ViscomSoft Software

VS2019 VC++ - How to use VideoCap Pro SDK ActiveX

Step 1: Install the VideoCap Pro SDK ActiveX, begin by launching the setup file (https://www.viscomsoft.com/demo/videocapprosetup.exe). Select the desired installation folder for the VideoCap Pro SDK ActiveX and continue with the installation on your development computer.

Step 2: Create New C++ MFC App, select Next button.

Step 3: Enter your project name and select project location, select Next button.

Step 4: Select Dialog based in Application type ,  select Next button.

Step 5: Select Solution Explorer, double click MFCApplication1.rc

Step 6: double click IDD_MFCAPPLICATION1_DIALOG in Dialog, then open the UI.  In Toolbox, Right Click Mouse and select Choose Item...

 

Step 7: Select COM Components Tab, select VideoCap Pro Control, click OK button to confirm.

Step 8: Now you will see the VideoCap Pro's icon on toolbox, drag it to form.

Step 9: In Windows explorer, copy all files from C:Program Files (x86)VideoCap Pro ActiveX ControlVS2019VC-VideoCapProClass folder to your project folder.

Step 10: In Solution Explorer, select  Header Files folder, then add videocap.h



Step 11: In Solution Explorer, select  Source Files folder, then add videocap.cpp

Step 12: add #include "videocap.h"  and CVideoCap  m_VideoCap in MFCApplication1Dlg.h

Step 13: add DDX_Control(pDX, IDC_VIDEOCAPCTRL1,m_VideoCap);
to DoDataExchange method in MFCApplication1Dlg.cpp

Step 14: add button on form and remove another button

m_VideoCap.Start();

Step 16:  double click IDD_MFCAPPLICATION1_DIALOG in Dialog, add two combo box on form.
set Combo Box Type property to Drop List and set Sort property to False

 

Step 17:  In Solution Explorer, select  Header Files folder, then add devices.h, videoformats.h

Step 18:  In Solution Explorer, select Source Files folder, then add devices.cpp, videoformats.cpp

#include "videoformats.h"

Step 20:  double click  IDD_MFCAPPLICATION1_DIALOG in Resource View, select Video Device combo box, right click mouse, select Class Wizard...

Step 21:  select Member Variables tab, make sure selected IDC_CBOVIDEODEVICE, click Add Variable..., enter m_CboVideoDevice in Name field, then click Finish button.

 

Step 22:   make sure selected IDC_CBOVIDEOFORMAT, click Add Variable...

Step 23:  enter m_CboVideoFormat in Name field, then click Finish button.

Step 24:  In Class Wizard, select Virutal Functions tab, select OnInitDialog, click Add Function, then click Edit code.

m_CboVideoFormat.SetCurSel(0);

Step 27:  update the following code  of Preview button click handler

int iDeviceIndex = m_CboVideoDevice.GetCurSel();

int iVideoFormatIndex = m_CboVideoFormat.GetCurSel();

if (iDeviceIndex != -1)

m_VideoCap.SetDevice(iDeviceIndex);

if (iVideoFormatIndex != -1)

m_VideoCap.SetVideoFormat(iVideoFormatIndex);

m_VideoCap.Start();

Step 28:  In Class Wizard, selected IDC_VIDEODEVICE, selected CBN_SELCHANGE, click Add Handler... , then click Edit Code, add the followint code , it can refresh the video format combo box when you changed the video device combo box item.

int iVideoFormatCount = m_CboVideoFormat.GetCount();

for (int i = 0; i < iVideoFormatCount; i )

m_CboVideoFormat.DeleteString(0);

m_VideoCap.RefreshVideoDevice(m_CboDevice.GetCurSel());

iVideoFormatCount = m_VideoCap.GetVideoFormats().GetCount();

CString strVideoFormat;

for (int i = 0; i < iVideoFormatCount; i )

{

strVideoFormat = m_VideoCap.GetVideoFormats().FindVideoFormatName(i);

m_CboVideoFormat.AddString(strVideoFormat);

}

if (m_CboVideoFormat.GetCount() > 0)

m_CboVideoFormat.SetCurSel(0);

Step 29:  Finally you can run the project. Preview the video from video device.

 


Step 30:  Download this project sample source code. Select compile in X86.