AVMutableComposition Class

Definition

A mutable subtype of AVComposition.

[Foundation.Register("AVMutableComposition", true)]
[ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.WatchOS, ObjCRuntime.PlatformArchitecture.All, null)]
public class AVMutableComposition : AVFoundation.AVComposition
type AVMutableComposition = class
    inherit AVComposition
Inheritance
AVMutableComposition
Attributes

Constructors

AVMutableComposition()

Default constructor that initializes a new instance of this class with no parameters.

AVMutableComposition(IntPtr)

A constructor used when creating managed representations of unmanaged objects; Called by the runtime.

AVMutableComposition(NSObjectFlag)

Constructor to call on derived classes to skip initialization and merely allocate the object.

Properties

AllMediaSelections (Inherited from AVAsset)
AvailableChapterLocales

The NSLocales available from ChapterMetadataGroups(NSLocale, AVMetadataItem[]).

(Inherited from AVAsset)
AvailableMediaCharacteristicsWithMediaSelectionOptions

A set of media characteristics for which a media selection option is available.

(Inherited from AVAsset)
AvailableMetadataFormats

Metadata formats available for the asset.

(Inherited from AVAsset)
CanContainFragments

Gets a Boolean value that tells whether the asset can be extended by fragments.

(Inherited from AVAsset)
Class (Inherited from NSObject)
ClassHandle

The handle for this class.

CommonMetadata

Metadata keys that are available.

(Inherited from AVAsset)
CompatibleWithAirPlayVideo

Gets a Boolean value that tells whether the asset works with AirPlay Video.

(Inherited from AVAsset)
CompatibleWithSavedPhotosAlbum

Whether the asset can be saved to the "Saved Photos" album.

(Inherited from AVAsset)
Composable

Whether the asset can be used within a segment of a AVCompositionTrack.

(Inherited from AVAsset)
ContainsFragments

Gets a Boolean value that tells whether the asset has been extended by one or more fragments.

(Inherited from AVAsset)
CreationDate

The date the asset was created.

(Inherited from AVAsset)
DebugDescription

A developer-meaningful description of this object.

(Inherited from NSObject)
Description

Description of the object, the Objective-C version of ToString.

(Inherited from NSObject)
Duration

The duration of the asset in CMTime.

(Inherited from AVAsset)
Exportable

Whether the asset can be exported using a AVAssetExportSession.

(Inherited from AVAsset)
Handle

Handle (pointer) to the unmanaged object representation.

(Inherited from NSObject)
IsDirectBinding (Inherited from NSObject)
IsProxy (Inherited from NSObject)
Lyrics

The lyrics of the asset, in the current locale.

(Inherited from AVAsset)
Metadata

Gets an array that contains all the metadata for the asset.

(Inherited from AVAsset)
NaturalSize

Gets the original size of the visual portion of the composition.

OverallDurationHint

Gets the combined duration of all existing fragments and those that may be added.

(Inherited from AVAsset)
Playable

Whether the asset or its URL can be used with a AVPlayerItem.

(Inherited from AVAsset)
PreferredMediaSelection

Gets the default media selections.

(Inherited from AVAsset)
PreferredRate

The rate at which this asset should be played.

(Inherited from AVAsset)
PreferredTransform

Preferred affine transformation to apply to the visual content of the asset for rendering.

(Inherited from AVAsset)
PreferredVolume

Preferred asset volume.

(Inherited from AVAsset)
ProtectedContent

Whether the asset has protected content.

(Inherited from AVAsset)
ProvidesPreciseDurationAndTiming

Whether the asset provides precise duration and timing information.

(Inherited from AVAsset)
Readable

Whether the asset's media data is compatible with AVAssetReader.

(Inherited from AVAsset)
ReferenceRestrictions

Whether external references (such as external URLs) should be followed or not.

(Inherited from AVAsset)
RetainCount

Returns the current Objective-C retain count for the object.

(Inherited from NSObject)
Self (Inherited from NSObject)
Superclass (Inherited from NSObject)
SuperHandle

Handle used to represent the methods in the base class for this NSObject.

(Inherited from NSObject)
TrackGroups

The AVAssetTrackGroups comprising the asset.

(Inherited from AVAsset)
Tracks

Gets an array that contains the tracks in the composition.

(Inherited from AVComposition)
UnusedTrackId

Gets a track ID that is not used by any of the asset's tracks.

(Inherited from AVAsset)
UrlAssetInitializationOptions (Inherited from AVComposition)
Zone (Inherited from NSObject)

Methods

AddMutableTrack(String, Int32)

Adds an empty track.

AddObserver(NSObject, NSString, NSKeyValueObservingOptions, IntPtr)

Registers an object for being observed externally (using NSString keyPath).   Observed changes are dispatched to the observer’s object ObserveValue(NSString, NSObject, NSDictionary, IntPtr) method.

(Inherited from NSObject)
AddObserver(NSObject, String, NSKeyValueObservingOptions, IntPtr)

Registers an object for being observed externally (using string keyPath).   Observed changes are dispatched to the observer’s object ObserveValue(NSString, NSObject, NSDictionary, IntPtr) method.

(Inherited from NSObject)
AddObserver(NSString, NSKeyValueObservingOptions, Action<NSObservedChange>)

Registers an object for being observed externally using an arbitrary method.

(Inherited from NSObject)
AddObserver(String, NSKeyValueObservingOptions, Action<NSObservedChange>)

Registers an object for being observed externally using an arbitrary method.

(Inherited from NSObject)
AwakeFromNib()

Called after the object has been loaded from the nib file. Overriders must call base.AwakeFromNib().

(Inherited from NSObject)
BeginInvokeOnMainThread(Action) (Inherited from NSObject)
BeginInvokeOnMainThread(Selector, NSObject)

Invokes asynchrously the specified code on the main UI thread.

(Inherited from NSObject)
Bind(NSString, NSObject, String, NSDictionary) (Inherited from NSObject)
Bind(String, NSObject, String, NSDictionary)
Obsolete.
(Inherited from NSObject)
BindingInfo(String)
Obsolete.
(Inherited from NSObject)
BindingOptionDescriptions(String)
Obsolete.
(Inherited from NSObject)
BindingValueClass(String)
Obsolete.
(Inherited from NSObject)
CancelLoading()

Cancels loading.

(Inherited from AVAsset)
ChapterMetadataGroups(NSLocale, AVMetadataItem[])
Obsolete.

Retrieves chapter title information.

(Inherited from AVAsset)
CommitEditing() (Inherited from NSObject)
CommitEditing(NSObject, Selector, IntPtr) (Inherited from NSObject)
ConformsToProtocol(IntPtr)

Invoked to determine if this object implements the specified protocol.

(Inherited from NSObject)
Copy()

Performs a copy of the underlying Objective-C object.

(Inherited from NSObject)
Copy(NSZone)

Performs a copy of the underlying Objective-C object.

(Inherited from AVComposition)
Create()

Creates an empty AVMutableComposition.

CreateMutableTrack(AVAssetTrack)

Creates a new AVMutableComposition for which all time ranges in referenceTrack are valid for insertion.

DangerousAutorelease() (Inherited from NSObject)
DangerousRelease() (Inherited from NSObject)
DangerousRetain() (Inherited from NSObject)
DidChange(NSKeyValueChange, NSIndexSet, NSString)

Indicates a change occurred to the indexes for a to-many relationship.

(Inherited from NSObject)
DidChange(NSString, NSKeyValueSetMutationKind, NSSet) (Inherited from NSObject)
DidChangeValue(String)

Indicates that a change occurred on the specified key.

(Inherited from NSObject)
Dispose()

Releases the resources used by the NSObject object.

(Inherited from NSObject)
Dispose(Boolean)

Releases the resources used by the NSObject object.

(Inherited from NSObject)
DoesNotRecognizeSelector(Selector)

Indicates that this object does not recognize the specified selector.

(Inherited from NSObject)
Equals(NSObject) (Inherited from NSObject)
Equals(Object) (Inherited from NSObject)
ExposedBindings() (Inherited from NSObject)
FromOptions(NSDictionary<NSString,NSObject>)

Creates a new AVMutableComposition from the specified dictionary of url asset initialization options.

GetBindingInfo(NSString) (Inherited from NSObject)
GetBindingOptionDescriptions(NSString) (Inherited from NSObject)
GetBindingValueClass(NSString) (Inherited from NSObject)
GetChapterMetadataGroups(NSLocale, AVMetadataItem[])

Returns an array that contains IETF BCP 47 language identifiers that indicate the preferred language order for a chapter.

(Inherited from AVAsset)
GetChapterMetadataGroupsBestMatchingPreferredLanguages(String[])

Retrieves chapter metadata for the locale that best matches the IETF BCP 47 language identifers.

(Inherited from AVAsset)
GetDictionaryOfValuesFromKeys(NSString[])

Retrieves the values of the specified keys.

(Inherited from NSObject)
GetHashCode()

Generates a hash code for the current instance.

(Inherited from NSObject)
GetMediaSelectionGroupForMediaCharacteristic(AVMediaCharacteristics)

Returns a media selection group whose options have the indicated avMediaCharacteristic.

(Inherited from AVAsset)
GetMetadataForFormat(AVMetadataFormat)

Returns an array that contains a metadata item for each item in the container that is specified by format.

(Inherited from AVAsset)
GetMetadataForFormat(NSString)

Returns an array that contains a metadata item for each item in the container that is specified by format.

(Inherited from AVAsset)
GetMethodForSelector(Selector) (Inherited from NSObject)
GetNativeField(String)
Obsolete.
(Inherited from NSObject)
GetNativeHash() (Inherited from NSObject)
GetTracks(AVMediaCharacteristics)

Returns an array of tracks that have the specified characteristic.

(Inherited from AVAsset)
GetTracks(AVMediaTypes)

Returns an array of tracks of the specified media type.

(Inherited from AVAsset)
Init() (Inherited from NSObject)
InitializeHandle(IntPtr) (Inherited from NSObject)
InitializeHandle(IntPtr, String) (Inherited from NSObject)
InserEmptyTimeRange(CMTimeRange)

Inserts an empty time range into all tracks in the composition.

Insert(CMTimeRange, AVAsset, CMTime, NSError)

Inserts the specified time range of the sourceAsset into the receiver and logs any errors in error.

Invoke(Action, Double) (Inherited from NSObject)
Invoke(Action, TimeSpan) (Inherited from NSObject)
InvokeOnMainThread(Action) (Inherited from NSObject)
InvokeOnMainThread(Selector, NSObject)

Invokes synchrously the specified code on the main UI thread.

(Inherited from NSObject)
IsEqual(NSObject) (Inherited from NSObject)
IsKindOfClass(Class) (Inherited from NSObject)
IsMemberOfClass(Class) (Inherited from NSObject)
LoadValuesAsynchronously(String[], Action)

Asks the asset to load the specified keys (unless they're already loaded).

(Inherited from AVAsset)
LoadValuesTaskAsync(String[])

Asks the asset to load the specified keys (unless they're already loaded).

(Inherited from AVAsset)
MarkDirty()

Promotes a regular peer object (IsDirectBinding is true) into a toggleref object.

(Inherited from NSObject)
MediaSelectionGroupForMediaCharacteristic(String)

Returns options for the passed in avMediaCharacteristic.

(Inherited from AVAsset)
MetadataForFormat(String)
Obsolete.

Returns the metadata items available for the specified format.

(Inherited from AVAsset)
MutableCopy()

Creates a mutable copy of the specified NSObject.

(Inherited from NSObject)
MutableCopy(NSZone)

Performs a copy of the underlying Objective-C object.

(Inherited from AVComposition)
ObjectDidEndEditing(NSObject) (Inherited from NSObject)
ObserveValue(NSString, NSObject, NSDictionary, IntPtr)

Indicates that the value at the specified keyPath relative to this object has changed.

(Inherited from NSObject)
PerformSelector(Selector) (Inherited from NSObject)
PerformSelector(Selector, NSObject) (Inherited from NSObject)
PerformSelector(Selector, NSObject, Double)

Invokes the selector on the current instance and if the obj is not null, it passes this as its single parameter.

(Inherited from NSObject)
PerformSelector(Selector, NSObject, Double, NSString[]) (Inherited from NSObject)
PerformSelector(Selector, NSObject, NSObject) (Inherited from NSObject)
PerformSelector(Selector, NSThread, NSObject, Boolean) (Inherited from NSObject)
PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]) (Inherited from NSObject)
PrepareForInterfaceBuilder() (Inherited from NSObject)
RemoveObserver(NSObject, NSString)

Stops the specified observer from receiving further notifications of changed values for the specified keyPath.

(Inherited from NSObject)
RemoveObserver(NSObject, NSString, IntPtr)

Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context.

(Inherited from NSObject)
RemoveObserver(NSObject, String)

Stops the specified observer from receiving further notifications of changed values for the specified keyPath.

(Inherited from NSObject)
RemoveObserver(NSObject, String, IntPtr)

Stops the specified observer from receiving further notifications of changed values for the specified keyPath and context.

(Inherited from NSObject)
RemoveTimeRange(CMTimeRange)

Removes the specified timeRange from all tracks in the composition.

RemoveTrack(AVCompositionTrack)

Removes the specified track from the composition.

RespondsToSelector(Selector)

Whether this object recognizes the specified selector.

(Inherited from NSObject)
ScaleTimeRange(CMTimeRange, CMTime)

Stretches or shrinks the specified timeRange portion of all tracks in the composition to have the specified duration.

SetNativeField(String, NSObject)
Obsolete.
(Inherited from NSObject)
SetNilValueForKey(NSString)

Sets the value of the specified key to null.

(Inherited from NSObject)
SetValueForKey(NSObject, NSString)

Sets the value of the property specified by the key to the specified value.

(Inherited from NSObject)
SetValueForKeyPath(IntPtr, NSString)

A constructor used when creating managed representations of unmanaged objects; Called by the runtime.

(Inherited from NSObject)
SetValueForKeyPath(NSObject, NSString)

Sets the value of a property that can be reached using a keypath.

(Inherited from NSObject)
SetValueForUndefinedKey(NSObject, NSString)

Indicates an attempt to write a value to an undefined key. If not overridden, raises an NSUndefinedKeyException.

(Inherited from NSObject)
SetValuesForKeysWithDictionary(NSDictionary)

Sets the values of this NSObject to those in the specified dictionary.

(Inherited from NSObject)
StatusOfValue(String, NSError)

Returns the loading status for the specified key.

(Inherited from AVAsset)
ToString()

Returns a string representation of the value of the current instance.

(Inherited from NSObject)
TracksWithMediaCharacteristic(String)

The tracks in the asset that match the given media characteristic.

(Inherited from AVAsset)
TracksWithMediaType(String)

The tracks in the asset that match the given media type.

(Inherited from AVAsset)
TrackWithTrackID(Int32)

The track which has the associated Track ID.

(Inherited from AVAsset)
Unbind(NSString) (Inherited from NSObject)
Unbind(String)
Obsolete.
(Inherited from NSObject)
ValueForKey(NSString)

Returns the value of the property associated with the specified key.

(Inherited from NSObject)
ValueForKeyPath(NSString)

Returns the value of a property that can be reached using a keypath.

(Inherited from NSObject)
ValueForUndefinedKey(NSString)

Indicates an attempt to read a value of an undefined key. If not overridden, raises an NSUndefinedKeyException.

(Inherited from NSObject)
WillChange(NSKeyValueChange, NSIndexSet, NSString)

Indicates that the values of the specified indices in the specified key are about to change.

(Inherited from NSObject)
WillChange(NSString, NSKeyValueSetMutationKind, NSSet) (Inherited from NSObject)
WillChangeValue(String)

Indicates that the value of the specified key is about to change.

(Inherited from NSObject)

Extension Methods

ObjectDidBeginEditing(NSObject, INSEditor)
ObjectDidEndEditing(NSObject, INSEditor)
GetValidModes(NSObject, NSFontPanel)
ValidateToolbarItem(NSObject, NSToolbarItem)
GetTrack(AVComposition, Int32)
GetTracks(AVComposition, AVMediaCharacteristics)
GetTracks(AVComposition, AVMediaTypes)
GetTracks(AVComposition, String)
GetTracksWithMediaCharacteristic(AVComposition, String)
GetTrack(AVMutableComposition, Int32)
GetTracks(AVMutableComposition, AVMediaCharacteristics)
GetTracks(AVMutableComposition, AVMediaTypes)
GetTracks(AVMutableComposition, String)
GetTracksWithMediaCharacteristic(AVMutableComposition, String)
GetDebugDescription(INSObjectProtocol)
AcceptsPreviewPanelControl(NSObject, QLPreviewPanel)
BeginPreviewPanelControl(NSObject, QLPreviewPanel)
EndPreviewPanelControl(NSObject, QLPreviewPanel)
GetAccessibilityCustomRotors(NSObject)

Gets the array of UIAccessibilityCustomRotor objects appropriate for this object.

SetAccessibilityCustomRotors(NSObject, UIAccessibilityCustomRotor[])

Sets the array of UIAccessibilityCustomRotor objects appropriate for this object.

Applies to

See also