实例介绍
【实例简介】
【实例截图】恩特我太晚
【实例截图】恩特我太晚
【核心代码】
package com.jake.camera;
import java.io.*;
import java.net.URL;
import java.net.MalformedURLException;
import java.awt.*;
import javax.swing.JFileChooser;
import javax.media.*;
import javax.media.control.*;
import javax.media.protocol.*;
import javax.media.format.VideoFormat;
import javax.swing.JPanel;
import javax.swing.JLabel;
import javax.swing.JToolBar;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.WindowConstants;
import java.awt.BorderLayout;
import java.awt.event.*;
public class MainFrame extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
private JPanel centerPanel;
private JLabel fileLabel;
private JToolBar mainToolBar;
private JLabel messageLabel;
private JPanel northPanel;
private JButton recordButton;
private JPanel southPanel;
private CamDataSource dataSource;
private DataSource camSource;
private DataSource recordCamSource;
private DataSink dataSink;
private Processor processor;
private Processor recordProcessor;
private CamStateHelper playhelper;
private JFileChooser movieChooser;
public MainFrame(CamDataSource dataSource) {
this.dataSource = dataSource;
this.dataSource.setParent(this);
camSource = dataSource.cloneCamSource();
initComponents();
try{
processor = Manager.createProcessor(camSource);
}catch (IOException e) {
JOptionPane.showMessageDialog(this,
"Exception creating processor: " e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);
return;
}catch (NoProcessorException e) {
JOptionPane.showMessageDialog(this,
"Exception creating processor: " e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);
return;
}
playhelper = new CamStateHelper(processor);
if(!playhelper.configure(10000)){
JOptionPane.showMessageDialog(this,
"cannot configure processor", "Error", JOptionPane.WARNING_MESSAGE);
return;
}
checkIncoding(processor.getTrackControls());
processor.setContentDescriptor(null);
if(!playhelper.realize(10000)){
JOptionPane.showMessageDialog(this,
"cannot realize processor", "Error", JOptionPane.WARNING_MESSAGE);
return;
}
setJPEGQuality(processor, 1.0f);
processor.start();
processor.getVisualComponent().setBackground(Color.gray);
centerPanel.add(processor.getVisualComponent(), BorderLayout.CENTER);//视频面板
centerPanel.add(processor.getControlPanelComponent(), BorderLayout.SOUTH);//视频控制面板
}
//界面初始化
private void initComponents() {
northPanel = new JPanel();
messageLabel = new JLabel();
southPanel = new JPanel();
mainToolBar = new JToolBar();
recordButton = new JButton();
fileLabel = new JLabel();
centerPanel = new JPanel();
setDefaultCloseOperation(WindowConstants.EXIT_ON_CLOSE);
setTitle("本地视频");
addWindowListener(new java.awt.event.WindowAdapter() {
public void windowClosing(WindowEvent evt) {
formWindowClosing(evt);
}
});
northPanel.setLayout(new BorderLayout());
messageLabel.setText("状态：");
northPanel.add(messageLabel, BorderLayout.SOUTH);
getContentPane().add(northPanel, BorderLayout.NORTH);
southPanel.setLayout(new BorderLayout());
recordButton.setText("录制");
recordButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent evt) {
recordButtonActionPerformed(evt);
}
});
mainToolBar.add(recordButton);
fileLabel.setText("文件:");
mainToolBar.add(fileLabel);
southPanel.add(mainToolBar, BorderLayout.CENTER);
getContentPane().add(southPanel, BorderLayout.SOUTH);
centerPanel.setLayout(new BorderLayout());
getContentPane().add(centerPanel, BorderLayout.CENTER);
pack();
}
private void formWindowClosing(java.awt.event.WindowEvent evt) {
processor.close();
}
//录制当前视频
private void recordButtonActionPerformed(java.awt.event.ActionEvent evt) {
if(recordButton.getText().equals("录制")){
fileLabel.setText("文件:");
if (movieChooser == null) movieChooser = new JFileChooser();
movieChooser.setDialogType(JFileChooser.SAVE_DIALOG);
//Add a custom file filter and disable the default
//(Accept All) file filter.
movieChooser.addChoosableFileFilter(new MOVFilter());
movieChooser.setAcceptAllFileFilterUsed(false);
movieChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
int returnVal = movieChooser.showDialog(this, "录制");
if (returnVal == JFileChooser.APPROVE_OPTION) {
File file = movieChooser.getSelectedFile();
if(!file.getName().endsWith(".mov") &&!file.getName().endsWith(".MOV"))
file = new File(file.toString() ".mov");
recordToFile(file);
fileLabel.setText("文件:" file.toString());
recordButton.setText("停止");
}
}else{
stopRecording();
recordButton.setText("录制");
}
}
void setJPEGQuality(Player p, float val) {
Control cs[] = p.getControls();
QualityControl qc = null;
VideoFormat jpegFmt = new VideoFormat(VideoFormat.JPEG);
// Loop through the controls to find the Quality control for
// the JPEG encoder.
for (int i = 0; i < cs.length; i ) {
if (cs[i] instanceof QualityControl && cs[i] instanceof Owned) {
Object owner = ((Owned)cs[i]).getOwner();
// Check to see if the owner is a Codec.
// Then check for the output format.
if (owner instanceof Codec) {
Format fmts[] = ((Codec)owner).getSupportedOutputFormats(null);
for (int j = 0; j < fmts.length; j ) {
if (fmts[j].matches(jpegFmt)) {
qc = (QualityControl)cs[i];
qc.setQuality(val);
break;
}
}
}
if (qc != null) break;
}
}
}
public void checkIncoding(TrackControl track[]){
for (int i = 0; i < track.length; i ) {
Format format = track[i].getFormat();
if (track[i].isEnabled() && format instanceof VideoFormat) {
Dimension size = ((VideoFormat)format).getSize();
float frameRate = ((VideoFormat)format).getFrameRate();
int w = (size.width % 8 == 0 ? size.width :(int)(size.width / 8) * 8);
int h = (size.height % 8 == 0 ? size.height :(int)(size.height / 8) * 8);
VideoFormat jpegFormat = new VideoFormat(
VideoFormat.JPEG_RTP, new Dimension(w, h), Format.NOT_SPECIFIED, Format.byteArray, frameRate);
messageLabel.setText("状态: 视频将以" jpegFormat.toString() "播放");
}
}
}
public void recordToFile(File file){
URL movieUrl = null;
MediaLocator dest = null;
try{
movieUrl = file.toURL();
dest = new MediaLocator(movieUrl);
}catch(MalformedURLException e){
}
recordCamSource = dataSource.cloneCamSource();
try{
recordProcessor = Manager.createProcessor(recordCamSource);
}catch (IOException e) {
JOptionPane.showMessageDialog(this,
"Exception creating record processor: " e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);
return;
}catch (NoProcessorException e) {
JOptionPane.showMessageDialog(this,
"Exception creating record processor: " e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);
return;
}
playhelper = new CamStateHelper(recordProcessor);
if(!playhelper.configure(10000)){
JOptionPane.showMessageDialog(this,
"cannot configure record processor", "Error", JOptionPane.WARNING_MESSAGE);
return;
}
VideoFormat vfmt = new VideoFormat(VideoFormat.CINEPAK);
(recordProcessor.getTrackControls())[0].setFormat(vfmt);
(recordProcessor.getTrackControls())[0].setEnabled(true);
recordProcessor.setContentDescriptor(new FileTypeDescriptor(FileTypeDescriptor.QUICKTIME));
Control control = recordProcessor.getControl("javax.media.control.FrameRateControl");
if ( control != null && control instanceof javax.media.control.FrameRateControl )
((javax.media.control.FrameRateControl)control).setFrameRate(15.0f);
if(!playhelper.realize(10000)){
JOptionPane.showMessageDialog(this,
"cannot realize processor", "Error", JOptionPane.WARNING_MESSAGE);
return;
}
try {
if(recordProcessor.getDataOutput()==null){
JOptionPane.showMessageDialog(this,
"No Data Output", "Error", JOptionPane.WARNING_MESSAGE);
return;
}
dataSink = Manager.createDataSink(recordProcessor.getDataOutput(), dest);
recordProcessor.start();
dataSink.open();
dataSink.start();
} catch (NoDataSinkException ex) {
JOptionPane.showMessageDialog(this,
"No DataSink " ex.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);
} catch (IOException ex) {
JOptionPane.showMessageDialog(this,
"IOException " ex.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);
}
}
public void stopRecording(){
try {
recordProcessor.close();
dataSink.stop();
dataSink.close();
} catch (IOException e) {
JOptionPane.showMessageDialog(this,
"cannot stop recording " e.getMessage(), "Error", JOptionPane.WARNING_MESSAGE);
}
}
}
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