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The JAVE (Java Audio Video Encoder) library is Java wrapper on the ffmpeg project. Developers can take take advantage of JAVE2 to transcode audio and video files from a format to another. In example you can transcode an AVI file to a MPEG one, you can change a DivX video stream into a (youtube like) Flash FLV one, you can convert a WAV audio file to a MP3 or a Ogg Vorbis one, you can separate and transcode audio and video tracks, you can resize videos, changing their sizes and proportions and so on. Many other formats, containers and operations are supported by JAVE2.

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/*
 * JAVE - A Java Audio/Video Encoder (based on FFMPEG)
 * 
 * Copyright (C) 2008-2009 Carlo Pelliccia (www.sauronsoftware.it)
 * 
 * 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 3 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, see .
 */
package ws.schild.jave;

/**
 * Abstract class whose derived concrete instances are used by {@link Encoder}
 * to locate the ffmpeg executable path.
 *
 * @author Carlo Pelliccia
 * @see Encoder
 */
public abstract class FFMPEGLocator {

    /**
     * This method should return the path of a ffmpeg executable suitable for
     * the current machine.
     *
     * @return The path of the ffmpeg executable.
     */
    protected abstract String getFFMPEGExecutablePath();

    /**
     * It returns a brand new {@link FFMPEGExecutor}, ready to be used in a
     * ffmpeg call.
     *
     * @return A newly instanced {@link FFMPEGExecutor}, using this locator to
     * call the ffmpeg executable.
     */
    FFMPEGExecutor createExecutor() {
        return new FFMPEGExecutor(getFFMPEGExecutablePath());
    }

}