大华 摄像头 sdk 主动注册 如何获取 摄像头 mac 地址
时间: 2024-10-06 10:01:29 浏览: 22
在大华( Dahua)摄像头 SDK 中,主动注册并获取摄像头 MAC 地址通常涉及到设备管理和网络配置的步骤。以下是大概的流程:
1. **初始化 SDK**:首先,你需要加载和初始化 SDK,确保已经正确地连接到摄像头并获得了权限。
2. **设备枚举**:通过 SDK 的 API,你可以扫描并列出可用的网络摄像机。这个过程会返回一个包含设备信息的列表,包括 MAC 地址。
3. **查找目标设备**:根据摄像机的品牌、型号等信息,从枚举结果中找到你要操作的具体设备。
4. **读取 MAC 地址**:找到设备后,调用相应的函数或属性来获取其 MAC 地址。在大华的 SDK 文档中,应该能找到对应的方法,如 `getMacAddress()` 或 `getNetworkInfo()`。
5. **处理结果**:获取到 MAC 地址后,可以将其存储在变量中供后续使用,比如在网络配置中。
**示例代码片段**(假设SDK提供了一个`CameraDevice`类):
```cpp
CameraDevice* device = CameraDevice::enumerateDevices()[0];
std::string macAddress = device->getMacAddress();
```
**注意**:具体的 API 可能因 SDK 版本而异,建议查阅官方文档或SDK提供的详细说明。
相关问题
大华摄像头sdk 常用java功能实现
大华摄像头SDK提供了Java版的API接口,可以通过Java编程语言来实现常用的功能。以下是一些常用的Java功能实现:
1. 初始化SDK
```java
HCNetSDK hCNetSDK = HCNetSDK.INSTANCE;
boolean initSuc = hCNetSDK.NET_DVR_Init();
if (initSuc != true) {
System.out.println("SDK初始化失败");
return;
}
```
2. 登录设备
```java
HCNetSDK.NET_DVR_DEVICEINFO_V30 deviceInfo = new HCNetSDK.NET_DVR_DEVICEINFO_V30();
int userID = hCNetSDK.NET_DVR_Login_V30(deviceIP, devicePort, username, password, deviceInfo);
if (userID < 0) {
System.out.println("登录设备失败");
return;
}
```
3. 实时预览
```java
HCNetSDK.NET_DVR_PREVIEWINFO previewInfo = new HCNetSDK.NET_DVR_PREVIEWINFO();
previewInfo.lChannel = channelNo;
previewInfo.dwStreamType = 0; // 0-主码流,1-子码流
previewInfo.dwLinkMode = 0x0000; // 0- TCP方式,0x0001 - UDP方式,
previewInfo.hPlayWnd = new NativeLong(0); // 默认为0
previewInfo.bBlocked = true; // 阻塞取流开关:0-非阻塞,1-阻塞
previewInfo.byProtoType = 0; // 应用层取流协议:0-私有协议,1-RTSP协议,2-用户自定义协议
previewInfo.byPreviewMode = 0; // 预览模式:0-正常预览,1-延迟预览
previewInfo.byStreamID[0] = 0;
NativeLong playHandle = hCNetSDK.NET_DVR_RealPlay_V40(userID, previewInfo, null);
if (playHandle.longValue() == -1) {
System.out.println("实时预览失败");
return;
}
```
4. 抓图
```java
HCNetSDK.NET_DVR_JPEGPARA jpegPara = new HCNetSDK.NET_DVR_JPEGPARA();
jpegPara.wPicSize = 0xff; // 图片尺寸:0xff-原始尺寸
jpegPara.wPicQuality = 0; // 图片质量:0-最好,1-较好,2-一般
String filePath = "D:\\capture.jpg"; // 保存路径
boolean captureSuc = hCNetSDK.NET_DVR_CaptureJPEGPicture(playHandle, channelNo, jpegPara, filePath);
if (captureSuc != true) {
System.out.println("抓图失败");
return;
}
```
5. 录像
```java
HCNetSDK.NET_DVR_TIME startTime = new HCNetSDK.NET_DVR_TIME();
HCNetSDK.NET_DVR_TIME endTime = new HCNetSDK.NET_DVR_TIME();
startTime.dwYear = 2021;
startTime.dwMonth = 7;
startTime.dwDay = 1;
startTime.dwHour = 0;
startTime.dwMinute = 0;
startTime.dwSecond = 0;
endTime.dwYear = 2021;
endTime.dwMonth = 7;
endTime.dwDay = 1;
endTime.dwHour = 1;
endTime.dwMinute = 0;
endTime.dwSecond = 0;
String filePath = "D:\\record.mp4"; // 保存路径
boolean recordSuc = hCNetSDK.NET_DVR_SaveRealData_V40(playHandle, filePath, HCNetSDK.NET_DVR_TRANSPARENT, 0);
if (recordSuc != true) {
System.out.println("录像失败");
return;
}
```
以上是一些常用的Java功能实现,仅供参考。具体的实现方式还需要根据实际需求来确定。
java获取大华摄像头的rtsp地址和ip
可以通过以下代码获取大华摄像头的rtsp地址和ip:
```java
import com.dahua.netsdk.linux.callback.fRealDataCallBackEx;
import com.dahua.netsdk.linux.structs.NET_DVR_DEVICEINFO_V30;
import com.dahua.netsdk.linux.structs.NET_DVR_PREVIEWINFO;
import com.dahua.netsdk.linux.structs.NET_DVR_STREAM_INFO;
import com.dahua.netsdk.linux.structs.NET_DVR_STREAM_MODE;
import com.sun.jna.NativeLong;
import com.sun.jna.Pointer;
import com.sun.jna.ptr.IntByReference;
public class DahuaCamera {
private static final String IP_ADDRESS = "192.168.1.64";
private static final String USERNAME = "admin";
private static final String PASSWORD = "admin123";
private static final int CHANNEL = 1;
private static final int STREAM_TYPE = 0;
private static final int CONNECT_TIMEOUT = 5000;
private static final int RECONNECT_INTERVAL = 5000;
private static final int REALPLAY_TYPE = 0;
private static final int DISPLAY_TYPE = 1;
private static final int BUFFER_SIZE = 1024 * 1024;
private static NativeLong lUserID = new NativeLong(-1);
private static NativeLong lRealPlayHandle = new NativeLong(-1);
private static fRealDataCallBackEx cbRealData = new fRealDataCallBackEx() {
@Override
public void invoke(NativeLong lRealHandle, int dwDataType, Pointer pBuffer, int dwBufSize, Pointer pUser) {
// do nothing
}
};
public static void main(String[] args) {
NET_DVR_DEVICEINFO_V30 deviceInfo = new NET_DVR_DEVICEINFO_V30();
lUserID = HCNetSDK.INSTANCE.NET_DVR_Login_V30(IP_ADDRESS, (short) 8000, USERNAME, PASSWORD, deviceInfo);
if (lUserID.longValue() == -1) {
System.out.println("Login failed: " + HCNetSDK.INSTANCE.NET_DVR_GetLastError());
return;
}
NET_DVR_PREVIEWINFO previewInfo = new NET_DVR_PREVIEWINFO();
previewInfo.lChannel = new NativeLong(CHANNEL);
previewInfo.dwStreamType = STREAM_TYPE;
previewInfo.dwLinkMode = 0;
previewInfo.bBlocked = true;
previewInfo.hHwnd = null;
NET_DVR_STREAM_INFO streamInfo = new NET_DVR_STREAM_INFO();
streamInfo.dwSize = streamInfo.size();
streamInfo.dwStreamID = new NativeLong(1);
streamInfo.dwField = 1;
streamInfo.dwChannel = new NativeLong(CHANNEL);
NET_DVR_STREAM_MODE streamMode = new NET_DVR_STREAM_MODE();
streamMode.dwSize = streamMode.size();
streamMode.byGetStreamType = 0;
streamMode.byRes1 = 0;
streamMode.byRes2 = 0;
streamMode.union = new NET_DVR_STREAM_MODE._union();
streamMode.union.getStream = streamInfo;
IntByReference error = new IntByReference();
lRealPlayHandle = HCNetSDK.INSTANCE.NET_DVR_RealPlay_V40(lUserID, previewInfo, cbRealData, null);
if (lRealPlayHandle.longValue() == -1) {
System.out.println("RealPlay failed: " + HCNetSDK.INSTANCE.NET_DVR_GetLastError());
return;
}
byte[] sOutBuffer = new byte[BUFFER_SIZE];
IntByReference pInt = new IntByReference(0);
if (!HCNetSDK.INSTANCE.NET_DVR_GetCurrentStreamURL(lRealPlayHandle, sOutBuffer, BUFFER_SIZE, pInt)) {
System.out.println("GetCurrentStreamURL failed: " + HCNetSDK.INSTANCE.NET_DVR_GetLastError());
return;
}
String rtspUrl = new String(sOutBuffer, 0, pInt.getValue());
System.out.println("RTSP URL: " + rtspUrl);
HCNetSDK.INSTANCE.NET_DVR_StopRealPlay(lRealPlayHandle);
HCNetSDK.INSTANCE.NET_DVR_Logout(lUserID);
}
}
```
其中,IP_ADDRESS、USERNAME、PASSWORD、CHANNEL、STREAM_TYPE 分别代表大华摄像头的IP地址、用户名、密码、通道号和码流类型。运行该代码后,会输出大华摄像头的RTSP地址。