[MPlayer-users] Mplayer output format changed in mpeg stream?

[John Brown]

>Now my question. Is it possible to tell mencoder to output v1 code? I
>already used the lavc vcode=mped1video! I do not know, if this is a bug or
>  a missing feature.

See -mpegopts in the MPlayer manual. You can create 5 different types of 
MPEG, but mpeg2 is the default. So your command generates an mpeg2 file that 
contains an mpeg1 video stream.