A concrete subclass of AVAsset that's used to initialize an asset from a local or remote URL.
SDKs
- iOS 4.0+
- macOS 10.7+
- Mac Catalyst 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
Framework
- AVFoundation
Declaration
class AVURLAsset : AVAsset
Class
AVURLAsset
Topics
Creating a URL Asset
init(url: URL, options: [String : Any]?)Initializes an asset that models the media resource found at the specified URL.
Initialization Options
Keys for options dictionary for use with init(url: and URLAsset.
Accessing the URL
var url: URLThe URL with which the asset was initialized.
Assisting with Resource Loading
var resourceThe resource loader associated with the asset.
Finding Compatible Tracks
func compatibleReturns an asset track from which any time range can be inserted into a given composition track.
Getting Supported Media Types
class func audiovisualReturns an array of the MIME types the AVURLAsset class supports.
class func audiovisualReturns an array of the file types the AVURLAsset class supports.
class func isReturns a Boolean value that indicates whether the asset is playable with the given codec(s) and container type.
Working with Offline Assets
var assetThe asset’s associated asset cache, if it exists.
Working with Encrypted Content
var mayAllows a URL asset to be added as a content key recipient to a content key session.
See Also
Asset Retrieval
class AVAssetA URL session used to support the creation and execution of asset download tasks.
class AVAssetAn object that mediates resource requests from a URL asset.
class AVAssetAn object that encapsulates information about a resource request issued by a resource loader object.
var response: URLResponse?The URL response for the loading request.
class AVAssetAn object that encapsulates information about a resource request issued by a resource loader to renew a previously issued request.
class AVAssetA query used to get essential information about a resource referenced by an asset resource loading request.
class AVAssetAn object used to request data from a resource referenced by an asset resource loading request.
class AVAssetA manager of policies used to automatically purge downloaded assets.
class AVAssetA set of properties that defines a policy to automatically purge downloaded assets.
class AVMutableA mutable set of properties that defines a policy to automatically purge downloaded assets.
Beta Software
This documentation contains preliminary information about an API or technology in development. This information is subject to change, and software implemented according to this documentation should be tested with final operating system software.
Learn more about using Apple's beta software