How to make multi thread for live CAM

[giangkieuduc]

I have two camera and i want to start CAM1 and CAM2 with two threads
`Thread threadCam1 = new Thread(new ThreadStart(ConnectToCam1));
threadCam1.Start();
Thread threadCam2 = new Thread(new ThreadStart(ConnectToCam2));
threadCam2.Start();
private void ConnectToCam1()
{
try
{

            if (string.IsNullOrEmpty(_cam1Setting.IPCAM))
            {
                         return;
            }

            string cam1URL = "";
            cam1URL = string.Format("rtsp://{0}:{1}@{2}", _cam1Setting.UIDCAM, _cam1Setting.PASSCAM, _cam1Setting.IPCAM);
            uriCAM1 = new Uri(cam1URL);
            liveCAM1.StartPlay(uriCAM1, TimeSpan.FromSeconds(15.0));

        }
        catch 
        {

        }
    }

// ConnectToCam2 is the same
`
but it fired exception Message = "Cross-thread operation not valid: Control 'liveCAM2' accessed from a thread other than the thread it was created on."

How to fix this problem?

Pls help me
Thanks you!

[jacobbo]

Hi there,

Two options:

1. Do not use threads.
2. Access the control from the thread you've created it in. That is a common issue, you can google it.

Regards,
Alexander

On Thu 28 Jul 2016 at 08:56 JKing notifications@github.com wrote:

I have two camera and i want to start CAM1 and CAM2 with two threads
`Thread threadCam1 = new Thread(new ThreadStart(ConnectToCam1));
threadCam1.Start();
Thread threadCam2 = new Thread(new ThreadStart(ConnectToCam2));
threadCam2.Start();
private void ConnectToCam1()
{
try
{

        if (string.IsNullOrEmpty(_cam1Setting.IPCAM))
        {
                     return;
        }

        string cam1URL = "";
        cam1URL = string.Format("rtsp://{0}:{1}@{2}", _cam1Setting.UIDCAM, _cam1Setting.PASSCAM, _cam1Setting.IPCAM);
        uriCAM1 = new Uri(cam1URL);
        liveCAM1.StartPlay(uriCAM1, TimeSpan.FromSeconds(15.0));

    }
    catch
    {

    }
}

// ConnectToCam2 is the same
`
but it fired exception Message = "Cross-thread operation not valid:
Control 'liveCAM2' accessed from a thread other than the thread it was
created on."

How to fix this problem?

Pls help me
Thanks you!

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