[MEncoder-users] encoding multimedia files to dvd video

[Nico Sabbi]

Dave wrote:
> Hello,
>     Thanks for your reply. The issue is i keep getting somewhat jerky video, 
> like it jumps. I abandoned my previous line and took this right out of the 
> mplayer docs section 14.8.2 or 3 i think. THe only addition was 
> the -channels 6 which i hope will convert from stereo to 5.1 surround sound 
> audio. The fps is right for ntsc, but aspect might not be, it is 16/9, in 
> the below, isn't that for wide screen? Shouldn't that be 4:3? And the 
> abitrate option at 192, i've seen 224 and i believe 480 for 6 channels, is 
> 192 the correct value?
> Thanks.
> Dave.
> 
> mencoder -channels 6 -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd:tsaf 
> \
> -vf scale=720:480,harddup -srate 48000 -af lavcresample=48000 \
> -lavcopts 
> vcodec=mpeg2video:vrc_buf_size=1835:vrc_maxrate=9800:vbitrate=5000:\
> keyint=18:vstrict=0:acodec=ac3:abitrate=192:aspect=16/9 -ofps 30000/1001 \
> -o movie.mpg movie.avi
> 

jerkiness comes from framerate conversion with -ofps.
If the source framerate (say x) is < 30000/1001 you had better leave
it unmodified (removing -ofps) and add tele_src=x:tele_dest=30000/1001