Dear Linux folks, I tried to get a Logitech QuickCam USB camera working, but unfortunately, it is not detected by user space (Cheese, MPlayer). It’s an old device, so it could be broken, but as it’s detected by the Linux kernel, I wanted to check with you first. Linux 4.18.10 from Debian Sid/unstable is used. ``` $ dmesg […] [ 2891.404361] usb 3-3: new full-speed USB device number 4 using ohci-pci [ 2891.626934] usb 3-3: New USB device found, idVendor=046d, idProduct=092e, bcdDevice= 0.00 [ 2891.626945] usb 3-3: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 2891.626951] usb 3-3: Product: Camera [ 2891.626957] usb 3-3: Manufacturer: [ 2893.110249] calling media_devnode_init+0x0/0x1000 [media] @ 11704 [ 2893.110256] media: Linux media interface: v0.10 [ 2893.110329] initcall media_devnode_init+0x0/0x1000 [media] returned 0 after 56 usecs [ 2893.210078] calling videodev_init+0x0/0x79 [videodev] @ 11704 [ 2893.210084] videodev: Linux video capture interface: v2.00 [ 2893.210123] initcall videodev_init+0x0/0x79 [videodev] returned 0 after 21 usecs [ 2893.333140] calling gspca_init+0x0/0x1000 [gspca_main] @ 11704 [ 2893.333148] gspca_main: v2.14.0 registered [ 2893.333161] initcall gspca_init+0x0/0x1000 [gspca_main] returned 0 after 3 usecs [ 2893.370672] calling sd_driver_init+0x0/0x1000 [gspca_spca561] @ 11704 [ 2893.370751] gspca_main: spca561-2.14.0 probing 046d:092e [ 2893.482675] input: spca561 as /devices/pci0000:00/0000:00:12.0/usb3/3-3/input/input17 [ 2893.485415] usbcore: registered new interface driver spca561 [ 2893.485434] initcall sd_driver_init+0x0/0x1000 [gspca_spca561] returned 0 after 112054 usecs […] $ ls -l /dev/video* crw-rw----+ 1 root video 81, 0 Nov 15 09:26 /dev/video0 $ mplayer tv:// -tv driver=v4l2:device=/dev/video0 MPlayer 1.3.0 (Debian), built with gcc-8 (C) 2000-2016 MPlayer Team do_connect: could not connect to socket connect: No such file or directory Failed to open LIRC support. You will not be able to use your remote control. Playing tv://. TV file format detected. Selected driver: v4l2 name: Video 4 Linux 2 input author: Martin Olschewski <olschewski@xxxxxxxxxxxxxxxx> comment: first try, more to come ;-) v4l2: your device driver does not support VIDIOC_G_STD ioctl, VIDIOC_G_PARM was used instead. Selected device: Camera Capabilities: video capture read/write streaming supported norms: inputs: 0 = spca561; Current input: 0 Current format: unknown (0x31363553) tv.c: norm_from_string(pal): Bogus norm parameter, setting default. v4l2: ioctl enum norm failed: Inappropriate ioctl for device Error: Cannot set norm! Selected input hasn't got a tuner! v4l2: ioctl set mute failed: Invalid argument v4l2: ioctl query control failed: Invalid argument v4l2: ioctl query control failed: Invalid argument ========================================================================== Cannot find codec matching selected -vo and video format 0x31363553. ========================================================================== No stream found. v4l2: ioctl set mute failed: Invalid argument v4l2: 0 frames successfully processed, 0 frames dropped. Exiting... (End of file) ``` Do you have an idea, what the issue. I know it worked fine several years ago. Kind regards, Paul
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