I have an app to capture still images from a Quicktime source.
When using frame grabbers like the TV cards from Miglia,
there is hardware support for brightness and contrast adjustments.
I am now trying to capture video using a Canopus external converter.
There is no longer direct hardware control over brightness and contrast.
Is there a way in Quicktime to adjust the B&C on the grabbed frames
after they come out of the grabber (after I've got them) instead of
with hardware adjustments?
TIA.
john elemans
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