Re: Opening instruments with appletviewer vs. browser

From:
"Momo" <mjeng@physics.syr.edu>
Newsgroups:
comp.lang.java.programmer
Date:
31 Jan 2007 13:47:32 -0800
Message-ID:
<1170280052.795550.140310@v33g2000cwv.googlegroups.com>
This is just a test program to demonstrate the error. When I run the
program below it doesn't throw an exception, it runs through the first
part and then tells me that there are 0 instruments available.

Momo

On Jan 29, 12:25 am, christop...@dailycrossword.com wrote:

try doing something with your exception rather than throwing it away.

On Jan 26, 10:04 am, "Momo" <m...@physics.syr.edu> wrote:

A Java program that I've written that makes sounds works fine when I
test it with appletviewer, but not when I use a browser (Firefox or
Explorer). The difference is that when I call the MidiSystem
synthesizer with getAvailableInstruments, I get a bunch of instruments
(411) when running it with appletviewer, but none when using a browser.
Why the difference? A short program that demonstrates my problem is
below.

Momo

import javax.swing.*;
import javax.sound.midi.*;

public class SimpleSound extends JApplet
{
   public void init()
   {
      try {
         Synthesizer synth=MidiSystem.getSynthesizer();
         synth.open();
         Instrument[] instr=synth.getAvailableInstruments();
         JOptionPane.showMessageDialog(null,"instr.length="+instr.length);
      }
      catch (MidiUnavailableException e) {
      }
   }

}

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