SourceDataLine getSourceDataLine(AudioFormat format, int bufferSize) {
SourceDataLine line = null;
DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
if (AudioSystem.isLineSupported(info)) {
try {
if (outputMixer == null) {
line = (SourceDataLine) AudioSystem.getLine(info);
} else {
line = (SourceDataLine) outputMixer.getLine(info);
}
// remember that time you spent, like, an entire afternoon fussing
// with this buffer size to try to get the latency decent on Linux?
// Yah, don't fuss with this anymore, ok?
line.open(format, bufferSize * format.getFrameSize() * 4);
if (line.isOpen()) {
debug(
"SourceDataLine is "
+ line.getClass().toString()
+ "\n"
+ "Buffer size is "
+ line.getBufferSize()
+ " bytes.\n"
+ "Format is "
+ line.getFormat().toString()
+ ".");
return line;
}
} catch (LineUnavailableException e) {
error("Couldn't open the line: " + e.getMessage());
}
}
error("Unable to return a SourceDataLine: unsupported format - " + format.toString());
return line;
}
TargetDataLine getTargetDataLine(AudioFormat format, int bufferSize) {
TargetDataLine line = null;
DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
if (AudioSystem.isLineSupported(info)) {
try {
if (inputMixer == null) {
line = (TargetDataLine) AudioSystem.getLine(info);
} else {
line = (TargetDataLine) inputMixer.getLine(info);
}
line.open(format, bufferSize * format.getFrameSize());
debug(
"TargetDataLine buffer size is "
+ line.getBufferSize()
+ "\n"
+ "TargetDataLine format is "
+ line.getFormat().toString()
+ "\n"
+ "TargetDataLine info is "
+ line.getLineInfo().toString());
} catch (Exception e) {
error("Error acquiring TargetDataLine: " + e.getMessage());
}
} else {
error("Unable to return a TargetDataLine: unsupported format - " + format.toString());
}
return line;
}
/**
* Stop recording and give us the clip.
*
* @return the clip that was recorded since the last time start was called
* @see #start
*/
public short[] stop() {
synchronized (lock) {
if (recorder == null) {
return new short[0];
}
ByteArrayOutputStream out = recorder.stopRecording();
microphone.close();
recorder = null;
byte audioBytes[] = out.toByteArray();
ByteArrayInputStream in = new ByteArrayInputStream(audioBytes);
try {
short[] samples = RawReader.readAudioData(in, inFormat);
if (downsample) {
samples =
Downsampler.downsample(
samples,
(int) (inFormat.getSampleRate() / 1000.0f),
(int) (outFormat.getSampleRate() / 1000.0f));
}
return samples;
} catch (IOException e) {
e.printStackTrace();
return new short[0];
}
}
}
/** 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);
}
/** @see com.groovemanager.sampled.AudioPlayerProvider#rec(byte[], int, int) */
public int rec(byte[] b, int offset, int length) {
if (this.editor.player.getStatus() != AudioPlayer.RECORDING
&& this.editor.player.getStatus() != AudioPlayer.PAUSE_REC) return 0;
int written = 0;
try {
out.write(b, offset, length);
written = length;
((DynamicAudioFileWaveForm) afWF).append(b, offset, length);
afSource.appendFrames(length / format.getFrameSize());
} catch (IOException e) {
e.printStackTrace();
}
recCount += written / format.getFrameSize();
if (recCount >= format.getSampleRate()) {
recCount -= format.getSampleRate();
waveDisplay
.getComposite()
.getDisplay()
.asyncExec(
new Runnable() {
public void run() {
waveDisplay.zoom(getTotalLength() / 30.0 / format.getSampleRate());
cutList.update();
}
});
}
return written;
}
private void doPlay(File file) {
AudioInputStream actualAudioIn = null;
this.file = file;
try (AudioInputStream audioIn = AudioSystem.getAudioInputStream(file)) {
AudioFormat baseFormat = audioIn.getFormat();
System.out.println(baseFormat.getEncoding());
AudioFormat decodedFormat = getDecodedFormat(baseFormat);
// make new audio in stream based on decoded format
actualAudioIn = AudioSystem.getAudioInputStream(decodedFormat, audioIn);
// get data from audio system
line = getLine(decodedFormat);
line.addLineListener(this);
doPlay(decodedFormat, actualAudioIn);
audioIn.close();
} catch (Exception e) {
logger.log(Level.WARNING, "Exception playing file '" + file.getName() + "'", e);
} finally {
if (actualAudioIn != null) {
try {
actualAudioIn.close();
} catch (IOException e) {
}
}
if (line != null) line.close();
}
}
public void play(InputStream source) {
int bufferSize = format.getFrameSize() * Math.round(format.getSampleRate() / 10);
byte[] buffer = new byte[bufferSize];
SourceDataLine line;
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;
}
line.start();
try {
int numBytesRead = 0;
while (numBytesRead != -1) {
numBytesRead = source.read(buffer, 0, buffer.length);
if (numBytesRead != -1) line.write(buffer, 0, numBytesRead);
}
} catch (IOException e) {
e.printStackTrace();
}
line.drain();
line.close();
}
/**
* Construct an audio input stream from which <code>duration</code> seconds of silence can be
* read.
*
* @param duration the desired duration of the silence, in seconds
* @param format the desired audio format of the audio input stream. getFrameSize() and
* getFrameRate() must return meaningful values.
*/
public SilenceAudioInputStream(double duration, AudioFormat format) {
super(
new ByteArrayInputStream(
new byte[(int) (format.getFrameSize() * format.getFrameRate() * duration)]),
format,
(long) (format.getFrameRate() * duration));
}
/**
* load the desired sound data into memory.
*
* @param filename
* @return
* @throws IOException
* @throws UnsupportedAudioFileException
*/
private GameSoundData loadSound(String filename)
throws IOException, UnsupportedAudioFileException {
// should find sounds placed in root of jar file, which build file should do;
// in an ide, setting should be tweaked to see audio dir as on path.
// (e.g., in eclipse, run -> debug configs -> classpath -> add folder,
// or place audio files in root of runtime dir, likely "bin")
InputStream is = this.getClass().getClassLoader().getResourceAsStream(filename);
is = new BufferedInputStream(is);
AudioFileFormat fileFormat = AudioSystem.getAudioFileFormat(is);
AudioInputStream ais = AudioSystem.getAudioInputStream(is);
AudioFormat audioFormat = fileFormat.getFormat();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int bufSize = BUFLEN * audioFormat.getFrameSize();
byte[] byteBuf = new byte[bufSize];
while (true) {
int nRead = ais.read(byteBuf);
if (nRead == -1) break;
baos.write(byteBuf, 0, nRead);
}
;
ais.close();
is.close();
GameSoundData gsd = new GameSoundData();
gsd.format = audioFormat;
gsd.rawData = baos.toByteArray();
baos.close();
return gsd;
}
protected void startFile(File file) {
currentFile = file;
AudioFormat format;
try {
format = AudioSystem.getAudioFileFormat(file).getFormat();
float samplerate = format.getSampleRate();
int size = 1024;
int overlap = 0;
PitchResyntheziser prs = new PitchResyntheziser(samplerate);
estimationGain = new GainProcessor(estimationGainSlider.getValue() / 100.0);
estimationDispatcher = AudioDispatcher.fromFile(file, size, overlap);
estimationDispatcher.addAudioProcessor(new PitchProcessor(algo, samplerate, size, prs));
estimationDispatcher.addAudioProcessor(estimationGain);
estimationDispatcher.addAudioProcessor(new AudioPlayer(format));
sourceGain = new GainProcessor(sourceGainSlider.getValue() / 100.0);
sourceDispatcher = AudioDispatcher.fromFile(file, size, overlap);
sourceDispatcher.addAudioProcessor(sourceGain);
sourceDispatcher.addAudioProcessor(new AudioPlayer(format));
new Thread(estimationDispatcher).start();
new Thread(sourceDispatcher).start();
} catch (UnsupportedAudioFileException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (LineUnavailableException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
/**
* Test method for {@link net.sourceforge.gjtapi.protocols.JavaSoundParser#parse(java.net.URL)} .
*
* @exception Exception test failed.
*/
@Test
public void testParse() throws Exception {
final URL url = new URL("playback://audio?rate=8000&channels=2&encoding=pcm");
AudioFormat format = JavaSoundParser.parse(url);
Assert.assertEquals(new Float(8000.0), new Float(format.getSampleRate()));
Assert.assertEquals(2, format.getChannels());
Assert.assertEquals(AudioFormat.Encoding.PCM_SIGNED, format.getEncoding());
}
public AudioRecordingStream getAudioRecordingStream(String filename, int bufferSize) {
AudioRecordingStream mstream = null;
if (getAudioInputStream(filename) == null)
debug("Reading from " + getAudioInputStream(filename).getClass().toString());
if (getAudioInputStream(filename) != null) {
debug("File format is: " + getAudioInputStream(filename).getFormat().toString());
AudioFormat format = getAudioInputStream(filename).getFormat();
// special handling for mp3 files because
// they need to be converted to PCM
if (format instanceof MpegAudioFormat) {
AudioFormat baseFormat = format;
format =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
baseFormat.getSampleRate(),
16,
baseFormat.getChannels(),
baseFormat.getChannels() * 2,
baseFormat.getSampleRate(),
false);
// converts the stream to PCM audio from mp3 audio
AudioInputStream decAis = getAudioInputStream(format, getAudioInputStream(filename));
// source data line is for sending the file audio out to the
// speakers
SourceDataLine line = getSourceDataLine(format, bufferSize);
if (decAis != null && line != null) {
Map<String, Object> props = getID3Tags(filename);
long lengthInMillis = -1;
if (props.containsKey("duration")) {
Long dur = (Long) props.get("duration");
if (dur.longValue() > 0) {
lengthInMillis = dur.longValue() / 1000;
}
}
MP3MetaData meta = new MP3MetaData(filename, lengthInMillis, props);
mstream =
new JSMPEGAudioRecordingStream(
this, meta, getAudioInputStream(filename), decAis, line, bufferSize);
}
} // format instanceof MpegAudioFormat
else {
// source data line is for sending the file audio out to the
// speakers
SourceDataLine line = getSourceDataLine(format, bufferSize);
if (line != null) {
long length =
AudioUtils.frames2Millis(getAudioInputStream(filename).getFrameLength(), format);
BasicMetaData meta = new BasicMetaData(filename, length);
mstream =
new JSPCMAudioRecordingStream(
this, meta, getAudioInputStream(filename), line, bufferSize);
}
} // else
} // ais != null
return mstream;
}
private static boolean checkDirect(AudioFormat srcFormat, boolean neg) {
AudioFormat targetFormat =
new AudioFormat(
srcFormat.getSampleRate(),
srcFormat.getSampleSizeInBits(),
srcFormat.getChannels(),
true,
false);
return checkConversion(srcFormat, targetFormat, neg);
}
public AudioFormat[] getTargetFormats(
AudioFormat.Encoding targetEncoding, AudioFormat sourceFormat) {
if ((AudioFormat.Encoding.PCM_SIGNED.equals(targetEncoding)
&& AudioFormat.Encoding.ULAW.equals(sourceFormat.getEncoding()))
|| (AudioFormat.Encoding.ULAW.equals(targetEncoding)
&& AudioFormat.Encoding.PCM_SIGNED.equals(sourceFormat.getEncoding()))) {
return getOutputFormats(sourceFormat);
} else {
return new AudioFormat[0];
}
}
// http://stackoverflow.com/questions/13789063/get-sound-from-a-url-with-java
private void playMP3(final String url) {
try {
// Create the JavaFX Panel for the WebView
JFXPanel fxPanel = new JFXPanel();
fxPanel.setLocation(new Point(0, 0));
// Initialize the webView in a JavaFX-Thread
Platform.runLater(
new Runnable() {
public void run() {
MediaPlayer player = new MediaPlayer(new Media(url));
player.play();
}
});
if (true) return;
AudioInputStream in = AudioSystem.getAudioInputStream(new URL(url));
AudioFormat baseFormat = in.getFormat();
AudioFormat decodedFormat =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
baseFormat.getSampleRate(),
16,
baseFormat.getChannels(),
baseFormat.getChannels() * 2,
baseFormat.getSampleRate(),
false);
AudioInputStream din = AudioSystem.getAudioInputStream(decodedFormat, in);
DataLine.Info info = new DataLine.Info(SourceDataLine.class, decodedFormat);
SourceDataLine line = (SourceDataLine) AudioSystem.getLine(info);
if (line != null) {
line.open(decodedFormat);
byte[] data = new byte[4096];
// Start
line.start();
int nBytesRead;
while ((nBytesRead = din.read(data, 0, data.length)) != -1) {
line.write(data, 0, nBytesRead);
}
// Stop
line.drain();
line.stop();
line.close();
din.close();
}
} catch (Exception e) {
App.debug("playing MP3 failed " + url + " " + e.toString());
}
}
/* public AudioInputStream getConvertedStream(AudioFormat outputFormat, AudioInputStream stream) { */
private AudioInputStream getConvertedStream(AudioFormat outputFormat, AudioInputStream stream) {
AudioInputStream cs = null;
AudioFormat inputFormat = stream.getFormat();
if (inputFormat.matches(outputFormat)) {
cs = stream;
} else {
cs = (AudioInputStream) (new UlawCodecStream(stream, outputFormat));
}
return cs;
}
private void adjustConfigurations(AudioFormat format) {
int sampleRate = (int) format.getSampleRate();
int sampleSize = (int) format.getSampleSizeInBits();
int channels = (int) format.getChannels();
// int blockSize = sc.getMaxBlockSize();
/*
* sc = new StreamConfiguration(channels, blockSize, blockSize,
* sampleRate, sampleSize);
*/
sc.setSampleRate(sampleRate);
sc.setBitsPerSample(sampleSize);
sc.setChannelCount(channels);
}
private void play(
AudioInputStream audioInputStream, AudioFormat audioFormat, SourceDataLine dataLine) {
int bufferSize = (int) audioFormat.getSampleRate() * audioFormat.getFrameSize();
byte[] buffer = new byte[bufferSize];
int bytesRead = 0;
while (true) {
bytesRead = read(audioInputStream, buffer);
if (bytesRead == -1) return;
dataLine.write(buffer, 0, bytesRead);
}
}
public AudioInputStream getAudioInputStream(
AudioFormat.Encoding targetEncoding, AudioInputStream sourceStream) {
AudioFormat sourceFormat = sourceStream.getFormat();
AudioFormat.Encoding sourceEncoding = sourceFormat.getEncoding();
if (sourceEncoding.equals(targetEncoding)) {
return sourceStream;
} else {
AudioFormat targetFormat = null;
if (!isConversionSupported(targetEncoding, sourceStream.getFormat())) {
throw new IllegalArgumentException(
"Unsupported conversion: "
+ sourceStream.getFormat().toString()
+ " to "
+ targetEncoding.toString());
}
if (AudioFormat.Encoding.ULAW.equals(sourceEncoding)
&& AudioFormat.Encoding.PCM_SIGNED.equals(targetEncoding)) {
targetFormat =
new AudioFormat(
targetEncoding,
sourceFormat.getSampleRate(),
16,
sourceFormat.getChannels(),
2 * sourceFormat.getChannels(),
sourceFormat.getSampleRate(),
sourceFormat.isBigEndian());
} else if (AudioFormat.Encoding.PCM_SIGNED.equals(sourceEncoding)
&& AudioFormat.Encoding.ULAW.equals(targetEncoding)) {
targetFormat =
new AudioFormat(
targetEncoding,
sourceFormat.getSampleRate(),
8,
sourceFormat.getChannels(),
sourceFormat.getChannels(),
sourceFormat.getSampleRate(),
false);
} else {
throw new IllegalArgumentException(
"Unsupported conversion: "
+ sourceStream.getFormat().toString()
+ " to "
+ targetEncoding.toString());
}
return getAudioInputStream(targetFormat, sourceStream);
}
}
/**
* Numbers used here are verbatim from Javazoom
*
* @param baseFormat
* @return
*/
private AudioFormat getDecodedFormat(AudioFormat baseFormat) {
// Do we need to "decode" the base format?
if (AudioFormat.Encoding.PCM_SIGNED.equals(baseFormat.getEncoding())
|| AudioFormat.Encoding.PCM_UNSIGNED.equals(baseFormat.getEncoding())) {
return baseFormat;
}
return new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
baseFormat.getSampleRate(),
16,
baseFormat.getChannels(),
baseFormat.getChannels() * 2,
baseFormat.getSampleRate(),
false);
}
public AudioRecording getAudioRecordingClip(String filename) {
Clip clip = null;
AudioMetaData meta = null;
AudioInputStream ais = getAudioInputStream(filename);
if (ais != null) {
AudioFormat format = ais.getFormat();
if (format instanceof MpegAudioFormat) {
AudioFormat baseFormat = format;
format =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
baseFormat.getSampleRate(),
16,
baseFormat.getChannels(),
baseFormat.getChannels() * 2,
baseFormat.getSampleRate(),
false);
// converts the stream to PCM audio from mp3 audio
ais = getAudioInputStream(format, ais);
}
DataLine.Info info = new DataLine.Info(Clip.class, ais.getFormat());
if (AudioSystem.isLineSupported(info)) {
// Obtain and open the line.
try {
clip = (Clip) AudioSystem.getLine(info);
clip.open(ais);
} catch (Exception e) {
error("Error obtaining Javasound Clip: " + e.getMessage());
return null;
}
Map<String, Object> props = getID3Tags(filename);
long lengthInMillis = -1;
if (props.containsKey("duration")) {
Long dur = (Long) props.get("duration");
lengthInMillis = dur.longValue() / 1000;
}
meta = new MP3MetaData(filename, lengthInMillis, props);
} else {
error("File format not supported.");
return null;
}
}
if (meta == null) {
// this means we're dealing with not-an-mp3
meta = new BasicMetaData(filename, clip.getMicrosecondLength() / 1000);
}
return new JSAudioRecordingClip(clip, meta);
}
private void loadFile(String basename) {
try {
File wavFile = new File(wavDir, basename + db.getProp(db.WAVEXT));
if (!wavFile.exists())
throw new IllegalArgumentException("File " + wavFile.getAbsolutePath() + " does not exist");
File labFile = new File(phoneLabDir, basename + db.getProp(db.LABEXT));
if (!labFile.exists())
throw new IllegalArgumentException("File " + labFile.getAbsolutePath() + " does not exist");
// pm file is optional
File pmFile = new File(pmDir, basename + db.getProp(PMEXT));
if (pmFile.exists()) {
System.out.println("Loading pitchmarks file " + pmFile.getAbsolutePath());
pitchmarks = new ESTTextfileDoubleDataSource(pmFile).getAllData();
} else {
System.out.println("Pitchmarks file " + pmFile.getAbsolutePath() + " does not exist");
pitchmarks = null;
}
AudioInputStream ais = AudioSystem.getAudioInputStream(wavFile);
audioFormat = ais.getFormat();
samplingRate = (int) audioFormat.getSampleRate();
audioSignal = new AudioDoubleDataSource(ais).getAllData();
String file = FileUtils.getFileAsString(labFile, "ASCII");
String[] lines = file.split("\n");
labels.setListData(lines);
saveFilename.setText(basename);
} catch (Exception e) {
e.printStackTrace();
}
}
public AudioSample getAudioSample(
float[] left, float[] right, AudioFormat format, int bufferSize) {
FloatSampleBuffer sample = new FloatSampleBuffer(2, left.length, format.getSampleRate());
System.arraycopy(left, 0, sample.getChannel(0), 0, left.length);
System.arraycopy(right, 0, sample.getChannel(1), 0, right.length);
return getAudioSampleImp(sample, format, bufferSize);
}
@Override
public void iniciouLeituraSom(AudioFormat format) {
this.sampleRate = format.getFrameRate();
this.idxTempo = 0;
this.listaFrequenciasTempo = new ArrayList<FrequenciasSomTempo>();
this.dadosAmostra = new double[0];
}
@Override
public int hashCode() {
int result = audioFormat != null ? audioFormat.hashCode() : 0;
result = 31 * result + (realData != null ? Arrays.hashCode(realData) : 0);
result = 31 * result + frameNumber;
return result;
}
/** Inits Audio ressources from AudioSystem.<br> */
protected void initLine() throws LineUnavailableException {
log.info("initLine()");
if (m_line == null) {
createLine();
}
if (!m_line.isOpen()) {
openLine();
} else {
AudioFormat lineAudioFormat = m_line.getFormat();
AudioFormat audioInputStreamFormat =
m_audioInputStream == null ? null : m_audioInputStream.getFormat();
if (!lineAudioFormat.equals(audioInputStreamFormat)) {
m_line.close();
openLine();
}
}
}
public AudioSample getAudioSample(String filename, int bufferSize) {
AudioInputStream ais = getAudioInputStream(filename);
if (ais != null) {
AudioMetaData meta = null;
AudioFormat format = ais.getFormat();
FloatSampleBuffer samples = null;
if (format instanceof MpegAudioFormat) {
AudioFormat baseFormat = format;
format =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
baseFormat.getSampleRate(),
16,
baseFormat.getChannels(),
baseFormat.getChannels() * 2,
baseFormat.getSampleRate(),
false);
// converts the stream to PCM audio from mp3 audio
ais = getAudioInputStream(format, ais);
// get a map of properties so we can find out how long it is
Map<String, Object> props = getID3Tags(filename);
// there is a property called mp3.length.bytes, but that is
// the length in bytes of the mp3 file, which will of course
// be much shorter than the decoded version. so we use the
// duration of the file to figure out how many bytes the
// decoded file will be.
long dur = ((Long) props.get("duration")).longValue();
int toRead = (int) AudioUtils.millis2Bytes(dur / 1000, format);
samples = loadFloatAudio(ais, toRead);
meta = new MP3MetaData(filename, dur / 1000, props);
} else {
samples = loadFloatAudio(ais, (int) ais.getFrameLength() * format.getFrameSize());
long length = AudioUtils.frames2Millis(samples.getSampleCount(), format);
meta = new BasicMetaData(filename, length);
}
AudioSynthesizer out =
getAudioSynthesizer(
format.getChannels(),
bufferSize,
format.getSampleRate(),
format.getSampleSizeInBits());
if (out != null) {
SampleSignal ssig = new SampleSignal(samples);
out.setAudioSignal(ssig);
return new JSAudioSample(meta, ssig, out);
} else {
error("Couldn't acquire an output.");
}
}
return null;
}
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;
}
/**
* Store an AudioFormat
*
* @param audioFormat
*/
public AudioFormatTransport(AudioFormat audioFormat) {
_channels = audioFormat.getChannels();
_encoding = audioFormat.getEncoding().toString();
_frameRate = audioFormat.getFrameRate();
_frameSize = audioFormat.getFrameSize();
_sampleRate = audioFormat.getSampleRate();
_sampleSizeInBits = audioFormat.getSampleSizeInBits();
_isBigEndian = audioFormat.isBigEndian();
_properties = audioFormat.properties();
}
public void open(AudioInputStream stream) throws IOException, LineUnavailableException {
AudioInputStream is1;
format = stream.getFormat();
if (format.getEncoding() != AudioFormat.Encoding.PCM_SIGNED) {
is1 = AudioSystem.getAudioInputStream(AudioFormat.Encoding.PCM_SIGNED, stream);
} else {
is1 = stream;
}
format = is1.getFormat();
InputStream is2;
if (parent != null) {
ProgressMonitorInputStream pmis =
new ProgressMonitorInputStream(parent, "Loading track..", is1);
pmis.getProgressMonitor().setMillisToPopup(0);
is2 = pmis;
} else {
is2 = is1;
}
byte[] buf = new byte[2 ^ 16];
int totalRead = 0;
int numRead = 0;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
numRead = is2.read(buf);
while (numRead > -1) {
baos.write(buf, 0, numRead);
numRead = is2.read(buf, 0, buf.length);
totalRead += numRead;
}
is2.close();
audioData = baos.toByteArray();
AudioFormat afTemp;
if (format.getChannels() < 2) {
afTemp =
new AudioFormat(
format.getEncoding(),
format.getSampleRate(),
format.getSampleSizeInBits(),
2,
format.getSampleSizeInBits() * 2 / 8, // calculate
// frame
// size
format.getFrameRate(),
format.isBigEndian());
} else {
afTemp = format;
}
setLoopPoints(0, audioData.length);
dataLine = AudioSystem.getSourceDataLine(afTemp);
dataLine.open();
inputStream = new ByteArrayInputStream(audioData);
}