HDCP - AGP - MythTV - AVS Forum
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post #1 of 10 Old 03-13-2007, 08:23 AM - Thread Starter
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I am looking for a new HDCP compatible DVI card. Every piece of concrete information I find is on PCI-e cards. I would really like to NOT upgrade my back-end as it is a fairly powerful system(for a server - 4 CPUs, 2 gigs ram, and lots of SCSI...Yaaaaaaaaaa) but does not have PCI-e.

What do you think the possibility of a...say...HDCP emulator?
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post #2 of 10 Old 03-13-2007, 10:45 AM
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Quote:
Originally Posted by ptysell View Post

What do you think the possibility of a...say...HDCP emulator?

To do what? Just curious, as HDCP is only needed when the software requests it before sending video. Is there Linux software out there which requires HDCP?

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post #3 of 10 Old 03-13-2007, 07:56 PM
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nope. nothing in linux is hdcp as of now. it's kind of pointless
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post #4 of 10 Old 03-14-2007, 08:38 PM
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Quote:
Originally Posted by ptysell View Post

I am looking for a new HDCP compatible DVI card. Every piece of concrete information I find is on PCI-e cards. I would really like to NOT upgrade my back-end as it is a fairly powerful system(for a server - 4 CPUs, 2 gigs ram, and lots of SCSI...Yaaaaaaaaaa) but does not have PCI-e.

What do you think the possibility of a...say...HDCP emulator?

See the links on Supermans post: http://www.avsforum.com/avs-vb/showt...&&#post9981968. Both of those cards are AGP 8x.

I agree with Blackoper, you shouldn't need HDCP at this time. Eventually, you may have to invest in a new MB/CPU with a PCI-E slot and a PCI-E video card.

- Claus {non-Santa model}
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post #5 of 10 Old 08-01-2007, 05:26 AM
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Is it possible now, or will it ever be possible to build a linux-based system with a blue-ray internal DVD player and play movies directly to a HDTV via DVI/HDMI without having to rip the DVD first?

I'd be willing to buy an external HDCP stripper to do this, but Im not sure if this will help. I'm just not 100% sure of how the internals of linux currently handle playing a blu-ray DVD and getting the stream to the DVI/HDMI output.

What are my options for playing blu-ray on a HTPC? I'd much rather use linux to build this.
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post #6 of 10 Old 08-01-2007, 08:19 AM
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Quote:
Originally Posted by opticalc View Post

Is it possible now, or will it ever be possible to build a linux-based system with a blue-ray internal DVD player and play movies directly to a HDTV via DVI/HDMI without having to rip the DVD first?

As far as I know the answer is no:
https://help.ubuntu.com/community/Re...BluRayAndHDDVD

Maybe this has changed since it was written.

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Originally Posted by opticalc View Post

What are my options for playing blu-ray on a HTPC? I'd much rather use linux to build this.

Wouldn't we all!

I'm sure this will change when the HD DVD format war is decided and internal HD DVD drives drop in price. The beauty of a Myth box is that you can replace components at a later date.
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post #7 of 10 Old 08-01-2007, 09:50 AM
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Quote:
Originally Posted by opticalc View Post

Is it possible now, or will it ever be possible to build a linux-based system with a blue-ray internal DVD player and play movies directly to a HDTV via DVI/HDMI without having to rip the DVD first?

Not now. Unknown on the future.

Quote:
I'd be willing to buy an external HDCP stripper to do this, but Im not sure if this will help. I'm just not 100% sure of how the internals of linux currently handle playing a blu-ray DVD and getting the stream to the DVI/HDMI output.

HDCP is not relevant to this situation and a stripper will not help you, as HDCP is only activated on the video card if the software (Linux, in this case) tells it to be-- something I doubt will ever happen. The encryption in question is AACS (and anything BD+ eventually adds), which seems to be pretty weak at this moment. Don't know that there's yet a realtime decryptor direct from the drive. See hackmeister's reference.

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post #8 of 10 Old 08-01-2007, 10:33 AM
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Originally Posted by archibael View Post

Not now. Unknown on the future.

I see. I'm assuming the limitation is that there are no BD/HDDVD software players for linux?
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post #9 of 10 Old 08-01-2007, 11:24 AM
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No official ones. AACS-ripped BD and HD DVD apparently seem to play okay in most of the SVN releases of the usual Linux suspects (mplayer, etc.), though some of the high-def sound formats are problematic. I suspect that after the Summer of Code, many of these issues will be resolved, but this is always pending a BD+ or an interesting AACS response.

I do not speak officially in any sense for
Intel Corp., Technology Manufacturing Group
but I do work there.
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post #10 of 10 Old 08-01-2007, 08:23 PM
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Quote:
Originally Posted by archibael View Post

.... but this is always pending a BD+ or an interesting AACS response.

At this point, there are too many people actively breaking the BD and AACS encryption system. There really isn't a way for them to stop the community involved from getting the keys needed to rip the discs. Whenever the content you are trying to protect from a user is also the content that you want viewed by the same person, encryption is fundamentally impossible. They could really slow them down if they ever banned software players but that won't happen that I can tell. It's definitely an interesting read when you look at some of those Doom9 forum threads.
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