Interface SeekRequest

This field shall indicate the position (in milliseconds) in the media to seek to. In case the position falls in the middle of a frame, the server shall set the position to the beginning of that frame and set the SampledPosition attribute on the cluster accordingly. If the position falls before the earliest valid position or beyond the furthest valid position to which a client may seek back or forward to respectively, the status of SEEK_OUT_OF_RANGE shall be returned and no change shall be made to the position of the playback.