soundrecord.java

这是我们专业的课程设计

package Sound;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.TargetDataLine;

import Commen.BufferStream;

public class SoundRecord extends Thread {

	private AudioFormat audioFormat = null;
	private TargetDataLine targetDataLine = null;
	private DataLine.Info dataLineInfo = null;
	private BufferStream bufferStream = null;
	private boolean isRecording = false;

	public SoundRecord() {
		try {
			bufferStream = new BufferStream(15000);
			audioFormat = new AudioFormat(20000, 16, 2, true, true);
			dataLineInfo = new DataLine.Info(TargetDataLine.class, audioFormat);
			targetDataLine = (TargetDataLine) (AudioSystem
					.getLine(dataLineInfo));
		} catch (Exception ex) {
			System.out.println(ex);
		}
	}

	public void StartRecording() {
		try {
			System.out.println("StartRecording");
			isRecording = true;
			targetDataLine.open(audioFormat, targetDataLine.getBufferSize());
			targetDataLine.start();
			super.start();
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}

	public void StopRecording() {
		try {
			System.out.println("StopRecording");
			isRecording = false;
			targetDataLine.stop();
			targetDataLine.close();
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}

	public void run() {// 从管子中读 写入流 管子打开就是录音的过程
		try {

			int hasReadNumber;
			int bufferSize = 1024; // targetDataLine.getBufferSize() // / 8
			// 好像不除也行
			// * audioFormat.getFrameSize(); // 这个计算方法要记得
			byte[] buffer = new byte[bufferSize];
			while (isRecording) {
				hasReadNumber = targetDataLine.read(buffer, 0, bufferSize);
				synchronized (bufferStream) {
					bufferStream.puts(buffer, 0, hasReadNumber);
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}

	public byte[] getBytes() {
		byte[] ret;
		synchronized (bufferStream) {
			ret = bufferStream.gets();
		}
		return ret;
	}

	public int Remain() {
		return bufferStream.Remain();
	}
}