/*
* VorbisSilenceTestCase.java
*/
/*
* Copyright (c) 2003 by Dan Rollo
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published
* by the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.tritonus.test;
import java.io.File;
import java.io.IOException;
import junit.framework.TestCase;
import org.tritonus.share.sampled.file.AudioOutputStream;
import org.tritonus.share.sampled.AudioSystemShadow;
import javax.sound.sampled.*;
/** Tests conversion of Ogg files with long silence at the start of the file.
* NOTE: These tests create a large (26mb) temporary audio file in the sounds dir
* which is deleted after the test completes, but be sure you have sufficient disk space.
*/
public class VorbisSilenceTestCase
extends TestCase
{
private File _sourceFileOgg = new File("sounds/testsilence.ogg");
private File _destFileWav = new File("sounds/testsilenceout.wav");
public VorbisSilenceTestCase(String strName)
{
super(strName);
}
protected void setUp()
{
assertTrue("Missing required test file: " + _sourceFileOgg.getAbsolutePath(),
_sourceFileOgg.exists());
_destFileWav.deleteOnExit();
}
protected void tearDown()
{
assertTrue("Deleted required test file: " + _sourceFileOgg.getAbsolutePath(),
_sourceFileOgg.exists());
if (_destFileWav.exists())
{
// remove converted file
assertTrue("Couldn't delete file: " + _destFileWav.getAbsolutePath()
+ "; size: " + _destFileWav.length()
+ ". (0 size may mean file is locked by buffer loop.)",
_destFileWav.delete());
}
}
public void testConvertSilentOggWithAudioOutStream() throws Exception
{
final AudioInputStream inAIStreamOgg = AudioSystem.getAudioInputStream(_sourceFileOgg);
final AudioFormat destAudioFormatPCM = new AudioFormat(44100.0F, 16, 1, true, false);
final AudioInputStream inAIStreamPCM = AudioSystem.getAudioInputStream(destAudioFormatPCM, inAIStreamOgg);
final AudioOutputStream outAOStreamWavPCM = AudioSystemShadow.getAudioOutputStream(
AudioFileFormat.Type.WAVE,
destAudioFormatPCM,
AudioSystem.NOT_SPECIFIED,
_destFileWav);
class StreamPump extends Thread {
boolean isRunFinished;
StreamPump() {
super("SilenceTest-StreamPump");
}
public void run()
{
// pump the streams
int readCnt;
final byte[] buf = new byte[65536];
int cnt = 0;
try {
while ((readCnt = inAIStreamPCM.read(buf, 0, buf.length)) != -1) {
outAOStreamWavPCM.write(buf, 0, readCnt);
cnt++;
//System.out.println("readCnt: " + readCnt + " after write, loop cnt: " + cnt);
}
} catch (IOException e) {
e.printStackTrace();
fail("Exception pumping streams: " + e.getMessage());
}
isRunFinished = true;
}
};
StreamPump t = new StreamPump();
t.start();
// wait for conversion to finish, within reasonable time
final int maxWait = 60;
int waitCnt = 0;
while (t.isAlive() && waitCnt++ < maxWait)
{
Thread.sleep(1000);
}
outAOStreamWavPCM.close();
inAIStreamPCM.close();
inAIStreamOgg.close();
assertTrue("Converted wav file is empty: " + _destFileWav.getAbsolutePath(), _destFileWav.length() > 0);
assertTrue("Conversion never finished run() method", t.isRunFinished);
assertTrue("Conversion timeout expired", waitCnt < maxWait);
// attempt to read the resulting wav file
final AudioInputStream aisDest = AudioSystem.getAudioInputStream(_destFileWav);
// attempt to play the resulting wav file - 5 minutes of silence
playStream(aisDest);
}
public void testConvertSilentOggWithAudioSystem() throws Exception
{
final AudioInputStream inAIStreamOgg = AudioSystem.getAudioInputStream(_sourceFileOgg);
final AudioFormat destAudioFormatPCM = new AudioFormat(44100.0F, 16, 1, true, false);
final AudioInputStream inAIStreamPCM = AudioSystem.getAudioInputStream(destAudioFormatPCM, inAIStreamOgg);
AudioSystem.write(inAIStreamPCM, AudioFileFormat.Type.WAVE, _destFileWav);
inAIStreamPCM.close();
inAIStreamOgg.close();
assertTrue("Converted wav file is empty: " + _destFileWav.getAbsolutePath(), _destFileWav.length() > 0);
// attempt to read the resulting wav file
final AudioInputStream aisDest = AudioSystem.getAudioInputStream(_destFileWav);
// attempt to play the resulting wav file - 5 minutes of silence
playStream(aisDest);
}
/** Play the given audio stream. Closes the stream when finised.
* @param streamToPlay the audio stream to play
* @throws LineUnavailableException if can't get line for stream's format
* @throws IOException if problem occurs reading the stream
*/
private static void playStream(final AudioInputStream streamToPlay)
throws LineUnavailableException, IOException {
// @todo Comment this out to really play the file
if (1==1) {
streamToPlay.close();
// @todo Why is GC required to get AudioSytem to release these files???
// To see the error (under Win2K, jdk 1.3.1_02-b02), just comment out the gc below.
System.gc();
return;
}
final SourceDataLine line = (SourceDataLine)AudioSystem.getLine(
new DataLine.Info(SourceDataLine.class, streamToPlay.getFormat()));
line.open();
line.start();
try {
byte[] buf = new byte[1024];
int readCnt;
while ((readCnt = streamToPlay.read(buf, 0, buf.length)) != -1) {
line.write(buf, 0, readCnt);
}
} finally {
// kludge to get last bit played
try { Thread.sleep(1000); } catch(InterruptedException e) {}
streamToPlay.close();
line.stop();
line.close();
}
}
}
/*** VorbisSilenceTestCase.java ***/