IDirectSound_GetSpeakerConfig  456 3rdparty/include/dshow/dsound.h #define IDirectSound_GetSpeakerConfig(p,a)       (p)->lpVtbl->GetSpeakerConfig(p,a)
IDirectSound_GetSpeakerConfig  470 3rdparty/include/dshow/dsound.h #define IDirectSound_GetSpeakerConfig(p,a)       (p)->GetSpeakerConfig(a)