Re: VOB -> QT/S3 (fwd)

• Subject: Re: VOB -> QT/S3 (fwd)
• From: Milton Aupperle <email@hidden>
• Date: Thu, 20 Nov 2003 15:33:14 -0700

You can use "OSEx

http://www.macupdate.com/info.php/id/9830

HTH..

Milton J. Aupperle
President
ASC - Aupperle Services and Contracting
Mac Software (Drivers, Components and Application) Specialist
#1005 - 815 14th Avenue. S.W.
Calgary Alberta Canada T2R0N5
1-(403)-229-9456
email@hidden
www.outcastsoft.com

On Thursday, November 20, 2003, at 02:31 PM, email@hidden wrote:

On Wednesday, November 19, 2003, at 02:56 PM, email@hidden wrote:

I have a large collection of DVD-Rs (academic lectures) that
were given to me to encode for web streaming.  The discs are
not encrypted in any way (I think they were sourced from
iMovie; the professor's on a Macintosh).

What's the simplest, easiest, and preferably cheapest way to
get these encoded to Quicktime for streaming?  I have the
academic version of Squeeze, and a DVD-ROM drive on my
iBook (G3/600, OS X.3).  There's a large amount of video to
process (18 DVDs worth so far; I think we're doing 70 hours
total when all is said and done), so I'd like to find a
solution I can queue up in a batch, click "Go," and walk
away from for a few days.  (Have a couple of 120GB FireWire
drives on loan for this project.)

Alternately, would love something that can read the VOBs
directly from the DVD-Rs (FFmpegX won't do this, nor will it
- AFAICT - encode to QT) that can write out the Quicktime to
disk.

This is all talking head stuff, so the quality doesn't have
to be great, though sync should be spot-on.

I don't know any great tools on OSX to handle the entire process, from DVD to Quicktime.

There are several tools, however, which can get you there when combined.

Assuming your DVDs aren't encrypted (if they are I won't cover those steps):

1) Identify the VOB on the DVD, or extract it to your harddisk;
2) Fire up DiVA; select the VOB;
3) Setup your processing and hit Start;
4) Fire up BBdemux;
5) Drop the same VOB into BBDemux (it'll work even while DiVA is reading the file); it will start demuxing, usually starting with the video track - hit skip until it's demuxing your audio track (no need to demux video, since DiVA is already doing that)
6) When the audio is done, convert it to something Quicktime can understand - if it's AC3, use mAC3dec to convert to a WAV;
7) Encode the WAV to AAC or MP3;
8) When DiVA is done with your video, copy the AAC or MP3 and do an "Add" into the video file from DiVA, and then Save As self-contained.

This is all just off the top of my head, and really depends on the specifics. You may need to crop your video (in DiVA), you may have MPEG audio instead of AC3, etc.

Also, DiVA is not batchable; mAC3dec is, though that won't help much. You'll likely have to setup each DVD, though I could see extracting all the VOBs first, then joining them and processing all the video as one long piece, then splitting when it's done... that would be helpful only with a large number of DVDs.

Best,

Roger
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