/// <summary>
/// 获取IP通道信息
/// </summary>
/// <param name="info">登录设备时的UseInfo对象</param>
/// <returns>通道属性对象集合</returns>
private List <ChannelState> GetIPChannelInfo(ref DvrUseInfo info)
{
NET_DVR_IPPARACFG_V40 m_struIpParaCfgV40 = new NET_DVR_IPPARACFG_V40();
NET_DVR_GET_STREAM_UNION m_unionGetStream = new NET_DVR_GET_STREAM_UNION();
NET_DVR_IPCHANINFO m_struChanInfo = new NET_DVR_IPCHANINFO();
List <ChannelState> states = new List <ChannelState>();
uint dwSize = (uint)Marshal.SizeOf(m_struIpParaCfgV40);
IntPtr ptrIpParaCfgV40 = Marshal.AllocHGlobal((Int32)dwSize);
Marshal.StructureToPtr(m_struIpParaCfgV40, ptrIpParaCfgV40, false);
uint dwReturn = 0;
if (!HikApi.NET_DVR_GetDVRConfig(info.UserId, NET_DVR_GET_IPPARACFG_V40, -1, ptrIpParaCfgV40, dwSize, ref dwReturn))
{
return(states);
}
else
{
m_struIpParaCfgV40 = (NET_DVR_IPPARACFG_V40)Marshal.PtrToStructure(ptrIpParaCfgV40, typeof(NET_DVR_IPPARACFG_V40));
byte byStreamType;
for (int i = 0; i < m_struIpParaCfgV40.dwDChanNum; i++)
{
ChannelState state = new ChannelState();
iChannelNum[i + dwAChanTotalNum] = i + (int)m_struIpParaCfgV40.dwStartDChan;
byStreamType = m_struIpParaCfgV40.struStreamMode[i].byGetStreamType;
m_unionGetStream = m_struIpParaCfgV40.struStreamMode[i].uGetStream;
switch (byStreamType)
{
//目前NVR仅支持 0- 直接从设备取流一种方式
case 0:
dwSize = (uint)Marshal.SizeOf(m_unionGetStream);
IntPtr ptrChanInfo = Marshal.AllocHGlobal((Int32)dwSize);
Marshal.StructureToPtr(m_unionGetStream, ptrChanInfo, false);
m_struChanInfo = (NET_DVR_IPCHANINFO)Marshal.PtrToStructure(ptrChanInfo, typeof(NET_DVR_IPCHANINFO));
state.Num = i + 1;
state.IsIpChannel = true;
if (m_struChanInfo.byIPID == 0)
{
state.IsNull = true; //通道空闲，没有添加前端设备
}
else
{
state.IsNull = false;
if (m_struChanInfo.byEnable == 0)
{
state.IsOnline = false; //通道不在线
}
else
{
state.IsOnline = true; //通道在线
}
}
Marshal.FreeHGlobal(ptrChanInfo);
states.Add(state);
break;
default:
break;
}
}
}
Marshal.FreeHGlobal(ptrIpParaCfgV40);
return(states);
}
public void InfoIPChannel()
{
NET_DVR_IPPARACFG_V40 m_struIpParaCfgV40 = new NET_DVR_IPPARACFG_V40();
NET_DVR_DEVICEINFO_V30 DeviceInfo = new NET_DVR_DEVICEINFO_V30();
NET_DVR_STREAM_MODE m_struStreamMode = new NET_DVR_STREAM_MODE();
NET_DVR_IPCHANINFO m_struChanInfo = new NET_DVR_IPCHANINFO();
NET_DVR_IPCHANINFO_V40 m_struChanInfoV40 = new NET_DVR_IPCHANINFO_V40();
uint dwSize = (uint)Marshal.SizeOf(m_struIpParaCfgV40);
IntPtr ptrIpParaCfgV40 = Marshal.AllocHGlobal((Int32)dwSize);
Marshal.StructureToPtr(m_struIpParaCfgV40, ptrIpParaCfgV40, false);
uint dwReturn = 0;
if (!NET_DVR_GetDVRConfig(_intDVRHwd, NET_DVR_GET_IPPARACFG_V40, 0, ptrIpParaCfgV40, dwSize, ref dwReturn))
{
}
else
{
m_struIpParaCfgV40 = (NET_DVR_IPPARACFG_V40)Marshal.PtrToStructure(ptrIpParaCfgV40, typeof(NET_DVR_IPPARACFG_V40));
for (iip = 0; iip < dwAChanTotalNum; iip++)
{
iChannelNum[iip] = iip + (int)DeviceInfo.byStartChan + 1;
//iChannelNum[iip] = iip + (int)DeviceInfo.byStartChan;
}
byte byStreamType;
for (iip = 0; iip < m_struIpParaCfgV40.dwDChanNum; iip++)
{
iChannelNum[iip + dwAChanTotalNum] = iip + (int)m_struIpParaCfgV40.dwStartDChan;
byStreamType = m_struIpParaCfgV40.struStreamMode[iip].byGetStreamType;
switch (byStreamType)
{
//目前NVR仅支持0- 直接从设备取流一种方式 NVR supports only one mode: 0- get stream from device directly
case 0:
dwSize = (uint)Marshal.SizeOf(m_struStreamMode);
IntPtr ptrChanInfo = Marshal.AllocHGlobal((Int32)dwSize);
Marshal.StructureToPtr(m_struIpParaCfgV40.struStreamMode[iip].uGetStream, ptrChanInfo, false);
m_struChanInfo = (NET_DVR_IPCHANINFO)Marshal.PtrToStructure(ptrChanInfo, typeof(NET_DVR_IPCHANINFO));
Marshal.FreeHGlobal(ptrChanInfo);
break;
case 6:
IntPtr ptrChanInfoV40 = Marshal.AllocHGlobal((Int32)dwSize);
Marshal.StructureToPtr(m_struIpParaCfgV40.struStreamMode[iip].uGetStream, ptrChanInfoV40, false);
m_struChanInfoV40 = (NET_DVR_IPCHANINFO_V40)Marshal.PtrToStructure(ptrChanInfoV40, typeof(NET_DVR_IPCHANINFO_V40));
//列出IP通道 List the IP channel
//iIPDevID[i] = m_struChanInfoV40.wIPID - iGroupNo * 64 - 1;
Marshal.FreeHGlobal(ptrChanInfoV40);
break;
default:
break;
}
}
}
}