[Matroska-users] Demuxing from Matroska, Remuxing to Other Format
Ivan Kowalenko
ivan.kowalenko at gmail.com
Sat Jun 10 07:01:19 CEST 2006
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Hello.
I have several MKV files that I wish to transcode. However, I have an
odd situation where the transcoder doesn't seem to like the MKV files
as they are in source. If I remux them, either to another Matroska
file, AVI file, etc., the transcoder has no problems. This probably
has something to do with the way I archived the files or something
like that.
My goal is to remux the files so that I can transcode them. Part of
the problem is, though, whenever I remux the file (even using
MKVMerge), I get busted keyframes and loss of audio sync. If I use
MEncoder to remux the video to an AVI file (mencoder -ovc copy -oac
copy), I get the same results. If I demux the video using MKVExtract,
and remux the file with MEncoder, I don't get broken keyframes, but I
do get out of sync audio.
Padding the audio doesn't seem to be the solution here, since the
audio gets *progressively* out of sync, that is the further into the
video you go, the more out of sync it gets.
I'm running a Mac OS X (10.4.6) system, and have no fear when it
comes to monkeying around with the UNIX sub-system. Any recommendations?
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