SCTE 104
segmentation_event_cancel_indicator
insert_segmentation_descriptor_request_data
When true, it cancels a previously sent segmentation event with the same segmentation_event_id. When false, the request defines a normal segmentation event.
insert_segmentation_descriptor_request_data
When true, it cancels a previously sent segmentation event with the same segmentation_event_id. When false, the request defines a normal segmentation event.