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Thread: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

  1. #1
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    May 2010
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    Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    Hi,
    By using the preload command D_PRELOAD=/usr/lib/libv4l/v4l2convert.so skype I got my Labtec Webcam 6 to work in cheese and in skpe (although with a number of errors coming up in the terminal - see another post of mine) in ubuntu 10.04. I now updated to ubuntu 10.10 and now I do not get any errors but not any picture either. It just remains black regardless of whether I do the preload or not.
    Any ideas are appreciated!

  2. #2
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    Re: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    open a terminal type gstreamer-properties click enter
    click video try v4l and v4l2
    use the bottom test button for each 1

    this comes from the cheese help FAQ'S


     The video is sluggish/has a slow response. What can I do?


    You may have set "ximagesink" (X Window System (No Xv)) as video-output.
    This means that your CPU is doing all the work. Change it to "xvimagesink"
    (X Window System (X11/XShm/Xv)) in order to let your graphics card do the work.



    To change this setting, run the gstreamer-properties
    command, click the Video tab
    and change the appropriate setting.

  3. #3
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    Re: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    Thanks a lot!

    Regardless of the plugin settings I get, in With v4i2, a black window (as I was having before), and in v4i1 a garbled (much smaller) image and the error message:

    Error running pipeline 'Video for Linux (v4l)': Die Einstellungen konnten nicht aus der Ressource gelesen oder in die Ressource geschrieben werden. [v4l_calls.c(418): gst_v4l_set_chan_norm (): /GstPipelineipeline2/GstV4lSrc:v4lsrc1:Error setting the channel/norm settings: Das Argument ist ungültig]
    gstreamer-properties-Message: Error running pipeline 'Video for Linux (v4l)': Die Einstellungen konnten nicht aus der Ressource gelesen oder in die Ressource geschrieben werden. [v4l_calls.c(418): gst_v4l_set_chan_norm (): /GstPipelineipeline4/GstV4lSrc:v4lsrc2:.......

    Which translates into: The settings could neither be read nor wrote from/into the resource
    and:
    The argument is not valid

    I can enter two devices (Radeo Textured Video or ATI Xwindow System - X11/Xshm/Xv) with the first one I get a crash with the second one the test gives me the windows described above,

    What does this mean?

  4. #4
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    Re: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    gstreamer needs to have the
    good, bad, ugly, and 10 installed
    also find and install xawtv
    try the cam in xawtv
    it loads a cam grabber with it

  5. #5
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    Re: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    Installed xawtv, checked with
    gstreamer_properties

    ####
    nora@nora-laptop:~$ gstreamer-properties
    gstreamer-properties-Message: Skipping unavailable plugin 'artsdsink'
    gstreamer-properties-Message: Skipping unavailable plugin 'esdsink'
    gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosink'
    gstreamer-properties-Message: Skipping unavailable plugin 'glimagesink'
    gstreamer-properties-Message: Skipping unavailable plugin 'sdlvideosink'
    gstreamer-properties-Message: Skipping unavailable plugin 'v4lmjpegsrc'
    gstreamer-properties-Message: Skipping unavailable plugin 'qcamsrc'
    gstreamer-properties-Message: Skipping unavailable plugin 'esdmon'
    gstreamer-properties-Message: Skipping unavailable plugin 'sunaudiosrc'
    gstreamer-properties-Message: Error running pipeline 'Video for Linux (v4l)': Die Einstellungen konnten nicht aus der Ressource gelesen oder in die Ressource geschrieben werden. [v4l_calls.c(418): gst_v4l_set_chan_norm (): /GstPipelineipeline1/GstV4lSrc:v4lsrc1:
    Error setting the channel/norm settings: Das Argument ist ungültig]
    gstreamer-properties-Message: Error running pipeline 'Video for Linux (v4l)': Die Einstellungen konnten nicht aus der Ressource gelesen oder in die Ressource geschrieben werden. [v4l_calls.c(418): gst_v4l_set_chan_norm (): /GstPipelineipeline7/GstV4lSrc:v4lsrc2:
    Error setting the channel/norm settings: Das Argument ist ungültig]
    gstreamer-properties-Message: Error running pipeline 'Custom': Die Einstellungen konnten nicht aus der Ressource gelesen oder in die Ressource geschrieben werden. [v4l_calls.c(418): gst_v4l_set_chan_norm (): /GstPipelineipeline8/GstV4lSrc:v4lsrc3:
    Error setting the channel/norm settings: Das Argument ist ungültig]

    Only with the settings: Xwindow System (no Xv) I get the colorful test image with all other settings it is black
    Only Video for linux 2 (v4l2) recognizes the Web cam but gives a black screen


    then tried xawtv:

    This is xawtv-3.95.dfsg.1, running on Linux/i686 (2.6.35-27-generic)
    xinerama 0: 1024x768+0+0
    xinerama 1: 1024x768+0+0
    WARNING: No DGA direct video mode for this display.
    /dev/video0 [v4l2]: no overlay support
    v4l-conf had some trouble, trying to continue anyway
    Warning: Cannot convert string "-*-ledfixed-medium-r-*--39-*-*-*-c-*-*-*" to type FontStruct
    ioctl: VIDIOC_G_STD(std=0x1 [PAL_B]): Das Argument ist ungültig
    ioctl: VIDIOC_S_STD(std=0x0 []): Das Argument ist ungültig

    I get a black window with a red dot on the left side )

    Any suggestions? The point is that I already got further with 10.04 (at least a picture, although a lot of error messages). So what is different in 10.10?

  6. #6
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    Re: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    Sorry, despite all I wrote before, Cheese is working! Skype still not! In the skype options, although it seems to recognize that there is a camera, it does not show an image. But this might be related to the fact that the PC is quite old and since the upgrade to 10.10 appears to be very slow....
    in any case, thanks for the hints!

  7. #7
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    Re: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    glad you got it working some what
    you now have something to work with

    for the slow computer
    open a terminal type in htop click enter
    it tells you how to install it
    after installed type htop click enter
    see if you can see any thing using to much memory or the cpu
    it tells you how to stop things and turn it off/htop
    you can find htop in the system tools after its loaded
    if you need to use it again

  8. #8
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    Re: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    Well, I believe that I had some troubles with skype. I re-installed it and now I have about 5% cpu load.

    However, when testing the video (in skype> options > video) it just shows the black window and apparently video does not work. In cheese it does. So, this is now a problem of skype and not of the video driver anymore. I might post this in a skype forum. Or do you have any suggestions?

  9. #9
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    Re: Labtec Webcam 6 on 10.04 works (somewhat) but not on 10.10

    no i do not use skype
    i would look in there FAQ'S its had to have been ask before

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