urlSession(_:assetDownloadTask:willDownloadVariants:)
Tells the delegate that a download task completed variant selection.
Declaration
optional func urlSession(_ session: URLSession, assetDownloadTask: AVAssetDownloadTask, willDownloadVariants variants: [AVAssetVariant])Parameters
- session:
The session the asset download task is on.
- assetDownloadTask:
The task that finished selecting variant selection.
- variants:
The asset variants to download.