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Thread: Capturing output with luvcview

  1. #1
    Join Date
    Jun 2009
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    London, England
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    133
    Distro
    Kubuntu 9.10 Karmic Koala

    Capturing output with luvcview

    According to 'man luvcview', if I do this:
    Code:
    luvcview -o testvid.avi
    then luvcview should capture the video to the .avi file. However, when I try it, no output file is created. Grabbing a raw stream or raw frames works fine, but not the creation of AVI files. Am I missing something?
    Garry Knight
    garryknight@gmx.net
    Kubuntu 9.10 on Dell Optiplex 330

  2. #2
    Join Date
    May 2009
    Location
    Russia, Saratov
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    39
    Distro
    Ubuntu 10.10 Maverick Meerkat

    Re: Capturing output with luvcview

    I'm experiencing the same problem on Asus EeePC t91. Everything works fine except video capturing. No errors, no warnings, everything seems to be fine, but.. no video.
    [Asus EeePC 900AX]

  3. #3
    Join Date
    Jun 2011
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    2

    Re: Capturing output with luvcview

    Hi,

    Has anyone found a solution this problem ?

    I am facing the same problem. luvcview does not save avi file though its able to capture jpgs, ram frames.
    sudo luvcview -d /dev/video0 -f yuv -s 176x144 -i 3 -o ./vid.avi

    It shows like avi file recording started/stopped but there is no file generated.

    Thank you,
    naruka

  4. #4
    Join Date
    Sep 2009
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    2,330

    Re: Capturing output with luvcview

    look in your home folder for it
    or in the computer

  5. #5
    Join Date
    Jun 2011
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    2

    Re: Capturing output with luvcview

    I think I see the problem in luvcview code, avi file is not initialized for V4L2_PIX_FMT_YUYV, its is initialized only for MJPG fmt.

    ./v4l2uvc.c:650: vd->avifile = AVI_open_output_file(vd->avifilename);

    Now all I want to know is, does luvcview doesnt support recording of avi file from YUV frames ?
    Any suggestions, what I can do for that support ?

    Any help will be gr8!!

    Thanks,
    Naruka

  6. #6
    Join Date
    May 2011
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    2

    Re: Capturing output with luvcview

    Hi,
    How can I get frames in jpeg format. Luvcview only saves frames in .raw format.
    Or how can I view raw frames.

  7. #7
    Join Date
    Feb 2006
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    606

    Re: Capturing output with luvcview

    guvcview supports the same hardware and has a much friendlier interface. Unless you have a specific reason not to I would reccomend trying that in place of luvcview.

  8. #8
    Join Date
    Jun 2008
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    13

    Re: Capturing output with luvcview

    Quote Originally Posted by kayosiii View Post
    guvcview supports the same hardware and has a much friendlier interface. Unless you have a specific reason not to I would reccomend trying that in place of luvcview.
    i do agree with you, Luvcview has an horrible and unfriendly interface, when Guvcview is much better

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