> - - if the device is not video class device, then there is no way to > uvcvideo will know about it. (except you will force it, but there is > no guaranty)
How do you force it? On 28 November 2011 14:59, Alexey Fisher <bug-tr...@fisher-privat.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Hi, > > it works like this: > - - after you connected some usb device to the host > - - it will be checked by usb-core driver > - - every device has some class description. > - - if your device say, it belong to: 14 - video class, uvcvideo will > initiate it. > - - if the device is not video class device, then there is no way to > uvcvideo will know about it. (except you will force it, but there is > no guaranty) > > On 28.11.2011 14:43, Antonio Roberts wrote: >> Thanks for that FAQ. I executed "lsusb -d 046d:08cb -v | grep "14 >> Video"" and I get no output >> >> * However * , could this be because it is only reading the >> wireless dongle? There's no way for me to physically connect the >> wireless webcam to my computer >> >> On 24 November 2011 14:19, Alexey Fisher >> <bug-tr...@fisher-privat.net> wrote: >>> Hi, >>> >>> Please read this FAQ: http://www.ideasonboard.org/uvc/faq/ >>> >>> On 24.11.2011 10:49, Antonio Roberts wrote: >>>> I've tried camorama, cheese, guvcview and loading cameras >>>> through websites like tumblr and facebook. They recognise that >>>> a new device is there but I get no video output >>>> >>>> I've just tried luvcview with "luvcview -d /dev/video2" and got >>>> this error: >>>> >>>> SDL information: Video driver: x11 A window manager is >>>> available Device information: Device path: /dev/video2 Stream >>>> settings: Frame format: MJPG Unable to set format: Input/output >>>> error Init v4L2 failed !! exit fatal >>>> >>>> >>>> On 24 November 2011 09:28, Paulo Assis <pj.as...@gmail.com> >>>> wrote: >>>>> Hi, Have you tried any other software besides cheese? >>>>> (guvcview, luvcview,...) >>>>> >>>>> Regards, Paulo >>>>> >>>>> 2011/11/23 Antonio Roberts <anto...@hellocatfood.com>: >>>>>> I recently bought this wireless webcam; >>>>>> http://www.maplin.co.uk/2.4ghz-wireless-webcam-388087 . I'm >>>>>> having trouble getting it to work on Ubuntu 11.04. >>>>>> >>>>>> I ran lsusb and got the folowing information about the >>>>>> device: >>>>>> >>>>>> Bus 006 Device 003: ID 0416:a91a Winbond Electronics Corp. >>>>>> >>>>>> I did a Google serach for the device ID and the Linux UVC >>>>>> website (http://www.ideasonboard.org/uvc/ ) informs me that >>>>>> it matches the LogiLink Wireless Webcam (so Maplin probably >>>>>> just rebranded this!). What this website states is that >>>>>> this device should work, which it doesn't. >>>>>> >>>>>> The problem I'm facing is that I don't get any actual video >>>>>> being streamed or shown. The built in microphone works and, >>>>>> when running Cheese, when I press the camera button on the >>>>>> webcam itself the software recognises that the button is >>>>>> pressed. >>>>>> >>>>>> On that note, when running cheese from the terminal with >>>>>> this webcam attached I get the following error: >>>>>> >>>>>> libv4l2: error getting pixformat: Invalid argument libv4l2: >>>>>> error setting pixformat: Input/output error >>>>>> >>>>>> Any help is appreciated >>> >>> _______________________________________________ Linux-uvc-devel >>> mailing list Linux-uvc-devel@lists.berlios.de >>> https://lists.berlios.de/mailman/listinfo/linux-uvc-devel >>> >> >> >> > > > - -- > Regards, > Alexey > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iEYEARECAAYFAk7TobwACgkQw8E0jNwoJm9MewCfSbCFQdf/OVUoIlmouE/DYbmI > aO4An2R8yr1Zggr9Yjk2LU0O+5qN8GXn > =kjT9 > -----END PGP SIGNATURE----- > -- ============================ anto...@hellocatfood.com http://www.hellocatfood.com ============================ _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
