[MEncoder-users] is this possible

[Nicholas Oleksinski]

I believe one workaround could be to extract the full video and audio
streams independently, and then remux them.  That would probably resync
better than what you are considering.

On Sun, Feb 27, 2011 at 8:06 AM, Daniel Harris
<mail.dharris at googlemail.com>wrote:

> Hello
>
> I am trying to record some vhf tape to dvd but after trying what seems
> like hundreds of combinations I still end up with a/v sync issues.
> Over an hour the sync only seems to go out by about 100ms so I was
> thinking about recording in 5 to 10 minute intervals and then cutting
> and splicing the whole video back together again using scene changes
> as markers.  Is that possible and is there a way to make mencoder
> record for 5 or ten minutes and then fire up a second instance say
> about 30 seconds before the first one ends.  I guess this would
> require some sort of shell script?
>
> Would this be the best way to do this or is their a better way?
>
> Thanks in advance
>
> Dan
>
> ps this is the command I am using to record the input
>
> mencoder -tv
> norm=PAL:driver=v4l2:width=720:height=576:input=1:device=/dev/video0:alsa:adevice=hw.0,0:audiorate=48000:forceaudio:immediatemode=0:fps=25
>  tv:// -oac lavc -ovc lavc -of mpeg -mpegopts format=dvd:tsaf -vf
> pp=lb/ha/va/dr,hqdn3d,harddup -srate 48000 -af lavcresample=48000
> -lavcopts
> vcodec=mpeg2video:vrc_buf_size=1500:vrc_maxrate=8000:vbitrate=7000:keyint=15:acodec=mp2:abitrate=192:aspect=4/3
> -mc 0 -noskip -o output.mpg
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