[MEncoder-users] Creating Windows Media Player Compatible Files

m.kibou at gmail.com m.kibou at gmail.com
Wed Sep 20 02:06:27 CEST 2006

On Tue, Sep 19, 2006 at 21:20:02 CEST, enki wrote:
> I have been trying to create movie files that can be played with the default settings of Windows Media Player on WinXP SP2. I tried the following options that I found on the net:
>   > mencoder dv_input_movie.avi -oac mp3lame -lameopts preset=64 -ovc lavc -lavcopts vcodec=msmpeg4v2 -o output_movie.avi 
>   The file I get does not always play on WMP. At the end of the mencoder output, I have the following message:
>   [...]
>   Writing index...
> Writing header...
> ODML: Aspect information not (yet?) available or unspecified, not writing vprp header.
>   Video stream:  782.471 kbit/s  (97808 B/s)  size: 4636141 bytes  47.400 secs  11
> 85 frames
>   It appears like the problem lies on the header that is not written. Tried to convert different formats but always had the same "ODML: ..." message.. Any suggestions?

If you add autoaspect to the lavcopts the ODML warning about the aspect info
goes away.

mencoder dv_input_movie.avi -oac mp3lame -lameopts preset=64 -ovc lavc -lavcopts vcodec=msmpeg4v2:autoaspect -o output_movie.avi

But I don't think that's the reason the files don't always work.

- M. S.

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