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On 11/17/2010 16:02, Mark Buechler wrote:
<blockquote
cite="mid:AANLkTikByoyukY7cmFt4ELJTXy_betUsamkNQXQJQfSY@mail.gmail.com"
type="cite">On Wed, Nov 17, 2010 at 3:54 PM, Raymond Wagner <span
dir="ltr"><<a moz-do-not-send="true"
href="mailto:raymond@wagnerrp.com">raymond@wagnerrp.com</a>></span>
wrote:<br>
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<div class="im">On 11/17/2010 15:51, Eric Sharkey wrote:<br>
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On Wed, Nov 17, 2010 at 3:28 PM, Robert McNamara<br>
<<a moz-do-not-send="true"
href="mailto:robert.mcnamara@gmail.com" target="_blank">robert.mcnamara@gmail.com</a>>
wrote:<br>
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Yes, that's what he means, no, it does not bypass HDCP.
It respects<br>
it entirely. You will get nothing from a consumer cable
set top box.<br>
</blockquote>
Do STB's always use HDCP when using HDMI or would it at
least<br>
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sometimes be disabled?<br>
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<br>
Always.
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<div>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.</div>
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<br>
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.<br>
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