Occasionally you want to

• get some info on a group of files
• make nice stills before uploading a new torrent.

That's what I need:

• a program that will tell you whether a certain DVD is in PAL or NTSC format
• a program that will tell you the resolution and bits per pixel for images
• a program that will tell you the resolution and used audio / video codecs of a film
• a program that will allow you to make stills of a whole film or parts thereof AND will let you choose the interval between individual shots

Of course, one program per line, not one that can do all of this.

All programs should be cli (command line interface) programs, if possible for Linux / Unix / Cygwin, so that I can, for example, do something like
find -name '*.jpg' -exec get_info {}  > filesizes ;
with get_info being the program to list pic resolution, bpp etc.

Or for screen shots something like
mk_stills -r4 -w300 -s0:30 -e1:20 i:120 someflic.avi > someflic.info
with mk_stills being the snapshot program, resulting in a contact sheet with 4 rows of pics 300 pixels wide, going from 0:30 hrs to 1:20 hrs with one pic every 2 minutes. I would also be quite content with a program that only provides a lot of subsequently numbered pictures, for I these can be concatenated / put on one page with imagemagick.

Lastly: I often see contact sheets which seem to be made with mediaplayer classic. How do I do that?

Thanks for any input.

Seksa