/*
* Copyright (c) 2007, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package com.sun.media.sound;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import javax.sound.midi.InvalidMidiDataException;
import javax.sound.midi.Soundbank;
import javax.sound.midi.spi.SoundbankReader;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
/**
* Soundbank reader that uses audio files as soundbanks.
*
* @author Karl Helgason
*/
public class AudioFileSoundbankReader extends SoundbankReader {
public Soundbank getSoundbank(URL url)
throws InvalidMidiDataException, IOException {
try {
AudioInputStream ais = AudioSystem.getAudioInputStream(url);
Soundbank sbk = getSoundbank(ais);
ais.close();
return sbk;
} catch (UnsupportedAudioFileException e) {
return null;
} catch (IOException e) {
return null;
}
}
public Soundbank getSoundbank(InputStream stream)
throws InvalidMidiDataException, IOException {
stream.mark(512);
try {
AudioInputStream ais = AudioSystem.getAudioInputStream(stream);
Soundbank sbk = getSoundbank(ais);
if (sbk != null)
return sbk;
} catch (UnsupportedAudioFileException e) {
} catch (IOException e) {
}
stream.reset();
return null;
}
public Soundbank getSoundbank(AudioInputStream ais)
throws InvalidMidiDataException, IOException {
try {
byte[] buffer;
if (ais.getFrameLength() == -1) {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
byte[] buff = new byte[1024
- (1024 % ais.getFormat().getFrameSize())];
int ret;
while ((ret = ais.read(buff)) != -1) {
baos.write(buff, 0, ret);
}
ais.close();
buffer = baos.toByteArray();
} else {
buffer = new byte[(int) (ais.getFrameLength()
* ais.getFormat().getFrameSize())];
new DataInputStream(ais).readFully(buffer);
}
ModelByteBufferWavetable osc = new ModelByteBufferWavetable(
new ModelByteBuffer(buffer), ais.getFormat(), -4800);
ModelPerformer performer = new ModelPerformer();
performer.getOscillators().add(osc);
SimpleSoundbank sbk = new SimpleSoundbank();
SimpleInstrument ins = new SimpleInstrument();
ins.add(performer);
sbk.addInstrument(ins);
return sbk;
} catch (Exception e) {
return null;
}
}
public Soundbank getSoundbank(File file)
throws InvalidMidiDataException, IOException {
try {
AudioInputStream ais = AudioSystem.getAudioInputStream(file);
ais.close();
ModelByteBufferWavetable osc = new ModelByteBufferWavetable(
new ModelByteBuffer(file, 0, file.length()), -4800);
ModelPerformer performer = new ModelPerformer();
performer.getOscillators().add(osc);
SimpleSoundbank sbk = new SimpleSoundbank();
SimpleInstrument ins = new SimpleInstrument();
ins.add(performer);
sbk.addInstrument(ins);
return sbk;
} catch (UnsupportedAudioFileException e1) {
return null;
} catch (IOException e) {
return null;
}
}
}