gistfile1.rb

require 'timecode'

tc = Timecode.parse("00:00:10:12", fps = 25)
tc.total #=> 262 total frames

plus_ten_hours = tc + Timecode.parse("10h", fps = 25)
plus_ten_hours #=> 10:00:10:12, one hour later

divided_by_ten = plus_ten_hours / 10
divided_by_ten #=> 01:00:01:01, one tenth

clip = (Timecode.parse("1h")..Timecode.parse("2h"))
clip.to_a.length #=> 90001 frames