[MPlayer-users] Re: Converting mkv to avi?

Anssi Saari as at sci.fi
Sat Feb 26 11:19:40 CET 2005

On Fri, Feb 25, 2005 at 03:46:48AM -0500, D Richard Felker III wrote:
> On Fri, Feb 25, 2005 at 10:09:06AM +0200, Anssi Saari wrote:
> > 
> > Is it supposed to be possible to convert mkv to avi? I tried with 
> > 
> > mencoder -v -oac copy -ovc copy test.mkv -of avi -o test.avi
> > 
> > but it seems to hang, CPU is at 100%, but nothing else seems to
> > happen. Output follows.  The file plays fine with mplayer.
> no idea why it hangs, but storing vorbis audio in avi is impossible.
> you'll have to reencode the audio if you want to have any hope of this
> working.

Yes of course. Thanks for the tip. Extracting with mkvextract and then
mencoder -ovc copy -oac lavc produces a working avi. There's a problem
with the video, though. mplayer plays it fine, but my standalone DVD
player doesn't. I've run into this with some other xvid videos as well.

I know "packed bitstream" or "vop packed" as avidemux calls it can cause
problems, but removing that doesn't seem to help in these cases. Could it
be quarter pixels, perhaps? Can they be removed without reencoding? Or 
what would be the least damaging lavcopts for reencoding the video? 

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