<div class="gmail_quote">2010/8/11 Christoph Willing <span dir="ltr"><<a href="mailto:c.willing@uq.edu.au">c.willing@uq.edu.au</a>></span><br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<div class="im"><br>
On 12/08/2010, at 7:07 AM, Richard Palmer wrote:<br>
<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Dear Chris,<br>
<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
I just made a quick build of the latest vic for amd64 lenny. Its at:<br>
<a href="http://www.vislab.uq.edu.au/debuntu/lenny/ag-vic2.8ucl_1.4.0r4876_amd64.deb" target="_blank">http://www.vislab.uq.edu.au/debuntu/lenny/ag-vic2.8ucl_1.4.0r4876_amd64.deb</a><br>
An i386 version should be there fairly soon too.<br>
<br>
I haven't been able to check it fully since its a holiday here today<br>
and I don't have a lenny machine with the blackmagic driver installed.<br>
It needs dkms which isn't available for lenny although I believe<br>
there's a package in progress for squeeze. Anyway if you've resolved<br>
all that already, then the package above may work. You'll have to use<br>
dpkg to install it as I haven't properly added to our repo until I can<br>
test it more thoroughly.<br>
</blockquote>
<br>
Worked perfectly, many thanks Chris.<br>
</blockquote>
<br>
<br></div>
Richard,<br>
<br>
Great, thats good to hear.<div class="im"><br>
<br>
<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
I used a backported version of dkms.<br>
</blockquote>
<br></div>
I've also built a dkms package for lenny, available now in the UQVislab repo.<div class="im"><br>
<br>
<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
Could only test it with PAL camera over s-video today, that was fine, will<br>
try to test the HD camera later in the week and report back.<br>
<br>
I'm still trying to piece Access Grid together as a system so forgive the<br>
possibly foolish next question, but if I launch the standalone HD vic can<br>
that then be used as part of a AccessGrid session in some way ? (using<br>
the Venue client). If so, how ?.<br>
</blockquote>
<br>
<br></div>
Once the VenueClient is in a venue, the multicast addresses for the default video stream can be found via the the Venue->Properties... menu (a window should appear with the details). You could then start up your HD vic manually using the address you find there for the video stream.<br>
<br>
Be aware that full HD video requires quite a bit more bandwidth than the steams we've become used to. This means you'll probably need to add a '-B' option when you start up vic manually (it sets the maximum bandwidth that vic's bandwidth slider can be set to). I've found -B 8000 (max = 8Mb/s) to be good so far. Without setting that explicitly, a max of 3Mb/s is used on my vic, which vic deals with by limiting the frame rate of the stream.<br>
<br>
When you have your Blackmagic card & HD camera set up, you'll be able to select it from the Device list in vic's Option window - it'll show up as something like "Blackmagic-Intensity Pro". You'll also have to select the input connection being used (HDMI, Component, ...) from the Port button; also the format e.g. HD-1080i-50 from the Signal button.<br>
<br>
Don't forget to set the Encoder to h264 (mpeg4 also works). This will enable the "large" radio button on the right hand side, which you should select to enable transmission of the full HD signal.<br>
<br>
Any other vic in the venue you've chosen should now receive your stream and display it if it was built with the necessary codec.<br></blockquote><div><br>Hi,<br><br>I should point out that video over a certain size (somewhere between 1280x720 and 1920x1080, maybe only limited to mpeg4/h.264, though the latter is the only codec that can effectively do HD well) will probably crash older versions of vic, if they support that codec and attempt to decode it.<br>
<br>--Andrew<br> </div><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<br>
<br>
All that is a bit cumbersome at the moment (even if fun to play around with initially) and will be taken care of automatically when a dedicated AG Service is shipped - should be real soon now.<div><div></div><div class="h5">
<br>
<br>
<br>
<br>
chris<br>
<br>
<br>
<br>
Christoph Willing +61 7 3365 8316<br>
QCIF Access Grid Manager<br>
University of Queensland<br>
<br>
</div></div></blockquote></div><br>