[MPlayer-users] creating thumbnail-screenshots of movies

[Marco Trudel]

Hello list

I'm work with MPlayer 1.0pre8 on Windows and I'm trying to create 
thumbnails-screenshots that have a maximum width and height of 100. I 
currently use this command:

mplayer.exe -frames 2 -vo jpeg -zoom -xy 100 movie.mpg

BTW: I make two frames because I noticed that on some codecs, the first 
picture is always empty (completly black)...
Back to the problem: If there will ever be a video, where the height is 
bigger than the width, the height will get bigger than 100px.
"-vf scale" doesn't seem to be able to keep the aspect ratio. "-dsize 
100:100:2" does exactly what I need when playing a video, but it seems 
to be ignored on creating jpegs...setting.

So, how to create screenshots that have a max height and max width of 
100 and keep the correct aspect ratio?

Any help really appreciated. And if some developpers read this: great 
work this MPlayer! thanks for it...


regards
Marco