import jm.audio.io.SampleOut;
import jm.audio.io.TextIn;
import jm.audio.synth.EnvPoint;
import java.awt.*;
public final class TextInst 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 TextInst() {
this.fileName = openFile();
this.baseFreq = 440.0;
this.wholeFile = false;
}
public TextInst(String fileName) {
this(fileName, 440.00);
}
public TextInst(String fileName, double baseFreq) {
this(fileName, baseFreq, false);
}
public TextInst(String fileName, double baseFreq, boolean wholeFile) {
this.fileName = fileName;
this.baseFreq = baseFreq;
this.wholeFile = wholeFile;
}
//----------------------------------------------
// 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
TextIn tin = new TextIn(this, fileName, 44100, 1);
SampleOut sout = new SampleOut(tin);
}
// read a file
private String openFile() {
FileDialog loadFile = new FileDialog(new Frame(),
"Select any file to be treated as audio data.",
FileDialog.LOAD);
loadFile.show();
String fileName = loadFile.getDirectory() + loadFile.getFile();
if (fileName == null) {
System.out.println("jMusic TextInst error: No file was selected, exiting program.");
System.exit(0);
}
return fileName;
}
}