USB Capture device driver

Hi,
I have written a user space USB driver for our Enciris LT101 video capture board using libusb.
Now I want to make the device appear in Video Device list and access it through quicktime. Is it possible to write a "virtual driver" using quicktime component or any other mechanism to make the device appear in video device list?
PS: I did the same under windows writing a directshow source filter and hacking the interfaces in the right way so that the device appears as if I have used AVStream kernel mode driver.
Thanks, Malik

Thanks for feedback,
That is already a start. I am indeed searching of keywords like "Sequence Grabber".
Do you know if I can grab already compressed video with that interface?
Is there another way to enumerate and present devices in QuickTime available "device list" that will also work for 64 bit?
I heard about macam driver...

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