Frame grabber video/still capture

[Mookie]

I have a USB frame grabber that I'm trying to get video and/or stills from.
My initial thoughts were that QCamera would see this device and treat it the same. After all, it's just a video stream (or a still image).

The Qt examples for video media only detect the built in camera on my laptop. The static QCamera function listing the available devices doesn't show this device.

Does anyone know of any sample code that might point me in the right direction?

System specs:
Macbook Pro
AVerCapture M USB frame grabber
Qt 5.1.0

[ChrisW67]

If the Mac does not recognise the device and present it as a camera to Qt then I don't know there's much you can do for it.

You might like to try OpenCV to see if it gives a different result.