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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
//
/////////////////////////////////////////////////////////////////////////////////////////
////
// wavfmt.h - interface for wav format functions in wavfmt.c
////
#ifndef __WAVFMT_H__
#define __WAVFMT_H__
#include "winlocal.h"
// 16-bit pcm sample
//
typedef __int16 PCM16;typedef PCM16 _huge *LPPCM16;
// 8-bit pcm sample
//
typedef BYTE PCM8;typedef PCM8 _huge *LPPCM8;
#include <mmsystem.h>
#ifdef _WIN32
#include <mmreg.h>
#else
#if 0 // this requires either the VFWDK or MDRK
#include <mmreg.h>
#else // this is copied from the WIN32 version of mmreg.h
#ifndef _WAVEFORMATEX_
#define _WAVEFORMATEX_
typedef struct tWAVEFORMATEX{ WORD wFormatTag; /* format type */ WORD nChannels; /* number of channels (i.e. mono, stereo...) */ DWORD nSamplesPerSec; /* sample rate */ DWORD nAvgBytesPerSec; /* for buffer estimation */ WORD nBlockAlign; /* block size of data */ WORD wBitsPerSample; /* Number of bits per sample of mono data */ WORD cbSize; /* The count in bytes of the size of
extra information (after cbSize) */} WAVEFORMATEX;
typedef WAVEFORMATEX *PWAVEFORMATEX;typedef WAVEFORMATEX NEAR *NPWAVEFORMATEX;typedef WAVEFORMATEX FAR *LPWAVEFORMATEX;#endif /* _WAVEFORMATEX_ */
#ifndef _ACM_WAVEFILTER
#define _ACM_WAVEFILTER
#define WAVE_FILTER_UNKNOWN 0x0000
#define WAVE_FILTER_DEVELOPMENT (0xFFFF)
typedef struct wavefilter_tag { DWORD cbStruct; /* Size of the filter in bytes */ DWORD dwFilterTag; /* filter type */ DWORD fdwFilter; /* Flags for the filter (Universal Dfns) */ DWORD dwReserved[5]; /* Reserved for system use */} WAVEFILTER;typedef WAVEFILTER *PWAVEFILTER;typedef WAVEFILTER NEAR *NPWAVEFILTER;typedef WAVEFILTER FAR *LPWAVEFILTER;
#endif /* _ACM_WAVEFILTER */
#ifndef WAVE_FORMAT_DIALOGIC_OKI_ADPCM
#define WAVE_FORMAT_DIALOGIC_OKI_ADPCM 0x0017 /* Dialogic Corporation */
#endif
#ifndef MM_DIALOGIC
#define MM_DIALOGIC 93 /* Dialogic Corporation */
#endif
#ifndef WAVE_FORMAT_MULAW
#define WAVE_FORMAT_MULAW 0x0007 /* Microsoft Corporation */
#endif
#endif
#endif
// issued 5/11/98 by Terri Hendry [email protected]
//
#ifndef MM_ACTIVEVOICE
#define MM_ACTIVEVOICE 225
#endif
// issued 5/11/98 by Terri Hendry [email protected]
//
#ifndef MM_ACTIVEVOICE_ACM_VOXADPCM
#define MM_ACTIVEVOICE_ACM_VOXADPCM 1
#endif
// $FIXUP - we need to register with Microsoft to get product id
//
#ifndef MM_ACTIVEVOICE_AVPHONE_WAVEOUT
#define MM_ACTIVEVOICE_AVPHONE_WAVEOUT 2
#endif
// $FIXUP - we need to register with Microsoft to get product id
//
#ifndef MM_ACTIVEVOICE_AVPHONE_WAVEIN
#define MM_ACTIVEVOICE_AVPHONE_WAVEIN 3
#endif
#define WAVFMT_VERSION 0x00000105
#ifdef __cplusplus
extern "C" {#endif
// WavFormatPcm - fill WAVEFORMATEX struct based on PCM characteristics
// <nSamplesPerSec> (i) sample rate
// -1 default sample rate (11025)
// <nBitsPerSample> (i) sample size
// -1 default sample size (8)
// <nChannels> (i) number of channels (1=mono, 2=stereo)
// -1 default (mono)
// <lpwfx> (o) pointer to output buffer
// NULL allocate new buffer to hold result
// return pointer to WAVEFORMATEX struct, NULL if error
//
// NOTE: if <lpwfx> points to a WAVEFORMATEX struct, this struct
// is filled in, and this function returns <lpwfx>.
// If <lpwfx> is NULL, space is dynamically allocated for the output
// buffer, and this function returns a pointer to the output buffer.
// Use WavFormatFree() to free the buffer.
//
LPWAVEFORMATEX DLLEXPORT WINAPI WavFormatPcm(long nSamplesPerSec, WORD nBitsPerSample, WORD nChannels, LPWAVEFORMATEX lpwfx);
// WavFormatAlloc - allocate WAVEFORMATEX struct buffer
// <cbSize> (i) size of struct, including extra bytes
// return pointer to WAVEFORMATEX struct, NULL if error
//
// NOTE: use WavFormatFree() to free the buffer.
//
LPWAVEFORMATEX DLLEXPORT WINAPI WavFormatAlloc(WORD cbSize);
// WavFormatDup - duplicate WAVEFORMATEX structure
// <lpwfx> (i) pointer to WAVEFORMATEX struct
// return pointer to new WAVEFORMATEX struct, NULL if error
//
// NOTE: use WavFormatFree() to free the buffer.
//
LPWAVEFORMATEX DLLEXPORT WINAPI WavFormatDup(LPWAVEFORMATEX lpwfx);
// WavFormatFree - free WAVEFORMATEX struct
// <lpwfx> (i) pointer returned from WavFormatAlloc/Dup/Pcm
// return 0 if success
//
int DLLEXPORT WINAPI WavFormatFree(LPWAVEFORMATEX lpwfx);
// WavFormatIsValid - check format for validity
// <lpwfx> (i) pointer to WAVEFORMATEX struct
// return TRUE if valid format
//
BOOL DLLEXPORT WINAPI WavFormatIsValid(LPWAVEFORMATEX lpwfx);
// WavFormatCmp - compare one format with another
// <lpwfx1> (i) pointer to WAVEFORMATEX struct
// <lpwfx2> (i) pointer to WAVEFORMATEX struct
// return 0 if identical
//
// NOTE: this function does NOT compare the cbSize field or the extra bytes
//
int DLLEXPORT WINAPI WavFormatCmp(LPWAVEFORMATEX lpwfx1, LPWAVEFORMATEX lpwfx2);
// WavFormatCopy - copy one format to another
// <lpwfxDst> (i) pointer to destination WAVEFORMATEX struct
// <lpwfxSrc> (i) pointer to source WAVEFORMATEX struct
// return 0 if success
//
// NOTE: this function does NOT copy the cbSize field or the extra bytes
//
int DLLEXPORT WINAPI WavFormatCopy(LPWAVEFORMATEX lpwfxDst, LPWAVEFORMATEX lpwfxSrc);
// WavFormatGetSize - check size of format structure
// <lpwfx> (i) pointer to WAVEFORMATEX struct
// return size of structure, 0 if error
//
int DLLEXPORT WINAPI WavFormatGetSize(LPWAVEFORMATEX lpwfx);
// WavFormatDump - dump WAVEFORMATEX struct to debug
// <lpwfx> (i) pointer to WAVEFORMATEX struct
// return 0 if success
//
int DLLEXPORT WINAPI WavFormatDump(LPWAVEFORMATEX lpwfx);
// WavFormatBytesToMilleseconds - convert bytes to milleseconds
// <lpwfx> (i) pointer to WAVEFORMATEX struct
// <dwBytes> (i) bytes
// return milleseconds
//
DWORD DLLEXPORT WINAPI WavFormatBytesToMilleseconds(LPWAVEFORMATEX lpwfx, DWORD dwBytes);
// WavFormatMillesecondsToBytes - convert milleseconds to bytes
// <lpwfx> (i) pointer to WAVEFORMATEX struct
// <dwMilleseconds> (i) milleseconds
// return milleseconds
//
DWORD DLLEXPORT WINAPI WavFormatMillesecondsToBytes(LPWAVEFORMATEX lpwfx, DWORD dwMilleseconds);
// WavFormatSpeedAdjust - adjust format to reflect specified speed
// <lpwfx> (i/o) pointer to WAVEFORMATEX struct
// <nLevel> (i) speed level
// 50 half speed
// 100 normal speed
// 200 double speed, etc.
// <dwFlags> (i) reserved; must be zero
// return 0 if success
//
int DLLEXPORT WINAPI WavFormatSpeedAdjust(LPWAVEFORMATEX lpwfx, int nLevel, DWORD dwFlags);
// WavFormatVoxadpcm - fill WAVEFORMATEX struct for Dialogic OKI ADPCM
// <lpwfx> (o) pointer to output buffer
// NULL allocate new buffer to hold result
// <nSamplesPerSec> (i) sample rate
// -1 default sample rate (6000)
// return pointer to WAVEFORMATEX struct, NULL if error
//
// NOTE: if <lpwfx> points to a WAVEFORMATEX struct, this struct
// is filled in, and this function returns <lpwfx>.
// If <lpwfx> is NULL, space is dynamically allocated for the output
// buffer, and this function returns a pointer to the output buffer.
// Use WavFormatFree() to free the buffer.
//
LPWAVEFORMATEX DLLEXPORT WINAPI WavFormatVoxadpcm(LPWAVEFORMATEX lpwfx, long nSamplesPerSec);
// WavFormatMulaw - fill WAVEFORMATEX struct for CCITT u-law format
// <lpwfx> (o) pointer to output buffer
// NULL allocate new buffer to hold result
// <nSamplesPerSec> (i) sample rate
// -1 default sample rate (8000)
// return pointer to WAVEFORMATEX struct, NULL if error
//
// NOTE: if <lpwfx> points to a WAVEFORMATEX struct, this struct
// is filled in, and this function returns <lpwfx>.
// If <lpwfx> is NULL, space is dynamically allocated for the output
// buffer, and this function returns a pointer to the output buffer.
// Use WavFormatFree() to free the buffer.
//
LPWAVEFORMATEX DLLEXPORT WINAPI WavFormatMulaw(LPWAVEFORMATEX lpwfx, long nSamplesPerSec);
// WavFormatAlaw - fill WAVEFORMATEX struct for CCITT a-law format
// <lpwfx> (o) pointer to output buffer
// NULL allocate new buffer to hold result
// <nSamplesPerSec> (i) sample rate
// -1 default sample rate (8000)
// return pointer to WAVEFORMATEX struct, NULL if error
//
// NOTE: if <lpwfx> points to a WAVEFORMATEX struct, this struct
// is filled in, and this function returns <lpwfx>.
// If <lpwfx> is NULL, space is dynamically allocated for the output
// buffer, and this function returns a pointer to the output buffer.
// Use WavFormatFree() to free the buffer.
//
LPWAVEFORMATEX DLLEXPORT WINAPI WavFormatAlaw(LPWAVEFORMATEX lpwfx, long nSamplesPerSec);
#ifdef __cplusplus
}#endif
#endif // __WAV_H__
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