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/////////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 1998 Active Voice Corporation. All Rights Reserved.
//
// Active Agent(r) and Unified Communications(tm) are trademarks of Active Voice Corporation.
//
// Other brand and product names used herein are trademarks of their respective owners.
//
// The entire program and user interface including the structure, sequence, selection,
// and arrangement of the dialog, the exclusively "yes" and "no" choices represented
// by "1" and "2," and each dialog message are protected by copyrights registered in
// the United States and by international treaties.
//
// Protected by one or more of the following United States patents: 5,070,526, 5,488,650,
// 5,434,906, 5,581,604, 5,533,102, 5,568,540, 5,625,676, 5,651,054.
//
// Active Voice Corporation
// Seattle, Washington
// USA
//
/////////////////////////////////////////////////////////////////////////////////////////
////
// wavmixer.h - wav mixer functions
////
#ifndef __WAVMIXER_H__
#define __WAVMIXER_H__
#include "winlocal.h"
#define WAVMIXER_VERSION 0x00000100
// handle to wavmixer engine
//
DECLARE_HANDLE32(HWAVMIXER);
#define WAVMIXER_HWAVEIN 0x00000001
#define WAVMIXER_HWAVEOUT 0x00000002
#define WAVMIXER_WAVEIN 0x00000004
#define WAVMIXER_WAVEOUT 0x00000008
#ifdef __cplusplus
extern "C" {#endif
// WavMixerInit - initialize wav mixer device
// <dwVersion> (i) must be WAVMIXER_VERSION
// <hInst> (i) instance handle of calling module
// <lParam> (i) device id or handle, as specified by <dwFlags>
// <dwReserved1> (i) reserved; must be 0;
// <dwReserved2> (i) reserved; must be 0;
// <dwFlags> (i) control flags
// WAVMIXER_HWAVEIN <lParam> contains an HWAVEIN
// WAVMIXER_HWAVEOUT <lParam> contains an HWAVEOUT
// WAVMIXER_WAVEIN <lParam> contains a wav input device id
// WAVMIXER_WAVEOUT <lParam> contains a wav output device id
// return handle (NULL if error)
//
HWAVMIXER WINAPI WavMixerInit(DWORD dwVersion, HINSTANCE hInst, LPARAM lParam, DWORD dwReserved1, DWORD dwReserved2, DWORD dwFlags);
// WavMixerTerm - shut down wave mixer device
// <hWavMixer> (i) handle returned from WavMixerInit
// return 0 if success
//
int WINAPI WavMixerTerm(HWAVMIXER hWavMixer);
// WavMixerSupportsVolume - return TRUE if device supports volume control
// <hWavMixer> (i) handle returned from WavMixerInit
// <dwFlags> (i) control flags
// 0 reserved; must be zero
// return TRUE if device supports volume control
//
BOOL WINAPI WavMixerSupportsVolume(HWAVMIXER hWavMixer, DWORD dwFlags);
// WavMixerGetVolume - get current volume level
// <hWavMixer> (i) handle returned from WavMixerInit
// <dwFlags> (i) control flags
// 0 reserved; must be zero
// return volume level (0 minimum through 100 maximum, -1 if error)
//
int WINAPI WavMixerGetVolume(HWAVMIXER hWavMixer, DWORD dwFlags);
// WavMixerSetVolume - set current volume level
// <hWavMixer> (i) handle returned from WavMixerInit
// <nLevel> (i) volume level
// 0 minimum volume
// 100 maximum volume
// <dwFlags> (i) control flags
// 0 reserved; must be zero
// return new volume level (0 minimum through 100 maximum, -1 if error)
//
int WINAPI WavMixerSetVolume(HWAVMIXER hWavMixer, int nLevel, DWORD dwFlags);
// WavMixerSupportsLevel - return TRUE if device supports peak meter level
// <hWavMixer> (i) handle returned from WavMixerInit
// <dwFlags> (i) control flags
// 0 reserved; must be zero
// return TRUE if device supports peak meter level
//
BOOL WINAPI WavMixerSupportsLevel(HWAVMIXER hWavMixer, DWORD dwFlags);
// WavMixerGetLevel - get current peak meter level
// <hWavMixer> (i) handle returned from WavMixerInit
// <dwFlags> (i) control flags
// 0 reserved; must be zero
// return peak meter level (0 minimum through 100 maximum, -1 if error)
//
int WINAPI WavMixerGetLevel(HWAVMIXER hWavMixer, DWORD dwFlags);
#ifdef __cplusplus
}#endif
#endif // __WAVMIXER_H__
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