MediaComposition Class
Definition
Important
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Represents a collection of media clips and background audio tracks.
public ref class MediaComposition sealed
/// [Windows.Foundation.Metadata.Activatable(65536, Windows.Foundation.UniversalApiContract)]
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.GCPressure]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
class MediaComposition final
/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.GCPressure]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
class MediaComposition final
[Windows.Foundation.Metadata.Activatable(65536, typeof(Windows.Foundation.UniversalApiContract))]
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.GCPressure]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
public sealed class MediaComposition
[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.GCPressure]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Activatable(65536, "Windows.Foundation.UniversalApiContract")]
public sealed class MediaComposition
function MediaComposition()
Public NotInheritable Class MediaComposition
- Inheritance
- Attributes
Windows requirements
Device family |
Windows 10 (introduced in 10.0.10240.0)
|
API contract |
Windows.Foundation.UniversalApiContract (introduced in v1.0)
|
Constructors
MediaComposition() |
Initializes a new instance of the MediaComposition class. |
Properties
BackgroundAudioTracks |
A collection of background audio tracks for playback in the media composition. |
Clips |
A collection of media clips for playback in the media composition. |
Duration |
The total playback time of the media composition. |
OverlayLayers |
Gets the list of overlay layers for the media composition. |
UserData |
An associative collection for storing custom properties associated with the media composition. |
Methods
Clone() |
Creates a MediaComposition object that is identical to this instance. |
CreateDefaultEncodingProfile() |
Create a new default media encoding profile which can be modified if necessary. |
GenerateMediaStreamSource() |
Creates a new MediaStreamSource. |
GenerateMediaStreamSource(MediaEncodingProfile) |
Creates a new MediaStreamSource using the specified MediaEncodingProfile. |
GeneratePreviewMediaStreamSource(Int32, Int32) |
Creates a new MediaStreamSource used to preview the edited media. |
GetThumbnailAsync(TimeSpan, Int32, Int32, VideoFramePrecision) |
Asynchronously gets an image stream that represents a thumbnail of the media composition. |
GetThumbnailsAsync(IIterable<TimeSpan>, Int32, Int32, VideoFramePrecision) |
Asynchronously gets a vector view of thumbnails of the media composition. |
LoadAsync(StorageFile) |
Asynchronously loads a MediaComposition from a StorageFile. |
RenderToFileAsync(IStorageFile, MediaTrimmingPreference, MediaEncodingProfile) |
Asynchronously renders the MediaComposition to a specified file using the indicated media trimming preference and encoding profile. |
RenderToFileAsync(IStorageFile, MediaTrimmingPreference) |
Asynchronously renders the MediaComposition to a specified file using the indicated media trimming preference. |
RenderToFileAsync(IStorageFile) |
Asynchronously renders the MediaComposition to the specified file. |
SaveAsync(IStorageFile) |
Asynchronously serializes the MediaComposition to disk so that it can be loaded and modified in the future. |