Hello,
Was a fix for this problem ever found? I am running an Xbox Live Vision webcam on Vista Ultimate 64-bit, paired with iCamSource 2.1.1 and iCam 2.0, and am having the exact problems described (after 1-2 secs of operation, further updates take 20s - 1min, with only one new frame shown per minute).
I don't think the drivers are a problem, because the webcam works perfectly with Skype. I don't think it is the connection to the iPhone, because the problem shows in the iCamSource, iCamWeb, and iPhone even on the same local WiFi network.
So far, I have tried updating the camera drivers and disabling motion detection to no avail. I can get slightly-better-but-still-very-choppy video by moving the slider for image quality all the way to the left for faster updates, but then of course the quality takes a nose dive.
One possible clue I noticed is that each time I start and stop iCamSource, a new instance of the ffdshow video decoder appears in my tray. They don't disappear until I close the iCamSource completely and then mouse over them. Do you think this could be related? I believe ffdshow came with the k-lite codec pack I use. Of course, this tray icon does not appear when I use the webcam in Skype, but always appears when I start the camera in iCamSource.
Thank you in advance for any help or insight!