The branch is not working for me (see comment there).

A good experiment is to run cheese and open the Preferences and look at
video resolution. See if you can record a video in cheese at 640x480 or
below. On Arthur's system his camera only seems to be able to support
recording at 1280x720.

I think we need to force recording at a reasonable resoultion 640x480 or
below and be able to lower the fps if needed. Not sure if all webcams
support video recording at specified resolutions but ideally this should
be dynamic in the code to query the camera and determine an appropriate
resolution to record at and an approiate videoBitRate. These properties
should then be set explicitly in the code. Currently we use the default
settings for resolution and videoBitRate and I think this might be why
some systems have problems and others don't.

We determined the error message ""Could not negotiate format" seems to
occur when asking to record at a resolution that is not supported by the
camera.

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https://bugs.launchpad.net/bugs/1299073

Title:
  [desktop] Video recording is not working

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