Re: Felix and VLC

[Erik Jansman]

Hello,




Regards,

Erik
On 12-6-2014 17:50, Richard S. Hall wrote:

Thanks for that pointer, the packages wasn't in the bundle in the correct way. Fixing it also fixed the problem.

On 6/12/14, 03:39 , Erik Jansman wrote:

Hello,

For a project I'm working on creating a VLC bundle in Felix. I'm
starting to wonder if trying to get VLC in a bundle is the right choice.

I'm running into what appears to be an import/export package problem.
VLC needs the uk.co.caprica.vlcj.binding package. So I have added it
both to the import and export-package in the MANIFEST.MF.

-> richard

Does your bundle contain this package? If not, it should only import it, not export it.

When I try to
run a very small test, getting the version of VLC, I get a
/java.lang.NoClassDefFoundError: uk/co/caprica/vlcj/binding/LibVlc
error/ and according to Intellij this is Caused
by:/java.lang.ClassNotFoundException: *** Class
'uk.co.caprica.vlcj.binding.LibVlc' was not found because bundle
VideoActuator [7] does not import 'uk.co.caprica.vlcj.binding' /I find
this error strange since my manifest does import the package.

Just to try it I have added another uk.co.caprica.vlcj.binding to the
import field, this generates a duplicate import error, which does make
sense since it's already imported.

Am I overlooking something or should I proceed in a different way and
not use VLC in a bundle at all?

Below are the manifest and the source code of my test

Regards,

Erik Jansman

MANIFEST.MF:
Manifest-Version: 1.0
Bundle-Activator: VideoActuatorActivator
Bundle-ManifestVersion: 2
Bundle-Name: VideoActuator
Bundle-SymbolicName: VideoActuator
Bundle-Version: 1.0.0
Export-Package: uk.co.caprica.vlcj.binding
Import-Package: org.osgi.framework,uk.co.caprica.vlcj.binding

VideoActuatorActivator.java:
import com.sun.jna.Native;
import org.osgi.framework.BundleActivator;
import org.osgi.framework.BundleContext;
import uk.co.caprica.vlcj.binding.LibVlc;
import uk.co.caprica.vlcj.version.LibVlcVersion;

/**
  * Created by ejansman on 12/05/14.
  */
public class VideoActuatorActivator implements BundleActivator {


     public void start(BundleContext Context){

         System.out.println(" started VideoPlayerImplementation");
         loadVLClibs();

     }

     private void loadVLClibs() {
         Native.loadLibrary("libvlc", LibVlc.class);
         LibVlcVersion.getVersion();
     }

     public void stop (BundleContext Context){

     }

   }

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