Porting visp release to trusty/indigo

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I'm porting visp to indigo. According to http://www.ros.org/debbuild/indigo.ht... it fails for trusty with the followin error (see http://jenkins.ros.org/view/IbinT32/j... ):

package ros-indigo-visp does not have dependency [ffmpeg]
Dependencies not satisfied for packages: ['ffmpeg']
Process leaked file descriptors. See http://wiki.jenkins-ci.org/display/JENKINS/Spawning+processes+from+build for more information
Build step 'Execute shell' marked build as failure
Build step 'Groovy Postbuild' marked build as failure
Build step 'Groovy Postbuild' marked build as failure

In https://github.com/ros/rosdistro/blob... , ffmpeg dependency is now specific for trusty. We have:

ffmpeg:
  ubuntu:
     trusty: [libavcodec-dev, libavformat-dev, libavutil-dev, libswscale-dev]

I can't understand wy I get this error "Dependencies not satisfied for packages: ['ffmpeg']". It should not happen as ffmpeg is not a dep for trusty. I'm wrong. Is there a problem with the build farm.

Moreover I'm also surprised with the last lines of the log:

Build step 'Groovy Postbuild' marked build as failure

The build is for indigo. Wy does it mention groovy ?