- package _tmp;
- import java.awt.BorderLayout;
- import java.awt.Color;
- import java.awt.Graphics;
- import java.awt.Image;
- import java.awt.Toolkit;
- import java.awt.image.BufferedImage;
- import java.io.File;
- import java.io.IOException;
- import java.util.ArrayDeque;
- import java.util.Deque;
- import java.util.Iterator;
- import java.util.LinkedList;
- import java.util.Timer;
- import java.util.TimerTask;
- import javax.sound.sampled.AudioFormat;
- import javax.sound.sampled.AudioInputStream;
- import javax.sound.sampled.AudioSystem;
- import javax.sound.sampled.SourceDataLine;
- import javax.swing.JFrame;
- import javax.swing.SwingUtilities;
- public class SoundTest {
- public static class WaveformGraph extends JFrame {
- private Deque<Short> deque = new LinkedList<Short>();
- private Timer timer;
- private Image buffered;
- private Image showing;
- public WaveformGraph(int width, int height) {
- setSize(width, height);
- timer = new Timer();
- buffered = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
- timer.schedule(new TimerTask() {
- @Override public void run() {
- Graphics g = buffered.getGraphics();
- g.setColor(Color.WHITE);
- g.fillRect(0, 0, getWidth(), getHeight());
- g.setColor(Color.BLACK);
- g.translate(10, getHeight()/2);
- synchronized (deque) {
- float heightRate = 1;
- if(deque.size() > 1) {
- Iterator<Short> iter = deque.iterator();
- Short p1 = iter.next();
- Short p2 = iter.next();
- int x1 = 0, x2 = 0;
- while(iter.hasNext()) {
- g.drawLine(x1, (int)(p1*heightRate), x2, (int)(p2*heightRate));
- p1 = p2;
- p2 = iter.next();
- x1 = x2;
- x2 += 1;
- }
- }
- }
- g.dispose();
- SwingUtilities.invokeLater(new Runnable() {
- @Override public void run() {
- showing = buffered;
- repaint();
- showing = null;
- }
- });
- }
- }, 100, 100);
- }
- @Override
- public void paint(Graphics g) {
- super.paint(g);
- if(buffered!=null) {
- g.drawImage(buffered, 0, 0, null);
- }
- }
- public void put(short v) {
- synchronized (deque) {
- deque.add(v);
- if(deque.size() > 500) {
- deque.removeFirst();
- }
- }
- }
- public void clear() {
- deque.clear();
- }
- }
- public static void main(String[] args) throws Exception {
- // record();
- WaveformGraph waveformGraph = new WaveformGraph(500, 300);
- waveformGraph.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- waveformGraph.setVisible(true);
- AudioInputStream ais = AudioSystem.getAudioInputStream(new File("C:\\\\Documents and Settings\\\\wml\\\\My Documents\\\\My Music\\\\苏仨 - 失眠症.wav"));
- printFormat(ais.getFormat());
- SourceDataLine player = AudioSystem.getSourceDataLine(ais.getFormat());
- player.open();
- player.start();
- byte[] buf = new byte[4];
- int len;
- while((len=ais.read(buf))!=-1) {
- if(ais.getFormat().getChannels() == 2) {
- if(ais.getFormat().getSampleRate() == 16) {
- waveformGraph.put((short) ((buf[1] << 8) | buf[0]));//左声道
- // waveformGraph.put((short) ((buf[3] << 8) | buf[2]));//右声道
- } else {
- waveformGraph.put(buf[1]);//左声道
- waveformGraph.put(buf[3]);//左声道
- // waveformGraph.put(buf[2]);//右声道
- // waveformGraph.put(buf[4]);//右声道
- }
- } else {
- if(ais.getFormat().getSampleRate() == 16) {
- waveformGraph.put((short) ((buf[1] << 8) | buf[0]));
- waveformGraph.put((short) ((buf[3] << 8) | buf[2]));
- } else {
- waveformGraph.put(buf[1]);
- waveformGraph.put(buf[2]);
- waveformGraph.put(buf[3]);
- waveformGraph.put(buf[4]);
- }
- }
- player.write(buf, 0, len);
- }
- player.close();
- ais.close();
- }
- public static void printFormat(AudioFormat format) {
- System.out.println(format.getEncoding() + " => "
- + format.getSampleRate()+" hz, "
- + format.getSampleSizeInBits() + " bit, "
- + format.getChannels() + " channel, "
- + format.getFrameRate() + " frames/second, "
- + format.getFrameSize() + " bytes/frame");
- }
- // public static void record() throws LineUnavailableException,
- // InterruptedException {
- // AudioFormat audioFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, 48000F, 16, 1, 2, 48000F, false);
- // Info recordDevInfo = new DataLine.Info(TargetDataLine.class, audioFormat);
- //
- // final TargetDataLine recordLine = (TargetDataLine) AudioSystem.getLine(recordDevInfo);
- // final SourceDataLine playLine = AudioSystem.getSourceDataLine(audioFormat);
- //
- // recordLine.open(audioFormat, recordLine.getBufferSize());
- // playLine.open(audioFormat, recordLine.getBufferSize());
- //
- // Thread recorder = new Thread() {
- // public void run() {
- // recordLine.start();
- // playLine.start();
- //
- // FloatControl fc = (FloatControl) playLine.getControl(FloatControl.Type.MASTER_GAIN);
- // double value = 2;
- // float dB = (float) (Math.log(value == 0.0 ? 0.0001 : value) / Math.log(10.0) * 20.0);
- // fc.setValue(dB);
- //
- // try {
- // AudioInputStream in = new AudioInputStream(recordLine);
- // byte[] buf = new byte[recordLine.getBufferSize()];
- // int len;
- // while((len=in.read(buf)) != -1) {
- // playLine.write(buf, 0, len);
- // }
- // } catch (IOException e) {
- // e.printStackTrace();
- // } finally {
- // recordLine.stop();
- // playLine.stop();
- // }
- // };
- // };
- // recorder.start();
- // recorder.join();
- // }
- }
- //该片段来自于http://www.codesnippet.cn/detail/1010201410593.html
来源: http://www.codesnippet.cn/detail/1010201410593.html