Notifies AVFoundation that you cannot fulfill the image filtering request.
- iOS 9.0+
- macOS 10.11+
- Mac Catalyst 13.0+
- tvOS 9.0+
An error object describing the reason to
Call this method if you cannot process the input image and wish to abort playback as a result—for example, if the
output object from your filter chain is nil. (If instead you want to fall back to rendering an unfiltered image, call the
finish and pass the
source object to the
Calling this method causes AVFoundation to post a notification named
AVPlayer. Observers of this notification can use the
AVPlayer key to examine the error you provide.