[mythtv-users] MythDVD Rip Quality

[Joseph A. Caputo]

On Tuesday 11 November 2003 05:48, Edward Wildgoose wrote:
> > > I got distracted before really having a good fiddle with this,
> > > but
>
> it
>
> > > did look as though one of the NTSC settings for "perfect" or
> > > "excellent" or somesuch was doing this?  Is it possible?
> >
> >	It should be :-)
> >
> >	MythDVD is just passing options to transcode. It figures out the
>
> kind
>
> > of source material based on things like width, height, letterbox,
> > etc (dvdinput table), and uses those to choose among output formats
> > (dvdtranscode table).
> >
> >	It may very well be that I have not supported some transcode
>
> option
>
> > that would be very useful in acheiving some specific objective
> > (such
>
> as
>
> > PAL anamorphic related flags to do a minimum amount of CPU work but
>
> tag
>
> > the output as 16:9). As long as that option is relevant to the
> > transcoding of DVD's, it should probably be added.
>
> Thanks.  You already talked me through how the table works and I have
> made up some trial command lines, etc.  I came across the problem
> trying to make a "high quality" dvd rip, and I was comparing my
> options against the existing lines for NTSC which don't seem to do a
> resize
>
> Basically I just wondered if anyone actually knew how to pass
> transcode the options for aspect ratio.  I will continue fiddling
> with transcode when I next get some time.  If I can figure it out
> then I will work it back into mythdvd
>
> Thanks
>
> Ed W


A handy tool is "dvdrip", a Perl-based GUI program that is a frontend to 
transcode & other tools.  It logs its command output to a tabbed pane, 
so you could experiment with different options and see what kind of 
transcode commands it generates.

-JAC