[mythtv-users] Re: HDTV (HDCP) + MythTV

mediaserver mediaserver at itestsolutions.com
Sat Jul 12 09:37:48 EDT 2003


"If anyone is aware of a good DVI to component video adapter that works
under Linux, I'm all ears..."

I am not sure what your budget is or whether you are willing to take a look
at hardware signal converters, but this external signal processor should do
the trick for signal conversion to HDTV formats.

http://www.extron.com/download/files/catalog/usp405.pdf

This might also work for you.

http://www.extron.com/download/files/catalog/dds402.pdf

These devices are OS-neutral and require no drivers.  I do not work for
extron, but do own a couple of pieces of their equipment.   I use a super
emotia scan converter for external scan conversion of my computer video
output.   Their stuff is built like a tank and works exactly as advertised.
Using an external converter would also free up your video card decision,
since you can then make use of any supported video card, whether it has TV
out or not.

Regards,

'Pulley

-----Original Message-----
From: mythtv-users-bounces at snowman.net
[mailto:mythtv-users-bounces at snowman.net]On Behalf Of Jarod C. Wilson
Sent: Monday, July 07, 2003 2:42 PM
To: mythtv-users at snowman.net
Subject: [mythtv-users] Re: HDTV (HDCP) + MythTV


On Monday, Jul 7, Chris Baker wrote:

> Does anyone in these forums use DVI with HDCP support for display to an
> HDTV? I understand that most of my inputs will not have this quality,
> but for DVD and playback of other high resolution sources, HDTV is
> prefered. I've noticed that alot of people prefer the geforce4 chipset
> for use with svideo, however I have found no geforce chipsets that
> support HDCP (which is required for display to an HDTV monitor). I
> however found that ATI does, and I feel this would be my best bet. I
> have a few days before frys doesn't let me take back this geforce, so
> any success stories (or failures) that people have trying to do this
> would be appreciated.

I've got an HDTV I'm feeding from my MythTV box, but unfortunately, it
is an older one and does not have the facilities to accept direct DVI
input (I kick myself for not getting a different TV sometimes, but the
price was right...).

> What chipset do you use for display to  your HDTV?

I've used both a GeForce 4 Ti and a GeForce 4 MX with excellent results
(both via S-Video). But I still use a separate progressive-scan DVD
player connected via component video for DVD playback.

> What resolution do you playback at?

I'm running X at 1024x768, which gets stretched out. For MythVideo, I
added a switch to have mplayer called to compensate for the distortion,
so videos get played back like they should. I just added -monitoraspect
16:9 before the end of the call for mplayer, and mplayer vertically
scales movies to compensate for the width distortion (otherwise,
wide-aspect divx movies only use the middle 2/4 of the screen). TV is
another matter; it is a bit wider than normal, but that's the way my
digital cable always looks, so I'm used to it.

One thing I considered for a while was going with an ATI video card,
and using their DVI to component video adapter to feed my TV, but from
everything I read on their site, it only works with a few of their
cards, and requires Windows drivers to work correctly.

If anyone is aware of a good DVI to component video adapter that works
under Linux, I'm all ears...

-jcw

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