Informs the delegate when the output will stop writing new samples to a file.
- macOS 10.7+
The capture file output that will finish writing the file.
The file URL of the file that is being written.
An array of
AVCaptureobjects attached to the file output that provided the data that is being written to the file.
An error describing what caused the file to stop recording, or
nilif there was no error.
This method is called when the file output will stop recording new samples to the file at
output, either because
stop was called, or because an error (described by the error parameter) occurred (if no error occurred, the error parameter is
This method is always called for each recording request, even if no data is successfully written to the file.
You should not assume that this method will be called on a specific thread, and should make this method as efficient as possible.