uk.co.modularaudio.mads.base.scopen.mu.ScopeNIOQueueBridge.java Source code

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Here is the source code for uk.co.modularaudio.mads.base.scopen.mu.ScopeNIOQueueBridge.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.scopen.mu;

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

import uk.co.modularaudio.mads.base.scopen.ui.ScopeNRepetitionsChoiceUiJComponent.RepetitionChoice;
import uk.co.modularaudio.mads.base.scopen.ui.ScopeNTriggerChoiceUiJComponent.TriggerChoice;
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 ScopeNIOQueueBridge<I extends ScopeNMadInstance<?, I>> extends MadLocklessQueueBridge<I> {
    private static Log log = LogFactory.getLog(ScopeNIOQueueBridge.class.getName());

    public static final int COMMAND_IN_ACTIVE = 0;

    public static final int COMMAND_IN_CAPTURE_MILLIS = 1;
    public static final int COMMAND_IN_TRIGGER = 2;
    public static final int COMMAND_IN_REPETITION = 3;
    public static final int COMMAND_IN_RECAPTURE = 4;

    public static final int COMMAND_OUT_DATA_START = 5;
    public static final int COMMAND_OUT_RINGBUFFER_WRITE_INDEX = 6;

    public ScopeNIOQueueBridge() {
        // Needs a bit of headroom for very short capture lengths < 2ms
        super(0, MadLocklessIOQueue.DEFAULT_QUEUE_LENGTH, 0, MadLocklessIOQueue.DEFAULT_QUEUE_LENGTH * 2);
    }

    @Override
    public void receiveQueuedEventsToInstance(final I instance, final ThreadSpecificTemporaryEventStorage tses,
            final long periodTimestamp, final IOQueueEvent queueEntry) {
        switch (queueEntry.command) {
        case COMMAND_IN_ACTIVE: {
            final boolean active = (queueEntry.value == 1);
            instance.setActive(active);
            break;
        }
        case COMMAND_IN_CAPTURE_MILLIS: {
            final int intBits = (int) queueEntry.value;
            final float captureMillis = Float.intBitsToFloat(intBits);
            instance.setCaptureMillis(captureMillis);
            break;
        }
        case COMMAND_IN_TRIGGER: {
            final TriggerChoice trigger = TriggerChoice.values()[(int) queueEntry.value];
            instance.setTriggerChoice(trigger);
            break;
        }
        case COMMAND_IN_REPETITION: {
            final RepetitionChoice repetition = RepetitionChoice.values()[(int) queueEntry.value];
            instance.setRepetitionChoice(repetition);
            break;
        }
        case COMMAND_IN_RECAPTURE: {
            instance.doRecapture(tses, periodTimestamp);
            break;
        }
        default: {
            final String msg = "Unknown command passed on incoming queue: " + queueEntry.command;
            log.error(msg);
        }
        }
    }
}