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This article describes some of the connection issues faced when creating a transform filter. Connecting any two filters requires negotiating which media types to use and deciding on a common allocator for passing samples. Since transform filters are connected on both sides, and since some transform filters use the media types and allocators of other filters in the graph, it is important to understand the concepts involved in transform filter connections.
This article contains the following sections.
Last updated on Tuesday, May 18, 2004