//预览开启
private void previewOpenClick(object sender, EventArgs e)
{
if (m_lUserID >= 0)
{
if (button2.Text == @"开启预览")
{
HKSDK.NET_DVR_PREVIEWINFO lpPreviewInfo = new HKSDK.NET_DVR_PREVIEWINFO();
lpPreviewInfo.hPlayWnd = panel1.Handle; //预览窗口
lpPreviewInfo.lChannel = 1; //预te览的设备通道
lpPreviewInfo.dwStreamType = 0; //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
IntPtr pUser = new IntPtr(); //用户数据
m_lRealHandle = HKSDK.NET_DVR_RealPlay_V40(m_lUserID, ref lpPreviewInfo, null /*RealData*/, pUser);
if (m_lRealHandle < 0)
{
textBox1.AppendText("\r\n开启预览失败");
// MessageBox.Show("error " + HKSDK.NET_DVR_GetLastError());
return;
}
// savepic = new Thread(new ThreadStart(savePicThread));
m_call = new HKSDK.MSGCallBack(MsgCallback);
if (HKSDK.NET_DVR_SetDVRMessageCallBack_V30(m_call, IntPtr.Zero))
{
textBox1.AppendText("\r\n开启预览成功");
}
button2.Text = @"关闭预览";
}
else
{
HKSDK.NET_DVR_StopRealPlay(m_lRealHandle);
button2.Text = @"关闭预览";
textBox1.AppendText("\r\n关闭预览");
}
}
}
//预览开启
private void previewOpenClick(object sender, EventArgs e)
{
if (m_lUserID >= 0)
{
if (button2.Text == @"开启预览")
{
HKSDK.NET_DVR_PREVIEWINFO lpPreviewInfo = new HKSDK.NET_DVR_PREVIEWINFO();
lpPreviewInfo.hPlayWnd = panel1.Handle;//预览窗口
lpPreviewInfo.lChannel = 1;//预te览的设备通道
lpPreviewInfo.dwStreamType = 0;//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
IntPtr pUser = new IntPtr();//用户数据
m_lRealHandle = HKSDK.NET_DVR_RealPlay_V40(m_lUserID, ref lpPreviewInfo, null/*RealData*/, pUser);
if (m_lRealHandle < 0)
{
textBox1.AppendText("\r\n开启预览失败");
// MessageBox.Show("error " + HKSDK.NET_DVR_GetLastError());
return;
}
// savepic = new Thread(new ThreadStart(savePicThread));
m_call = new HKSDK.MSGCallBack(MsgCallback);
if (HKSDK.NET_DVR_SetDVRMessageCallBack_V30(m_call, IntPtr.Zero))
textBox1.AppendText("\r\n开启预览成功");
button2.Text = @"关闭预览";
}
else
{
HKSDK.NET_DVR_StopRealPlay(m_lRealHandle);
button2.Text = @"关闭预览";
textBox1.AppendText("\r\n关闭预览");
}
}
}
