dashFragmentSelector

The time range of the requested fragment and the source of the timestamps.

This parameter is required if PlaybackMode is ON_DEMAND or LIVE_REPLAY. This parameter is optional if PlaybackMode is```LIVE. If PlaybackModeis LIVE, the FragmentSelectorTypecan be set, but the TimestampRangeshould not be set. If PlaybackModeis ON_DEMANDor LIVE_REPLAY, both FragmentSelectorTypeand TimestampRange` must be set.