This sample demonstrates using the IFilterMapper2::EnumMatchingFilters method to locate filters in the registry.
The sample application's UI contains controls that match the parameters of the EnumMatchingFilters method, such as minimum merit value, pin categories, and media types. Select the search options that you want, then click the Search button to enumerate the filters that match those options.
To download the DirectShow SDK samples, install the latest version of the Windows SDK.
This sample is installed under the following path: [SDK Root]\Samples\Multimedia\DirectShow\Misc\Mapper.