MediaTranscoder.PrepareMediaStreamSourceTranscodeAsync 方法

参考

定义

命名空间:: Windows.Media.Transcoding

重要

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编辑

异步初始化指定媒体源上的 trancode 操作，并返回可用于启动转码操作的 PrepareTranscodeResult 对象。

public:
 virtual IAsyncOperation<PrepareTranscodeResult ^> ^ PrepareMediaStreamSourceTranscodeAsync(IMediaSource ^ source, IRandomAccessStream ^ destination, MediaEncodingProfile ^ profile) = PrepareMediaStreamSourceTranscodeAsync;

IAsyncOperation<PrepareTranscodeResult> PrepareMediaStreamSourceTranscodeAsync(IMediaSource const& source, IRandomAccessStream const& destination, MediaEncodingProfile const& profile);

public IAsyncOperation<PrepareTranscodeResult> PrepareMediaStreamSourceTranscodeAsync(IMediaSource source, IRandomAccessStream destination, MediaEncodingProfile profile);

function prepareMediaStreamSourceTranscodeAsync(source, destination, profile)

Public Function PrepareMediaStreamSourceTranscodeAsync (source As IMediaSource, destination As IRandomAccessStream, profile As MediaEncodingProfile) As IAsyncOperation(Of PrepareTranscodeResult)