uk.co.modularaudio.mads.base.stereo_compressor.mu.StereoCompressorIOQueueBridge.java Source code

Introduction

Here is the source code for uk.co.modularaudio.mads.base.stereo_compressor.mu.StereoCompressorIOQueueBridge.java

Source

/**
 *
 * 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.stereo_compressor.mu;

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

import uk.co.modularaudio.mads.base.stereo_compressor.ui.ThresholdTypeEnum;
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;
import uk.co.modularaudio.util.audio.math.AudioMath;
import uk.co.modularaudio.util.audio.timing.AudioTimingUtils;

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

    public static final int COMMAND_IN_THRESHOLD = 0;
    public static final int COMMAND_IN_THRESHOLD_TYPE = 1;
    public static final int COMMAND_IN_ATTACK_MILLIS = 2;
    public static final int COMMAND_IN_RELEASE_MILLIS = 3;
    public static final int COMMAND_IN_RATIO = 4;
    public static final int COMMAND_IN_MAKEUP_GAIN = 5;
    public static final int COMMAND_IN_ACTIVE = 6;
    public static final int COMMAND_IN_LOOKAHEAD = 7;

    public static final int COMMAND_OUT_SIGNAL_IN_METER = 8;
    public static final int COMMAND_OUT_SIGNAL_OUT_METER = 9;
    public static final int COMMAND_OUT_ENV_VALUE = 10;
    public static final int COMMAND_OUT_ATTENUATION = 11;

    public StereoCompressorIOQueueBridge() {
    }

    @Override
    public void receiveQueuedEventsToInstance(final StereoCompressorMadInstance instance,
            final ThreadSpecificTemporaryEventStorage tses, final long periodTimestamp,
            final IOQueueEvent queueEntry) {
        switch (queueEntry.command) {
        case COMMAND_IN_THRESHOLD: {
            final float valueAsFloat = Float.intBitsToFloat((int) queueEntry.value);
            instance.desiredThresholdDb = valueAsFloat;
            //            log.debug("Set desired threshold dB to " + instance.desiredThresholdDb );
            break;
        }
        case COMMAND_IN_THRESHOLD_TYPE: {
            final int valueAsInt = (int) queueEntry.value;
            instance.desiredThresholdType = ThresholdTypeEnum.values()[valueAsInt];
            //            log.debug("Set thresholdtype to " + instance.desiredThresholdType );
            break;
        }
        case COMMAND_IN_ATTACK_MILLIS: {
            final int valueAsInt = (int) queueEntry.value;
            final float valAsFloat = Float.intBitsToFloat(valueAsInt);
            instance.desiredAttack = valAsFloat;
            instance.attackSamples = AudioTimingUtils.getNumSamplesForMillisAtSampleRate(instance.sampleRate,
                    valAsFloat);
            //            log.debug("Set attack millis to " + valAsFloat + " which is " + instance.attackSamples + " samples");
            break;
        }
        case COMMAND_IN_RELEASE_MILLIS: {
            final int valueAsInt = (int) queueEntry.value;
            final float valAsFloat = Float.intBitsToFloat(valueAsInt);
            instance.desiredRelease = valAsFloat;
            instance.releaseSamples = AudioTimingUtils.getNumSamplesForMillisAtSampleRate(instance.sampleRate,
                    valAsFloat);
            //            log.debug("Set release millis to " + valAsFloat + " which is " + instance.releaseSamples + " samples");
            break;
        }
        case COMMAND_IN_RATIO: {
            final int valueAsInt = (int) queueEntry.value;
            float valAsFloat = Float.intBitsToFloat(valueAsInt);
            valAsFloat = (valAsFloat == 0.0f ? 1.0f : valAsFloat);
            instance.desiredCompRatio = 1.0f / valAsFloat;
            //            log.debug("Set ratio to " + valAsFloat + " which is " + instance.desiredCompRatio + " as a multiplier");
            break;
        }
        case COMMAND_IN_MAKEUP_GAIN: {
            final int valueAsInt = (int) queueEntry.value;
            float valAsFloat = Float.intBitsToFloat(valueAsInt);
            valAsFloat = (valAsFloat == 0.0f ? 1.0f : valAsFloat);
            instance.desiredMakeupGain = (float) AudioMath.dbToLevel(valAsFloat);
            //            log.debug("Set makeup gain to " + valAsFloat + " which is " + instance.desiredMakeupGain + " as a multiplier");
            break;
        }
        case COMMAND_IN_ACTIVE: {
            instance.active = queueEntry.value == 1;
            break;
        }
        case COMMAND_IN_LOOKAHEAD: {
            final boolean bValue = queueEntry.value == 1;
            instance.desiredLookahead = bValue;
            break;
        }
        default: {
            if (log.isErrorEnabled()) {
                log.error("Unknown command to instance: " + queueEntry.command);
            }
            break;
        }
        }
    }
}