Package

Source Code of ReverseResampledInst

import jm.audio.io.SampleIn;
import jm.audio.io.SampleOut;
import jm.audio.synth.*;

public final class ReverseResampledInst extends jm.audio.Instrument {
    //----------------------------------------------
    // Attributes
    //----------------------------------------------
    /**
     * the name of the sample file
     */
    private String fileName;
    /**
     * How many channels is the sound file we are using
     */
    private int numOfChannels;
    /**
     * the base frequency of the sample file to be read in
     */
    private double baseFreq;
    /**
     * should we play the wholeFile or just what we need for note duration
     */
    private boolean wholeFile;
    /**
     * The points to use in the construction of Envelopes
     */
    private EnvPoint[] pointArray = new EnvPoint[10];
    //----------------------------------------------
    // Constructor
    //----------------------------------------------

    /**
     * Constructor
     */
    public ReverseResampledInst(String fileName) {
        this(fileName, 440.00);
    }

    public ReverseResampledInst(String fileName, double baseFreq) {
        this(fileName, baseFreq, false);
    }

    public ReverseResampledInst(String fileName, double baseFreq, boolean wholeFile) {
        this.fileName = fileName;
        this.baseFreq = baseFreq;
        this.wholeFile = wholeFile;
        //envelope
        EnvPoint[] tempArray = {
                new EnvPoint((float) 0.0, (float) 0.0),
                new EnvPoint((float) 0.1, (float) 1.0),
                new EnvPoint((float) 0.4, (float) 0.5),
                new EnvPoint((float) 0.9, (float) 0.3),
                new EnvPoint((float) 1.0, (float) 0.0)
        };
        pointArray = tempArray;

    }

    //----------------------------------------------
    // Methods
    //----------------------------------------------

    /**
     * Create the Audio Chain for this Instrument
     * and assign the primary Audio Object(s). The
     * primary audio object(s) are the one or more
     * objects which head up the chain(s)
     */
    public void createChain() {
        //define the chain
        SampleIn sin = new SampleIn(this, fileName);
        NoteBufferReversed nb = new NoteBufferReversed(sin);
        ReSample reSample = new ReSample(nb, this.baseFreq);
        Volume vol = new Volume(reSample, (float) 1.0);
        Envelope env = new Envelope(vol, pointArray);
        SampleOut sout = new SampleOut(env, "jmusic.tmp");
    }
}
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