/*
* Return data as a byte array.
*/
private static byte[] readByte(String filename) {
byte[] data = null;
AudioInputStream ais = null;
try {
// try to read from file
File file = new File(filename);
if (file.exists()) {
ais = AudioSystem.getAudioInputStream(file);
data = new byte[ais.available()];
ais.read(data);
}
// try to read from URL
else {
URL url = StdAudio.class.getResource(filename);
ais = AudioSystem.getAudioInputStream(url);
data = new byte[ais.available()];
ais.read(data);
}
} catch (Exception e) {
System.out.println(e.getMessage());
throw new RuntimeException("Could not read " + filename);
}
return data;
}
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 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();
}
}
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 load(File file) {
this.file = file;
if (file != null && file.isFile()) {
try {
errStr = null;
audioInputStream = AudioSystem.getAudioInputStream(file);
fileName = file.getName();
format = audioInputStream.getFormat();
} catch (Exception ex) {
reportStatus(ex.toString());
return false;
}
} else {
reportStatus("Audio file required.");
return false;
}
numChannels = format.getChannels();
sampleRate = (double) format.getSampleRate();
sampleBitSize = format.getSampleSizeInBits();
long frameLength = audioInputStream.getFrameLength();
long milliseconds = (long) ((frameLength * 1000) / audioInputStream.getFormat().getFrameRate());
double audioFileDuration = milliseconds / 1000.0;
if (audioFileDuration > MAX_AUDIO_DURATION) duration = MAX_AUDIO_DURATION;
else duration = audioFileDuration;
frameLength = (int) Math.floor((duration / audioFileDuration) * (double) frameLength);
try {
audioBytes = new byte[(int) frameLength * format.getFrameSize()];
audioInputStream.read(audioBytes);
} catch (Exception ex) {
reportStatus(ex.toString());
return false;
}
getAudioData();
return true;
}
private static WAVData readFromStream(AudioInputStream aIn)
throws UnsupportedAudioFileException, IOException {
ReadableByteChannel aChannel = Channels.newChannel(aIn);
AudioFormat fmt = aIn.getFormat();
int numChannels = fmt.getChannels();
int bits = fmt.getSampleSizeInBits();
int format = AL_FORMAT_MONO8;
if ((bits == 8) && (numChannels == 1)) {
format = AL_FORMAT_MONO8;
} else if ((bits == 16) && (numChannels == 1)) {
format = AL_FORMAT_MONO16;
} else if ((bits == 8) && (numChannels == 2)) {
format = AL_FORMAT_STEREO8;
} else if ((bits == 16) && (numChannels == 2)) {
format = AL_FORMAT_STEREO16;
}
int freq = Math.round(fmt.getSampleRate());
int size = aIn.available();
ByteBuffer buffer = ByteBuffer.allocateDirect(size);
while (buffer.remaining() > 0) {
aChannel.read(buffer);
}
buffer.rewind();
// Must byte swap on big endian platforms
// Thanks to swpalmer on javagaming.org forums for hint at fix
if ((bits == 16) && (ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN)) {
int len = buffer.remaining();
for (int i = 0; i < len; i += 2) {
byte a = buffer.get(i);
byte b = buffer.get(i + 1);
buffer.put(i, b);
buffer.put(i + 1, a);
}
}
WAVData result = new WAVData(buffer, format, size, freq, false);
aIn.close();
return result;
}
// 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();
}
}
/** Loads a Sound from an AudioInputStream. */
public Sound getSound(AudioInputStream audioStream) {
if (audioStream == null) {
return null;
}
// get the number of bytes to read
int length = (int) (audioStream.getFrameLength() * audioStream.getFormat().getFrameSize());
// read the entire stream
byte[] samples = new byte[length];
DataInputStream is = new DataInputStream(audioStream);
try {
is.readFully(samples);
is.close();
} catch (IOException ex) {
ex.printStackTrace();
}
// return the samples
return new Sound(samples);
}
// 取得音频样本
private byte[] getAudioSamples(AudioInputStream MusicStream, AudioFormat format) {
int AudioSampleLengh = (int) (MusicStream.getFrameLength() * format.getFrameSize());
byte aAudioSamples[] = new byte[AudioSampleLengh];
DataInputStream dataInputStream = new DataInputStream(MusicStream);
try {
dataInputStream.readFully(aAudioSamples);
} catch (Exception e) {
e.printStackTrace();
}
return aAudioSamples;
}
