Re: Using two video sources at once, not mixed

=?Utf-8?B?UGV0ZXIgQmVuZGE=?= <Peter
Benda@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote in
news:5733533B-A288-420A-8205-E2E8FCC6078F@xxxxxxxxxxxxx:

"Bill's News" wrote:

=?Utf-8?B?UGV0ZXIgQg==?= <Peter B@xxxxxxxxxxxxxxxxxxxxxxxxx>
wrote in
news:2CF8CE70-F5D2-4E1B-BCB4-39BE24444A1B@xxxxxxxxxxxxx:

Hi--I can't seem to find any good hints on how to do this
and I am thinking there is probably only a hardware
solution. What I need to do is to have two live video
inputs coming in from analog sources--with one say being
displayed live on the screen while the other can be
captured.

Example, we are video taping someone using a mobile phone.
We also are taking a video of their facial expressions. We
could use Techsmith Morae to capture our 'screen' + one
Windows video source no problem, so I was thinking we are
able to route on source to play through VLC or something on
the screen, and one is natively captured by Morae as the
'default Windows video device'. However, I can't think of a
way that Windows would allow TWO video sources to be
plugged in (we are using A/D converters so these pop up as
devices--a Canopus ADVC box is one of them).

Thanks for any help you can give!

Peter


How's an ~$500 solution? Up to 4 of these OnAir USB2 capture
devices http://www.autumnwave.com/ can be attached to a
modest PC. They can all display, pause, and/or capture video
simultaneously. Perhaps one of the interfaces available will
suit your application? I suspect there are other, less
expensive capture devices which support multiple connections
as well.



Looks interesting--how would it work--have you tried one of
these?

Cheers

Peter




I have only two units. The way the software works is to launch
an additional iteration of itself (by user request) to manage
each additional USB connection. Each iteration of the program
can be separately configured and will retain its configuration
after shutdown/restart.

The processor on which I use these most often is an AMD 3200 @ 2
gHz (single processor). Both can be displaying HD video while
capturing or time shifting and consume less than 50% CPU. In
"stealth" capture (where no video is displayed) the processes
barely put a ripple in the CPU usage.
.

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