1 /*
2 * Copyright (c) 1999, 2005, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
176
177 /**
178 * Obtains the length of the stream, expressed in sample frames rather than bytes.
179 * @return the length in sample frames
180 */
181 public long getFrameLength() {
182 return frameLength;
183 }
184
185
186 /**
187 * Reads the next byte of data from the audio input stream. The audio input
188 * stream's frame size must be one byte, or an <code>IOException</code>
189 * will be thrown.
190 *
191 * @return the next byte of data, or -1 if the end of the stream is reached
192 * @throws IOException if an input or output error occurs
193 * @see #read(byte[], int, int)
194 * @see #read(byte[])
195 * @see #available
196 * <p>
197 */
198 public int read() throws IOException {
199 if( frameSize != 1 ) {
200 throw new IOException("cannot read a single byte if frame size > 1");
201 }
202
203 byte[] data = new byte[1];
204 int temp = read(data);
205 if (temp <= 0) {
206 // we have a weird situation if read(byte[]) returns 0!
207 return -1;
208 }
209 return data[0] & 0xFF;
210 }
211
212
213 /**
214 * Reads some number of bytes from the audio input stream and stores them into
215 * the buffer array <code>b</code>. The number of bytes actually read is
216 * returned as an integer. This method blocks until input data is
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1 /*
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
176
177 /**
178 * Obtains the length of the stream, expressed in sample frames rather than bytes.
179 * @return the length in sample frames
180 */
181 public long getFrameLength() {
182 return frameLength;
183 }
184
185
186 /**
187 * Reads the next byte of data from the audio input stream. The audio input
188 * stream's frame size must be one byte, or an <code>IOException</code>
189 * will be thrown.
190 *
191 * @return the next byte of data, or -1 if the end of the stream is reached
192 * @throws IOException if an input or output error occurs
193 * @see #read(byte[], int, int)
194 * @see #read(byte[])
195 * @see #available
196 */
197 public int read() throws IOException {
198 if( frameSize != 1 ) {
199 throw new IOException("cannot read a single byte if frame size > 1");
200 }
201
202 byte[] data = new byte[1];
203 int temp = read(data);
204 if (temp <= 0) {
205 // we have a weird situation if read(byte[]) returns 0!
206 return -1;
207 }
208 return data[0] & 0xFF;
209 }
210
211
212 /**
213 * Reads some number of bytes from the audio input stream and stores them into
214 * the buffer array <code>b</code>. The number of bytes actually read is
215 * returned as an integer. This method blocks until input data is
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