public MidiFileFormat getMidiFileFormat(URL url) throws InvalidMidiDataException, IOException {
InputStream inputStream = url.openStream();
try {
return getMidiFileFormat(inputStream);
} finally {
inputStream.close();
}
}
public MidiFileFormat getMidiFileFormat(File file) throws InvalidMidiDataException, IOException {
InputStream inputStream = new FileInputStream(file);
// inputStream = new BufferedInputStream(inputStream, 1024);
try {
return getMidiFileFormat(inputStream);
} finally {
inputStream.close();
}
}
/**
* Loads a sequence from an input stream. Returns null if an error occurs.
*
* @param is
* @return
*/
public Sequence getSequence(InputStream is) {
try {
if (!is.markSupported()) {
is = new BufferedInputStream(is);
}
Sequence s = MidiSystem.getSequence(is);
is.close();
return s;
} catch (InvalidMidiDataException ex) {
ex.printStackTrace();
return null;
} catch (IOException ex) {
ex.printStackTrace();
return null;
}
}
public void run() {
// get line and buffer from ThreadLocals
SourceDataLine line = (SourceDataLine) localLine.get();
byte[] buffer = (byte[]) localBuffer.get();
if (line == null || buffer == null) {
// the line is unavailable
return;
}
// copy data to the line
try {
int numBytesRead = 0;
while (numBytesRead != -1) {
// if paused, wait until unpaused
synchronized (pausedLock) {
if (paused) {
try {
pausedLock.wait();
} catch (InterruptedException ex) {
return;
}
}
}
// copy data
numBytesRead = source.read(buffer, 0, buffer.length);
if (numBytesRead != -1) {
line.write(buffer, 0, numBytesRead);
}
}
} catch (IOException ex) {
ex.printStackTrace();
}
}
public Sequence getSequence(URL url) throws InvalidMidiDataException, IOException {
InputStream inputStream = url.openStream();
try {
return getSequence(inputStream);
} catch (InvalidMidiDataException e) {
if (TDebug.TraceAllExceptions) {
TDebug.out(e);
}
inputStream.close();
throw e;
} catch (IOException e) {
if (TDebug.TraceAllExceptions) {
TDebug.out(e);
}
inputStream.close();
throw e;
}
}
public Sequence getSequence(File file) throws InvalidMidiDataException, IOException {
InputStream inputStream = new FileInputStream(file);
// inputStream = new BufferedInputStream(inputStream, 1024);
try {
return getSequence(inputStream);
} catch (InvalidMidiDataException e) {
if (TDebug.TraceAllExceptions) {
TDebug.out(e);
}
inputStream.close();
throw e;
} catch (IOException e) {
if (TDebug.TraceAllExceptions) {
TDebug.out(e);
}
inputStream.close();
throw e;
}
}
/** Creates an AudioInputStream from a sound from an input stream */
public AudioInputStream getAudioInputStream(InputStream is) {
try {
if (!is.markSupported()) {
is = new BufferedInputStream(is);
}
// open the source stream
AudioInputStream source = AudioSystem.getAudioInputStream(is);
// convert to playback format
return AudioSystem.getAudioInputStream(playbackFormat, source);
} catch (UnsupportedAudioFileException ex) {
ex.printStackTrace();
} catch (IOException ex) {
ex.printStackTrace();
} catch (IllegalArgumentException ex) {
ex.printStackTrace();
}
return null;
}
