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144 lines
5.0 KiB
144 lines
5.0 KiB
/////////////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 1998 Active Voice Corporation. All Rights Reserved.
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//
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// Active Agent(r) and Unified Communications(tm) are trademarks of Active Voice Corporation.
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//
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// Other brand and product names used herein are trademarks of their respective owners.
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//
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// The entire program and user interface including the structure, sequence, selection,
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// and arrangement of the dialog, the exclusively "yes" and "no" choices represented
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// by "1" and "2," and each dialog message are protected by copyrights registered in
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// the United States and by international treaties.
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//
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// Protected by one or more of the following United States patents: 5,070,526, 5,488,650,
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// 5,434,906, 5,581,604, 5,533,102, 5,568,540, 5,625,676, 5,651,054.
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//
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// Active Voice Corporation
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// Seattle, Washington
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// USA
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//
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/////////////////////////////////////////////////////////////////////////////////////////
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////
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// vox.h - interface to vox file functions in vox.c
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////
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#ifndef __VOX_H__
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#define __VOX_H__
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#include "winlocal.h"
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#include "wavfmt.h"
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#define VOX_VERSION 0x00000106
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// handle to a vox engine instance
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//
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DECLARE_HANDLE32(HVOX);
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#ifdef __cplusplus
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extern "C" {
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#endif
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// these macros for compatibility with old code
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//
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#define VoxFormat(lpwfx, nSamplesPerSec) \
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WavFormatVoxadpcm(lpwfx, nSamplesPerSec)
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#define VoxFormatPcm(lpwfx) \
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WavFormatPcm(6000, 16, 1, lpwfx)
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// VoxInit - initialize vox engine
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// <dwVersion> (i) must be VOX_VERSION
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// <hInst> (i) instance handle of calling module
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// <dwFlags> (i) reserved; must be 0
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// return handle (NULL if error)
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//
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HVOX DLLEXPORT WINAPI VoxInit(DWORD dwVersion, HINSTANCE hInst, DWORD dwFlags);
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// VoxTerm - shut down vox engine
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// <hVox> (i) handle returned from VoxInit
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// return 0 if success
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//
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int DLLEXPORT WINAPI VoxTerm(HVOX hVox);
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// VoxReset - reset vox engine
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// <hVox> (i) handle returned from VoxInit
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// return 0 if success
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//
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int DLLEXPORT WINAPI VoxReset(HVOX hVox);
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// VoxDecode_16BitMono - decode vox samples
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// <hVox> (i) handle returned from VoxInit
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// <lpabVox> (i) array of encoded samples
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// <lpaiPcm> (o) array of decoded samples
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// <uSamples> (i) number of samples to decode
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// return 0 if success
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//
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// NOTE: each BYTE in <lpabVox> contains 2 12-bit encoded samples
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// in OKI ADPCM Vox format, as described by Dialogic
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// Each PCM16 in <lpaiPcm> contains 1 16-bit decoded sample
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// in standard PCM format.
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//
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int DLLEXPORT WINAPI VoxDecode_16BitMono(HVOX hVox, LPBYTE lpabVox, LPPCM16 lpaiPcm, UINT uSamples);
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// VoxEncode_16BitMono - encode vox samples
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// <hVox> (i) handle returned from VoxInit
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// <lpaiPcm> (i) array of decoded samples
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// <lpabVox> (o) array of encoded samples
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// <uSamples> (i) number of samples to encode
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// return 0 if success
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//
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// NOTE: each BYTE in <lpabVox> contains 2 12-bit encoded samples
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// in OKI ADPCM Vox format, as described by Dialogic
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// Each PCM16 in <lpaiPcm> contains 1 16-bit decoded sample
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// in standard PCM format.
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//
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int DLLEXPORT WINAPI VoxEncode_16BitMono(HVOX hVox, LPPCM16 lpaiPcm, LPBYTE lpabVox, UINT uSamples);
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// VoxDecode_8BitMono - decode vox samples
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// <hVox> (i) handle returned from VoxInit
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// <lpabVox> (i) array of encoded samples
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// <lpabPcm> (o) array of decoded samples
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// <uSamples> (i) number of samples to decode
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// return 0 if success
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//
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// NOTE: each BYTE in <lpabVox> contains 2 12-bit encoded samples
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// in OKI ADPCM Vox format, as described by Dialogic
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// Each PCM8 in <lpabPcm> contains 1 8-bit decoded sample
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// in standard PCM format.
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//
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int DLLEXPORT WINAPI VoxDecode_8BitMono(HVOX hVox, LPBYTE lpabVox, LPPCM8 lpabPcm, UINT uSamples);
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// VoxEncode_8BitMono - encode vox samples
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// <hVox> (i) handle returned from VoxInit
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// <lpabPcm> (i) array of decoded samples
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// <lpabVox> (o) array of encoded samples
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// <uSamples> (i) number of samples to encode
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// return 0 if success
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//
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// NOTE: each BYTE in <lpabVox> contains 2 12-bit encoded samples
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// in OKI ADPCM Vox format, as described by Dialogic
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// Each PCM8 in <lpabPcm> contains 1 8-bit decoded sample
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// in standard PCM format.
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//
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int DLLEXPORT WINAPI VoxEncode_8BitMono(HVOX hVox, LPPCM8 lpabPcm, LPBYTE lpabVox, UINT uSamples);
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// VoxIOProc - i/o procedure for vox format file data
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// <lpmmioinfo> (i/o) information about open file
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// <uMessage> (i) message indicating the requested I/O operation
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// <lParam1> (i) message specific parameter
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// <lParam2> (i) message specific parameter
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// returns 0 if message not recognized, otherwise message specific value
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//
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// NOTE: the address of this function should be passed to the WavOpen()
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// or mmioInstallIOProc() functions for accessing vox format file data.
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//
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LRESULT DLLEXPORT CALLBACK VoxIOProc(LPTSTR lpmmioinfo,
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UINT uMessage, LPARAM lParam1, LPARAM lParam2);
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#ifdef __cplusplus
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}
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#endif
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#endif // __VOX_H__
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