DLSSample.java

/*
 * 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
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package com.sun.media.sound;

import java.io.InputStream;
import java.util.Arrays;

import javax.sound.midi.Soundbank;
import javax.sound.midi.SoundbankResource;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;

/**
 * This class is used to store the sample data itself.
 * A sample is encoded as PCM audio stream
 * and in DLS Level 1 files it is always a mono 8/16 bit stream.
 * They are stored just like RIFF WAVE files are stored.
 * It is stored inside a "wave" List Chunk inside DLS files.
 *
 * @author Karl Helgason
 */
public final class DLSSample extends SoundbankResource {

    byte[] guid = null;
    DLSInfo info = new DLSInfo();
    DLSSampleOptions sampleoptions;
    ModelByteBuffer data;
    AudioFormat format;

    public DLSSample(Soundbank soundBank) {
        super(soundBank, null, AudioInputStream.class);
    }

    public DLSSample() {
        super(null, null, AudioInputStream.class);
    }

    public DLSInfo getInfo() {
        return info;
    }

    @Override
    public Object getData() {
        AudioFormat format = getFormat();

        InputStream is = data.getInputStream();
        if (is == null)
            return null;
        return new AudioInputStream(is, format, data.capacity());
    }

    public ModelByteBuffer getDataBuffer() {
        return data;
    }

    public AudioFormat getFormat() {
        return format;
    }

    public void setFormat(AudioFormat format) {
        this.format = format;
    }

    public void setData(ModelByteBuffer data) {
        this.data = data;
    }

    public void setData(byte[] data) {
        this.data = new ModelByteBuffer(data);
    }

    public void setData(byte[] data, int offset, int length) {
        this.data = new ModelByteBuffer(data, offset, length);
    }

    @Override
    public String getName() {
        return info.name;
    }

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

    public DLSSampleOptions getSampleoptions() {
        return sampleoptions;
    }

    public void setSampleoptions(DLSSampleOptions sampleOptions) {
        this.sampleoptions = sampleOptions;
    }

    @Override
    public String toString() {
        return "Sample: " + info.name;
    }

    public byte[] getGuid() {
        return guid == null ? null : Arrays.copyOf(guid, guid.length);
    }

    public void setGuid(byte[] guid) {
        this.guid = guid == null ? null : Arrays.copyOf(guid, guid.length);
    }
}