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Java example source code file (SF2Instrument.java)

This example Java source code file (SF2Instrument.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

audio, map, midi, modelbytebufferwavetable, modelconnectionblock, modeldestination, modelidentifier, modelpatch, modelperformer, modelsource, sf2globalregion, sf2instrument, sf2instrumentregion, sf2modulator, short, sound, string, util

The SF2Instrument.java Java example source code

/*
 * Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
package com.sun.media.sound;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import javax.sound.midi.Patch;

/**
 * Soundfont instrument.
 *
 * @author Karl Helgason
 */
public final class SF2Instrument extends ModelInstrument {

    String name = "";
    int preset = 0;
    int bank = 0;
    long library = 0;
    long genre = 0;
    long morphology = 0;
    SF2GlobalRegion globalregion = null;
    List<SF2InstrumentRegion> regions
            = new ArrayList<SF2InstrumentRegion>();

    public SF2Instrument() {
        super(null, null, null, null);
    }

    public SF2Instrument(SF2Soundbank soundbank) {
        super(soundbank, null, null, null);
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public Patch getPatch() {
        if (bank == 128)
            return new ModelPatch(0, preset, true);
        else
            return new ModelPatch(bank << 7, preset, false);
    }

    public void setPatch(Patch patch) {
        if (patch instanceof ModelPatch && ((ModelPatch) patch).isPercussion()) {
            bank = 128;
            preset = patch.getProgram();
        } else {
            bank = patch.getBank() >> 7;
            preset = patch.getProgram();
        }
    }

    public Object getData() {
        return null;
    }

    public long getGenre() {
        return genre;
    }

    public void setGenre(long genre) {
        this.genre = genre;
    }

    public long getLibrary() {
        return library;
    }

    public void setLibrary(long library) {
        this.library = library;
    }

    public long getMorphology() {
        return morphology;
    }

    public void setMorphology(long morphology) {
        this.morphology = morphology;
    }

    public List<SF2InstrumentRegion> getRegions() {
        return regions;
    }

    public SF2GlobalRegion getGlobalRegion() {
        return globalregion;
    }

    public void setGlobalZone(SF2GlobalRegion zone) {
        globalregion = zone;
    }

    public String toString() {
        if (bank == 128)
            return "Drumkit: " + name + " preset #" + preset;
        else
            return "Instrument: " + name + " bank #" + bank
                    + " preset #" + preset;
    }

    public ModelPerformer[] getPerformers() {
        int performercount = 0;
        for (SF2InstrumentRegion presetzone : regions)
            performercount += presetzone.getLayer().getRegions().size();
        ModelPerformer[] performers = new ModelPerformer[performercount];
        int pi = 0;

        SF2GlobalRegion presetglobal = globalregion;
        for (SF2InstrumentRegion presetzone : regions) {
            Map<Integer, Short> pgenerators = new HashMap();
            pgenerators.putAll(presetzone.getGenerators());
            if (presetglobal != null)
                pgenerators.putAll(presetglobal.getGenerators());

            SF2Layer layer = presetzone.getLayer();
            SF2GlobalRegion layerglobal = layer.getGlobalRegion();
            for (SF2LayerRegion layerzone : layer.getRegions()) {
                ModelPerformer performer = new ModelPerformer();
                if (layerzone.getSample() != null)
                    performer.setName(layerzone.getSample().getName());
                else
                    performer.setName(layer.getName());

                performers[pi++] = performer;

                int keyfrom = 0;
                int keyto = 127;
                int velfrom = 0;
                int velto = 127;

                if (layerzone.contains(SF2Region.GENERATOR_EXCLUSIVECLASS)) {
                    performer.setExclusiveClass(layerzone.getInteger(
                            SF2Region.GENERATOR_EXCLUSIVECLASS));
                }
                if (layerzone.contains(SF2Region.GENERATOR_KEYRANGE)) {
                    byte[] bytes = layerzone.getBytes(
                            SF2Region.GENERATOR_KEYRANGE);
                    if (bytes[0] >= 0)
                        if (bytes[0] > keyfrom)
                            keyfrom = bytes[0];
                    if (bytes[1] >= 0)
                        if (bytes[1] < keyto)
                            keyto = bytes[1];
                }
                if (layerzone.contains(SF2Region.GENERATOR_VELRANGE)) {
                    byte[] bytes = layerzone.getBytes(
                            SF2Region.GENERATOR_VELRANGE);
                    if (bytes[0] >= 0)
                        if (bytes[0] > velfrom)
                            velfrom = bytes[0];
                    if (bytes[1] >= 0)
                        if (bytes[1] < velto)
                            velto = bytes[1];
                }
                if (presetzone.contains(SF2Region.GENERATOR_KEYRANGE)) {
                    byte[] bytes = presetzone.getBytes(
                            SF2Region.GENERATOR_KEYRANGE);
                    if (bytes[0] > keyfrom)
                        keyfrom = bytes[0];
                    if (bytes[1] < keyto)
                        keyto = bytes[1];
                }
                if (presetzone.contains(SF2Region.GENERATOR_VELRANGE)) {
                    byte[] bytes = presetzone.getBytes(
                            SF2Region.GENERATOR_VELRANGE);
                    if (bytes[0] > velfrom)
                        velfrom = bytes[0];
                    if (bytes[1] < velto)
                        velto = bytes[1];
                }
                performer.setKeyFrom(keyfrom);
                performer.setKeyTo(keyto);
                performer.setVelFrom(velfrom);
                performer.setVelTo(velto);

                int startAddrsOffset = layerzone.getShort(
                        SF2Region.GENERATOR_STARTADDRSOFFSET);
                int endAddrsOffset = layerzone.getShort(
                        SF2Region.GENERATOR_ENDADDRSOFFSET);
                int startloopAddrsOffset = layerzone.getShort(
                        SF2Region.GENERATOR_STARTLOOPADDRSOFFSET);
                int endloopAddrsOffset = layerzone.getShort(
                        SF2Region.GENERATOR_ENDLOOPADDRSOFFSET);

                startAddrsOffset += layerzone.getShort(
                        SF2Region.GENERATOR_STARTADDRSCOARSEOFFSET) * 32768;
                endAddrsOffset += layerzone.getShort(
                        SF2Region.GENERATOR_ENDADDRSCOARSEOFFSET) * 32768;
                startloopAddrsOffset += layerzone.getShort(
                        SF2Region.GENERATOR_STARTLOOPADDRSCOARSEOFFSET) * 32768;
                endloopAddrsOffset += layerzone.getShort(
                        SF2Region.GENERATOR_ENDLOOPADDRSCOARSEOFFSET) * 32768;
                startloopAddrsOffset -= startAddrsOffset;
                endloopAddrsOffset -= startAddrsOffset;

                SF2Sample sample = layerzone.getSample();
                int rootkey = sample.originalPitch;
                if (layerzone.getShort(SF2Region.GENERATOR_OVERRIDINGROOTKEY) != -1) {
                    rootkey = layerzone.getShort(
                            SF2Region.GENERATOR_OVERRIDINGROOTKEY);
                }
                float pitchcorrection = (-rootkey * 100) + sample.pitchCorrection;
                ModelByteBuffer buff = sample.getDataBuffer();
                ModelByteBuffer buff24 = sample.getData24Buffer();

                if (startAddrsOffset != 0 || endAddrsOffset != 0) {
                    buff = buff.subbuffer(startAddrsOffset * 2,
                            buff.capacity() + endAddrsOffset * 2);
                    if (buff24 != null) {
                        buff24 = buff24.subbuffer(startAddrsOffset,
                                buff24.capacity() + endAddrsOffset);
                    }

                    /*
                    if (startAddrsOffset < 0)
                        startAddrsOffset = 0;
                    if (endAddrsOffset > (buff.capacity()/2-startAddrsOffset))
                        startAddrsOffset = (int)buff.capacity()/2-startAddrsOffset;
                    byte[] data = buff.array();
                    int off = (int)buff.arrayOffset() + startAddrsOffset*2;
                    int len = (int)buff.capacity() + endAddrsOffset*2;
                    if (off+len > data.length)
                        len = data.length - off;
                    buff = new ModelByteBuffer(data, off, len);
                    if(buff24 != null) {
                        data = buff.array();
                        off = (int)buff.arrayOffset() + startAddrsOffset;
                        len = (int)buff.capacity() + endAddrsOffset;
                        buff24 = new ModelByteBuffer(data, off, len);
                    }
                    */
                }

                ModelByteBufferWavetable osc = new ModelByteBufferWavetable(
                        buff, sample.getFormat(), pitchcorrection);
                if (buff24 != null)
                    osc.set8BitExtensionBuffer(buff24);

                Map<Integer, Short> generators = new HashMap();
                if (layerglobal != null)
                    generators.putAll(layerglobal.getGenerators());
                generators.putAll(layerzone.getGenerators());
                for (Map.Entry<Integer, Short> gen : pgenerators.entrySet()) {
                    short val;
                    if (!generators.containsKey(gen.getKey()))
                        val = layerzone.getShort(gen.getKey());
                    else
                        val = generators.get(gen.getKey());
                    val += gen.getValue();
                    generators.put(gen.getKey(), val);
                }

                // SampleMode:
                // 0 indicates a sound reproduced with no loop
                // 1 indicates a sound which loops continuously
                // 2 is unused but should be interpreted as indicating no loop
                // 3 indicates a sound which loops for the duration of key
                //   depression then proceeds to play the remainder of the sample.
                int sampleMode = getGeneratorValue(generators,
                        SF2Region.GENERATOR_SAMPLEMODES);
                if ((sampleMode == 1) || (sampleMode == 3)) {
                    if (sample.startLoop >= 0 && sample.endLoop > 0) {
                        osc.setLoopStart((int)(sample.startLoop
                                + startloopAddrsOffset));
                        osc.setLoopLength((int)(sample.endLoop - sample.startLoop
                                + endloopAddrsOffset - startloopAddrsOffset));
                        if (sampleMode == 1)
                            osc.setLoopType(ModelWavetable.LOOP_TYPE_FORWARD);
                        if (sampleMode == 3)
                            osc.setLoopType(ModelWavetable.LOOP_TYPE_RELEASE);
                    }
                }
                performer.getOscillators().add(osc);


                short volDelay = getGeneratorValue(generators,
                        SF2Region.GENERATOR_DELAYVOLENV);
                short volAttack = getGeneratorValue(generators,
                        SF2Region.GENERATOR_ATTACKVOLENV);
                short volHold = getGeneratorValue(generators,
                        SF2Region.GENERATOR_HOLDVOLENV);
                short volDecay = getGeneratorValue(generators,
                        SF2Region.GENERATOR_DECAYVOLENV);
                short volSustain = getGeneratorValue(generators,
                        SF2Region.GENERATOR_SUSTAINVOLENV);
                short volRelease = getGeneratorValue(generators,
                        SF2Region.GENERATOR_RELEASEVOLENV);

                if (volHold != -12000) {
                    short volKeyNumToHold = getGeneratorValue(generators,
                            SF2Region.GENERATOR_KEYNUMTOVOLENVHOLD);
                    volHold += 60 * volKeyNumToHold;
                    float fvalue = -volKeyNumToHold * 128;
                    ModelIdentifier src = ModelSource.SOURCE_NOTEON_KEYNUMBER;
                    ModelIdentifier dest = ModelDestination.DESTINATION_EG1_HOLD;
                    performer.getConnectionBlocks().add(
                        new ModelConnectionBlock(new ModelSource(src), fvalue,
                            new ModelDestination(dest)));
                }
                if (volDecay != -12000) {
                    short volKeyNumToDecay = getGeneratorValue(generators,
                            SF2Region.GENERATOR_KEYNUMTOVOLENVDECAY);
                    volDecay += 60 * volKeyNumToDecay;
                    float fvalue = -volKeyNumToDecay * 128;
                    ModelIdentifier src = ModelSource.SOURCE_NOTEON_KEYNUMBER;
                    ModelIdentifier dest = ModelDestination.DESTINATION_EG1_DECAY;
                    performer.getConnectionBlocks().add(
                        new ModelConnectionBlock(new ModelSource(src), fvalue,
                            new ModelDestination(dest)));
                }

                addTimecentValue(performer,
                        ModelDestination.DESTINATION_EG1_DELAY, volDelay);
                addTimecentValue(performer,
                        ModelDestination.DESTINATION_EG1_ATTACK, volAttack);
                addTimecentValue(performer,
                        ModelDestination.DESTINATION_EG1_HOLD, volHold);
                addTimecentValue(performer,
                        ModelDestination.DESTINATION_EG1_DECAY, volDecay);
                //float fvolsustain = (960-volSustain)*(1000.0f/960.0f);

                volSustain = (short)(1000 - volSustain);
                if (volSustain < 0)
                    volSustain = 0;
                if (volSustain > 1000)
                    volSustain = 1000;

                addValue(performer,
                        ModelDestination.DESTINATION_EG1_SUSTAIN, volSustain);
                addTimecentValue(performer,
                        ModelDestination.DESTINATION_EG1_RELEASE, volRelease);

                if (getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODENVTOFILTERFC) != 0
                        || getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODENVTOPITCH) != 0) {
                    short modDelay = getGeneratorValue(generators,
                            SF2Region.GENERATOR_DELAYMODENV);
                    short modAttack = getGeneratorValue(generators,
                            SF2Region.GENERATOR_ATTACKMODENV);
                    short modHold = getGeneratorValue(generators,
                            SF2Region.GENERATOR_HOLDMODENV);
                    short modDecay = getGeneratorValue(generators,
                            SF2Region.GENERATOR_DECAYMODENV);
                    short modSustain = getGeneratorValue(generators,
                            SF2Region.GENERATOR_SUSTAINMODENV);
                    short modRelease = getGeneratorValue(generators,
                            SF2Region.GENERATOR_RELEASEMODENV);


                    if (modHold != -12000) {
                        short modKeyNumToHold = getGeneratorValue(generators,
                                SF2Region.GENERATOR_KEYNUMTOMODENVHOLD);
                        modHold += 60 * modKeyNumToHold;
                        float fvalue = -modKeyNumToHold * 128;
                        ModelIdentifier src = ModelSource.SOURCE_NOTEON_KEYNUMBER;
                        ModelIdentifier dest = ModelDestination.DESTINATION_EG2_HOLD;
                        performer.getConnectionBlocks().add(
                            new ModelConnectionBlock(new ModelSource(src),
                                fvalue, new ModelDestination(dest)));
                    }
                    if (modDecay != -12000) {
                        short modKeyNumToDecay = getGeneratorValue(generators,
                                SF2Region.GENERATOR_KEYNUMTOMODENVDECAY);
                        modDecay += 60 * modKeyNumToDecay;
                        float fvalue = -modKeyNumToDecay * 128;
                        ModelIdentifier src = ModelSource.SOURCE_NOTEON_KEYNUMBER;
                        ModelIdentifier dest = ModelDestination.DESTINATION_EG2_DECAY;
                        performer.getConnectionBlocks().add(
                            new ModelConnectionBlock(new ModelSource(src),
                                fvalue, new ModelDestination(dest)));
                    }

                    addTimecentValue(performer,
                            ModelDestination.DESTINATION_EG2_DELAY, modDelay);
                    addTimecentValue(performer,
                            ModelDestination.DESTINATION_EG2_ATTACK, modAttack);
                    addTimecentValue(performer,
                            ModelDestination.DESTINATION_EG2_HOLD, modHold);
                    addTimecentValue(performer,
                            ModelDestination.DESTINATION_EG2_DECAY, modDecay);
                    if (modSustain < 0)
                        modSustain = 0;
                    if (modSustain > 1000)
                        modSustain = 1000;
                    addValue(performer, ModelDestination.DESTINATION_EG2_SUSTAIN,
                            1000 - modSustain);
                    addTimecentValue(performer,
                            ModelDestination.DESTINATION_EG2_RELEASE, modRelease);

                    if (getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODENVTOFILTERFC) != 0) {
                        double fvalue = getGeneratorValue(generators,
                                SF2Region.GENERATOR_MODENVTOFILTERFC);
                        ModelIdentifier src = ModelSource.SOURCE_EG2;
                        ModelIdentifier dest
                                = ModelDestination.DESTINATION_FILTER_FREQ;
                        performer.getConnectionBlocks().add(
                            new ModelConnectionBlock(new ModelSource(src),
                                fvalue, new ModelDestination(dest)));
                    }

                    if (getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODENVTOPITCH) != 0) {
                        double fvalue = getGeneratorValue(generators,
                                SF2Region.GENERATOR_MODENVTOPITCH);
                        ModelIdentifier src = ModelSource.SOURCE_EG2;
                        ModelIdentifier dest = ModelDestination.DESTINATION_PITCH;
                        performer.getConnectionBlocks().add(
                            new ModelConnectionBlock(new ModelSource(src),
                                fvalue, new ModelDestination(dest)));
                    }

                }

                if (getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODLFOTOFILTERFC) != 0
                        || getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODLFOTOPITCH) != 0
                        || getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODLFOTOVOLUME) != 0) {
                    short lfo_freq = getGeneratorValue(generators,
                            SF2Region.GENERATOR_FREQMODLFO);
                    short lfo_delay = getGeneratorValue(generators,
                            SF2Region.GENERATOR_DELAYMODLFO);
                    addTimecentValue(performer,
                            ModelDestination.DESTINATION_LFO1_DELAY, lfo_delay);
                    addValue(performer,
                            ModelDestination.DESTINATION_LFO1_FREQ, lfo_freq);
                }

                short vib_freq = getGeneratorValue(generators,
                        SF2Region.GENERATOR_FREQVIBLFO);
                short vib_delay = getGeneratorValue(generators,
                        SF2Region.GENERATOR_DELAYVIBLFO);
                addTimecentValue(performer,
                        ModelDestination.DESTINATION_LFO2_DELAY, vib_delay);
                addValue(performer,
                        ModelDestination.DESTINATION_LFO2_FREQ, vib_freq);


                if (getGeneratorValue(generators,
                        SF2Region.GENERATOR_VIBLFOTOPITCH) != 0) {
                    double fvalue = getGeneratorValue(generators,
                            SF2Region.GENERATOR_VIBLFOTOPITCH);
                    ModelIdentifier src = ModelSource.SOURCE_LFO2;
                    ModelIdentifier dest = ModelDestination.DESTINATION_PITCH;
                    performer.getConnectionBlocks().add(
                        new ModelConnectionBlock(
                            new ModelSource(src,
                                ModelStandardTransform.DIRECTION_MIN2MAX,
                                ModelStandardTransform.POLARITY_BIPOLAR),
                            fvalue, new ModelDestination(dest)));
                }

                if (getGeneratorValue(generators,
                        SF2Region.GENERATOR_MODLFOTOFILTERFC) != 0) {
                    double fvalue = getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODLFOTOFILTERFC);
                    ModelIdentifier src = ModelSource.SOURCE_LFO1;
                    ModelIdentifier dest = ModelDestination.DESTINATION_FILTER_FREQ;
                    performer.getConnectionBlocks().add(
                        new ModelConnectionBlock(
                            new ModelSource(src,
                                ModelStandardTransform.DIRECTION_MIN2MAX,
                                ModelStandardTransform.POLARITY_BIPOLAR),
                            fvalue, new ModelDestination(dest)));
                }

                if (getGeneratorValue(generators,
                        SF2Region.GENERATOR_MODLFOTOPITCH) != 0) {
                    double fvalue = getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODLFOTOPITCH);
                    ModelIdentifier src = ModelSource.SOURCE_LFO1;
                    ModelIdentifier dest = ModelDestination.DESTINATION_PITCH;
                    performer.getConnectionBlocks().add(
                        new ModelConnectionBlock(
                            new ModelSource(src,
                                ModelStandardTransform.DIRECTION_MIN2MAX,
                                ModelStandardTransform.POLARITY_BIPOLAR),
                            fvalue, new ModelDestination(dest)));
                }

                if (getGeneratorValue(generators,
                        SF2Region.GENERATOR_MODLFOTOVOLUME) != 0) {
                    double fvalue = getGeneratorValue(generators,
                            SF2Region.GENERATOR_MODLFOTOVOLUME);
                    ModelIdentifier src = ModelSource.SOURCE_LFO1;
                    ModelIdentifier dest = ModelDestination.DESTINATION_GAIN;
                    performer.getConnectionBlocks().add(
                        new ModelConnectionBlock(
                            new ModelSource(src,
                                ModelStandardTransform.DIRECTION_MIN2MAX,
                                ModelStandardTransform.POLARITY_BIPOLAR),
                            fvalue, new ModelDestination(dest)));
                }

                if (layerzone.getShort(SF2Region.GENERATOR_KEYNUM) != -1) {
                    double val = layerzone.getShort(SF2Region.GENERATOR_KEYNUM)/128.0;
                    addValue(performer, ModelDestination.DESTINATION_KEYNUMBER, val);
                }

                if (layerzone.getShort(SF2Region.GENERATOR_VELOCITY) != -1) {
                    double val = layerzone.getShort(SF2Region.GENERATOR_VELOCITY)
                                 / 128.0;
                    addValue(performer, ModelDestination.DESTINATION_VELOCITY, val);
                }

                if (getGeneratorValue(generators,
                        SF2Region.GENERATOR_INITIALFILTERFC) < 13500) {
                    short filter_freq = getGeneratorValue(generators,
                            SF2Region.GENERATOR_INITIALFILTERFC);
                    short filter_q = getGeneratorValue(generators,
                            SF2Region.GENERATOR_INITIALFILTERQ);
                    addValue(performer,
                            ModelDestination.DESTINATION_FILTER_FREQ, filter_freq);
                    addValue(performer,
                            ModelDestination.DESTINATION_FILTER_Q, filter_q);
                }

                int tune = 100 * getGeneratorValue(generators,
                        SF2Region.GENERATOR_COARSETUNE);
                tune += getGeneratorValue(generators,
                        SF2Region.GENERATOR_FINETUNE);
                if (tune != 0) {
                    addValue(performer,
                            ModelDestination.DESTINATION_PITCH, (short) tune);
                }
                if (getGeneratorValue(generators, SF2Region.GENERATOR_PAN) != 0) {
                    short val = getGeneratorValue(generators,
                            SF2Region.GENERATOR_PAN);
                    addValue(performer, ModelDestination.DESTINATION_PAN, val);
                }
                if (getGeneratorValue(generators, SF2Region.GENERATOR_INITIALATTENUATION) != 0) {
                    short val = getGeneratorValue(generators,
                            SF2Region.GENERATOR_INITIALATTENUATION);
                    addValue(performer,
                            ModelDestination.DESTINATION_GAIN, -0.376287f * val);
                }
                if (getGeneratorValue(generators,
                        SF2Region.GENERATOR_CHORUSEFFECTSSEND) != 0) {
                    short val = getGeneratorValue(generators,
                            SF2Region.GENERATOR_CHORUSEFFECTSSEND);
                    addValue(performer, ModelDestination.DESTINATION_CHORUS, val);
                }
                if (getGeneratorValue(generators,
                        SF2Region.GENERATOR_REVERBEFFECTSSEND) != 0) {
                    short val = getGeneratorValue(generators,
                            SF2Region.GENERATOR_REVERBEFFECTSSEND);
                    addValue(performer, ModelDestination.DESTINATION_REVERB, val);
                }
                if (getGeneratorValue(generators,
                        SF2Region.GENERATOR_SCALETUNING) != 100) {
                    short fvalue = getGeneratorValue(generators,
                            SF2Region.GENERATOR_SCALETUNING);
                    if (fvalue == 0) {
                        ModelIdentifier dest = ModelDestination.DESTINATION_PITCH;
                        performer.getConnectionBlocks().add(
                            new ModelConnectionBlock(null, rootkey * 100,
                                new ModelDestination(dest)));
                    } else {
                        ModelIdentifier dest = ModelDestination.DESTINATION_PITCH;
                        performer.getConnectionBlocks().add(
                            new ModelConnectionBlock(null, rootkey * (100 - fvalue),
                                new ModelDestination(dest)));
                    }

                    ModelIdentifier src = ModelSource.SOURCE_NOTEON_KEYNUMBER;
                    ModelIdentifier dest = ModelDestination.DESTINATION_PITCH;
                    performer.getConnectionBlocks().add(
                        new ModelConnectionBlock(new ModelSource(src),
                            128 * fvalue, new ModelDestination(dest)));

                }

                performer.getConnectionBlocks().add(
                    new ModelConnectionBlock(
                        new ModelSource(ModelSource.SOURCE_NOTEON_VELOCITY,
                            new ModelTransform() {
                                public double transform(double value) {
                                    if (value < 0.5)
                                        return 1 - value * 2;
                                    else
                                        return 0;
                                }
                            }),
                        -2400,
                        new ModelDestination(
                            ModelDestination.DESTINATION_FILTER_FREQ)));


                performer.getConnectionBlocks().add(
                    new ModelConnectionBlock(
                        new ModelSource(ModelSource.SOURCE_LFO2,
                            ModelStandardTransform.DIRECTION_MIN2MAX,
                            ModelStandardTransform.POLARITY_BIPOLAR,
                            ModelStandardTransform.TRANSFORM_LINEAR),
                        new ModelSource(new ModelIdentifier("midi_cc", "1", 0),
                            ModelStandardTransform.DIRECTION_MIN2MAX,
                            ModelStandardTransform.POLARITY_UNIPOLAR,
                            ModelStandardTransform.TRANSFORM_LINEAR),
                        50, new ModelDestination(
                            ModelDestination.DESTINATION_PITCH)));

                if (layer.getGlobalRegion() != null) {
                    for (SF2Modulator modulator
                            : layer.getGlobalRegion().getModulators()) {
                        convertModulator(performer, modulator);
                    }
                }
                for (SF2Modulator modulator : layerzone.getModulators())
                    convertModulator(performer, modulator);

                if (presetglobal != null) {
                    for (SF2Modulator modulator : presetglobal.getModulators())
                        convertModulator(performer, modulator);
                }
                for (SF2Modulator modulator : presetzone.getModulators())
                    convertModulator(performer, modulator);

            }
        }
        return performers;
    }

    private void convertModulator(ModelPerformer performer,
            SF2Modulator modulator) {
        ModelSource src1 = convertSource(modulator.getSourceOperator());
        ModelSource src2 = convertSource(modulator.getAmountSourceOperator());
        if (src1 == null && modulator.getSourceOperator() != 0)
            return;
        if (src2 == null && modulator.getAmountSourceOperator() != 0)
            return;
        double amount = modulator.getAmount();
        double[] amountcorrection = new double[1];
        ModelSource[] extrasrc = new ModelSource[1];
        amountcorrection[0] = 1;
        ModelDestination dst = convertDestination(
                modulator.getDestinationOperator(), amountcorrection, extrasrc);
        amount *= amountcorrection[0];
        if (dst == null)
            return;
        if (modulator.getTransportOperator() == SF2Modulator.TRANSFORM_ABSOLUTE) {
            ((ModelStandardTransform)dst.getTransform()).setTransform(
                    ModelStandardTransform.TRANSFORM_ABSOLUTE);
        }
        ModelConnectionBlock conn = new ModelConnectionBlock(src1, src2, amount, dst);
        if (extrasrc[0] != null)
            conn.addSource(extrasrc[0]);
        performer.getConnectionBlocks().add(conn);

    }

    private static ModelSource convertSource(int src) {
        if (src == 0)
            return null;
        ModelIdentifier id = null;
        int idsrc = src & 0x7F;
        if ((src & SF2Modulator.SOURCE_MIDI_CONTROL) != 0) {
            id = new ModelIdentifier("midi_cc", Integer.toString(idsrc));
        } else {
            if (idsrc == SF2Modulator.SOURCE_NOTE_ON_VELOCITY)
                id = ModelSource.SOURCE_NOTEON_VELOCITY;
            if (idsrc == SF2Modulator.SOURCE_NOTE_ON_KEYNUMBER)
                id = ModelSource.SOURCE_NOTEON_KEYNUMBER;
            if (idsrc == SF2Modulator.SOURCE_POLY_PRESSURE)
                id = ModelSource.SOURCE_MIDI_POLY_PRESSURE;
            if (idsrc == SF2Modulator.SOURCE_CHANNEL_PRESSURE)
                id = ModelSource.SOURCE_MIDI_CHANNEL_PRESSURE;
            if (idsrc == SF2Modulator.SOURCE_PITCH_WHEEL)
                id = ModelSource.SOURCE_MIDI_PITCH;
            if (idsrc == SF2Modulator.SOURCE_PITCH_SENSITIVITY)
                id = new ModelIdentifier("midi_rpn", "0");
        }
        if (id == null)
            return null;

        ModelSource msrc = new ModelSource(id);
        ModelStandardTransform transform
                = (ModelStandardTransform) msrc.getTransform();

        if ((SF2Modulator.SOURCE_DIRECTION_MAX_MIN & src) != 0)
            transform.setDirection(ModelStandardTransform.DIRECTION_MAX2MIN);
        else
            transform.setDirection(ModelStandardTransform.DIRECTION_MIN2MAX);

        if ((SF2Modulator.SOURCE_POLARITY_BIPOLAR & src) != 0)
            transform.setPolarity(ModelStandardTransform.POLARITY_BIPOLAR);
        else
            transform.setPolarity(ModelStandardTransform.POLARITY_UNIPOLAR);

        if ((SF2Modulator.SOURCE_TYPE_CONCAVE & src) != 0)
            transform.setTransform(ModelStandardTransform.TRANSFORM_CONCAVE);
        if ((SF2Modulator.SOURCE_TYPE_CONVEX & src) != 0)
            transform.setTransform(ModelStandardTransform.TRANSFORM_CONVEX);
        if ((SF2Modulator.SOURCE_TYPE_SWITCH & src) != 0)
            transform.setTransform(ModelStandardTransform.TRANSFORM_SWITCH);

        return msrc;
    }

    static ModelDestination convertDestination(int dst,
            double[] amountcorrection, ModelSource[] extrasrc) {
        ModelIdentifier id = null;
        switch (dst) {
            case SF2Region.GENERATOR_INITIALFILTERFC:
                id = ModelDestination.DESTINATION_FILTER_FREQ;
                break;
            case SF2Region.GENERATOR_INITIALFILTERQ:
                id = ModelDestination.DESTINATION_FILTER_Q;
                break;
            case SF2Region.GENERATOR_CHORUSEFFECTSSEND:
                id = ModelDestination.DESTINATION_CHORUS;
                break;
            case SF2Region.GENERATOR_REVERBEFFECTSSEND:
                id = ModelDestination.DESTINATION_REVERB;
                break;
            case SF2Region.GENERATOR_PAN:
                id = ModelDestination.DESTINATION_PAN;
                break;
            case SF2Region.GENERATOR_DELAYMODLFO:
                id = ModelDestination.DESTINATION_LFO1_DELAY;
                break;
            case SF2Region.GENERATOR_FREQMODLFO:
                id = ModelDestination.DESTINATION_LFO1_FREQ;
                break;
            case SF2Region.GENERATOR_DELAYVIBLFO:
                id = ModelDestination.DESTINATION_LFO2_DELAY;
                break;
            case SF2Region.GENERATOR_FREQVIBLFO:
                id = ModelDestination.DESTINATION_LFO2_FREQ;
                break;

            case SF2Region.GENERATOR_DELAYMODENV:
                id = ModelDestination.DESTINATION_EG2_DELAY;
                break;
            case SF2Region.GENERATOR_ATTACKMODENV:
                id = ModelDestination.DESTINATION_EG2_ATTACK;
                break;
            case SF2Region.GENERATOR_HOLDMODENV:
                id = ModelDestination.DESTINATION_EG2_HOLD;
                break;
            case SF2Region.GENERATOR_DECAYMODENV:
                id = ModelDestination.DESTINATION_EG2_DECAY;
                break;
            case SF2Region.GENERATOR_SUSTAINMODENV:
                id = ModelDestination.DESTINATION_EG2_SUSTAIN;
                amountcorrection[0] = -1;
                break;
            case SF2Region.GENERATOR_RELEASEMODENV:
                id = ModelDestination.DESTINATION_EG2_RELEASE;
                break;
            case SF2Region.GENERATOR_DELAYVOLENV:
                id = ModelDestination.DESTINATION_EG1_DELAY;
                break;
            case SF2Region.GENERATOR_ATTACKVOLENV:
                id = ModelDestination.DESTINATION_EG1_ATTACK;
                break;
            case SF2Region.GENERATOR_HOLDVOLENV:
                id = ModelDestination.DESTINATION_EG1_HOLD;
                break;
            case SF2Region.GENERATOR_DECAYVOLENV:
                id = ModelDestination.DESTINATION_EG1_DECAY;
                break;
            case SF2Region.GENERATOR_SUSTAINVOLENV:
                id = ModelDestination.DESTINATION_EG1_SUSTAIN;
                amountcorrection[0] = -1;
                break;
            case SF2Region.GENERATOR_RELEASEVOLENV:
                id = ModelDestination.DESTINATION_EG1_RELEASE;
                break;
            case SF2Region.GENERATOR_KEYNUM:
                id = ModelDestination.DESTINATION_KEYNUMBER;
                break;
            case SF2Region.GENERATOR_VELOCITY:
                id = ModelDestination.DESTINATION_VELOCITY;
                break;

            case SF2Region.GENERATOR_COARSETUNE:
                amountcorrection[0] = 100;
                id = ModelDestination.DESTINATION_PITCH;
                break;

            case SF2Region.GENERATOR_FINETUNE:
                id = ModelDestination.DESTINATION_PITCH;
                break;

            case SF2Region.GENERATOR_INITIALATTENUATION:
                id = ModelDestination.DESTINATION_GAIN;
                amountcorrection[0] = -0.376287f;
                break;

            case SF2Region.GENERATOR_VIBLFOTOPITCH:
                id = ModelDestination.DESTINATION_PITCH;
                extrasrc[0] = new ModelSource(
                        ModelSource.SOURCE_LFO2,
                        ModelStandardTransform.DIRECTION_MIN2MAX,
                        ModelStandardTransform.POLARITY_BIPOLAR);
                break;

            case SF2Region.GENERATOR_MODLFOTOPITCH:
                id = ModelDestination.DESTINATION_PITCH;
                extrasrc[0] = new ModelSource(
                        ModelSource.SOURCE_LFO1,
                        ModelStandardTransform.DIRECTION_MIN2MAX,
                        ModelStandardTransform.POLARITY_BIPOLAR);
                break;

            case SF2Region.GENERATOR_MODLFOTOFILTERFC:
                id = ModelDestination.DESTINATION_FILTER_FREQ;
                extrasrc[0] = new ModelSource(
                        ModelSource.SOURCE_LFO1,
                        ModelStandardTransform.DIRECTION_MIN2MAX,
                        ModelStandardTransform.POLARITY_BIPOLAR);
                break;

            case SF2Region.GENERATOR_MODLFOTOVOLUME:
                id = ModelDestination.DESTINATION_GAIN;
                amountcorrection[0] = -0.376287f;
                extrasrc[0] = new ModelSource(
                        ModelSource.SOURCE_LFO1,
                        ModelStandardTransform.DIRECTION_MIN2MAX,
                        ModelStandardTransform.POLARITY_BIPOLAR);
                break;

            case SF2Region.GENERATOR_MODENVTOPITCH:
                id = ModelDestination.DESTINATION_PITCH;
                extrasrc[0] = new ModelSource(
                        ModelSource.SOURCE_EG2,
                        ModelStandardTransform.DIRECTION_MIN2MAX,
                        ModelStandardTransform.POLARITY_BIPOLAR);
                break;

            case SF2Region.GENERATOR_MODENVTOFILTERFC:
                id = ModelDestination.DESTINATION_FILTER_FREQ;
                extrasrc[0] = new ModelSource(
                        ModelSource.SOURCE_EG2,
                        ModelStandardTransform.DIRECTION_MIN2MAX,
                        ModelStandardTransform.POLARITY_BIPOLAR);
                break;

            default:
                break;
        }
        if (id != null)
            return new ModelDestination(id);
        return null;
    }

    private void addTimecentValue(ModelPerformer performer,
            ModelIdentifier dest, short value) {
        double fvalue;
        if (value == -12000)
            fvalue = Double.NEGATIVE_INFINITY;
        else
            fvalue = value;
        performer.getConnectionBlocks().add(
                new ModelConnectionBlock(fvalue, new ModelDestination(dest)));
    }

    private void addValue(ModelPerformer performer,
            ModelIdentifier dest, short value) {
        double fvalue = value;
        performer.getConnectionBlocks().add(
                new ModelConnectionBlock(fvalue, new ModelDestination(dest)));
    }

    private void addValue(ModelPerformer performer,
            ModelIdentifier dest, double value) {
        double fvalue = value;
        performer.getConnectionBlocks().add(
                new ModelConnectionBlock(fvalue, new ModelDestination(dest)));
    }

    private short getGeneratorValue(Map<Integer, Short> generators, int gen) {
        if (generators.containsKey(gen))
            return generators.get(gen);
        return SF2Region.getDefaultValue(gen);
    }
}

Other Java examples (source code examples)

Here is a short list of links related to this Java SF2Instrument.java source code file:

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