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From "Richard S. Hall" <he...@ungoverned.org>
Subject Re: Felix and VLC
Date Thu, 12 Jun 2014 15:50:19 GMT

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.

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

-> richard

> 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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