[MEncoder-users] How to avoid A/V synchronisation pb

[Jorge Peixoto de Morais Neto]

On Tue, Apr 29, 2008 at 4:52 AM, Philippe MONROUX
<phi2-monroux at wanadoo.fr> wrote:
> Hi,
>
>  First I apologize for my poor english.
>
>  My goal is to x264 2-pass encode one dvd title to one 700 M cd with ogg
>  vorbis sound (not very original...)
>
>  So in first I  need to rip sound to know its  size (SoundSize) to have
>  better bitrate calculation (700-SoundSize)*1024^2*8/t/1000
>
>  I've  read the  doc but  I'm not  sure about  my method  to  avoid A/V
>  synchronisation pbs.
>
>  Here is my method :
>
>  1) rip audio to audio.ogg --> SoundSize --> bitrate
>
>  2) pass 1 :
>  mencoder  dvd://1   -aid  128  -oac  copy  -vf   [filters]  -ovc  x264
>  -x264encopts [options-pass1]turbo=2:pass=1 -o /dev/null
>
>  3) pass 2 :
>  mencoder  dvd://1   -aid  128  -oac  copy  -vf   [filters]  -ovc  x264
>  -x264encopts [options-pass2]:pass=2 -o out.avi
>
>  4) mkv creation...
>
>  My question  is about "-ovc copy" in  pass-1 and pass-2. Is  it a good
>  choice to A/V synchronisation pbs or  is there a better choice (I read
>  nosound is not a good choice).

I use -oac copy and it has worked well.
Oh, and about the bitrate:
A CD labeled as 700 MB has 703.125