Tag: howto

How To: Implement DirectShow Filter using DirectX Media Object DMO (Part 3: Persistence, Automation and Property Pages)

Previously on the topic: Part 1: Starting the Project Part 2: Video Processing The principal task of video processing is done but there are still things mandatory for the filter to be usable. First of all, a custom interface is required to be able to control the filter from higher level application and to adjust…

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How To: Implement DirectShow Filter using DirectX Media Object DMO (Part 1: Starting the Project)

This post is starting a step by step tutorial on writing a simple DirectShow filter using a simplified DirectX Media Objects (DMO) API. From the very scratch, the goal is to make a DirectShow/DMO video processing filter which implements video brightness and contrast correction. DirectX Media Objects are COM-based components. To implement a COM object…

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