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2.2.2.1.1 OnMediaEvent (request)

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The callingConvention parameter in the Dispatch Request tag MUST be dslrRequest (0x00000001). The function handle for the Dispatch Request tag for OnMediaEvent MUST be 0x00000000.

This message is used to send events from an extender device to a host.

Request payload (input parameters):


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Error Code

MediaState

Error Code (4 bytes): An unsigned 32-bit integer. It is an error code value.

MediaState (4 bytes):  An unsigned 32-bit integer. It is a value to indicate the media state. It can have any of the values for Result, as specified in section 2.2.2.1.2.