Intel JPEG Library
video codec was designed to be a VFW driver based on the Intel JPEG Library Intel JPEG Library
video codec was designed to be a VFW driver based on the Intel JPEG Library, supporting decompression to RGB24, and compression from RGB24 & YUY2 formats.
My PIII 1GHz system is able to capture 640x480 at 25fps in
virtualdub,
so I imagine you'd need a P4 or equivalent for full frame capture.
Source code is included for anyone who's interested.