[MPlayer-users] Putting motion back into an mpeg-ps stream

Nico Sabbi Nicola.Sabbi at poste.it
Tue Apr 8 09:54:41 CEST 2008


On Tuesday 08 April 2008 04:19:37 PO wrote:
> Hi all!
>
> I'm going from a divx5 format avi with no b frames to a dvd mpeg-ps
> file for playback in a standalone dvd player. The problem with the
> final file is that on high motion scenes the playback becomes
> jerky, the result of no b frames, I assume.

I seriously doubt it

> what would be the best 
> way to do such a task? Is there a filter I can add to the -vf
> option that will fix this?
>
> *******************************************************************
> And here is the command I used to create the dvd.
>
> *******************************************************************
> bash-3.1$ mencoder -of mpeg -mpegopts
> format=dvd:tsaf:vaspect=4/3:vframerate=29.97 -srate 48000 -ofps
> 30000/1001 -ovc lavc -vf
> crop=496:368:8:8,scale=720:480,hqdn3d,harddup -oac lavc -lavcopts
> vcodec=mpeg2video:vrc_buf_size=1835:keyint=15:trell:mbd=2:precmp=2:
>subcmp=2:cmp=2:dc=10:vrc_maxrate=8800:vbitrate=5000:aspect=4/3:acode
>c=ac3:abitrate=320:vstrict=0:vpass=2 -o movie.mpeg original_divx.avi
> ******************************************************************

dc=10 isn't valid for dvds. If you want 2 bframes 
add :vmax_b_frames=2.



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