视频传输,代码报错,高手进来看看(进来的都给分,不够再加)
/****用jmf ***/
程序如下:
/***************************************************
* 程序文件名称: VAplay.java
* 功能:处理视频图像捕获和音频播放
***************************************************/
import java.awt.*;
import java.awt.image.*;
import java.awt.event.*;
import java.util.*;
import java.io.*;
import java.net.*;
import javax.imageio.*;
import javax.swing.*;
import javax.media.*;
import javax.media.protocol.*;
import javax.media.control.*;
import javax.media.util.*;
import javax.media.format.*;
import com.sun.image.codec.jpeg.*;
class VAplay extends JFrame implements Runnable
{
//定义视频图像播放器
private static Player player = null;
//定义音频播放器
private static Player player2 = null;
//获取视频设备
private CaptureDeviceInfo device = null;
//获取音频设备
private CaptureDeviceInfo device2 = null;
//媒体定位器
private MediaLocator locator = null;
private Image image;
private Buffer buffer = null;
private BufferToImage b2i = null;
//设置摄像头驱动类型
String str = "vfw:Microsoft WDM Image Capture (Win32):0";
//定义播放组件变量
Component comV, comVC, comA;
//定义面板
JPanel p1, p2, p3, p4;
JLabel label = new JLabel("对方IP:");
//初始时,在接收图像窗口显示一幅静态图片
JLabel label2 = new JLabel(new ImageIcon("image//load.gif"));
//定义二个线程,用于接收数据和发送数据
Thread thread1, thread2;
VAplay()
{
super("★视频传输★");
setBounds(150, 100, 500, 500);
p1 = new JPanel(new GridLayout(1, 2)); //(int rows, int cols) 创建具有指定行数和列数的网格布局
p2 = new JPanel(new GridLayout(2, 1));
p3 = new JPanel(new BorderLayout());
p4 = new JPanel(new BorderLayout());
//加载文本数据传输类
p1.add(new TxtChat());
p1.add(p2);
p2.add(p3);
p2.add(p4);
p3.add("North", new JLabel("Java视频图像传输"));
p3.add(label2, "Center");
add(label, "North");
add(p1, "Center");
try
{
//在本地播放视频
jbInit();
//在本地播放音频
speaker();
}
catch (Exception e)
{
e.printStackTrace();
}
thread1 = new Thread(this);
thread2 = new Thread(this);
//负责接收对方数据
thread1.start();
//负责向对方发送数据
thread2.start();
addWindowListener(new WindowAdapter()
{
public void windowClosing(WindowEvent e)
{
System.exit(0);
}
});
setVisible(true);
validate();
}
//在本地播放视频
private void jbInit() throws Exception
{
//初始化设备,str为设备驱动
device = CaptureDeviceManager.getDevice(str);
//确定所需的协议和媒体资源的位置
locator = device.getLocator();
try
{
//调用sethint后Manager会尽力用一个能和轻量级组件混合使用的Renderer来创建播放器
Manager.setHint(Manager.LIGHTWEIGHT_RENDERER, new Boolean(true));
//通过管理器创建播放线程使player达到Realized状态
player = Manager.createRealizedPlayer(locator);
player.start();
if ((comV = player.getVisualComponent()) != null)
//player.getVisualComponent()是一个播放视频媒体组件。
{
p4.add(comV, "Center");
}
if ((comVC = player.getControlPanelComponent()) != null)
//player.getControlPanelComponent()是显示时间的组件
{
p4.add(comVC, "South");
}
}
catch (Exception e)
{
e.printStackTrace();
}
setBounds(200, 100, 600, 550);
setVisible(true);
int new_w = p4.getWidth(); //输出的图像宽度
int new_h = p4.getHeight(); //输出的图像高度
//MediaTracker类跟踪一个Image对象的装载,完成图像加载
MediaTracker mt = new MediaTracker(this.p4);
try
{
mt.addImage(image, 0); //装载图像
mt.waitForID(0); //等待图像全部装载
}
catch (Exception e)
{
e.printStackTrace();
}
//将图像信息写入缓冲区
BufferedImage buffImg = new BufferedImage(new_w, new_h,
BufferedImage.TYPE_INT_RGB);
Graphics g = buffImg.createGraphics();
g.drawImage(image, 0, 0, new_w, new_h, this.p4);
g.dispose();
}
//在本地播放音频
private void speaker() throws Exception
{
Vector deviceList = CaptureDeviceManager.getDeviceList(new
AudioFormat(AudioFormat.LINEAR, 44100, 16, 2));
if (deviceList.size() > 0)
{
device2 = (CaptureDeviceInfo) deviceList.firstElement();
}
else
{
System.out.println("找不到音频设备!");
}
try
{
player2 = Manager.createRealizedPlayer(device2.getLocator());
player2.start();
if ((comA = player2.getControlPanelComponent()) != null)
{
p3.add(comA, "South");
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
//线程,接收或发送视频图像数据
public void run()
{
DatagramPacket pack = null;
DatagramSocket maildata = null;
byte data[] = new byte[320 * 240];
try
{