3.1.4.6 Request to Change Playback Position

This event occurs when the higher layer wants to start streaming from some specific position in the content.

The client SHOULD make the value of the Trick-Mode-Rate variable available to the higher layer and SHOULD allow the higher to change the value of the Trick-Mode-Rate variable.

If the value of the State variable in the abstract data model is READY, this event MUST be treated the same as a request to start streaming, as specified in section 3.1.4.2.

If the value of the State variable is STREAMING, the client MUST first request the server to stop streaming, as specified in section 3.1.4.5. Once this is complete, the value of the State variable is READY, and the client MUST request to start streaming at the new playback position, as specified in section 3.1.4.2.

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