These cards were supported by VIDCAP as part of the Video for Windows package.
These cards could also handle capturing VHS tapes etc.
Capturing video from digital cameras delivered excellent results above DVD quality.
At the system level this function is typically performed by a dedicated video capture device.
Depending on the device, the resulting video stream may be conveyed to external circuitry via a computer bus (e.g., PCI/104 or PCIe) or a communication interface such as USB, Ethernet or Wi-Fi, or stored in mass-storage memory in the device itself (e.g., digital video recorder).