CMSample invalidation callback, which is called during
- iOS 4.0+
- macOS 10.7+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 6.0+
- Core Media
The sample buffer being modified.
Reference to a function to be called during
Reference constant to be passed to
A result code. See Result Codes.
A sample buffer can only have one invalidation callback. The invalidation callback is not called during ordinary sample buffer finalization.