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Thread: Skype laptop camera upside down

  1. #1
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    Default Skype laptop camera upside down

    LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so PULSE_LATENCY_MSEC=60 skype

    That used to work every time until I had to update to the latest Skype version, the laptop camera is upside down now no matter what I tried:

    LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so PULSE_LATENCY_MSEC=60 skypeforlinux
    LD_PRELOAD=/usr/lib/libv4l/v4l2compat.so PULSE_LATENCY_MSEC=60 skypeforlinux
    LD_PRELOAD=/usr/lib/libv4l/v4l1compat.so skypeforlinux
    LD_PRELOAD=/usr/lib/libv4l/v4l2convert.so skypeforlinux
    etc...

    Anyone know how to fix that?

    Thank you.
    Desktop: openSUSE Leap 15 | KDE 5 | Intel i-7500 | Asus ROG STRIX Z270H GAMING | Asus EX-GTX1050TI-O4G nVidia
    Laptop Asus UL30A: openSUSE Leap 15 | KDE 5 | Intel SU7300

  2. #2
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    Default Re: Skype laptop camera upside down

    I’m not a Skype user but from what I’ve read online since it was rewritten there have been regressions for some Linux users it would seem....

    Since, the Skype version 8 and above is basically a web app, the old trick with libv4l library will no longer work. I've lost many hours to just find out it's not possible anymore.
    https://askubuntu.com/questions/7960...p-webcam-video


    Although various suggestions are discussed in the thread, some will be ‘legacy’ workarounds that no longer work for this Microsoft owned application.
    Last edited by deano_ferrari; 09-Jan-2019 at 15:37.
    openSUSE Leap 15.0; KDE Plasma 5

  3. #3
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    Default Re: Skype laptop camera upside down

    It turns out it's not just Skype, it's every app and every web camera test page. Before Leap 15 the camera worked fine, i.e. it was showing correctly, not upside down. Except for skype. So I used that command to flip it. I'd understand about Skype no longer working with that workaround, but the camera is flipped everywhere now in Leap 15.

    Any way to flip it back for all apps except for Skype?
    Desktop: openSUSE Leap 15 | KDE 5 | Intel i-7500 | Asus ROG STRIX Z270H GAMING | Asus EX-GTX1050TI-O4G nVidia
    Laptop Asus UL30A: openSUSE Leap 15 | KDE 5 | Intel SU7300

  4. #4
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    Default AW: Skype laptop camera upside down

    Does guvcview or luvcview works?

  5. #5
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    Default Re: Skype laptop camera upside down

    No, I got this:

    > luvcview
    luvcview version 0.2.1
    Invalid MIT-MAGIC-COOKIE-1 keyInvalid MIT-MAGIC-COOKIE-1 keyInvalid MIT-MAGIC-COOKIE-1 keyVideo driver: x11
    A window manager is available
    video /dev/video0
    [xcb] Unknown request in queue while dequeuing
    [xcb] Most likely this is a multi-threaded client and XInitThreads has not been called
    [xcb] Aborting, sorry about that.
    luvcview: xcb_io.c:165: dequeue_pending_request: Assertion `!xcb_xlib_unknown_req_in_deq' failed.
    Aborted (core dumped)
    Desktop: openSUSE Leap 15 | KDE 5 | Intel i-7500 | Asus ROG STRIX Z270H GAMING | Asus EX-GTX1050TI-O4G nVidia
    Laptop Asus UL30A: openSUSE Leap 15 | KDE 5 | Intel SU7300

  6. #6
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    Default Re: Skype laptop camera upside down

    I restarted the laptop and tried again, now the luvcview window opened but there is no image/video, all inside is green
    Desktop: openSUSE Leap 15 | KDE 5 | Intel i-7500 | Asus ROG STRIX Z270H GAMING | Asus EX-GTX1050TI-O4G nVidia
    Laptop Asus UL30A: openSUSE Leap 15 | KDE 5 | Intel SU7300

  7. #7
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    Default AW: Skype laptop camera upside down

    Please show:
    Code:
    /usr/sbin/hwinfo --usb
    To see, what modell is in there.

  8. #8
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    Default Re: Skype laptop camera upside down

    A couple months back, I tried a face-to-face chat with Gertjan. It was not with Skype, I do not have it installed, and I do not remember exactly what we were using at the time.

    I had the same problem on an Asus Laptop, camera upside down & backwards. So, it seems not an isolated incident.

    Since I don't use this much at all, it was not worth looking into, especially since I saw no other reports and thought it was peculiar to something on my PC.

    It is not something I wish to waste time on fixing for myself, but I thought I should verify that it is not isolated.
    Last edited by Fraser_Bell; 11-Jan-2019 at 14:50.
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  9. #9
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    Default Re: Skype laptop camera upside down

    Quote Originally Posted by linuxoidoz View Post
    I restarted the laptop and tried again, now the luvcview window opened but there is no image/video, all inside is green
    Try using one of these...
    Code:
    LD_PRELOAD=/usr/lib64/libv4l/v4l2convert.so luvcview
    Code:
    LD_PRELOAD=/usr/lib64/libv4l/v4l1compat.so luvcview
    openSUSE Leap 15.0; KDE Plasma 5

  10. #10
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    Default Re: Skype laptop camera upside down

    Here's the webcam info:

    04: USB 00.0: 0000 Unclassified device
    [Created at usb.122]
    Unique ID: CiZ2.WG6iNRcAT0C
    Parent ID: uIhY.cO89g+iefn1
    SysFS ID: /devices/pci0000:00/0000:00:1a.7/usb3/3-3/3-3:1.0
    SysFS BusID: 3-3:1.0
    Hardware Class: unknown
    Model: "Suyin Asus Integrated Webcam [CN031B]"
    Hotplug: USB
    Vendor: usb 0x064e "Suyin Corp."
    Device: usb 0xa136 "Asus Integrated Webcam [CN031B]"
    Revision: "1.11"
    Serial ID: "CN031B-S233-MI01-VS-R01.01.01"
    Driver: "uvcvideo"
    Driver Modules: "uvcvideo"
    Device File: /dev/input/event13
    Device Files: /dev/input/event13, /dev/input/by-id/usb-SuYin_USB_2.0_UVC_0.3M_Webcam_CN031B-S233-MI01-VS-R01.01.01-event-if00, /dev/input/by-path/pci-0000:00:1a.7-usb-0:3:1.0-event
    Device Number: char 13:77
    Speed: 480 Mbps
    Module Alias: "usb:v064EpA136d0111dcEFdsc02dp01ic0Eisc01ip00in00"
    Driver Info #0:
    Driver Status: uvcvideo is active
    Driver Activation Cmd: "modprobe uvcvideo"
    Config Status: cfg=new, avail=yes, need=no, active=unknown
    Attached to: #6 (Hub)


    I've installed a guvcview-qt5 but when it opens, it destroys all windows in KDE, i.e. all borders and controls disappear, all open windows can't be closed or killed, the only way is to log out and log in. Although I can control the camera in it, I can rotate it any way. But no settings are saved.

    Neither LD_PRELOAD=/usr/lib64/libv4l/v4l1compat.so luvcview nor LD_PRELOAD=/usr/lib64/libv4l/v4l2convert.so luvcview worked - same green screen with awful controls resolution

    The upside down camera is not an isolated issue, a lot of Asus laptops had this problem many years ago and the workaroud worked perfectly all those years until Leap 15 and latest version of Skype.
    Desktop: openSUSE Leap 15 | KDE 5 | Intel i-7500 | Asus ROG STRIX Z270H GAMING | Asus EX-GTX1050TI-O4G nVidia
    Laptop Asus UL30A: openSUSE Leap 15 | KDE 5 | Intel SU7300

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