The VideoLAN Forums

Posted: **20 Sep 2008 08:43**

Hi ,

I download jvlc-core-0.9.0-SNAPSHOT-20080727.jar from http://trac.videolan.org/jvlc/wiki/download

I have installed VLC 0.9.2 , i try to do a test but i can't get it work

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java -classpath jvlc-core-0.9.0-SNAPSHOT-20080727.jar -Djna.library.path="C:/Program Files/VideoLAN
/VLC/plugins" org.videolan.jvlc.example.VLCExample
== Starting VLCExample ==
Creating a JVLC instance without argsException in thread "main" java.lang.Unsati
sfiedLinkError: Unable to load library 'libvlc': No se puede encontrar el m¾dulo
 especificado.

        at com.sun.jna.NativeLibrary.loadLibrary(NativeLibrary.java:114)
        at com.sun.jna.NativeLibrary.getInstance(NativeLibrary.java:157)
        at com.sun.jna.Library$Handler.<init>(Library.java:123)
        at com.sun.jna.Native.loadLibrary(Native.java:260)
        at com.sun.jna.Native.loadLibrary(Native.java:246)
        at org.videolan.jvlc.internal.LibVlc.<clinit>(LibVlc.java:41)
        at org.videolan.jvlc.JVLC.<init>(JVLC.java:45)
        at org.videolan.jvlc.example.VLCExample.main(VLCExample.java:29)

Posted: **20 Sep 2008 13:15**

you have a path problem. run it from "C:/Program Files/VideoLAN/VLC/"

Posted: **20 Sep 2008 17:31**

I copy jvlc-core-0.9.0-SNAPSHOT-20080727.jar in same directory as VLC and i get this :

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== Starting VLCExample ==
Creating a JVLC instance without args[00000001] main libvlc debug: VLC media pla
yer - version 0.9.2 Grishenko - (c) 1996-2008 the VideoLAN team
[00000001] main libvlc debug: libvlc was configured with ./configure  '--host=i5
86-mingw32msvc' '--build=i386-linux' '--enable-mkv' '--enable-release' '--withou
t-contrib' '--enable-nls' '--enable-shared-libvlc' '--enable-update-check' '--en
able-lua' '--enable-faad' '--enable-flac' '--enable-theora' '--enable-twolame' '
--enable-quicktime' '--enable-real' '--enable-realrtsp' '--enable-ffmpeg' '--wit
h-ffmpeg-mp3lame' '--with-ffmpeg-faac' '--with-ffmpeg-config-path=/usr/win32/bin
' '--with-ffmpeg-zlib' '--enable-live555' '--with-live555-tree=/usr/win32/live.c
om' '--ena
[00000001] main libvlc debug: translation test: code is "C"
[00000001] main libvlc error: no memcpy module matched "any"
[00000007] main access error: no access module matched "file"
[00000006] main input error: open of `file/xspf-open://C:\Documents and Settings
\user\Datos de programa\vlc\ml.xspf' failed: could not create access: no access mo
dule matched "file"
[00000010] main interface error: no interface module matched "hotkeys,none"
[00000010] main interface error: no suitable interface module
[00000001] main libvlc error: interface "hotkeys,none" initialization failed
... done.
[00000013] main access error: no access module matched "any"
[00000011] main input error: open of `/home/carone/apps/a.avi' failed: could not
 create access: no access module matched "any"
log4j:WARN No appenders could be found for logger (org.videolan.jvlc.event.Media
PlayerCallback).
log4j:WARN Please initialize the log4j system properly.
An error has occurred.

How to use jvlc-core-0.9.0-SNAPSHOT-20080727.jar in other path ? And as library in Eclipse or Netbeans?

Thanks.

Posted: **20 Sep 2008 22:40**

if you use netbeans, set:
project properties/run/working directory to "C:\Program Files\VideoLAN\VLC\"
and vm options to -Djna.library.path="C:/Program Files/VideoLAN/VLC/plugins"

(in eclipse is really the same)

Posted: **22 Sep 2008 16:26**

Gonzalez,

You can also run the command:
NativeLibrary.addSearchPath("libvlc", PATH_WHERE_THE_JVLC_DLLS_ARE);
NativeLibrary.addSearchPath("jvlc", PATH_WHERE_THE_JVLC_DLLS_ARE);

But you'll proably get the same problem as me.
The "original" vlc binaries doesn't seem compatible with JVLC, which requires the jvlc.dll and a libvlc.dll that appears to be VERY different from the one that comes with VLC, as the libvlc that comes with VLC has ~ 100KB and the libvlc.dll that comes with the JVLC version I have has ~ 1,6 MB.

Right now I gave up finding a pair of jvlc_jar / jvlc_dlls (or .so) and I'm trying to build a previous version of vlc under Linux on my own, but still no success...
viewtopic.php?f=2&t=50351

Posted: **22 Sep 2008 21:44**

othon200,

i downloaded a fresh install of vlc for windows (http://www.videolan.org/mirror-geo.php? ... -win32.exe) and it works with those jvlc.jar which i compiled from git source. without any dll. theres is no jvlc.dll (what is it?)

maybe you are need a complete, buildable, working example of jvlc? if i have a little time, i can give to you

Posted: **24 Sep 2008 11:45**

Hello,

I'm having similar problems making this thing run at all.

All the files I've downloaded I can't seem to make them run with java... (I'm using JDK 1.5.0_16, for project compatibility reasons).

The only zip that somewhat worked is the jvlc-binary-windows-x86-20070310.zip, which came with a vlc.exe file that brought up a command line interface.

I would really appreciate some help in this matter, there are a handful of people that seem to have gotten jVLC up and running.

I know it's a lot to ask, but maybe if we trade the information we can create a step by step guide for future reference.

What I noticed in the zips and tars I've downloaded is that most of the documentation is outdated (some win32 versions have a README that says that jVLC doesn't work under windows).

My main goal is to get it up and running under Linux, so if it won't work that's ok.

My specs: Ubuntu 8.04.1 Hardy, JDK 1.5.0_16, VLC 0.9.2, jVLC (0.0.8 and 0.0.9, both binary and source files).

Any help is greatly appreaciated.

Best Regards,
Fabio

Posted: **24 Sep 2008 21:48**

Any solutions to make JVLC works?

Posted: **26 Sep 2008 23:45**

It does work on windows, but as xyber mentioned you have to adjust your path to enable jvlc/jna to find the libvlc libaries and you need to specify the path to the plugins' dir, to enable libvlc to find the plugins. Setting -Djna.library.path does not work for me.

To run the example from a console:

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set PATH=%PATH%;path\to\vlc
java -cp jvlc-snapshot[...].jar org.videolan.example.VLCExample --plugins-path="path\to\vlc\plugins"

In Eclipse you can add the path to run configuration in the enviroment tab and again you need to pass --plugins-path to the JVLC Consturctor.

Posted: **29 Sep 2008 20:38**

as i promised here is a working example: http://xyber.abt.googlepages.com/workingjvlcexample enjoy ;-)

Posted: **29 Sep 2008 21:03**

as i promised here is a working example: http://xyber.abt.googlepages.com/workingjvlcexample enjoy

It works. I will take look at source code to learn how to make it works.

Thanks.

Posted: **29 Sep 2008 23:18**

You can also run the command:
NativeLibrary.addSearchPath("libvlc", PATH_WHERE_THE_JVLC_DLLS_ARE);
NativeLibrary.addSearchPath("jvlc", PATH_WHERE_THE_JVLC_DLLS_ARE);

I put this code inside the VLC example and doesn't work and also try System.setProperty("jna.library.path",PATH_WHERE_THE_JVLC_DLLS_ARE) and i get

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java.lang.UnsatisfiedLinkError: Unable to load library 'libvlc'

It only works if i set working directory in Netbeans project , Is there any way to set jna library search path dinamically?

Posted: **30 Sep 2008 01:10**

i posted a jvlc how to some time ago already... viewtopic.php?f=14&t=47912

still: great work, everybody back up that example rar.

unsatisfied link means path is wrong or some other environment problem.

Posted: **30 Sep 2008 04:25**

[moved to own post]

Posted: **30 Sep 2008 15:49**

as i promised here is a working example: http://xyber.abt.googlepages.com/workingjvlcexample enjoy

I see that if you open a video file , then stops and open other video file , the VLC example always play the same video file (the first you choose).

Any way to play the other file?

Posted: **30 Sep 2008 16:28**

You could construct a playlist. This is not exists in my example. I don't have time now for to do this because i'm working for money ;-)

Posted: **23 Feb 2009 06:44**

you have a path problem. run it from "C:/Program Files/VideoLAN/VLC/"

I've tried "--plugin-path=D:\" and "--plugin-path=D:/". The libvlc.dll is in the D:\ folder. And I still get the UnsatisfiedLinkError, unable to get the library 'libvlc' loaded.

Running WinXP, Eclipse 3.4.1. Help? Thanks.

Posted: **23 Feb 2009 16:43**

I have exactly your stats. The solution? add the path to the VLC folder (in program files) to the system-variable %PATH%. Go to run configuration in eclipse, environment, select variable path and add

;c:/program files/Videolan/VLC

or something to it at the end. This is a quick scratch of how to do it...

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