JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2007, 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;

/**
 * Soundfont general region.
 *
 * @author Karl Helgason
 */
public class SF2Region {

    public static final int GENERATOR_STARTADDRSOFFSET = 0;
    public static final int GENERATOR_ENDADDRSOFFSET = 1;
    public static final int GENERATOR_STARTLOOPADDRSOFFSET = 2;
    public static final int GENERATOR_ENDLOOPADDRSOFFSET = 3;
    public static final int GENERATOR_STARTADDRSCOARSEOFFSET = 4;
    public static final int GENERATOR_MODLFOTOPITCH = 5;
    public static final int GENERATOR_VIBLFOTOPITCH = 6;
    public static final int GENERATOR_MODENVTOPITCH = 7;
    public static final int GENERATOR_INITIALFILTERFC = 8;
    public static final int GENERATOR_INITIALFILTERQ = 9;
    public static final int GENERATOR_MODLFOTOFILTERFC = 10;
    public static final int GENERATOR_MODENVTOFILTERFC = 11;
    public static final int GENERATOR_ENDADDRSCOARSEOFFSET = 12;
    public static final int GENERATOR_MODLFOTOVOLUME = 13;
    public static final int GENERATOR_UNUSED1 = 14;
    public static final int GENERATOR_CHORUSEFFECTSSEND = 15;
    public static final int GENERATOR_REVERBEFFECTSSEND = 16;
    public static final int GENERATOR_PAN = 17;
    public static final int GENERATOR_UNUSED2 = 18;
    public static final int GENERATOR_UNUSED3 = 19;
    public static final int GENERATOR_UNUSED4 = 20;
    public static final int GENERATOR_DELAYMODLFO = 21;
    public static final int GENERATOR_FREQMODLFO = 22;
    public static final int GENERATOR_DELAYVIBLFO = 23;
    public static final int GENERATOR_FREQVIBLFO = 24;
    public static final int GENERATOR_DELAYMODENV = 25;
    public static final int GENERATOR_ATTACKMODENV = 26;
    public static final int GENERATOR_HOLDMODENV = 27;
    public static final int GENERATOR_DECAYMODENV = 28;
    public static final int GENERATOR_SUSTAINMODENV = 29;
    public static final int GENERATOR_RELEASEMODENV = 30;
    public static final int GENERATOR_KEYNUMTOMODENVHOLD = 31;
    public static final int GENERATOR_KEYNUMTOMODENVDECAY = 32;
    public static final int GENERATOR_DELAYVOLENV = 33;
    public static final int GENERATOR_ATTACKVOLENV = 34;
    public static final int GENERATOR_HOLDVOLENV = 35;
    public static final int GENERATOR_DECAYVOLENV = 36;
    public static final int GENERATOR_SUSTAINVOLENV = 37;
    public static final int GENERATOR_RELEASEVOLENV = 38;
    public static final int GENERATOR_KEYNUMTOVOLENVHOLD = 39;
    public static final int GENERATOR_KEYNUMTOVOLENVDECAY = 40;
    public static final int GENERATOR_INSTRUMENT = 41;
    public static final int GENERATOR_RESERVED1 = 42;
    public static final int GENERATOR_KEYRANGE = 43;
    public static final int GENERATOR_VELRANGE = 44;
    public static final int GENERATOR_STARTLOOPADDRSCOARSEOFFSET = 45;
    public static final int GENERATOR_KEYNUM = 46;
    public static final int GENERATOR_VELOCITY = 47;
    public static final int GENERATOR_INITIALATTENUATION = 48;
    public static final int GENERATOR_RESERVED2 = 49;
    public static final int GENERATOR_ENDLOOPADDRSCOARSEOFFSET = 50;
    public static final int GENERATOR_COARSETUNE = 51;
    public static final int GENERATOR_FINETUNE = 52;
    public static final int GENERATOR_SAMPLEID = 53;
    public static final int GENERATOR_SAMPLEMODES = 54;
    public static final int GENERATOR_RESERVED3 = 55;
    public static final int GENERATOR_SCALETUNING = 56;
    public static final int GENERATOR_EXCLUSIVECLASS = 57;
    public static final int GENERATOR_OVERRIDINGROOTKEY = 58;
    public static final int GENERATOR_UNUSED5 = 59;
    public static final int GENERATOR_ENDOPR = 60;
    protected Map<Integer, Short> generators = new HashMap<>();
    protected List<SF2Modulator> modulators = new ArrayList<>();

    public Map<Integer, Short> getGenerators() {
        return generators;
    }

    public boolean contains(int generator) {
        return generators.containsKey(generator);
    }

    public static short getDefaultValue(int generator) {
        if (generator == 8) return (short)13500;
        if (generator == 21) return (short)-12000;
        if (generator == 23) return (short)-12000;
        if (generator == 25) return (short)-12000;
        if (generator == 26) return (short)-12000;
        if (generator == 27) return (short)-12000;
        if (generator == 28) return (short)-12000;
        if (generator == 30) return (short)-12000;
        if (generator == 33) return (short)-12000;
        if (generator == 34) return (short)-12000;
        if (generator == 35) return (short)-12000;
        if (generator == 36) return (short)-12000;
        if (generator == 38) return (short)-12000;
        if (generator == 43) return (short)0x7F00;
        if (generator == 44) return (short)0x7F00;
        if (generator == 46) return (short)-1;
        if (generator == 47) return (short)-1;
        if (generator == 56) return (short)100;
        if (generator == 58) return (short)-1;
        return 0;
    }

    public short getShort(int generator) {
        if (!contains(generator))
            return getDefaultValue(generator);
        return generators.get(generator);
    }

    public void putShort(int generator, short value) {

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