Optional
Optional. Segment end time. Specified as a decimal number of seconds followed
by an 's' suffix, e.g., "30s". Must be non-negative and greater than start_offset if start_offset is set.
start_offset
Optional. Video frame-rate sampling density.
Optional. Segment start time. Specified as a decimal number of seconds followed
by an 's' suffix, e.g., "10.5s". Must be non-negative.
Optional. Segment end time. Specified as a decimal number of seconds followed