[MPlayer-users] -oac copy results in out of sync audio with mencoder ?

[mx2927]

Have you tried -mc 0 -vf harddup (no -noskip) in mencoder ?

On 2/5/2012 1:50 PM, a a wrote:
> It seems that running mkvmerge as a second pass fixes the issue
>
> mkvmerge -o x.mkv  in.avi
> -
> no clue why but sounds like an issue with the keyframes ? The new file is marginally smaller (about 1%).
>
>
>
> --- On Sun, 2/5/12, a a<you2bepie at yahoo.com>  wrote:
>
> From: a a<you2bepie at yahoo.com>
> Subject: Re: [MPlayer-users] -oac copy results in out of sync audio with mencoder ?
> To: "feature requests bug reportsMPlayer usage questions"<mplayer-users at mplayerhq.hu>
> Date: Sunday, February 5, 2012, 7:05 AM
>
> I'm not sure if I understand what hte second pass is doing here;but if I use pcm or anything but copy for oac then the audio is in sync. Its only when I try to copy the audio that it ends up out of sync.
>
> I can't get mencoder to just copy the video; but I was thinking I could use mkvextra and merge to insert the original audio track.
>
> Still I don't understand why the copy ends up with the audio out of sync :(
>
>
> --- On Sat, 2/4/12, Ron Johnson<ron.l.johnson at cox.net>  wrote:
>
> From: Ron Johnson<ron.l.johnson at cox.net>
> Subject: Re: [MPlayer-users] -oac copy results in out of sync audio with mencoder ?
> To: "MPlayer usage questions, feature requests, bug reports"<mplayer-users at mplayerhq.hu>
> Date: Saturday, February 4, 2012, 11:59 PM
>
> On 02/04/2012 03:10 PM, a a wrote:
>> noskip doesn't seem to help - i used this command line:
>>
>>
>> mencoder in.mkv -mc 0 -noskip -oac copy -ovc x264 -x264encopts preset=slow:tune=film:crf=15:frameref=15:fast_pskip=0:threads=auto:bitrate=2000 -nosub -vf scale=1280:-10 -of avi -o x.avi
>>
>> Appreciate any other suggestions you might have.
>>
>
> When converting MJPEG .mov files to DVD-compatible MPEG2 files, I was faced with a similar problem.  The solution was a 2-step conversion:
>
>
> VCODEC="vcodec=mpeg2video:aspect=4/3:vbitrate=6000:trell:nr=100"
> mencoder \
>      *.mov \
>      -o ${FOO}.avi \
>      -ovc lavc -lavcopts $VCODEC \
>      -oac pcm -channels 1 -srate 8000
>
> ffmpeg -i ${FOO}.avi -target ntsc-dvd ${FOO}-0.0.mpeg
>
> This example is tuned to my specific circumstance, but should be adjustable to yours.
>
> -- How does being physically handicapped make me Differently-Abled?
> What different abilities do I have?
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