jmfclassloader.java

编辑视频文件

/*
 * File:     JMFClassLoader.java
 * Project:  MPI Linguistic Application
 * Date:     02 May 2007
 *
 * Copyright (C) 2001-2007  Max Planck Institute for Psycholinguistics
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package mpi.eudico.client.annotator.player;


/**
 * Created on Feb 12, 2004
 *
 * @author Alexander Klassmann
 * @version Feb 12, 2004
 */
public class JMFClassLoader {
    /**
     * this method MUST BE CALLED BEFORE any JMF init/opertions can be used
     * this is because of a bug/feature ??? in the Webstart class laoder that
     * causes jni libs to be ignored unless loaded by hand.. added by gng Apr
     * 14 2003 - moved from MediaAligmentTool
     */
    public static final void initJMFJNI() {
        System.out.println("current library path:");
        System.out.println(System.getProperty("java.library.path"));

        // if PCM audio only (not mp3) we do not need to load dll/so's
        String prop = System.getProperty(DetectMediaFrameworks.FRAMEWORK);

        if (prop != null) {
            if (prop.equals(DetectMediaFrameworks.STR_JMF_AUDIO)) {
                prop = null;

                return;
            }

            prop = null;
        }

        try {
            if (System.getProperty("os.name").startsWith("Windows")) {
                /* ... for windows */
                System.out.println("loading windows native libs");
                System.loadLibrary("jmutil");
                System.loadLibrary("jmmpegv");
                System.loadLibrary("jmddraw");
                System.loadLibrary("jmam");

                // GNG:May-15-2003 Removed due to jsound superseeding jmf.jar
                // in smb resolution
                //	System.loadLibrary("jsound");
                System.loadLibrary("jmdaud");
                System.loadLibrary("jmacm");
                System.loadLibrary("jmcvid");
                System.loadLibrary("jmgdi");
                System.loadLibrary("jmgsm");
                System.loadLibrary("jmh261");
                System.loadLibrary("jmjpeg");
                System.loadLibrary("jmmpa");
                System.loadLibrary("jmvcm");
                System.loadLibrary("jmvh263");
            } else if (System.getProperty("os.name").startsWith("Linux")) {
                System.out.println("loading Linux native libs...");
                System.loadLibrary("jmutil");
                System.out.println("jmutil loaded");
                System.loadLibrary("jawt");
                System.out.println("jawt loaded");
                System.loadLibrary("jmmpx");
                System.out.println(".");
                System.loadLibrary("jmcvid");
                System.out.println(".");
                System.loadLibrary("jmdaud");
                System.out.println(".");
                System.loadLibrary("jmg723");
                System.out.println(".");
                System.loadLibrary("jmgsm");
                System.out.println(".");
                System.loadLibrary("jmh261");
                System.out.println(".");
                System.loadLibrary("jmh263enc");
                System.out.println(".");
                System.loadLibrary("jmjpeg");
                System.out.println(".");
                System.loadLibrary("jmsound");
                System.out.println(".");
                System.loadLibrary("jmxlib");
                System.out.println(".");
                System.loadLibrary("jmmpegv");
                System.out.println("jmmpegv loaded");
                System.loadLibrary("jmmpa");
                System.out.println(".");
            } else if (System.getProperty("os.name").startsWith("SunOS")) {
                System.loadLibrary("jmg723");
                System.loadLibrary("jmmpa");
                System.loadLibrary("jmutil");
                System.loadLibrary("jmcvid");
                System.loadLibrary("jmgsm");
                System.loadLibrary("jmmpegv");
                System.loadLibrary("jmvh263");
                System.loadLibrary("jmdaud");
                System.loadLibrary("jmh261");
                System.loadLibrary("jmmpx");
                System.loadLibrary("jmxil");
                System.loadLibrary("CvidPro");
                System.loadLibrary("jmfCVIDPro");
                System.loadLibrary("jmh263enc");

                //			System.loadLibrary("jmopi");
                System.loadLibrary("jmxlib");
                System.loadLibrary("jmfjawt");
                System.loadLibrary("jmjpeg");

                //	System.loadLibrary("jmsunray");
                System.loadLibrary("jsound");
            }
        } catch (java.lang.UnsatisfiedLinkError e) {
            System.err.println(
                "Warning: Unable to load a dll or Sharedobject: " +
                e.getMessage());
        }
    }
}