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[Cenwen <eolinwen@xxxxxxxxx>]

Hum, I am using currently the last version of MLT unstable i.e. 0.8.1 on precise 12.04 without any problem. And it is without guarantee that your audio sync will be resolved. I have more hopes in our library.
Here the screenshot of my dependencies if it can help you. http://pix.toile-libre.org/?img=1346270147.png

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https://bugs.launchpad.net/bugs/1016209

Title:
  Audio sync / rendering issues on Ubuntu 12.04

Status in “openshot” package in Ubuntu:
  New

Bug description:
  Hi,

  I recently upgraded to Ubuntu 12.04 from 11.10 and have noticed issues
  in exported videos, which manifest as audio sync or video rendering
  issues. For example, the audio might be 0.1s behind the video. The
  speed of the video will alter around an overlaid graphic (speeding up
  slightly), resulting in a similar audio sync issue.

  I didn't encounter these issues on 11.10 and set up a VM to test.
  Using Openshot to render the same .osp file at the same settings with
  the same source files results in a video that does not exhibit the
  issues described above.

  I am using openshot from the OpenShot Developers PPA in both cases (1.4.2) so I presume it's an issue with the graphics processing library.
  --- 
  ApportVersion: 2.0.1-0ubuntu11
  Architecture: amd64
  DistroRelease: Ubuntu 12.04
  Package: openshot 1.4.2-1 [origin: LP-PPA-openshot.developers]
  PackageArchitecture: all
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 3.2.0-26.41-generic 3.2.19
  Tags: precise third-party-packages
  Uname: Linux 3.2.0-26-generic x86_64
  UnreportableReason: This is not an official Ubuntu package. Please remove any third party package and try again.
  UpgradeStatus: Upgraded to precise on 2012-06-09 (46 days ago)
  UserGroups: adm admin audio cdrom dialout dip floppy lpadmin plugdev scanner video

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