PerceptionVideoFrameAllocator Class

Definition

Namespace:

Windows.Devices.Perception.Provider

An allocator that can create PerceptionFrames directly which can be written into or copied from Windows::Media::VideoFrame into a PerceptionFrame.

public ref class PerceptionVideoFrameAllocator sealed : IClosable

/// [Windows.Foundation.Metadata.ContractVersion(Windows.Foundation.UniversalApiContract, 65536)]
/// [Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
/// [Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
/// [Windows.Foundation.Metadata.Activatable(Windows.Devices.Perception.Provider.IPerceptionVideoFrameAllocatorFactory, 65536, "Windows.Foundation.UniversalApiContract")]
/// [Windows.Foundation.Metadata.Deprecated("PerceptionVideoFrameAllocator may be unavailable after Windows Creator Update. Please refer to AVStream on MSDN.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 262144, "Windows.Foundation.UniversalApiContract")]
class PerceptionVideoFrameAllocator final : IClosable

[Windows.Foundation.Metadata.ContractVersion(typeof(Windows.Foundation.UniversalApiContract), 65536)]
[Windows.Foundation.Metadata.MarshalingBehavior(Windows.Foundation.Metadata.MarshalingType.Agile)]
[Windows.Foundation.Metadata.Threading(Windows.Foundation.Metadata.ThreadingModel.Both)]
[Windows.Foundation.Metadata.Activatable(typeof(Windows.Devices.Perception.Provider.IPerceptionVideoFrameAllocatorFactory), 65536, "Windows.Foundation.UniversalApiContract")]
[Windows.Foundation.Metadata.Deprecated("PerceptionVideoFrameAllocator may be unavailable after Windows Creator Update. Please refer to AVStream on MSDN.", Windows.Foundation.Metadata.DeprecationType.Deprecate, 262144, "Windows.Foundation.UniversalApiContract")]
public sealed class PerceptionVideoFrameAllocator : System.IDisposable

function PerceptionVideoFrameAllocator(maxOutstandingFrameCountForWrite, format, resolution, alpha)

Public NotInheritable Class PerceptionVideoFrameAllocator
Implements IDisposable

Inheritance

Object Platform::Object IInspectable PerceptionVideoFrameAllocator

Attributes

ActivatableAttribute ContractVersionAttribute MarshalingBehaviorAttribute ThreadingAttribute DeprecatedAttribute

Implements

IClosable IDisposable

Windows requirements

Device family	Windows 10 (introduced in 10.0.10240.0)
API contract	Windows.Foundation.UniversalApiContract (introduced in v1.0)

Constructors

PerceptionVideoFrameAllocator(UInt32, BitmapPixelFormat, Size, BitmapAlphaMode)

Initializes a new PerceptionVideoFrameAllocator with the required properties for use by the IPerceptionFrameProvider to create PerceptionFrames published via PerceptionFrameProviderManagerService::PublishFrameForProvider.

Methods

AllocateFrame()	Creates an empty PerceptionFrame with the properties specified when creating the PerceptionVideoFrameAllocator.
Close()	Releases system resources that are exposed by a Windows Runtime object.
CopyFromVideoFrame(VideoFrame)	Creates a deep copy of the video FrameProvider with the bytes already filled in with the resulting PerceptionFrame.
Dispose()	Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.

See also

• IClosable