Risolto - skypeforlinux - webcam nera

[Andrea]

anche con sudo oppure su, i controlli non sono accessibili.

il parametro timeperframe è accessibile ma consente solo una opzione:

   

ho provato anche a variare "uscita della webcam" provando tutte le opzioni, ma niente di fatto.

altri comandi da terminale:

Codice:

vita@vita-HP-530-Notebook-PC:~$ dmesg | grep usb
[    0.241807] usbcore: registered new interface driver usbfs
[    0.241818] usbcore: registered new interface driver hub
[    0.241835] usbcore: registered new device driver usb
[    1.684161] usb usb1: New USB device found, idVendor=1d6b, idProduct=0002
[    1.684164] usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.684166] usb usb1: Product: EHCI Host Controller
[    1.684168] usb usb1: Manufacturer: Linux 4.15.0-123-generic ehci_hcd
[    1.684170] usb usb1: SerialNumber: 0000:00:1d.7
[    1.685217] usb usb2: New USB device found, idVendor=1d6b, idProduct=0001
[    1.685220] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
[    1.685222] usb usb2: Product: UHCI Host Controller
[    1.685224] usb usb2: Manufacturer: Linux 4.15.0-123-generic uhci_hcd
[    1.685226] usb usb2: SerialNumber: 0000:00:1d.0
[    2.224088] usb 2-2: new full-speed USB device number 2 using uhci_hcd
[    2.413092] usb 2-2: New USB device found, idVendor=0c45, idProduct=6143
[    2.413096] usb 2-2: New USB device strings: Mfr=0, Product=1, SerialNumber=0
[    2.413099] usb 2-2: Product: USB camera
[    8.824604] input: sonixj as /devices/pci0000:00/0000:00:1d.0/usb2/2-2/input/input16
[    8.824911] usbcore: registered new interface driver sonixj
vita@vita-HP-530-Notebook-PC:~$ ls -l /dev/video*
crw-rw----+ 1 root video 81, 0 nov 12 15:48 /dev/video0
vita@vita-HP-530-Notebook-PC:~$ sudo modprobe -rv uvcvideo
[sudo] password di vita:
vita@vita-HP-530-Notebook-PC:~$ sudo modprobe -v uvcvideo
insmod /lib/modules/4.15.0-123-generic/kernel/drivers/media/v4l2-core/videobuf2-core.ko
insmod /lib/modules/4.15.0-123-generic/kernel/drivers/media/v4l2-core/videobuf2-v4l2.ko
insmod /lib/modules/4.15.0-123-generic/kernel/drivers/media/v4l2-core/videobuf2-memops.ko
insmod /lib/modules/4.15.0-123-generic/kernel/drivers/media/v4l2-core/videobuf2-vmalloc.ko
insmod /lib/modules/4.15.0-123-generic/kernel/drivers/media/usb/uvc/uvcvideo.ko
vita@vita-HP-530-Notebook-PC:~$ LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so /usr/bin/skypeforlinux
vita@vita-HP-530-Notebook-PC:~$

con l'ultimo comando si avvia skype ma sempre video nero.
ulteriore verifica:

Codice:

vita@vita-HP-530-Notebook-PC:~$ dpkg -l | grep v4l
ii  libv4l-0:amd64                                1.10.0-1                                                    amd64        Collection of video4linux support libraries
ii  libv4l2rds0:amd64                             1.10.0-1                                                    amd64        Video4Linux Radio Data System (RDS) decoding library
ii  libv4lconvert0:amd64                          1.10.0-1                                                    amd64        Video4linux frame format conversion library
ii  uvcdynctrl                                    0.2.4-1.1ubuntu1                                            amd64        Command line tool to control v4l2 devices
ii  uvcdynctrl-data                               0.2.4-1.1ubuntu1                                            all          Command line tool to control v4l2 devices - data files
ii  v4l-utils                                     1.10.0-1                                                    amd64        Collection of command line video4linux utilities
vita@vita-HP-530-Notebook-PC:~$
vita@vita-HP-530-Notebook-PC:~$

La versione di skype è:

Codice:

vita@vita-HP-530-Notebook-PC:~$ apt show skypeforlinux
Package: skypeforlinux
Version: 8.66.0.74
Priority: extra
Section: non-free/net
Maintainer: Skype Technologies S.A. <info@skype.net>
Installed-Size: 303 MB
Depends: libasound2 (>= 1.0.16), libatk-bridge2.0-0 (>= 2.5.3), libatk1.0-0 (>= 2.2.0), libatspi2.0-0 (>= 2.9.90), libc6 (>= 2.17), libcairo2 (>= 1.6.0), libcups2 (>= 1.4.0), libexpat1 (>= 2.0.1), libgcc1 (>= 1:3.0), libgdk-pixbuf2.0-0 (>= 2.22.0), libglib2.0-0 (>= 2.39.4), libgtk-3-0 (>= 3.9.10), libnspr4 (>= 2:4.9-2~), libnss3 (>= 2:3.22), libpango-1.0-0 (>= 1.14.0), libpangocairo-1.0-0 (>= 1.14.0), libsecret-1-0 (>= 0.18), libx11-6 (>= 2:1.4.99.1), libx11-xcb1, libxcb1 (>= 1.6), libxcomposite1 (>= 1:0.3-1), libxcursor1 (>> 1.1.2), libxdamage1 (>= 1:1.1), libxext6, libxfixes3 (>= 1:5.0), libxi6 (>= 2:1.2.99.4), libxrandr2 (>= 2:1.2.99.3), libxrender1, libxss1, libxtst6, gnome-keyring, apt-transport-https, libfontconfig1 (>= 2.11.0), libdbus-1-3 (>= 1.6.18), libstdc++6 (>= 4.8.1)
Homepage: https://www.skype.com
Download-Size: 84,5 MB
APT-Manual-Installed: yes
APT-Sources: https://repo.skype.com/deb stable/main amd64 Packages
Description: Skype keeps the world talking, for free.
Skype keeps you together. Call, message and share with others.
  * It's free to download and join.
  * Call, instant message and send photos and documents to anyone else on Skype.
  * Easily text message anywhere in the world.
  * Get your friends together on a group call.
And that's just the start...

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vita@vita-HP-530-Notebook-PC:~$