uk.co.modularaudio.mads.base.imixern.mu.MixerNIOQueueBridge.java Source code

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Here is the source code for uk.co.modularaudio.mads.base.imixern.mu.MixerNIOQueueBridge.java

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/**
 *
 * Copyright (C) 2015 - Daniel Hams, Modular Audio Limited
 *                      daniel.hams@gmail.com
 *
 * Mad is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Mad 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Mad.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

package uk.co.modularaudio.mads.base.imixern.mu;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import uk.co.modularaudio.util.audio.mad.ioqueue.IOQueueEvent;
import uk.co.modularaudio.util.audio.mad.ioqueue.MadLocklessIOQueue;
import uk.co.modularaudio.util.audio.mad.ioqueue.MadLocklessQueueBridge;
import uk.co.modularaudio.util.audio.mad.ioqueue.ThreadSpecificTemporaryEventStorage;

public class MixerNIOQueueBridge<I extends MixerNMadInstance<?, I>> extends MadLocklessQueueBridge<I> {
    private static Log log = LogFactory.getLog(MixerNIOQueueBridge.class.getName());

    public static final int COMMAND_IN_ACTIVE = 0;

    // Channel amp - lower 32 bits are channel num, top 32 is float amp
    public final static int COMMAND_IN_LANE_AMP = 1;
    public static final int COMMAND_IN_LANE_PAN = 2;
    public static final int COMMAND_IN_LANE_MUTE = 3;
    public static final int COMMAND_IN_LANE_SOLO = 4;

    // Outgoing messages
    public static final int COMMAND_OUT_METER = 5;

    public MixerNIOQueueBridge() {
        super(MadLocklessIOQueue.DEFAULT_QUEUE_LENGTH, MadLocklessIOQueue.DEFAULT_QUEUE_LENGTH,
                MadLocklessIOQueue.DEFAULT_QUEUE_LENGTH, MadLocklessIOQueue.DEFAULT_QUEUE_LENGTH * 2);
    }

    @Override
    public void receiveQueuedEventsToInstance(final I instance, final ThreadSpecificTemporaryEventStorage tses,
            final long currentTimestamp, final IOQueueEvent queueEntry) {
        switch (queueEntry.command) {
        case COMMAND_IN_ACTIVE: {
            final boolean isActive = (queueEntry.value == 1);
            instance.setActive(isActive);
            break;
        }
        case COMMAND_IN_LANE_AMP: {
            // float
            final long value = queueEntry.value;
            final int lower32Bits = (int) ((value) & 0xFFFFFFFF);
            final int upper32Bits = (int) ((value >> 32) & 0xFFFFFFFF);
            final float ampValue = Float.intBitsToFloat(upper32Bits);
            //            log.debug("Received lane amp on lane " + lower32Bits + " change " + lower32Bits + ", " + ampValue );
            instance.setLaneAmp(lower32Bits, ampValue);
            break;
        }
        case COMMAND_IN_LANE_PAN: {
            // float
            final long value = queueEntry.value;
            final int lower32Bits = (int) ((value) & 0xFFFFFFFF);
            final int upper32Bits = (int) ((value >> 32) & 0xFFFFFFFF);
            final float panValue = Float.intBitsToFloat(upper32Bits);
            //            log.debug("Received lane amp change " + lower32Bits + ", " + ampValue );
            instance.setLanePan(lower32Bits, panValue);
            break;
        }
        case COMMAND_IN_LANE_MUTE: {
            final long value = queueEntry.value;
            final int laneNumber = (int) ((value) & 0xFFFFFFFF);
            final int upper32Bits = (int) ((value >> 32) & 0xFFFFFFFF);
            final boolean muteValue = (upper32Bits != 0);
            instance.setLaneMute(tses, currentTimestamp, laneNumber, muteValue);
            break;
        }
        case COMMAND_IN_LANE_SOLO: {
            final long value = queueEntry.value;
            final int laneNumber = (int) ((value) & 0xFFFFFFFF);
            final int upper32Bits = (int) ((value >> 32) & 0xFFFFFFFF);
            final boolean soloValue = (upper32Bits != 0);
            instance.setLaneSolo(tses, currentTimestamp, laneNumber, soloValue);
            break;
        }
        default: {
            final String msg = "Unknown command passed on incoming queue: " + queueEntry.command;
            log.error(msg);
        }
        }
    }
}