[MEncoder-users] audio severely out of sync when encoding a video from a DVD-RAM

[Grozdan]

On Thu, Mar 11, 2010 at 3:30 AM, Tomas Vondra <tv at fuzzy.cz> wrote:

> Hi,
>
> I do have a hard time enconding video recorded on a DVD-RAM - no matter
> what options I use the resulting audio is severely (a few seconds) out of
> sync :-(
>
> When playing the original video (in mplayer) works perfecly fine, but once
> I run it through mencoder, it's broken for some reason.
>
> For example this:
>
> $ mencoder /mnt/cdrom/DVD_RTAV/VR_MOVIE.VRO -oac lavc -ovc lavc -lavcopts
> acodec=libmp3lame:abitrate=64:vcodec=mpeg4:vbitrate=2000 -vf
> pp=lp,scale=600:450 -sws 2 -o ~/out-of-sync.avi
>


Try using mp3 not through lavc, but with -oac mp3lame -lameopts


>
> results in video with audio out of sync. What's wrong with it? I've tried
> to search the man page & mailing list, but no luck.
>
> thanks
> Tomas
>
> PS: I've tried to encode it using ffmpeg too and it works (the audio sync
> is perfectly fine), but I'd like to use mencoder (the DVD is scratched and
> mencoder handles the corruption much better).
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