.mkv problem extracted avi too short

[kazen64]

hi all,
I have a whole series of mkv files, that i want to put on dvd. I have extracted the avis and audio i want with mkvextract gui, and encoded a few episodes. But for sum reason one episode was way out of sync, I narrowed it down to the video being a couple of minutes shorter than the audio, the extracted avi lenght is 19:03 and the original mkv length is 24:21, the extracted audio matches this.

So the problem is in the extracted video stream, can anyone help here please? is there another mkv extration utility?
I tried with virtual dub mod but it gives me "only handle [S_TEXT/] subs for the moment" error msg and nothing opens. Is there a setting i have to enable?
Thanx for any light shone into the darkness I am stumbling through.

[kazen64]

can sumone help me please, i want to start authoring this series soon so i can get it off my hard drive

[celtic_druid]

Probably the mkv is VFR (Variable FrameRate). Matroska supports VFR, avi doesn't therefor CFR your avi is the wrong length.

[kazen64]

I appreciate the input celtic_druid, but could you point me in the direction i should go to fix my problem.
I want to extract video and audio so when i encode them to kdvd with tmpg they are in sync. So far 3 of the 12 episodes i have encoded are out of sync, because the extracted avi is several minutes short.

[celtic_druid]

Well first thing you need to do is check that they are VFR, then extract the VFR info so you know what frame ranges are supposed to be what framerate. Then I guess encode each section seperatly and apply different pulldowns to 29.97fps, join and author.

Never tried it myself though.

[kazen64]

thanks for the help, but that sounds a little too complicated. No worries I fixed the problem, its all good

[Abond]

You fixed it? Great. Would you mind to post the way?

[kazen64]

You fixed it? Great. Would you mind to post the way?

sure mate. Well i thought maybe the only thing stopping me from opening in virtualdub was sum subtitle error.
So i used mkvmerge gui, to open the mkv and only selected the video stream, i ended up with a new mkv file that i could open with virtualdub mod, then all i did was change video to direct stream copy and save as an avi, then u get a clean avi with no errors, hoping u have a good divx, xvid codec that is.