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Content on this site is licensed under a Creative Commons Attribution Share Alike 3.0 license. Don't judge Linux by the Pi.......I must not tread on too many sacred cows...... Found out a lot about my camera, and was able to fix the issue. Managed to figure this one out with some help from the nice people in #v4l on freenode.

Word/phrase/idiom for person who is no longer deceived Starting freelancer career while already having customers more hot questions question feed about us tour help blog chat data legal privacy policy work In the driver it calculates the size of the uncompressed image and then divides by the compression factor to work out what USB bandwidth to use. Not the answer you're looking for? Credits: http://renoirsrants.blogspot.com/2011/07/multiple-webcams-on-zoneminder.html Checkout this link to see how to add this to your module conf so that changes become permanent. http://askubuntu.com/questions/683327/libv4l2-error-turning-on-stream-invalid-argument-vidioc-streamon-invalid-argu

Vidioc_streamon Invalid Argument

Only one camera out of the three returns an image. Ko 31919 3 Sounds like something is holding onto the cameras i.e. One solution proposed forcing the webcams to calculate their bandwidth usage instead of requesting their maximum by running the following commands: sudo rmmod uvcvideo sudo modprobe uvcvideo quirks=128 Unfortunately that made The others return errors that I'm seeing on the console (not the same on every run): libv4l2: error turning on stream: Connection timed out, VIDIOC_STREAMON: Connection timed out libv4l2: error turning

edit flag offensive delete link more Comments You can't just "move" the cameras from one bus to the other my moving the files around. Make sure you're using the latest updates with at leastCode: Select allsudo apt-get update
sudo apt-get upgrade(Assuming Raspbian)I suspect you've probably fallen foul of the the Pi's greatest weakness, its USB I connect Logitech B910 and Logitech C910 webcams to usb. Ioctl(vidioc_streamon): No Space Left On Device Check out the FAQ!

Posts: 16Joined: Mon Jul 30, 2012 8:54 am by rdmarsh » Mon Oct 15, 2012 3:04 pm Would love to hear more on this combination. thanks! In Ubuntu 14.04 the uvcdriver module always allocates 196Mbits/s regardless of the frame rate. anchor Why didn’t Japan attack the West Coast of the United States during World War II?

uvc_camera gets a terrible image and usb_camera doesn't set framerate ROS Answers is licensed under Creative Commons Attribution 3.0 Content on this site is licensed under a Creative Commons Attribution Share Vidioc_dqbuf Check out the FAQ! Downvote to get the correct answer up and because insufficient space was ruled out in the comments. –tuner Jan 29 '13 at 17:26 add a comment| up vote -1 down vote If you are on Linux then check this out: http://superuser.com/questions/431759/using-multiple-usb-webcams-in-linux If you are running Windows then I would update the chipset drivers or something to that extent.

Libv4l2 Error Turning On Stream Invalid Argument

UbuntuCommunityAsk!DeveloperDesignDiscourseHardwareInsightsJujuShopMore ›AppsHelpForumLaunchpadMAASCanonical current community chat Ask Ubuntu Ask Ubuntu Meta your communities Sign up or log in to customize your list. Ko Mar 5 '15 at 17:17 1 Maybe yor are not closing/releasing the cameras inside V4L2 code? Vidioc_streamon Invalid Argument USB devices must specify interface descriptors, and camera manufacturers often pick a terrible set of descriptor parameters that don't actually reflect the bandwidth saved by downsizing the image. Vidioc_streamon: No Space Left On Device Try this workaround: unplug your cameras, sudo modprobe -r uvcvideo, sudo modprobe uvcvideo quirk=0x80, plug your cameras back and check.

I manually went into /dev/bus/usb/ and moved the second camera from usb bus 002 to usb bus 001, but it still didn't work. All rights reserved. How do really talented people in academia think about people who are less capable than them? pps: If it makes a difference, here's the output of lsusb linux usb debian webcam bandwidth share|improve this question edited Jun 4 '12 at 2:38 asked Jun 2 '12 at 9:09 Uvcvideo Quirks=128

Granted, these webcams cost $3/each, so I guess I got what I paid for. –Cerin Apr 17 '15 at 13:54 add a comment| up vote 4 down vote The answer is Browse other questions tagged linux usb webcam or ask your own question. Most likely this is because the resolution, framerate and protocol used by your cameras overloads the USB 2.0 connection. Vetron AutoSeam - The Automated Sewing Machine Latest Comments By Bonnie Anderson on Vetron AutoSeam - The Automated Sewing Machine By Mahmoud Farshbafdoustar on Vetron AutoSeam - The Automated Sewing Machine

Code: Select [email protected] ~ $ ls /dev/video*
/dev/video0
[email protected] ~ $ lsusb
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 0424:9512 Standard Microsystems Vidioc_querybuf share|improve this answer answered Mar 5 '15 at 9:09 madmuffin 479417 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name

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Is the #disabled form element property different from the html disabled attribute? OpenCV might be using FFMPEG to do the acquire, ( the linux build generally has FFMPEG support) and the OpenCV docs admit you can't change the acquire format if FFMPEG is They are improving things with the latest updates but its far from perfect. Opencv On the other hand I attached the camera to a USB 2.0 port and that works both of them works fine.

I intend to generte disparity maps with the camera capture. It works OK at 352 *288 rather than 640 * 480. Given that ice is less dense than water, why doesn't it sit completely atop water (rather than slightly submerged)? I had two cameras: Realteck USB Camera and the Silicon Motion SMI camera.

After that choose a name for the file that stores the configuration you have made and click "Next". Also with cheeze it tells me that there is an error when trying to open the camera. If this works, create the following file: sudo vi /etc/modprobe.d/uvcvideo.conf containing the line: options uvcvideo quirks=128 check this link http://renoirsrants.blogspot.in/2011/07/multiple-webcams-on-zoneminder.html share|improve this answer edited Oct 23 '14 at 8:07 Marcin Nabiałek Why would two webcams operating well below the maximum speed of USB 2 would produce this error?

Posts: 148Joined: Thu Jul 12, 2012 3:33 pm

Post a reply 11 posts Return to Troubleshooting Jump to: Select a forum ------------------ Community General discussion Other Where can I find bug in uvcvideo or usb drivers? Click "Hard Disk" in the "Hardware Type" window and click "Next." Click "IDE" in the "Select a Disk Type" window and click "Next". Is there any way to bring an egg to its natural state (not boiled) after you cook it?

Is the sum of singular and nonsingular matrix always a nonsingular matrix? For the C500 it is a little better behaved, but is still a bandwidth hog. if (waitKey(20) == 27) { // wait for 'Esc' key press for 20ms break; // if 'Esc' key is pressed, break loop } } Or better, you can catch Ctrl + Note that GEMBIRD (1908:2311) == http://www.penguin.cz/~utx/hardware/USB_Camera_AX2311/ .

http://blog.martinperis.com/2011/11/opencv-stereo-webcam.htmlRalph058( 2013-03-18 09:37:21 -0500 )editadd a comment Login/Signup to Answer Question Tools Follow 1 follower subscribe to rss feed Stats Asked: 2012-12-05 04:42:19 -0500 Seen: 11,130 times Last updated: Mar 18 When capturing at a resolution of 320x240 or less, everything is fine, however when capturing at a resolution greater than that then I get the following the error: libv4l2: error turning As I did not find the right solution for the Virtual Box, I tried my existed alternative option that was Setting up the Linux inside best virtual machine I have ever Long story short: v4l2-ctl is the best tool for debugging USB camera issues.

Movie about encountering blue alien Why can't the second fundamental theorem of calculus be proved in just two lines? my results look like this. Ko Mar 8 '15 at 13:38 add a comment| active oldest votes Know someone who can answer? Hooray!P.S.

This works for me: VideoCapture capright(1); capright.set(CV_CAP_PROP_FPS,15); VideoCapture capleft(2); capleft.set(CV_CAP_PROP_FPS,15); with openCV2.4 in c++ Good luck! edit flag offensive delete link more add a comment 0 answered 2014-11-05 04:15:17 -0500 tyggerjai 11 ●1 ●1 updated 2014-11-05 04:16:56 -0500 I am about to try grab(), according to the Word/phrase/idiom for person who is no longer deceived A weird and spooky clock Dealing with a nasty recruiter Right inverse of f(x)= x² that is not sqrt(x) or -sqrt(x) Why can't I played with quirks parametrs and set outfmt=mjpeg in mplayer, but have this error again.