Thank you again for your help.
My mistake: I thought that the camera would provide an integer count for its frames.
capture.getBackendName() returns “AVFOUNDATION”
I don’t know which backends might be available, or which one(s) to use. Is there a way that I can query to list the available backends? Then I can try them all. Hopefully at least one will work as hoped.
[EDIT] Google found this from 2019:
This also seems relevant:
https://github.com/webcamoid/webcamoid/issues/333
[FURTHER EDIT]
A look at Apple’s AVFoundation current documentation indicates that exposure controls are supported starting from Mac OS 10.7, see
Cheers,
Bruce