/** 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);
}
// 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();
}
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();
}
}
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 static Clip loadClip(URL url) {
Clip clip = null;
String fnm = "" + url;
try {
AudioInputStream stream = AudioSystem.getAudioInputStream(url);
AudioFormat format = stream.getFormat();
if ((format.getEncoding() == AudioFormat.Encoding.ULAW)
|| (format.getEncoding() == AudioFormat.Encoding.ALAW)) {
AudioFormat newFormat =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
format.getSampleRate(),
format.getSampleSizeInBits() * 2,
format.getChannels(),
format.getFrameSize() * 2,
format.getFrameRate(),
true); // big endian
stream = AudioSystem.getAudioInputStream(newFormat, stream);
// System.out.println("Converted Audio format: " + newFormat);
format = newFormat;
}
DataLine.Info info = new DataLine.Info(Clip.class, format);
// make sure sound system supports data line
if (!AudioSystem.isLineSupported(info)) {
System.out.println("Unsupported Clip File: " + fnm);
return null;
}
// get clip line resource
clip = (Clip) AudioSystem.getLine(info);
clip.open(stream); // open the sound file as a clip
stream.close(); // we're done with the input stream
// duration (in secs) of the clip
double duration = clip.getMicrosecondLength() / 1000000.0; // new
if (duration <= 1.0) {
System.out.println("WARNING. Duration <= 1 sec : " + duration + " secs");
System.out.println(
" The clip in " + fnm + " may not play in J2SE 1.5 -- make it longer");
}
// else
// System.out.println(fnm + ": Duration: " + duration + " secs");
} // end of try block
catch (UnsupportedAudioFileException audioException) {
System.out.println("Unsupported audio file: " + fnm);
} catch (LineUnavailableException noLineException) {
System.out.println("No audio line available for : " + fnm);
} catch (IOException ioException) {
System.out.println("Could not read: " + fnm);
} catch (Exception e) {
System.out.println("Problem with " + fnm);
}
return clip;
} // end of loadClip()
private void loadAndPlayAudio(String audioResource) {
try (AudioInputStream soundStream =
AudioSystem.getAudioInputStream(getClass().getResource(audioResource))) {
DataLine.Info info = new DataLine.Info(Clip.class, soundStream.getFormat());
Clip clip = (Clip) AudioSystem.getLine(info);
clip.open(soundStream);
clip.start();
} catch (UnsupportedAudioFileException | IOException | LineUnavailableException ex) {
ex.printStackTrace();
}
}
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();
}
}
public static void main(String[] args) {
try {
byte[] wav = Base64Coder.base64ToBinary(getWaveLiteral().toCharArray(), 0, WAV_SIZE);
InputStream is = new ByteArrayInputStream(wav);
AudioFormat fmt = AudioSystem.getAudioFileFormat(is).getFormat();
AudioInputStream sound = AudioSystem.getAudioInputStream(is);
DataLine.Info info = new DataLine.Info(Clip.class, fmt);
Clip clip = (Clip) AudioSystem.getLine(info);
clip.open(sound);
clip.start();
Thread.sleep(3000);
} catch (Exception ex) {
ex.printStackTrace();
}
}
private void soundAbspielen(File sound) {
if (!läuft) return;
try {
audioInputStream = AudioSystem.getAudioInputStream(sound);
af = audioInputStream.getFormat();
size = (int) (af.getFrameSize() * audioInputStream.getFrameLength());
audio = new byte[size];
info = new DataLine.Info(Clip.class, af, size);
audioInputStream.read(audio, 0, size);
clip = (Clip) AudioSystem.getLine(info);
clip.open(af, audio, 0, size);
clip.start();
} catch (Exception e) {
e.printStackTrace();
}
}
public boolean play() {
try {
if (playState != STOPPED) playStop();
if (audioBytes == null) return false;
DataLine.Info info = new DataLine.Info(Clip.class, format);
clip = (Clip) AudioSystem.getLine(info);
clip.addLineListener(new ClipListener());
long clipStart = (long) (audioBytes.length * getStartTime() / (getDuration() * 1000.0));
long clipEnd = (long) (audioBytes.length * getEndTime() / (getDuration() * 1000.0));
if ((clipEnd - clipStart) > MAX_CLIP_LENGTH) clipEnd = clipStart + MAX_CLIP_LENGTH;
byte[] clipBytes = new byte[(int) (clipEnd - clipStart)];
System.arraycopy(audioBytes, (int) clipStart, clipBytes, 0, clipBytes.length);
clip.open(format, clipBytes, 0, clipBytes.length);
FloatControl panControl = (FloatControl) clip.getControl(FloatControl.Type.PAN);
panControl.setValue((float) panSetting / 100.0f);
double value = (double) gainSetting;
FloatControl gainControl = (FloatControl) clip.getControl(FloatControl.Type.MASTER_GAIN);
float dB = (float) (Math.log(value == 0.0 ? 0.0001 : value) / Math.log(10.0) * 20.0);
gainControl.setValue(dB);
double playStartTime = (player.getSeekTime() / 100) * (playGetLength());
clip.setMicrosecondPosition((long) playStartTime);
clip.start();
playState = PLAYING;
return true;
} catch (Exception ex) {
ex.printStackTrace();
playState = STOPPED;
clip = null;
return false;
}
}
// 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();
}
}
