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** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1991480
Title:
Second video device not accessible in Cheese
Status in linux package in Ubuntu:
Incomplete
Bug description:
I have two USB video devices, a Logitech Webcam (first device,
/dev/video0) and a CZUR book scanner (basically a camera, second
device, /dev/video2), both working in applications such as guvcview,
vlc, OBS or webcamoid:
v4l2-ctl --list-devices
UVC Camera (046d:0825) (usb-0000:00:14.0-1.3.1):
/dev/video0
/dev/video1
/dev/media0
CZUR (usb-0000:00:14.0-1.4.2):
/dev/video2
/dev/video3
/dev/media1
However, in Cheese I cannot access the CZUR book scanner: In the GUI, the
menu to choose a device is greyed out showing only the UVC camera, on the
commandline cheese -d CZUR falls back to the UVC camera I obtained the device
name with
udevadm info /sys/class/video4linux/video2 | grep ID_V4L_PRODUCT
E: ID_V4L_PRODUCT=CZUR
and when I replace the device name with dconf editor Cheese falls back to the
UVC device again.
This is the output of gst-device-monitor-1.0 with respect to the first and
second video device:
gst-device-monitor-1.0 Video
Probing devices...
Device found:
name : UVC Camera (046d:0825)
class : Video/Source
caps : video/x-raw, format=(string)YUY2, width=(int)1280,
height=(int)960, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 15/2,
5/1 };
video/x-raw, format=(string)YUY2, width=(int)1280,
height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 15/2,
5/1 };
video/x-raw, format=(string)YUY2, width=(int)1184,
height=(int)656, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 10/1,
5/1 };
video/x-raw, format=(string)YUY2, width=(int)960,
height=(int)720, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 10/1,
5/1 };
video/x-raw, format=(string)YUY2, width=(int)1024,
height=(int)576, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 10/1,
5/1 };
video/x-raw, format=(string)YUY2, width=(int)960,
height=(int)544, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 15/1,
10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)800,
height=(int)600, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 20/1,
15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)864,
height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 20/1,
15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)800,
height=(int)448, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 20/1,
15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)752,
height=(int)416, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 25/1,
20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)640,
height=(int)480, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)640,
height=(int)360, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)544,
height=(int)288, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)432,
height=(int)240, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)352,
height=(int)288, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)320,
height=(int)240, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)320,
height=(int)176, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)176,
height=(int)144, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
video/x-raw, format=(string)YUY2, width=(int)160,
height=(int)120, pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1,
25/1, 20/1, 15/1, 10/1, 5/1 };
image/jpeg, width=(int)1280, height=(int)960,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)1280, height=(int)720,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)1184, height=(int)656,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)960, height=(int)720,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)1024, height=(int)576,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)960, height=(int)544,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)800, height=(int)600,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)864, height=(int)480,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)800, height=(int)448,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)752, height=(int)416,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)640, height=(int)480,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)640, height=(int)360,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)544, height=(int)288,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)432, height=(int)240,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)352, height=(int)288,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)320, height=(int)240,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)320, height=(int)176,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)176, height=(int)144,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
image/jpeg, width=(int)160, height=(int)120,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction){ 30/1, 25/1, 20/1, 15/1,
10/1, 5/1 };
properties:
udev-probed = true
device.bus_path = pci-0000:00:14.0-usb-0:1.3.1:1.0
sysfs.path =
/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1:1.0/video4linux/video0
device.bus = usb
device.subsystem = video4linux
device.vendor.id = 046d
device.vendor.name = 046d
device.product.id = 0825
device.product.name = "UVC\ Camera\ \(046d:0825\)"
device.serial = 046d_0825_B73C4F50
device.capabilities = :capture:
device.api = v4l2
device.path = /dev/video0
v4l2.device.driver = uvcvideo
v4l2.device.card = "UVC\ Camera\ \(046d:0825\)"
v4l2.device.bus_info = usb-0000:00:14.0-1.3.1
v4l2.device.version = 331573 (0x00050f35)
v4l2.device.capabilities = 2225078273 (0x84a00001)
v4l2.device.device_caps = 69206017 (0x04200001)
gst-launch-1.0 v4l2src ! ...
Device found:
name : CZUR
class : Video/Source
caps : image/jpeg, width=(int)4608, height=(int)3456,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)8/1;
image/jpeg, width=(int)4320, height=(int)3240,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)8/1;
image/jpeg, width=(int)4000, height=(int)3000,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)8/1;
image/jpeg, width=(int)3264, height=(int)2448,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)8/1;
image/jpeg, width=(int)2592, height=(int)1944,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)8/1;
image/jpeg, width=(int)2048, height=(int)1536,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)8/1;
image/jpeg, width=(int)1920, height=(int)1080,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1;
image/jpeg, width=(int)1600, height=(int)1200,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1;
image/jpeg, width=(int)1536, height=(int)1152,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1;
image/jpeg, width=(int)800, height=(int)600,
pixel-aspect-ratio=(fraction)1/1, framerate=(fraction)30/1;
properties:
udev-probed = true
device.bus_path = pci-0000:00:14.0-usb-0:1.4.2:1.0
sysfs.path =
/sys/devices/pci0000:00/0000:00:14.0/usb1/1-1/1-1.4/1-1.4.2/1-1.4.2:1.0/video4linux/video2
device.bus = usb
device.subsystem = video4linux
device.vendor.id = 04fc
device.vendor.name = 04fc
device.product.id = 1101
device.product.name = CZUR
device.serial = 04fc_CZUR_HU123456
device.capabilities = :capture:
device.api = v4l2
device.path = /dev/video2
v4l2.device.driver = uvcvideo
v4l2.device.card = CZUR
v4l2.device.bus_info = usb-0000:00:14.0-1.4.2
v4l2.device.version = 331573 (0x00050f35)
v4l2.device.capabilities = 2225078273 (0x84a00001)
v4l2.device.device_caps = 69206017 (0x04200001)
gst-launch-1.0 v4l2src device=/dev/video2 ! ...
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: cheese 3.34.0-1ubuntu1
ProcVersionSignature: Ubuntu 5.15.0-48.54~20.04.1-generic 5.15.53
Uname: Linux 5.15.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.24
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Sun Oct 2 11:16:39 2022
ExecutablePath: /usr/bin/cheese
MachineType: Intel(R) Client Systems NUC10i5FNH
ProcEnviron:
SHELL=/bin/bash
XDG_RUNTIME_DIR=<set>
PATH=(custom, user)
LANG=de_DE.UTF-8
RelatedPackageVersions:
cheese 3.34.0-1ubuntu1
cheese-common 3.34.0-1ubuntu1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/18/2020
dmi.bios.release: 5.16
dmi.bios.vendor: Intel Corp.
dmi.bios.version: FNCML357.0047.2020.1118.1629
dmi.board.asset.tag: Default string
dmi.board.name: NUC10i5FNB
dmi.board.vendor: Intel Corporation
dmi.board.version: K61361-306
dmi.chassis.type: 35
dmi.chassis.vendor: Intel Corporation
dmi.chassis.version: 2.0
dmi.ec.firmware.release: 3.9
dmi.modalias:
dmi:bvnIntelCorp.:bvrFNCML357.0047.2020.1118.1629:bd11/18/2020:br5.16:efr3.9:svnIntel(R)ClientSystems:pnNUC10i5FNH:pvrK61160-307:rvnIntelCorporation:rnNUC10i5FNB:rvrK61361-306:cvnIntelCorporation:ct35:cvr2.0:skuBXNUC10i5FNH:
dmi.product.family: FN
dmi.product.name: NUC10i5FNH
dmi.product.sku: BXNUC10i5FNH
dmi.product.version: K61160-307
dmi.sys.vendor: Intel(R) Client Systems
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