Thanks to report this bug.
To my mind, this bug concerns MLT Team and not Openshot himself.
And I'll said more that seems to be a problem in MLT with libavcodec53, part of ffmpeg which ignored by MLT, probably thanks to your version of ffmpeg (0.8.0).
So, I'm going to tag it like won't fix.
Hi,
Thanks to report this bug.
To my mind, this bug concerns MLT Team and not Openshot himself.
And I'll said more that seems to be a problem in MLT with libavcodec53, part of ffmpeg which ignored by MLT, probably thanks to your version of ffmpeg (0.8.0).
So, I'm going to tag it like won't fix.