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FxEngine Plugin to Stream Video Data from a Webcam

, 16 Mar 2009
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This article shows how to build an FxEngine plugin to stream video data from a webcam
Screenshot

Introduction

The purpose of this article is to help to work on video stream using a simple plugin approach. Instead of using a full DShow architecture, I use the FxEngine Framework from SMProcess.

My approach was the following: create a video source plugin using DShow's components and process video stream with one or several processing plugins using C++.

Background

The plugin is based on the StillCap sample from DShow SDK (SDK\Samples\Multimedia\DirectShow\Editing\StillCap). There is an excellent article by Chesnokov Yuriy about this.

Using the Code

Firstly, I used the Framework to build the plugin (Out pin, plugin's parameter, Win32 dialog and plugin interface). I just read sample code and the user's guide that comes with the Framework installation.

Secondly, I used DShow programming to get video data.

The video capture is done by:

  • Creating an ISampleGrabber object to receive video data
  • Retrieving the default video capture device using GetDefaultCapDevice() method
  • Initializing video capture device using the InitVideoCapture() method

Using the Plugin

As shown in the screenshot above, I used the plugin in the Framework Editor to stream video data into several RGB splitters.

License

This article, along with any associated source code and files, is licensed under The GNU General Public License (GPLv3)

About the Author

m_sylvain
Engineer
France France
No Biography provided

Comments and Discussions

 
QuestionHelp compilig in VS2010 Pinmemberogrydc14-Sep-11 14:06 
AnswerRe: Help compilig in VS2010 Pinmemberm_sylvain29-Feb-12 9:26 
GeneralYour Source Code is Incomplete PinmemberGUI Developer27-Sep-08 19:44 
GeneralRe: Your Source Code is Incomplete Pinmemberm_sylvain29-Sep-08 22:06 

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