OptionalsegmentSegment length in seconds. Default: 2
OptionalforceForce a keyframe exactly at each segment boundary.
The segment muxer can only cut on a keyframe, so without this a 2s file
with segmentTime: 1 and a large GOP can come out as a single segment.
Default: true.
OptionalresetReset each segment's timestamps to zero. Default: true
OptionalvideoOptionalaudioOptionalbinary
Output pattern; must contain %d, e.g. 'seg%03d.ts'