1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
6 * Copyright 1998 Patrik Stridvall
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2.1 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
25 #include "wine/port.h"
40 #include "wine/debug.h"
41 #include "wine/unicode.h"
43 WINE_DEFAULT_DEBUG_CHANNEL(msacm);
45 /***********************************************************************
46 * acmDriverAddA (MSACM32.@)
48 MMRESULT WINAPI acmDriverAddA(PHACMDRIVERID phadid, HINSTANCE hinstModule,
49 LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
52 WCHAR * driverW = NULL;
53 LPARAM lParamW = lParam;
55 TRACE("(%p, %p, %08lx, %08x, %08x)\n",
56 phadid, hinstModule, lParam, dwPriority, fdwAdd);
59 WARN("invalid parameter\n");
60 return MMSYSERR_INVALPARAM;
63 /* Check if any unknown flags */
65 ~(ACM_DRIVERADDF_FUNCTION|ACM_DRIVERADDF_NOTIFYHWND|
66 ACM_DRIVERADDF_GLOBAL)) {
67 WARN("invalid flag\n");
68 return MMSYSERR_INVALFLAG;
71 /* Check if any incompatible flags */
72 if ((fdwAdd & ACM_DRIVERADDF_FUNCTION) &&
73 (fdwAdd & ACM_DRIVERADDF_NOTIFYHWND)) {
74 WARN("invalid flag\n");
75 return MMSYSERR_INVALFLAG;
78 /* A->W translation of name */
79 if ((fdwAdd & ACM_DRIVERADDF_TYPEMASK) == ACM_DRIVERADDF_NAME) {
82 if (lParam == 0) return MMSYSERR_INVALPARAM;
83 len = MultiByteToWideChar(CP_ACP, 0, (LPSTR)lParam, -1, NULL, 0);
84 driverW = HeapAlloc(MSACM_hHeap, 0, len * sizeof(WCHAR));
85 if (!driverW) return MMSYSERR_NOMEM;
86 MultiByteToWideChar(CP_ACP, 0, (LPSTR)lParam, -1, driverW, len);
87 lParamW = (LPARAM)driverW;
90 resultW = acmDriverAddW(phadid, hinstModule, lParamW, dwPriority, fdwAdd);
91 HeapFree(MSACM_hHeap, 0, driverW);
95 /***********************************************************************
96 * acmDriverAddW (MSACM32.@)
99 MMRESULT WINAPI acmDriverAddW(PHACMDRIVERID phadid, HINSTANCE hinstModule,
100 LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
102 PWINE_ACMLOCALDRIVER pLocalDrv = NULL;
104 TRACE("(%p, %p, %08lx, %08x, %08x)\n",
105 phadid, hinstModule, lParam, dwPriority, fdwAdd);
108 WARN("invalid parameter\n");
109 return MMSYSERR_INVALPARAM;
112 /* Check if any unknown flags */
114 ~(ACM_DRIVERADDF_FUNCTION|ACM_DRIVERADDF_NOTIFYHWND|
115 ACM_DRIVERADDF_GLOBAL)) {
116 WARN("invalid flag\n");
117 return MMSYSERR_INVALFLAG;
120 /* Check if any incompatible flags */
121 if ((fdwAdd & ACM_DRIVERADDF_FUNCTION) &&
122 (fdwAdd & ACM_DRIVERADDF_NOTIFYHWND)) {
123 WARN("invalid flag\n");
124 return MMSYSERR_INVALFLAG;
127 switch (fdwAdd & ACM_DRIVERADDF_TYPEMASK) {
128 case ACM_DRIVERADDF_NAME:
131 lParam name of value in HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Drivers32
132 dwPriority (unused, set to 0)
134 *phadid = (HACMDRIVERID) MSACM_RegisterDriverFromRegistry((LPCWSTR)lParam);
136 ERR("Unable to register driver via ACM_DRIVERADDF_NAME\n");
137 return MMSYSERR_INVALPARAM;
140 case ACM_DRIVERADDF_FUNCTION:
142 hInstModule Handle of module which contains driver entry proc
143 lParam Driver function address
144 dwPriority (unused, set to 0)
146 fdwAdd &= ~ACM_DRIVERADDF_TYPEMASK;
147 /* FIXME: fdwAdd ignored */
148 /* Application-supplied acmDriverProc's are placed at the top of the priority unless
149 fdwAdd indicates ACM_DRIVERADDF_GLOBAL
151 pLocalDrv = MSACM_RegisterLocalDriver(hinstModule, (DRIVERPROC)lParam);
152 *phadid = pLocalDrv ? (HACMDRIVERID) MSACM_RegisterDriver(NULL, NULL, pLocalDrv) : NULL;
154 ERR("Unable to register driver via ACM_DRIVERADDF_FUNCTION\n");
155 return MMSYSERR_INVALPARAM;
158 case ACM_DRIVERADDF_NOTIFYHWND:
161 lParam Handle of notification window
162 dwPriority Window message to send for notification broadcasts
164 *phadid = (HACMDRIVERID) MSACM_RegisterNotificationWindow((HWND)lParam, dwPriority);
166 ERR("Unable to register driver via ACM_DRIVERADDF_NOTIFYHWND\n");
167 return MMSYSERR_INVALPARAM;
171 ERR("invalid flag value 0x%08lx for fdwAdd\n", fdwAdd & ACM_DRIVERADDF_TYPEMASK);
172 return MMSYSERR_INVALFLAG;
175 MSACM_BroadcastNotification();
176 return MMSYSERR_NOERROR;
179 /***********************************************************************
180 * acmDriverClose (MSACM32.@)
182 MMRESULT WINAPI acmDriverClose(HACMDRIVER had, DWORD fdwClose)
185 PWINE_ACMDRIVERID padid;
186 PWINE_ACMDRIVER* tpad;
188 TRACE("(%p, %08x)\n", had, fdwClose);
191 WARN("invalid flag\n");
192 return MMSYSERR_INVALFLAG;
195 pad = MSACM_GetDriver(had);
197 WARN("invalid handle\n");
198 return MMSYSERR_INVALHANDLE;
201 padid = pad->obj.pACMDriverID;
203 /* remove driver from list */
204 for (tpad = &(padid->pACMDriverList); *tpad; tpad = &((*tpad)->pNextACMDriver)) {
206 *tpad = (*tpad)->pNextACMDriver;
211 /* close driver if it has been opened */
212 if (pad->hDrvr && !pad->pLocalDrvrInst)
213 CloseDriver(pad->hDrvr, 0, 0);
214 else if (pad->pLocalDrvrInst)
215 MSACM_CloseLocalDriver(pad->pLocalDrvrInst);
217 HeapFree(MSACM_hHeap, 0, pad);
219 return MMSYSERR_NOERROR;
222 /***********************************************************************
223 * acmDriverDetailsA (MSACM32.@)
225 MMRESULT WINAPI acmDriverDetailsA(HACMDRIVERID hadid, PACMDRIVERDETAILSA padd, DWORD fdwDetails)
228 ACMDRIVERDETAILSW addw;
230 TRACE("(%p, %p, %08x)\n", hadid, padd, fdwDetails);
233 WARN("invalid parameter\n");
234 return MMSYSERR_INVALPARAM;
237 if (padd->cbStruct < 4) {
238 WARN("invalid parameter\n");
239 return MMSYSERR_INVALPARAM;
242 addw.cbStruct = sizeof(addw);
243 mmr = acmDriverDetailsW(hadid, &addw, fdwDetails);
245 ACMDRIVERDETAILSA padda;
247 padda.fccType = addw.fccType;
248 padda.fccComp = addw.fccComp;
249 padda.wMid = addw.wMid;
250 padda.wPid = addw.wPid;
251 padda.vdwACM = addw.vdwACM;
252 padda.vdwDriver = addw.vdwDriver;
253 padda.fdwSupport = addw.fdwSupport;
254 padda.cFormatTags = addw.cFormatTags;
255 padda.cFilterTags = addw.cFilterTags;
256 padda.hicon = addw.hicon;
257 WideCharToMultiByte( CP_ACP, 0, addw.szShortName, -1, padda.szShortName,
258 sizeof(padda.szShortName), NULL, NULL );
259 WideCharToMultiByte( CP_ACP, 0, addw.szLongName, -1, padda.szLongName,
260 sizeof(padda.szLongName), NULL, NULL );
261 WideCharToMultiByte( CP_ACP, 0, addw.szCopyright, -1, padda.szCopyright,
262 sizeof(padda.szCopyright), NULL, NULL );
263 WideCharToMultiByte( CP_ACP, 0, addw.szLicensing, -1, padda.szLicensing,
264 sizeof(padda.szLicensing), NULL, NULL );
265 WideCharToMultiByte( CP_ACP, 0, addw.szFeatures, -1, padda.szFeatures,
266 sizeof(padda.szFeatures), NULL, NULL );
267 padda.cbStruct = min(padd->cbStruct, sizeof(*padd));
268 memcpy(padd, &padda, padda.cbStruct);
273 /***********************************************************************
274 * acmDriverDetailsW (MSACM32.@)
276 MMRESULT WINAPI acmDriverDetailsW(HACMDRIVERID hadid, PACMDRIVERDETAILSW padd, DWORD fdwDetails)
281 TRACE("(%p, %p, %08x)\n", hadid, padd, fdwDetails);
284 WARN("invalid parameter\n");
285 return MMSYSERR_INVALPARAM;
288 if (padd->cbStruct < 4) {
289 WARN("invalid parameter\n");
290 return MMSYSERR_INVALPARAM;
294 WARN("invalid flag\n");
295 return MMSYSERR_INVALFLAG;
298 mmr = acmDriverOpen(&acmDrvr, hadid, 0);
299 if (mmr == MMSYSERR_NOERROR) {
300 ACMDRIVERDETAILSW paddw;
301 paddw.cbStruct = sizeof(paddw);
302 mmr = (MMRESULT)MSACM_Message(acmDrvr, ACMDM_DRIVER_DETAILS, (LPARAM)&paddw, 0);
304 acmDriverClose(acmDrvr, 0);
305 paddw.cbStruct = min(padd->cbStruct, sizeof(*padd));
306 memcpy(padd, &paddw, paddw.cbStruct);
312 /***********************************************************************
313 * acmDriverEnum (MSACM32.@)
315 MMRESULT WINAPI acmDriverEnum(ACMDRIVERENUMCB fnCallback, DWORD dwInstance, DWORD fdwEnum)
317 PWINE_ACMDRIVERID padid;
320 TRACE("(%p, %08x, %08x)\n", fnCallback, dwInstance, fdwEnum);
323 WARN("invalid parameter\n");
324 return MMSYSERR_INVALPARAM;
327 if (fdwEnum & ~(ACM_DRIVERENUMF_NOLOCAL|ACM_DRIVERENUMF_DISABLED)) {
328 WARN("invalid flag\n");
329 return MMSYSERR_INVALFLAG;
332 for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
333 fdwSupport = padid->fdwSupport;
335 if (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) {
336 if (fdwEnum & ACM_DRIVERENUMF_DISABLED)
337 fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
341 if (!(*fnCallback)((HACMDRIVERID)padid, dwInstance, fdwSupport))
345 return MMSYSERR_NOERROR;
348 /***********************************************************************
349 * acmDriverID (MSACM32.@)
351 MMRESULT WINAPI acmDriverID(HACMOBJ hao, PHACMDRIVERID phadid, DWORD fdwDriverID)
355 TRACE("(%p, %p, %08x)\n", hao, phadid, fdwDriverID);
358 WARN("invalid flag\n");
359 return MMSYSERR_INVALFLAG;
362 pao = MSACM_GetObj(hao, WINE_ACMOBJ_DONTCARE);
364 WARN("invalid handle\n");
365 return MMSYSERR_INVALHANDLE;
369 WARN("invalid parameter\n");
370 return MMSYSERR_INVALPARAM;
373 *phadid = (HACMDRIVERID) pao->pACMDriverID;
375 return MMSYSERR_NOERROR;
378 /***********************************************************************
379 * acmDriverMessage (MSACM32.@)
381 * Note: MSDN documentation (July 2001) is incomplete. This function
382 * accepts sending messages to an HACMDRIVERID in addition to the
383 * documented HACMDRIVER. In fact, for DRV_QUERYCONFIGURE and DRV_CONFIGURE,
384 * this might actually be the required mode of operation.
386 * Note: For DRV_CONFIGURE, msacm supplies its own DRVCONFIGINFO structure
387 * when the application fails to supply one. Some native drivers depend on
388 * this and refuse to display unless a valid DRVCONFIGINFO structure is
389 * built and supplied.
391 LRESULT WINAPI acmDriverMessage(HACMDRIVER had, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
393 TRACE("(%p, %04x, %08lx, %08lx\n", had, uMsg, lParam1, lParam2);
395 if ((uMsg >= ACMDM_USER && uMsg < ACMDM_RESERVED_LOW) ||
396 uMsg == ACMDM_DRIVER_ABOUT ||
397 uMsg == DRV_QUERYCONFIGURE ||
398 uMsg == DRV_CONFIGURE)
400 PWINE_ACMDRIVERID padid;
402 LPDRVCONFIGINFO pConfigInfo = NULL;
403 LPWSTR section_name = NULL;
404 LPWSTR alias_name = NULL;
406 /* Check whether handle is an HACMDRIVERID */
407 padid = MSACM_GetDriverID((HACMDRIVERID)had);
409 /* If the message is DRV_CONFIGURE, and the application provides no
410 DRVCONFIGINFO structure, msacm must supply its own.
412 if (uMsg == DRV_CONFIGURE && lParam2 == 0) {
415 /* Get the alias from the HACMDRIVERID */
417 pAlias = padid->pszDriverAlias;
418 if (pAlias == NULL) {
419 WARN("DRV_CONFIGURE: no alias for this driver, cannot self-supply alias\n");
422 FIXME("DRV_CONFIGURE: reverse lookup HACMDRIVER -> HACMDRIVERID not implemented\n");
426 if (pAlias != NULL) {
427 /* DRVCONFIGINFO is only 12 bytes long, but native msacm
428 * reports a 16-byte structure to codecs, so allocate 16 bytes,
429 * just to be on the safe side.
431 const unsigned int iStructSize = 16;
432 pConfigInfo = HeapAlloc(MSACM_hHeap, 0, iStructSize);
434 ERR("OOM while supplying DRVCONFIGINFO for DRV_CONFIGURE, using NULL\n");
436 static const WCHAR drivers32[] = {'D','r','i','v','e','r','s','3','2','\0'};
438 pConfigInfo->dwDCISize = iStructSize;
440 section_name = HeapAlloc(MSACM_hHeap, 0, (strlenW(drivers32) + 1) * sizeof(WCHAR));
441 if (section_name) strcpyW(section_name, drivers32);
442 pConfigInfo->lpszDCISectionName = section_name;
443 alias_name = HeapAlloc(MSACM_hHeap, 0, (strlenW(pAlias) + 1) * sizeof(WCHAR));
444 if (alias_name) strcpyW(alias_name, pAlias);
445 pConfigInfo->lpszDCIAliasName = alias_name;
447 if (pConfigInfo->lpszDCISectionName == NULL || pConfigInfo->lpszDCIAliasName == NULL) {
448 HeapFree(MSACM_hHeap, 0, alias_name);
449 HeapFree(MSACM_hHeap, 0, section_name);
450 HeapFree(MSACM_hHeap, 0, pConfigInfo);
452 ERR("OOM while supplying DRVCONFIGINFO for DRV_CONFIGURE, using NULL\n");
457 lParam2 = (LPARAM)pConfigInfo;
461 /* Handle is really an HACMDRIVERID, must have an open session to get an HACMDRIVER */
462 if (padid->pACMDriverList != NULL) {
463 lResult = MSACM_Message((HACMDRIVER)padid->pACMDriverList, uMsg, lParam1, lParam2);
465 MMRESULT mmr = acmDriverOpen(&had, (HACMDRIVERID)padid, 0);
466 if (mmr != MMSYSERR_NOERROR) {
467 lResult = MMSYSERR_INVALPARAM;
469 lResult = acmDriverMessage(had, uMsg, lParam1, lParam2);
470 acmDriverClose(had, 0);
474 lResult = MSACM_Message(had, uMsg, lParam1, lParam2);
477 HeapFree(MSACM_hHeap, 0, alias_name);
478 HeapFree(MSACM_hHeap, 0, section_name);
479 HeapFree(MSACM_hHeap, 0, pConfigInfo);
483 WARN("invalid parameter\n");
484 return MMSYSERR_INVALPARAM;
487 /***********************************************************************
488 * acmDriverOpen (MSACM32.@)
490 MMRESULT WINAPI acmDriverOpen(PHACMDRIVER phad, HACMDRIVERID hadid, DWORD fdwOpen)
492 PWINE_ACMDRIVERID padid;
493 PWINE_ACMDRIVER pad = NULL;
496 TRACE("(%p, %p, %08u)\n", phad, hadid, fdwOpen);
499 WARN("invalid parameter\n");
500 return MMSYSERR_INVALPARAM;
504 WARN("invalid flag\n");
505 return MMSYSERR_INVALFLAG;
508 padid = MSACM_GetDriverID(hadid);
510 WARN("invalid handle\n");
511 return MMSYSERR_INVALHANDLE;
514 pad = HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMDRIVER));
517 return MMSYSERR_NOMEM;
520 pad->obj.dwType = WINE_ACMOBJ_DRIVER;
521 pad->obj.pACMDriverID = padid;
523 pad->pLocalDrvrInst = NULL;
525 if (padid->pLocalDriver == NULL)
527 ACMDRVOPENDESCW adod;
531 /* this is not an externally added driver... need to actually load it */
532 if (!padid->pszDriverAlias)
534 ret = MMSYSERR_ERROR;
538 adod.cbStruct = sizeof(adod);
539 adod.fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
540 adod.fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
541 adod.dwVersion = acmGetVersion();
542 adod.dwFlags = fdwOpen;
544 len = strlen("Drivers32") + 1;
545 section_name = HeapAlloc(MSACM_hHeap, 0, len * sizeof(WCHAR));
546 MultiByteToWideChar(CP_ACP, 0, "Drivers32", -1, section_name, len);
547 adod.pszSectionName = section_name;
548 adod.pszAliasName = padid->pszDriverAlias;
551 pad->hDrvr = OpenDriver(padid->pszDriverAlias, NULL, (DWORD)&adod);
553 HeapFree(MSACM_hHeap, 0, section_name);
562 ACMDRVOPENDESCW adod;
566 adod.cbStruct = sizeof(adod);
567 adod.fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
568 adod.fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
569 adod.dwVersion = acmGetVersion();
570 adod.dwFlags = fdwOpen;
572 adod.pszSectionName = NULL;
573 adod.pszAliasName = NULL;
576 pad->pLocalDrvrInst = MSACM_OpenLocalDriver(padid->pLocalDriver, (DWORD)&adod);
577 if (!pad->pLocalDrvrInst)
584 /* insert new pad at beg of list */
585 pad->pNextACMDriver = padid->pACMDriverList;
586 padid->pACMDriverList = pad;
588 /* FIXME: Create a WINE_ACMDRIVER32 */
589 *phad = (HACMDRIVER)pad;
590 TRACE("%s => %p\n", debugstr_w(padid->pszDriverAlias), pad);
592 return MMSYSERR_NOERROR;
594 WARN("failed: ret = %08x\n", ret);
595 if (pad && !pad->hDrvr)
596 HeapFree(MSACM_hHeap, 0, pad);
600 /***********************************************************************
601 * acmDriverPriority (MSACM32.@)
603 MMRESULT WINAPI acmDriverPriority(HACMDRIVERID hadid, DWORD dwPriority, DWORD fdwPriority)
606 TRACE("(%p, %08x, %08x)\n", hadid, dwPriority, fdwPriority);
608 /* Check for unknown flags */
610 ~(ACM_DRIVERPRIORITYF_ENABLE|ACM_DRIVERPRIORITYF_DISABLE|
611 ACM_DRIVERPRIORITYF_BEGIN|ACM_DRIVERPRIORITYF_END)) {
612 WARN("invalid flag\n");
613 return MMSYSERR_INVALFLAG;
616 /* Check for incompatible flags */
617 if ((fdwPriority & ACM_DRIVERPRIORITYF_ENABLE) &&
618 (fdwPriority & ACM_DRIVERPRIORITYF_DISABLE)) {
619 WARN("invalid flag\n");
620 return MMSYSERR_INVALFLAG;
623 /* Check for incompatible flags */
624 if ((fdwPriority & ACM_DRIVERPRIORITYF_BEGIN) &&
625 (fdwPriority & ACM_DRIVERPRIORITYF_END)) {
626 WARN("invalid flag\n");
627 return MMSYSERR_INVALFLAG;
630 /* According to MSDN, ACM_DRIVERPRIORITYF_BEGIN and ACM_DRIVERPRIORITYF_END
631 may only appear by themselves, and in addition, hadid and dwPriority must
633 if ((fdwPriority & ACM_DRIVERPRIORITYF_BEGIN) ||
634 (fdwPriority & ACM_DRIVERPRIORITYF_END)) {
635 if (fdwPriority & ~(ACM_DRIVERPRIORITYF_BEGIN|ACM_DRIVERPRIORITYF_END)) {
636 WARN("ACM_DRIVERPRIORITYF_[BEGIN|END] cannot be used with any other flags\n");
637 return MMSYSERR_INVALPARAM;
640 WARN("priority invalid with ACM_DRIVERPRIORITYF_[BEGIN|END]\n");
641 return MMSYSERR_INVALPARAM;
644 WARN("non-null hadid invalid with ACM_DRIVERPRIORITYF_[BEGIN|END]\n");
645 return MMSYSERR_INVALPARAM;
647 /* FIXME: MSDN wording suggests that deferred notification should be
648 implemented as a system-wide lock held by a calling task, and that
649 re-enabling notifications should broadcast them across all processes.
650 This implementation uses a simple DWORD counter. One consequence of the
651 current implementation is that applications will never see
652 MMSYSERR_ALLOCATED as a return error.
654 if (fdwPriority & ACM_DRIVERPRIORITYF_BEGIN) {
655 MSACM_DisableNotifications();
656 } else if (fdwPriority & ACM_DRIVERPRIORITYF_END) {
657 MSACM_EnableNotifications();
659 return MMSYSERR_NOERROR;
661 PWINE_ACMDRIVERID padid;
662 PWINE_ACMNOTIFYWND panwnd;
663 BOOL bPerformBroadcast = FALSE;
665 /* Fetch driver ID */
666 padid = MSACM_GetDriverID(hadid);
667 panwnd = MSACM_GetNotifyWnd(hadid);
668 if (!padid && !panwnd) {
669 WARN("invalid handle\n");
670 return MMSYSERR_INVALHANDLE;
674 /* Check whether driver ID is appropriate for requested op */
676 if (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_LOCAL) {
677 return MMSYSERR_NOTSUPPORTED;
679 if (dwPriority != 1 && dwPriority != (DWORD)-1) {
680 FIXME("unexpected priority %d, using sign only\n", dwPriority);
681 if ((signed)dwPriority < 0) dwPriority = (DWORD)-1;
682 if (dwPriority > 0) dwPriority = 1;
685 if (dwPriority == 1 && (padid->pPrevACMDriverID == NULL ||
686 (padid->pPrevACMDriverID->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_LOCAL))) {
687 /* do nothing - driver is first of list, or first after last
689 } else if (dwPriority == (DWORD)-1 && padid->pNextACMDriverID == NULL) {
690 /* do nothing - driver is last of list */
692 MSACM_RePositionDriver(padid, dwPriority);
693 bPerformBroadcast = TRUE;
697 /* Check whether driver ID should be enabled or disabled */
698 if (fdwPriority & ACM_DRIVERPRIORITYF_DISABLE) {
699 if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED)) {
700 padid->fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
701 bPerformBroadcast = TRUE;
703 } else if (fdwPriority & ACM_DRIVERPRIORITYF_ENABLE) {
704 if (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) {
705 padid->fdwSupport &= ~ACMDRIVERDETAILS_SUPPORTF_DISABLED;
706 bPerformBroadcast = TRUE;
713 return MMSYSERR_NOTSUPPORTED;
716 /* Check whether notify window should be enabled or disabled */
717 if (fdwPriority & ACM_DRIVERPRIORITYF_DISABLE) {
718 if (!(panwnd->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED)) {
719 panwnd->fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
720 bPerformBroadcast = TRUE;
722 } else if (fdwPriority & ACM_DRIVERPRIORITYF_ENABLE) {
723 if (panwnd->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) {
724 panwnd->fdwSupport &= ~ACMDRIVERDETAILS_SUPPORTF_DISABLED;
725 bPerformBroadcast = TRUE;
730 /* Perform broadcast of changes */
731 if (bPerformBroadcast) {
732 MSACM_WriteCurrentPriorities();
733 MSACM_BroadcastNotification();
735 return MMSYSERR_NOERROR;
739 /***********************************************************************
740 * acmDriverRemove (MSACM32.@)
742 MMRESULT WINAPI acmDriverRemove(HACMDRIVERID hadid, DWORD fdwRemove)
744 PWINE_ACMDRIVERID padid;
745 PWINE_ACMNOTIFYWND panwnd;
747 TRACE("(%p, %08x)\n", hadid, fdwRemove);
749 padid = MSACM_GetDriverID(hadid);
750 panwnd = MSACM_GetNotifyWnd(hadid);
751 if (!padid && !panwnd) {
752 WARN("invalid handle\n");
753 return MMSYSERR_INVALHANDLE;
757 WARN("invalid flag\n");
758 return MMSYSERR_INVALFLAG;
761 if (padid) MSACM_UnregisterDriver(padid);
762 if (panwnd) MSACM_UnRegisterNotificationWindow(panwnd);
763 MSACM_BroadcastNotification();
765 return MMSYSERR_NOERROR;