view src/com/aurellem/capture/audio/WaveFileWriter.java @ 15:be5ac56826be

created part of the advanced documentation
author Robert McIntyre <rlm@mit.edu>
date Fri, 28 Oct 2011 06:52:46 -0700
parents 8a6b1684f536
children b643413c3aba
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line source
1 package com.aurellem.capture.audio;
3 import java.io.ByteArrayInputStream;
4 import java.io.File;
5 import java.io.IOException;
6 import java.nio.ByteBuffer;
7 import java.util.Vector;
9 import javax.sound.sampled.AudioFileFormat;
10 import javax.sound.sampled.AudioFormat;
11 import javax.sound.sampled.AudioInputStream;
12 import javax.sound.sampled.AudioSystem;
14 public class WaveFileWriter implements SoundProcessor {
16 public Vector<Byte> fullWaveData = new Vector<Byte>();
17 public File targetFile;
19 public WaveFileWriter(File targetFile){
20 this.targetFile = targetFile;
21 }
23 public void cleanup() {
24 byte[] data = new byte[this.fullWaveData.size()];
26 for (int i = 0; i < this.fullWaveData.size(); i++){
27 data[i] = this.fullWaveData.get(i);}
29 ByteArrayInputStream input = new ByteArrayInputStream(data);
30 AudioFormat format = new AudioFormat(44100.0f, 32, 1, true, false);
31 AudioInputStream audioInput = new AudioInputStream(input, format, data.length / 4 );
32 try {AudioSystem.write(audioInput, AudioFileFormat.Type.WAVE, targetFile);}
33 catch (IOException e) {e.printStackTrace();}
35 }
38 public void process(ByteBuffer audioSamples, int numSamples) {
39 for (int i = 0; i<numSamples; i++){
40 Byte b = audioSamples.get(i);
41 fullWaveData.add(b);
42 }
43 }
45 }