It anyone else stumbles on this the solution is:
sudo rmmod uvcvideo && sudo modprobe uvcvideo nodrop=1 timeout=5000
On Thursday, 18 February 2016 11:29:50 UTC+11, joelk wrote:
>
> Has anybody managed to capture video from a usb webcam on a BBB with any
> recent Linux distribution using OpenCV
I went through this a few months ago and got nowhere. The problem seems to
be in the uvc driver. To troubleshoot outside of openCV I installed
v4l-utils fswebcam gpicview guvcview and permuted available kernels and
never could get image capture to work for more than one frame. I posted a
I should also mention that I'm currently running the lxqt jessie image with
linux-image-4.1.17-ti-r48. I get the same results with 4.1.17-bone19 and
4.1.15-ti-r43.
I can't use the rt kernels because those make /dev/video0 even more
unstable -- frequently can't open the camera at all and can't
Sorry, that wasn't 100% accurate. When I run that program on the BBB (over
ssh from a PC in my lan), it writes the frame size to stdout, then after
10-15 seconds it opens a gray window (sometimes the window immediately
opens to the correct size, sometimes opens a tiny window that grows to the
