[mythtv] Myth .nuv MPEG4 format portability

Dave Madsen madsend at myrealbox.com
Wed Feb 26 11:13:09 EST 2003


Yes.  Use mencoder to do it.

mencoder -ovc copy -oac copy

That will essentially repackage the video into an AVI  which should be
playable on other machines.

Dave Madsen
----- Original Message -----
From: "COFFMAN Steven" <SCoffman at covansys.com>
To: "Development of mythtv" <mythtv-dev at snowman.net>
Sent: Wednesday, February 26, 2003 10:45 AM
Subject: RE: [mythtv] Myth .nuv MPEG4 format portability


> Yeah, newer versions of mplayer (such as I have installed) already have
> that patch applied. I can watch them fine on my machine. I would like to
> be able to share a TV episode with a person who does not have Linux.
>
> My question: is there a way I can convert the NuppelVideo file to a more
> common file format such that the MPEG4 portion is not decoded and
> re-encoded at a substantial loss in quality?
>
> -Steve
>
>
> -----Original Message-----
> From: Dave Madsen [mailto:madsend at myrealbox.com]
> Sent: Wednesday, February 26, 2003 12:34 PM
> To: Development of mythtv
> Subject: Re: [mythtv] Myth .nuv MPEG4 format portability
>
>
> The .nuv extension means the file is a NuppelVideo file.  It does use
> the Mpeg4 codec do encode it, but it stores it multiplexed with the
> audio in the NuppelVideo file format, similar to an AVI if you know
> aobut how they work. You can use multiple codecs for the different audio
> and video, but they are all saved in the same file.  You can search the
> archives for a patch that allows the .nuv files to be played with
> mplayer.  This will also allow you to use mencoder which can transcode
> the file into a different file format. Read the documentation for
> mplayer and you should be able to figure it out, if you still need help
> after that, let me know.
>
> Dave Madsen
> ----- Original Message -----
> From: "COFFMAN Steven" <SCoffman at covansys.com>
> To: "Development of mythtv" <mythtv-dev at snowman.net>
> Sent: Wednesday, February 26, 2003 9:42 AM
> Subject: [mythtv] Myth .nuv MPEG4 format portability
>
>
> > Hey,
> > Even if I have Myth setup to use MPEG-4 (and MP3), the extension of
> > the files is still .nuv.
> >
> > What do I need to do to make files portable to players/machines
> > without myth/NuppelVideo support? (Like a windows machine or
> > something)
> >
> > I'd prefer to avoid lossy transcoding if possible.
> >
> > Is it just changing the extension? Somehow, I doubt it.
> >
> > -Steve
> >
> >
> > _______________________________________________
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> > mythtv-dev at snowman.net
> > http://www.snowman.net/mailman/listinfo/mythtv-dev
> >
> >
>
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