On Wednesday 31 October 2007 15:08:32 you wrote: > Hi Ben, > > On Wednesday 31 October 2007 15:51, Ben Morris wrote: > > On Tuesday 30 October 2007 22:01:58 you wrote: > > > Hi Ben, > > > > > > On Sunday 28 October 2007, Ben Morris wrote: > > > > I installed linux-uvc, SVN version from a Gentoo ebuild. > > > > There was a post-install note saying to get involved here if a device > > > > doesn't work. I hope I am not spamming the wrong list. :-) > > > > > > This is the right list. Let's see if your post should be considered as > > > spam :-) > > > > > > > I have an HP dv9574 laptop with a built-in webcam. What sort of > > > > camera it actually is is not obvious, but I believe this lsusb entry > > > > is it: Bus 002 Device 004: ID 064e:a101 Suyin Corp. > > > > > > > > Here is dmesg's output on loading the uvcvideo module: > > > > uvcvideo: Found UVC 1.00 device HP Webcam (064e:a101) > > > > usbcore: registered new interface driver uvcvideo > > > > USB Video Class driver (v0.1.0) > > > > > > Looks great so far. > > > > > > > The dev entry is created but does not seem to work: > > > > # cat /dev/video0 > > > > cat: /dev/video0: No such device > > > > > > That's perfectly normal. The Linux UVC driver doesn't support read() > > > (yet). Only softwares using the mmap() streaming method will work. > > > > > > > The file does exist, by the way. > > > > > > > > Running xawtv causes the blue LED next to the camera to light > > > > briefly, but does not produce a picture. > > > > > > xawtv has known bugs. Could you please try luvcview ? As your camera > > > doesn't support MJPEG, you should run it with > > > > > > luvcview -f yuv > > ^^^^^^^^^^^^^^^^^^^^^ > *HINT*HINT*HINT*HINT* >
Oops. Spent altogether too long trying to install it (network was down...), then forgot what I was doing when it started working... > > > > I would be glad to assist in any way I can to help add support for > > > > this device. I can't code but I will do any tests you suggest. > > > > > > If luvcview works (and it probably will), Ekiga should work as well. > > > aMsn and mplayer should too if you use recent enough versions. > > > > > > Best regards, > > > > > > Laurent Pinchart > > > > Thanks. I compiled luvcview using the ebuild from > > http://lists.berlios.de/pipermail/linux-uvc-devel/2006-February/000255.ht > >ml > > > > $ luvcview > > luvcview version 0.2.1 > > Video driver: x11 > > A window manager is available > > video /dev/video0 > > Unable to set format: 22. > > Init v4L2 failed !! exit fatal > > Refer to the above hint :-) > > > What parameters would I use with mplayer to test the cam? I have Gentoo's > > mplayer-1.0_rc1_p20070824. > > Try something like > > mplayer tv:// -tv driver=v4l2:fps=25:width=640:height=480 > > p20070824 should be recent enough, but if you get error messages such as > > v4l2: ioctl dequeue buffer failed: Invalid argument, idx = 0 > > you should try to upgrade to a later version. > > > BTW, I know that the camera is working as I tested it before wiping out > > the Vista install this laptop came with (no refunds from HP). :-( > > Best regards, > > Laurent Pinchart > > PS: Please reply to the list Mplayer and luvcview both seem to work fine. Thanks for tolerating my confusion, Ben Morris _______________________________________________ Linux-uvc-devel mailing list [email protected] https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
