Hello -
My application involves some digital audio processing and hence the sound cannot be
stored in a file but rather must be a stream. I have tried many techniques, to get the
input stream MediContainer to work, including the following:
File soundData = new File( "running.au" );
try {
//m_EngineMedia = new MediaContainer( soundData.toURL() );
audioStream = AudioSystem.getAudioInputStream(soundData);
System.out.println( "AudioInputStream: " + audioStream.toString() );
m_EngineMedia = new MediaContainer( audioStream );
m_EngineMedia.setCacheEnable(true);
m_EngineMedia.setCapability(MediaContainer.ALLOW_CACHE_READ );
m_EngineMedia.setCapability(MediaContainer.ALLOW_CACHE_WRITE );
m_EngineMedia.setCapability(MediaContainer.ALLOW_URL_READ );
m_EngineMedia.setCapability(MediaContainer.ALLOW_URL_WRITE );
}
catch( MalformedURLException e )
{
System.out.println( "ERROR: " + e.toString() );
}
catch( UnsupportedAudioFileException UE )
{
System.out.println( "ERROR: " + UE.toString() );
}
catch( IOException IOE )
{
System.out.println( "ERROR: " + IOE.toString() );
}
Every attempt at using a stream results in the following runtime error:
javax.media.j3d.SoundException: null: Sound source data could not be loaded
at javax.media.j3d.SoundScheduler.attachSoundData(SoundScheduler.java:2675)
at javax.media.j3d.SoundScheduler.processSoundAtom(SoundScheduler.java:1285)
at javax.media.j3d.SoundScheduler.calcSchedulingAction(SoundScheduler.java:1577)
at javax.media.j3d.SoundScheduler.renderChanges(SoundScheduler.java:787)
at javax.media.j3d.SoundScheduler.processMessages(SoundScheduler.java:229)
at javax.media.j3d.StructureUpdateThread.doWork(StructureUpdateThread.java:83)
at javax.media.j3d.J3dThread.run(J3dThread.java:256)
I have tried many variations, but nothing works. Has anybody out there been successful
in implementing a stream based MediaContainer ?
Thank you.
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