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 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);
}
}
/* public AudioFormat[] getOutputFormats(AudioFormat inputFormat) { */
private AudioFormat[] getOutputFormats(AudioFormat inputFormat) {
Vector formats = new Vector();
AudioFormat format;
if ((inputFormat.getSampleSizeInBits() == 16)
&& AudioFormat.Encoding.PCM_SIGNED.equals(inputFormat.getEncoding())) {
format =
new AudioFormat(
AudioFormat.Encoding.ULAW,
inputFormat.getSampleRate(),
8,
inputFormat.getChannels(),
inputFormat.getChannels(),
inputFormat.getSampleRate(),
false);
formats.addElement(format);
}
if (AudioFormat.Encoding.ULAW.equals(inputFormat.getEncoding())) {
format =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
inputFormat.getSampleRate(),
16,
inputFormat.getChannels(),
inputFormat.getChannels() * 2,
inputFormat.getSampleRate(),
false);
formats.addElement(format);
format =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
inputFormat.getSampleRate(),
16,
inputFormat.getChannels(),
inputFormat.getChannels() * 2,
inputFormat.getSampleRate(),
true);
formats.addElement(format);
}
AudioFormat[] formatArray = new AudioFormat[formats.size()];
for (int i = 0; i < formatArray.length; i++) {
formatArray[i] = (AudioFormat) (formats.elementAt(i));
}
return formatArray;
}
/**
* Construct a RawAudioFormat from an AudioFormat, assuming a WAV header of size WAV_HEADER_SIZE
* (44) bytes.
*
* @param af AudioFormat (e.g. from AudioSystem.getAudioFileFormat(File).
*/
public RawAudioFormat(AudioFormat af) throws IOException {
sr = (int) af.getFrameRate();
br = af.getSampleSizeInBits();
fs = br / 8;
if (af.getChannels() > 1) throw new IOException("multi-channel files are not supported");
if (af.getEncoding() == AudioFormat.Encoding.PCM_SIGNED) {
signed = true;
alaw = false;
ulaw = false;
hs = WAV_HEADER_SIZE;
}
if (af.getEncoding() == AudioFormat.Encoding.PCM_UNSIGNED) {
signed = false;
alaw = false;
ulaw = false;
hs = WAV_HEADER_SIZE;
}
if (af.getEncoding() == AudioFormat.Encoding.ALAW) {
alaw = true;
signed = true;
ulaw = false;
hs = WAV_HEADER_SIZE2;
}
if (af.getEncoding() == AudioFormat.Encoding.ULAW) {
ulaw = true;
signed = true;
alaw = false;
hs = WAV_HEADER_SIZE2;
}
}
private static boolean checkConversion(
AudioFormat srcFormat, AudioFormat.Encoding targetEncoding, boolean neg) {
AudioInputStream srcStream =
new AudioInputStream(new ByteArrayInputStream(new byte[0]), srcFormat, -1);
boolean couldConvert = true;
try {
AudioInputStream targetStream = AudioSystem.getAudioInputStream(targetEncoding, srcStream);
// always a failure if src bits != target bits, or src channels !=
// target channels
AudioFormat targetFormat = targetStream.getFormat();
if (!isSameBitsChannelSampleRate(srcFormat, targetFormat)) {
System.out.println("ERROR");
System.out.println(
" converted stream has "
+ targetFormat.getChannels()
+ " channels, "
+ targetFormat.getSampleSizeInBits()
+ " bits, and "
+ targetFormat.getSampleRate()
+ "Hz, "
+ " but source stream had "
+ srcFormat.getChannels()
+ " channels, "
+ srcFormat.getSampleSizeInBits()
+ " bits, and "
+ srcFormat.getSampleRate()
+ "Hz");
return false;
}
} catch (Exception e) {
couldConvert = false;
}
if (couldConvert == neg) {
System.out.println("ERROR");
System.out.println(
" can"
+ ((!couldConvert) ? "not" : "")
+ " convert from "
+ srcFormat
+ " to "
+ targetEncoding);
return false;
}
System.out.println("OK");
return true;
}
/**
* 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);
}
/**
* 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 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()
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);
}
// 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());
}
}
private AudioInputStream toLittleEndian(AudioInputStream ais) {
AudioFormat format = ais.getFormat();
AudioFormat targetFormat =
new AudioFormat(
format.getEncoding(),
format.getSampleRate(),
format.getSampleSizeInBits(),
format.getChannels(),
format.getFrameSize(),
format.getFrameRate(),
false);
return AudioSystem.getAudioInputStream(targetFormat, ais);
}
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);
}
/**
* Inits a DateLine.<br>
* We check if the line supports Gain and Pan controls.
*
* <p>From the AudioInputStream, i.e. from the sound file, we fetch information about the format
* of the audio data. These information include the sampling frequency, the number of channels and
* the size of the samples. There information are needed to ask JavaSound for a suitable output
* line for this audio file. Furthermore, we have to give JavaSound a hint about how big the
* internal buffer for the line should be. Here, we say AudioSystem.NOT_SPECIFIED, signaling that
* we don't care about the exact size. JavaSound will use some default value for the buffer size.
*/
protected void createLine() throws LineUnavailableException {
log.info("Create Line");
if (m_line == null) {
AudioFormat sourceFormat = m_audioInputStream.getFormat();
log.info("Create Line : Source format : " + sourceFormat.toString());
int nSampleSizeInBits = sourceFormat.getSampleSizeInBits();
if (nSampleSizeInBits <= 0) {
nSampleSizeInBits = 16;
}
if ((sourceFormat.getEncoding() == AudioFormat.Encoding.ULAW)
|| (sourceFormat.getEncoding() == AudioFormat.Encoding.ALAW)) {
nSampleSizeInBits = 16;
}
if (nSampleSizeInBits != 8) {
nSampleSizeInBits = 16;
}
AudioFormat targetFormat =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
sourceFormat.getSampleRate(),
nSampleSizeInBits,
sourceFormat.getChannels(),
sourceFormat.getChannels() * (nSampleSizeInBits / 8),
sourceFormat.getSampleRate(),
false);
log.info("Create Line : Target format: " + targetFormat);
// Keep a reference on encoded stream to progress notification.
m_encodedaudioInputStream = m_audioInputStream;
try {
// Get total length in bytes of the encoded stream.
encodedLength = m_encodedaudioInputStream.available();
} catch (IOException e) {
log.log(Level.SEVERE, "Cannot get m_encodedaudioInputStream.available()", e);
}
// Create decoded stream.
m_audioInputStream = AudioSystem.getAudioInputStream(targetFormat, m_audioInputStream);
AudioFormat audioFormat = m_audioInputStream.getFormat();
DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat, -1);
Mixer mixer = getMixer(m_mixerName);
if (mixer != null) {
log.info("Mixer : " + mixer.getMixerInfo().toString());
m_line = (SourceDataLine) mixer.getLine(info);
} else {
m_line = (SourceDataLine) AudioSystem.getLine(info);
m_mixerName = null;
}
log.info("Line : " + m_line.toString());
log.info("Line Info : " + m_line.getLineInfo().toString());
log.info("Line AudioFormat: " + m_line.getFormat().toString());
}
}
/**
* 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);
}
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;
}
public void write(AudioInputStream stream, RIFFWriter writer) throws IOException {
RIFFWriter fmt_chunk = writer.writeChunk("fmt ");
AudioFormat format = stream.getFormat();
fmt_chunk.writeUnsignedShort(3); // WAVE_FORMAT_IEEE_FLOAT
fmt_chunk.writeUnsignedShort(format.getChannels());
fmt_chunk.writeUnsignedInt((int) format.getSampleRate());
fmt_chunk.writeUnsignedInt(((int) format.getFrameRate()) * format.getFrameSize());
fmt_chunk.writeUnsignedShort(format.getFrameSize());
fmt_chunk.writeUnsignedShort(format.getSampleSizeInBits());
fmt_chunk.close();
RIFFWriter data_chunk = writer.writeChunk("data");
byte[] buff = new byte[1024];
int len;
while ((len = stream.read(buff, 0, buff.length)) != -1) data_chunk.write(buff, 0, len);
data_chunk.close();
}
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;
}
public AudioRecording getAudioRecording(String filename) {
AudioMetaData meta = null;
AudioInputStream ais = getAudioInputStream(filename);
byte[] samples;
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);
// 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 = loadByteAudio(ais, toRead);
meta = new MP3MetaData(filename, dur / 1000, props);
} else {
samples = loadByteAudio(ais, (int) ais.getFrameLength() * format.getFrameSize());
long length = AudioUtils.bytes2Millis(samples.length, format);
meta = new BasicMetaData(filename, length);
}
SourceDataLine line = getSourceDataLine(format, 2048);
if (line != null) {
return new JSAudioRecording(this, samples, line, meta);
}
}
return null;
}
/** Convert javax.sound.sampled.AudioFormat to javax.media.format.AudioFormat. */
public static AudioFormat convertFormat(javax.sound.sampled.AudioFormat format) {
Encoding encoding = format.getEncoding();
int channels = format.getChannels();
float frameRate = format.getFrameRate();
int frameSize = format.getFrameSize() < 0 ? format.getFrameSize() : (format.getFrameSize() * 8);
float sampleRate = format.getSampleRate();
int sampleSize = format.getSampleSizeInBits();
int endian = format.isBigEndian() ? AudioFormat.BIG_ENDIAN : AudioFormat.LITTLE_ENDIAN;
int signed = AudioFormat.NOT_SPECIFIED;
String encodingString = AudioFormat.LINEAR;
if (encoding == Encoding.PCM_SIGNED) {
signed = AudioFormat.SIGNED;
encodingString = AudioFormat.LINEAR;
} else if (encoding == Encoding.PCM_UNSIGNED) {
signed = AudioFormat.UNSIGNED;
encodingString = AudioFormat.LINEAR;
} else if (encoding == Encoding.ALAW) {
encodingString = AudioFormat.ALAW;
} else if (encoding == Encoding.ULAW) {
encodingString = AudioFormat.ULAW;
} else {
encodingString = encoding.toString();
}
AudioFormat jmfFormat =
new AudioFormat(
encodingString,
(double) sampleRate,
sampleSize,
channels,
endian,
signed,
frameSize,
frameRate,
AudioFormat.byteArray);
return jmfFormat;
}
/**
* Private method to load audio file
*
* @throws LineUnavailableException
* @throws LineUnavailableException
* @throws IOException
* @throws UnsupportedAudioFileException
*/
private void load() throws LineUnavailableException, UnsupportedAudioFileException, IOException {
// From URL
audioStream = AudioSystem.getAudioInputStream(audioURL);
// At present, ALAW and ULAW encodings must be converted
// to PCM_SIGNED before it can be played
AudioFormat audioFormat = audioStream.getFormat();
DataLine.Info info =
new DataLine.Info(SourceDataLine.class, audioFormat, AudioSystem.NOT_SPECIFIED);
if (!AudioSystem.isLineSupported(info)) {
AudioFormat sourceFormat = audioFormat;
AudioFormat targetFormat =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
sourceFormat.getSampleRate(),
16,
sourceFormat.getChannels(),
sourceFormat.getChannels() * (16 / 8),
sourceFormat.getSampleRate(),
false);
audioStream = AudioSystem.getAudioInputStream(targetFormat, audioStream);
audioFormat = audioStream.getFormat();
}
// Create the clip
info =
new DataLine.Info(
Clip.class,
audioFormat,
((int) audioStream.getFrameLength() * audioFormat.getFrameSize()));
audioClip = (Clip) AudioSystem.getLine(info);
// Add a listener for line events
audioClip.addLineListener(this);
// This method does not return until the audio file is completely
// loaded
audioClip.open(audioStream);
}
private void initializeOggStream() throws IOException {
vorbis_info vorbisInfo = new vorbis_info();
vorbisenc encoder = new vorbisenc();
if (!encoder.vorbis_encode_init_vbr(
vorbisInfo,
audioFormat.getChannels(),
(int) audioFormat.getSampleRate(),
HIGH_QUALITY_256_KB)) {
throw new IOException("Failed to initialize Vorbis encoder.");
}
vorbis_comment vorbisComment = new vorbis_comment();
vorbisComment.vorbis_comment_add_tag(ENCODER_TAG_NAME, ENCODER_TAG_CONTENT);
vorbisDspState = new vorbis_dsp_state();
if (!vorbisDspState.vorbis_analysis_init(vorbisInfo)) {
throw new IOException("Failed to initialize Vorbis DSP state.");
}
vorbisBlock = new vorbis_block(vorbisDspState);
java.util.Random generator = new java.util.Random(); // need to randomize seed
oggStreamState = new ogg_stream_state(generator.nextInt(256));
ogg_packet header = new ogg_packet();
ogg_packet header_comm = new ogg_packet();
ogg_packet header_code = new ogg_packet();
vorbisDspState.vorbis_analysis_headerout(vorbisComment, header, header_comm, header_code);
oggStreamState.ogg_stream_packetin(header); // automatically placed in its own page
oggStreamState.ogg_stream_packetin(header_comm);
oggStreamState.ogg_stream_packetin(header_code);
}
private static Clip loadFile(String path) {
try {
path = ClassLoader.getSystemResource(path).getPath();
path = path.substring(1, path.length()).replaceAll("%20", " ");
InputStream in = new FileInputStream(path);
InputStream bin = new BufferedInputStream(in);
AudioInputStream ais = AudioSystem.getAudioInputStream(bin);
AudioFormat baseFormat = ais.getFormat();
AudioFormat decodeFormat =
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
baseFormat.getSampleRate(),
16,
baseFormat.getChannels(),
baseFormat.getChannels() * 2,
baseFormat.getSampleRate(),
false);
AudioInputStream dais = AudioSystem.getAudioInputStream(decodeFormat, ais);
return AudioSystem.getClip();
} catch (Exception ex) {
System.out.println(ex);
}
return null;
}
public int millisecondsToBytes(AudioFormat fmt, int time) {
return (int)
(time * (fmt.getSampleRate() * fmt.getChannels() * fmt.getSampleSizeInBits()) / 8000.0);
}
public long getLongFramePosition() {
return dataLine.getLongFramePosition() * 2 / format.getChannels();
}
private InputStream getFileStream(WaveFileFormat waveFileFormat, InputStream audioStream)
throws IOException {
// private method ... assumes audioFileFormat is a supported file type
// WAVE header fields
AudioFormat audioFormat = waveFileFormat.getFormat();
int headerLength = waveFileFormat.getHeaderSize();
int riffMagic = WaveFileFormat.RIFF_MAGIC;
int waveMagic = WaveFileFormat.WAVE_MAGIC;
int fmtMagic = WaveFileFormat.FMT_MAGIC;
int fmtLength = WaveFileFormat.getFmtChunkSize(waveFileFormat.getWaveType());
short wav_type = (short) waveFileFormat.getWaveType();
short channels = (short) audioFormat.getChannels();
short sampleSizeInBits = (short) audioFormat.getSampleSizeInBits();
int sampleRate = (int) audioFormat.getSampleRate();
int frameSizeInBytes = audioFormat.getFrameSize();
int frameRate = (int) audioFormat.getFrameRate();
int avgBytesPerSec = channels * sampleSizeInBits * sampleRate / 8;
short blockAlign = (short) ((sampleSizeInBits / 8) * channels);
int dataMagic = WaveFileFormat.DATA_MAGIC;
int dataLength = waveFileFormat.getFrameLength() * frameSizeInBytes;
int length = waveFileFormat.getByteLength();
int riffLength = dataLength + headerLength - 8;
byte header[] = null;
ByteArrayInputStream headerStream = null;
ByteArrayOutputStream baos = null;
DataOutputStream dos = null;
SequenceInputStream waveStream = null;
AudioFormat audioStreamFormat = null;
AudioFormat.Encoding encoding = null;
InputStream codedAudioStream = audioStream;
// if audioStream is an AudioInputStream and we need to convert, do it here...
if (audioStream instanceof AudioInputStream) {
audioStreamFormat = ((AudioInputStream) audioStream).getFormat();
encoding = audioStreamFormat.getEncoding();
if (AudioFormat.Encoding.PCM_SIGNED.equals(encoding)) {
if (sampleSizeInBits == 8) {
wav_type = WaveFileFormat.WAVE_FORMAT_PCM;
// plug in the transcoder to convert from PCM_SIGNED to PCM_UNSIGNED
codedAudioStream =
AudioSystem.getAudioInputStream(
new AudioFormat(
AudioFormat.Encoding.PCM_UNSIGNED,
audioStreamFormat.getSampleRate(),
audioStreamFormat.getSampleSizeInBits(),
audioStreamFormat.getChannels(),
audioStreamFormat.getFrameSize(),
audioStreamFormat.getFrameRate(),
false),
(AudioInputStream) audioStream);
}
}
if ((AudioFormat.Encoding.PCM_SIGNED.equals(encoding) && audioStreamFormat.isBigEndian())
|| (AudioFormat.Encoding.PCM_UNSIGNED.equals(encoding)
&& !audioStreamFormat.isBigEndian())
|| (AudioFormat.Encoding.PCM_UNSIGNED.equals(encoding)
&& audioStreamFormat.isBigEndian())) {
if (sampleSizeInBits != 8) {
wav_type = WaveFileFormat.WAVE_FORMAT_PCM;
// plug in the transcoder to convert to PCM_SIGNED_LITTLE_ENDIAN
codedAudioStream =
AudioSystem.getAudioInputStream(
new AudioFormat(
AudioFormat.Encoding.PCM_SIGNED,
audioStreamFormat.getSampleRate(),
audioStreamFormat.getSampleSizeInBits(),
audioStreamFormat.getChannels(),
audioStreamFormat.getFrameSize(),
audioStreamFormat.getFrameRate(),
false),
(AudioInputStream) audioStream);
}
}
}
// Now push the header into a stream, concat, and return the new SequenceInputStream
baos = new ByteArrayOutputStream();
dos = new DataOutputStream(baos);
// we write in littleendian...
dos.writeInt(riffMagic);
dos.writeInt(big2little(riffLength));
dos.writeInt(waveMagic);
dos.writeInt(fmtMagic);
dos.writeInt(big2little(fmtLength));
dos.writeShort(big2littleShort(wav_type));
dos.writeShort(big2littleShort(channels));
dos.writeInt(big2little(sampleRate));
dos.writeInt(big2little(avgBytesPerSec));
dos.writeShort(big2littleShort(blockAlign));
dos.writeShort(big2littleShort(sampleSizeInBits));
// $$fb 2002-04-16: Fix for 4636355: RIFF audio headers could be _more_ spec compliant
if (wav_type != WaveFileFormat.WAVE_FORMAT_PCM) {
// add length 0 for "codec specific data length"
dos.writeShort(0);
}
dos.writeInt(dataMagic);
dos.writeInt(big2little(dataLength));
dos.close();
header = baos.toByteArray();
headerStream = new ByteArrayInputStream(header);
waveStream = new SequenceInputStream(headerStream, new NoCloseInputStream(codedAudioStream));
return waveStream;
}
/**
* Inits AudioInputStream and AudioFileFormat from the data source.
*
* @throws BasicPlayerException
*/
protected void initAudioInputStream() throws BasicPlayerException {
try {
reset();
notifyEvent(BasicPlayerEvent.OPENING, getEncodedStreamPosition(), -1, m_dataSource);
if (m_dataSource instanceof URL) {
initAudioInputStream((URL) m_dataSource);
} else if (m_dataSource instanceof File) {
initAudioInputStream((File) m_dataSource);
} else if (m_dataSource instanceof InputStream) {
initAudioInputStream((InputStream) m_dataSource);
}
createLine();
// Notify listeners with AudioFileFormat properties.
Map properties = null;
if (m_audioFileFormat instanceof TAudioFileFormat) {
// Tritonus SPI compliant audio file format.
properties = ((TAudioFileFormat) m_audioFileFormat).properties();
// Clone the Map because it is not mutable.
properties = deepCopy(properties);
} else {
properties = new HashMap();
}
// Add JavaSound properties.
if (m_audioFileFormat.getByteLength() > 0) {
properties.put("audio.length.bytes", new Integer(m_audioFileFormat.getByteLength()));
}
if (m_audioFileFormat.getFrameLength() > 0) {
properties.put("audio.length.frames", new Integer(m_audioFileFormat.getFrameLength()));
}
if (m_audioFileFormat.getType() != null) {
properties.put("audio.type", (m_audioFileFormat.getType().toString()));
}
// Audio format.
AudioFormat audioFormat = m_audioFileFormat.getFormat();
if (audioFormat.getFrameRate() > 0) {
properties.put("audio.framerate.fps", new Float(audioFormat.getFrameRate()));
}
if (audioFormat.getFrameSize() > 0) {
properties.put("audio.framesize.bytes", new Integer(audioFormat.getFrameSize()));
}
if (audioFormat.getSampleRate() > 0) {
properties.put("audio.samplerate.hz", new Float(audioFormat.getSampleRate()));
}
if (audioFormat.getSampleSizeInBits() > 0) {
properties.put("audio.samplesize.bits", new Integer(audioFormat.getSampleSizeInBits()));
}
if (audioFormat.getChannels() > 0) {
properties.put("audio.channels", new Integer(audioFormat.getChannels()));
}
if (audioFormat instanceof TAudioFormat) {
// Tritonus SPI compliant audio format.
Map addproperties = ((TAudioFormat) audioFormat).properties();
properties.putAll(addproperties);
}
// Add SourceDataLine
properties.put("basicplayer.sourcedataline", m_line);
Iterator<BasicPlayerListener> it = laucher.getBasicPlayerListeners().iterator();
while (it.hasNext()) {
BasicPlayerListener bpl = it.next();
bpl.opened(m_dataSource, properties);
}
m_status = OPENED;
notifyEvent(BasicPlayerEvent.OPENED, getEncodedStreamPosition(), -1, null);
} catch (LineUnavailableException e) {
throw new BasicPlayerException(e);
} catch (UnsupportedAudioFileException e) {
throw new BasicPlayerException(e);
} catch (IOException e) {
throw new BasicPlayerException(e);
}
}
public static final ALoad create(File f) throws AudioException {
try {
// stream
AudioInputStream ais = AudioSystem.getAudioInputStream(f);
// make difference between encoded and non-encoded streams, because mp3
// doesn't give streamlength information :-(
boolean isEncoded =
!ais.getFormat().getEncoding().equals(AudioFormat.Encoding.PCM_UNSIGNED)
&& !ais.getFormat().getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED)
&& !ais.getFormat().getEncoding().equals(AudioFormat.Encoding.ALAW)
&& !ais.getFormat().getEncoding().equals(AudioFormat.Encoding.ULAW);
AudioFormat.Encoding targetEncoding = AudioFormat.Encoding.PCM_SIGNED;
if (isEncoded) {
ais = AudioSystem.getAudioInputStream(targetEncoding, ais); // this is required for mp3
}
AudioFormat af = ais.getFormat();
// count size...
int sl = 0;
if (isEncoded)
// if (false)
{
int st = 0;
byte a[] = new byte[4096];
try {
while ((st = ais.read(a, 0, a.length - 1)) >= 0) {
sl += st;
}
sl /= ais.getFormat().getChannels() * ais.getFormat().getSampleSizeInBits() / 8;
} catch (IOException ioe) {
ioe.printStackTrace();
}
} else {
sl =
(int)
(ais.getFrameLength()
* af.getFrameSize()
/ af.getChannels()
/ (af.getSampleSizeInBits() >> 3));
}
// stream for data loading
ais = AudioSystem.getAudioInputStream(f);
targetEncoding = AudioFormat.Encoding.PCM_SIGNED;
if (isEncoded) {
ais = AudioSystem.getAudioInputStream(targetEncoding, ais); // this is required for mp3
}
af = ais.getFormat();
Debug.println(3, "audioformat = " + af.toString());
// search the correct loader...
for (int i = 0; i < classList.size(); i++) {
ALoad l = classList.get(i);
if (l.supports(af)) {
l = l.duplicate();
l.setAudioInputStream(ais, sl);
l.setFile(f);
return l;
}
}
Debug.println(3, "unsupported audioformat = " + af.toString());
throw new AudioException("unsupportedAudioFormat");
} catch (UnsupportedAudioFileException uafe) {
Debug.printStackTrace(5, uafe);
throw new AudioException("unsupportedAudioFormat");
} catch (IOException ioe) {
Debug.printStackTrace(5, ioe);
throw new AudioException("unsupportedAudioFormat");
}
}
