diff options
Diffstat (limited to 'pd/portaudio_v18/pa_win_ds/dsound_wrapper.h')
| -rw-r--r-- | pd/portaudio_v18/pa_win_ds/dsound_wrapper.h | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/pd/portaudio_v18/pa_win_ds/dsound_wrapper.h b/pd/portaudio_v18/pa_win_ds/dsound_wrapper.h new file mode 100644 index 00000000..b04b0020 --- /dev/null +++ b/pd/portaudio_v18/pa_win_ds/dsound_wrapper.h @@ -0,0 +1,106 @@ +#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 */ |