海康SDK集成，PTZ控制
@ApiOperation(value = "设置海康摄像头PTZ参数", notes = "设置海康摄像头PTZ参数")
@Log(action = "设置海康摄像头PTZ参数", tag = "/setHKCameraPTZValue")
@WebMapping("/setHKCameraPTZValue")
public JSONObject setHKCameraPTZvalue(String ip,String username,String password,int iPort,Integer wTiltPos,Integer wPanPos,Integer wZoomPos,Integer direction){
NativeLong lUserID = new NativeLong(-1);;//用户句柄
boolean initSuc = hCNetSDK.NET_DVR_Init();//设备初始化
lUserID = hCNetSDK.NET_DVR_Login_V30(ip, (short) iPort,username,password, null);//登陆
HCNetSDK.NET_DVR_PTZPOS m_ptzPosCurrent = new HCNetSDK.NET_DVR_PTZPOS();
IntByReference ibrBytesReturned = new IntByReference(0);
Pointer pioint = m_ptzPosCurrent.getPointer();
hCNetSDK.NET_DVR_GetDVRConfig(lUserID, HCNetSDK.NET_DVR_GET_PTZPOS,new NativeLong(0),pioint,m_ptzPosCurrent.size(),ibrBytesReturned);
m_ptzPosCurrent.read();
System.out.println("PTZ垂直参数为: "+m_ptzPosCurrent.wTiltPos);
System.out.println("PTZ水平参数为: "+m_ptzPosCurrent.wPanPos);
System.out.println("PTZ变倍参数为: "+m_ptzPosCurrent.wZoomPos);
HCNetSDK.NET_DVR_PTZSCOPE poe = new HCNetSDK.NET_DVR_PTZSCOPE();
IntByReference ibrBytesReturned1 = new IntByReference(0);
hCNetSDK.NET_DVR_GetDVRConfig(lUserID, HCNetSDK.NET_DVR_GET_PTZSCOPE,new NativeLong(0),poe.getPointer(),poe.size(),ibrBytesReturned1);
poe.read();
if(direction == direction_up){
//向上
int wTiltPosNew = Integer.valueOf(Integer.toHexString(m_ptzPosCurrent.wTiltPos)) - (wTiltPos);
wTiltPosNew = Integer.parseInt((String.valueOf(wTiltPosNew)),16);
if(wTiltPosNew < 0){
m_ptzPosCurrent.wTiltPos = 0;
}else{
m_ptzPosCurrent.wTiltPos = (short)wTiltPosNew;
}
}else if(direction == direction_down){
//向下
int wTiltPosNew = Integer.valueOf(Integer.toHexString(m_ptzPosCurrent.wTiltPos)) + (wTiltPos);
wTiltPosNew = Integer.parseInt((String.valueOf(wTiltPosNew)),16);
if(wTiltPosNew > poe.wTiltPosMin){
m_ptzPosCurrent.wTiltPos = poe.wTiltPosMin;
}else{
m_ptzPosCurrent.wTiltPos = (short)wTiltPosNew;
}
}else if(direction == direction_left){
//向左
int wPanPosNew = Integer.valueOf(Integer.toHexString(m_ptzPosCurrent.wPanPos)) - (wPanPos);
wPanPosNew = Integer.parseInt((String.valueOf(wPanPosNew)),16);
if(wPanPosNew < poe.wPanPosMin){
m_ptzPosCurrent.wPanPos = poe.wPanPosMin;
}else{
m_ptzPosCurrent.wPanPos=(short)wPanPosNew;
}
}else if(direction == direction_right){
//向右
int wPanPosNew = Integer.valueOf(Integer.toHexString(m_ptzPosCurrent.wPanPos)) + (wPanPos);
wPanPosNew = Integer.parseInt((String.valueOf(wPanPosNew)),16);
if(wPanPosNew > poe.wPanPosMax){
m_ptzPosCurrent.wPanPos = poe.wPanPosMax;
}else{
m_ptzPosCurrent.wPanPos=(short)wPanPosNew;
}
}else if(direction == direction_enlarge){
//放大
int wZoomPosNew = Integer.valueOf(Integer.toHexString(m_ptzPosCurrent.wZoomPos)) + (wZoomPos);
wZoomPosNew = Integer.parseInt((String.valueOf(wZoomPosNew)),16);
if(wZoomPosNew > poe.wZoomPosMax){
m_ptzPosCurrent.wZoomPos=poe.wZoomPosMax;
}else{
m_ptzPosCurrent.wZoomPos=(short)wZoomPosNew;
}
}else if(direction == direction_narrow){
//缩小
int wZoomPosNew = Integer.valueOf(Integer.toHexString(m_ptzPosCurrent.wZoomPos)) - (wZoomPos);
wZoomPosNew = Integer.parseInt((String.valueOf(wZoomPosNew)),16);
if(wZoomPosNew < poe.wZoomPosMin){
m_ptzPosCurrent.wZoomPos=poe.wZoomPosMin;
}else{
m_ptzPosCurrent.wZoomPos=(short)wZoomPosNew;
}
}
m_ptzPosCurrent.write();
JSONObject current = new JSONObject();
current.put("wZoomPos",Integer.toHexString(m_ptzPosCurrent.wZoomPos));
current.put("wPanPos",Integer.toHexString(m_ptzPosCurrent.wPanPos));
current.put("wTiltPos",Integer.toHexString(m_ptzPosCurrent.wTiltPos));
hCNetSDK.NET_DVR_Init();
hCNetSDK.NET_DVR_SetDVRConfig(lUserID, HCNetSDK.NET_DVR_SET_PTZPOS, new NativeLong(0), m_ptzPosCurrent.getPointer(),m_ptzPosCurrent.size());
hCNetSDK.NET_DVR_GetLastError();
JSONObject result = new JSONObject();;
if(hCNetSDK.NET_DVR_GetLastError() == 0){
result.put("result","设置成功");
result.put("data",current);
}else{
result.put("result","设置失败");
result.put("data","");
}
hCNetSDK.NET_DVR_Cleanup();
return result;
}
实际显示的PTZ值是获取到的十六进制值的十分之一，如获取的水平参数P的值是0x1750，实际显示的P值为175度；获取到的垂直参数T的值是0x0789，实际显示的T值为78.9度；获取到的变倍参数Z的值是0x1100，实际显示的Z值为110倍。