Java播放器源代碼。

import javax.media.*;

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import java.awt.*;

import java.awt.event.*;

class MediaPlayer extends Frame implements ActionListener,

ControllerListener, ItemListener

{

Player player;

Component vc, cc;

boolean first = true, loop = false;

String currentDirectory;

MediaPlayer (String title)

{

super (title);

addWindowListener

(new WindowAdapter ()

{

public void windowClosing (WindowEvent e) {

// 用戶點(diǎn)擊窗口系統(tǒng)菜單的關(guān)閉按鈕

// 調(diào)用dispose以執(zhí)行windowClosed

dispose ();

} public void windowClosed (WindowEvent e) {

if (player != null) player.close ();

System.exit (0);

}

});

Menu m = new Menu ("文件");

MenuItem mi = new MenuItem ("打開");

mi.addActionListener (this);

m.add (mi);

m.addSeparator ();

CheckboxMenuItem cbmi = new CheckboxMenuItem ("循環(huán)", false);

cbmi.addItemListener (this);

m.add (cbmi);

m.addSeparator ();

mi = new MenuItem ("退出");

mi.addActionListener (this);

m.add (mi);

MenuBar mb = new MenuBar ();

mb.add (m);

setMenuBar (mb);

setSize (200, 200);

setVisible (true);

}

public void actionPerformed (ActionEvent e)

{

if (e.getActionCommand ().equals ("退出"))

{

// 調(diào)用dispose以便執(zhí)行windowClosed

dispose ();

return;

}

FileDialog fd = new FileDialog (this, "打開媒體文件",

FileDialog.LOAD);

fd.setDirectory (currentDirectory);

fd.show ();

// 如果用戶放棄選擇文件，則返回

if (fd.getFile () == null) return;

currentDirectory = fd.getDirectory ();

if (player != null)

player.close ();

try

{

player = Manager.createPlayer (new MediaLocator ("file:" + fd.getDirectory () + fd.getFile ()));

}

catch (java.io.IOException e2)

{

System.out.println (e2);

return;

}

catch (NoPlayerException e2)

{

System.out.println ("不能找到播放器.");

return;

}

if (player == null)

{

System.out.println ("無(wú)法創(chuàng)建播放器.");

return;

}

first = false;

setTitle (fd.getFile ());

player.addControllerListener (this);

player.prefetch ();

}

public void controllerUpdate (ControllerEvent e)

{

// 調(diào)用player.close()時(shí)ControllerClosedEvent事件出現(xiàn)。

// 如果存在視覺部件，則該部件應(yīng)該拆除（為一致起見，

// 我們對(duì)控制面板部件也執(zhí)行同樣的操作）

if (e instanceof ControllerClosedEvent)

{

if (vc != null)

{

remove (vc);

vc = null;

}

if (cc != null)

{

remove (cc);

cc = null;

}

return;

}

if (e instanceof EndOfMediaEvent)

{

if (loop)

{

player.setMediaTime (new Time (0));

player.start ();

}

return;

}

if (e instanceof PrefetchCompleteEvent)

{

player.start ();

return;

}

if (e instanceof RealizeCompleteEvent)

{

vc = player.getVisualComponent ();

if (vc != null)

add (vc);

cc = player.getControlPanelComponent ();

if (cc != null)

add (cc, BorderLayout.SOUTH);

pack ();

}

}

public void itemStateChanged (ItemEvent e)

{

loop = !loop;

}

public void paint (Graphics g)

{

if (first)

{

int w = getSize ().width;

int h = getSize ().height;

g.setColor (Color.blue);

g.fillRect (0, 0, w, h);

Font f = new Font ("DialogInput", Font.BOLD, 16);

g.setFont (f);

FontMetrics fm = g.getFontMetrics ();

int swidth = fm.stringWidth ("*** 歡迎 ***");

g.setColor (Color.white);

g.drawString ("*** 歡迎 ***",

(w - swidth) / 2,

(h + getInsets ().top) / 2);

}

// 調(diào)用超類Frame的paint()方法，該paint()方法將調(diào)用Frame包含的各個(gè)容器

// 和部件（包括控制面板部件）的paint()方法。

super.paint (g);

}

// 不執(zhí)行背景清除操作，以免控制面板部件閃爍

public void update (Graphics g)

{

paint (g);

}

public static void main (String [] args) {

new MediaPlayer ("媒體播放器1.0");

} }

java編寫 mp3播放器 代碼

// 你看看吧。。 必須下載 jmf包 如果不知道下載就問我吧

import java.awt.*;

import java.awt.event.*;

import java.applet.*;

import javax.media.bean.playerbean.MediaPlayer; //必須下載 jmf 媒體播放包

public class player extends Applet implements ActionListener {

Button b1, b2;

MediaPlayer player;

public void init() {

player = new MediaPlayer();

setLayout(new FlowLayout());

try{

player.setMediaLocation("file:/F:\\音樂\\mp3\\黑白配.mp3");// file:/不能刪除 音頻文件路徑

} catch (Exception e) {

System.out.println("文件不存在");

}

b1 = new Button("播放");

b2 = new Button("停止");

add(b1);

add(b2);

b1.addActionListener(this);

b2.addActionListener(this);

setSize(200, 200);

setVisible(true);

}

public void actionPerformed(ActionEvent e) {

if (e.getSource() == b1) {

player.start();

} else if (e.getSource() == b2) {

player.stop();

System.out.println(player.getMediaTime().getSeconds());

}

}

}

求JAVA視頻播放器代碼

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.FileDialog;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.media.ControllerClosedEvent;

import javax.media.ControllerEvent;

import javax.media.ControllerListener;

import javax.media.EndOfMediaEvent;

import javax.media.Manager;

import javax.media.MediaLocator;

import javax.media.NoPlayerException;

import javax.media.Player;

import javax.media.PrefetchCompleteEvent;

import javax.media.RealizeCompleteEvent;

import javax.media.Time;

import javax.swing.JCheckBoxMenuItem;

import javax.swing.JFrame;

import javax.swing.JMenu;

import javax.swing.JMenuBar;

import javax.swing.JMenuItem;

import javax.swing.SwingUtilities;

import javax.swing.UIManager;

public class JMFMediaPlayer extends JFrame implements ActionListener,

ControllerListener, ItemListener {

// JMF的播放器

Player player;

// 播放器的視頻組件和控制組件

Component vedioComponent;

Component controlComponent;

// 標(biāo)示是否是第一次打開播放器

boolean first = true;

// 標(biāo)示是否需要循環(huán)

boolean loop = false;

// 文件當(dāng)前目錄

String currentDirectory;

// 構(gòu)造方法

public JMFMediaPlayer(String title) {

super(title);

addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e){

// 用戶點(diǎn)擊窗口系統(tǒng)菜單的關(guān)閉按鈕

// 調(diào)用dispose以執(zhí)行windowClosed

dispose();

}

public void windowClosed(WindowEvent e){

if (player != null){

// 關(guān)閉JMF播放器對(duì)象

player.close();

}

System.exit(0);

}

});

// 創(chuàng)建播放器的菜單

JMenu fileMenu = new JMenu("文件");

JMenuItem openMemuItem = new JMenuItem("打開");

openMemuItem.addActionListener(this);

fileMenu.add(openMemuItem);

// 添加一個(gè)分割條

fileMenu.addSeparator();

// 創(chuàng)建一個(gè)復(fù)選框菜單項(xiàng)

JCheckBoxMenuItem loopMenuItem = new JCheckBoxMenuItem("循環(huán)", false);

loopMenuItem.addItemListener(this);

fileMenu.add(loopMenuItem);

fileMenu.addSeparator();

JMenuItem exitMemuItem = new JMenuItem("退出");

exitMemuItem.addActionListener(this);

fileMenu.add(exitMemuItem);

JMenuBar menuBar = new JMenuBar();

menuBar.add(fileMenu);

this.setJMenuBar(menuBar);

this.setSize(200, 200);

try {

// 設(shè)置界面的外觀，為系統(tǒng)外觀

UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());

SwingUtilities.updateComponentTreeUI(this);

} catch (Exception e) {

e.printStackTrace();

}

this.setVisible(true);

}

/**

* 實(shí)現(xiàn)了ActionListener接口，處理組件的活動(dòng)事件

*/

public void actionPerformed(ActionEvent e) {

if (e.getActionCommand().equals("退出")) {

// 調(diào)用dispose以便執(zhí)行windowClosed

dispose();

return;

}

FileDialog fileDialog = new FileDialog(this, "打開媒體文件", FileDialog.LOAD);

fileDialog.setDirectory(currentDirectory);

fileDialog.setVisible(true);

// 如果用戶放棄選擇文件，則返回

if (fileDialog.getFile() == null){

return;

}

currentDirectory = fileDialog.getDirectory();

if (player != null){

// 關(guān)閉已經(jīng)存在JMF播放器對(duì)象

player.close();

}

try {

// 創(chuàng)建一個(gè)打開選擇文件的播放器

player = Manager.createPlayer(new MediaLocator("file:"

+ fileDialog.getDirectory() + fileDialog.getFile()));

} catch (java.io.IOException e2) {

System.out.println(e2);

return;

} catch (NoPlayerException e2) {

System.out.println("不能找到播放器.");

return;

}

if (player == null) {

System.out.println("無(wú)法創(chuàng)建播放器.");

return;

}

first = false;

this.setTitle(fileDialog.getFile());

// 播放器的控制事件處理

player.addControllerListener(this);

// 預(yù)讀文件內(nèi)容

player.prefetch();

}

/**

* 實(shí)現(xiàn)ControllerListener接口的方法，處理播放器的控制事件

*/

public void controllerUpdate(ControllerEvent e) {

// 調(diào)用player.close()時(shí)ControllerClosedEvent事件出現(xiàn)。

// 如果存在視覺部件，則該部件應(yīng)該拆除（為一致起見，

// 我們對(duì)控制面板部件也執(zhí)行同樣的操作）

if (e instanceof ControllerClosedEvent) {

if (vedioComponent != null) {

this.getContentPane().remove(vedioComponent);

this.vedioComponent = null;

}

if (controlComponent != null) {

this.getContentPane().remove(controlComponent);

this.controlComponent = null;

}

return;

}

// 如果是媒體文件到達(dá)尾部事件

if (e instanceof EndOfMediaEvent) {

if (loop) {

// 如果允許循環(huán)，則重新開始播放

player.setMediaTime(new Time(0));

player.start();

}

return;

}

// 如果是播放器預(yù)讀事件

if (e instanceof PrefetchCompleteEvent) {

// 啟動(dòng)播放器

player.start();

return;

}

// 如果是文件打開完全事件，則顯示視頻組件和控制器組件

if (e instanceof RealizeCompleteEvent) {

vedioComponent = player.getVisualComponent();

if (vedioComponent != null){

this.getContentPane().add(vedioComponent);

}

controlComponent = player.getControlPanelComponent();

if (controlComponent != null){

this.getContentPane().add(controlComponent, BorderLayout.SOUTH);

}

this.pack();

}

}

// 處理“循環(huán)”復(fù)選框菜單項(xiàng)的點(diǎn)擊事件

public void itemStateChanged(ItemEvent e) {

loop = !loop;

}

public static void main(String[] args){

new JMFMediaPlayer("JMF媒體播放器");

}

}

試試吧，我這里運(yùn)行正常

如何用java做一個(gè)音樂播放器？

看看其它網(wǎng)友的答案：

首先下載播放mp3的包，比如mp3spi1.9.4.jar。在工程中添加這個(gè)包。

播放器演示代碼如下

package com.test.audio;

import java.io.File;

import java.awt.BorderLayout;

import java.awt.FileDialog;

import java.awt.Frame;

import java.awt.GridLayout;

import java.awt.Label;

import java.awt.List;

import java.awt.Menu;

import java.awt.MenuBar;

import java.awt.MenuItem;

import java.awt.MenuShortcut;

import java.awt.Panel;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.KeyEvent;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.awt.event.WindowAdapter;

import java.awt.event.WindowEvent;

import javax.sound.sampled.AudioFormat;

import javax.sound.sampled.AudioInputStream;

import javax.sound.sampled.AudioSystem;

import javax.sound.sampled.DataLine;

import javax.sound.sampled.SourceDataLine;

public class MusicPlayer extends Frame {

/**

*

*/

private static final long serialVersionUID = -2605658046194599045L;

boolean isStop = true;// 控制播放線程

boolean hasStop = true;// 播放線程狀態(tài)

String filepath;// 播放文件目錄

String filename;// 播放文件名稱

AudioInputStream audioInputStream;// 文件流

AudioFormat audioFormat;// 文件格式

SourceDataLine sourceDataLine;// 輸出設(shè)備

List list;// 文件列表

Label labelfilepath;//播放目錄顯示標(biāo)簽

Label labelfilename;//播放文件顯示標(biāo)簽

public MusicPlayer() {

// 設(shè)置窗體屬性

setLayout(new BorderLayout());

setTitle("MP3 Music Player");

setSize(350, 370);

// 建立菜單欄

MenuBar menubar = new MenuBar();

Menu menufile = new Menu("File");

MenuItem menuopen = new MenuItem("Open", new MenuShortcut(KeyEvent.VK_O));

menufile.add(menuopen);

menufile.addActionListener(new ActionListener() {

public void actionPerformed(ActionEvent e) {

open();

}

});

menubar.add(menufile);

setMenuBar(menubar);

// 文件列表

list = new List(10);

list.addMouseListener(new MouseAdapter() {

public void mouseClicked(MouseEvent e) {

// 雙擊時(shí)處理

if (e.getClickCount() == 2) {

// 播放選中的文件

filename = list.getSelectedItem();

play();

}

}

});

add(list, "Center");

// 信息顯示

Panel panel = new Panel(new GridLayout(2, 1));

labelfilepath = new Label("Dir：");

labelfilename = new Label("File：");

panel.add(labelfilepath);

panel.add(labelfilename);

add(panel, "North");

// 注冊(cè)窗體關(guān)閉事件

addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent e) {

System.exit(0);

}

});

setVisible(true);

}

// 打開

private void open() {

FileDialog dialog = new FileDialog(this, "Open", 0);

dialog.setVisible(true);

filepath = dialog.getDirectory();

if (filepath != null) {

labelfilepath.setText("Dir：" + filepath);

// 顯示文件列表

list.removeAll();

File filedir = new File(filepath);

File[] filelist = filedir.listFiles();

for (File file : filelist) {

String filename = file.getName().toLowerCase();

if (filename.endsWith(".mp3") || filename.endsWith(".wav")) {

list.add(filename);

}

}

}

}

// 播放

private void play() {

try {

isStop = true;// 停止播放線程

// 等待播放線程停止

System.out.print("Start：" + filename);

while (!hasStop) {

System.out.print(".");

try {

Thread.sleep(10);

} catch (Exception e) {

}

}

System.out.println("");

File file = new File(filepath + filename);

labelfilename.setText("Playing：" + filename);

// 取得文件輸入流

audioInputStream = AudioSystem.getAudioInputStream(file);

audioFormat = audioInputStream.getFormat();

// 轉(zhuǎn)換mp3文件編碼

if (audioFormat.getEncoding() != AudioFormat.Encoding.PCM_SIGNED) {

audioFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,

audioFormat.getSampleRate(), 16, audioFormat

.getChannels(), audioFormat.getChannels() * 2,

audioFormat.getSampleRate(), false);

audioInputStream = AudioSystem.getAudioInputStream(audioFormat,

audioInputStream);

}

// 打開輸出設(shè)備

DataLine.Info dataLineInfo = new DataLine.Info(

SourceDataLine.class, audioFormat,

AudioSystem.NOT_SPECIFIED);

sourceDataLine = (SourceDataLine) AudioSystem.getLine(dataLineInfo);

sourceDataLine.open(audioFormat);

sourceDataLine.start();

// 創(chuàng)建獨(dú)立線程進(jìn)行播放

isStop = false;

Thread playThread = new Thread(new PlayThread());

playThread.start();

} catch (Exception e) {

e.printStackTrace();

}

}

class PlayThread extends Thread {

byte tempBuffer[] = new byte[320];

public void run() {

try {

int cnt;

hasStop = false;

// 讀取數(shù)據(jù)到緩存數(shù)據(jù)

while ((cnt = audioInputStream.read(tempBuffer, 0,

tempBuffer.length)) != -1) {

if (isStop)

break;

if (cnt 0) {

// 寫入緩存數(shù)據(jù)

sourceDataLine.write(tempBuffer, 0, cnt);

}

}

// Block等待臨時(shí)數(shù)據(jù)被輸出為空

sourceDataLine.drain();

sourceDataLine.close();

hasStop = true;

} catch (Exception e) {

e.printStackTrace();

System.exit(0);

}

}

}

public static void main(String args[]) {

new MusicPlayer();

}

}

java如何實(shí)現(xiàn)播放mp3

簡(jiǎn)單的實(shí)例，代碼如下，純粹JMF加載MP3并播放：

import javax.media.*;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

public class PlayerMusic implements ControllerListener {// ControllerListener

// 控制事件

private Player player;

private boolean first, loop;

private String path;

private List mp3List;

private int mp3NO = 0;

PlayerMusic(List mp3List) {

this.mp3List = mp3List;

}

public void start() {

try {

player = Manager.createPlayer(new MediaLocator("file://" + mp3List.get(mp3NO)));

} catch (NoPlayerException ex) {

ex.printStackTrace();

System.out.println("不能播放文件");

return;

} catch (IOException ex) {

ex.printStackTrace();

return;

}

if (player == null) {

System.out.println("播放器為空");

return;

}

first = false;

player.addControllerListener(this);

// 提取媒體內(nèi)容

player.prefetch();

}

public void controllerUpdate(ControllerEvent e) {

// 當(dāng)媒體播放結(jié)束時(shí),循環(huán)播放

if (e instanceof EndOfMediaEvent) {

mp3NO++;

if(mp3NOthis.mp3List.size()){

this.start();

}

return;

}

// 當(dāng)預(yù)提取媒體的內(nèi)容結(jié)束

if (e instanceof PrefetchCompleteEvent) {

player.start();

return;

}

// 當(dāng)實(shí)例化后

if (e instanceof RealizeCompleteEvent) {

// pack(); //執(zhí)行pack()操作

return;

}

}

public static void main(String[] args) {

List mp3List = new ArrayList();

mp3List.add("d://a.mp3");

mp3List.add("d://b.mp3");

mp3List.add("d://c.mp3");

PlayerMusic pm = new PlayerMusic(mp3List);

pm.start();

}

}

本文名稱：音頻播放器java代碼,java編寫視頻播放器
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