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Rate / Length Problems After Conversion, Convert video into Chamsys /.CMV files
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antoine.bf
Posted: Jul 17 2012, 11:07 AM


Newbie


Group: Members
Posts: 1
Member No.: 35174
Joined: 17-July 12



Hi,

I'm a lighting designer and I use Virtual Dub through a software called MagicQmediacenter downloaded here :

http://chamsys.co.uk/download (Magic Q Beta 1.5.6.7 for Windows)

It convert my video animations into a .cmv file, and my lighting soft "read" it in order to do mapping with LED lighting fixtures.

But I've got 2 major problems and Chamsys told me it was because of Virtual Dub conversion…

1) The lengh of the movie is not respected, it stop encoding after 2 minutes of my animation and I don't understand why…?

2) The first part successfully encoded is not at the good pace : it's not the same rate and I'm in trouble because it has to be in phase with the tempo of songs during a live show…

Please, could you help me to resolve those 2 problems...

Thanks a lot
 
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phaeron
Posted: Jul 21 2012, 08:04 PM


Virtualdub Developer


Group: Administrator
Posts: 7773
Member No.: 61
Joined: 30-July 02



Sorry, but I cannot help, for the following reasons:

  • I don't appreciate other companies foisting their support obligations onto me. I had no idea they were using my program like this, nor do I know anything about its integration with VirtualDub.
  • ChamSys is not following the license requirements for VirtualDub or the MPEG-2 plugin. I see no reference to source code availability.
  • They are shipping an old version of VirtualDub (1.9.0).
  • I have no idea what's going on in their .cmv conversion as this is apparently happening outside of VirtualDub.

My guess is that they are re-parsing the output AVI file after VirtualDub runs and they don't have support for large AVI files.
 
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