ruby-opencvで動画ファイル再生
『Class: OpenCV::CvCapture ― Documentation for ruby-opencv (0.0.14)』
http://www.rubydoc.info/gems/ruby-opencv/OpenCV/CvCapture
require 'opencv' include OpenCV vid = CvCapture.open(ARGV.shift) win = GUI::Window.new('win') printf("%d x %d, %d fps, %d frames \n", vid.width, vid.height, vid.fps, vid.frame_count) frame_msec = 1000/vid.fps loop do img = vid.query break unless img win.show img c = GUI::wait_key(frame_msec) break if c == 27 end