接上一章：二、JAVA調(diào)用耗叶福康威視SDK實(shí)現(xiàn)攝像頭預(yù)覽完整版
本章實(shí)現(xiàn)攝像頭本地存儲(chǔ)功能芳绩。
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(gè)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() {
                // 初始化海康播放器
                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地址撞反。 用戶名：攝像頭登錄用戶名妥色。 密碼：攝像頭驗(yàn)證碼。 攝像頭編號(hào)：可以自定義遏片。
                 * 
                 * "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));
    // 異赤诤Γ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(shí)異常
            // EXCEPTION_AUDIOEXCHANGE = 0x8001;//語(yǔ)音對(duì)講異常
            // EXCEPTION_ALARM = 0x8002;// 報(bào)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(shí)重連
            // EXCEPTION_ALARMRECONNECT = 0x8006;//報(bào)警時(shí)重連
            // EXCEPTION_SERIALRECONNECT = 0x8007;//透明通道重連
            // EXCEPTION_PLAYBACK = 0x8010;// 回放異常
            // EXCEPTION_DISKFMT = 0x8011;// 硬盤(pán)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(kāi)始撮竿，傳入對(duì)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(hào)

        panelRealplay.setPreferredSize(new Dimension(getWidth(), getHeight()));

        // 注冊(cè)異常信息
        HCNetSDKManger.hCNetSDK.NET_DVR_SetExceptionCallBack_V30(0, 0, exceptionCallBack, devicePoint.getPointer());
    }

    /**
     * 開(kāi)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(cè)
        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(cè)失敗：" + m_sDeviceIP + "--" + username + "--" + password + "--" + port);
            JOptionPane.showMessageDialog(this, "注冊(cè)失敗");
            return;
        } else {
            // CreateDeviceTree();
        }

        if (lUserID == null || lUserID.intValue() == -1) {
            logger.info("注冊(cè)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(hào)

        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(méi)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(kāi)頭表示模擬通道
            // 子字符串中獲取通道號(hào)
            iChannelNum = Integer.parseInt(sChannelName.substring(6));
        } else {
            if (sChannelName.charAt(0) == 'I') {// IPCamara開(kāi)頭表示IP通道,子字符創(chuàng)中獲取通道號(hào),IP通道號(hào)要加32
                iChannelNum = Integer.parseInt(sChannelName.substring(8)) + 32;
            } else {
                logger.info("通道號(hào)獲取失敗");
                return;
            }
        }
        if (iChannelNum == -1) {
            logger.info("請(qǐng)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(shí):
        if (previewSucValue == -1) {
            System.out.println("預(yù)覽失敗:" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError());
            return;
        }
        System.out.println("預(yù)覽成功笔呀！");
        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(shí)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, "截圖成功幢踏！");
        }
    }

    public void save(String file) {

    }
}

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;

import com.kx.hcws.HCSaveProcess;

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;
    private HCSaveProcess process;

    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(shí)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(qǐng)先預(yù)覽！");
                        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);

            JButton saveBtn = new JButton("存儲(chǔ)");
            saveBtn.setPreferredSize(new Dimension(150, 30));
            saveBtn.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
                        JOptionPane.showMessageDialog(Player.this, "請(qǐng)先預(yù)覽许师！");
                        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();
                        if (process == null) {
                            process = new HCSaveProcess(m_sDeviceIP, username, password, 8000, 1L);
                        }
                        process.start(file);
                    }
                }
            });
            content.add(saveBtn);
        }

        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) {

    }
}

HCSaveProcess.java

package com.kx.hcws;

import java.io.File;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.swing.JOptionPane;

import com.kx.hcws.sdk.HCNetSDK;
import com.kx.hcws.sdk.HCNetSDK.FExceptionCallBack;
import com.kx.hcws.sdk.HCNetSDKManger;
import com.sun.jna.NativeLong;
import com.sun.jna.Pointer;
import com.sun.jna.ptr.IntByReference;
import com.sun.jna.ptr.NativeLongByReference;

/**
 * 存儲(chǔ)處理器
 * 
 * @author kxy
 *
 */
public class HCSaveProcess {
    // 日志
    private static org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(HCSaveProcess.class);
    // 是否正在存儲(chǔ)
    protected boolean issaveing = false;
    // 設(shè)備指針
    protected NativeLongByReference devicePoint;

    // 最大異常次數(shù)
    private static int ERROR_MAX_TRY_COUNT = 3;
    // 用戶參數(shù)
    private HCNetSDK.NET_DVR_CLIENTINFO m_strClientInfo;
    // 預(yù)覽指針
    private NativeLong lRealHandle = new NativeLong(-1);
    // 異常次數(shù)
    private int errorcout = 0;
    // 是否正在處理中
    private boolean isloadding = false;
    // 存儲(chǔ)文件名稱
    private String filename;
    private Long deviceId;
    private String m_sDeviceIP;
    private String username;
    private String password;
    private int port;
    private long iChannelNum;

    /**
     * 異撤坎酰回調(diào)
     */
    private static FExceptionCallBack exceptionCallBack = new FExceptionCallBack() {
        @Override
        public void invoke(int dwType, NativeLong lUserID, NativeLong lHandle, Pointer pUser) {
            NativeLong deviceid = pUser.getNativeLong(0);
            System.out.println("存儲(chǔ)異常：dwType=" + dwType + ",lUserID=" + lUserID + ",lHandle=" + lHandle + ",pUser="
                    + deviceid.intValue() + ",device=" + deviceid);
            // 0x8000 32768 用戶交互時(shí)異常（注冊(cè)心跳超時(shí)，心跳間隔為2分鐘）
            // 0x8001 32769 語(yǔ)音對(duì)講異常
            // 0x8002 32770 報(bào)警異常
            // 0x8003 32771 網(wǎng)絡(luò)預(yù)覽異常
            // 0x8004 32772 透明通道異常
            // 0x8005 32773 預(yù)覽時(shí)重連
            // 0x8006 32774 報(bào)警時(shí)重連
            // 0x8007 32775 透明通道重連
            // 0x8008 32776 透明通道重連成功
            // 0x8010 32784 回放異常
            // 0x8011 32785 硬盤(pán)格式化
            // 0x8012 32786 被動(dòng)解碼異常
            // 0x8013 32787 郵件測(cè)試異常
            // 0x8014 32788 備份異常
            // 0x8015 32789 預(yù)覽時(shí)重連成功
            // 0x8016 32790 報(bào)警時(shí)重連成功
            // 0x8017 32791 用戶交互恢復(fù)
            // 0x8018 32792 網(wǎng)絡(luò)流量檢測(cè)異常
            // 0x8019 32793 圖片預(yù)覽重連
            // 0x8020 32800 圖片預(yù)覽重連成功
            // 0x8021 32801 圖片預(yù)覽異常
            // 0x8022 32802 報(bào)警信息緩存已達(dá)上限
            // 0x8023 32803 報(bào)警丟失
            // 0x8024 32804 被動(dòng)轉(zhuǎn)碼重連
            // 0x8025 32805 被動(dòng)轉(zhuǎn)碼重連成功
            // 0x8026 32806 被動(dòng)轉(zhuǎn)碼異常
            // 0x8040 32832 用戶重登陸
            // 0x8041 32833 用戶重登陸成功
            // 0x8042 32834 被動(dòng)解碼重連
            // 0x8043 32835 集群報(bào)警異常
            // 0x8044 32836 重登陸失敗微渠，停止重登陸
            // 0x8045 32837 關(guān)閉預(yù)覽重連功能
            // 0x8046 32838 關(guān)閉報(bào)警重連功能
            // 0x8047 32839 關(guān)閉透明通道重連功能
            // 0x8048 32840 關(guān)閉回顯重連功能
            // 0x8049 32841 關(guān)閉被動(dòng)解碼重連功能
            // 0x804a 32842 關(guān)閉被動(dòng)轉(zhuǎn)碼重連功能

            // 32769 //語(yǔ)音對(duì)講異常 || 32770 //報(bào)警異常|| 32772 //透明通道異常|| 32773 預(yù)覽時(shí)重連||
            // 32774 報(bào)警時(shí)重連|| 32775 透明通道重連
            // || 32776 透明通道重連成功|| 32784 回放異常|| 32785 硬盤(pán)格式化|| 32786 被動(dòng)解碼異常||
            // 32787 郵件測(cè)試異常|| 32788 備份異常
            // || 32789 預(yù)覽時(shí)重連成功|| 32790 報(bào)警時(shí)重連成功|| 32791 用戶交互恢復(fù)|| 32792
            // 網(wǎng)絡(luò)流量檢測(cè)異常|| 32793 圖片預(yù)覽重連|| 32800 圖片預(yù)覽重連成功||
            // || 32801 圖片預(yù)覽異常|| 32802 報(bào)警信息緩存已達(dá)上限|| 32804 被動(dòng)轉(zhuǎn)碼重連|| 32805
            // 被動(dòng)轉(zhuǎn)碼重連成功|| 32806 被動(dòng)轉(zhuǎn)碼異常|| 32832 用戶重登陸
            // || 32833 用戶重登陸成功|| 32834 被動(dòng)解碼重連|| 32835 集群報(bào)警異常|| 32836
            // 重登陸失敗搭幻，停止重登陸|| 32837 關(guān)閉預(yù)覽重連功能|| 32838 關(guān)閉報(bào)警重連功能
            // || 32839 關(guān)閉透明通道重連功能|| 32840 關(guān)閉回顯重連功能|| 32841 關(guān)閉被動(dòng)解碼重連功能|| 32842
            // 關(guān)閉被動(dòng)轉(zhuǎn)碼重連功能
            if (dwType == 32769// 語(yǔ)音對(duì)講異常
                    || dwType == 32770// 報(bào)警異常
                    || dwType == 32772// 透明通道異常
                    || dwType == 32773// 預(yù)覽時(shí)重連
                    || dwType == 32774// 報(bào)警時(shí)重連
                    || dwType == 32775// 透明通道重連
                    || dwType == 32776// 透明通道重連成功
                    || dwType == 32784// 回放異常
                    || dwType == 32785// 硬盤(pán)格式化
                    || dwType == 32786// 被動(dòng)解碼異常
                    || dwType == 32787// 郵件測(cè)試異常
                    || dwType == 32788// 備份異常
                    || dwType == 32789// 預(yù)覽時(shí)重連成功
                    || dwType == 32790// 報(bào)警時(shí)重連成功
                    || dwType == 32791// 用戶交互恢復(fù)
                    || dwType == 32792// 網(wǎng)絡(luò)流量檢測(cè)異常
                    || dwType == 32793// 圖片預(yù)覽重連
                    || dwType == 32800// 圖片預(yù)覽重連成功
                    || dwType == 32801// 圖片預(yù)覽異常
                    || dwType == 32802// 報(bào)警信息緩存已達(dá)上限
                    || dwType == 32804// 被動(dòng)轉(zhuǎn)碼重連
                    || dwType == 32805// 被動(dòng)轉(zhuǎn)碼重連成功
                    || dwType == 32806// 被動(dòng)轉(zhuǎn)碼異常
                    || dwType == 32832// 用戶重登陸
                    || dwType == 32833// 用戶重登陸成功
                    || dwType == 32834// 被動(dòng)解碼重連
                    || dwType == 32835// 集群報(bào)警異常
                    || dwType == 32837// 關(guān)閉預(yù)覽重連功能
                    || dwType == 32838// 關(guān)閉報(bào)警重連功能
                    || dwType == 32839// 關(guān)閉透明通道重連功能
                    || dwType == 32840// 關(guān)閉回顯重連功能
                    || dwType == 32841// 關(guān)閉被動(dòng)解碼重連功能
                    || dwType == 32842// 關(guān)閉被動(dòng)轉(zhuǎn)碼重連功能
                    || dwType == 32971//
            ) {
                return;
            }
        }
    };

    public HCSaveProcess(String m_sDeviceIP, String username, String password, int port, Long deviceId) {
        this.deviceId = deviceId;
        this.m_sDeviceIP = m_sDeviceIP;
        this.username = username;
        this.password = password;
        this.port = port;
        devicePoint = new NativeLongByReference(new NativeLong(deviceId));
        // 注冊(cè)接收異常、重連等消息的窗口句柄或回調(diào)函數(shù)逞盆。
        HCNetSDKManger.hCNetSDK.NET_DVR_SetExceptionCallBack_V30(0, 0, exceptionCallBack, devicePoint.getPointer());
    }

    public void start(String basepath) {
        if (isloadding) {
            return;
        }
        issaveing = isloadding = true;
        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(cè)
        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(cè)失斕刺！：" + m_sDeviceIP + "--" + username + "--" + password + "--" + port);
            JOptionPane.showMessageDialog(null, "注冊(cè)失敗");
            return;
        } else {
            // CreateDeviceTree();
        }

        if (lUserID == null || lUserID.intValue() == -1) {
            logger.info("注冊(cè)失敗");
            return;
        }

        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(méi)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(kāi)頭表示模擬通道
            // 子字符串中獲取通道號(hào)
            iChannelNum = Integer.parseInt(sChannelName.substring(6));
        } else {
            if (sChannelName.charAt(0) == 'I') {// IPCamara開(kāi)頭表示IP通道,子字符創(chuàng)中獲取通道號(hào),IP通道號(hào)要加32
                iChannelNum = Integer.parseInt(sChannelName.substring(8)) + 32;
            } else {
                System.out.println("通道號(hào)獲取失敗");
                return;
            }
        }
        if (iChannelNum == -1) {
            System.out.println("請(qǐng)選擇要預(yù)覽的通道");
            return;
        }

        m_strClientInfo = new HCNetSDK.NET_DVR_CLIENTINFO();
        m_strClientInfo.lChannel = new NativeLong(iChannelNum);

        logger.info("設(shè)備" + deviceId + "啟動(dòng)拉流。");
        errorcout = 0;
        lRealHandle = HCNetSDKManger.hCNetSDK.NET_DVR_RealPlay_V30(lUserID, m_strClientInfo, null, null, false);
        // 預(yù)覽失敗纳击，如果是用戶登陸失效续扔，則重新注冊(cè)
        logger.info("設(shè)備" + deviceId + "無(wú)法拉流：" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError());
        if (lRealHandle == null || lRealHandle.longValue() == -1) {
            isloadding = issaveing = false;
            System.out.println("設(shè)備" + deviceId + "無(wú)法拉流：" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError());
            return;
        }

        // 打開(kāi)聲音，
        if (!HCNetSDKManger.hCNetSDK.NET_DVR_OpenSound(lRealHandle)) {
            System.out.println("設(shè)備" + deviceId + "--存儲(chǔ)打開(kāi)聲音失敾朗：" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError());
        } else {
            System.out.println("設(shè)備" + deviceId + "--存儲(chǔ)打開(kāi)聲音成功！");
        }

        File file = new File(basepath + "\\");
        if (!file.exists()) {
            file.mkdirs();
        }
        filename = basepath + "\\test.mp4";
        System.out.println("設(shè)備" + deviceId + "--存儲(chǔ)目錄：" + filename);

        boolean result = false;
        while (!result && errorcout < ERROR_MAX_TRY_COUNT && issaveing) {
            result = HCNetSDKManger.hCNetSDK.NET_DVR_SaveRealData(lRealHandle, filename);
            System.out.println("設(shè)備" + deviceId + "--存儲(chǔ)結(jié)果：" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError() + "--" + result);
            errorcout++;
            try {
                Thread.sleep(1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        if (!result) {
            isloadding = issaveing = false;
            System.out.println("設(shè)備" + deviceId + "存儲(chǔ)失敗刨啸。");
            System.out.println("設(shè)備" + deviceId + "關(guān)閉存儲(chǔ)播放：" + HCNetSDKManger.hCNetSDK.NET_DVR_StopRealPlay(lRealHandle));
            lRealHandle = new NativeLong(-1);
            return;
        }

        logger.info("設(shè)備" + deviceId + "開(kāi)始存儲(chǔ)……");
        isloadding = false;
        while (result && issaveing) {
            try {
                Thread.sleep(5 * 60 * 1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
        logger.info("設(shè)備" + deviceId + "存儲(chǔ)結(jié)束堡赔。");
    }

    public void stop() {
        logger.info("設(shè)備" + deviceId + "結(jié)束存儲(chǔ)。");
        if (lRealHandle != null && lRealHandle.longValue() > -1) {
            boolean result = HCNetSDKManger.hCNetSDK.NET_DVR_StopSaveRealData(lRealHandle);
            logger.info("設(shè)備" + deviceId + "停止存儲(chǔ)結(jié)果：" + HCNetSDKManger.hCNetSDK.NET_DVR_GetLastError() + "-" + result);
        }
        if (lRealHandle != null && lRealHandle.longValue() != -1) {
            HCNetSDKManger.hCNetSDK.NET_DVR_StopRealPlay(lRealHandle);
        }
        issaveing = false;
        System.gc();
    }

    public boolean isIssaveing() {
        // 檢測(cè)文件名
        if (isloadding) {
            return true;
        }
        if (filename == null || "".equals(filename)) {
            return false;
        }
        File file = new File(filename);
        if (!file.exists()) {
            return false;
        }
        Date lastUpdateTime = new Date(file.lastModified());
        if ((new Date().getTime() - lastUpdateTime.getTime()) > 5 * 60 * 60 * 1000) {// 超過(guò)5分鐘存儲(chǔ)的文件還未更新
            return false;
        }
        return true;
    }
}

預(yù)覽：

1.png

2.png

3.png