Showing the changes to java/pkg/sun/audio/ContinuousAudioDataStream.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1999, 2002, 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 | |
| 23 | + * questions. | |
| 24 | + */ | |
| 25 | + | |
| 26 | +package sun.audio; | |
| 27 | + | |
| 28 | +/** | |
| 29 | + * Create a continuous audio stream. This wraps a stream | |
| 30 | + * around an AudioData object, the stream is restarted | |
| 31 | + * at the beginning everytime the end is reached, thus | |
| 32 | + * creating continuous sound.<p> | |
| 33 | + * For example: | |
| 34 | + * <pre> | |
| 35 | + * AudioData data = AudioData.getAudioData(url); | |
| 36 | + * ContinuousAudioDataStream audiostream = new ContinuousAudioDataStream(data); | |
| 37 | + * AudioPlayer.player.start(audiostream); | |
| 38 | + * </pre> | |
| 39 | + * | |
| 40 | + * @see AudioPlayer | |
| 41 | + * @see AudioData | |
| 42 | + * @author Arthur van Hoff | |
| 43 | + */ | |
| 44 | + | |
| 45 | +public | |
| 46 | + class ContinuousAudioDataStream extends AudioDataStream { | |
| 47 | + | |
| 48 | + | |
| 49 | + /** | |
| 50 | + * Create a continuous stream of audio. | |
| 51 | + */ | |
| 52 | + public ContinuousAudioDataStream(AudioData data) { | |
| 53 | + | |
| 54 | + super(data); | |
| 55 | + } | |
| 56 | + | |
| 57 | + | |
| 58 | + public int read() { | |
| 59 | + | |
| 60 | + int i = super.read(); | |
| 61 | + | |
| 62 | + if (i == -1) { | |
| 63 | + reset(); | |
| 64 | + i = super.read(); | |
| 65 | + } | |
| 66 | + | |
| 67 | + return i; | |
| 68 | + } | |
| 69 | + | |
| 70 | + | |
| 71 | + public int read(byte ab[], int i1, int j) { | |
| 72 | + | |
| 73 | + int k; | |
| 74 | + | |
| 75 | + for (k = 0; k < j; ) { | |
| 76 | + int i2 = super.read(ab, i1 + k, j - k); | |
| 77 | + if (i2 >= 0) k += i2; | |
| 78 | + else reset(); | |
| 79 | + } | |
| 80 | + | |
| 81 | + return k; | |
| 82 | + } | |
| 83 | + } | |