MEncoder

„MEncoder is a free command line video decoding, encoding and filtering tool released under the GNU General Public License. It is a close sibling to MPlayer and can convert all the formats that MPlayer understands into a variety of compressed and uncompressed formats using different codecs.“

MEncoder. (2008, February 23). In Wikipedia, The Free Encyclopedia. Retrieved 18:57, April 5, 2008, from
http://en.wikipedia.org/w/index.php?title=MEncoder&oldid=193447614


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Sunday, May 18, 2008

[MEncoder-users] extracting mpeg2 stream from dvd

I want to dump each title on a DVD to a single mpeg2 stream... If I use
the simple "mplayer -dumpstream" option, I end up with what seems to be
multiple mpeg2 streams concatenated (each title of the dvd). This plays
hell with my media player when it starts a new stream (yes, that means the
player is probably broken -- but mplayer knows there is something weird
about it as well).

Trying to use "-oac copy -ovc copy -of mpeg2 -mpegopts format=dvd" results
in a file whose playback is "jerky", most likely because of the hundreds
of skipped frames... However, throwing in "-noskip" dies with the dreaded
"too many audio packets in the buffer" error. Using "-mc 0" and harddup
(in many combinations) kills the audio sync. I don't think it will work
without -noskip.

The source is full of mixed progressive and telecined (or possibly
interlaced) content. Setting -ofps, -fps, nothing seems to work correctly.
All I need to do is make a single working mpeg2 stream from a dvd, seems
like it should be simple... I'm hoping there is a command-line solution,
as this needs to be done to about 50 discs with 4 titles each.

Anyone have any suggestions?
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