[mythtv-users] Google TV HDMI Input

[Greg Oliver]

On Wed, Nov 17, 2010 at 3:38 PM, Brian Wood <beww at beww.org> wrote:
> 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.

Yep - someday we'll have some new toys though  :)

Hauppauge must be selling the HDPVRs for penny profits to keep
everyone else out of the game.  Noone else still sells a hardware
encoder after over 2 years!