[MPlayer-users] mpeg files by mencoder don't work under Windows

Nico Sabbi nsabbi at fastwebnet.it
Thu Jun 16 10:14:58 CEST 2005


>The problem seems to be that when I transfer the "-of mpeg" files to
>windows (my friend tries to build the dvd with Adobe Encore), none of
>the windows players are able to show the video in the files (which
>have mp2 audio (lavc) and mpeg2 video (lavc)), only the audio.
>
>If I do "mencoder -o test.mpg -of mpeg -nosound -ovc copy
>transcoded.mpeg", windows players will be able to show the video, but
>it's framerate varies a lot. At some points it seems to decode as many
>as possible frames, otherwise it decodes them at normal speed.
>
>I have a Athlon XP 1800+ based system so I doubt that any cpu shortage
>can cause the strange playing under windows..
>
>The line used to create the mpeg's was something along the lines of
>(all sources were already 25fps):
>"mencoder source.avi -oac lavc -ovc lavc -vf
>crop=....,pp=md,scale=720:576 -lavcopts
>acodec=mp2:vcodec=mpeg2video:vbitrate=3500:abitrate=128:vhq:trell:autoaspect
>-of mpeg -o output.mpg"
>
>(I didn't really pay attention to the aspect because it can be fixed
>in the mastering phase.)
>
>Is there something catastrofally wrong with those parameters? Oh yeah,
>I almost forgot. mplayer is able to play all the files created by
>mencoder just fine. If only all other players were as flexible...
>
>-- 
>-Joonas
>

atm it's necessary to keep the gop short: keyint never larger than 125 
or the SCR may give problems. I'm working on a solution.
Additionallym, try to add -mpegopts tsaf:vbitrate=3500. 
Windows players seem to benefit from those options.


          Nico





More information about the MPlayer-users mailing list