I'm not in advanced video en-/decoding at all, but I think the file I used has 337 keyframes. That should be enough for 21 different screenshots.
Attached is the output of "aviindex -o /home/johan/tmp/3rd\ Rock\ from\ the\ Sun\ -\ 4-14\ -\ Paranoid\ Dick.avi.aviindex.out -i 3rd\ Rock\ from\ the\ Sun\ -\ 4-14\ -\ Paranoid\ Dick.avi -x".
I'm not in advanced video en-/decoding at all, but I think the file I used has 337 keyframes. That should be enough for 21 different screenshots. tmp/3rd\ Rock\ from\ the\ Sun\ -\ 4-14\ -\ Paranoid\ Dick.avi. aviindex. out -i 3rd\ Rock\ from\ the\ Sun\ -\ 4-14\ -\ Paranoid\ Dick.avi -x".
Attached is the output of "aviindex -o /home/johan/