AVProfile.java

/*
 * JBoss, Home of Professional Open Source
 * Copyright 2011, Red Hat, Inc. and individual contributors
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.restcomm.media.sdp.format;

import org.restcomm.media.spi.format.AudioFormat;
import org.restcomm.media.spi.format.FormatFactory;
import org.restcomm.media.spi.utils.Text;

/**
 *
 * @author kulikov
 */
public class AVProfile {
	public final static Text AUDIO = new Text("audio");
	public final static Text VIDEO = new Text("video");
	
	public final static int telephoneEventsID=101;
	public final static int telephoneEvent126=126;
    public final static AudioFormat telephoneEvent = FormatFactory.createAudioFormat("telephone-event", 8000);
    static {
        telephoneEvent.setOptions(new Text("0-15"));
    }
    public final static RTPFormats audio = new RTPFormats();
    public final static RTPFormats video = new RTPFormats();
    public final static RTPFormats application = new RTPFormats();
    
    private final static RTPFormat pcmu = new RTPFormat(0, FormatFactory.createAudioFormat("pcmu", 8000, 8, 1), 8000);
    private final static RTPFormat pcma = new RTPFormat(8, FormatFactory.createAudioFormat("pcma", 8000, 8, 1), 8000);
    private final static RTPFormat gsm = new RTPFormat(3, FormatFactory.createAudioFormat("gsm", 8000), 8000);
    private final static RTPFormat g729 = new RTPFormat(18, FormatFactory.createAudioFormat("g729", 8000), 8000);
    private final static RTPFormat l16 = new RTPFormat(97, FormatFactory.createAudioFormat("l16", 8000, 16, 1), 8000);    
    private final static RTPFormat dtmf = new RTPFormat(telephoneEventsID, telephoneEvent, 8000);
    private final static RTPFormat dtmf126 = new RTPFormat(telephoneEvent126, telephoneEvent, 8000);
    private final static RTPFormat ilbc = new RTPFormat(102, FormatFactory.createAudioFormat("ilbc", 8000, 16, 1), 8000);
    private final static RTPFormat linear = new RTPFormat(150, FormatFactory.createAudioFormat("linear", 8000, 16, 1), 8000);

    private final static RTPFormat H261 = new RTPFormat(45, FormatFactory.createVideoFormat("h261"));
    private final static RTPFormat H263 = new RTPFormat(34, FormatFactory.createVideoFormat("h263"));
    private final static RTPFormat MP4V_ES = new RTPFormat(96, FormatFactory.createVideoFormat("mp4v-es"));

    static {
        audio.add(pcma);
        audio.add(pcmu);
        audio.add(gsm);
        audio.add(g729);
        audio.add(l16);
        audio.add(ilbc);
        audio.add(dtmf);
        audio.add(dtmf126);
    }

    static {
        video.add(H261);
        video.add(H263);
        video.add(MP4V_ES);
    }
    
    public static RTPFormat getFormat(int p) {    	
        RTPFormat res = audio.find(p);
        return res == null ? video.find(p) : res;
    }    
    
    public static RTPFormat getFormat(int p,Text mediaType) {
    	RTPFormat res=null;
    	if(mediaType.equals(AUDIO)) {
    		res = audio.find(p);    		
    	} else if(mediaType.equals(VIDEO)) {
    		res = video.find(p);    		
    	}
    	return res;
    }
    
    public static boolean isDtmf(RTPFormat format) {
        if(format == null) {
            return false;
        }
        return dtmf.getID() == format.getID() || dtmf126.getID() == format.getID();
    }

    public static boolean isDefaultDtmf(RTPFormat format) {
        if(format == null) {
            return false;
        }
        return dtmf.getID() == format.getID();
    }
}