Indicates the format’s supported frame rate ranges.
- iOS 7.0+
- macOS 10.7+
- UIKit for Mac 13.0+Beta
The value is an array of
AVFrameRateRange objects, one for each of the format’s supported video frame rate ranges.
Examining Video Capture Attributes
AVFrameRateRange object expresses a range of valid frame rates as minimum and maximum rate and minimum and maximum duration.
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