This open source program was created in Feb 2007 by reverse engineering DVD-VR format discs, and has been tested on linux, Mac OS X and Windows (with WSL or cygwin). An example run is shown below: $ dvd-vr /media/dvd/DVD_RTAV/VR_MANGR.IFO format: DVD-VR V1.1 VOB format 1... tv_system : NTSC resolution : 480x480 video_format: MPEG2 aspect_ratio: 4:3 audio_channs: 2 audio_coding: Dolby AC-3 VOB form