public void run() {
try {
AudioInputStream ais = AudioSystem.getAudioInputStream(soundFile);
AudioFormat format = ais.getFormat();
// System.out.println("Format: " + format);
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
SourceDataLine source = (SourceDataLine) AudioSystem.getLine(info);
source.open(format);
source.start();
int read = 0;
byte[] audioData = new byte[16384];
while (read > -1) {
read = ais.read(audioData, 0, audioData.length);
if (read >= 0) {
source.write(audioData, 0, read);
}
}
donePlaying = true;
source.drain();
source.close();
} catch (Exception exc) {
System.out.println("error: " + exc.getMessage());
exc.printStackTrace();
}
}
// open up an audio stream
private static void init() {
try {
// 44,100 samples per second, 16-bit audio, mono, signed PCM, little
// Endian
AudioFormat format = new AudioFormat((float) SAMPLE_RATE, BITS_PER_SAMPLE, 1, true, false);
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
line = (SourceDataLine) AudioSystem.getLine(info);
line.open(format, SAMPLE_BUFFER_SIZE * BYTES_PER_SAMPLE);
// the internal buffer is a fraction of the actual buffer size, this
// choice is arbitrary
// it gets divided because we can't expect the buffered data to line
// up exactly with when
// the sound card decides to push out its samples.
buffer = new byte[SAMPLE_BUFFER_SIZE * BYTES_PER_SAMPLE / 3];
listeners = new HashSet<AudioEventListener>();
} catch (Exception e) {
System.err.println("Error initializing StdAudio audio system:");
e.printStackTrace();
System.exit(1);
}
// no sound gets made before this call
line.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);
}
public void beginExecution() {
AudioFormat audioFormat =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED, 44100.0F, 16, 1, numChannels, 44100.0F, false);
// System.out.println("AudioPlayer.playAudioInts audio format: " + audioFormat );
DataLine.Info dataLineInfo = new DataLine.Info(SourceDataLine.class, audioFormat);
if (!AudioSystem.isLineSupported(dataLineInfo)) {
System.out.println("AudioPlayer.playAudioInts does not " + " handle this type of audio.");
return;
}
try {
SourceDataLine sourceLine = (SourceDataLine) AudioSystem.getLine(dataLineInfo);
sourceLine.open(audioFormat);
} catch (LineUnavailableException e) {
e.printStackTrace();
}
chunkIndex = 0;
InitialExecution = true;
}
public SourceDataLine getOutputLine(AudioFormat format) throws LineUnavailableException {
SourceDataLine out;
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
out = (SourceDataLine) mixer.getLine(info);
out.open(format, out.getBufferSize());
return out;
}
public MakoVM(int[] m) {
this.m = m;
try {
AudioFormat format = new AudioFormat(8000f, 8, 1, false, false);
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
soundLine = (SourceDataLine) AudioSystem.getLine(info);
soundLine.open(format, 670);
soundLine.start();
} catch (IllegalArgumentException e) {
System.out.println("Unable to initialize sound.");
} catch (LineUnavailableException e) {
e.printStackTrace();
}
}
// 播放au,aiff,wav音乐流, 这个函数基本完全为帖子上的代码
private synchronized void play() {
ByteArrayInputStream aMusicInputStream;
AudioFormat format;
AudioInputStream musicInputStream;
byte[] audioSamples;
SourceDataLine line;
try {
File MusicFile = new File(m_filename);
musicInputStream = AudioSystem.getAudioInputStream(MusicFile); // 取得文件的音频输入流
format = musicInputStream.getFormat(); // 取得音频输入流的格式
audioSamples = getAudioSamples(musicInputStream, format); // 取得音频样本
aMusicInputStream = new ByteArrayInputStream(audioSamples);
int bufferSize = format.getFrameSize() * Math.round(format.getSampleRate() / 10);
byte[] buffer = new byte[bufferSize];
try {
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
line = (SourceDataLine) AudioSystem.getLine(info);
line.open(format, bufferSize);
} catch (LineUnavailableException e) {
e.printStackTrace();
return;
}
if (!line.isRunning()) {
line.start();
}
int numBytesRead = 0;
while (numBytesRead != -1 && !m_stopped) {
numBytesRead = aMusicInputStream.read(buffer, 0, buffer.length);
if (numBytesRead != -1) {
line.write(buffer, 0, numBytesRead);
}
}
line.drain();
line.close();
} catch (Exception e) {
e.printStackTrace();
}
}
