uk.co.modularaudio.mads.base.limiter.mu.LimiterIOQueueBridge.java Source code

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Here is the source code for uk.co.modularaudio.mads.base.limiter.mu.LimiterIOQueueBridge.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.limiter.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 LimiterIOQueueBridge extends MadLocklessQueueBridge<LimiterMadInstance> {
    private static Log log = LogFactory.getLog(LimiterIOQueueBridge.class.getName());

    public static final int COMMAND_KNEE = 0;
    public static final int COMMAND_FALLOFF = 1;
    public static final int COMMAND_USE_HARD_LIMIT = 2;

    public LimiterIOQueueBridge() {
    }

    @Override
    public void receiveQueuedEventsToInstance(final LimiterMadInstance instance,
            final ThreadSpecificTemporaryEventStorage tses, final long periodTimestamp,
            final IOQueueEvent queueEntry) {
        switch (queueEntry.command) {
        case COMMAND_KNEE: {
            // Is just a float
            final long value = queueEntry.value;
            final int truncVal = (int) value;
            final float kn = Float.intBitsToFloat(truncVal);
            instance.setKnee(kn);
            break;
        }
        case COMMAND_FALLOFF: {
            // Is just a float
            final long value = queueEntry.value;
            final int truncVal = (int) value;
            final float f = Float.intBitsToFloat(truncVal);
            instance.setFalloff(f);
            break;
        }
        case COMMAND_USE_HARD_LIMIT: {
            final boolean useHardLimit = queueEntry.value == 1;
            instance.setUseHardLimit(useHardLimit);
            break;
        }
        default: {
            final String msg = "Unknown command passed on incoming queue: " + queueEntry.command;
            log.error(msg);
        }
        }
    }
}