Hi, have you tried with other apps (luvcview or guvcview) ? You may also try with other formats, like YUYV, maybe the camera just doesn't support MJPG. Camera supported formats can also be checked with lsusb.
Regards, Paulo 2010/6/20 Andrew V Kuzmin <freeg...@mail.ru>: > Hello! > > Got problems with work of webcam MANTA MM353 Plako on chip ARK3188 > in linux 2.6.32 Ubuntu 10.04 > > The device seen in lsusb: > > Bus 001 Device 015: ID 18ec:3188 Arkmicro Technologies Inc. > > The device seen in dmesg > > [ 6127.384018] usb 1-1: new high speed USB device using ehci_hcd and > address 15 > [ 6127.517772] usb 1-1: configuration #1 chosen from 1 choice > [ 6127.518351] uvcvideo: Found UVC 1.00 device USB2.0 PC CAMERA > (18ec:3188) > [ 6127.518630] uvcvideo: UVC non compliance - GET_DEF(PROBE) not > supported. Enabling workaround. > [ 6127.519034] input: USB2.0 PC CAMERA > as /devices/pci0000:00/0000:00:1d.7/usb1/1-1/1-1:1.0/input/input12 > [ 6404.415648] uvcvideo: Failed to query (130) UVC probe control : 0 > (exp. 26). > > But stream doesn't show in mplayer: > > > r...@kuzmin-desktop:/home/kuzmin# mplayer tv:// > MPlayer SVN-r1.0~rc3+svn20090426-4.4.3 (C) 2000-2009 MPlayer Team > mplayer: could not connect to socket > mplayer: 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 <olschew...@zpr.uni-koeln.de> > 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: USB2.0 PC CAMERA > Capabilites: video capture streaming > supported norms: > inputs: 0 = Camera 1; > Current input: 0 > Current format: MJPEG > v4l2: ioctl set format failed: Input/output error > v4l2: ioctl set mute failed: Invalid argument > v4l2: 0 frames successfully processed, 0 frames dropped. > > > Exiting... (End of file) > r...@kuzmin-desktop:/home/kuzmin# > > > > > _______________________________________________ > Linux-uvc-devel mailing list > Linux-uvc-devel@lists.berlios.de > https://lists.berlios.de/mailman/listinfo/linux-uvc-devel > _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
