Check for invalid input, track number; Add a boolean to check if any input was invalid
Handle optional argument errors manually
Handle optional argument errors through getopt, display error on invalid track
Remove redundant track number check
Set and display video height
Set video width; Add booleans for valid attributes
Display video width
Display letterbox
Display letterbox usage
Display film mode
Check for NTSC CC1, NTSC CC2 from libdvdread
Display number of audio streams
Cosmetics
Access VTS instead of VTSM
Display number of subtitles
Fix display num audio streams check
Remove sample code notes
Add FIXME note
Document header files, move to booleans