ChannelConfiguration.java

/*
 *  Copyright (C) 2011 in-somnia
 * 
 *  This file is part of JAAD.
 * 
 *  JAAD is free software; you can redistribute it and/or modify it 
 *  under the terms of the GNU Lesser General Public License as 
 *  published by the Free Software Foundation; either version 3 of the 
 *  License, or (at your option) any later version.
 *
 *  JAAD 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 Lesser General 
 *  Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library.
 *  If not, see <http://www.gnu.org/licenses/>.
 */
package net.sourceforge.jaad.aac;

/**
 * All possible channel configurations for AAC.
 * @author in-somnia
 */
public enum ChannelConfiguration {

	CHANNEL_CONFIG_UNSUPPORTED(-1, "invalid"),
	CHANNEL_CONFIG_NONE(0, "No channel"),
	CHANNEL_CONFIG_MONO(1, "Mono"),
	CHANNEL_CONFIG_STEREO(2, "Stereo"),
	CHANNEL_CONFIG_STEREO_PLUS_CENTER(3, "Stereo+Center"),
	CHANNEL_CONFIG_STEREO_PLUS_CENTER_PLUS_REAR_MONO(4, "Stereo+Center+Rear"),
	CHANNEL_CONFIG_FIVE(5, "Five channels"),
	CHANNEL_CONFIG_FIVE_PLUS_ONE(6, "Five channels+LF"),
	CHANNEL_CONFIG_SEVEN_PLUS_ONE(8, "Seven channels+LF");

	public static ChannelConfiguration forInt(int i) {
		ChannelConfiguration c;
		switch(i) {
			case 0:
				c = CHANNEL_CONFIG_NONE;
				break;
			case 1:
				c = CHANNEL_CONFIG_MONO;
				break;
			case 2:
				c = CHANNEL_CONFIG_STEREO;
				break;
			case 3:
				c = CHANNEL_CONFIG_STEREO_PLUS_CENTER;
				break;
			case 4:
				c = CHANNEL_CONFIG_STEREO_PLUS_CENTER_PLUS_REAR_MONO;
				break;
			case 5:
				c = CHANNEL_CONFIG_FIVE;
				break;
			case 6:
				c = CHANNEL_CONFIG_FIVE_PLUS_ONE;
				break;
			case 7:
			case 8:
				c = CHANNEL_CONFIG_SEVEN_PLUS_ONE;
				break;
			default:
				c = CHANNEL_CONFIG_UNSUPPORTED;
				break;
		}
		return c;
	}
	private final int chCount;
	private final String descr;

	private ChannelConfiguration(int chCount, String descr) {
		this.chCount = chCount;
		this.descr = descr;
	}

	/**
	 * Returns the number of channels in this configuration.
	 */
	public int getChannelCount() {
		return chCount;
	}

	/**
	 * Returns a short description of this configuration.
	 * @return the channel configuration's description
	 */
	public String getDescription() {
		return descr;
	}

	/**
	 * Returns a string representation of this channel configuration.
	 * The method is identical to <code>getDescription()</code>.
	 * @return the channel configuration's description
	 */
	@Override
	public String toString() {
		return descr;
	}
}