2.1.30 cs-media-role
The purpose of this field is to specify a value that can be associated with a server-side playlist entry to signify the role of the playlist entry. For Legacy and Streaming Logs, the value of this field MUST be the role of the server-side playlist entry that was streamed. For Rendering Logs, it MUST be the role of the server-side playlist entry that was rendered (played).
If the server provided a Content Description as specified in [MS-WMSP], and the Content Description contains an entry named WMS_CONTENT_DESCRIPTION_ROLE, the value of the cs-media-role field MUST be equal to the value of the WMS_CONTENT_DESCRIPTION_ROLE entry.
Otherwise, if the client is using an Active Stream Redirector (.asx) file as specified in [MSDN-WMMETA], and the file specifies a logging parameter called "cs-media-role", the value of the cs-media-role field in the logging message MUST be equal to the value of the "cs-media-role" logging parameter in the .asx file. See section 3.2 for an example of how this parameter is specified in an .asx file.
If none of the preceding applies, the cs-media-role MUST be specified as "-".
The syntax of the cs-media-role field is defined as follows.
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cs-media-role= *VCHAR
Example:
-
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