[mythtv-users] HD1080i or HD480i? 6600 Component out

[Steven Adeff]

On 2/8/06, Steve Skarda <steveskarda at gmail.com> wrote:
>
>
> On 2/7/06, Michael T. Dean <mtdean at thirdcontact.com> wrote:
> > Steven Adeff wrote:
> >
> > >your native mode is essential 1280x720, also known as 720p. You should
> > >try and get the modeline your EDID prints and go from there. I have a
> > >feeling the extra resolution may be to alow for the 1280x720p to be
> > >displayed with no noticeable overscan.
> > >
> > >
> > And, note that Myth will scale the image to fit within the screen.  So,
> > even though you have SDTV that you recorded at 720x480, when you play it
> > back in Myth, it will be scaled according to the MythTV settings ( i.e.
> > usually full screen, but it could be GUI size).  You made a comment
> > about switching to 480i so an SDTV show would take up the whole screen,
> > but this is unnecessary since Myth scales the SDTV to full
> > screen--whatever resolution that is.
> >
> > Mike
> > _______________________________________________
> >
>
> My problem is that I have a 4:3 HDTV.   I setup my xorg for 1080i so I can
> see HDTV shows in HDTV (bars on the top and bottom as expected).    As you
> stated, MythTV correctly scales to the 1080i screen.  But when I watch 480i
> shows, because the output is 1080i to a 4:3 screen, I get bars on all 4
> sides.   Bottom and top from outputting 1080i to a 4:3 screen and sides
> since MythTV is scaled to 1080i and I am displaying 4:3.  I realize that I
> can hit 'W' and rescale the image.  Unfortunately, that means I cutoff the
> top and bottom since the NVidia 1080i output doesn't send a signal to the TV
> for that portion of the display.  Ideally, I would love to switch the Xorg
> tvformat to 480i on the fly based on video.  Is that possible?
>
> Steve

I too have a 4:3 HDTV. I force a 16:9 override in Myth. This keeps
16:9 content in its original format but forces 4:3 content to be
stretched. So for 16:9 content I tell my TV to go to Letterbox mode
and for 4:3 to go to Normal mode and everything works like a charm =)

--
Steve
the other one...