[mythtv-users] transcoding perfect dvd rips to xvid

nick at rout.co.nz nick at rout.co.nz
Mon Feb 19 21:41:45 UTC 2007

dvd::rip (not part of mythtv) is great for doing what you want to do.


I expect most distros will package it, gentoo and freebsd certainly do.

> Thanks, David.  I'm definitely open to non-ffmpeg solutions, I guess I
> shouldn't have been so restrictive in my posting.  Your mencoder
> solution look like an excellent solution to my problem.  I do have a
> couple of quick follow-up questions:
> I take it that I just replace dvd://2 with the input file name?
> Since it can handle anything mplayer can play, then is it safe to
> assume that it will automatically handle the number of input audio
> channels properly?
> Does encoding the audio to MP3 preserve the number of input audio
> channels?
> Thanks again,
> Mike
> On 2/19/07, David Brodbeck <gull at gull.us> wrote:
>> Mike Schiller wrote:
>> > I've got a bunch of .vob files that I've created by importing DVDs
>> > using the 'perfect' setting (some are stereo, some are 6.1) .  At this
>> > point, they are taking up too much space, and I'd like to transcode
>> > them to good quality xvid with ac3 audio.  Unfortunately, I'm a bit
>> > confused by the myriad of options available on ffmpeg's command line..
>> > Could someone provide me with the command line to do this at a good
>> > quality?
>> >
>> I realize this isn't an ffmpeg solution, but here's a really
>> straightforward way to do transcoding to two-pass MPEG4 with mencoder:
>> http://www.mplayerhq.hu/DOCS/HTML/en/menc-feat-mpeg4.html
>> The nice thing about this is it works for any input format mplayer can
>> play.  I've used this in the past for transcoding MPEG2 recordings to
>> MPEG4 for archiving.  (Until recently my only backend was a 1 GHz
>> miniITX system, and I preferred to do transcoding on my faster desktop
>> machine.)  I wrapped up the two command lines in a script to make it
>> easier.
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