HasVmixer
if ( HasVmixer() )
BOOL HasVmixer()
BOOL HasVmixer();
pCapabilities->fHasVmixer = GetDspCommObject()->HasVmixer();
if (GetDspCommObject()->HasVmixer())
return GetDspCommObject()->HasVmixer();
( !HasVmixer() ) )
( !HasVmixer() ) )
m_fHasVmixer = pEG->HasVmixer();