Read a portion of a buffer.
- iOS 8.0+
- macOS 10.10+
- Mac Catalyst 13.0+
- tvOS 9.0+
- watchOS 3.0+
The buffer from which to read the file. Its format must match the file’s processing format.
The number of frames to read.
Returns, by-reference, a description of the error, if an error occurs.
YES, if the read was successful; otherwise
Like the read:error: method, but can be used to read fewer frames than the