[MEncoder-users] Why Mencoder's mpeg output can not be

DD DD d2ncal2 at gmail.com
Wed Nov 22 23:53:48 CET 2006


On 11/21/06, RC <rcooley at spamcop.net> wrote:
>
> On Mon, 20 Nov 2006 21:52:14 +0100
> Nico Sabbi <nicola_sabbi at fastwebnet.it> wrote:
>
> > >I tried encoding with -of mpeg and "format=mpeg1" and found that WMP
> > >won't play it...
> > >That's EXTREMELY strange, since that exact same procedure worked a
> > >while back:
> > >
> > >
> > can you upload a sample and post the command line, please?
>
>
> Command-line is as simple as possible:
>
> 1.0pre7 Works:
> mencoder-1.0pre7 -vf pp=lb -ofps 30000/1001 -endpos 60
> /home/root/TV/Secrets\ of\ the\ Dead\ 2006.11.15_2000.mpg -oac lavc -ovc
> lavc -lavcopts vcodec=mpeg1video:abitrate=128 -of mpeg -mpegopts
> format=mpeg1 -o mpeg1-pre7.mpg
>
> CVS Fails:
> mencoder -vf pp=lb -ofps 30000/1001 -endpos 60 /home/root/TV/Secrets\
> of\ the\ Dead\ 2006.11.15_2000.mpg -oac lavc -ovc lavc -lavcopts
> vcodec=mpeg1video:abitrate=128 -of mpeg -mpegopts format=mpeg1 -o
> mpeg1-cvs.mpg
>
> (Note: tsaf doesn't help)
>
> Files mpeg1-pre7.mpg and mpeg1-cvs.mpg have been uploaded to /incoming
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>


I use the command:

mencoder -quiet -of lavf -lavfopts
format=mpg:i_certify_that_my_video_stream_does_not_use_b_frames -ovc lavc
-oac lavc -lavcopts
vcodec=mpeg1video:keyint=10:vmax_b_frames=0:acodec=mp2:abitrate=128 -ofps 25
-o test.mpg test.flv

It works pretty well, and am able to play the file in windows media player
fine. However, im having some AV sync issues.. any idea how to fix it?

D.



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