MediaCapture.PrepareLowLagRecordToStreamAsync 方法

定义

命名空间:

Windows.Media.Capture

使用指定的随机访问流来存储录制，初始化低延迟录制。 此方法提供用于管理录制的 LowLagMediaRecording 对象。

public:
 virtual IAsyncOperation<LowLagMediaRecording ^> ^ PrepareLowLagRecordToStreamAsync(MediaEncodingProfile ^ encodingProfile, IRandomAccessStream ^ stream) = PrepareLowLagRecordToStreamAsync;

IAsyncOperation<LowLagMediaRecording> PrepareLowLagRecordToStreamAsync(MediaEncodingProfile const& encodingProfile, IRandomAccessStream const& stream);

public IAsyncOperation<LowLagMediaRecording> PrepareLowLagRecordToStreamAsync(MediaEncodingProfile encodingProfile, IRandomAccessStream stream);

function prepareLowLagRecordToStreamAsync(encodingProfile, stream)

Public Function PrepareLowLagRecordToStreamAsync (encodingProfile As MediaEncodingProfile, stream As IRandomAccessStream) As IAsyncOperation(Of LowLagMediaRecording)

参数

encodingProfile

MediaEncodingProfile

录制的编码配置文件。

stream

IRandomAccessStream

写入图像数据的流。

返回

IAsyncOperation<LowLagMediaRecording>

此方法完成后，将返回 LowLagMediaRecording 对象，该对象可用于启动照片捕获。

Windows 要求

应用功能	backgroundMediaRecording