6321N/A * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * AIFF file reader and writer. 0N/A * @author Kara Kytle 0N/A * @author Jan Borgersen 0N/A * @author Florian Bomers 0N/A * Constructs a new AiffParser object. 0N/A // METHODS TO IMPLEMENT AudioFileReader 0N/A * Obtains the audio file format of the input stream provided. The stream must 0N/A * point to valid audio file data. In general, audio file providers may 0N/A * need to read some data from the stream before determining whether they 0N/A * support it. These parsers must 0N/A * be able to mark the stream, read enough data to determine whether they 0N/A * support the stream, and, if not, reset the stream's read pointer to its original 0N/A * position. If the input stream does not support this, this method may fail 0N/A * with an IOException. 0N/A * @param stream the input stream from which file format information should be 0N/A * @return an <code>AudioFileFormat</code> object describing the audio file format 0N/A * @throws UnsupportedAudioFileException if the stream does not point to valid audio 0N/A * file data recognized by the system 0N/A * @throws IOException if an I/O exception occurs 0N/A * @see InputStream#markSupported 0N/A * @see InputStream#mark 0N/A // fix for 4489272: AudioSystem.getAudioFileFormat() fails for InputStream, but works for URL 0N/A // the following is not strictly necessary - but was implemented like that in 1.3.0 - 1.4.1 0N/A // so I leave it as it was. May remove this for 1.5.0 0N/A * Obtains the audio file format of the URL provided. The URL must 0N/A * point to valid audio file data. 0N/A * @param url the URL from which file format information should be 0N/A * @return an <code>AudioFileFormat</code> object describing the audio file format 0N/A * @throws UnsupportedAudioFileException if the URL does not point to valid audio 0N/A * file data recognized by the system 0N/A * @throws IOException if an I/O exception occurs 0N/A * Obtains the audio file format of the File provided. The File must 0N/A * point to valid audio file data. 0N/A * @param file the File from which file format information should be 0N/A * @return an <code>AudioFileFormat</code> object describing the audio file format 0N/A * @throws UnsupportedAudioFileException if the File does not point to valid audio 0N/A * file data recognized by the system 0N/A * @throws IOException if an I/O exception occurs 0N/A // part of fix for 4325421 0N/A * Obtains an audio stream from the input stream provided. The stream must 0N/A * point to valid audio file data. In general, audio file providers may 0N/A * need to read some data from the stream before determining whether they 0N/A * support it. These parsers must 0N/A * be able to mark the stream, read enough data to determine whether they 0N/A * support the stream, and, if not, reset the stream's read pointer to its original 0N/A * position. If the input stream does not support this, this method may fail 0N/A * with an IOException. 0N/A * @param stream the input stream from which the <code>AudioInputStream</code> should be 0N/A * @return an <code>AudioInputStream</code> object based on the audio file data contained 0N/A * in the input stream. 0N/A * @throws UnsupportedAudioFileException if the stream does not point to valid audio 0N/A * file data recognized by the system 0N/A * @throws IOException if an I/O exception occurs 0N/A * @see InputStream#markSupported 0N/A * @see InputStream#mark 0N/A // getCOMM leaves the input stream at the beginning of the audio data 0N/A // we've got everything, and the stream is at the 0N/A // beginning of the audio data, so return an AudioInputStream. 0N/A * Obtains an audio stream from the URL provided. The URL must 0N/A * point to valid audio file data. 0N/A * @param url the URL for which the <code>AudioInputStream</code> should be 0N/A * @return an <code>AudioInputStream</code> object based on the audio file data pointed 0N/A * @throws UnsupportedAudioFileException if the URL does not point to valid audio 0N/A * file data recognized by the system 0N/A * @throws IOException if an I/O exception occurs 0N/A * Obtains an audio stream from the File provided. The File must 0N/A * point to valid audio file data. 0N/A * @param file the File for which the <code>AudioInputStream</code> should be 0N/A * @return an <code>AudioInputStream</code> object based on the audio file data pointed 0N/A * @throws UnsupportedAudioFileException if the File does not point to valid audio 0N/A * file data recognized by the system 0N/A * @throws IOException if an I/O exception occurs 0N/A // part of fix for 4325421 0N/A //-------------------------------------------------------------------- 0N/A // assumes a stream at the beginning of the file which has already 0N/A // passed the magic number test... 0N/A // leaves the input stream at the beginning of the audio data 0N/A // Read the magic number 0N/A // $$fb: fix for 4369044: javax.sound.sampled.AudioSystem.getAudioInputStream() works wrong with Cp037 0N/A // not AIFF, throw exception 0N/A // Is this an AIFC or just plain AIFF file. 0N/A // $$fb: fix for 4369044: javax.sound.sampled.AudioSystem.getAudioInputStream() works wrong with Cp037 0N/A // Loop through the AIFF chunks until 0N/A // we get to the SSND chunk. 0N/A // Read the chunk name 0N/A // Switch on the chunk name. 0N/A // Ignore format version for now. 0N/A // $$fb: fix for 4399551: Repost of bug candidate: cannot replay aif file (Review ID: 108108) 0N/A // Read header info. 0N/A // If this is not AIFC then we assume it's 0N/A // a linearly encoded file. 0N/A //$fb what's that ?? 0N/A //if (sampleSizeInBits == 8) { 0N/A // encoding = AudioFormat.Encoding.PCM_SIGNED; 0N/A // we are getting *weird* numbers for chunkLen sometimes; 0N/A // this really should be the size of the data chunk.... 0N/A // okay, now we are done reading the header. we need to set the size 0N/A // of the data segment. we know that sometimes the value we get for 0N/A // the chunksize is absurd. this is the best i can think of:if the 0N/A // value seems okay, use it. otherwise, we get our value of 0N/A // length by assuming that everything left is the data segment; 0N/A // its length should be our original length (for all AIFF data chunks) 0N/A // minus what we've read so far. 0N/A // $$kk: we should be able to get length for the data chunk right after 0N/A // we find "SSND." however, some aiff files give *weird* numbers. what 0N/A // $$kk: 11.03.98: this seems dangerous! 0N/A // skip the remainder of this chunk 0N/A /** write_ieee_extended(DataOutputStream dos, double f) throws IOException { 0N/A * Extended precision IEEE floating-point conversion routine. 0N/A * @argument DataOutputStream 0N/A * @exception IOException 0N/A // For now write the integer portion of f 0N/A // $$jb: 03.30.99: stay in synch with JMF on this!!!! 0N/A * read_ieee_extended 0N/A * Extended precision IEEE floating-point conversion routine. 0N/A * @argument DataInputStream 0N/A * @exception IOException 0N/A double HUGE = ((
double)
3.40282346638528860e+38);