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DirectShow Filter (retired)

Integrate existing OptiTrack cameras into DirectShow compatible applications, such as those built using OpenCV. Includes a camera preview and capture sample application as well as MJPEG encoder and decoder.

DirectShow Filter screenshot



OptiTrack Video Capture Filter

A DirectShow user-mode video capture filter for use in DirectShow applications.

OptiShow Source Code

The complete source code for the OptiShow DirectShow application.


A camera preview and capture application using the OptiTrack DirectShow Filter. Provides access to live data from an OptiTrack camera as well as camera settings like exposure, intensity, frame rate, video type, and more. The OptiShow application also enables AVI recording and playback, saving frame snapshots as BMP files, and basic image processing and frame grabbing.

MJPEG Encoder

OptiTrack's MJPEG codec encoder for encoding video data to MJPEG.

MJPEG Decoder

OptiTrack's MJPEG codec encoder for encoding video data to MJPEG (compatible with Microsoft Windows 7).

Compatible Products

Flex 3
Flex 3

Slim 3U
Slim 3U

FLEX:V100 (retired)

S250e (retired)



Frequently asked questions about motion capture, system setup and licensing.

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License Tool

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Use a device serial number from a Hardware Key.

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Your license cannot be transferred to a different serial number once activated.

For more information, please see the Licensing & Activation FAQ.

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What happens when my license expires and updates are not purchased?

  • The customer will no longer have access to updates or new releases of the software.
  • The version of the software for which the customer's license was originally valid will continue to work.

For more information, please see the Licensing & Activation FAQ.