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HDCP Question

D

Da Man

Gawd
Joined
May 1, 2001
Messages
724
Hi,

I am running windows xp pro 64 bit, and a evga GeForce 8800 GTX. My questions are


1) It says HDCP enabled on the box. Does this mean if I got a blue ray player on my computer, I could export the picture to my TV at the full 1080p? Or am I limited in what reso I can support(due to DRM or whatnot).

2) My tv has 1 free DVI input, and 1 free HDMI input. Is there any difference in using a DVI-DVI vs DVI-HDMI when getting the signal from my PC to the TV. Will DRM or such break the signal if I use the wrong one?

3) My normal DVD player is a piece of crap that exports in 480p only. Can I play my DVDs on the PC so that I upconvert to 1080p, and then send on to the TV? How would I go about doing that.


Thanks!
 
Da Man said:
Hi,

I am running windows xp pro 64 bit, and a evga GeForce 8800 GTX. My questions are


1) It says HDCP enabled on the box. Does this mean if I got a blue ray player on my computer, I could export the picture to my TV at the full 1080p? Or am I limited in what reso I can support(due to DRM or whatnot).

2) My tv has 1 free DVI input, and 1 free HDMI input. Is there any difference in using a DVI-DVI vs DVI-HDMI when getting the signal from my PC to the TV. Will DRM or such break the signal if I use the wrong one?

3) My normal DVD player is a piece of crap that exports in 480p only. Can I play my DVDs on the PC so that I upconvert to 1080p, and then send on to the TV? How would I go about doing that.


Thanks!
Click to expand...

With regards to Blu-ray viewing:

You won't be able to watch Blu-ray movies if either end lacks HDCP. The DVI port on the TV needs to be HDCP compliant in order for it to work. Since HDMI inputs are usually HDCP compliant (not required but most are) it shouldn't be a problem connecting there. No matter what you are always limited to the resolutions of your TV.

You can say HDMI essentially combines DVI and audio into one (just a different connection at the end + higher bandwidth). So DVI-HDMI is possible and vice versa.

Regular DVDs:

By connecting your PC to the TV via DVI or HDMI or even VGA you are not subjected to just 480p. You can up-convert to whatever suits your likes, limiting factor only being your equipment and what it can do. Just connect PC to TV via input of your choice, set resolution (accordingly to your TV), pop in movie, and enjoy!

I'm a bit rusty, but sounds about right.:D
 
Video is degraded to 960x540 if the ICT (Image Constraint Token) flag has been set in the BR/HD DVD video stream. There have been a couple of BR titles that have ICT enabled, but it's not included in the vast majority of BR or HD DVD titles. The major studios seem to be holding off until at least 2010 (or 2012) before enabling ICT for more titles.

See
http://arstechnica.com/news.ars/post/20060521-6880.html
http://arstechnica.com/news.ars/post/20060327-6473.html

You can currently watch BR (with a couple of exceptions) and HD DVD movies over unprotected digital or analog (component) in full resolution. You already have HDMI on your video card and TV so that should be fine. Even the DVI port should work fine right now.

Upsampling will depend on your DVD playback software. If it switches full screen to a low resolution, it won't upsample to 1080p of course. My HDTV had a cheap 8400GS and it was able to output DVDs at 1080i (the highest my TV goes). I can't wait to upgrade to a 1080p HDTV later this year.

The only problem I see is if your XP x64 video drivers are supported by BR playback software. The 2 biggest software player makers have a tool to download which will tell you if everything is OK for playback on your system.
 
Sounds like the ICT thing only happens (if the disc even has it) if you are trying to output via component or something. Since I would be outputting from a HDPC video card to a HDMI port on a TV... sounds like I would be in the clear? Is a PC considered a legit playback device?


What is that link I need to take my PC to to test if I am compatible.. //off to google it now
 
Da Man said:
Hi,

I am running windows xp pro 64 bit, and a evga GeForce 8800 GTX. My questions are


1) It says HDCP enabled on the box. Does this mean if I got a blue ray player on my computer, I could export the picture to my TV at the full 1080p? Or am I limited in what reso I can support(due to DRM or whatnot).

2) My tv has 1 free DVI input, and 1 free HDMI input. Is there any difference in using a DVI-DVI vs DVI-HDMI when getting the signal from my PC to the TV. Will DRM or such break the signal if I use the wrong one?

3) My normal DVD player is a piece of crap that exports in 480p only. Can I play my DVDs on the PC so that I upconvert to 1080p, and then send on to the TV? How would I go about doing that.


Thanks!
Click to expand...

1) Yes, if your TV input supports HDCP.

2) Chances are tha the HDMI input on your TV supports HDCP, but the DVI doesn't. Check with your TV specs.

3) Yes, you can do that using your standard DVD program. It's very tricky to get right though.
 
hum cyberlink BD advisor said I am good, other than my OS and my video connection... I currently have a normal monitor plugged in, so not worried there. Can dual boot to vista if it wants me too, that doesn't matter.

How far along is ripping blue-ray to remove all this DRM crap? I assume all these restrictions can be ripped out by now...
 
I don't trust the cyberlink adviser because it tells me that my video card and monitors are not HDCP when in fact they are. It tells me that there is no video card, but it has a driver version for it.
 
Both the Cyberlink and Intervideo advisors worked correctly for me. Are you running a modded driver set?
 
As long as your TV supports HDCP throught DVI don't mess with a DVI to HDMI conversion. One of the main purposes of HDMI (besides being digital) is to carry both video AND audio. DVI only carries video. You have nothing to gain from a DVI to HDMI conversion, but you can lose signal quality.
 
Interesting that your quad and video cards aren't displayed as HCDP compatibe (or rather your card isn't listed at all). Here's what I get with an AMD 6000+ (same on HD test as BlueRay)

 
It's gray area and I know about it only second-hand, but there's software out there that gets rid of all the limitations, DRM, etc on BlueRay and HD-DVD discs much like the stuff that's been out for a while now for DVDs. Do a little looking around if you run in to problems. You can get around all that.
 
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