[MEncoder-users] Problems when creating video dvd

Sebastian sebastian_ml at gmx.net
Mon Jan 16 17:29:37 CET 2006

Hi Giacomo,
thanks for your input.
On Mo, Jan 16, 2006 at 11:10:06 -0400, Giacomo Comes wrote:
> On Mon, Jan 16, 2006 at 03:17:10PM +0100, Sebastian wrote:
> harddup is missing. It could cause desync.
> If the resulting mpeg plays fine with mplayer, go on. Otherwise 
> try to take out some lavc options (trell:cbp:dia=-10:predia=-10:vqmin=1:lmin=1)
> and check the resulting mpeg.
Because I don't understand these options anyway I removed them.
> This is known. The current mpeg muxer has problem with NTSC stream.
> You should remux the audio and video with mplex. In this way dvdauthor
> will work fine.
I tried to remux the files with both mplex and tcmplex to no avail. Both
ended with lots of noise.
> Are you sure
> that there was enough free disk space when you run dvdauthor?
Yes Sir! Plenty of space at the moment.
> The fact that you cannot mount the disk is unusual. 
> It can only means 2 things. 
> 1) The iso image is corrupted
> 2) the burned disk is corrupted
> You can do:
> mkisofs -dvd-video -o image.iso dvd
> and mount the iso image. If the image mounts then burn it and mount 
> the dvd. If it fails the problem is with the burn process/media/etc.
> If the image does not mount, the problem is with mkisofs/dvdauthor.
> Giacomo

I'm encoding the movie again. Let's see what the result looks like. Now
I used:

mencoder -sws 9 -vf scale=720:480,harddup -ofps 30000/1001 Loose\
Change\ 2nd\ Ed\ Divx.avi -nosound -ovc lavc -lavcopts
-o /dev/null -of mpeg -mpegopts format=dvd && mencoder -sws 9 -vf
scale=720:480,harddup -ofps 30000/1001 Loose\ Change\ 2nd\ Ed\ Divx.avi
-nosound -ovc lavc -lavcopts
-o test_vid.mpg -of mpeg -mpegopts format=dvd

I'll reply in a few (~3h). Something bothers me, though. I can't tell if
it was "trell:cbp:dia=-10:predia=-10:vqmin=1:lmin=1" or "harddup" in
case the result works fine this time, can I? Well, I guess I'll invest
some more in this matter if the result works and if you want me to.


"When the going gets weird, the weird turn pro." (HST)
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