public static extern int SetDisplayRegion(int nDisplayChannel, int nRegionCount, ref REGION_PARAM pParam, int nReserved);
public static REGION_PARAM[] GetStruDisplayRegion(DISPLAY_PARA struCardPlayInfo, int regionNumber)
{
REGION_PARAM[] struDisplayRegion = new REGION_PARAM[regionNumber];
int i;
int row = (int)(Math.Sqrt(regionNumber));
var tempDisplayRegion = new REGION_PARAM[row, row];
int step = 64 / regionNumber;
int nwidth = struCardPlayInfo.nWidth / row;
int nheight = struCardPlayInfo.nHeight / row;
for (int j = 0; j < row; j++)
{
for (int k = 0; k < row; k++)
{
tempDisplayRegion[j, k].top = (uint)(nheight * k);
tempDisplayRegion[j, k].left = (uint)(nwidth * j);
tempDisplayRegion[j, k].width = (uint)(nwidth);
tempDisplayRegion[j, k].height = (uint)(nheight);
}
}
for (i = 0; i < regionNumber; i++)
{
struDisplayRegion[i] = new REGION_PARAM();
struDisplayRegion[i] = tempDisplayRegion[i % row, i / row];
struDisplayRegion[i].color = (uint)(Color.FromArgb(128, i * step, 0, 0).ToArgb());
}
return struDisplayRegion;
}
public static extern int SetDecoderVideoExtOutput(int nDisplayChannel, int nPort, bool bOpen, ref REGION_PARAM pParam, int nReserved);
public void Init(IntPtr paraHandle)
{
TotalDSP = 0;
int totalDSP = 0;
//初始化板卡
IsValid = false;
/* if (!HCNetSDK.NET_DVR_InitDDraw_Card(paraHandle, 0xffffff))
{
errMessage = "设备初始化失败";
return;
}
int m_iCardChanCount = 0;
if (!HCNetSDK.NET_DVR_InitDevice_Card(ref m_iCardChanCount))
{
errMessage = "获取卡通道数失败";
return;
}
TotalDSP = m_iCardChanCount;
if (TotalDSP == 0)
{
errMessage = "没有可用的通道！！您是否已经启动服务器端？";
return;
}*/
int nDispNum = HikVisionSDK.GetDisplayChannelCount();
if (nDispNum >= 2)
{
REGION_PARAM[] struDisplayRegion = new REGION_PARAM[MAX_DISPLAY_REGION];
int i;
for (i = 0; i < MAX_DISPLAY_REGION; i++)
{
struDisplayRegion[i] = new REGION_PARAM();
struDisplayRegion[i].color = (uint)(Color.FromArgb(i, i * 8, i * 16).ToArgb());
}
for (i = 0; i < nDispNum / 2; i++)
{
HikVisionSDK.SetDisplayStandard(2 * i, VideoStandard_t.StandardPAL);
struDisplayRegion[0].left = 0; struDisplayRegion[0].top = 0; struDisplayRegion[0].width = 352; struDisplayRegion[0].height = 240;
struDisplayRegion[1].left = 352; struDisplayRegion[1].top = 0; struDisplayRegion[1].width = 352; struDisplayRegion[1].height = 240;
struDisplayRegion[2].left = 0; struDisplayRegion[2].top = 240; struDisplayRegion[2].width = 352; struDisplayRegion[2].height = 240;
struDisplayRegion[3].left = 352; struDisplayRegion[3].top = 240; struDisplayRegion[3].width = 352; struDisplayRegion[3].height = 240;
if (HikVisionSDK.SetDisplayRegion(2 * i, 4, ref struDisplayRegion[0], 0) != HWERR_SUCCESS)
{
}
HikVisionSDK.SetDecoderVideoExtOutput(4 * i, 0, true, 2 * i, 0, 0);
HikVisionSDK.SetDecoderVideoExtOutput(4 * i + 1, 0, true, 2 * i, 1, 0);
HikVisionSDK.SetDecoderVideoExtOutput(4 * i + 2, 0, true, 2 * i, 2, 0);
HikVisionSDK.SetDecoderVideoExtOutput(4 * i + 3, 0, true, 2 * i, 3, 0);
HikVisionSDK.SetDisplayStandard(2 * i + 1, VideoStandard_t.StandardPAL);
struDisplayRegion[0].left = 0; struDisplayRegion[0].top = 0; struDisplayRegion[0].width = 704; struDisplayRegion[0].height = 480;
if (HikVisionSDK.SetDisplayRegion(2 * i + 1, 1, ref struDisplayRegion[0], 0) != HWERR_SUCCESS)
{
// AddLog(m_iCurDeviceIndex, OPERATION_FAIL_T, "SetDisplayRegion failed!");
}
HikVisionSDK.SetDecoderVideoExtOutput(4 * i, 1, true, 2 * i + 1, 0, 0);
}
}
IsValid = true;
}
