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Tuesday, 27 September 2011

Video Recorder Or Video Capture With Borland Delphi Through Video Grabber (Share Ware Version)

Video Recorder Or Video Capture With Borland Delphi Through Video Grabber (Share Ware Version)
Video grabber component have function as video recorder, with the source of the video is web camera. Besides, this component have function as Audio recording, motion detection, text over lay, picture over lay, video rotation, and etc.
This article will tell you how to make video recorder application with Delphi through video grabber component.
Please Insert this Following Component to the design form

No Component Name Properties Value
1 Button1 Caption Record
2 Button2 Caption Stop Record
3 Button3 Caption Preview
4 Button4 Caption Stop Preview
5 VideoGrabber1 Name VideoGrabberSrc1
6 ComboBox1 Text Camera Device
7 Label1 Choose Camera
8 CheckBox1 - -
9 Edit1 Text FileName

 
Then Arrange the application design like the picture bellow :



Video Recorder Or Video Capture With Borland Delphi design Form

Type this following source code:

No
Component Event Source Code
1 Form1 OnCreate cboVideoDevices1.items.add(   VideoGrabberSrc1.VideoDevice);
VideoGrabberSrc1.Display_AutoSize := False;
2 cboVideoDevices1 OnChange    VideoGrabberSrc1.VideoDevice :=CboVideoDevices1.ItemIndex ;
3 Button1 OnClick    if CheckBox1.Checked then begin
VideoGrabberSrc1.RecordingFileName := Edit1.Text;
end
else begin
VideoGrabberSrc1.RecordingFileName := '';
4 Button2 OnClick   VideoGrabberSrc1.StopRecording;
5 Button3 OnClick VideoGrabberSrc1.StartPreview;
6 Button4 OnClick VideoGrabberSrc1.StopPreview;

This is the picture of Video Recorder Or Video Capture With Borland Delphi Application test
Note:
The video grabber component that is used in this application is shareware version so that it could not work properly (maximal), in limited random time, application will stopped working, besides that application will appear overlay text nagscreen the address of the website is www.datastead.com

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