[mythtv-users] HR21 DirecTV receiver as HD input to MythTV box through HDMI?

Brad DerManouelian myth at dermanouelian.com
Thu Sep 25 23:53:55 UTC 2008

On Sep 25, 2008, at 4:32 PM, Peter Pavlovich wrote:

> On Thu, Sep 25, 2008 at 7:15 PM, Johnny Russ <jruss at mit.edu> wrote:
> What about this one?
> http://www.blackmagic-design.com/products/intensity/
> Assuming it is supported in Linux, would this not work?
> Regards,
> Peter
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> This one is not supported in Linux. Even if it was you would have  
> several problems. First that card is made to capture uncompressed HD  
> video from HDMI for video editing. HD video editing prefer  
> uncompressed formats because they trade space for speed of  
> processing the video. An uncompressed 720p or 1080i/p video from  
> this card will range from 600-800 GB/hr. The 2nd problem, as others  
> have mentioned, is HDCP encryption. Capture cards that have hdmi  
> inputs are required to not capture anything with encryption.
> I think that this might solve that problem ... the *MUX*HD* shown here
> http://www.curtpalme.com/MUX-HD.shtm
> I spoke with the vendor by email and they assured me that this unit  
> would "fix" that pesky *H*D*C*P* issue.
> With that in mind, assuming that there is no *D*R*M* issue with  
> capturing HDMI output, any other suggestions as to how to capture  
> that? It looks as though the *MUX*HD* also has a DVI output which  
> could be used for input to some sort of capture device. Any DVI  
> input capture devices that you folks know will work with Linux?

You'd rather spend $285 plus whatever DVI capture device that might  
exist with linux support (no idea if that does exist - if so, it's  
going to be expensive and if so will almost definitely not have mythtv  
support for it) instead of $220 for a device with good enough linux/ 
mythtv support that everything is working quite well right now just to  
use HDMI instead of component? Why?
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