Nikolay Sivov (@nsivov) commented about dlls/mfreadwrite/reader.c:
} count = 0;
- if (SUCCEEDED(hr = MFTEnum(category, 0, &in_type, allow_processor ? NULL : &out_type, NULL, &classes, &count)))
- if (SUCCEEDED(hr = MFTEnumEx(category, 0, &in_type, allow_processor ? NULL : &out_type, &activates, &count)))
You mentioned locally registered components in tests, but are they actually enumerated on Windows by the reader?