/*
* MultiAudioStreamPlayer.java
*
* This file is part of jsresources.org
*/
/*
* Copyright (c) 1999 by Matthias Pfisterer
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
|<--- this code is formatted to fit into 80 columns --->|
*/
import java.io.File;
import java.io.IOException;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.UnsupportedAudioFileException;
import javax.sound.sampled.SourceDataLine;
// import AudioStream;
/** <titleabbrev>MultiAudioStreamPlayer</titleabbrev>
<title>Playing multiple audio files concurrently</title>
<formalpara><title>Purpose</title>
<para>This program plays multiple audio files
concurrently.
It opens each file given on the command line and starts it.
The program uses the class <classname>AudioStream</classname>.</para>
</formalpara>
<formalpara><title>Usage</title>
<para>
<cmdsynopsis>
<command>java MultiAudioStreamPlayer</command>
<arg choice="plain" rep="repeat"><replaceable>audiofile</replaceable></arg>
</cmdsynopsis>
</para></formalpara>
<formalpara><title>Parameters</title>
<variablelist>
<varlistentry>
<term><replaceable>audiofile</replaceable></term>
<listitem><para>the name(s) of the audio file(s) to play</para></listitem>
</varlistentry>
</variablelist>
</formalpara>
<formalpara><title>Bugs, limitations</title>
<para>Not well-tested</para></formalpara>
<formalpara><title>Source code</title>
<para>
<ulink url="MultiAudioStreamPlayer.java.html">MultiAudioStreamPlayer.java</ulink>,
<ulink url="SimpleAudioStream.java.html">SimpleAudioStream.java</ulink>,
<ulink url="BaseAudioStream.java.html">BaseAudioStream.java</ulink>
</para>
</formalpara>
*/
public class MultiAudioStreamPlayer
{
public static void main(String[] args)
{
/*
* We check that there is at least one command-line
* argument. If not, we display the usage message and
* exit.
*/
if (args.length < 1)
{
out("MultiAudioStreamPlayer: usage:");
out("\tjava MultiAudioStreamPlayer <soundfile1> <soundfile2> ...");
System.exit(1);
}
/*
* Now, that we're shure there is at least one argument,
* we take each argument as the filename of the soundfile
* we want to play.
*/
for (int i = 0; i < args.length; i++)
{
String strFilename = args[i];
File soundFile = new File(strFilename);
/*
* We just create an AudioStream object by
* passing a File object for the soundfile to
* the constructor. All hairy details are
* handled inside of AudioStream.
*/
SimpleAudioStream audioStream = null;
try
{
audioStream = new SimpleAudioStream(soundFile);
}
catch (LineUnavailableException e)
{
/*
* In case of an exception, we dump the
* exception including the stack trace
* to the console output. Then, we exit
* the program.
*/
e.printStackTrace();
System.exit(1);
}
catch (UnsupportedAudioFileException e)
{
e.printStackTrace();
System.exit(1);
}
catch (IllegalArgumentException e)
{
e.printStackTrace();
System.exit(1);
}
catch (IOException e)
{
e.printStackTrace();
System.exit(1);
}
/*
* We start the playback.
*/
audioStream.start();
}
/*
* TODO: use some (yet to be defined) function in
* AudioStream to wait until it is finished, then
* exit the VM.
*/
}
private static void out(String strMessage)
{
System.out.println(strMessage);
}
}
/*** MultiAudioStreamPlayer.java ***/