[MEncoder-users] mencoder and dvdauthor

[Peter Hartshorn]

On Mon, 13 Dec 2004 12:51 pm, D Richard Felker III wrote:
> On Mon, Dec 13, 2004 at 08:24:55AM +1100, Peter Hartshorn wrote:
> > This is what I do:
> >
> > two pass encoding, mpeg2 video, ac3 audio, mpeg container
> >
> > 	mencoder -ovc frameno -oac lavc -lavcopts acodec=ac3:abitrate=448
> > rip.avi -o frameno.avi
>
> the audio prepass (frameno) is a very bad idea, imo. you really need
> to use vf_harddup with mpeg output; otherwise if there are any
> 'duplicate frame' messages you'll have a broken mpeg file as output,
> and broken a/v sync. and the frameno nonsense is incompatible with any
> filters that affect frame dropping, which includes vf_harddup.

I've found that using -noskip and -mc 0 for all passes removed any sync 
problems.

>
> rich
>
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