在 2020/6/23 19:26, Steve Lhomme 写道: > As listed on > https://docs.microsoft.com/en-us/windows/win32/coreaudio/devinterface-xxx-guids > --- > mingw-w64-headers/include/mmdeviceapi.h | 5 +++++ > mingw-w64-headers/include/mmdeviceapi.idl | 6 ++++++ > 2 files changed, 11 insertions(+) > > diff --git a/mingw-w64-headers/include/mmdeviceapi.h > b/mingw-w64-headers/include/mmdeviceapi.h > index 716fa184..f72ba533 100644 > --- a/mingw-w64-headers/include/mmdeviceapi.h > +++ b/mingw-w64-headers/include/mmdeviceapi.h > @@ -785,6 +785,11 @@ static FORCEINLINE HRESULT > IMMDeviceActivator_Activate(IMMDeviceActivator* This, >
> +DEFINE_GUID(DEVINTERFACE_MIDI_INPUT , 0x6dc23320, 0xab33, 0x4ce4, 0x80, > 0xd4, 0xbb, 0xb3, 0xeb, 0xbf, 0x28, 0x14); > +DEFINE_GUID(DEVINTERFACE_MIDI_OUTPUT , 0x504be32c, 0xccf6, 0x4d2c, 0xb7, > 0x3f, 0x6f, 0x8b, 0x37, 0x47, 0xe2, 0x2b); > + You seem to have mistaken the definition of INPUT for OUTPUT, and vice versa. -- Best regards, LH_Mouse
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