[MEncoder-users] mencoder audio is faster than video

[Emmanuel Guarda]

2008/11/25 James Hastings-Trew <jimht at shaw.ca>

> Emmanuel Guarda wrote:
> > i'm triing to encode tv programs with a bt878 based card that works
> > prefectly with tvtime.
> > te code that use to encode is:
> >
> > *mencoder tv:// -tv
> >
> forceaudio:alsa:driver=v4l2:input=0:norm=pal-nc:chanlist=us-cable:channel=$CHAN:width=640:height=480
> > -ovc lavc -lavcopts vcodec=mpeg4:vbitrate=3000 -ofps 25 -oac mp3lame
> > -lavcopts acodec=mp3:abitrate=128 -srate 48000 -noskip -mc 0 -vf
> > scale=640:480,pp=hb/vb/dr/al/lb -endpos $DURATION -o "$FNAME"_`date
> > +%m%d`.avi -quiet*
> > the image and audio hears perfect, but when i record a long time, the
> audio
> > is before the video.
> >
> Have you tried putting harddup at the end of your filter chain?
>
> -vf scale=640:480,pp=hb/vb/dr/al/lb,harddup
>
> And remove the -noskip -mc 0. Mencoder maintains AV synch by adding or
> removing frames. Putting -noskip -mc 0 in there effectively disables this.
> Also, try putting -fps 25 in there as well. Just some suggestions off the
> top of my

<MEncoder-users at mplayerhq.hu>
>  <https://lists.mplayerhq.hu/mailman/listinfo/mencoder-users>


with this option, the same, y solved a little putting the option -fps 27
when i play it with mplayer,
audio is faster too, but less.

thanks for the answer

-- 
EMMA