AudioPlayerFactory.java

/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2016, Telestax Inc and individual contributors
 * by the @authors tag. 
 *
 * 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.resource.player.audio;

import java.util.concurrent.atomic.AtomicInteger;

import org.apache.log4j.Logger;
import org.restcomm.media.scheduler.PriorityQueueScheduler;
import org.restcomm.media.spi.dsp.DspFactory;
import org.restcomm.media.spi.pooling.PooledObjectFactory;

/**
 * Factory that produces Audio Players.
 * 
 * @author Henrique Rosa (henrique.rosa@telestax.com)
 */
public class AudioPlayerFactory implements PooledObjectFactory<AudioPlayerImpl> {
    
    private static final Logger log = Logger.getLogger(AudioPlayerImpl.class);

    /** Global ID generator for audio players **/
    private final static AtomicInteger ID = new AtomicInteger(1);

    private final PriorityQueueScheduler scheduler;
    private final DspFactory dspFactory;
    private final RemoteStreamProvider remoteStreamProvider;

    public AudioPlayerFactory(PriorityQueueScheduler scheduler, DspFactory dspFactory, RemoteStreamProvider remoteStreamProvider) {
        this.scheduler = scheduler;
        this.dspFactory = dspFactory;
        this.remoteStreamProvider = remoteStreamProvider;
    }

    @Override
    public AudioPlayerImpl produce() {
        AudioPlayerImpl player = new AudioPlayerImpl("player-" + ID.getAndIncrement(), scheduler, remoteStreamProvider);
        try {
            player.setDsp(this.dspFactory.newProcessor());
        } catch (InstantiationException | ClassNotFoundException | IllegalAccessException e) {
            log.error("Could not set DSP for Audio Player", e);
        }
        return player;
    }

}