接上一章：一谒臼、JAVA調(diào)用海康威視SDK實現(xiàn)攝像頭預(yù)覽
- 添加攝像頭信息輸入框
- 添加視頻控制按鈕
- 添加截圖功能
代碼：
- PreView.java
package com.kx.hcws;
import javax.swing.JFrame;
import javax.swing.JPopupMenu;
import com.kx.hcws.sdk.HCNetSDK;
import com.kx.hcws.sdk.HCNetSDKManger;
import com.kx.hcws.ui.Player;
public class PreView {
// private static String ip;
// private static String username;
// private static String password;
public static void main(String[] args) {
// 確保一個漂亮的外觀風(fēng)格
JFrame.setDefaultLookAndFeelDecorated(true);
JPopupMenu.setDefaultLightWeightPopupEnabled(false);// 防止被播放窗口(AWT組件)覆蓋
// 顯示應(yīng)用 GUI
javax.swing.SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
// 初始化阂铮康播放器
HCNetSDKManger.init();
HCNetSDK.INSTANCE.NET_DVR_Init();
HCNetSDK.INSTANCE.NET_DVR_SetConnectTime(5000, 5);
HCNetSDK.INSTANCE.NET_DVR_SetReconnect(1000, true);
/*
* IP地址：攝像頭IP地址蜈缤。 用戶名：攝像頭登錄用戶名。 密碼：攝像頭驗證碼冯挎。 攝像頭編號：可以自定義底哥。
*
* "192.168.2.18", "admin", "axjy123456", 8000, 1L
*/
new Player();
}
});
}
}
- HcPlayerPanel.java
package com.kx.hcws.ui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import com.kx.hcws.sdk.HCNetSDK;
import com.kx.hcws.sdk.HCNetSDK.FExceptionCallBack;
import com.kx.hcws.sdk.HCNetSDKManger;
import com.kx.hcws.sdk.PlayCtrl;
import com.sun.jna.Native;
import com.sun.jna.NativeLong;
import com.sun.jna.Pointer;
import com.sun.jna.examples.win32.W32API.HWND;
import com.sun.jna.ptr.IntByReference;
import com.sun.jna.ptr.NativeLongByReference;
public class HcPlayerPanel extends JPanel {
private static org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(HcPlayerPanel.class);
/**
*
*/
private static final long serialVersionUID = 1L;
// 播放控制
private static PlayCtrl playControl = PlayCtrl.INSTANCE;
private String m_sDeviceIP;
private String username;
private String password;
private int port;
private Long deviceId = 1L;
private long iChannelNum;
private boolean isplay = false;
// 用戶參數(shù)
private HCNetSDK.NET_DVR_CLIENTINFO m_strClientInfo;
// 預(yù)覽句柄
private NativeLong lPreviewHandle = new NativeLong(-1);
// 播放界面
public java.awt.Panel panelRealplay = new java.awt.Panel();
public javax.swing.JPanel jPanelRealplayArea = new javax.swing.JPanel();
// 設(shè)備指針
private NativeLongByReference devicePoint;
// 播放端口
private NativeLongByReference m_lPort = new NativeLongByReference(new NativeLong(-1));
// 異常回調(diào)
private FExceptionCallBack exceptionCallBack = new FExceptionCallBack() {
@Override
public void invoke(int dwType, NativeLong lUserID, NativeLong lHandle, Pointer pUser) {
NativeLong deviceid = pUser.getNativeLong(0);
System.out.println("預(yù)覽異常：dwType=" + dwType + ",lUserID=" + lUserID + ",lHandle=" + lHandle + ",pUser="
+ deviceid.intValue());
// EXCEPTION_EXCHANGE = 0x8000;// 用戶交互時異常
// EXCEPTION_AUDIOEXCHANGE = 0x8001;//語音對講異常
// EXCEPTION_ALARM = 0x8002;// 報警異常
// EXCEPTION_PREVIEW = 0x8003;// 網(wǎng)絡(luò)預(yù)覽異常
// EXCEPTION_SERIAL = 0x8004;// 透明通道異常
// EXCEPTION_RECONNECT = 0x8005; // 預(yù)覽時重連
// EXCEPTION_ALARMRECONNECT = 0x8006;//報警時重連
// EXCEPTION_SERIALRECONNECT = 0x8007;//透明通道重連
// EXCEPTION_PLAYBACK = 0x8010;// 回放異常
// EXCEPTION_DISKFMT = 0x8011;// 硬盤格式化
if (dwType == HCNetSDK.EXCEPTION_ALARM || dwType == HCNetSDK.EXCEPTION_RECONNECT
|| dwType == HCNetSDK.EXCEPTION_ALARMRECONNECT || dwType == HCNetSDK.EXCEPTION_SERIALRECONNECT
|| dwType == HCNetSDK.EXCEPTION_PLAYBACK || dwType == 32971 || dwType == 32776 || dwType == 32789
|| dwType == 32790 || dwType == 32791 || dwType == 32776 || dwType == 32793 || dwType == 32800
|| dwType == 32804 || dwType == 32805 || dwType == 32832 || dwType == 32833 || dwType == 32834) {
return;
}
}
};
public HcPlayerPanel() {
init();
}
/**
* 開始房官，傳入對應(yīng)參數(shù)
*
* @param m_sDeviceIP
* @param username
* @param password
* @param port
* @param deviceId
*/
public void start(String m_sDeviceIP, String username, String password, int port, Long deviceId) {
this.m_sDeviceIP = m_sDeviceIP;
this.username = username;
this.password = password;
this.port = port;
this.deviceId = deviceId;
}
/**
* 初始化組件
*/
private void init() {
panelRealplay.setBackground(Color.BLACK);
jPanelRealplayArea.setBackground(Color.BLACK);
javax.swing.GroupLayout panelRealplayLayout = new javax.swing.GroupLayout(panelRealplay);
panelRealplay.setLayout(panelRealplayLayout);
javax.swing.GroupLayout jPanelRealplayAreaLayout = new javax.swing.GroupLayout(jPanelRealplayArea);
jPanelRealplayArea.setLayout(jPanelRealplayAreaLayout);
jPanelRealplayAreaLayout.setHorizontalGroup(
jPanelRealplayAreaLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(
panelRealplay, javax.swing.GroupLayout.Alignment.TRAILING, javax.swing.GroupLayout.DEFAULT_SIZE,
javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE));
jPanelRealplayAreaLayout.setVerticalGroup(jPanelRealplayAreaLayout
.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING).addComponent(panelRealplay,
javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE));
devicePoint = new NativeLongByReference(new NativeLong(deviceId));// 設(shè)備編號
panelRealplay.setPreferredSize(new Dimension(getWidth(), getHeight()));
// 注冊異常信息
HCNetSDKManger.hCNetSDK.NET_DVR_SetExceptionCallBack_V30(0, 0, exceptionCallBack, devicePoint.getPointer());
}
/**
* 開始播放
*/
public void play() {
NativeLong lUserID = new NativeLong(-1);// 用戶句柄
if (lUserID.longValue() > -1) {// 不注銷
// 先注銷
HCNetSDKManger.hCNetSDK.NET_DVR_Logout_V30(lUserID);
lUserID = new NativeLong(-1);
}
// 注冊
HCNetSDK.NET_DVR_DEVICEINFO_V30 m_strDeviceInfo = new HCNetSDK.NET_DVR_DEVICEINFO_V30();
lUserID = HCNetSDKManger.hCNetSDK.NET_DVR_Login_V30(m_sDeviceIP, (short) port, username, password,
m_strDeviceInfo);
long userID = lUserID.longValue();
if (userID == -1) {
System.out.println(HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError());
System.out.println("設(shè)備注冊失斨夯铡：" + m_sDeviceIP + "--" + username + "--" + password + "--" + port);
JOptionPane.showMessageDialog(this, "注冊失敗");
return;
} else {
// CreateDeviceTree();
}
if (lUserID == null || lUserID.intValue() == -1) {
logger.info("注冊失敗");
return;
}
panelRealplay.setPreferredSize(new Dimension(getWidth(), getHeight()));
removeAll();
add(jPanelRealplayArea, BorderLayout.CENTER);
revalidate();
// 獲取窗口句柄
HWND hwnd = new HWND(Native.getComponentPointer(panelRealplay));
// 獲取通道號
IntByReference ibrBytesReturned = new IntByReference(0);// 獲取IP接入配置參數(shù)
boolean bRet = false;
HCNetSDK.NET_DVR_IPPARACFG m_strIpparaCfg = new HCNetSDK.NET_DVR_IPPARACFG();
m_strIpparaCfg.write();
Pointer lpIpParaConfig = m_strIpparaCfg.getPointer();
bRet = HCNetSDKManger.hCNetSDK.NET_DVR_GetDVRConfig(lUserID, HCNetSDK.NET_DVR_GET_IPPARACFG, new NativeLong(0),
lpIpParaConfig, m_strIpparaCfg.size(), ibrBytesReturned);
m_strIpparaCfg.read();
// 設(shè)備支持IP通道
String sChannelName = "";
if (!bRet) {
// 設(shè)備不支持,則表示沒有IP通道
for (int iChannum = 0; iChannum < m_strDeviceInfo.byChanNum; iChannum++) {
sChannelName = "Camera" + (iChannum + m_strDeviceInfo.byStartChan);
}
} else {
// 設(shè)備支持IP通道
for (int iChannum = 0; iChannum < m_strDeviceInfo.byChanNum; iChannum++) {
if (m_strIpparaCfg.byAnalogChanEnable[iChannum] == 1) {
sChannelName = "Camera" + (iChannum + m_strDeviceInfo.byStartChan);
}
}
for (int iChannum = 0; iChannum < HCNetSDK.MAX_IP_CHANNEL; iChannum++)
if (m_strIpparaCfg.struIPChanInfo[iChannum].byEnable == 1) {
sChannelName = "IPCamera" + (iChannum + m_strDeviceInfo.byStartChan);
}
}
iChannelNum = -1;
if (sChannelName.charAt(0) == 'C') {// Camara開頭表示模擬通道
// 子字符串中獲取通道號
iChannelNum = Integer.parseInt(sChannelName.substring(6));
} else {
if (sChannelName.charAt(0) == 'I') {// IPCamara開頭表示IP通道,子字符創(chuàng)中獲取通道號,IP通道號要加32
iChannelNum = Integer.parseInt(sChannelName.substring(8)) + 32;
} else {
logger.info("通道號獲取失敗");
return;
}
}
if (iChannelNum == -1) {
logger.info("請選擇要預(yù)覽的通道");
return;
}
m_strClientInfo = new HCNetSDK.NET_DVR_CLIENTINFO();
m_strClientInfo.lChannel = new NativeLong(iChannelNum);
m_strClientInfo.hPlayWnd = hwnd;
lPreviewHandle = HCNetSDKManger.hCNetSDK.NET_DVR_RealPlay_V30(lUserID, m_strClientInfo, null, null, true);
long previewSucValue = lPreviewHandle.longValue();
// 預(yù)覽失敗時:
if (previewSucValue == -1) {
System.out.println("預(yù)覽失敗:" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError());
return;
}
System.out.println("預(yù)覽成功！");
validate();
isplay = true;
}
/**
* 停止播放
*/
public void stop() {
logger.info("設(shè)備" + deviceId + "停止播放===================");
if (lPreviewHandle != null && lPreviewHandle.longValue() != -1) {
if (!HCNetSDKManger.hCNetSDK.NET_DVR_StopRealPlay(lPreviewHandle)) {
logger.info("設(shè)備" + deviceId + "停止播放失敗");
}
if (m_lPort.getValue().intValue() != -1) {
if (!playControl.PlayM4_Stop(m_lPort.getValue())) {
logger.info("設(shè)備" + deviceId + "停止播放失敗");
}
m_lPort.setValue(new NativeLong(-1));
}
}
panelRealplay.repaint();
isplay = false;
}
public boolean isIsplay() {
return isplay;
}
/**
* 實現(xiàn)截圖
*/
public void snapshot(String filepath) {
if (!HCNetSDKManger.hCNetSDK.NET_DVR_CapturePicture(lPreviewHandle, filepath)) {
JOptionPane.showMessageDialog(this, "設(shè)備截屏失敗:" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError());
System.out.println("設(shè)備截屏失敗:" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError());
}else{
JOptionPane.showMessageDialog(this, "截圖成功翰守！");
}
}
}
- Player.java
package com.kx.hcws.ui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.util.Date;
import javax.swing.JButton;
import javax.swing.JFileChooser;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;
public class Player extends JFrame implements WindowListener {
/**
*
*/
private static final long serialVersionUID = 1L;
private HcPlayerPanel playerPanel;
private JTextField ipField;
private JTextField usernameField;
private JPasswordField pwdField;
public Player() {
setSize(1200, 600);
setResizable(true);
setTitle("設(shè)備預(yù)覽");
setLocationRelativeTo(null);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);// 關(guān)閉窗口時關(guān)閉系統(tǒng)
getContentPane().setLayout(new BorderLayout());
playerPanel = new HcPlayerPanel();
playerPanel.setBackground(Color.BLACK);
playerPanel.setPreferredSize(new Dimension(1000, 600));
getContentPane().add(playerPanel, BorderLayout.CENTER);
initCtrlPanel();
setVisible(true);
}
private void initCtrlPanel() {
JPanel content = new JPanel();
content.setLayout(new FlowLayout());
{// IP
JLabel jLabel = new JLabel("IP：");
jLabel.setPreferredSize(new Dimension(60, 30));
jLabel.setHorizontalTextPosition(JLabel.CENTER);
jLabel.setVerticalAlignment(JLabel.CENTER);
content.add(jLabel);
ipField = new JTextField();
ipField.setPreferredSize(new Dimension(130, 30));
content.add(ipField);
}
{// 用戶名
JLabel jLabel = new JLabel("用戶名：");
jLabel.setPreferredSize(new Dimension(60, 30));
jLabel.setHorizontalTextPosition(JLabel.CENTER);
jLabel.setVerticalAlignment(JLabel.CENTER);
content.add(jLabel);
usernameField = new JTextField("admin");
usernameField.setPreferredSize(new Dimension(130, 30));
content.add(usernameField);
}
{// 密碼
JLabel jLabel = new JLabel("密碼：");
jLabel.setPreferredSize(new Dimension(60, 30));
jLabel.setHorizontalTextPosition(JLabel.CENTER);
jLabel.setVerticalAlignment(JLabel.CENTER);
content.add(jLabel);
pwdField = new JPasswordField("");
pwdField.setPreferredSize(new Dimension(130, 30));
content.add(pwdField);
}
{// 按鈕
JButton playBtn = new JButton("播放");
playBtn.setPreferredSize(new Dimension(150, 30));
playBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String m_sDeviceIP = ipField.getText();
if (m_sDeviceIP == null || "".equals(m_sDeviceIP)) {
JOptionPane.showMessageDialog(Player.this, "IP不能為空");
return;
}
String username = usernameField.getText();
if (username == null || "".equals(username)) {
JOptionPane.showMessageDialog(Player.this, "用戶名不能為空");
return;
}
String password = pwdField.getText();
if (password == null || "".equals(password)) {
JOptionPane.showMessageDialog(Player.this, "密碼不能為空");
return;
}
if (playerPanel.isIsplay()) {// 先停止
playerPanel.stop();
}
playerPanel.start(m_sDeviceIP, username, password, 8000, 1L);
new Thread(new Runnable() {
@Override
public void run() {
playerPanel.play();
}
}).start();
}
});
content.add(playBtn);
JButton imgBtn = new JButton("截圖");
imgBtn.setPreferredSize(new Dimension(150, 30));
imgBtn.addActionListener(new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
if (!playerPanel.isIsplay()) {// 先停止
JOptionPane.showMessageDialog(Player.this, "請先預(yù)覽孵奶！");
return;
}
JFileChooser filechooser = new JFileChooser();// 創(chuàng)建文件選擇器
filechooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY);
int returnVal = filechooser.showOpenDialog(Player.this);
if (returnVal == JFileChooser.APPROVE_OPTION) {
String file = filechooser.getSelectedFile().getAbsolutePath() + "\\" + new Date().getTime()
+ ".jpg";
playerPanel.snapshot(file);
}
}
});
content.add(imgBtn);
}
content.setPreferredSize(new Dimension(200, 600));
getContentPane().add(content, BorderLayout.WEST);
}
@Override
public void windowActivated(WindowEvent e) {
}
@Override
public void windowClosed(WindowEvent e) {
}
@Override
public void windowClosing(WindowEvent e) {
playerPanel.stop();
}
@Override
public void windowDeactivated(WindowEvent e) {
}
@Override
public void windowDeiconified(WindowEvent e) {
}
@Override
public void windowIconified(WindowEvent e) {
}
@Override
public void windowOpened(WindowEvent e) {
}
}
預(yù)覽：
20210702213201779.png
20210702213227612.png
20210702213253109.png
20210702213308914.png
