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Pure Java implementation of video/audio codecs and formats

There is a newer version: 0.2.5

package net.sourceforge.jaad.aac;

/**
 * This class is part of JAAD ( jaadec.sourceforge.net ) that is distributed
 * under the Public Domain license. Code changes provided by the JCodec project
 * are distributed under FreeBSD license.
 * 
 * The SampleBuffer holds the decoded AAC frame. It contains the raw PCM data
 * and its format.
 * @author in-somnia
 */
public class SampleBuffer {

	private int sampleRate, channels, bitsPerSample;
	private double length, bitrate, encodedBitrate;
	private byte[] data;
	private boolean bigEndian;

	public SampleBuffer() {
		data = new byte[0];
		sampleRate = 0;
		channels = 0;
		bitsPerSample = 0;
		bigEndian = true;
	}

	/**
	 * Returns the buffer's PCM data.
	 * @return the audio data
	 */
	public byte[] getData() {
		return data;
	}

	/**
	 * Returns the data's sample rate.
	 * @return the sample rate
	 */
	public int getSampleRate() {
		return sampleRate;
	}

	/**
	 * Returns the number of channels stored in the data buffer.
	 * @return the number of channels
	 */
	public int getChannels() {
		return channels;
	}

	/**
	 * Returns the number of bits per sample. Usually this is 16, meaning a
	 * sample is stored in two bytes.
	 * @return the number of bits per sample
	 */
	public int getBitsPerSample() {
		return bitsPerSample;
	}

	/**
	 * Returns the length of the current frame in seconds.
	 * length = samplesPerChannel / sampleRate
	 * @return the length in seconds
	 */
	public double getLength() {
		return length;
	}

	/**
	 * Returns the bitrate of the decoded PCM data.
	 * bitrate = (samplesPerChannel * bitsPerSample) / length
	 * @return the bitrate
	 */
	public double getBitrate() {
		return bitrate;
	}

	/**
	 * Returns the AAC bitrate of the current frame.
	 * @return the AAC bitrate
	 */
	public double getEncodedBitrate() {
		return encodedBitrate;
	}

	/**
	 * Indicates the endianness for the data.
	 * 
	 * @return true if the data is in big endian, false if it is in little endian
	 */
	public boolean isBigEndian() {
		return bigEndian;
	}

	/**
	 * Sets the endianness for the data.
	 * 
	 * @param bigEndian if true the data will be in big endian, else in little 
	 * endian
	 */
	public void setBigEndian(boolean bigEndian) {
		if(bigEndian!=this.bigEndian) {
			byte tmp;
			for(int i = 0; i