/** Creates an AudioInputStream from a sound from an input stream */
public AudioInputStream getAudioInputStream(InputStream is) {
try {
if (!is.markSupported()) {
is = new BufferedInputStream(is);
}
// open the source stream
AudioInputStream source = AudioSystem.getAudioInputStream(is);
// convert to playback format
return AudioSystem.getAudioInputStream(playbackFormat, source);
} catch (UnsupportedAudioFileException ex) {
ex.printStackTrace();
} catch (IOException ex) {
ex.printStackTrace();
} catch (IllegalArgumentException ex) {
ex.printStackTrace();
}
return null;
}
private synchronized void startSampled(AudioInputStream as, InputStream in)
throws UnsupportedAudioFileException, LineUnavailableException {
Info info = null;
DataPusher datapusher = null;
DataLine.Info lineinfo = null;
SourceDataLine sourcedataline = null;
// if ALAW or ULAW, we must convert....
as = Toolkit.getPCMConvertedAudioInputStream(as);
if (as == null) {
// could not convert
return;
}
lineinfo = new DataLine.Info(SourceDataLine.class, as.getFormat());
if (!(AudioSystem.isLineSupported(lineinfo))) {
return;
}
sourcedataline = (SourceDataLine) AudioSystem.getLine(lineinfo);
datapusher = new DataPusher(sourcedataline, as);
info = new Info(null, in, datapusher);
infos.addElement(info);
datapusher.start();
}
/** Signals that a PooledThread has started. Creates the Thread's line and buffer. */
protected void threadStarted() {
// wait for the SoundManager constructor to finish
synchronized (this) {
try {
wait();
} catch (InterruptedException ex) {
}
}
// use a short, 100ms (1/10th sec) buffer for filters that
// change in real-time
int bufferSize =
playbackFormat.getFrameSize() * Math.round(playbackFormat.getSampleRate() / 10);
// create, open, and start the line
SourceDataLine line;
DataLine.Info lineInfo = new DataLine.Info(SourceDataLine.class, playbackFormat);
try {
line = (SourceDataLine) AudioSystem.getLine(lineInfo);
line.open(playbackFormat, bufferSize);
} catch (LineUnavailableException ex) {
// the line is unavailable - signal to end this thread
Thread.currentThread().interrupt();
return;
}
line.start();
// create the buffer
byte[] buffer = new byte[bufferSize];
// set this thread's locals
localLine.set(line);
localBuffer.set(buffer);
}
/** Does any clean up before closing. */
protected void cleanUp() {
// signal to unpause
setPaused(false);
// close the mixer (stops any running sounds)
Mixer mixer = AudioSystem.getMixer(null);
if (mixer.isOpen()) {
mixer.close();
}
}
private static void playWav(String name, boolean loop, double volume)
throws FileNotFoundException, IOException, UnsupportedAudioFileException,
LineUnavailableException {
AudioInputStream ais = AudioSystem.getAudioInputStream(new File(path + name));
Clip clip = AudioSystem.getClip();
clip.open(ais);
if (loop) {
clip.loop(-1);
}
((FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN))
.setValue((float) (Math.log(volume) / Math.log(10.) * 20.));
clip.start();
wavMap.put(name, clip);
// // open the sound file as a Java input stream
// InputStream in = new FileInputStream(path + name);
// // create an audiostream from the inputstream
// AudioStream audioStream = new AudioStream(in);
// // play the audio clip with the audioplayer class
// AudioPlayer.player.start(audioStream);
// wavMap.put(name, audioStream);
}
public static void render(OutputStream os, AudioFormat format, Map<String, Object> info)
throws Exception {
AudioSynthesizer synth = (AudioSynthesizer) new SoftSynthesizer();
AudioInputStream stream = synth.openStream(format, info);
Receiver recv = synth.getReceiver();
Soundbank defsbk = synth.getDefaultSoundbank();
if (defsbk != null) synth.unloadAllInstruments(defsbk);
synth.loadAllInstruments(soundbank);
double totalTime = 5;
send(sequence, recv);
long len = (long) (stream.getFormat().getFrameRate() * (totalTime + 4));
stream = new AudioInputStream(stream, stream.getFormat(), len);
long t = System.currentTimeMillis();
AudioSystem.write(stream, AudioFileFormat.Type.WAVE, os);
t = System.currentTimeMillis() - t;
stream.close();
}
/** Open an audio channel. */
public synchronized void openChannel(InputStream in) {
if (DEBUG) {
System.out.println("AudioDevice: openChannel");
System.out.println("input stream =" + in);
}
Info info = null;
// is this already playing? if so, then just return
for (int i = 0; i < infos.size(); i++) {
info = (AudioDevice.Info) infos.elementAt(i);
if (info.in == in) {
return;
}
}
AudioInputStream as = null;
if (in instanceof AudioStream) {
if (((AudioStream) in).midiformat != null) {
// it's a midi file
try {
startMidi(((AudioStream) in).stream, in);
} catch (Exception e) {
return;
}
} else if (((AudioStream) in).ais != null) {
// it's sampled audio
try {
startSampled(((AudioStream) in).ais, in);
} catch (Exception e) {
return;
}
}
} else if (in instanceof AudioDataStream) {
if (in instanceof ContinuousAudioDataStream) {
try {
AudioInputStream ais =
new AudioInputStream(
in, ((AudioDataStream) in).getAudioData().format, AudioSystem.NOT_SPECIFIED);
startSampled(ais, in);
} catch (Exception e) {
return;
}
} else {
try {
AudioInputStream ais =
new AudioInputStream(
in,
((AudioDataStream) in).getAudioData().format,
((AudioDataStream) in).getAudioData().buffer.length);
startSampled(ais, in);
} catch (Exception e) {
return;
}
}
} else {
BufferedInputStream bis = new BufferedInputStream(in, 1024);
try {
try {
as = AudioSystem.getAudioInputStream(bis);
} catch (IOException ioe) {
return;
}
startSampled(as, in);
} catch (UnsupportedAudioFileException e) {
try {
try {
MidiFileFormat mff = MidiSystem.getMidiFileFormat(bis);
} catch (IOException ioe1) {
return;
}
startMidi(bis, in);
} catch (InvalidMidiDataException e1) {
// $$jb:08.01.99: adding this section to make some of our other
// legacy classes work.....
// not MIDI either, special case handling for all others
AudioFormat defformat =
new AudioFormat(AudioFormat.Encoding.ULAW, 8000, 8, 1, 1, 8000, true);
try {
AudioInputStream defaif =
new AudioInputStream(bis, defformat, AudioSystem.NOT_SPECIFIED);
startSampled(defaif, in);
} catch (UnsupportedAudioFileException es) {
return;
} catch (LineUnavailableException es2) {
return;
}
} catch (MidiUnavailableException e2) {
// could not open sequence
return;
}
} catch (LineUnavailableException e) {
return;
}
}
// don't forget adjust for a new stream.
notify();
}
/**
* Gets the maximum number of simultaneous sounds with the specified AudioFormat that the default
* mixer can play.
*/
public static int getMaxSimultaneousSounds(AudioFormat playbackFormat) {
DataLine.Info lineInfo = new DataLine.Info(SourceDataLine.class, playbackFormat);
Mixer mixer = AudioSystem.getMixer(null);
return mixer.getMaxLines(lineInfo);
}
