[MPlayer-users] aspect trouble encoding DVD and interesting bug with scaling

Chris Phillips chris at thirtythreeandathird.net
Sun Sep 1 15:30:02 CEST 2002

have you even bothered to RTFM??? "-vop scale=640:480"

> I've got some trouble while encoding 16:9 DVDs. If I just do mencoder -dvd x -
> o somefile.avi some_codec_options, the film is correctly ripped/encoded. BUT 
> as a 720x576 movie, i.e. the scaling which is normally done by the xv driver 
> for example (as far as I could understand from mplayer output, "xv: 720x576 
> Planar ___ => 1024x576 Planar ___") is not done here. I'm using some CVS 
> version of july 2002, and it did the same with an april version. I can't copy 
> the output of mencoder at the moment, but it says "applying prescaling" in the 
> input codec, but nothing like the xv conversion mentionned above.
> If you have a solution here other than the one I'me going to mention, please 
> tell me! Otherwise, be prepared for some strange bug.
> I thought it should be okay, then, to mention the scaling on the command line. 
> So I tried mencoder -scale -zoom -aspect=16:9 and mencoder -scale=1024:576. 
> Both work, but I get some white dots on the right of the picture, which are 
> NOT REALLY in the picture, but "over it". If I move the window, the dots stay 
> where they are, and if I move the window far enough, they disappear, like the 
> window moves out of under them (I hope this is somehow understandable.....). 
> One would say: then it's not the movie, it' some driver bug. Probably, but it 
> only happens with the movies I encode in the described way. All others work 
> fine as they always did!
> I'm clueless and I hope someone will be able to help me. Otherwise I'll have 
> to encode and re-encode every DVD in order to get it to the right format 
> (although -aspect while playing also does it, but I like to have "real good 
> encoded" movies)

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