constexpr EM...
operator^
( EMediaAudioCaptureDeviceFilter Lhs, EMediaAudioCaptureDeviceFilter Rhs)
( EMediaVideoCaptureDeviceFilter Lhs, EMediaVideoCaptureDeviceFilter Rhs)
( EMediaWebcamCaptureDeviceFilter Lhs, EMediaWebcamCaptureDeviceFilter Rhs)