NewSegment method notifies the pin that media samples received after this call are grouped as a segment. Implements the IPin::NewSegment method.
HRESULT NewSegment( REFERENCE_TIME tStart, REFERENCE_TIME tStop, double dRate );
Starting media position of the segment, in 100-nanosecond units.
End media position of the segment, in 100-nanosecond units.
Rate at which this segment should be processed, as a percentage of the original rate.