下面列出了javax.sound.sampled.AudioFileFormat#getFormat ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
public AudioInputStream getAudioInputStream(InputStream stream)
throws UnsupportedAudioFileException, IOException {
AudioFileFormat format = getAudioFileFormat(stream);
RIFFReader riffiterator = new RIFFReader(stream);
if (!riffiterator.getFormat().equals("RIFF"))
throw new UnsupportedAudioFileException();
if (!riffiterator.getType().equals("WAVE"))
throw new UnsupportedAudioFileException();
while (riffiterator.hasNextChunk()) {
RIFFReader chunk = riffiterator.nextChunk();
if (chunk.getFormat().equals("data")) {
return new AudioInputStream(chunk, format.getFormat(), chunk
.getSize());
}
}
throw new UnsupportedAudioFileException();
}
/**
* Obtains an audio stream from the File provided. The File must
* point to valid audio file data.
* @param file the File for which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data pointed
* to by the File
* @throws UnsupportedAudioFileException if the File does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
*/
public AudioInputStream getAudioInputStream(File file)
throws UnsupportedAudioFileException, IOException {
FileInputStream fis = new FileInputStream(file); // throws IOException
AudioFileFormat fileFormat = null;
// part of fix for 4325421
try {
fileFormat = getCOMM(fis, false);
} finally {
if (fileFormat == null) {
fis.close();
}
}
return new AudioInputStream(fis, fileFormat.getFormat(), fileFormat.getFrameLength());
}
public AudioInputStream getAudioInputStream(InputStream stream)
throws UnsupportedAudioFileException, IOException {
AudioFileFormat format = getAudioFileFormat(stream);
RIFFReader riffiterator = new RIFFReader(stream);
if (!riffiterator.getFormat().equals("RIFF"))
throw new UnsupportedAudioFileException();
if (!riffiterator.getType().equals("WAVE"))
throw new UnsupportedAudioFileException();
while (riffiterator.hasNextChunk()) {
RIFFReader chunk = riffiterator.nextChunk();
if (chunk.getFormat().equals("data")) {
return new AudioInputStream(chunk, format.getFormat(),
chunk.getSize());
}
}
throw new UnsupportedAudioFileException();
}
/**
* Obtains an audio stream from the File provided. The File must
* point to valid audio file data.
* @param file the File for which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data pointed
* to by the File
* @throws UnsupportedAudioFileException if the File does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
*/
public AudioInputStream getAudioInputStream(File file)
throws UnsupportedAudioFileException, IOException {
FileInputStream fis = new FileInputStream(file); // throws IOException
AudioFileFormat fileFormat = null;
// part of fix for 4325421
try {
fileFormat = getCOMM(fis, false);
} finally {
if (fileFormat == null) {
fis.close();
}
}
return new AudioInputStream(fis, fileFormat.getFormat(), fileFormat.getFrameLength());
}
/**
* Obtains an audio stream from the File provided. The File must
* point to valid audio file data.
* @param file the File for which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data pointed
* to by the File
* @throws UnsupportedAudioFileException if the File does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
*/
public AudioInputStream getAudioInputStream(File file)
throws UnsupportedAudioFileException, IOException {
FileInputStream fis = new FileInputStream(file); // throws IOException
AudioFileFormat fileFormat = null;
// part of fix for 4325421
try {
fileFormat = getCOMM(fis, false);
} finally {
if (fileFormat == null) {
fis.close();
}
}
return new AudioInputStream(fis, fileFormat.getFormat(), fileFormat.getFrameLength());
}
public AudioInputStream getAudioInputStream(InputStream stream)
throws UnsupportedAudioFileException, IOException {
AudioFileFormat format = getAudioFileFormat(stream);
RIFFReader riffiterator = new RIFFReader(stream);
if (!riffiterator.getFormat().equals("RIFF"))
throw new UnsupportedAudioFileException();
if (!riffiterator.getType().equals("WAVE"))
throw new UnsupportedAudioFileException();
while (riffiterator.hasNextChunk()) {
RIFFReader chunk = riffiterator.nextChunk();
if (chunk.getFormat().equals("data")) {
return new AudioInputStream(chunk, format.getFormat(), chunk
.getSize());
}
}
throw new UnsupportedAudioFileException();
}
/**
* Obtains an audio stream from the File provided. The File must
* point to valid audio file data.
* @param file the File for which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data pointed
* to by the File
* @throws UnsupportedAudioFileException if the File does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
*/
public AudioInputStream getAudioInputStream(File file) throws UnsupportedAudioFileException, IOException {
FileInputStream fis = new FileInputStream(file); // throws IOException
AudioFileFormat fileFormat = null;
// part of fix for 4325421
try {
fileFormat = getFMT(fis, false);
} finally {
if (fileFormat == null) {
fis.close();
}
}
return new AudioInputStream(fis, fileFormat.getFormat(), fileFormat.getFrameLength());
}
/**
* Obtains an audio stream from the URL provided. The URL must
* point to valid audio file data.
* @param url the URL for which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data pointed
* to by the URL
* @throws UnsupportedAudioFileException if the URL does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
*/
public AudioInputStream getAudioInputStream(URL url) throws UnsupportedAudioFileException, IOException {
InputStream urlStream = url.openStream(); // throws IOException
AudioFileFormat fileFormat = null;
try {
fileFormat = getCOMM(urlStream, false);
} finally {
if (fileFormat == null) {
urlStream.close();
}
}
return new AudioInputStream(urlStream, fileFormat.getFormat(), fileFormat.getFrameLength());
}
/**
* Tests the {@code AudioFileFormat} fetched from the fake header.
* <p>
* Note that the frameLength and byteLength are stored as int which means
* that {@code AudioFileFormat} will store the data above {@code MAX_INT} as
* NOT_SPECIFIED.
*/
private static void testAFF(final int[] type, final int rate,
final int channel, final long size)
throws Exception {
final byte[] header = createHeader(type, rate, channel, size);
final ByteArrayInputStream fake = new ByteArrayInputStream(header);
final AudioFileFormat aff = AudioSystem.getAudioFileFormat(fake);
final AudioFormat format = aff.getFormat();
if (aff.getType() != AudioFileFormat.Type.WAVE) {
throw new RuntimeException("Error");
}
final long frameLength = size / format.getFrameSize();
if (frameLength <= Integer.MAX_VALUE) {
if (aff.getFrameLength() != frameLength) {
System.err.println("Expected: " + frameLength);
System.err.println("Actual: " + aff.getFrameLength());
throw new RuntimeException();
}
} else {
if (aff.getFrameLength() != AudioSystem.NOT_SPECIFIED) {
System.err.println("Expected: " + AudioSystem.NOT_SPECIFIED);
System.err.println("Actual: " + aff.getFrameLength());
throw new RuntimeException();
}
}
validateFormat(type[1], rate, channel, aff.getFormat());
}
/**
* Obtains an audio stream from the URL provided. The URL must
* point to valid audio file data.
* @param url the URL for which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data pointed
* to by the URL
* @throws UnsupportedAudioFileException if the URL does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
*/
public AudioInputStream getAudioInputStream(URL url) throws UnsupportedAudioFileException, IOException {
InputStream urlStream = url.openStream(); // throws IOException
AudioFileFormat fileFormat = null;
try {
fileFormat = getFMT(urlStream, false);
} finally {
if (fileFormat == null) {
urlStream.close();
}
}
return new AudioInputStream(urlStream, fileFormat.getFormat(), fileFormat.getFrameLength());
}
/**
* Tests the {@code AudioFileFormat} fetched from the fake header.
* <p>
* Note that the frameLength and byteLength are stored as int which means
* that {@code AudioFileFormat} will store the data above {@code MAX_INT} as
* NOT_SPECIFIED.
*/
private static void testAFF(final byte[] type, final int rate,
final int channel, final long size)
throws Exception {
final byte[] header = createHeader(type, rate, channel, size);
final ByteArrayInputStream fake = new ByteArrayInputStream(header);
final AudioFileFormat aff = AudioSystem.getAudioFileFormat(fake);
final AudioFormat format = aff.getFormat();
if (aff.getType() != AudioFileFormat.Type.WAVE) {
throw new RuntimeException("Error");
}
final long frameLength = size / format.getFrameSize();
if (frameLength <= Integer.MAX_VALUE) {
if (aff.getFrameLength() != frameLength) {
System.err.println("Expected: " + frameLength);
System.err.println("Actual: " + aff.getFrameLength());
throw new RuntimeException();
}
} else {
if (aff.getFrameLength() != AudioSystem.NOT_SPECIFIED) {
System.err.println("Expected: " + AudioSystem.NOT_SPECIFIED);
System.err.println("Actual: " + aff.getFrameLength());
throw new RuntimeException();
}
}
validateFormat(type[1], rate, channel, aff.getFormat());
}
/**
* Obtains an audio stream from the URL provided. The URL must
* point to valid audio file data.
* @param url the URL for which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data pointed
* to by the URL
* @throws UnsupportedAudioFileException if the URL does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
*/
public AudioInputStream getAudioInputStream(URL url) throws UnsupportedAudioFileException, IOException {
InputStream urlStream = url.openStream(); // throws IOException
AudioFileFormat fileFormat = null;
try {
fileFormat = getCOMM(urlStream, false);
} finally {
if (fileFormat == null) {
urlStream.close();
}
}
return new AudioInputStream(urlStream, fileFormat.getFormat(), fileFormat.getFrameLength());
}
AiffFileFormat( AudioFileFormat aff ) {
this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() );
}
/**
* Obtains an audio stream from the input stream provided. The stream must
* point to valid audio file data. In general, audio file providers may
* need to read some data from the stream before determining whether they
* support it. These parsers must
* be able to mark the stream, read enough data to determine whether they
* support the stream, and, if not, reset the stream's read pointer to its original
* position. If the input stream does not support this, this method may fail
* with an IOException.
* @param stream the input stream from which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data contained
* in the input stream.
* @throws UnsupportedAudioFileException if the stream does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
* @see InputStream#markSupported
* @see InputStream#mark
*/
public AudioInputStream getAudioInputStream(InputStream stream) throws UnsupportedAudioFileException, IOException {
// getCOMM leaves the input stream at the beginning of the audio data
AudioFileFormat fileFormat = getCOMM(stream, true); // throws UnsupportedAudioFileException, IOException
// we've got everything, and the stream is at the
// beginning of the audio data, so return an AudioInputStream.
return new AudioInputStream(stream, fileFormat.getFormat(), fileFormat.getFrameLength());
}
/**
* Obtains an audio stream from the input stream provided. The stream must
* point to valid audio file data. In general, audio file providers may
* need to read some data from the stream before determining whether they
* support it. These parsers must
* be able to mark the stream, read enough data to determine whether they
* support the stream, and, if not, reset the stream's read pointer to its original
* position. If the input stream does not support this, this method may fail
* with an IOException.
* @param stream the input stream from which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data contained
* in the input stream.
* @throws UnsupportedAudioFileException if the stream does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
* @see InputStream#markSupported
* @see InputStream#mark
*/
public AudioInputStream getAudioInputStream(InputStream stream) throws UnsupportedAudioFileException, IOException {
// getFMT leaves the input stream at the beginning of the audio data
AudioFileFormat fileFormat = getFMT(stream, true); // throws UnsupportedAudioFileException, IOException
// we've got everything, and the stream is at the
// beginning of the audio data, so return an AudioInputStream.
return new AudioInputStream(stream, fileFormat.getFormat(), fileFormat.getFrameLength());
}
/**
* Obtains an audio stream from the input stream provided. The stream must
* point to valid audio file data. In general, audio file providers may
* need to read some data from the stream before determining whether they
* support it. These parsers must
* be able to mark the stream, read enough data to determine whether they
* support the stream, and, if not, reset the stream's read pointer to its original
* position. If the input stream does not support this, this method may fail
* with an IOException.
* @param stream the input stream from which the <code>AudioInputStream</code> should be
* constructed
* @return an <code>AudioInputStream</code> object based on the audio file data contained
* in the input stream.
* @throws UnsupportedAudioFileException if the stream does not point to valid audio
* file data recognized by the system
* @throws IOException if an I/O exception occurs
* @see InputStream#markSupported
* @see InputStream#mark
*/
public AudioInputStream getAudioInputStream(InputStream stream) throws UnsupportedAudioFileException, IOException {
// getFMT leaves the input stream at the beginning of the audio data
AudioFileFormat fileFormat = getFMT(stream, true); // throws UnsupportedAudioFileException, IOException
// we've got everything, and the stream is at the
// beginning of the audio data, so return an AudioInputStream.
return new AudioInputStream(stream, fileFormat.getFormat(), fileFormat.getFrameLength());
}
WaveFileFormat( AudioFileFormat aff ) {
this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() );
}
AuFileFormat( AudioFileFormat aff ) {
this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() );
}
AuFileFormat( AudioFileFormat aff ) {
this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() );
}
AuFileFormat( AudioFileFormat aff ) {
this( aff.getType(), aff.getByteLength(), aff.getFormat(), aff.getFrameLength() );
}