amaudio.h

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//==========================================================================;
//
//  THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
//  KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
//  IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
//  PURPOSE.
//
//  Copyright (c) 1992 - 1997  Microsoft Corporation.  All Rights Reserved.
//
//--------------------------------------------------------------------------;

// Audio related definitions and interfaces for ActiveMovie

#ifndef __AMAUDIO__
#pragma option push -b -a8 -pc -A- /*P_O_Push*/
#define __AMAUDIO__

#ifdef __cplusplus
extern "C" {
#endif // __cplusplus

#include <mmsystem.h>
#include <dsound.h>

// This is the interface the audio renderer supports to give the application
// access to the direct sound object and buffers it is using, to allow the
// application to use things like the 3D features of Direct Sound for the
// soundtrack of a movie being played with Active Movie

// be nice to our friends in C
#undef INTERFACE
#define INTERFACE IAMDirectSound

DECLARE_INTERFACE_(IAMDirectSound,IUnknown)
{
    /* IUnknown methods */

    STDMETHOD(QueryInterface)(THIS_ REFIID riid, LPVOID *ppvObj) PURE;
    STDMETHOD_(ULONG,AddRef)(THIS) PURE;
    STDMETHOD_(ULONG,Release)(THIS) PURE;

    /* IAMDirectSound methods */

    STDMETHOD(GetDirectSoundInterface)(THIS_ LPDIRECTSOUND *lplpds) PURE;
    STDMETHOD(GetPrimaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER *lplpdsb) PURE;
    STDMETHOD(GetSecondaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER *lplpdsb) PURE;
    STDMETHOD(ReleaseDirectSoundInterface)(THIS_ LPDIRECTSOUND lpds) PURE;
    STDMETHOD(ReleasePrimaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER lpdsb) PURE;
    STDMETHOD(ReleaseSecondaryBufferInterface)(THIS_ LPDIRECTSOUNDBUFFER lpdsb) PURE;
    STDMETHOD(SetFocusWindow)(THIS_ HWND, BOOL) PURE ;
    STDMETHOD(GetFocusWindow)(THIS_ HWND *, BOOL*) PURE ;
};


#ifdef __cplusplus
}
#endif // __cplusplus
#pragma option pop /*P_O_Pop*/
#endif // __AMAUDIO__