Статья
11/18/2011

MediaStreamSample Constructor (MediaStreamDescription, Stream, Int64, Int64, Int64, IDictionary<MediaSampleAttributeKeys, String>)

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Instantiates a new instance of the MediaStreamSample class.

Namespace: System.Windows.Media
Assembly: System.Windows (in System.Windows.dll)

Syntax

'Declaration
Public Sub New ( _
    mediaStreamDescription As MediaStreamDescription, _
    stream As Stream, _
    offset As Long, _
    count As Long, _
    timestamp As Long, _
    attributes As IDictionary(Of MediaSampleAttributeKeys, String) _
)

public MediaStreamSample(
    MediaStreamDescription mediaStreamDescription,
    Stream stream,
    long offset,
    long count,
    long timestamp,
    IDictionary<MediaSampleAttributeKeys, string> attributes
)

Parameters

mediaStreamDescription
Type: System.Windows.Media.MediaStreamDescription
A description of the stream this sample was pulled from.

stream
Type: System.IO.Stream
A stream containing the desired media sample. Set to nulla null reference (Nothing in Visual Basic) to report the end of a stream.

offset
Type: System.Int64
The offset into the stream where the actual sample data begins.

count
Type: System.Int64
The number of bytes that comprises the sample data.

timestamp
Type: System.Int64
The time from the beginning of the media file at which this sample should be rendered as expressed using 100 nanosecond increments.

attributes
Type: System.Collections.Generic.IDictionary<MediaSampleAttributeKeys, String>
A collection of pairs describing other attributes of the media sample.

Exceptions

Exception	Condition
InvalidOperationException	One or more parameters are invalid.
ArgumentException	DRMAlgorithmID value passed in was invalid.
ArgumentException	DRMAlgorithmID was set to "Unprotected" while DRMKeyIdentifier was set to a non Guid.Empty value.
ArgumentException	DRMAlgorithmID was not set but DRMKeyIdentifier was set to a non Guid.Empty value.
ArgumentException	DRMKeyIdentifier was not set to a correctly formatted value.
ArgumentException	DRMKeyIdentifier was not set or set to Guid.Empty, but DRMAlgorithmID was specified and not set to "Unprotected".

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

Platforms

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

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