only ever used in lossess -mpeg2 mode when cutting commercials or 
to try to clean up any time code errors in mpeg2 files. If any 
re-encoding is required its done in ffmpeg.

Paul H.

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