private void btnPrivate_Click(object sender, EventArgs e)
{
int iPort = CHCNetSDK.NET_DVR_GetRealPlayerIndex(m_lRealHandle);
if (iPort > -1)
{
if (!PlayCtrl.PlayM4_RenderPrivateData(iPort, 0x20, true))
{
iLastErr = PlayCtrl.PlayM4_GetLastError(iPort);
str = "PlayM4_RenderPrivateData failed, error code= " + iLastErr;
DebugInfo(str);
}
if (!PlayCtrl.PlayM4_RenderPrivateDataEx(iPort, 0x00000020, 0x00000001 + 0x00000002 + 0x00000004, true))
{
iLastErr = PlayCtrl.PlayM4_GetLastError(iPort);
str = "PlayM4_RenderPrivateDataEx failed, error code= " + iLastErr;
DebugInfo(str);
}
if (!PlayCtrl.PlayM4_SetOverlayPriInfoFlag(iPort, 0x20, true))
{
iLastErr = PlayCtrl.PlayM4_GetLastError(iPort);
str = "PlayM4_SetOverlayPriInfoFlag failed, error code= " + iLastErr;
DebugInfo(str);
}
}
}
/// <summary>
/// 实时预览
/// </summary>
/// <param name="RealPlayWnd">窗口PictureBox控件</param>
/// <param name="index">预览的设备通道</param>
/// <param name="StreamType">码流类型，默认为子码流1，主码流的代码为0</param>
public void Preview(System.Windows.Forms.PictureBox RealPlayWnd, int index, uint StreamType = 1)
{
if (m_lUserID < 0)
{
throw new VideoPlayerException("Please login the device firstly!");
}
if (m_lRealHandle[index] < 0)
{
CHCNetSDK.NET_DVR_PREVIEWINFO lpPreviewInfo = new CHCNetSDK.NET_DVR_PREVIEWINFO();
lpPreviewInfo.hPlayWnd = RealPlayWnd.Handle; //预览窗口 live view window
lpPreviewInfo.lChannel = iChannelNum[index]; //预览的设备通道 the device channel number
lpPreviewInfo.dwStreamType = StreamType; //码流类型：0-主码流，1-子码流，2-码流3，3-码流4，以此类推
lpPreviewInfo.dwLinkMode = 0; //连接方式：0- TCP方式，1- UDP方式，2- 多播方式，3- RTP方式，4-RTP/RTSP，5-RSTP/HTTP
lpPreviewInfo.bBlocked = true; //0- 非阻塞取流，1- 阻塞取流
lpPreviewInfo.dwDisplayBufNum = 1; //播放库显示缓冲区最大帧数
IntPtr pUser = IntPtr.Zero; //用户数据 user data
//打开预览 Start live view
m_lRealHandle[index] = CHCNetSDK.NET_DVR_RealPlay_V40(m_lUserID, ref lpPreviewInfo, null /*RealData*/, pUser);
if (m_lRealHandle[index] < 0)
{
iLastErr = CHCNetSDK.NET_DVR_GetLastError();
str = "NET_DVR_RealPlay_V40 failed, error code= " + iLastErr; //预览失败，输出错误号 failed to start live view, and output the error code.
throw new VideoPlayerException(str);
}
else
{
PlayCtrl.PlayM4_RenderPrivateData(CHCNetSDK.NET_DVR_GetRealPlayerIndex(m_lRealHandle[index]), (int)PlayCtrl.PLAYM4_PRIDATA_RENDER.PLAYM4_RENDER_ANA_INTEL_DATA, false);
PlayCtrl.PlayM4_RenderPrivateData(CHCNetSDK.NET_DVR_GetRealPlayerIndex(m_lRealHandle[index]), (int)PlayCtrl.PLAYM4_PRIDATA_RENDER.PLAYM4_RENDER_MD, false);
PlayCtrl.PlayM4_RenderPrivateData(CHCNetSDK.NET_DVR_GetRealPlayerIndex(m_lRealHandle[index]), (int)PlayCtrl.PLAYM4_PRIDATA_RENDER.PLAYM4_RENDER_FIRE_DETCET, false);
PlayCtrl.PlayM4_RenderPrivateData(CHCNetSDK.NET_DVR_GetRealPlayerIndex(m_lRealHandle[index]), (int)PlayCtrl.PLAYM4_PRIDATA_RENDER.PLAYM4_RENDER_ADD_PIC, false);
PlayCtrl.PlayM4_RenderPrivateData(CHCNetSDK.NET_DVR_GetRealPlayerIndex(m_lRealHandle[index]), (int)PlayCtrl.PLAYM4_PRIDATA_RENDER.PLAYM4_RENDER_TEM, false);
PlayCtrl.PlayM4_RenderPrivateData(CHCNetSDK.NET_DVR_GetRealPlayerIndex(m_lRealHandle[index]), (int)PlayCtrl.PLAYM4_PRIDATA_RENDER.PLAYM4_RENDER_ADD_POS, false);
}
}
}