Hi, On Monday 01 February 2010 18:14:26 Omari Stephens wrote: > Howdy, all > > So, it turns out that the new camera in the Lenovo Thinkpad T410 is > (mostly) supported by the uvcvideo driver. The USB id is 17ef:480f. I > copied the stanza from 17ef:480b (another Lenovo-branded camera) in > uvc_driver.c and it Just Worked... well... mostly. > > After a quick recompile (I'm running 2.6.33-rc6 with uvcvideo as a > module), it's been pretty straightforward to get JPEG out of the webcam, > but that "M" is still a challenge — I only seem to get a single frame > each time I start a recording. I've tried with a bunch of different > luvcview params, as well as with an ffmpeg incantation I found on the > antiquated OpenFacts UVC page. > > I also noticed that using guvcview, I can consistently get a frame out > every time I change the resolution, even going up to 1600x1200. > Furthermore, I get that frame regardless of whether I'm in MJPEG or YUYV > mode. But I still never get two frames. I found a historical post ([1]) > describing the exact same problem I'm running into, but unfortunately it > looks like the solution was "this was fixed in subversion", not any > actual hints. > > I've attached the output of `lsusb -v -s 1:4` as root, in case it helps > give some insight. Any help getting the camera to display more than one > frame at a time would be appreciated.
Have you tried using the driver without adding the USB VID:PID to uvc_driver.c ? What happens then ? -- Regards, Laurent Pinchart _______________________________________________ Linux-uvc-devel mailing list Linux-uvc-devel@lists.berlios.de https://lists.berlios.de/mailman/listinfo/linux-uvc-devel
