[mythtv-users] Google TV HDMI Input

[Brian Wood]

On Wednesday, November 17, 2010 02:24:25 pm Raymond Wagner wrote:
> On 11/17/2010 16:02, Mark Buechler wrote:
> > On Wed, Nov 17, 2010 at 3:54 PM, Raymond Wagner
> > <raymond at wagnerrp.com
> > 
> > <mailto:raymond at wagnerrp.com>> wrote:
> >     On 11/17/2010 15:51, Eric Sharkey wrote:
> >         On Wed, Nov 17, 2010 at 3:28 PM, Robert McNamara
> >         <robert.mcnamara at gmail.com
> >         <mailto:robert.mcnamara at gmail.com>>
> >         
> >          wrote:
> >             Yes, that's what he means, no, it does not bypass HDCP.
> >             
> >              It respects
> >             
> >             it entirely.  You will get nothing from a consumer
> >             cable set top box.
> >         
> >         Do STB's always use HDCP when using HDMI or would it at
> >         least sometimes be disabled?
> >     
> >     Always.
> > 
> > The problem with HDMI capture is the size of the stream. I know of
> > no HDMI capture device which will compress (h264?) the stream and
> > real-time compression on the CPU would be rather difficult.
> 
> Assuming the boxes are not doing colorspace conversion, you're
> looking at "only" 630Mbps for 720p or 710Mbps for 1080i.  Something
> like HuffYUV would work fine, but you're still stuck with ~30MBps
> recordings.  RTJPEG would do better, but is still going to produce
> massive files.  MPEG2 and H264 are likely out of the question for
> anything but a multi-processor system.

I'd think the obvious answer would be hardware compression a la an HD-
PVR.