All of these APIs are very low-level, that’s why the quirks. There’s one system-specific video acceleration API which is not on the list, supports all GPUs, and

All of these APIs are very low-level, that’s why the quirks. There’s one system-specific video acceleration API which is not on the list, supports all GPUs, and just works without quirks, that’s IMFMediaEngine interface https://learn.microsoft.com/en-us/windows/win32/api/mfmediaengine/nn-mfmediaengine-imfmediaengine https://learn.microsoft.com/en-us/windows/win32/api/mfmediae... You give it a media file, and ask to play. The API delivers frames in DXGI surfaces, and you can do whatever you want with the data. Ideally, that’s what I would want in all other OSes.