[MEncoder-users] Mencoder finishes early on DVD to Divx encoding

[Pete Davis]

Thanks that explains a lot in great detail, maybe a little more detail than
I really understand...

My CDs are progressive, so I tried the -vf pullup,softskip options with the
-ofps 24000/1001, but the video came out at 54 minutes instead of 44 minutes
which obviously didn't match up with the 44 minutes of sound

To verify, I played it in mplayer and got the message:
demux_mpg: 24000/1001 fps progressive NTSC content detected, switching
framerate.

Did I miss something in the parameters?

My actual full parameters for the first pass are:

mencoder -dvd-device ./ dvd://1 -oac copy -o /dev/null  -vf
pullup,softskip,scale=512:288 -ovc lavc -lavcopts
vcodec=mpeg4:vbitrate=1000:mbd=2:vpass=1:vqmin=2:vqmax=31 -ofps 24000/1001 -


Obviously my second pass is the same with vpass=2 and -o to the output file

I tried XVid. Unfortunately the video is jumpy in my DSM 320 for xvid. The
DSM 320 has a lot of limitations, but within those limitations, it's a very
cool unit. It's just required me to re-encode a bunch of videos which has
been a pain.

Pete

-----Original Message-----
From: mencoder-users-bounces at mplayerhq.hu
[mailto:mencoder-users-bounces at mplayerhq.hu] On Behalf Of RC
Sent: Monday, June 20, 2005 12:28 AM
To: MEncoder usage discussions
Subject: Re: [MEncoder-users] Mencoder finishes early on DVD to Divx
encoding

On Sun, 19 Jun 2005 21:43:03 -0500
"Pete Davis" <pete at petedavis.net> wrote:

> When I'm am encoding a DVD (this doesn't
> happen when I re-encode an existing AVI file), Every 4 frames, I get
> a "1 duplicate frame(s)" message. What is this about? Is there
> anything I can do to prevent it?

The issue is that most DVDs are telecined.  This is thoroughly
explained in the mplayer docs here:
http://mplayerhq.hu/DOCS/HTML/en/menc-feat-telecine.html

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