On Mon, Feb 21, 2005 at 06:01:44PM -0500, Adam Prentice wrote: > I've noticed a bit of discussion regarding HDTV, but I haven't seen anything > about actually outputting at 1080i to an HDTV set. It's great to be able
Really? We talk about it a lot here. > I recently purchased a Commell LV-667 with Y,Pr,Pb outputs....but due to the > lack of drivers I haven't been able to view in 1080i on my TV. Since there > doesn't seem to be a working solution (ie working drivers) anytime soon I've > been looking at the Commell LV-671 which they claim outputs HDTV....but > they're lacking info regarding their MA-HDTV module ..and since I can't find > much info regarding the Intel 855GM chipset working with linux I am hesitant > to buy another board that may not work for me. > > I also haven't been able to find another option with quality 1080i > outputs....does anyone have mythtv working with 1080i on their HDTV...if so, A lot of people run 720p instead of 1080i, especially since most DLP and LCDs and flat-panels only have between 720 and 768 lines of resolution anyway. However, with randr, switching between 1080i and 720p can be ideal. You definitely don't want to take 720p output, upsample it to 1080i and then feed it to a TV to downsample to a 720 line native resolution. On the other hand, downsample 1080i to 720p with bob deinterlace and feed to 720 line native TV doesn't look too bad. So if you are going with one res, 720p may be the way to go. 1080i over DVI is a nightmare. I don't know anybody who has done it as of yet. Nvidia drivers have bugs. It is the holy grail of 1080i though. Many people use a converter like the Audio Authority VGA -> YPbPr adapter, which sells for about $125. I have one but don't use it any more because my newer TV takes RGB inputs directly, even has a VGA port. ATI sells a component adapter for their cards but it does not work with linux drivers. The 6600 nvidia card has component output, there was a big thread about it recently.
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