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#ifndef __DSOUND_WRAPPER_H
#define __DSOUND_WRAPPER_H
/*
* $Id: dsound_wrapper.h,v 1.1.1.1 2002/01/22 00:52:45 phil Exp $
* Simplified DirectSound interface.
*
* Author: Phil Burk & Robert Marsanyi
*
* For PortAudio Portable Real-Time Audio Library
* For more information see: http://www.softsynth.com/portaudio/
* DirectSound Implementation
* Copyright (c) 1999-2000 Phil Burk & Robert Marsanyi
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files
* (the "Software"), to deal in the Software without restriction,
* including without limitation the rights to use, copy, modify, merge,
* publish, distribute, sublicense, and/or sell copies of the Software,
* and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* Any person wishing to distribute modifications to the Software is
* requested to send the modifications to the original developer so that
* they can be incorporated into the canonical version.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include <DSound.h>
#if !defined(BOOL)
#define BOOL short
#endif
#ifndef SUPPORT_AUDIO_CAPTURE
#define SUPPORT_AUDIO_CAPTURE (1)
#endif
#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */
#define DSW_NUM_POSITIONS (4)
#define DSW_NUM_EVENTS (5)
#define DSW_TERMINATION_EVENT (DSW_NUM_POSITIONS)
typedef struct
{
/* Output */
LPDIRECTSOUND dsw_pDirectSound;
LPDIRECTSOUNDBUFFER dsw_OutputBuffer;
DWORD dsw_WriteOffset; /* last write position */
INT dsw_OutputSize;
INT dsw_BytesPerFrame;
/* Try to detect play buffer underflows. */
LARGE_INTEGER dsw_CounterTicksPerBuffer; /* counter ticks it should take to play a full buffer */
LARGE_INTEGER dsw_LastPlayTime;
UINT dsw_LastPlayCursor;
UINT dsw_OutputUnderflows;
BOOL dsw_OutputRunning;
/* use double which lets us can play for several thousand years with enough precision */
double dsw_FramesWritten;
double dsw_FramesPlayed;
#if SUPPORT_AUDIO_CAPTURE
/* Input */
LPDIRECTSOUNDCAPTURE dsw_pDirectSoundCapture;
LPDIRECTSOUNDCAPTUREBUFFER dsw_InputBuffer;
UINT dsw_ReadOffset; /* last read position */
UINT dsw_InputSize;
#endif /* SUPPORT_AUDIO_CAPTURE */
}
DSoundWrapper;
HRESULT DSW_Init( DSoundWrapper *dsw );
void DSW_Term( DSoundWrapper *dsw );
HRESULT DSW_InitOutputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
int nChannels, int bufSize );
HRESULT DSW_StartOutput( DSoundWrapper *dsw );
HRESULT DSW_StopOutput( DSoundWrapper *dsw );
DWORD DSW_GetOutputStatus( DSoundWrapper *dsw );
HRESULT DSW_WriteBlock( DSoundWrapper *dsw, char *buf, long numBytes );
HRESULT DSW_ZeroEmptySpace( DSoundWrapper *dsw );
HRESULT DSW_QueryOutputSpace( DSoundWrapper *dsw, long *bytesEmpty );
HRESULT DSW_Enumerate( DSoundWrapper *dsw );
#if SUPPORT_AUDIO_CAPTURE
HRESULT DSW_InitInputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
int nChannels, int bufSize );
HRESULT DSW_StartInput( DSoundWrapper *dsw );
HRESULT DSW_StopInput( DSoundWrapper *dsw );
HRESULT DSW_ReadBlock( DSoundWrapper *dsw, char *buf, long numBytes );
HRESULT DSW_QueryInputFilled( DSoundWrapper *dsw, long *bytesFilled );
#endif /* SUPPORT_AUDIO_CAPTURE */
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* __DSOUND_WRAPPER_H */
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