https://bugs.winehq.org/show_bug.cgi?id=55596
--- Comment #4 from Rufusovis dmrcghn@gmail.com --- I think merging the patch directly caused https://bugs.winehq.org/show_bug.cgi?id=55635 as IMFSourceReaderEx was first implemented in Windows 8. AFAII lower versions should still advertise the old interface.