java 调用 mplayer

java: [url]http://beradrian.wordpress.com/2008/01/30/jmplayer/[/url]

qt: [url]http://www.embedu.org/Column/Column140.htm[/url]
[url]http://tingxx.ycool.com/post.2028303.html[/url]

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintStream;

class LineRedirecter extends Thread {
    /** The input stream to read from. */
    private InputStream in;
    /** The output stream to write to. */
    private OutputStream out;

    /**
     * @param in the input stream to read from.
     * @param out the output stream to write to.
     * @param prefix the prefix used to prefix the lines when outputting to the logger.
     */
    LineRedirecter(InputStream in, OutputStream out) {
        this.in = in;
        this.out = out;
    }

    public void run()
    {
        try {
            // creates the decorating reader and writer
            BufferedReader reader = new BufferedReader(new InputStreamReader(in));
            PrintStream printStream = new PrintStream(out);
            String line;

            // read line by line
            while ( (line = reader.readLine()) != null) {
                printStream.println(line);
            }
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
    }

}

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PipedInputStream;
import java.io.PipedOutputStream;
import java.io.PrintStream;


public class MyPlayer {

	public static void main(String[] args) {
		try{

//		 create the piped streams where to redirect the standard output and error of MPlayer
//		 specify a bigger pipesize than the default of 1024
			PipedInputStream  readFrom = new PipedInputStream(256*1024);
			PipedOutputStream writeTo = new PipedOutputStream(readFrom);
			BufferedReader mplayerOutErr = new BufferedReader(new InputStreamReader(readFrom));
			Process mplayerProcess = Runtime.getRuntime().exec("e:/player.exe c:/media/video/1.mov");//-quiet -idle -slave  
//		 create the threads to redirect the standard output and error of MPlayer
			new LineRedirecter(mplayerProcess.getInputStream(), writeTo).start();
			new LineRedirecter(mplayerProcess.getErrorStream(), writeTo).start();

//		 the standard input of MPlayer
			PrintStream mplayerIn = new PrintStream(mplayerProcess.getOutputStream());

			mplayerIn.print("set_property time_pos 300");
			mplayerIn.print("\n");
			mplayerIn.flush();


			mplayerIn.print("loadfile \"c:/media/video/1.mov\" 0");
			mplayerIn.print("\n");
			mplayerIn.flush();


			mplayerIn.print("pause");
			mplayerIn.print("\n");
			mplayerIn.flush();


			mplayerIn.print("get_property length");
			mplayerIn.print("\n");
			mplayerIn.flush();


			String answer;
			int totalTime = -1;
			try {
			    while ((answer = mplayerOutErr.readLine()) != null) {
			        if (answer.startsWith("ANS_length=")) {
			            totalTime = Integer.parseInt(answer.substring("ANS_length=".length()));
			            break;
			        }
			    }
			}
			catch (IOException e) {
			}
			System.out.println("========"+totalTime);



			try {
			    mplayerProcess.waitFor();
			}
			catch (InterruptedException e) {}

		}catch (Exception e) {
		}
	}
}

例子为 windows 版 mplayer ,此例用基本调用，如有需要请查看 mplayer 手册 [url]http://wuzijingaip.iteye.com/admin/blogs/545229[/url]



java开源万能播放器里的一段

/*
 * 作者:[e-mail]
 * 网站:http://hi.baidu.com/mqlayer
 */

package player;

import java.awt.Canvas;
import java.awt.Color;
import java.awt.peer.ComponentPeer;

import javax.swing.JPanel;


public class VideoPanel extends JPanel{
	private static final long serialVersionUID = 4417214835406666167L;
	Player player;
	Canvas canvas;
	VideoPanel(Player pl){
		player=pl;
		setBackground(new Color(3,3,3));
		setLayout(new VideoLayout(player));
		canvas=new Canvas();
		add(canvas);
		canvas.setName("canvas");
		canvas.setBackground(new Color(3,3,3));
	}

	//获取组件的window handle
	@SuppressWarnings("deprecation")
	long getWid(){
		long wid=-1;
		try {
			Class<?> cl = Class.forName("sun.awt.windows.WComponentPeer");
			java.lang.reflect.Field f = cl.getDeclaredField("hwnd");
			f.setAccessible(true);
			ComponentPeer peer = canvas.getPeer();
			wid = f.getLong(peer);
		} catch (Exception e) {
			e.printStackTrace();
		}
		System.out.println("wid:" + wid );
		return wid;
	}
}