aboutsummaryrefslogtreecommitdiff
path: root/pd/portaudio/pa_win_ds/dsound_wrapper.h
blob: 9e3f565f22c01c222e635fa86923521c0eba0a66 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
#ifndef __DSOUND_WRAPPER_H
#define __DSOUND_WRAPPER_H
/*
 * $Id: dsound_wrapper.h,v 1.1.1.1.2.8 2005/01/16 20:48:37 rossbencina 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.
 *
 */

/* on Borland compilers, WIN32 doesn't seem to be defined by default, which
    breaks DSound.h. Adding the define here fixes the problem. - rossb. */
#ifdef __BORLANDC__
#if !defined(WIN32)
#define WIN32
#endif
#endif

/*
  We are only using DX3 in here, no need to polute the namespace - davidv
*/
#define DIRECTSOUND_VERSION 0x0300

#include <DSound.h>

#ifdef __cplusplus
extern "C"
{
#endif /* __cplusplus */


typedef struct
{
    HINSTANCE hInstance_;
    
    HRESULT (WINAPI *DirectSoundCreate)(LPGUID, LPDIRECTSOUND *, LPUNKNOWN);
    HRESULT (WINAPI *DirectSoundEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
    HRESULT (WINAPI *DirectSoundEnumerateA)(LPDSENUMCALLBACKA, LPVOID);

    HRESULT (WINAPI *DirectSoundCaptureCreate)(LPGUID, LPDIRECTSOUNDCAPTURE *, LPUNKNOWN);
    HRESULT (WINAPI *DirectSoundCaptureEnumerateW)(LPDSENUMCALLBACKW, LPVOID);
    HRESULT (WINAPI *DirectSoundCaptureEnumerateA)(LPDSENUMCALLBACKA, LPVOID);
}DSoundEntryPoints;

extern DSoundEntryPoints dswDSoundEntryPoints;

void DSW_InitializeDSoundEntryPoints(void);
void DSW_TerminateDSoundEntryPoints(void);

#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_BytesPerOutputFrame;
    /* 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;
/* Input */
    INT                  dsw_BytesPerInputFrame;
    LPDIRECTSOUNDCAPTURE dsw_pDirectSoundCapture;
    LPDIRECTSOUNDCAPTUREBUFFER   dsw_InputBuffer;
    UINT                 dsw_ReadOffset;      /* last read position */
    UINT                 dsw_InputSize;
} DSoundWrapper;

HRESULT DSW_Init( DSoundWrapper *dsw );
void DSW_Term( DSoundWrapper *dsw );
HRESULT DSW_InitOutputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
                              WORD 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 );

HRESULT DSW_InitInputBuffer( DSoundWrapper *dsw, unsigned long nFrameRate,
                             WORD 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 );
HRESULT DSW_QueryOutputFilled( DSoundWrapper *dsw, long *bytesFilled );

#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif  /* __DSOUND_WRAPPER_H */