Logitech C922 Webcam

[shreyank amartya]

What about this error:
libv4l2: error got 4 consecutive frame decode errors, last error:
v4l-convert: libjpeg error: End Of Image

Both pwcview and cheese give this out. Is there a patch to fix this? or any
other solution or method I can try out?

On Tue, Sep 11, 2018 at 9:35 AM shreyank amartya <shreyankfbsd at gmail.com>
wrote:

> What does usbconfig say about this device?
>
> root at amd-sham:~ # usbconfig
> ugen0.1: <0x1022 XHCI root HUB> at usbus0, cfg=0 md=HOST spd=SUPER
> (5.0Gbps) pwr=SAVE (0mA)
> ugen0.2: <CHICONY HP Basic USB Keyboard> at usbus0, cfg=0 md=HOST spd=LOW
> (1.5Mbps) pwr=ON (100mA)
> ugen0.3: <vendor 0x046d C922 Pro Stream Webcam> at usbus0, cfg=0 md=HOST
> spd=HIGH (480Mbps) pwr=ON (500mA)
> ugen0.4: <Logitech USB Optical Mouse> at usbus0, cfg=0 md=HOST spd=LOW
> (1.5Mbps) pwr=ON (100mA)
> ugen0.5: <ASIX Elec. Corp. AX88179> at usbus0, cfg=0 md=HOST spd=SUPER
> (5.0Gbps) pwr=ON (124mA)
>
> root at amd-sham:~ # lsusb
> Bus /dev/usb Device /dev/ugen0.5: ID 0b95:1790 ASIX Electronics Corp.
> AX88179 Gigabit Ethernet
> Bus /dev/usb Device /dev/ugen0.4: ID 046d:c05a Logitech, Inc. M90/M100
> Optical Mouse
> Bus /dev/usb Device /dev/ugen0.3: ID 046d:085c Logitech, Inc. C922 Pro
> Stream Webcam
> Bus /dev/usb Device /dev/ugen0.2: ID 03f0:0024 Hewlett-Packard KU-0316
> Keyboard
> Bus /dev/usb Device /dev/ugen0.1: ID 0000:0000
>
> Both seem to be detecting the camera. I can see traffic on USB dump but i
> can't make sense of it yet.
>
> On Tue, Sep 11, 2018 at 1:27 PM Hans Petter Selasky <hps at selasky.org>
> wrote:
>
>> On 9/11/18 4:09 AM, shreyank amartya wrote:
>> > I'm trying to use my Logitech C922 webcam with FreeBSD 11.2 installed
>> on my
>> > system. I've installed webcamd and it is able to create /dev/video0.
>> > However, when I try viewing the video through pwcview or cheese, I get a
>> > scattered feed at 800x600 resolution and the following error if I try a
>> > higher resolution:
>>
>> What does usbconfig say about this device?
>>
>> "usbdump -i usbusX -f Y -s 65536" can capture the USB traffic and
>> errors, if any.
>>
>> --HPS
>>
>