Installing V4l4j

In Ubuntu (or Debian-Like):

You can follow the v4l4j walkthrough http://code.google.com/p/v4l4j/wiki/DebianInstall.

In Fedora:

Install the necessary libraries:

sudo yum -y install ant gcc libjpeg-turbo-devel libv4l-devel java*devel

Clone the v4l4j SVN repository:

svn co http://v4l4j.googlecode.com/svn/v4l4j/trunk v4l4j

Set the JDK_HOME variable (do not use JAVA_HOME)

export JDK_HOME=/usr/lib/jvm/java

The java folder usually points to your current java version

Build the library from source

cd v4l4j/trunk

ant all

The last command is necessary to compile and install libvideo

Build only the (.so) library from source

sudo ant jnilib

Hint

If you get the jni.h not found error using V4l4j, check your JDK_HOME variable.

If you need libjpeg8.so.8 file, download it from https://github.com/maciej-c/libjpeg8x64