DecklinkHistogram is a simple dialog based Microsoft Windows video capture and preview application. It uses the Sample Grabber Filter and the ISampleGrabber interface to extract samples from a capture graph and into an application for in order to per

The purpose of this sample is to demonstrate the retrieval of video samples into an application from a very basic video capture graph. The application then performs, by way of example, a histogram analysis of the video which is then plotted in the ap