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📄 mediamanager.java

📁 jtapi for telephone
💻 JAVA
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/* ====================================================================
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2000 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Apache" and "Apache Software Foundation" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache",
 *    nor may "Apache" appear in their name, without prior written
 *    permission of the Apache Software Foundation.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * Large portions of this software are based upon public domain software
 * https://sip-communicator.dev.java.net/
 *
 */
package net.sourceforge.gjtapi.raw.sipprovider.media;

import net.sourceforge.gjtapi.raw.sipprovider.media.event.MediaErrorEvent;
import net.sourceforge.gjtapi.raw.sipprovider.media.event.MediaListener;
import net.sourceforge.gjtapi.raw.sipprovider.common.Console;
import net.sourceforge.gjtapi.raw.sipprovider.common.Utils;
import java.io.*;
import java.net.*;
import java.util.*;
import javax.media.*;
import javax.media.format.*;
import javax.media.protocol.*;
import javax.sdp.*;
import net.sourceforge.gjtapi.raw.sipprovider.media.event.MediaEvent;
import net.sourceforge.gjtapi.raw.sipprovider.common.NetworkAddressManager;
import javax.media.rtp.RTPManager;
import javax.media.rtp.SessionAddress;

import java.io.*;
import java.net.*;
import java.util.*;
import javax.media.*;
import javax.media.control.*;
import javax.media.format.*;
import javax.media.protocol.*;
import javax.sdp.*;



/**
 * <p>Title: SIP COMMUNICATOR</p>
 * <p>Description:JAIN-SIP Audio/Video phone application</p>
 * <p>Copyright: Copyright (c) 2003</p>
 * <p>Organisation: LSIIT laboratory (http://lsiit.u-strasbg.fr) </p>
 * <p>Network Research Team (http://www-r2.u-strasbg.fr))</p>
 * <p>Louis Pasteur University - Strasbourg - France</p>
 * <p>Division Chief: Thomas Noel </p>
 * @author Emil Ivov (http://www.emcho.com)
 * @version 1.1
 *
 */
public class MediaManager
implements Serializable
{
    protected static Console console = Console.getConsole(MediaManager.class);
    protected ArrayList listeners = new ArrayList();
    protected Vector avTransmitters = new Vector();
    protected AVReceiver avReceiver;
    protected SdpFactory sdpFactory;
    protected ProcessorUtility procUtility = new ProcessorUtility();
    //media devices
    protected CaptureDeviceInfo audioDevice = null;
    protected CaptureDeviceInfo videoDevice = null;
    //Sdp Codes of all formats supported for
    //transmission by the selected datasource
    
    protected ArrayList transmittableAudioFormats = new ArrayList();
    //Sdp Codes of all formats that we can receive
    //i.e.  all formats supported by JMF
    protected String[] receivableVideoFormats = new String[]
    {
        //sdp format 							   		// corresponding JMF Format
        Integer.toString(SdpConstants.H263), // javax.media.format.VideoFormat.H263_RTP
        Integer.toString(SdpConstants.JPEG), // javax.media.format.VideoFormat.JPEG_RTP
        Integer.toString(SdpConstants.H261) // javax.media.format.VideoFormat.H261_RTP
    };
    protected String[] receivableAudioFormats = new String[]
    {
        //sdp format
        Integer.toString(SdpConstants.GSM), // javax.media.format.AudioFormat.GSM_RTP;// corresponding JMF Format
        Integer.toString(SdpConstants.G723), // javax.media.format.AudioFormat.G723_RTP
        Integer.toString(SdpConstants.PCMU), // javax.media.format.AudioFormat.ULAW_RTP;
        Integer.toString(SdpConstants.DVI4_8000), // javax.media.format.AudioFormat.DVI_RTP;
        Integer.toString(SdpConstants.DVI4_16000), // javax.media.format.AudioFormat.DVI_RTP;
        Integer.toString(SdpConstants.PCMA), // javax.media.format.AudioFormat.ALAW;
        Integer.toString(SdpConstants.G728),//, // javax.media.format.AudioFormat.G728_RTP;
        //g729 is not suppported by JMF
        Integer.toString(SdpConstants.G729) // javax.media.format.AudioFormat.G729_RTP
    };
    
    /**
     * A list of currently active RTPManagers mapped against Local session addresses.
     * The list is used by transmitters and receivers so that receiving and transmitting
     * from the same port simultaneousl is possible
     */
    protected Hashtable activeRtpManagers = new Hashtable();
    protected Hashtable sessions = new Hashtable();
    protected RTPManager rtpManager ;
    
    protected String mediaSource = null;
    protected DataSource avDataSource = null;
    protected Processor processor = null;
    protected boolean isStarted = false;
    protected Properties sipProp;
    protected String audioPort;
    protected Vector transmitters = new Vector();
    protected Vector receivers = new Vector();;
    protected DataSink sink =  null;
    private MediaLocator dest;
    
    public MediaManager(Properties sipProp)
    {
        audioPort=sipProp.getProperty("net.java.sip.communicator.media.AUDIO_PORT");
        this.sipProp = new Properties() ;
        this.sipProp.putAll(sipProp);
    }
    
    
    
    public void play(String url) throws MediaException
    {
        
        console.logEntry();
        
        MediaLocator locator = new MediaLocator(url);
        avDataSource = createDataSource(locator);
        if (avDataSource != null)
        {
            initProcessor(avDataSource);
            
        }
        
        for (int i = avTransmitters.size()-1; i >= 0; i--)
        {
            try
            {
                ( (AVTransmitter) avTransmitters.elementAt(i)).play(processor);
            }
            catch (net.sourceforge.gjtapi.raw.sipprovider.media.MediaException ex)
            {
                console.debug(ex.toString());
            }
            console.logExit();
            
        }
    }
    
    public void  stopPlaying()
    {
        
        console.logEntry();
        for (int i = avTransmitters.size() - 1; i >= 0; i--)
            
        {
            try
            {
                ( (AVTransmitter) avTransmitters.elementAt(i)). stopPlaying();
            }
            catch (Exception ex)
            {
                console.debug(ex.toString());
            }
            
        }
    }
    
    public void record(String url)
    {
        
        console.logEntry();
        DataSource dsTab[] = new DataSource[receivers.size()] ;
        DataSource ds =null;
        for (int i = receivers.size()-1; i >= 0; i--)
        {
            try
            {
                Processor pro =  ( (AVReceiver) receivers.elementAt(i)).getProcessor();
                
                ds  = pro.getDataOutput();
                dsTab[i]=ds;
            }
            catch (Exception ex)
            {
                console.debug(ex.toString());
            }
            
        }
        try
        {
            
            DataSource mergeDs = Manager.createMergingDataSource(dsTab);
            mergeDs.connect();
            mergeDs.start();
            	// append "file:/" to URL if it is not already there
            String fullUrl = (url.indexOf("file:") == 0) ? url : "file:/"+ url;
            dest = new MediaLocator(fullUrl);
            sink = Manager.createDataSink(ds, dest);
            sink.open();
            sink.start();
            
            for (int i = receivers.size()-1; i >= 0; i--)
            {
                try
                {
                    Processor pro =  ( (AVReceiver) receivers.elementAt(i)).getProcessor();
                    
                    pro.start();
                }
                catch (Exception ex)
                {
                    console.debug(ex.toString());
                }
                
                
            }
            
        }
        catch (Exception ex)
        {
            console.debug(ex.toString());
        }
        console.logExit();
    }
    public void stopRecording()
    {
        try
        {
            sink.stop();
            sink.close();
        }
        catch(Exception ex)
        {
            console.debug(ex.toString());
        }
    }
    public void start() throws MediaException
    {
        try
        {
            console.logEntry();
            try
            {
                sdpFactory = SdpFactory.getInstance();
            }
            catch (SdpException exc)
            {
                console.error("Failed to create sdpFactory", exc);
                throw new MediaException("Failed to create sdpFactory", exc);
            }
            
            mediaSource = sipProp.getProperty("net.java.sip.communicator.media.MEDIA_SOURCE");
            //Init Capture devices
            DataSource audioDataSource = null;
            
            isStarted = true;
        }
        finally
        {
            console.logExit();
        }
    }
    
    protected DataSource createDataSource(MediaLocator locator)
    {
        try
        {
            console.logEntry();
            try
            {
                if (console.isDebugEnabled())
                    console.debug("Creating datasource for:"
                    + locator != null
                    ? locator.toExternalForm()
                    : "null");
                    return Manager.createDataSource(locator);
            }
            catch (NoDataSourceException ex)
            {
                //The failure only concens us
                if (console.isDebugEnabled())
                {
                    console.debug("Coud not create data source for " +
                    locator.toExternalForm(), ex);
                }
                return null;
            }
            catch (IOException ex)
            {
                //The failure only concens us
                if (console.isDebugEnabled())
                {
                    console.debug("Coud not create data source for " +
                    locator.toExternalForm(), ex);
                }
                return null;
            }
        }
        finally
        {
            console.logExit();
        }
    }
    
    public void openMediaStreams(String sdpData) throws MediaException
    {
        try
        {
            console.logEntry();
            
            if(console.isDebugEnabled())
                console.debug("sdpData arg - " + sdpData);
            checkIfStarted();
            SessionDescription sessionDescription = null;

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