xref: /reactos/sdk/include/psdk/mmddk.h (revision d5399189)
1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
2 
3 /*****************************************************************************
4  * Copyright 1998, Luiz Otavio L. Zorzella
5  *           1999, Eric Pouech
6  *
7  * Purpose:   multimedia declarations (external to WINMM & MMSYSTEM DLLs
8  *                                     for other DLLs (MCI, drivers...))
9  *
10  * This library is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU Lesser General Public
12  * License as published by the Free Software Foundation; either
13  * version 2.1 of the License, or (at your option) any later version.
14  *
15  * This library is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
18  * Lesser General Public License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public
21  * License along with this library; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
23  *
24  *****************************************************************************
25  */
26 #ifndef __MMDDK_H
27 #define __MMDDK_H
28 
29 #include <mmsystem.h>
30 #include <winbase.h>
31 
32 /* Maxium drivers  */
33 #define MAXWAVEDRIVERS 10
34 
35 #define MAX_MIDIINDRV 	(16)
36 /* For now I'm making 16 the maximum number of midi devices one can
37  * have. This should be more than enough for everybody. But as a purist,
38  * I intend to make it unbounded in the future, as soon as I figure
39  * a good way to do so.
40  */
41 #define MAX_MIDIOUTDRV 	(16)
42 
43 /* ==================================
44  *   Multimedia DDK compatible part
45  * ================================== */
46 
47 #include <pshpack1.h>
48 
49 #define DRVM_INIT		100
50 #define DRVM_EXIT		101
51 #define DRVM_DISABLE		102
52 #define DRVM_ENABLE		103
53 
54 /* messages that have IOCTL format
55  *    dw1 = NULL or handle
56  *    dw2 = NULL or ptr to DRVM_IOCTL_DATA
57  *    return is MMRESULT
58  */
59 #define DRVM_IOCTL		0x100
60 #define DRVM_ADD_THRU		(DRVM_IOCTL+1)
61 #define DRVM_REMOVE_THRU	(DRVM_IOCTL+2)
62 #define DRVM_IOCTL_LAST		(DRVM_IOCTL+5)
63 typedef struct {
64     DWORD  dwSize; 	/* size of this structure */
65     DWORD  dwCmd;  	/* IOCTL command code, 0x80000000 and above reserved for system */
66 } DRVM_IOCTL_DATA, *LPDRVM_IOCTL_DATA;
67 
68 /* command code ranges for dwCmd field of DRVM_IOCTL message
69  * - codes from 0 to 0x7FFFFFFF are user defined
70  * - codes from 0x80000000 to 0xFFFFFFFF are reserved for future definition by microsoft
71  */
72 #define DRVM_IOCTL_CMD_USER   0x00000000L
73 #define DRVM_IOCTL_CMD_SYSTEM 0x80000000L
74 
75 #define DRVM_MAPPER			0x2000
76 #define DRVM_USER			0x4000
77 #define DRVM_MAPPER_STATUS		(DRVM_MAPPER+0)
78 #define DRVM_MAPPER_RECONFIGURE 	(DRVM_MAPPER+1)
79 #define DRVM_MAPPER_PREFERRED_GET	(DRVM_MAPPER+21)
80 #define DRVM_MAPPER_CONSOLEVOICECOM_GET	(DRVM_MAPPER+23)
81 
82 #define DRV_QUERYDRVENTRY		(DRV_RESERVED + 1)
83 #define DRV_QUERYDEVNODE		(DRV_RESERVED + 2)
84 #define DRV_QUERYNAME			(DRV_RESERVED + 3)
85 #define DRV_QUERYDRIVERIDS		(DRV_RESERVED + 4)
86 #define DRV_QUERYMAPPABLE		(DRV_RESERVED + 5)
87 #define DRV_QUERYMODULE			(DRV_RESERVED + 9)
88 #define DRV_PNPINSTALL			(DRV_RESERVED + 11)
89 #define DRV_QUERYDEVICEINTERFACE	(DRV_RESERVED + 12)
90 #define DRV_QUERYDEVICEINTERFACESIZE	(DRV_RESERVED + 13)
91 #define DRV_QUERYSTRINGID		(DRV_RESERVED + 14)
92 #define DRV_QUERYSTRINGIDSIZE		(DRV_RESERVED + 15)
93 #define DRV_QUERYIDFROMSTRINGID		(DRV_RESERVED + 16)
94 #define DRV_QUERYFUNCTIONINSTANCEID	(DRV_RESERVED + 17)
95 #ifdef _WINE
96 #define DRV_QUERYDSOUNDIFACE		(DRV_RESERVED + 20)
97 #define DRV_QUERYDSOUNDDESC		(DRV_RESERVED + 21)
98 #define DRV_QUERYDSOUNDGUID		(DRV_RESERVED + 22)
99 #endif
100 
101 #define WODM_INIT		DRVM_INIT
102 #define WODM_GETNUMDEVS		 3
103 #define WODM_GETDEVCAPS		 4
104 #define WODM_OPEN		 5
105 #define WODM_CLOSE		 6
106 #define WODM_PREPARE		 7
107 #define WODM_UNPREPARE		 8
108 #define WODM_WRITE		 9
109 #define WODM_PAUSE		10
110 #define WODM_RESTART		11
111 #define WODM_RESET		12
112 #define WODM_GETPOS		13
113 #define WODM_GETPITCH		14
114 #define WODM_SETPITCH		15
115 #define WODM_GETVOLUME		16
116 #define WODM_SETVOLUME		17
117 #define WODM_GETPLAYBACKRATE	18
118 #define WODM_SETPLAYBACKRATE	19
119 #define WODM_BREAKLOOP		20
120 #define WODM_PREFERRED		21
121 
122 #define WODM_MAPPER_STATUS      (DRVM_MAPPER_STATUS + 0)
123 #define WAVEOUT_MAPPER_STATUS_DEVICE    0
124 #define WAVEOUT_MAPPER_STATUS_MAPPED    1
125 #define WAVEOUT_MAPPER_STATUS_FORMAT    2
126 
127 #define WODM_BUSY		21
128 
129 #define WIDM_INIT		DRVM_INIT
130 #define WIDM_GETNUMDEVS		50
131 #define WIDM_GETDEVCAPS		51
132 #define WIDM_OPEN		52
133 #define WIDM_CLOSE		53
134 #define WIDM_PREPARE		54
135 #define WIDM_UNPREPARE		55
136 #define WIDM_ADDBUFFER		56
137 #define WIDM_START		57
138 #define WIDM_STOP		58
139 #define WIDM_RESET		59
140 #define WIDM_GETPOS		60
141 #define WIDM_PREFERRED		61
142 #define WIDM_MAPPER_STATUS      (DRVM_MAPPER_STATUS + 0)
143 #define WAVEIN_MAPPER_STATUS_DEVICE     0
144 #define WAVEIN_MAPPER_STATUS_MAPPED     1
145 #define WAVEIN_MAPPER_STATUS_FORMAT     2
146 
147 #define MODM_INIT		DRVM_INIT
148 #define MODM_GETNUMDEVS		1
149 #define MODM_GETDEVCAPS		2
150 #define MODM_OPEN		3
151 #define MODM_CLOSE		4
152 #define MODM_PREPARE		5
153 #define MODM_UNPREPARE		6
154 #define MODM_DATA		7
155 #define MODM_LONGDATA		8
156 #define MODM_RESET          	9
157 #define MODM_GETVOLUME		10
158 #define MODM_SETVOLUME		11
159 #define MODM_CACHEPATCHES	12
160 #define MODM_CACHEDRUMPATCHES	13
161 
162 #define MIDM_INIT		DRVM_INIT
163 #define MIDM_GETNUMDEVS  	53
164 #define MIDM_GETDEVCAPS  	54
165 #define MIDM_OPEN        	55
166 #define MIDM_CLOSE       	56
167 #define MIDM_PREPARE     	57
168 #define MIDM_UNPREPARE   	58
169 #define MIDM_ADDBUFFER   	59
170 #define MIDM_START       	60
171 #define MIDM_STOP        	61
172 #define MIDM_RESET       	62
173 
174 
175 #define AUXM_INIT             	DRVM_INIT
176 #define AUXDM_GETNUMDEVS    	3
177 #define AUXDM_GETDEVCAPS    	4
178 #define AUXDM_GETVOLUME     	5
179 #define AUXDM_SETVOLUME     	6
180 
181 #define MXDM_INIT		DRVM_INIT
182 #define MXDM_USER               DRVM_USER
183 #define MXDM_MAPPER             DRVM_MAPPER
184 
185 #define	MXDM_GETNUMDEVS		1
186 #define	MXDM_GETDEVCAPS		2
187 #define	MXDM_OPEN		3
188 #define	MXDM_CLOSE		4
189 #define	MXDM_GETLINEINFO	5
190 #define	MXDM_GETLINECONTROLS	6
191 #define	MXDM_GETCONTROLDETAILS	7
192 #define	MXDM_SETCONTROLDETAILS	8
193 
194 /* pre-defined joystick types */
195 #define JOY_HW_NONE			0
196 #define JOY_HW_CUSTOM			1
197 #define JOY_HW_2A_2B_GENERIC		2
198 #define JOY_HW_2A_4B_GENERIC		3
199 #define JOY_HW_2B_GAMEPAD		4
200 #define JOY_HW_2B_FLIGHTYOKE		5
201 #define JOY_HW_2B_FLIGHTYOKETHROTTLE	6
202 #define JOY_HW_3A_2B_GENERIC		7
203 #define JOY_HW_3A_4B_GENERIC		8
204 #define JOY_HW_4B_GAMEPAD		9
205 #define JOY_HW_4B_FLIGHTYOKE		10
206 #define JOY_HW_4B_FLIGHTYOKETHROTTLE	11
207 #define JOY_HW_LASTENTRY		12
208 
209 /* calibration flags */
210 #define	JOY_ISCAL_XY		0x00000001l	/* XY are calibrated */
211 #define	JOY_ISCAL_Z		0x00000002l	/* Z is calibrated */
212 #define	JOY_ISCAL_R		0x00000004l	/* R is calibrated */
213 #define	JOY_ISCAL_U		0x00000008l	/* U is calibrated */
214 #define	JOY_ISCAL_V		0x00000010l	/* V is calibrated */
215 #define	JOY_ISCAL_POV		0x00000020l	/* POV is calibrated */
216 
217 /* point of view constants */
218 #define JOY_POV_NUMDIRS          4
219 #define JOY_POVVAL_FORWARD       0
220 #define JOY_POVVAL_BACKWARD      1
221 #define JOY_POVVAL_LEFT          2
222 #define JOY_POVVAL_RIGHT         3
223 
224 /* Specific settings for joystick hardware */
225 #define JOY_HWS_HASZ		0x00000001l	/* has Z info? */
226 #define JOY_HWS_HASPOV		0x00000002l	/* point of view hat present */
227 #define JOY_HWS_POVISBUTTONCOMBOS 0x00000004l	/* pov done through combo of buttons */
228 #define JOY_HWS_POVISPOLL	0x00000008l	/* pov done through polling */
229 #define JOY_HWS_ISYOKE		0x00000010l	/* joystick is a flight yoke */
230 #define JOY_HWS_ISGAMEPAD	0x00000020l	/* joystick is a game pad */
231 #define JOY_HWS_ISCARCTRL	0x00000040l	/* joystick is a car controller */
232 /* X defaults to J1 X axis */
233 #define JOY_HWS_XISJ1Y		0x00000080l	/* X is on J1 Y axis */
234 #define JOY_HWS_XISJ2X		0x00000100l	/* X is on J2 X axis */
235 #define JOY_HWS_XISJ2Y		0x00000200l	/* X is on J2 Y axis */
236 /* Y defaults to J1 Y axis */
237 #define JOY_HWS_YISJ1X		0x00000400l	/* Y is on J1 X axis */
238 #define JOY_HWS_YISJ2X		0x00000800l	/* Y is on J2 X axis */
239 #define JOY_HWS_YISJ2Y		0x00001000l	/* Y is on J2 Y axis */
240 /* Z defaults to J2 Y axis */
241 #define JOY_HWS_ZISJ1X		0x00002000l	/* Z is on J1 X axis */
242 #define JOY_HWS_ZISJ1Y		0x00004000l	/* Z is on J1 Y axis */
243 #define JOY_HWS_ZISJ2X		0x00008000l	/* Z is on J2 X axis */
244 /* POV defaults to J2 Y axis, if it is not button based */
245 #define JOY_HWS_POVISJ1X	0x00010000l	/* pov done through J1 X axis */
246 #define JOY_HWS_POVISJ1Y	0x00020000l	/* pov done through J1 Y axis */
247 #define JOY_HWS_POVISJ2X	0x00040000l	/* pov done through J2 X axis */
248 /* R defaults to J2 X axis */
249 #define JOY_HWS_HASR		0x00080000l	/* has R (4th axis) info */
250 #define JOY_HWS_RISJ1X		0x00100000l	/* R done through J1 X axis */
251 #define JOY_HWS_RISJ1Y		0x00200000l	/* R done through J1 Y axis */
252 #define JOY_HWS_RISJ2Y		0x00400000l	/* R done through J2 X axis */
253 /* U & V for future hardware */
254 #define JOY_HWS_HASU		0x00800000l	/* has U (5th axis) info */
255 #define JOY_HWS_HASV		0x01000000l	/* has V (6th axis) info */
256 
257 /* Usage settings */
258 #define JOY_US_HASRUDDER	0x00000001l	/* joystick configured with rudder */
259 #define JOY_US_PRESENT		0x00000002l	/* is joystick actually present? */
260 #define JOY_US_ISOEM		0x00000004l	/* joystick is an OEM defined type */
261 
262 
263 /* struct for storing x,y, z, and rudder values */
264 typedef struct joypos_tag {
265     DWORD	dwX;
266     DWORD	dwY;
267     DWORD	dwZ;
268     DWORD	dwR;
269     DWORD	dwU;
270     DWORD	dwV;
271 } JOYPOS, *LPJOYPOS;
272 
273 /* struct for storing ranges */
274 typedef struct joyrange_tag {
275     JOYPOS	jpMin;
276     JOYPOS	jpMax;
277     JOYPOS	jpCenter;
278 } JOYRANGE,*LPJOYRANGE;
279 
280 typedef struct joyreguservalues_tag {
281     DWORD	dwTimeOut;	/* value at which to timeout joystick polling */
282     JOYRANGE	jrvRanges;	/* range of values app wants returned for axes */
283     JOYPOS	jpDeadZone;	/* area around center to be considered
284     				   as "dead". specified as a percentage
285 				   (0-100). Only X & Y handled by system driver */
286 } JOYREGUSERVALUES, *LPJOYREGUSERVALUES;
287 
288 typedef struct joyreghwsettings_tag {
289     DWORD	dwFlags;
290     DWORD	dwNumButtons;		/* number of buttons */
291 } JOYREGHWSETTINGS, *LPJOYHWSETTINGS;
292 
293 /* range of values returned by the hardware (filled in by calibration) */
294 typedef struct joyreghwvalues_tag {
295     JOYRANGE	jrvHardware;		/* values returned by hardware */
296     DWORD	dwPOVValues[JOY_POV_NUMDIRS];/* POV values returned by hardware */
297     DWORD	dwCalFlags;		/* what has been calibrated */
298 } JOYREGHWVALUES, *LPJOYREGHWVALUES;
299 
300 /* hardware configuration */
301 typedef struct joyreghwconfig_tag {
302     JOYREGHWSETTINGS	hws;		/* hardware settings */
303     DWORD		dwUsageSettings;/* usage settings */
304     JOYREGHWVALUES	hwv;		/* values returned by hardware */
305     DWORD		dwType;		/* type of joystick */
306     DWORD		dwReserved;	/* reserved for OEM drivers */
307 } JOYREGHWCONFIG, *LPJOYREGHWCONFIG;
308 
309 /* joystick calibration info structure */
310 typedef struct joycalibrate_tag {
311     UINT    wXbase;
312     UINT    wXdelta;
313     UINT    wYbase;
314     UINT    wYdelta;
315     UINT    wZbase;
316     UINT    wZdelta;
317 } JOYCALIBRATE;
318 typedef JOYCALIBRATE *LPJOYCALIBRATE;
319 
320 /* prototype for joystick message function */
321 typedef UINT (CALLBACK * JOYDEVMSGPROC)(DWORD dwID, UINT uMessage, LPARAM lParam1, LPARAM lParam2);
322 typedef JOYDEVMSGPROC *LPJOYDEVMSGPROC;
323 
324 /* messages sent to joystick driver's DriverProc() function */
325 #define JDD_GETNUMDEVS          (DRV_RESERVED + 0x0001)
326 #define JDD_GETDEVCAPS          (DRV_RESERVED + 0x0002)
327 #define JDD_GETPOS              (DRV_RESERVED + 0x0101)
328 #define JDD_SETCALIBRATION      (DRV_RESERVED + 0x0102)
329 #define JDD_CONFIGCHANGED       (DRV_RESERVED + 0x0103)
330 #define JDD_GETPOSEX            (DRV_RESERVED + 0x0104)
331 
332 #define MCI_MAX_DEVICE_TYPE_LENGTH 80
333 
334 #define MCI_OPEN_DRIVER                 0x0801
335 #define MCI_CLOSE_DRIVER                0x0802
336 
337 #define MCI_FALSE                       (MCI_STRING_OFFSET + 19)
338 #define MCI_TRUE                        (MCI_STRING_OFFSET + 20)
339 
340 #define MCI_FORMAT_RETURN_BASE          MCI_FORMAT_MILLISECONDS_S
341 #define MCI_FORMAT_MILLISECONDS_S       (MCI_STRING_OFFSET + 21)
342 #define MCI_FORMAT_HMS_S                (MCI_STRING_OFFSET + 22)
343 #define MCI_FORMAT_MSF_S                (MCI_STRING_OFFSET + 23)
344 #define MCI_FORMAT_FRAMES_S             (MCI_STRING_OFFSET + 24)
345 #define MCI_FORMAT_SMPTE_24_S           (MCI_STRING_OFFSET + 25)
346 #define MCI_FORMAT_SMPTE_25_S           (MCI_STRING_OFFSET + 26)
347 #define MCI_FORMAT_SMPTE_30_S           (MCI_STRING_OFFSET + 27)
348 #define MCI_FORMAT_SMPTE_30DROP_S       (MCI_STRING_OFFSET + 28)
349 #define MCI_FORMAT_BYTES_S              (MCI_STRING_OFFSET + 29)
350 #define MCI_FORMAT_SAMPLES_S            (MCI_STRING_OFFSET + 30)
351 #define MCI_FORMAT_TMSF_S               (MCI_STRING_OFFSET + 31)
352 
353 #define MCI_VD_FORMAT_TRACK_S           (MCI_VD_OFFSET + 5)
354 
355 #define WAVE_FORMAT_PCM_S               (MCI_WAVE_OFFSET + 0)
356 #define WAVE_MAPPER_S                   (MCI_WAVE_OFFSET + 1)
357 
358 #define MCI_SEQ_MAPPER_S                (MCI_SEQ_OFFSET + 5)
359 #define MCI_SEQ_FILE_S                  (MCI_SEQ_OFFSET + 6)
360 #define MCI_SEQ_MIDI_S                  (MCI_SEQ_OFFSET + 7)
361 #define MCI_SEQ_SMPTE_S                 (MCI_SEQ_OFFSET + 8)
362 #define MCI_SEQ_FORMAT_SONGPTR_S        (MCI_SEQ_OFFSET + 9)
363 #define MCI_SEQ_NONE_S                  (MCI_SEQ_OFFSET + 10)
364 #define MIDIMAPPER_S                    (MCI_SEQ_OFFSET + 11)
365 
366 #define MCI_RESOURCE_RETURNED       0x00010000  /* resource ID */
367 #define MCI_COLONIZED3_RETURN       0x00020000  /* colonized ID, 3 bytes data */
368 #define MCI_COLONIZED4_RETURN       0x00040000  /* colonized ID, 4 bytes data */
369 #define MCI_INTEGER_RETURNED        0x00080000  /* integer conversion needed */
370 #define MCI_RESOURCE_DRIVER         0x00100000  /* driver owns returned resource */
371 
372 #define MCI_NO_COMMAND_TABLE    0xFFFF
373 
374 #define MCI_COMMAND_HEAD        0
375 #define MCI_STRING              1
376 #define MCI_INTEGER             2
377 #define MCI_END_COMMAND         3
378 #define MCI_RETURN              4
379 #define MCI_FLAG                5
380 #define MCI_END_COMMAND_LIST    6
381 #define MCI_RECT                7
382 #define MCI_CONSTANT            8
383 #define MCI_END_CONSTANT        9
384 #define MCI_HWND                10
385 #define MCI_HPAL                11
386 #define MCI_HDC                 12
387 
388 #ifdef _WIN64
389 #define MCI_INTEGER64           13
390 #endif /* _WIN64 */
391 
392 #define MAKEMCIRESOURCE(wRet, wRes) MAKELRESULT((wRet), (wRes))
393 
394 typedef struct {
395 	DWORD_PTR		dwCallback;
396 	DWORD_PTR		dwInstance;
397 	HMIDIOUT		hMidi;
398 	DWORD   		dwFlags;
399 } PORTALLOC, *LPPORTALLOC;
400 
401 typedef struct {
402 	HWAVE			hWave;
403 	LPWAVEFORMATEX		lpFormat;
404 	DWORD_PTR		dwCallback;
405 	DWORD_PTR		dwInstance;
406 	UINT			uMappedDeviceID;
407 	DWORD_PTR		dnDevNode;
408 } WAVEOPENDESC, *LPWAVEOPENDESC;
409 
410 typedef struct {
411         DWORD  			dwStreamID;
412         WORD   			wDeviceID;
413 } MIDIOPENSTRMID;
414 
415 typedef struct {
416 	HMIDI			hMidi;
417 	DWORD_PTR		dwCallback;
418 	DWORD_PTR		dwInstance;
419 	DWORD_PTR		dnDevNode;
420         DWORD          		cIds;
421         MIDIOPENSTRMID 		rgIds;
422 } MIDIOPENDESC, *LPMIDIOPENDESC;
423 
424 typedef struct tMIXEROPENDESC
425 {
426 	HMIXEROBJ		hmx;
427 	LPVOID			pReserved0;
428 	DWORD_PTR			dwCallback;
429 	DWORD_PTR			dwInstance;
430 	DWORD_PTR			dnDevNode;
431 } MIXEROPENDESC, *LPMIXEROPENDESC;
432 
433 typedef struct {
434 	UINT			wDeviceID;		/* device ID */
435 	LPSTR			lpstrParams;		/* parameter string for entry in SYSTEM.INI */
436 	UINT			wCustomCommandTable;	/* custom command table (0xFFFF if none) * filled in by the driver */
437 	UINT			wType;			/* driver type (filled in by the driver) */
438 } MCI_OPEN_DRIVER_PARMSA, *LPMCI_OPEN_DRIVER_PARMSA;
439 
440 typedef struct {
441 	UINT			wDeviceID;		/* device ID */
442 	LPWSTR			lpstrParams;		/* parameter string for entry in SYSTEM.INI */
443 	UINT			wCustomCommandTable;	/* custom command table (0xFFFF if none) * filled in by the driver */
444 	UINT			wType;			/* driver type (filled in by the driver) */
445 } MCI_OPEN_DRIVER_PARMSW, *LPMCI_OPEN_DRIVER_PARMSW;
446 
447 DWORD_PTR		WINAPI	mciGetDriverData(UINT uDeviceID);
448 BOOL			WINAPI	mciSetDriverData(UINT uDeviceID, DWORD_PTR dwData);
449 UINT			WINAPI	mciDriverYield(UINT uDeviceID);
450 BOOL			WINAPI	mciDriverNotify(HWND hwndCallback, UINT uDeviceID,
451 						UINT uStatus);
452 UINT			WINAPI	mciLoadCommandResource(HINSTANCE hInstance,
453 					       LPCWSTR lpResName, UINT uType);
454 BOOL			WINAPI	mciFreeCommandResource(UINT uTable);
455 
456 #define DCB_NULL		0x0000
457 #define DCB_WINDOW		0x0001			/* dwCallback is a HWND */
458 #define DCB_TASK		0x0002			/* dwCallback is a HTASK */
459 #define DCB_FUNCTION		0x0003			/* dwCallback is a FARPROC */
460 #define DCB_EVENT		0x0005			/* dwCallback is an EVENT Handler */
461 #define DCB_TYPEMASK		0x0007
462 #define DCB_NOSWITCH		0x0008			/* don't switch stacks for callback */
463 
464 BOOL		 	APIENTRY	DriverCallback(DWORD_PTR dwCallBack, DWORD uFlags, HDRVR hDev,
465 					       DWORD wMsg, DWORD_PTR dwUser, DWORD_PTR dwParam1, DWORD_PTR dwParam2);
466 
467 typedef void (*LPTASKCALLBACK)(DWORD dwInst);
468 
469 #define TASKERR_NOTASKSUPPORT 1
470 #define TASKERR_OUTOFMEMORY   2
471 UINT WINAPI mmTaskCreate(LPTASKCALLBACK, HANDLE*, DWORD_PTR);
472 void     WINAPI mmTaskBlock(DWORD);
473 BOOL     WINAPI mmTaskSignal(DWORD);
474 void     WINAPI mmTaskYield(void);
475 DWORD   WINAPI mmGetCurrentTask(void);
476 
477 
478 #define  WAVE_DIRECTSOUND               0x0080
479 
480 
481 #include <poppack.h>
482 
483 #endif /* __MMDDK_H */
484