3 * Copyright 1998 Marcus Meissner
4 * Copyright 1998 Rob Riggs
5 * Copyright 2000-2001 TransGaming Technologies, Inc.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 /* Linux does not support better timing than 10ms */
23 #define DS_TIME_RES 10 /* Resolution of multimedia timer */
24 #define DS_TIME_DEL 10 /* Delay of multimedia timer callback, and duration of HEL fragment */
26 #define DS_HEL_FRAGS 48 /* HEL only: number of waveOut fragments in primary buffer
27 * (changing this won't help you) */
29 /* direct sound hardware acceleration levels */
30 #define DS_HW_ACCEL_FULL 0 /* default on Windows 98 */
31 #define DS_HW_ACCEL_STANDARD 1 /* default on Windows 2000 */
32 #define DS_HW_ACCEL_BASIC 2
33 #define DS_HW_ACCEL_EMULATION 3
35 extern int ds_emuldriver
;
36 extern int ds_hel_margin
;
37 extern int ds_hel_queue
;
38 extern int ds_snd_queue_max
;
39 extern int ds_snd_queue_min
;
40 extern int ds_hw_accel
;
41 extern int ds_default_playback
;
42 extern int ds_default_capture
;
44 /*****************************************************************************
45 * Predeclare the interface implementation structures
47 typedef struct IDirectSoundImpl IDirectSoundImpl
;
48 typedef struct IDirectSoundBufferImpl IDirectSoundBufferImpl
;
49 typedef struct IDirectSoundCaptureImpl IDirectSoundCaptureImpl
;
50 typedef struct IDirectSoundCaptureBufferImpl IDirectSoundCaptureBufferImpl
;
51 typedef struct IDirectSoundFullDuplexImpl IDirectSoundFullDuplexImpl
;
52 typedef struct IDirectSoundNotifyImpl IDirectSoundNotifyImpl
;
53 typedef struct IDirectSound3DListenerImpl IDirectSound3DListenerImpl
;
54 typedef struct IDirectSound3DBufferImpl IDirectSound3DBufferImpl
;
55 typedef struct IKsPropertySetImpl IKsPropertySetImpl
;
56 typedef struct PrimaryBufferImpl PrimaryBufferImpl
;
57 typedef struct IClassFactoryImpl IClassFactoryImpl
;
59 /*****************************************************************************
60 * IDirectSound implementation structure
62 struct IDirectSoundImpl
65 ICOM_VFIELD(IDirectSound8
);
67 /* IDirectSoundImpl fields */
73 WAVEFORMATEX wfx
; /* current main waveformat */
75 LPWAVEHDR pwave
[DS_HEL_FRAGS
];
76 UINT timerID
, pwplay
, pwwrite
, pwqueue
, prebuf
, precount
;
78 PIDSDRIVERBUFFER hwbuf
;
80 DWORD writelead
, buflen
, state
, playpos
, mixpos
;
83 IDirectSoundBufferImpl
** buffers
;
85 CRITICAL_SECTION mixlock
;
87 PrimaryBufferImpl
* primary
;
90 /* DirectSound3DListener fields */
91 IDirectSound3DListenerImpl
* listener
;
93 CRITICAL_SECTION ds3dl_lock
;
94 BOOL ds3dl_need_recalc
;
97 /* reference counted buffer memory for duplicated buffer memory */
98 typedef struct BufferMemory
104 /*****************************************************************************
105 * IDirectSoundBuffer implementation structure
107 struct IDirectSoundBufferImpl
109 /* FIXME: document */
110 /* IUnknown fields */
111 ICOM_VFIELD(IDirectSoundBuffer8
);
113 /* IDirectSoundBufferImpl fields */
114 IDirectSoundImpl
* dsound
;
115 IDirectSound3DBufferImpl
* ds3db
;
116 IKsPropertySetImpl
* iks
;
117 CRITICAL_SECTION lock
;
118 PIDSDRIVERBUFFER hwbuf
;
120 BufferMemory
* buffer
;
121 DWORD playflags
,state
,leadin
;
122 DWORD playpos
,startpos
,writelead
,buflen
;
123 DWORD nAvgBytesPerSec
;
125 DSVOLUMEPAN volpan
, cvolpan
;
127 /* used for frequency conversion (PerfectPitch) */
128 ULONG freqAdjust
, freqAcc
;
129 /* used for intelligent (well, sort of) prebuffering */
130 DWORD probably_valid_to
, last_playpos
;
131 DWORD primary_mixpos
, buf_mixpos
;
133 /* IDirectSoundNotifyImpl fields */
134 IDirectSoundNotifyImpl
* notify
;
136 /* DirectSound3DBuffer fields */
137 DS3DBUFFER ds3db_ds3db
;
139 BOOL ds3db_need_recalc
;
142 HRESULT WINAPI
SecondaryBuffer_Create(
143 IDirectSoundImpl
*This
,
144 IDirectSoundBufferImpl
**pdsb
,
145 LPDSBUFFERDESC dsbd
);
147 struct PrimaryBufferImpl
{
148 ICOM_VFIELD(IDirectSoundBuffer8
);
150 IDirectSoundImpl
* dsound
;
153 HRESULT WINAPI
PrimaryBuffer_Create(
154 IDirectSoundImpl
*This
,
155 PrimaryBufferImpl
**pdsb
,
156 LPDSBUFFERDESC dsbd
);
158 /*****************************************************************************
159 * IDirectSoundCapture implementation structure
161 struct IDirectSoundCaptureImpl
163 /* IUnknown fields */
164 ICOM_VFIELD(IDirectSoundCapture
);
167 /* IDirectSoundCaptureImpl fields */
171 /* DirectSound driver stuff */
173 DSDRIVERDESC drvdesc
;
174 DSCDRIVERCAPS drvcaps
;
175 PIDSCDRIVERBUFFER hwbuf
;
177 /* wave driver info */
185 /* FIXME: this should be a pointer because it can be bigger */
188 IDirectSoundCaptureBufferImpl
* capture_buffer
;
193 CRITICAL_SECTION lock
;
196 /*****************************************************************************
197 * IDirectSoundCaptureBuffer implementation structure
199 struct IDirectSoundCaptureBufferImpl
201 /* IUnknown fields */
202 ICOM_VFIELD(IDirectSoundCaptureBuffer8
);
205 /* IDirectSoundCaptureBufferImpl fields */
206 IDirectSoundCaptureImpl
* dsound
;
207 /* FIXME: don't need this */
208 LPDSCBUFFERDESC pdscbd
;
210 /* IDirectSoundNotifyImpl fields */
211 IDirectSoundNotifyImpl
* notify
;
214 /*****************************************************************************
215 * IDirectSoundFullDuplex implementation structure
217 struct IDirectSoundFullDuplexImpl
219 /* IUnknown fields */
220 ICOM_VFIELD(IDirectSoundFullDuplex
);
223 /* IDirectSoundFullDuplexImpl fields */
224 CRITICAL_SECTION lock
;
227 /*****************************************************************************
228 * IDirectSoundNotify implementation structure
230 struct IDirectSoundNotifyImpl
232 /* IUnknown fields */
233 ICOM_VFIELD(IDirectSoundNotify
);
235 /* IDirectSoundNotifyImpl fields */
236 LPDSBPOSITIONNOTIFY notifies
;
239 PIDSDRIVERNOTIFY hwnotify
;
242 /*****************************************************************************
243 * IDirectSound3DListener implementation structure
245 struct IDirectSound3DListenerImpl
247 /* IUnknown fields */
248 ICOM_VFIELD(IDirectSound3DListener
);
250 /* IDirectSound3DListenerImpl fields */
251 IDirectSoundImpl
* dsound
;
254 HRESULT WINAPI
IDirectSound3DListenerImpl_Create(
255 PrimaryBufferImpl
*This
,
256 IDirectSound3DListenerImpl
**pdsl
);
258 /*****************************************************************************
259 * IKsPropertySet implementation structure
261 struct IKsPropertySetImpl
263 /* IUnknown fields */
264 ICOM_VFIELD(IKsPropertySet
);
266 /* IKsPropertySetImpl fields */
267 IDirectSoundBufferImpl
* dsb
;
270 HRESULT WINAPI
IKsPropertySetImpl_Create(
271 IDirectSoundBufferImpl
*This
,
272 IKsPropertySetImpl
**piks
);
274 /*****************************************************************************
275 * IDirectSound3DBuffer implementation structure
277 struct IDirectSound3DBufferImpl
279 /* IUnknown fields */
280 ICOM_VFIELD(IDirectSound3DBuffer
);
282 /* IDirectSound3DBufferImpl fields */
283 IDirectSoundBufferImpl
* dsb
;
284 CRITICAL_SECTION lock
;
287 HRESULT WINAPI
IDirectSound3DBufferImpl_Create(
288 IDirectSoundBufferImpl
*This
,
289 IDirectSound3DBufferImpl
**pds3db
);
291 /*******************************************************************************
292 * DirectSound ClassFactory implementation structure
294 struct IClassFactoryImpl
296 /* IUnknown fields */
297 ICOM_VFIELD(IClassFactory
);
301 extern IClassFactoryImpl DSOUND_CAPTURE_CF
;
302 extern IClassFactoryImpl DSOUND_FULLDUPLEX_CF
;
304 void DSOUND_RecalcVolPan(PDSVOLUMEPAN volpan
);
305 void DSOUND_RecalcFormat(IDirectSoundBufferImpl
*dsb
);
309 HRESULT
DSOUND_PrimaryCreate(IDirectSoundImpl
*This
);
310 HRESULT
DSOUND_PrimaryDestroy(IDirectSoundImpl
*This
);
311 HRESULT
DSOUND_PrimaryPlay(IDirectSoundImpl
*This
);
312 HRESULT
DSOUND_PrimaryStop(IDirectSoundImpl
*This
);
313 HRESULT
DSOUND_PrimaryGetPosition(IDirectSoundImpl
*This
, LPDWORD playpos
, LPDWORD writepos
);
317 DWORD
DSOUND_CalcPlayPosition(IDirectSoundBufferImpl
*This
,
318 DWORD state
, DWORD pplay
, DWORD pwrite
, DWORD pmix
, DWORD bmix
);
322 void DSOUND_CheckEvent(IDirectSoundBufferImpl
*dsb
, int len
);
323 void DSOUND_ForceRemix(IDirectSoundBufferImpl
*dsb
);
324 void DSOUND_MixCancelAt(IDirectSoundBufferImpl
*dsb
, DWORD buf_writepos
);
325 void DSOUND_WaveQueue(IDirectSoundImpl
*dsound
, DWORD mixq
);
326 void DSOUND_PerformMix(void);
327 void CALLBACK
DSOUND_timer(UINT timerID
, UINT msg
, DWORD dwUser
, DWORD dw1
, DWORD dw2
);
328 void CALLBACK
DSOUND_callback(HWAVEOUT hwo
, UINT msg
, DWORD dwUser
, DWORD dw1
, DWORD dw2
);
332 void DSOUND_Calc3DBuffer(IDirectSoundBufferImpl
*dsb
);
334 #define STATE_STOPPED 0
335 #define STATE_STARTING 1
336 #define STATE_PLAYING 2
337 #define STATE_CAPTURING 2
338 #define STATE_STOPPING 3
340 #define DSOUND_FREQSHIFT (14)
342 extern IDirectSoundImpl
* dsound
;
343 extern IDirectSoundCaptureImpl
* dsound_capture
;
345 extern ICOM_VTABLE(IDirectSoundNotify
) dsnvt
;
346 extern HRESULT
mmErr(UINT err
);
347 extern void setup_dsound_options(void);