Just to confirm that what Derek described on the vv3 chat is exactely what I was talking about.
> I was noticing the same thing when I was in the venue > and was telling Tom about it. The VIC behavior doesn't > appear to be much different than before. > My own experiences are in the venue chat on the > default VV3 lobby. > > Derek > > [email protected] wrote: > > I just did a similar test on AG 2.4 (did not have a > > chance to try on AG3 yet)with 1 Sony on Hauppauge and 2 > > QuickCams on USBs, on Windows XP. I don't see any > > difference in the frame rates(JSU streams on attached > > picture). > > The deal is, randomly one of the camera starts to > > display for vic when entering a venue, the other 2 vics > > request a selection of the video device. If the Sony > > camera does not display yet, it is easy to select the > > "Hauppauge WinTV Capture" as the video device for the > > 2nd vic. The problem is that it seems there is no way to > > know which one of the 2 "Logitech Quickcam Pro 4000" to > > select in the dropdown menu( pic attached)for the 3rd > > vic. If I am "lucky", I get the one that is not in use > > yet, and life is great. If not, I get a runtime error, > > and the 3rd vic exits. > > Any idea to handle this (in AG3)? Any way to tie each > > camera with a specific vic by default on Windows? > > > > -Monika > > > > > >>The performance problem is likely the usb bus. You might > >>have to switch usb connectors to get a different usb > root >>device to get the best bandwidth, but this is great > news >>for folks with 8 ports ;-) > >> > >>--Ivan > >> > >> > >>>-----Original Message----- > >>>From: [email protected] > >>>[mailto:[email protected]] On Behalf Of Thomas > >>>D. Uram Sent: Tuesday, March 07, 2006 1:55 PM > >>>To: ag-tech > >>>Subject: [AG-TECH] Multiple USB cams with AG3/Win > >>> > >>> > >>>The question came up today about use of multiple USB > >>>cameras with AG3 under Windows. I tried it today, and > >>>it worked: > >>>http://www.mcs.anl.gov/~turam/AG/vicWith2USBCams.PNG > >>> > >>>A Logitech Quickcam 3000 and a 4000 looking at each > >>>other (yes, the one stream is duplicated). > >>> > >>>Note that the framerate on one camera only got to 10fps > ; >>>I didn't look into that at all. > >>> > >>>Tom > >> > >> > >> > >> > >> > ---------------------------------------------------------- > -------------- >> > >> > >> > ---------------------------------------------------------- > -------------- >> > > -- > Derek Piper - [email protected] - (812) 856 0111 > IRI 323, School of Informatics > Indiana University, Bloomington, Indiana

