104 lines
3.7 KiB
Java
104 lines
3.7 KiB
Java
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/*
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* WaveAudioFileWriter.java
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*
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* This file is part of Tritonus: http://www.tritonus.org/
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*/
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/*
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* Copyright (c) 1999,2000 by Florian Bomers <http://www.bomers.de>
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*
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Library General Public License as published
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* by the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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/*
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|<--- this code is formatted to fit into 80 columns --->|
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*/
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package org.tritonus.sampled.file;
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import java.io.IOException;
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import java.util.Arrays;
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import javax.sound.sampled.AudioFileFormat;
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import javax.sound.sampled.AudioFormat;
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import javax.sound.sampled.AudioInputStream;
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import javax.sound.sampled.AudioSystem;
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import org.tritonus.share.TDebug;
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import org.tritonus.share.sampled.file.AudioOutputStream;
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import org.tritonus.share.sampled.file.TAudioFileWriter;
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import org.tritonus.share.sampled.file.TDataOutputStream;
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/**
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* Class for writing Microsoft(tm) WAVE files
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*
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* @author Florian Bomers
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*/
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public class WaveAudioFileWriter
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extends TAudioFileWriter {
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private static final AudioFileFormat.Type[] FILE_TYPES =
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{
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AudioFileFormat.Type.WAVE
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};
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private static final int ALL=AudioSystem.NOT_SPECIFIED;
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// IMPORTANT: this array depends on the AudioFormat.match() algorithm which takes
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// AudioSystem.NOT_SPECIFIED into account !
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private static final AudioFormat[] AUDIO_FORMATS =
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{
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// Encoding, SampleRate, sampleSizeInBits, channels, frameSize, frameRate, bigEndian
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new AudioFormat(AudioFormat.Encoding.PCM_UNSIGNED, ALL, 8, ALL, ALL, ALL, true),
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new AudioFormat(AudioFormat.Encoding.PCM_UNSIGNED, ALL, 8, ALL, ALL, ALL, false),
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new AudioFormat(AudioFormat.Encoding.ULAW, ALL, 8, ALL, ALL, ALL, false),
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new AudioFormat(AudioFormat.Encoding.ULAW, ALL, 8, ALL, ALL, ALL, true),
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new AudioFormat(AudioFormat.Encoding.ALAW, ALL, 8, ALL, ALL, ALL, false),
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new AudioFormat(AudioFormat.Encoding.ALAW, ALL, 8, ALL, ALL, ALL, true),
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new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, ALL, 16, ALL, ALL, ALL, false),
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new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, ALL, 24, ALL, ALL, ALL, false),
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new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, ALL, 32, ALL, ALL, ALL, false),
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new AudioFormat(WaveTool.GSM0610, ALL, ALL, ALL, ALL, ALL, false),
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new AudioFormat(WaveTool.GSM0610, ALL, ALL, ALL, ALL, ALL, true),
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};
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public WaveAudioFileWriter() {
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super(Arrays.asList(FILE_TYPES),
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Arrays.asList(AUDIO_FORMATS));
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}
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// overwritten for quicker and more accurate check
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protected boolean isAudioFormatSupportedImpl(AudioFormat format,
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AudioFileFormat.Type fileType) {
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return WaveTool.getFormatCode(format) != WaveTool.WAVE_FORMAT_UNSPECIFIED;
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}
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protected AudioOutputStream getAudioOutputStream(AudioFormat audioFormat,
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long lLengthInBytes,
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AudioFileFormat.Type fileType,
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TDataOutputStream dataOutputStream) throws IOException {
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return new WaveAudioOutputStream(audioFormat,
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lLengthInBytes,
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dataOutputStream);
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}
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}
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/*** WaveAudioFileWriter.java ***/
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