Arch Linux

jb.1234abcd

Member

Registered: 2013-10-14

Posts: 45

[SOLVED] webcam not working in Skype

Skype from AUR:
skypeforlinux-stable-bin     8.30.0.50-1

$ dmesg |grep video
[Sat Sep 22 11:43:11 2018] uvcvideo: Found UVC 1.00 device Integrated Camera (1bcf:2c70)
[Sat Sep 22 11:43:11 2018] uvcvideo 2-8:1.0: Entity type for entity Extension 4 was not initialized!
[Sat Sep 22 11:43:11 2018] uvcvideo 2-8:1.0: Entity type for entity Extension 3 was not initialized!
[Sat Sep 22 11:43:11 2018] uvcvideo 2-8:1.0: Entity type for entity Processing 2 was not initialized!
[Sat Sep 22 11:43:11 2018] uvcvideo 2-8:1.0: Entity type for entity Camera 1 was not initialized!
[Sat Sep 22 11:43:11 2018] usbcore: registered new interface driver uvcvideo

$ lsusb
Bus 002 Device 004: ID 1bcf:2c70 Sunplus Innovation Technology Inc.

$ lsmod |grep uvc
uvcvideo              110592  1
videobuf2_vmalloc      16384  1 uvcvideo
videobuf2_v4l2         28672  1 uvcvideo
videobuf2_common       53248  2 videobuf2_v4l2,uvcvideo
videodev              212992  4 videobuf2_v4l2,uvcvideo,videobuf2_common
media                  45056  2 videodev,uvcvideo
usbcore               294912  5 xhci_hcd,ehci_pci,uvcvideo,ehci_hcd,xhci_pci

$ ls -al /dev/video*
crw-rw----+ 1 root video 81, 0 Sep 22 11:43 /dev/video0
crw-rw----+ 1 root video 81, 1 Sep 22 11:43 /dev/video1

$ id
uid=1000(jb) gid=1000(jb) groups=1000(jb),10(wheel),91(video)

$ v4l2-ctl --list-devices
Integrated Camera: Integrated C (usb-0000:00:14.0-8):
    /dev/video0
    /dev/video1

$ xawtv
It works - Capture Window, webcam control light ON.

It does not work for Skype (webcam control light OFF).
Note: it works for Skype under Win 7.

SOLVED:
https://wiki.archlinux.org/index.php/webcam_setup
Use LD_PRELOAD.

Last edited by jb.1234abcd (2018-09-22 14:31:06)