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Diffstat (limited to 'songdbj/org/tritonus/file/WaveAudioFileWriter.java')
-rw-r--r--songdbj/org/tritonus/file/WaveAudioFileWriter.java103
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diff --git a/songdbj/org/tritonus/file/WaveAudioFileWriter.java b/songdbj/org/tritonus/file/WaveAudioFileWriter.java
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--- a/songdbj/org/tritonus/file/WaveAudioFileWriter.java
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1/*
2 * WaveAudioFileWriter.java
3 *
4 * This file is part of Tritonus: http://www.tritonus.org/
5 */
6
7/*
8 * Copyright (c) 1999,2000 by Florian Bomers <http://www.bomers.de>
9 *
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU Library General Public License as published
13 * by the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU Library General Public License for more details.
20 *
21 * You should have received a copy of the GNU Library General Public
22 * License along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 */
26
27/*
28|<--- this code is formatted to fit into 80 columns --->|
29*/
30
31package org.tritonus.sampled.file;
32
33import java.io.IOException;
34import java.util.Arrays;
35
36import javax.sound.sampled.AudioFileFormat;
37import javax.sound.sampled.AudioFormat;
38import javax.sound.sampled.AudioInputStream;
39import javax.sound.sampled.AudioSystem;
40
41import org.tritonus.share.TDebug;
42import org.tritonus.share.sampled.file.AudioOutputStream;
43import org.tritonus.share.sampled.file.TAudioFileWriter;
44import org.tritonus.share.sampled.file.TDataOutputStream;
45
46
47/**
48 * Class for writing Microsoft(tm) WAVE files
49 *
50 * @author Florian Bomers
51 */
52public class WaveAudioFileWriter
53extends TAudioFileWriter {
54
55 private static final AudioFileFormat.Type[] FILE_TYPES =
56 {
57 AudioFileFormat.Type.WAVE
58 };
59
60 private static final int ALL=AudioSystem.NOT_SPECIFIED;
61
62 // IMPORTANT: this array depends on the AudioFormat.match() algorithm which takes
63 // AudioSystem.NOT_SPECIFIED into account !
64 private static final AudioFormat[] AUDIO_FORMATS =
65 {
66 // Encoding, SampleRate, sampleSizeInBits, channels, frameSize, frameRate, bigEndian
67 new AudioFormat(AudioFormat.Encoding.PCM_UNSIGNED, ALL, 8, ALL, ALL, ALL, true),
68 new AudioFormat(AudioFormat.Encoding.PCM_UNSIGNED, ALL, 8, ALL, ALL, ALL, false),
69 new AudioFormat(AudioFormat.Encoding.ULAW, ALL, 8, ALL, ALL, ALL, false),
70 new AudioFormat(AudioFormat.Encoding.ULAW, ALL, 8, ALL, ALL, ALL, true),
71 new AudioFormat(AudioFormat.Encoding.ALAW, ALL, 8, ALL, ALL, ALL, false),
72 new AudioFormat(AudioFormat.Encoding.ALAW, ALL, 8, ALL, ALL, ALL, true),
73 new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, ALL, 16, ALL, ALL, ALL, false),
74 new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, ALL, 24, ALL, ALL, ALL, false),
75 new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, ALL, 32, ALL, ALL, ALL, false),
76 new AudioFormat(WaveTool.GSM0610, ALL, ALL, ALL, ALL, ALL, false),
77 new AudioFormat(WaveTool.GSM0610, ALL, ALL, ALL, ALL, ALL, true),
78 };
79
80 public WaveAudioFileWriter() {
81 super(Arrays.asList(FILE_TYPES),
82 Arrays.asList(AUDIO_FORMATS));
83 }
84
85 // overwritten for quicker and more accurate check
86 protected boolean isAudioFormatSupportedImpl(AudioFormat format,
87 AudioFileFormat.Type fileType) {
88 return WaveTool.getFormatCode(format) != WaveTool.WAVE_FORMAT_UNSPECIFIED;
89 }
90
91
92 protected AudioOutputStream getAudioOutputStream(AudioFormat audioFormat,
93 long lLengthInBytes,
94 AudioFileFormat.Type fileType,
95 TDataOutputStream dataOutputStream) throws IOException {
96 return new WaveAudioOutputStream(audioFormat,
97 lLengthInBytes,
98 dataOutputStream);
99 }
100
101}
102
103/*** WaveAudioFileWriter.java ***/