uk.co.modularaudio.mads.base.crossfader.mu.CrossFaderIOQueueBridge.java Source code

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Here is the source code for uk.co.modularaudio.mads.base.crossfader.mu.CrossFaderIOQueueBridge.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.crossfader.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.MadLocklessQueueBridge;
import uk.co.modularaudio.util.audio.mad.ioqueue.ThreadSpecificTemporaryEventStorage;

public class CrossFaderIOQueueBridge extends MadLocklessQueueBridge<CrossFaderMadInstance> {
    private static Log log = LogFactory.getLog(CrossFaderIOQueueBridge.class.getName());

    public static final int COMMAND_AMPA_AMPB = 0;

    public CrossFaderIOQueueBridge() {
    }

    @Override
    public void receiveQueuedEventsToInstance(final CrossFaderMadInstance instance,
            final ThreadSpecificTemporaryEventStorage tses, final long periodTimestamp,
            final IOQueueEvent queueEntry) {
        switch (queueEntry.command) {
        case COMMAND_AMPA_AMPB: {
            final long value = queueEntry.value;
            final int lower32Bits = (int) ((value) & 0xFFFFFFFF);
            final int upper32Bits = (int) ((value >> 32) & 0xFFFFFFFF);
            final float ampA = Float.intBitsToFloat(lower32Bits);
            final float ampB = Float.intBitsToFloat(upper32Bits);
            instance.setDesiredAmps(ampA, ampB);
            break;
        }
        default: {
            final String msg = "Unknown command passed on incoming queue: " + queueEntry.command;
            log.error(msg);
        }
        }
    }
}