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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.info;

/**
 * Instances of this class report informations about an audio stream that can be decoded.
 *
 * @author Carlo Pelliccia
 */
public class AudioInfo {

  /** The audio stream decoder name. */
  private String decoder;

  /** The audio stream sampling rate. If less than 0, this information is not available. */
  private int samplingRate = -1;

  /**
   * The audio stream channels number (1=mono, 2=stereo). If less than 0, this information is not
   * available.
   */
  private int channels = -1;

  /** The audio stream (average) bit rate. If less than 0, this information is not available. */
  private int bitRate = -1;

  /**
   * Returns the audio stream decoder name.
   *
   * @return The audio stream decoder name.
   */
  public String getDecoder() {
    return decoder;
  }

  /**
   * Sets the audio stream decoder name.
   *
   * @param format The audio stream format name.
   * @return this instance
   */
  public AudioInfo setDecoder(String format) {
    this.decoder = format;
    return this;
  }

  /**
   * Returns the audio stream sampling rate. If less than 0, this information is not available.
   *
   * @return The audio stream sampling rate.
   */
  public int getSamplingRate() {
    return samplingRate;
  }

  /**
   * Sets the audio stream sampling rate.
   *
   * @param samplingRate The audio stream sampling rate.
   * @return this instance
   */
  public AudioInfo setSamplingRate(int samplingRate) {
    this.samplingRate = samplingRate;
    return this;
  }

  /**
   * Returns the audio stream channels number (1=mono, 2=stereo). If less than 0, this information
   * is not available.
   *
   * @return the channels The audio stream channels number (1=mono, 2=stereo).
   */
  public int getChannels() {
    return channels;
  }

  /**
   * Sets the audio stream channels number (1=mono, 2=stereo).
   *
   * @param channels The audio stream channels number (1=mono, 2=stereo).
   * @return this instance
   */
  public AudioInfo setChannels(int channels) {
    this.channels = channels;
    return this;
  }

  /**
   * Returns the audio stream (average) bit rate. If less than 0, this information is not available.
   *
   * @return The audio stream (average) bit rate.
   */
  public int getBitRate() {
    return bitRate;
  }

  /**
   * Sets the audio stream (average) bit rate.
   *
   * @param bitRate The audio stream (average) bit rate.
   * @return this instance
   */
  public AudioInfo setBitRate(int bitRate) {
    this.bitRate = bitRate;
    return this;
  }

  @Override
  public String toString() {
    return getClass().getName()
        + " (decoder="
        + decoder
        + ", samplingRate="
        + samplingRate
        + ", channels="
        + channels
        + ", bitRate="
        + bitRate
        + ")";
  }
}