AVCompositionTrack Class
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
A track in a AVComposition.
[Foundation.Register("AVCompositionTrack", true)]
[ObjCRuntime.Unavailable(ObjCRuntime.PlatformName.WatchOS, ObjCRuntime.PlatformArchitecture.All, null)]
public class AVCompositionTrack : AVFoundation.AVAssetTracktype AVCompositionTrack = class
inherit AVAssetTrack- Inheritance
- Derived
- Attributes
Constructors
| AVCompositionTrack(IntPtr) |
A constructor used when creating managed representations of unmanaged objects; Called by the runtime. |
| AVCompositionTrack(NSObjectFlag) |
Constructor to call on derived classes to skip initialization and merely allocate the object. |
Properties
| Asset |
The AVAsset of which the AVAssetTrack is a component. (Inherited from AVAssetTrack) |
| AvailableMetadataFormats |
The available metadata formats for the track. (Inherited from AVAssetTrack) |
| AvailableTrackAssociationTypes |
The available association types available for this track. Should be a constant defined in AVAssetTrackTrackAssociation (Inherited from AVAssetTrack) |
| CanProvideSampleCursors | (Inherited from AVAssetTrack) |
| Class | (Inherited from NSObject) |
| ClassHandle |
The handle for this class. |
| CommonMetadata |
The available common metadata items. (Inherited from AVAssetTrack) |
| DebugDescription |
A developer-meaningful description of this object. (Inherited from NSObject) |
| Decodable | (Inherited from AVAssetTrack) |
| Description |
Description of the object, the Objective-C version of ToString. (Inherited from NSObject) |
| Enabled |
Whether the track is enabled. (Inherited from AVAssetTrack) |
| EstimatedDataRate |
An estimate of the data-rate of the track, in bits per second. (Inherited from AVAssetTrack) |
| ExtendedLanguageTag |
The BCP-47 language tag for the track. (Inherited from AVAssetTrack) |
| FormatDescriptions |
An array of CMFormatDescriptions that describe the formats of the samples in the AVAssetTrack. (Inherited from AVAssetTrack) |
| FormatDescriptionsAsObjects |
Returns the format descriptions as NSObjects. (Inherited from AVAssetTrack) |
| Handle |
Handle (pointer) to the unmanaged object representation. (Inherited from NSObject) |
| IsDirectBinding | (Inherited from NSObject) |
| IsProxy | (Inherited from NSObject) |
| LanguageCode |
The ISO 639-2/T language code for the AVAssetTrack. (Inherited from AVAssetTrack) |
| MediaType |
The media type of the track. Will be one of the constants defined in AVMediaType. (Inherited from AVAssetTrack) |
| Metadata |
Gets all the metadata for which metadata specifiers are available. (Inherited from AVAssetTrack) |
| MinFrameDuration |
The minimum duration of a frame. (Inherited from AVAssetTrack) |
| NaturalSize |
The natural dimensions of the AVAssetTrack's media. (Inherited from AVAssetTrack) |
| NaturalTimeScale |
The timescale for the track that can be used without additional conversions. (Inherited from AVAssetTrack) |
| NominalFrameRate |
The frame rate of the track, in frames-per-second. (Inherited from AVAssetTrack) |
| Playable |
Whether the track is currently playable in the current environment. (Inherited from AVAssetTrack) |
| PreferredTransform |
A transform stored in the AVAssetTrack that is preferred for visual playback. (Inherited from AVAssetTrack) |
| PreferredVolume |
A value between 0 and 1, stored in the container, indicating a preferred playback level. (Inherited from AVAssetTrack) |
| RequiresFrameReordering |
Gets or sets a Boolean value that tells whether tracks have samples have timestamps that differ for presentation and decoding. (Inherited from AVAssetTrack) |
| RetainCount |
Returns the current Objective-C retain count for the object. (Inherited from NSObject) |
| Segments |
Gets the array of AVCompositionTrackSegment objects that comprise the track. |
| Self | (Inherited from NSObject) |
| SelfContained |
Whether all sample data is contained internally, with no external data. (Inherited from AVAssetTrack) |
| Superclass | (Inherited from NSObject) |
| SuperHandle |
Handle used to represent the methods in the base class for this NSObject. (Inherited from NSObject) |
| TimeRange |
The range of the track within the overall timeline of the P:AVFoundation.AVAssetTrack.AVAsset. (Inherited from AVAssetTrack) |
| TotalSampleDataLength |
The length of the sample data of the track, in bytes. (Inherited from AVAssetTrack) |
| TrackID |
An identifier for the track. (Inherited from AVAssetTrack) |
| Zone | (Inherited from NSObject) |
Methods
| 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)
|
| 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 AVAssetTrack) |
| 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 AVAssetTrack object. (Inherited from AVAssetTrack) |
| 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) |
| GetAssociatedTracks(NSString) |
Gets the tracks that are associated by the specified association type. (Inherited from AVAssetTrack) |
| GetAssociatedTracksOfType(NSString) |
Obsolete.
Retrieves associated tracks whose relationship is the specified |
| GetBindingInfo(NSString) | (Inherited from NSObject) |
| GetBindingOptionDescriptions(NSString) | (Inherited from NSObject) |
| GetBindingValueClass(NSString) | (Inherited from NSObject) |
| GetDictionaryOfValuesFromKeys(NSString[]) |
Retrieves the values of the specified keys. (Inherited from NSObject) |
| GetHashCode() |
Generates a hash code for the current instance. (Inherited from NSObject) |
| GetMethodForSelector(Selector) | (Inherited from NSObject) |
| GetNativeField(String) |
Obsolete.
(Inherited from NSObject)
|
| GetNativeHash() | (Inherited from NSObject) |
| HasMediaCharacteristic(String) |
Whether the AVAssetTrack has the specified |
| Init() | (Inherited from NSObject) |
| InitializeHandle(IntPtr, String) | (Inherited from NSObject) |
| InitializeHandle(IntPtr) | (Inherited from NSObject) |
| 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) |
| MakeSampleCursor(CMTime) | (Inherited from AVAssetTrack) |
| MakeSampleCursorAtFirstSampleInDecodeOrder() | (Inherited from AVAssetTrack) |
| MakeSampleCursorAtLastSampleInDecodeOrder() | (Inherited from AVAssetTrack) |
| MarkDirty() |
Promotes a regular peer object (IsDirectBinding is true) into a toggleref object. (Inherited from NSObject) |
| MetadataForFormat(String) |
The AVMetadataItems that match the |
| MutableCopy() |
Creates a mutable copy of the specified NSObject. (Inherited from NSObject) |
| 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, NSObject, Double, NSString[]) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject, Double) |
Invokes the selector on the current instance and if the |
| PerformSelector(Selector, NSObject, NSObject) | (Inherited from NSObject) |
| PerformSelector(Selector, NSObject) | (Inherited from NSObject) |
| PerformSelector(Selector, NSThread, NSObject, Boolean, NSString[]) | (Inherited from NSObject) |
| PerformSelector(Selector, NSThread, NSObject, Boolean) | (Inherited from NSObject) |
| PerformSelector(Selector) | (Inherited from NSObject) |
| PrepareForInterfaceBuilder() | (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, NSString) |
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) |
| RemoveObserver(NSObject, String) |
Stops the specified observer from receiving further notifications of changed values for the specified keyPath. (Inherited from NSObject) |
| RespondsToSelector(Selector) |
Whether this object recognizes the specified selector. (Inherited from NSObject) |
| SamplePresentationTimeForTrackTime(CMTime) |
Returns the presentation time after the |
| SegmentForTrackTime(CMTime) |
The track segment containing the specified |
| 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) |
| ToString() |
Returns a string representation of the value of the current instance. (Inherited from NSObject) |
| 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) |