Comment by xamox for Sounds like your camera device /dev/video0 is...
Alas, I got quite excited as I thought this may fix it, but still getting NULL when trying to capture even with sudo.
View ArticleAnswer by Tõnu Samuel for I have tried to build the example but am getting a...
Sounds like your camera device /dev/video0 is inaccessible to non-root users. Try to run with sudo.
View ArticleAnswer by xamox for I have tried to build the example but am getting a NULL...
Okay, this appears to be working with OpenCV 2.4.2. Not sure what I was doing differently before, verified for 2.3 I run: sudo make uninstall before 2.4 running: sudo make install So maybe something...
View ArticleAnswer by blackgk for I have tried to build the example but am getting a NULL...
Try to install some/all packages from: http://opencv.willowgarage.com/wiki/InstallGuide> "(Optional) ffmpeg, libgstreamer,> libv4l, libxine, unicap, libdc1394> 2.x.>> You should have...
View ArticleComment by VedMathai for I have tried to build the example but am getting a...
Exactly the same problem I am facing- Cheese and Skype are able to recognize the camera but the sample code is not.
View ArticleCamera is not working in OpenCV on Ubuntu 12.04 with version 2.3.1 or 2.4.2
I have tried to build the example but am getting a NULL when trying to capture the device. Feel free to grab my code here at test for yourself:...
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