/** 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 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();
}
public Format[] getSupportedOutputFormats(Format in) {
if (in == null) return new Format[] {new AudioFormat(AudioFormat.ULAW)};
if (matches(in, inputFormats) == null) return new Format[1];
if (!(in instanceof AudioFormat)) return new Format[] {new AudioFormat(AudioFormat.ULAW)};
AudioFormat af = (AudioFormat) in;
return new Format[] {
new AudioFormat(
AudioFormat.ULAW, af.getSampleRate(), af.getSampleSizeInBits(), af.getChannels())
};
}
/**
* Sells a specified number of records Throws an exception if the record doesn't exist in the
* store or if trying to sell more records than exist in the inventory
*
* @param record - the record to sell
* @param quantity - the number of records to sell
*/
public void sellItem(AudioFormat record, int quantity)
throws NullPointerException, IllegalArgumentException {
// System.out.println("Selling: " + record.toString() + ", quantity: " + quantity);
InventoryItem item = null;
for (int i = 0; i < this.listOfItems.length; i++) {
item = this.listOfItems[i];
// If it finds the record, break out of the loop
if (record.equals(item.getRecord())) {
break;
}
}
// Handle the record not being in the inventory
if (item == null) {
throw new NullPointerException(
"Error: there is no record of this type in stock "
+ "(record does not exist within the array).");
}
// Handle selling more items than the store has
if (item.getQuantity() - quantity < 0) {
throw new IllegalArgumentException(
"Error: you cannot sell more records than you have "
+ "(# of records sold makes quantity smaller than 0).");
}
item.setQuantity(item.getQuantity() - quantity);
}
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 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()
@Override
public boolean equals(Object obj) {
if (obj instanceof AudioFormat) {
AudioFormat format = (AudioFormat) obj;
if (format.getCodec() != getCodec()) {
return false;
}
if (format.getContainer() != getContainer()) {
return false;
}
if (format.isBigEndian() != isBigEndian()) {
return false;
}
if (format.getBitDepth() != getBitDepth()) {
return false;
}
if (format.getBitRate() != getBitRate()) {
return false;
}
if (format.getFrequency() != getFrequency()) {
return false;
}
return true;
}
return super.equals(obj);
}
protected Format[] getMatchingOutputFormats(Format in) {
AudioFormat af = (AudioFormat) in;
supportedOutputFormats =
new AudioFormat[] {
new AudioFormat(
Constants.ALAW_RTP,
af.getSampleRate(),
8,
1,
Format.NOT_SPECIFIED,
Format.NOT_SPECIFIED,
8,
Format.NOT_SPECIFIED,
Format.byteArray)
};
return supportedOutputFormats;
}
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();
}
}
public byte[] getSamples(AudioInputStream stream) {
int length = (int) (stream.getFrameLength() * format.getFrameSize());
byte[] samples = new byte[length];
DataInputStream in = new DataInputStream(stream);
try {
in.readFully(samples);
} catch (IOException e) {
e.printStackTrace();
}
return samples;
}
@Override
public void read(Buffer buffer) throws IOException {
pbs.read(buffer);
// Remap the time stamps so it won't wrap around
// while changing to a new file.
if (buffer.getTimeStamp() != Buffer.TIME_UNKNOWN) {
long diff = buffer.getTimeStamp() - lastTS;
lastTS = buffer.getTimeStamp();
if (diff > 0) timeStamp += diff;
buffer.setTimeStamp(timeStamp);
}
// If this track is to be used as the master time base,
// we'll need to compute the master time based on this track.
if (useAsMaster) {
if (buffer.getFormat() instanceof AudioFormat) {
AudioFormat af = (AudioFormat) buffer.getFormat();
masterAudioLen += buffer.getLength();
long t = af.computeDuration(masterAudioLen);
if (t > 0) {
masterTime = t;
} else {
masterTime = buffer.getTimeStamp();
}
} else {
masterTime = buffer.getTimeStamp();
}
}
if (buffer.isEOM()) {
tInfo.done = true;
if (!ds.handleEOM(tInfo)) {
// This is not the last processor to be done.
// We'll need to un-set the EOM flag.
buffer.setEOM(false);
buffer.setDiscard(true);
}
}
}
// 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;
}
private void getAudioData() {
if (format.getSampleSizeInBits() == 16) {
nlengthInSamples = audioBytes.length / 2;
audioData = new int[nlengthInSamples];
if (format.isBigEndian()) {
for (int i = 0; i < nlengthInSamples; i++) {
// First byte is MSB (high order)
int MSB = (int) audioBytes[2 * i];
// Second byte is LSB (low order)
int LSB = (int) audioBytes[2 * i + 1];
audioData[i] = MSB << 8 | (255 & LSB);
}
} else {
for (int i = 0; i < nlengthInSamples; i++) {
// First byte is LSB (low order)
int LSB = (int) audioBytes[2 * i];
// Second byte is MSB (high order)
int MSB = (int) audioBytes[2 * i + 1];
audioData[i] = MSB << 8 | (255 & LSB);
}
}
} else {
if (format.getSampleSizeInBits() == 8) {
nlengthInSamples = audioBytes.length;
audioData = new int[nlengthInSamples];
if (format.getEncoding().toString().startsWith("PCM_SIGN")) {
for (int i = 0; i < audioBytes.length; i++) {
audioData[i] = audioBytes[i];
}
} else {
for (int i = 0; i < audioBytes.length; i++) {
audioData[i] = audioBytes[i] - 128;
}
}
}
}
}
/**
* Constructs an audio input stream that reads its data from the target data line indicated. The
* format of the stream is the same as that of the target data line, and the length is
* AudioSystem#NOT_SPECIFIED.
*
* @param line the target data line from which this stream obtains its data.
* @see AudioSystem#NOT_SPECIFIED
*/
public AudioInputStream(TargetDataLine line) {
TargetDataLineInputStream tstream = new TargetDataLineInputStream(line);
format = line.getFormat();
frameLength = AudioSystem.NOT_SPECIFIED;
frameSize = format.getFrameSize();
if (frameSize == AudioSystem.NOT_SPECIFIED || frameSize <= 0) {
frameSize = 1;
}
this.stream = tstream;
framePos = 0;
markpos = 0;
}
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();
}
}
/**
* Constructs an audio input stream that has the requested format and length in sample frames,
* using audio data from the specified input stream.
*
* @param stream the stream on which this <code>AudioInputStream</code> object is based
* @param format the format of this stream's audio data
* @param length the length in sample frames of the data in this stream
*/
public AudioInputStream(InputStream stream, AudioFormat format, long length) {
super();
this.format = format;
this.frameLength = length;
this.frameSize = format.getFrameSize();
// any frameSize that is not well-defined will
// cause that this stream will be read in bytes
if (this.frameSize == AudioSystem.NOT_SPECIFIED || frameSize <= 0) {
this.frameSize = 1;
}
this.stream = stream;
framePos = 0;
markpos = 0;
}
/**
* Adds a specified number of records to the inventory and updates the price
*
* @param record - the record to add
* @param quantity - the number of records to add
* @param price - the price to sell the record at
*/
public void addItem(AudioFormat record, int quantity, double price) {
// System.out.println("Adding: " + record.toString() + ", quantity: " + quantity + ", price: " +
// price);
for (int i = 0; i < this.listOfItems.length; i++) {
InventoryItem item = this.listOfItems[i];
// If the record is found, set the price and add the quantity and end the method
if (record.equals(item.getRecord())) {
item.setPrice(price);
item.setQuantity(item.getQuantity() + quantity);
return;
}
}
// If it's an entirely new record, duplicates the old array and increases its size by 1
InventoryItem[] temp = new InventoryItem[this.listOfItems.length + 1];
for (int i = 0; i < this.listOfItems.length; i++) {
temp[i] = this.listOfItems[i];
}
this.listOfItems = temp;
// Adds the new record to the end of the array
this.listOfItems[this.listOfItems.length - 1] = new InventoryItem(record, quantity, price);
}
/**
* Determines if the passed AudioFormat is compatable with this AudioFormat.
*
* <p>This AudioFormat is compatible with the passed AudioFormat if both have the same value for
* all non-null members of this instance.
*/
boolean isCompatible(AudioFormat audioFormat) {
if (audioFormat == null) {
return false;
}
if ((null != getContainer()) && (getContainer() != audioFormat.getContainer())) {
return false;
}
if ((null != getCodec()) && (getCodec() != audioFormat.getCodec())) {
return false;
}
if ((null != isBigEndian()) && (isBigEndian() != audioFormat.isBigEndian())) {
return false;
}
if ((null != getBitDepth()) && (getBitDepth() != audioFormat.getBitDepth())) {
return false;
}
if ((null != getBitRate()) && (getBitRate() != audioFormat.getBitRate())) {
return false;
}
if ((null != getFrequency()) && (getFrequency() != audioFormat.getFrequency())) {
return false;
}
return true;
}
public static void main(String[] args) throws Exception {
int midiDev = -1;
int audioDev = -1;
int latencyInMillis = 70;
// parse arguments
int argi = 0;
while (argi < args.length) {
String arg = args[argi];
if (arg.equals("-h")) {
printUsageAndExit();
} else if (arg.equals("-m")) {
argi++;
if (argi >= args.length) {
printUsageAndExit();
}
midiDev = Integer.parseInt(args[argi]);
} else if (arg.equals("-a")) {
argi++;
if (argi >= args.length) {
printUsageAndExit();
}
audioDev = Integer.parseInt(args[argi]);
} else if (arg.equals("-l")) {
argi++;
if (argi >= args.length) {
printUsageAndExit();
}
latencyInMillis = Integer.parseInt(args[argi]);
} else {
printUsageAndExit();
}
argi++;
}
// load samples
final AudioFileSource[] src = new AudioFileSource[sounds.length];
for (int i = 0; i < sounds.length; i++) {
src[i] = new AudioFileSource(new File(sounds[i]));
}
// define the first source's audioformat as the master format
final AudioFormat format = src[0].getFormat();
// set up mixer
final AudioMixer mixer = new AudioMixer(format.getChannels(), format.getSampleRate());
// set up soundcard (sink)
SoundcardSink sink = new SoundcardSink();
// open the sink and connect it with the mixer
sink.open(audioDev, latencyInMillis, format, mixer);
try {
// do we want to open a MIDI port?
MidiIn midi = null;
if (midiDev >= 0) {
// start MIDI IN
midi = new MidiIn();
midi.setListener(
new MidiIn.Listener() {
public void midiInPlayed(int status, int data1, int data2) {
// only react to NOTE ON messages with velocity > 0
if (((status & 0xF0) == 0x90) && (data2 > 0)) {
AudioFileSource newSrc = src[data1 % src.length].makeClone();
mixer.addAudioStream(newSrc);
serviceMixer(mixer);
}
}
public void midiInPlayed(byte[] message) {
// nothing to do for long MIDI messages
}
});
midi.open(midiDev);
} else {
Debug.debug("No MIDI.");
}
try {
// start the sink -- from now on, the mixer is polled for new
// data
sink.start();
System.out.println("Press ENTER for a sound, 'q'+ENTER to quit.");
int currSrc = 0;
while (true) {
char c = (char) System.in.read();
if (c == 'q') {
break;
}
AudioFileSource newSrc = src[(currSrc++) % src.length].makeClone();
mixer.addAudioStream(newSrc);
serviceMixer(mixer);
}
} finally {
// clean-up
if (midi != null) {
midi.close();
}
}
} finally {
sink.close();
}
Debug.debug("done");
}
public static void main(String[] args) throws Exception {
float[] testarray = new float[1024];
for (int i = 0; i < 1024; i++) {
double ii = i / 1024.0;
ii = ii * ii;
testarray[i] = (float) Math.sin(10 * ii * 2 * Math.PI);
testarray[i] += (float) Math.sin(1.731 + 2 * ii * 2 * Math.PI);
testarray[i] += (float) Math.sin(0.231 + 6.3 * ii * 2 * Math.PI);
testarray[i] *= 0.3;
}
// Check conversion using PCM_FLOAT
for (int big = 0; big < 2; big += 1)
for (int bits = 32; bits <= 64; bits += 32) {
AudioFormat frm =
new AudioFormat(
AudioFloatConverter.PCM_FLOAT, 44100, bits, 1, bits / 8, 44100, big == 1);
byte[] buff = new byte[testarray.length * frm.getFrameSize()];
float[] testarray2 = new float[testarray.length];
AudioFloatConverter conv = AudioFloatConverter.getConverter(frm);
conv.toByteArray(testarray, buff);
conv.toFloatArray(buff, testarray2);
for (int i = 0; i < testarray2.length; i++) {
if (Math.abs(testarray[i] - testarray2[i]) > 0.05)
throw new RuntimeException(
"Conversion failed for " + frm + " , arrays not equal enough!\n");
}
}
// Check conversion from float2byte and byte2float.
for (int big = 0; big < 2; big += 1)
for (int signed = 0; signed < 2; signed += 1)
for (int bits = 6; bits <= 40; bits += 2) {
AudioFormat frm = new AudioFormat(44100, bits, 1, signed == 1, big == 1);
byte[] buff = new byte[testarray.length * frm.getFrameSize()];
float[] testarray2 = new float[testarray.length];
AudioFloatConverter conv = AudioFloatConverter.getConverter(frm);
conv.toByteArray(testarray, buff);
conv.toFloatArray(buff, testarray2);
for (int i = 0; i < testarray2.length; i++) {
if (Math.abs(testarray[i] - testarray2[i]) > 0.05)
throw new RuntimeException(
"Conversion failed for " + frm + " , arrays not equal enough!\n");
}
}
// Check big/little
for (int big = 0; big < 2; big += 1)
for (int signed = 0; signed < 2; signed += 1)
for (int bits = 6; bits <= 40; bits += 2) {
AudioFormat frm = new AudioFormat(44100, bits, 1, signed == 1, big == 1);
byte[] buff = new byte[testarray.length * frm.getFrameSize()];
AudioFloatConverter conv = AudioFloatConverter.getConverter(frm);
conv.toByteArray(testarray, buff);
byte[] buff2 = new byte[testarray.length * frm.getFrameSize()];
int fs = frm.getFrameSize();
for (int i = 0; i < buff2.length; i += fs) {
for (int j = 0; j < fs; j++) {
buff2[i + (fs - j - 1)] = buff[i + j];
}
}
float[] testarray2 = new float[testarray.length];
AudioFormat frm2 = new AudioFormat(44100, bits, 1, signed == 1, big == 0);
AudioFloatConverter.getConverter(frm2).toFloatArray(buff2, testarray2);
for (int i = 0; i < testarray2.length; i++) {
if (Math.abs(testarray[i] - testarray2[i]) > 0.05) {
throw new RuntimeException(
"Conversion failed for " + frm + " to " + frm2 + " , arrays not equal enough!\n");
}
}
}
// Check signed/unsigned
for (int big = 0; big < 2; big += 1)
for (int signed = 0; signed < 2; signed += 1)
for (int bits = 6; bits <= 40; bits += 2) {
AudioFormat frm = new AudioFormat(44100, bits, 1, signed == 1, big == 1);
byte[] b = new byte[testarray.length * frm.getFrameSize()];
AudioFloatConverter conv = AudioFloatConverter.getConverter(frm);
conv.toByteArray(testarray, b);
int fs = frm.getFrameSize();
if (big == 1) {
for (int i = 0; i < b.length; i += fs)
b[i] = (b[i] >= 0) ? (byte) (0x80 | b[i]) : (byte) (0x7F & b[i]);
} else {
for (int i = (0 + fs - 1); i < b.length; i += fs)
b[i] = (b[i] >= 0) ? (byte) (0x80 | b[i]) : (byte) (0x7F & b[i]);
}
float[] testarray2 = new float[testarray.length];
AudioFormat frm2 = new AudioFormat(44100, bits, 1, signed == 0, big == 1);
AudioFloatConverter.getConverter(frm2).toFloatArray(b, testarray2);
for (int i = 0; i < testarray2.length; i++) {
if (Math.abs(testarray[i] - testarray2[i]) > 0.05) {
throw new RuntimeException(
"Conversion failed for " + frm + " to " + frm2 + " , arrays not equal enough!\n");
}
}
}
// Check if conversion 32->24, 24->16, 16->8 result in same float data
AudioFormat frm = new AudioFormat(44100, 40, 1, true, true);
byte[] b = new byte[testarray.length * frm.getFrameSize()];
AudioFloatConverter.getConverter(frm).toByteArray(testarray, b);
for (int bits = 6; bits <= 40; bits += 2) {
AudioFormat frm2 = new AudioFormat(44100, bits, 1, true, true);
byte[] b2 = new byte[testarray.length * frm2.getFrameSize()];
int fs1 = frm.getFrameSize();
int fs2 = frm2.getFrameSize();
int ii = 0;
for (int i = 0; i < b.length; i += fs1) for (int j = 0; j < fs2; j++) b2[ii++] = b[i + j];
float[] testarray2 = new float[testarray.length];
AudioFloatConverter.getConverter(frm2).toFloatArray(b2, testarray2);
for (int i = 0; i < testarray2.length; i++) {
if (Math.abs(testarray[i] - testarray2[i]) > 0.05) {
throw new RuntimeException(
"Conversion failed for " + frm + " to " + frm2 + " , arrays not equal enough!\n");
}
}
}
}
@Override
public Format[] getSupportedOutputFormats(Format input) {
if (input == null) return outputFormats;
else {
if (!(input instanceof AudioFormat)) {
logger.warning(
this.getClass().getSimpleName()
+ ".getSupportedOutputFormats: input format does not match, returning format array of {null} for "
+ input); // this can cause an NPE in JMF if it ever
// happens.
return new Format[] {null};
}
final AudioFormat inputCast = (AudioFormat) input;
if (!inputCast.getEncoding().equals(AudioFormat.ALAW)
|| (inputCast.getSampleSizeInBits() != 8
&& inputCast.getSampleSizeInBits() != Format.NOT_SPECIFIED)
|| (inputCast.getChannels() != 1 && inputCast.getChannels() != Format.NOT_SPECIFIED)
|| (inputCast.getFrameSizeInBits() != 8
&& inputCast.getFrameSizeInBits() != Format.NOT_SPECIFIED)) {
logger.warning(
this.getClass().getSimpleName()
+ ".getSupportedOutputFormats: input format does not match, returning format array of {null} for "
+ input); // this can cause an NPE in JMF if it ever
// happens.
return new Format[] {null};
}
final AudioFormat result =
new AudioFormat(
BonusAudioFormatEncodings.ALAW_RTP,
inputCast.getSampleRate(),
8,
1,
inputCast.getEndian(),
inputCast.getSigned(),
8,
inputCast.getFrameRate(),
inputCast.getDataType());
return new Format[] {result};
}
}
Player() {
super("Haven audio player");
setDaemon(true);
srate = (int) fmt.getSampleRate();
}
