[mythtv-users] Displaying 1080i on 4:3 standard TV

Steven Adeff adeffs.mythtv at gmail.com
Tue Mar 21 22:39:10 UTC 2006


On 3/21/06, Mike Schlottman <mschlott at spe.org> wrote:
> > -----Original Message-----
> > From: mythtv-users-bounces at mythtv.org [mailto:mythtv-users-
> > bounces at mythtv.org] On Behalf Of Lee Koloszyc
> > Sent: Tuesday, March 21, 2006 1:02 PM
> > To: Discussion about mythtv
> > Subject: Re: [mythtv-users] Displaying 1080i on 4:3 standard TV
> >
> > Mike Schlottman wrote:
> > >
> > > First a question. Is it even possible to display all of a 1080i
> > > broadcast on a standard 4:3 TV?
> > >
> > > When I try to do this I get a display that looks like the picture
> has
> > > been shifted to the right. There is a wide black bar on the right,
> > > with the expected black bars on top and bottom. If I use the aspect
> > > override settings, the best I can do is a larger picture that is
> > > butted against the left side and has a portion of the right side cut
> > off.
> > >
> > > I'd like to hear from anyone who has ever seen this work, just so I
> > > know it can be done. If you have pointers on how it might be done,
> > > that would be great too.
> > >
> > > Thanks
> > >
> > > mike
> > >
> > >
> > I am pretty sure it can work as it should scale to the 4:3TV. Assuming
> > you are using the onboard videocard, I would wager that it has the
> same
> > problem my ATI has. As Kevin Kuphal stated about the ATI card:
> > " Previous posts to the list indicate this is an issue with the
> hardware
> > scaler in the ATI chip not scaling the HD content properly. "
> > So to test this theory out make a 1080i HD recording and then play it
> > back using 'mplayer -vo X11 filename ' and see if it displays
> properly.
> > As a temporary solution (and since my TV is only Standard Definition),
> I
> > just transcode anything recorded on the 1080i channels as the 720p
> > channels playback fine.
> >
> >
> > Lee
>
> I'm going to try playing back a 1080i recording with mplayer tonight.
> What does the -vo X11 option do?  I couldn't figure it out from the man
> page. I'll check it out xine as well.  If I cant get either of them to
> display properly, I'll probably upgrade the nvidia drivers.  I'm
> currently running 7174.  If all else fails I'll check it out in M$ MCE.
>
> Also, I am not using an onboard video.  It is an AGP FX 5200.

X11 is the standard unaccelerated video output. -vo tells mplayer to
use it instead of Xv for example.

Try using the 7676 drivers.

is your 4:3 tv an SDTV or an HDTV?

have you looked at the output on a monitor?

--
Steve


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