80 lines
2 KiB
C
80 lines
2 KiB
C
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/*++
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Copyright (c) 1997-2000 Microsoft Corporation All Rights Reserved
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Module Name:
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hw.h
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Abstract:
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Declaration of MSVAD HW class.
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MSVAD HW has an array for storing mixer and volume settings
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for the topology.
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--*/
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#ifndef _MSVAD_HW_H_
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#define _MSVAD_HW_H_
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//=============================================================================
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// Defines
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//=============================================================================
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// BUGBUG we should dynamically allocate this...
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#define MAX_TOPOLOGY_NODES 20
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//=============================================================================
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// Classes
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//=============================================================================
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///////////////////////////////////////////////////////////////////////////////
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// CMSVADHW
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// This class represents virtual MSVAD HW. An array representing volume
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// registers and mute registers.
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class CMSVADHW
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{
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public:
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protected:
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BOOL m_MuteControls[MAX_TOPOLOGY_NODES];
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LONG m_VolumeControls[MAX_TOPOLOGY_NODES];
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ULONG m_ulMux; // Mux selection
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private:
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public:
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CMSVADHW();
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void MixerReset();
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BOOL GetMixerMute
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(
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IN ULONG ulNode
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);
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void SetMixerMute
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(
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IN ULONG ulNode,
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IN BOOL fMute
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);
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ULONG GetMixerMux();
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void SetMixerMux
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(
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IN ULONG ulNode
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);
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LONG GetMixerVolume
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(
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IN ULONG ulNode,
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IN LONG lChannel
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);
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void SetMixerVolume
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(
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IN ULONG ulNode,
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IN LONG lChannel,
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IN LONG lVolume
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);
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protected:
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private:
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};
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typedef CMSVADHW *PCMSVADHW;
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#endif
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