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• java.lang.UnsatifiedLinkError : no jniavutil in java.library.path using JavaCV FFmpegFrameGrabber

  31 mars 2015, par Noah Lutz

  I’m writing a program that is using JavaCV to grab frames from a stream. Its trying to use FFmpegFrameGrabber to capture the frames but when I try to run it, I get an UnsatisfiedLinkError.

  Here is the code :

  FrameGrabber frameGrabber;
  
      try{
  
          frameGrabber = new FFmpegFrameGrabber("http://devimages.apple.com/iphone/samples/bipbop/bipbopall.m3u8");
  
          frameGrabber.start();
  
  
  
          while(true){
  
              video.addFrame(new Frame(frameGrabber.grab()));
  
              System.out.println(video.getLength());
  
          }
  
      }catch(Exception e){
  
          e.printStackTrace();
  
      }

  And here is the stack trace :

  Exception in thread "Thread-0" java.lang.UnsatisfiedLinkError: no jniavutil in java.library.path
  
      at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1857)
  
      at java.lang.Runtime.loadLibrary0(Runtime.java:870)
  
      at java.lang.System.loadLibrary(System.java:1119)
  
      at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:535)
  
      at org.bytedeco.javacpp.Loader.load(Loader.java:410)
  
      at org.bytedeco.javacpp.Loader.load(Loader.java:353)
  
      at org.bytedeco.javacpp.avutil.<clinit>(avutil.java:10)
  
      at java.lang.Class.forName0(Native Method)
  
      at java.lang.Class.forName(Class.java:344)
  
      at org.bytedeco.javacpp.Loader.load(Loader.java:385)
  
      at org.bytedeco.javacpp.Loader.load(Loader.java:353)
  
      at org.bytedeco.javacpp.avcodec.<clinit>(avcodec.java:12)
  
      at org.bytedeco.javacv.FFmpegFrameGrabber.<clinit>(FFmpegFrameGrabber.java:103)
  
      at com.noahlutz.gopro.GoProDVR.run(GoProDVR.java:23)
  
      at java.lang.Thread.run(Thread.java:745)
  
  Caused by: java.lang.UnsatisfiedLinkError: /private/var/folders/4q/tw0nqgpn4cv2q7yr052_szh00000gn/T/javacpp104085411945039/libjniavutil.dylib: dlopen(/private/var/folders/4q/tw0nqgpn4cv2q7yr052_szh00000gn/T/javacpp104085411945039/libjniavutil.dylib, 1): Library not loaded: @rpath/libavutil.52.dylib
  
    Referenced from: /private/var/folders/4q/tw0nqgpn4cv2q7yr052_szh00000gn/T/javacpp104085411945039/libjniavutil.dylib
  
    Reason: no suitable image found.  Did find:
  
      /private/var/folders/4q/tw0nqgpn4cv2q7yr052_szh00000gn/T/javacpp104085411945039/./libavutil.52.dylib: malformed mach-o image: load command #16 length (0) too small in /private/var/folders/4q/tw0nqgpn4cv2q7yr052_szh00000gn/T/javacpp104085411945039/./libavutil.52.dylib
  
      at java.lang.ClassLoader$NativeLibrary.load(Native Method)
  
      at java.lang.ClassLoader.loadLibrary0(ClassLoader.java:1929)
  
      at java.lang.ClassLoader.loadLibrary(ClassLoader.java:1814)
  
      at java.lang.Runtime.load0(Runtime.java:809)
  
      at java.lang.System.load(System.java:1083)
  
      at org.bytedeco.javacpp.Loader.loadLibrary(Loader.java:524)
  
      ... 11 more
  
  
  
  Process finished with exit code 0
  
  </clinit></clinit></clinit>

  I have both OpenCV and FFmpeg installed and I followed the instructions for the manual installation of JavaCV on their github page.

  Thanks for your help.

• Anomalie #3588 (Nouveau) : log remplis par @apc_delete_file()

  10 novembre 2015, par nico d

  Hello,

  sur un site au traffic assez important, je viens de voir que j’ai un error.log qui se remplit extrêmement vite de warnings :

  [apc-warning] Could not stat file /var/www/..., unable to delete from cache. in /var/www/touleco3/ecrire/inc/flock.php on line 329.

  A tel point que je suis obligé de commenter ligne 329 @apc_delete_file()

  https://core.spip.net/projects/spip/repository/entry/branches/spip-3.0/ecrire/inc/flock.php#L329

  J’ai découvert ça récemment par hasard, le site était en 3.0.20, je viens de mettre à jour en 3.0.21, toujours pareil.

  Il y a une rotation des logs sur le serveur (rotation sur une semaine avec 52 archives), et visiblement error.log grossit énormément à partir de la semaine du 5 au 12 juillet, soit juste après une mise à jour en 3.0.20

• Attempting to Process.Start("ffmpeg.exe") ; unhandled exception [duplicate]

  7 janvier 2016, par hallwayRaptor

  This question already has an answer here :

  • Can Process.Start() take the system PATH into account ?
    
    7 answers
    

  I’m attempting to create a Windows Forms Application that will

  Process.Start("ffmpeg.exe");

  I’ve added the path (C :\Program Files (x86)\ffmpeg\bin) in the environment variables in Windows, and I can launch ffmpeg from anywhere in the CMD prompt with just ffmpeg or ffmpeg.exe.

  When I change the line to open something else that I’ve added to the environment variables manually such as Livestreamer the application launches no problem.

  It’s driving me crazy trying to figure out why this particular executable won’t launch when others that have been added the exact same way launch without problem.

  An unhandled exception of type ’System.ComponentModel.Win32Exception’
  occurred in System.dll