/// <summary>
/// 设置输出口位置
/// </summary>
/// <param name="info">窗口操作信息</param>
/// <returns>TRUE：成功 FALSE：失败</returns>
public static bool SetWallDisplayPosition(WinCtrlInfo info)
{
NET_DVR_VIDEOWALLDISPLAYPOSITION m_struWallPositionCfg = new NET_DVR_VIDEOWALLDISPLAYPOSITION();
uint m_dwDeviceNo = (info.DeviceNo & 0xff) << 24;
uint m_dwRes = (0 & 0xff) << 16;
uint m_dwOutputNo = info.OutNo & 0xff;
//显示输出号(组合)：1字节设备号+1字节保留+2字节显示输出号
uint m_dwOutputChan = m_dwDeviceNo + m_dwRes + m_dwOutputNo;
IntPtr lpInBuffer = Marshal.AllocHGlobal(4);
Marshal.StructureToPtr(m_dwOutputChan, lpInBuffer, false);
UInt32 dwStatusList = 0;
IntPtr lpStatusList = Marshal.AllocHGlobal(4);
Marshal.StructureToPtr(dwStatusList, lpStatusList, false);
//显示输出口参数
m_struWallPositionCfg.byEnable = info.IsEnable;
m_struWallPositionCfg.dwVideoWallNo = 1 << 24; //1字节墙号+ 1字节(保留或子窗口)+ 2字节(窗口号)，目前设备只支持一个电视墙
m_struWallPositionCfg.dwDisplayNo = m_dwOutputChan;
m_struWallPositionCfg.struRectCfg.dwXCoordinate = (ushort)(info.IndexX * winBaseX);
m_struWallPositionCfg.struRectCfg.dwYCoordinate = (ushort)(info.IndexY * winBaseY);
Int32 dwInParamBufferSize = Marshal.SizeOf(m_struWallPositionCfg);
IntPtr ptrWallPositionCfg = Marshal.AllocHGlobal(dwInParamBufferSize);
Marshal.StructureToPtr(m_struWallPositionCfg, ptrWallPositionCfg, false);
bool b = NET_DVR_SetDeviceConfig(info.UserId, NET_DVR_SET_VIDEOWALLDISPLAYPOSITION, 1, lpInBuffer, 4, lpStatusList, ptrWallPositionCfg, (UInt32)dwInParamBufferSize);
Marshal.FreeHGlobal(lpInBuffer);
Marshal.FreeHGlobal(lpStatusList);
Marshal.FreeHGlobal(ptrWallPositionCfg);
if (b)
{
iLastErr = NET_DVR_GetLastError();
strErr = "NET_DVR_SET_VIDEOWALLDISPLAYPOSITION failed, error code= " + iLastErr;
//设置电视墙屏幕参数失败，输出错误号 Failed to set the wall parameters of device and output the error code
return(false);
}
else
{
return(true);
}
}
/// <summary>
/// 获取电视墙输出位置
/// </summary>
/// <param name="info">窗口操作信息</param>
/// <param name="struWallPositionCfg">电视墙输出位置参数</param>
/// <returns>TRUE：成功 FALSE：失败</returns>
public static bool GetWallDisplayPosition(ref WinCtrlInfo info, ref NET_DVR_VIDEOWALLDISPLAYPOSITION struWallPositionCfg)
{
uint m_dwDeviceNo = (info.DeviceNo & 0xff) << 24;
uint m_dwRes = (0 & 0xff) << 16;
uint m_dwOutputNo = info.WinNo & 0xff;
//显示输出号(组合)：1字节设备号+1字节保留+2字节显示输出号
uint m_dwOutputChan = m_dwDeviceNo + m_dwRes + m_dwOutputNo;
IntPtr lpInBuffer = Marshal.AllocHGlobal(4);
Marshal.StructureToPtr(m_dwOutputChan, lpInBuffer, false);
UInt32 dwStatusList = 0;
IntPtr lpStatusList = Marshal.AllocHGlobal(4);
Marshal.StructureToPtr(dwStatusList, lpStatusList, false);
Int32 dwOutBufferSize = Marshal.SizeOf(struWallPositionCfg);
IntPtr ptrWallPositionCfg = Marshal.AllocHGlobal(dwOutBufferSize);
Marshal.StructureToPtr(struWallPositionCfg, ptrWallPositionCfg, false);
bool b = NET_DVR_GetDeviceConfig(info.UserId, NET_DVR_GET_VIDEOWALLDISPLAYPOSITION, 1, lpInBuffer, 4, lpStatusList, ptrWallPositionCfg, (UInt32)dwOutBufferSize);
//每次获取一个显示输出口位置参数
if (!b)
{
iLastErr = NET_DVR_GetLastError();
strErr = "NET_DVR_GET_VIDEOWALLDISPLAYPOSITION failed, error code= " + iLastErr;
//获取电视墙屏幕参数失败，输出错误号 Failed to get the wall parameters of device and output the error code
}
else
{
struWallPositionCfg = (NET_DVR_VIDEOWALLDISPLAYPOSITION)Marshal.PtrToStructure(ptrWallPositionCfg, typeof(NET_DVR_VIDEOWALLDISPLAYPOSITION));
info.IndexX = (ushort)(struWallPositionCfg.struRectCfg.dwXCoordinate / winBaseX);
info.IndexY = (ushort)(struWallPositionCfg.struRectCfg.dwYCoordinate / winBaseY);
}
Marshal.FreeHGlobal(lpInBuffer);
Marshal.FreeHGlobal(lpStatusList);
Marshal.FreeHGlobal(ptrWallPositionCfg);
return(b);
}
/// <summary>
/// 获取输出口信息
/// </summary>
/// <param name="userId">用户id</param>
/// <param name="info">输出输出口信息列表</param>
/// <returns>TRUE：成功 FALSE：失败</returns>
public static bool GetDisplayInfo(int userId, ref List <DisplayInfo> info)
{
info = new List <DisplayInfo>();
/////////////////////////////////////////////////////////////////////////////////////
//批量获取显示输出口位置配置
uint uDisplayCount = 0;
Int32 nWallDisplaySize = Marshal.SizeOf(typeof(NET_DVR_VIDEOWALLDISPLAYPOSITION));
int outBufSize = 4 + 512 * (int)nWallDisplaySize;
byte[] pTemp = new byte[outBufSize];
IntPtr lpOutBuf = Marshal.AllocHGlobal(outBufSize);
Marshal.Copy(pTemp, 0, lpOutBuf, outBufSize);
//每次获取一个显示输出口位置参数
if (!NET_DVR_GetDeviceConfig(userId, NET_DVR_GET_VIDEOWALLDISPLAYPOSITION, 0xffffffff, IntPtr.Zero, 0, IntPtr.Zero, lpOutBuf, (UInt32)outBufSize))
{
iLastErr = NET_DVR_GetLastError();
strErr = "NET_DVR_GET_VIDEOWALLDISPLAYPOSITION failed, error code= " + iLastErr;
//获取电视墙屏幕参数失败，输出错误号 Failed to get the wall parameters of device and output the error code
return(false);
}
else
{
Marshal.Copy(lpOutBuf, pTemp, 0, (int)outBufSize);
uDisplayCount = ((uint)pTemp[0] & 0xff)
| (((uint)pTemp[1] << 8) & 0xff00)
| (((uint)pTemp[2] << 16) & 0xff0000)
| (((uint)pTemp[3] << 24) & 0xff000000);
}
NET_DVR_VIDEOWALLDISPLAYPOSITION[] arrstruWallPos = new NET_DVR_VIDEOWALLDISPLAYPOSITION[uDisplayCount];
for (int i = 0; i < uDisplayCount; i++)
{
arrstruWallPos[i] = new NET_DVR_VIDEOWALLDISPLAYPOSITION();
arrstruWallPos[i] = (NET_DVR_VIDEOWALLDISPLAYPOSITION)Marshal.PtrToStructure((IntPtr)((Int32)lpOutBuf + i * nWallDisplaySize + 4), typeof(NET_DVR_VIDEOWALLDISPLAYPOSITION));
}
Marshal.FreeHGlobal(lpOutBuf);
//////////////////////////////////////////////
NET_DVR_DISPLAYCFG m_struDispNoCfg = new NET_DVR_DISPLAYCFG();
//获取显示输出口号信息
Int32 nSize = Marshal.SizeOf(m_struDispNoCfg);
IntPtr lpOutBuffer = Marshal.AllocHGlobal(nSize);
Marshal.StructureToPtr(m_struDispNoCfg, lpOutBuffer, false);
UInt32 dwReturn = 0;
if (!NET_DVR_GetDVRConfig(userId, NET_DVR_GET_VIDEOWALLDISPLAYNO, 0, lpOutBuffer, (UInt32)nSize, ref dwReturn))
{
iLastErr = NET_DVR_GetLastError();
strErr = "NET_DVR_WALLWINPARAM_GET failed, error code= " + iLastErr;
//获取窗口相关参数失败，输出错误号 Failed to get the window parameters of device and output the error code
return(false);
}
else
{
m_struDispNoCfg = (NET_DVR_DISPLAYCFG)Marshal.PtrToStructure(lpOutBuffer, typeof(NET_DVR_DISPLAYCFG));
}
Marshal.FreeHGlobal(lpOutBuffer);
//////////////////////////////////////////
//添加显示输出口信息到列表里面
for (int i = 0; i < uDisplayCount; i++)
{
uint dwDisplayNo = m_struDispNoCfg.struDisplayParam[i].dwDisplayNo;
if (dwDisplayNo > 0)
{
string displayno = Convert.ToString(dwDisplayNo);
string displaynoCom = Convert.ToString(dwDisplayNo >> 24) + "_" + Convert.ToString((dwDisplayNo >> 16) & 0xff) + "_" + Convert.ToString(dwDisplayNo & 0xffff); //显示输出口号组合方式显示
string DisplayType = "";
switch (m_struDispNoCfg.struDisplayParam[i].byDispChanType)
{
case 1:
DisplayType = "BNC";
break;
case 2:
DisplayType = "VGA";
break;
case 3:
DisplayType = "HDMI";
break;
case 4:
DisplayType = "DVI";
break;
case 0xff:
DisplayType = "无效";
break;
default:
DisplayType = "";
break;
}
string enabled = Convert.ToString(arrstruWallPos[i].byEnable);
string xCoordinate = Convert.ToString(arrstruWallPos[i].struRectCfg.dwXCoordinate);
string yCoordinate = Convert.ToString(arrstruWallPos[i].struRectCfg.dwYCoordinate);
info.Add(new DisplayInfo()
{
Displayno = displayno, DisplaynoCom = displaynoCom, XCoordinate = xCoordinate, YCoordinate = yCoordinate, Enabled = enabled, DisplayType = DisplayType
}); //获取的显示输出口信息
}
}
return(true);
}
