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Thread: Problem Skype (webcam) 20.04

  1. #1
    Join Date
    Oct 2018
    Beans
    24

    Problem Skype (webcam) 20.04

    Hi everybody,

    I updated 18.04 to 20.04 and Skype webcam stopped working.
    The same problem with cheese and guvcview. There is a black screen for a second than it changes to white.

    Thank you

    Code:
    $ lsusb
    Bus 001 Device 008: ID 046d:0825 Logitech, Inc. Webcam C270
    ----------------
    $ v4l2-ctl -d /dev/video0 --all
    Driver Info:
        Driver name      : uvcvideo
        Card type        : UVC Camera (046d:0825)
        Bus info         : usb-0000:00:1a.0-1.3
        Driver version   : 5.4.65
        Capabilities     : 0x84a00001
            Video Capture
            Metadata Capture
            Streaming
            Extended Pix Format
            Device Capabilities
        Device Caps      : 0x04200001
            Video Capture
            Streaming
            Extended Pix Format
    Media Driver Info:
        Driver name      : uvcvideo
        Model            : UVC Camera (046d:0825)
        Serial           : 0124EF00
        Bus info         : usb-0000:00:1a.0-1.3
        Media version    : 5.4.65
        Hardware revision: 0x00000012 (18)
        Driver version   : 5.4.65
    Interface Info:
        ID               : 0x03000002
        Type             : V4L Video
    Entity Info:
        ID               : 0x00000001 (1)
        Name             : UVC Camera (046d:0825)
        Function         : V4L2 I/O
        Flags         : default
        Pad 0x01000007   : 0: Sink
          Link 0x02000019: from remote pad 0x100000a of entity 'Extension 4': Data, Enabled, Immutable
    Priority: 2
    Video input : 0 (Camera 1: ok)
    Format Video Capture:
        Width/Height      : 640/480
        Pixel Format      : 'MJPG' (Motion-JPEG)
        Field             : None
        Bytes per Line    : 0
        Size Image        : 302080
        Colorspace        : sRGB
        Transfer Function : Default (maps to sRGB)
        YCbCr/HSV Encoding: Default (maps to ITU-R 601)
        Quantization      : Default (maps to Full Range)
        Flags             : 
    Crop Capability Video Capture:
        Bounds      : Left 0, Top 0, Width 640, Height 480
        Default     : Left 0, Top 0, Width 640, Height 480
        Pixel Aspect: 1/1
    Selection Video Capture: crop_default, Left 0, Top 0, Width 640, Height 480, Flags: 
    Selection Video Capture: crop_bounds, Left 0, Top 0, Width 640, Height 480, Flags: 
    Streaming Parameters Video Capture:
        Capabilities     : timeperframe
        Frames per second: 25.000 (25/1)
        Read buffers     : 0# v4l2-ctl -d /dev/video0 --all
    Driver Info:
        Driver name      : uvcvideo
        Card type        : UVC Camera (046d:0825)
        Bus info         : usb-0000:00:1a.0-1.3
        Driver version   : 5.4.65
        Capabilities     : 0x84a00001
            Video Capture
            Metadata Capture
            Streaming
            Extended Pix Format
            Device Capabilities
        Device Caps      : 0x04200001
            Video Capture
            Streaming
            Extended Pix Format
    Media Driver Info:
        Driver name      : uvcvideo
        Model            : UVC Camera (046d:0825)
        Serial           : 0124EF00
        Bus info         : usb-0000:00:1a.0-1.3
        Media version    : 5.4.65
        Hardware revision: 0x00000012 (18)
        Driver version   : 5.4.65
    Interface Info:
        ID               : 0x03000002
        Type             : V4L Video
    Entity Info:
        ID               : 0x00000001 (1)
        Name             : UVC Camera (046d:0825)
        Function         : V4L2 I/O
        Flags         : default
        Pad 0x01000007   : 0: Sink
          Link 0x02000019: from remote pad 0x100000a of entity 'Extension 4': Data, Enabled, Immutable
    Priority: 2
    Video input : 0 (Camera 1: ok)
    Format Video Capture:
        Width/Height      : 640/480
        Pixel Format      : 'MJPG' (Motion-JPEG)
        Field             : None
        Bytes per Line    : 0
        Size Image        : 302080
        Colorspace        : sRGB
        Transfer Function : Default (maps to sRGB)
        YCbCr/HSV Encoding: Default (maps to ITU-R 601)
        Quantization      : Default (maps to Full Range)
        Flags             : 
    Crop Capability Video Capture:
        Bounds      : Left 0, Top 0, Width 640, Height 480
        Default     : Left 0, Top 0, Width 640, Height 480
        Pixel Aspect: 1/1
    Selection Video Capture: crop_default, Left 0, Top 0, Width 640, Height 480, Flags: 
    Selection Video Capture: crop_bounds, Left 0, Top 0, Width 640, Height 480, Flags: 
    Streaming Parameters Video Capture:
        Capabilities     : timeperframe
        Frames per second: 25.000 (25/1)
        Read buffers     : 0
                         brightness 0x00980900 (int)    : min=0 max=255 step=1 default=128 value=128
                           contrast 0x00980901 (int)    : min=0 max=255 step=1 default=32 value=32
                         saturation 0x00980902 (int)    : min=0 max=255 step=1 default=32 value=32
     white_balance_temperature_auto 0x0098090c (bool)   : default=1 value=1
                               gain 0x00980913 (int)    : min=0 max=255 step=1 default=64 value=192
               power_line_frequency 0x00980918 (menu)   : min=0 max=2 default=2 value=2
                    0: Disabled
                    1: 50 Hz
                    2: 60 Hz
          white_balance_temperature 0x0098091a (int)    : min=0 max=10000 step=10 default=4000 value=1070 flags=inactive
                          sharpness 0x0098091b (int)    : min=0 max=255 step=1 default=24 value=24
             backlight_compensation 0x0098091c (int)    : min=0 max=1 step=1 default=0 value=0
                      exposure_auto 0x009a0901 (menu)   : min=0 max=3 default=3 value=3
                    1: Manual Mode
                    3: Aperture Priority Mode
                  exposure_absolute 0x009a0902 (int)    : min=1 max=10000 step=1 default=166 value=5 flags=inactive
             exposure_auto_priority 0x009a0903 (bool)   : default=0 value=1
                          led1_mode 0x0a046d05 (menu)   : min=0 max=3 default=3 value=3
                    0: Off
                    1: On
                    2: Blink
                    3: Auto
                     led1_frequency 0x0a046d06 (int)    : min=0 max=131 step=1 default=0 value=0
    
                         brightness 0x00980900 (int)    : min=0 max=255 step=1 default=128 value=128
                           contrast 0x00980901 (int)    : min=0 max=255 step=1 default=32 value=32
                         saturation 0x00980902 (int)    : min=0 max=255 step=1 default=32 value=32
     white_balance_temperature_auto 0x0098090c (bool)   : default=1 value=1
                               gain 0x00980913 (int)    : min=0 max=255 step=1 default=64 value=192
               power_line_frequency 0x00980918 (menu)   : min=0 max=2 default=2 value=2
                    0: Disabled
                    1: 50 Hz
                    2: 60 Hz
          white_balance_temperature 0x0098091a (int)    : min=0 max=10000 step=10 default=4000 value=1070 flags=inactive
                          sharpness 0x0098091b (int)    : min=0 max=255 step=1 default=24 value=24
             backlight_compensation 0x0098091c (int)    : min=0 max=1 step=1 default=0 value=0
                      exposure_auto 0x009a0901 (menu)   : min=0 max=3 default=3 value=3
                    1: Manual Mode
                    3: Aperture Priority Mode
                  exposure_absolute 0x009a0902 (int)    : min=1 max=10000 step=1 default=166 value=5 flags=inactive
             exposure_auto_priority 0x009a0903 (bool)   : default=0 value=1
                          led1_mode 0x0a046d05 (menu)   : min=0 max=3 default=3 value=3
                    0: Off
                    1: On
                    2: Blink
                    3: Auto
                     led1_frequency 0x0a046d06 (int)    : min=0 max=131 step=1 default=0 value=0
    Last edited by ajgreeny; October 21st, 2020 at 08:01 PM. Reason: code tags added

  2. #2
    Join Date
    Sep 2009
    Location
    Pennsylvania
    Beans
    3,288
    Distro
    Xubuntu

    Re: Problem Skype (webcam) 20.04

    Make a 20.04 install medium. Boot to that and see if the camera works then. Upgrading can often cause problems like you are having. I learned a looong time ago to always do clean installs after backing up everything first.

    If your camera works on the boot disk, your easiest fix may be to do a clean install after backing up your data.

  3. #3
    Join Date
    Oct 2018
    Beans
    24

    Re: Problem Skype (webcam) 20.04

    What is the MEDIUM? I installed from a USB drive.

  4. #4
    Join Date
    Oct 2018
    Beans
    24

    Re: Problem Skype (webcam) 20.04

    It works on other computer.

  5. #5
    Join Date
    May 2013
    Location
    Galiza
    Beans
    2,881
    Distro
    Ubuntu

    Re: Problem Skype (webcam) 20.04

    What is the MEDIUM? I installed from a USB drive.
    It works on other computer.
    Irrelevant.
    Please try in a live session. Media doesn't matter as long as it boots.

  6. #6
    Join Date
    Oct 2018
    Beans
    24

    Re: Problem Skype (webcam) 20.04

    The camera is still not working...

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