MFCreateFMPEG4MediaSink (CMPEG4MediaSink class) has no support for H.265/HEVC… MF_E_INVALIDMEDIATYPE…
It should have been there. We’re not expecting Dolby AC-4 to be supported [yet], but H.265?
MFCreateFMPEG4MediaSink has no H.265/HEVC support
// Oprogramowanie Roman Ryltsov