MontiVision Utility ActiveX Controls

This page contains information about a collection of controls which make it easier to work with the MontiVision Development Kit and DirectShow.

Video Source Selection and Control

These controls are extensions to the MV Smart Control. They handle some interfaces of the MV Smart Control in order to make video capture device configuration easy.

Control	Description
Video Source Combo Box	A Combo Box which enumerates and lists all available video devices. Used in applications to choose a video input device.
Input Selection Combo Box	A Combo Box which enumerates and lists all available inputs of a video source device (e.g. for multi input capture cards). Used in applications to select the input channel.
Video Format Combo Box	A Combo Box which enumerates and lists all available video formats of a video source (e.g. RGB, YUV).Used in applications to set the video format.
Video Size Combo Box	A Combo Box which enumerates and lists all available video resolutions of a video source. Used in applications to set the video resolution.
Frame Rate Combo Box	A Combo Box which enumerates and lists all available frame rates a video source supports. Used in applications to select the video frame rate.

Extended Video Source Control

The Extended Video Source Control ActiveX Control provides access to vendor specific video source device functionalities.

Video Mixing Renderer (VMR) Wrapper

The VMR Wrapper ActiveX Control provides access to the COM interfaces of the VMR Renderer in development environment like Visual Basic.

Additional Utility Controls

These controls handle interfaces of the MV Smart Control or interfaces of DirectShow filters of a loaded filter configuration.

Seeking Slider	A Slider or Trackbar used to navigate within a Video File.
Filter Property Page Display	A Tab Control used to display the Property Pages of a DirectShow filter.
Trigger Button	A button to trigger a DirectShow Filter that provides the IMVTrigger Interface.

I/O Output Controls

These controls display the output of a MontiVison DirectShow Filter I/O Pin. An I/O pin must be terminated by the MV I/O Renderer filter if these controls are used. The I/O Output Controls have to be initialized with a reference to the MV I/O Renderer filter. From that moment on the I/O output controls display the current values of the I/O pins. Please have a look at the HowTo section for more information.

Control	Description
MVIODisplay	A formatted text output of the last received I/O value
MVIOMonitor	A graphical output of the received I/O values.
MVIOLed	Shows an simple LED for boolean outputs.
MVIOOutput	Sends COM Events on I/O outputs. use this control to get I/O data from the filtergraph.