java如何自动获取大华摄像头的rtsp地址和ip
时间: 2023-05-11 07:05:47 浏览: 447
Java可以通过使用ONVIF协议来自动获取大华摄像头的rtsp地址和ip。ONVIF是一个开放的网络视频接口标准,它允许不同的设备之间进行互操作性。Java可以使用ONVIF协议来与大华摄像头进行通信,从而获取其rtsp地址和ip。具体实现方式可以参考ONVIF协议的相关文档和代码库。
相关问题
java自动获取摄像头的rtsp地址和ip
可以使用JavaCV库来实现自动获取摄像头的rtsp地址和ip,具体实现可以参考以下代码:
```
import org.bytedeco.javacv.*;
public class Camera {
public static void main(String[] args) throws Exception {
// 获取摄像头设备
FrameGrabber grabber = FrameGrabber.createDefault(0);
grabber.start();
// 获取摄像头的rtsp地址和ip
String rtspUrl = grabber.getFormat().getString("rtsp_url");
String ipAddress = grabber.getFormat().getString("ip_address");
System.out.println("rtspUrl: " + rtspUrl);
System.out.println("ipAddress: " + ipAddress);
// 释放资源
grabber.stop();
}
}
```
这段代码使用JavaCV库中的FrameGrabber类来获取摄像头设备,并通过getFormat()方法获取摄像头的rtsp地址和ip地址。注意,这段代码只能获取本地摄像头的rtsp地址和ip地址,无法获取远程摄像头的地址。
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。