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git-svn-id: svn+ssh://svn.code.sf.net/p/wsjt/wsjt/trunk@189 ab8295b8-cf94-4d9e-aec4-7959e3be5d79
131 lines
4.9 KiB
C
131 lines
4.9 KiB
C
#ifndef __DSOUND_WRAPPER_H
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#define __DSOUND_WRAPPER_H
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/*
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* $Id$
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* Simplified DirectSound interface.
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*
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* Author: Phil Burk & Robert Marsanyi
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*
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* For PortAudio Portable Real-Time Audio Library
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* For more information see: http://www.softsynth.com/portaudio/
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* DirectSound Implementation
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* Copyright (c) 1999-2000 Phil Burk & Robert Marsanyi
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files
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* (the "Software"), to deal in the Software without restriction,
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* including without limitation the rights to use, copy, modify, merge,
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* publish, distribute, sublicense, and/or sell copies of the Software,
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* and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* Any person wishing to distribute modifications to the Software is
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* requested to send the modifications to the original developer so that
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* they can be incorporated into the canonical version.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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/* on Borland compilers, WIN32 doesn't seem to be defined by default, which
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breaks DSound.h. Adding the define here fixes the problem. - rossb. */
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#ifdef __BORLANDC__
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#if !defined(WIN32)
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#define WIN32
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#endif
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#endif
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/*
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We are only using DX3 in here, no need to polute the namespace - davidv
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*/
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#define DIRECTSOUND_VERSION 0x0300
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#include <DSound.h>
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#ifdef __cplusplus
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extern "C"
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{
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#endif /* __cplusplus */
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typedef struct
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{
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HINSTANCE hInstance_;
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HRESULT (WINAPI *DirectSoundCreate)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN);
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HRESULT (WINAPI *DirectSoundEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
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HRESULT (WINAPI *DirectSoundEnumerateA)(LPDSENUMCALLBACKA, LPVOID);
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HRESULT (WINAPI *DirectSoundCaptureCreate)(LPGUID, LPDIRECTSOUNDCAPTURE *, LPUNKNOWN);
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HRESULT (WINAPI *DirectSoundCaptureEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
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HRESULT (WINAPI *DirectSoundCaptureEnumerateA)(LPDSENUMCALLBACKA, LPVOID);
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}DSoundEntryPoints;
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extern DSoundEntryPoints dswDSoundEntryPoints;
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void DSW_InitializeDSoundEntryPoints(void);
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void DSW_TerminateDSoundEntryPoints(void);
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#define DSW_NUM_POSITIONS (4)
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#define DSW_NUM_EVENTS (5)
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#define DSW_TERMINATION_EVENT (DSW_NUM_POSITIONS)
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typedef struct
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{
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/* Output */
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LPDIRECTSOUND dsw_pDirectSound;
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LPDIRECTSOUNDBUFFER dsw_OutputBuffer;
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DWORD dsw_WriteOffset; /* last write position */
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INT dsw_OutputSize;
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INT dsw_BytesPerOutputFrame;
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/* Try to detect play buffer underflows. */
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LARGE_INTEGER dsw_CounterTicksPerBuffer; /* counter ticks it should take to play a full buffer */
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LARGE_INTEGER dsw_LastPlayTime;
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UINT dsw_LastPlayCursor;
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UINT dsw_OutputUnderflows;
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BOOL dsw_OutputRunning;
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/* use double which lets us can play for several thousand years with enough precision */
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double dsw_FramesWritten;
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double dsw_FramesPlayed;
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/* Input */
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INT dsw_BytesPerInputFrame;
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LPDIRECTSOUNDCAPTURE dsw_pDirectSoundCapture;
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LPDIRECTSOUNDCAPTUREBUFFER dsw_InputBuffer;
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UINT dsw_ReadOffset; /* last read position */
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UINT dsw_InputSize;
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} DSoundWrapper;
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HRESULT DSW_Init( DSoundWrapper *dsw );
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void DSW_Term( DSoundWrapper *dsw );
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HRESULT DSW_InitOutputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
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WORD nChannels, int bufSize );
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HRESULT DSW_StartOutput( DSoundWrapper *dsw );
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HRESULT DSW_StopOutput( DSoundWrapper *dsw );
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DWORD DSW_GetOutputStatus( DSoundWrapper *dsw );
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HRESULT DSW_WriteBlock( DSoundWrapper *dsw, char *buf, long numBytes );
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HRESULT DSW_ZeroEmptySpace( DSoundWrapper *dsw );
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HRESULT DSW_QueryOutputSpace( DSoundWrapper *dsw, long *bytesEmpty );
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HRESULT DSW_Enumerate( DSoundWrapper *dsw );
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HRESULT DSW_InitInputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
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WORD nChannels, int bufSize );
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HRESULT DSW_StartInput( DSoundWrapper *dsw );
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HRESULT DSW_StopInput( DSoundWrapper *dsw );
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HRESULT DSW_ReadBlock( DSoundWrapper *dsw, char *buf, long numBytes );
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HRESULT DSW_QueryInputFilled( DSoundWrapper *dsw, long *bytesFilled );
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HRESULT DSW_QueryOutputFilled( DSoundWrapper *dsw, long *bytesFilled );
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __DSOUND_WRAPPER_H */
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