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Thread: Logitech Webcam and black screen on Skype

  1. #1
    Join Date
    Apr 2012
    Beans
    2

    Logitech Webcam and black screen on Skype

    I am using Ubuntu 10.04.4 32 bit Lucid Lynx Logitech Quickcam E35000 .The problem is about visualizing video using my webcam on skype.
    Using lsusb e lsmod | grep videodev I can see that the webcam is recognized and the driver uvcvideo are installed.
    When I use skype,uvc parameters and id are correct, la webcam is on, but the screen is black.
    Just to give you an idea about the problem:

    lsusb:
    Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 002 Device 003: ID 03f0:002a Hewlett-Packard
    Bus 002 Device 002: ID 046d:09a4 Logitech, Inc. QuickCam E 3500
    Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

    lsmod | grep videodev:
    videodev 34457 1 uvcvideo
    v4l1_compat 13251 2 uvcvideo,videodev
    On Internet I found this solution and it seems the only one:
    preload this library LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so skype

    The point is that it doesn't works.
    locate v4l1compat.so:
    /usr/lib/libv4l/v4l1compat.so

    It seems that it cannot preload the library launching skype.
    Any suggestion is welcome?
    Thanks!
    Enrico

  2. #2
    Join Date
    Jan 2008
    Beans
    7

    Smile Re: Logitech Webcam and black screen on Skype

    Hi i found this usefull workaround while trying to get my webcam working, it worked for me, hope it works for you.

    First you will need to make sure you have
    libv4l-0 installed.

    If you have installed Ubuntu restricted extras
    then you should already have it if not open Software
    Centre and install Ubuntu restricted extras from there.

    Once this is done open a Terminal and copy
    and paste the following command

    sudo gedit /usr/share/applications/skype.desktop

    After you have provided your password a
    text editor will open. Line 4 should look like this

    Exec=skype

    Replace with this text

    Exec=bash -c 'LD_PRELOAD=
    /usr/lib/i386-linux-gnu/libv4l/v4l1compat.so skype'

    Save and exit the text editor and close the terminal.
    Now you can open Skype and test your
    webcam via 'options' then 'video devices'

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