[mythtv-users] Deleting commercials and transcoding

[Matthew M Murphy]

On Fri, 6 Feb 2004, J. Donavan Stanley wrote:

> Matthew M Murphy wrote:
>
> >On Fri, 6 Feb 2004, J. Donavan Stanley wrote:
> >
> >
> >
> >>malcolm-mythtv wrote:
> >>
> >>
> >>
> >>>On Thursday 05 February 2004 09:55 pm, Robert Kulagowski wrote:
> >>>
> >>>
> >>>
> >>>
> >>>>These are MythTV features.
> >>>>
> >>>>
> >>>>
> >>>>
> >>>That sounds good.  I tried playing around with it some to figure it out.
> >>>keys.txt leaves a lot to the imagination.  I assume to edit commercials out
> >>>of a file you go to "watch recordings" and then select a recording?  Then
> >>>when it's playing hit "m" which brings up a progress bar at the bottom of the
> >>>screen.  I then hit Z to load the commercial list.  From there it gets kinda
> >>>iffy and I'm not sure what more to do?
> >>>
> >>>Also since I record with a pvr-250 card can commercials be cut out of the
> >>>mpeg2 file without having to re-transcode?
> >>>
> >>>
> >>>
> >>>
> >>>
> >>Marking commercials and marking cutpoints are two different things.  You
> >>turn on commcercial flagging in the setup section of the frontend.
> >>
> >>The "m" key lets you mark cut points (sections to be skipped over during
> >>playback / transcode).  You can load your automagicly marked commercials
> >>as cutpoints, tweak them and what not.  Pressing the space bar while in
> >>this edit mode allows you to mark a point as a cut point.  You block out
> >>sections by creating high/low water marks of "Delete after this frame" /
> >>"delete before this frame" cutpoints.
> >>
> >>If you press "X" during playback it will mark the file to be
> >>transcodeded to MPEG4 (in your case).  Anything marked with the cutlist
> >>will be removed from the transcoded file.
> >>
> >>Right now there's no good way to transcode from MPEG2 to MPEG2 and
> >>remove commercials.  There's some rough code in CVS but it was some
> >>issues that need resolved before it's usable.  (Which is one of the
> >>reasons I've not finished the DVD modules yet)
> >>
> >>
> >
> >
> >Where does the MPEG4 version end up when you press X?  Do you need to have
> >the MPEG4 transcoding profile set up in order for this to work?
> >
> >
>
> Well you already have an MPEG4 profile setup it's just the default one...
>
> As for where it goes, it replaces your MPEG2 recording, though you can
> tell it to keep the old copy.

Thanks for the info.  How would one tell if an .nuv file is an MPEG2 or
MPEG4 file?