Sample Code
Windows Driver Samples/ Microsoft Virtual Audio Device Driver Sample/ C++/ hw.h/
/*++ Copyright (c) 1997-2000 Microsoft Corporation All Rights Reserved Module Name: hw.h Abstract: Declaration of MSVAD HW class. MSVAD HW has an array for storing mixer and volume settings for the topology. --*/ #ifndef _MSVAD_HW_H_ #define _MSVAD_HW_H_ //============================================================================= // Defines //============================================================================= // BUGBUG we should dynamically allocate this... #define MAX_TOPOLOGY_NODES 20 //============================================================================= // Classes //============================================================================= /////////////////////////////////////////////////////////////////////////////// // CMSVADHW // This class represents virtual MSVAD HW. An array representing volume // registers and mute registers. class CMSVADHW { public: protected: BOOL m_MuteControls[MAX_TOPOLOGY_NODES]; LONG m_VolumeControls[MAX_TOPOLOGY_NODES]; ULONG m_ulMux; // Mux selection BOOL m_bDevSpecific; INT m_iDevSpecific; UINT m_uiDevSpecific; private: public: CMSVADHW(); void MixerReset(); BOOL bGetDevSpecific(); void bSetDevSpecific ( IN BOOL bDevSpecific ); INT iGetDevSpecific(); void iSetDevSpecific ( IN INT iDevSpecific ); UINT uiGetDevSpecific(); void uiSetDevSpecific ( IN UINT uiDevSpecific ); BOOL GetMixerMute ( IN ULONG ulNode ); void SetMixerMute ( IN ULONG ulNode, IN BOOL fMute ); ULONG GetMixerMux(); void SetMixerMux ( IN ULONG ulNode ); LONG GetMixerVolume ( IN ULONG ulNode, IN LONG lChannel ); void SetMixerVolume ( IN ULONG ulNode, IN LONG lChannel, IN LONG lVolume ); protected: private: }; typedef CMSVADHW *PCMSVADHW; #endif
Our Services
-
What our customers say about us?
Read our customer testimonials to find out why our clients keep returning for their projects.
View Testimonials