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[Bug 1480596] [NEW] Skype cannot find webcam on amd64


Public bug reported:

Skype does not detect a webcam, even though Cheese is working correctly.

After looking into this, I found that i386 gstreamer doesn't have a
v4l2src element installed. Would this be a dependency issue, a gstreamer
or a packaging bug?

    $ sudo apt-get install gstreamer-tools
    $ gst-launch v4l2src ! xvimagesink
    (... shows webcam image on screen ... press Ctrl-C ...)
    $ gst-inspect | grep v4l
    video4linux2:  v4l2src: Video (video4linux2) Source
    video4linux2:  v4l2sink: Video (video4linux2) Sink
    video4linux2:  v4l2radio: Radio (video4linux2) Tuner

    $ sudo apt-get install gstreamer-tools:i386
    $ gst-launch v4l2src ! xvimagesink
    ERROR: pipeline could not be constructed: no element "v4l2src".
    $ gst-inspect
    coreindexers:  memindex: A index that stores entries in memory
    coreindexers:  fileindex: A index that stores entries in file
    coreelements:  capsfilter: CapsFilter
    coreelements:  fakesrc: Fake Source
    coreelements:  fakesink: Fake Sink
    coreelements:  fdsrc: Filedescriptor Source
    coreelements:  fdsink: Filedescriptor Sink
    coreelements:  filesrc: File Source
    coreelements:  funnel: Funnel pipe fitting
    coreelements:  identity: Identity
    coreelements:  input-selector: Input selector
    coreelements:  output-selector: Output selector
    coreelements:  queue: Queue
    coreelements:  queue2: Queue 2
    coreelements:  filesink: File Sink
    coreelements:  tee: Tee pipe fitting
    coreelements:  typefind: TypeFind
    coreelements:  multiqueue: MultiQueue
    coreelements:  valve: Valve element
    staticelements:  bin: Generic bin
    staticelements:  pipeline: Pipeline object
    Total count: 7 plugins (4 blacklist entries not shown), 21 features
    $ dpkg -l | grep gstreamer | grep i386
    ii  gstreamer-tools                                      0.10.36-1.2ubuntu3                         i386         Tools for use with GStreamer
    ii  gstreamer0.10-tools                                  0.10.36-1.2ubuntu3                         i386         Tools for use with GStreamer
    ii  gstreamer1.0-plugins-base:i386                       1.4.5-1ubuntu1                             i386         GStreamer plugins from the "base" set
    ii  gstreamer1.0-x:i386                                  1.4.5-1ubuntu1                             i386         GStreamer plugins for X11 and Pango
    ii  libgstreamer-plugins-base0.10-0:i386                 0.10.36-2                                  i386         GStreamer libraries from the "base" set
    ii  libgstreamer-plugins-base1.0-0:i386                  1.4.5-1ubuntu1                             i386         GStreamer libraries from the "base" set
    ii  libgstreamer-plugins-good1.0-0:i386                  1.4.5-1ubuntu2                             i386         GStreamer development files for libraries from the "good" set
    ii  libgstreamer0.10-0:i386                              0.10.36-1.2ubuntu3                         i386         Core GStreamer libraries and elements
    ii  libgstreamer1.0-0:i386                               1.4.5-1                                    i386         Core GStreamer libraries and elements
    $ dpkg -l | grep skype
    ii  skype                                                                       i386         Wherever you are, wherever they are

** Affects: skype (Ubuntu)
     Importance: Undecided
         Status: New

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  Skype cannot find webcam on amd64

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