Video processing halts on "setting up thumbnailing pipeline"

[Dmitrii V. Zolotov]

With clean installation (master branch @24.09.2012) file uploading halts on "setting up thumbnailing pipeline" (after transcoding) for any video file type.

Last messages from console log:
2012-09-25 21:11:03,182 DEBUG [mediagoblin.media_types.video.processing] Saving medium...
2012-09-25 21:11:03,185 DEBUG [mediagoblin.media_types.video.processing] Saved medium
/opt/mediagoblin/local/lib/python2.7/site-packages/SQLAlchemy-0.7.8-py2.7-linux-x86_64.egg/sqlalchemy/engine/default.py:463: SAWarning: Unicode type received non-unicode bind param value.

param.append(processors[key](compiled_params[key]))

2012-09-25 21:11:03,295 INFO [mediagoblin.media_types.video.transcoders] Video length: 37.431
2012-09-25 21:11:03,295 INFO [mediagoblin.media_types.video.transcoders] Setting up thumbnailing pipeline

[pythonsnake]

Hey, could you attach the video in question, please?

[Christopher Allan Webber]

There hasn't been an update with an example video so I'm closing this because we have no proof it's a problem.