speech-tools/java/common/cstr/testPrograms/WaveTest.java

 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
 //                                                                        \\
 //                 Centre for Speech Technology Research                  \\
 //                      University of Edinburgh, UK                       \\
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 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\
 //                                                                        \\
 //                  Author: Richard Caley (rjc@cstr.ed.ac.uk)             \\
 //                    Date: Friday 12th September 1997                    \\
 //  --------------------------------------------------------------------  \\
 //  Simple test program to see if wave class works.                       \\
 //                                                                        \\
 //\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\//\\


package cstr.testPrograms;

import java.awt.*;
import java.util.*;
import java.awt.event.*;
import java.awt.image.*;
import java.lang.*;
import java.io.*;

import cstr.awt.*;
import cstr.est.*;
import cstr.est.awt.*;


public class WaveTest 
{

  public static void useage(String com)
    {
      System.out.println("Useage: WaveTest FILENAME " + com);
      System.exit(1);
    }

  public static int save(Wave wv, int pos, String[] args) 
    {
      if (args.length  - pos <3)
	  useage("save NEWFILENAME FORMAT");

      try {
	wv.save(args[pos+1], args[pos+2]);
      } catch (IOException e) {
	System.out.println("Save Error: " + e.getMessage());
	System.exit(1);
      }
      return 3;
    }

  public static int display(Wave wv, int pos, String[] args) 
    {
      if (args.length  - pos <1)
	  useage("display");


      ImageProducer prod = new WaveImageSource(wv, 0, 400, 500, 1500, 150);

      ImageCanvas canvas = new ImageCanvas(prod);

      ScrollWindow win = new ScrollWindow(wv.name(), canvas, 500, 250);

      try {
	win.setVisible(true);
      } catch (AWTError e) {
	System.out.println("Exit: " + e.getMessage());
      }

      return 1;
    }

  public static int resample(Wave wv, int pos, String[] args) 
    {
      if (args.length - pos < 2)
	  useage("resample RATE");

      int rate=0;

      try {
	rate = Integer.decode(args[pos+1]).intValue();
      } catch (NumberFormatException e) {
	System.out.println("Sample rate must be integer > 0 not " + args[pos+1]);
	System.exit(1);
      }

      if (rate <= 0)
	{
	  System.out.println("Sample rate must be > 0");
	  System.exit(1);
	}

      wv.resample(rate);

      return 2;
    }

  public static void main(String [] args)
    {
      System.runFinalizersOnExit(true);

      Wave wv = new Wave();

      if (args.length < 1)
	{
	  useage("COMMAND {ARGS...} ...");
	  return;
	}

      try {
	wv.load(args[0]);
      } catch (FileNotFoundException e) {
	System.out.println("Load Error: " + e.getMessage());
	return;
      }

      int pos=1;

      while (pos < args.length)
	{
	  if (args[pos].equals("save"))
	    pos += save(wv, pos, args);
	  else if (args[pos].equals("resample"))
	    pos += resample(wv, pos, args);
	  else if (args[pos].equals("display"))
	    pos += display(wv, pos, args);
	  else 
	    useage("save/resample/display ...");
	}
    }
}