Finish any pending WaitCommEvents if the event mask is set to 0.
[wine.git] / dlls / msacm / driver.c
blob24f69159046eb73e7d0e68f31fe643df9c2d8438
1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
3 /*
4 * MSACM32 library
6 * Copyright 1998 Patrik Stridvall
7 * 1999 Eric Pouech
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #include <stdio.h>
26 #include "winbase.h"
27 #include "winerror.h"
28 #include "windef.h"
29 #include "wingdi.h"
30 #include "winuser.h"
31 #include "winnls.h"
32 #include "mmsystem.h"
33 #include "msacm.h"
34 #include "msacmdrv.h"
35 #include "wineacm.h"
36 #include "winreg.h"
37 #include "wine/debug.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(msacm);
41 /***********************************************************************
42 * acmDriverAddA (MSACM32.@)
44 MMRESULT WINAPI acmDriverAddA(PHACMDRIVERID phadid, HINSTANCE hinstModule,
45 LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
47 if (!phadid)
48 return MMSYSERR_INVALPARAM;
50 /* Check if any unknown flags */
51 if (fdwAdd &
52 ~(ACM_DRIVERADDF_FUNCTION|ACM_DRIVERADDF_NOTIFYHWND|
53 ACM_DRIVERADDF_GLOBAL))
54 return MMSYSERR_INVALFLAG;
56 /* Check if any incompatible flags */
57 if ((fdwAdd & ACM_DRIVERADDF_FUNCTION) &&
58 (fdwAdd & ACM_DRIVERADDF_NOTIFYHWND))
59 return MMSYSERR_INVALFLAG;
61 /* FIXME: in fact, should GetModuleFileName(hinstModule) and do a
62 * LoadDriver on it, to be sure we can call SendDriverMessage on the
63 * hDrvr handle.
65 *phadid = (HACMDRIVERID) MSACM_RegisterDriver(NULL, NULL, hinstModule);
67 /* FIXME: lParam, dwPriority and fdwAdd ignored */
69 return MMSYSERR_NOERROR;
72 /***********************************************************************
73 * acmDriverAddW (MSACM32.@)
74 * FIXME
75 * Not implemented
77 MMRESULT WINAPI acmDriverAddW(PHACMDRIVERID phadid, HINSTANCE hinstModule,
78 LPARAM lParam, DWORD dwPriority, DWORD fdwAdd)
80 FIXME("(%p, 0x%08x, %ld, %ld, %ld): stub\n",
81 phadid, hinstModule, lParam, dwPriority, fdwAdd);
83 SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
84 return MMSYSERR_ERROR;
87 /***********************************************************************
88 * acmDriverClose (MSACM32.@)
90 MMRESULT WINAPI acmDriverClose(HACMDRIVER had, DWORD fdwClose)
92 PWINE_ACMDRIVER pad;
93 PWINE_ACMDRIVERID padid;
94 PWINE_ACMDRIVER* tpad;
96 if (fdwClose)
97 return MMSYSERR_INVALFLAG;
99 pad = MSACM_GetDriver(had);
100 if (!pad)
101 return MMSYSERR_INVALHANDLE;
103 padid = pad->obj.pACMDriverID;
105 /* remove driver from list */
106 for (tpad = &(padid->pACMDriverList); *tpad; *tpad = (*tpad)->pNextACMDriver) {
107 if (*tpad == pad) {
108 *tpad = (*tpad)->pNextACMDriver;
109 break;
113 /* close driver if it has been opened */
114 if (pad->hDrvr && !padid->hInstModule)
115 CloseDriver(pad->hDrvr, 0, 0);
117 HeapFree(MSACM_hHeap, 0, pad);
119 return MMSYSERR_NOERROR;
122 /***********************************************************************
123 * acmDriverDetailsA (MSACM32.@)
125 MMRESULT WINAPI acmDriverDetailsA(HACMDRIVERID hadid, PACMDRIVERDETAILSA padd, DWORD fdwDetails)
127 MMRESULT mmr;
128 ACMDRIVERDETAILSW addw;
130 addw.cbStruct = sizeof(addw);
131 mmr = acmDriverDetailsW(hadid, &addw, fdwDetails);
132 if (mmr == 0) {
133 padd->fccType = addw.fccType;
134 padd->fccComp = addw.fccComp;
135 padd->wMid = addw.wMid;
136 padd->wPid = addw.wPid;
137 padd->vdwACM = addw.vdwACM;
138 padd->vdwDriver = addw.vdwDriver;
139 padd->fdwSupport = addw.fdwSupport;
140 padd->cFormatTags = addw.cFormatTags;
141 padd->cFilterTags = addw.cFilterTags;
142 padd->hicon = addw.hicon;
143 WideCharToMultiByte( CP_ACP, 0, addw.szShortName, -1, padd->szShortName,
144 sizeof(padd->szShortName), NULL, NULL );
145 WideCharToMultiByte( CP_ACP, 0, addw.szLongName, -1, padd->szLongName,
146 sizeof(padd->szLongName), NULL, NULL );
147 WideCharToMultiByte( CP_ACP, 0, addw.szCopyright, -1, padd->szCopyright,
148 sizeof(padd->szCopyright), NULL, NULL );
149 WideCharToMultiByte( CP_ACP, 0, addw.szLicensing, -1, padd->szLicensing,
150 sizeof(padd->szLicensing), NULL, NULL );
151 WideCharToMultiByte( CP_ACP, 0, addw.szFeatures, -1, padd->szFeatures,
152 sizeof(padd->szFeatures), NULL, NULL );
154 return mmr;
157 /***********************************************************************
158 * acmDriverDetailsW (MSACM32.@)
160 MMRESULT WINAPI acmDriverDetailsW(HACMDRIVERID hadid, PACMDRIVERDETAILSW padd, DWORD fdwDetails)
162 HACMDRIVER acmDrvr;
163 MMRESULT mmr;
165 if (fdwDetails)
166 return MMSYSERR_INVALFLAG;
168 mmr = acmDriverOpen(&acmDrvr, hadid, 0);
169 if (mmr == MMSYSERR_NOERROR) {
170 mmr = (MMRESULT)MSACM_Message(acmDrvr, ACMDM_DRIVER_DETAILS, (LPARAM)padd, 0);
172 acmDriverClose(acmDrvr, 0);
175 return mmr;
178 /***********************************************************************
179 * acmDriverEnum (MSACM32.@)
181 MMRESULT WINAPI acmDriverEnum(ACMDRIVERENUMCB fnCallback, DWORD dwInstance, DWORD fdwEnum)
183 PWINE_ACMDRIVERID padid;
184 DWORD fdwSupport;
186 if (!fnCallback) return MMSYSERR_INVALPARAM;
188 if (fdwEnum & ~(ACM_DRIVERENUMF_NOLOCAL|ACM_DRIVERENUMF_DISABLED))
189 return MMSYSERR_INVALFLAG;
191 for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
192 fdwSupport = padid->fdwSupport;
194 if (padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) {
195 if (fdwEnum & ACM_DRIVERENUMF_DISABLED)
196 fdwSupport |= ACMDRIVERDETAILS_SUPPORTF_DISABLED;
197 else
198 continue;
200 if (!(*fnCallback)((HACMDRIVERID)padid, dwInstance, fdwSupport))
201 break;
204 return MMSYSERR_NOERROR;
207 /***********************************************************************
208 * acmDriverID (MSACM32.@)
210 MMRESULT WINAPI acmDriverID(HACMOBJ hao, PHACMDRIVERID phadid, DWORD fdwDriverID)
212 PWINE_ACMOBJ pao;
214 if (!phadid)
215 return MMSYSERR_INVALPARAM;
217 if (fdwDriverID)
218 return MMSYSERR_INVALFLAG;
220 pao = MSACM_GetObj(hao, WINE_ACMOBJ_DONTCARE);
221 if (!pao)
222 return MMSYSERR_INVALHANDLE;
224 *phadid = (HACMDRIVERID) pao->pACMDriverID;
226 return MMSYSERR_NOERROR;
229 /***********************************************************************
230 * acmDriverMessage (MSACM32.@)
233 LRESULT WINAPI acmDriverMessage(HACMDRIVER had, UINT uMsg, LPARAM lParam1, LPARAM lParam2)
235 if ((uMsg >= ACMDM_USER && uMsg < ACMDM_RESERVED_LOW) ||
236 uMsg == ACMDM_DRIVER_ABOUT ||
237 uMsg == DRV_QUERYCONFIGURE ||
238 uMsg == DRV_CONFIGURE)
239 return MSACM_Message(had, uMsg, lParam1, lParam2);
240 return MMSYSERR_INVALPARAM;
243 static MMRESULT MSACM_DriverOpenHelper(PWINE_ACMDRIVER* ppad, PWINE_ACMDRIVERID padid, DWORD fdwOpen, BOOL useDesc)
245 MMRESULT ret = MMSYSERR_ERROR;
246 PWINE_ACMDRIVER pad;
248 *ppad = NULL;
250 pad = HeapAlloc(MSACM_hHeap, 0, sizeof(WINE_ACMDRIVER));
251 if (!pad) return MMSYSERR_NOMEM;
253 pad->obj.dwType = WINE_ACMOBJ_DRIVER;
254 pad->obj.pACMDriverID = padid;
256 if (!(pad->hDrvr = padid->hInstModule)) {
257 /* this is not an externally added driver... need to load it */
258 if (!padid->pszDriverAlias) goto gotError;
260 if (useDesc) {
261 ACMDRVOPENDESCW adod;
262 int len;
264 adod.cbStruct = sizeof(adod);
265 adod.fccType = ACMDRIVERDETAILS_FCCTYPE_AUDIOCODEC;
266 adod.fccComp = ACMDRIVERDETAILS_FCCCOMP_UNDEFINED;
267 adod.dwVersion = acmGetVersion();
268 adod.dwFlags = fdwOpen;
269 adod.dwError = 0;
270 len = strlen("Drivers32") + 1;
271 adod.pszSectionName = HeapAlloc(MSACM_hHeap, 0, len * sizeof(WCHAR));
272 MultiByteToWideChar(CP_ACP, 0, "Drivers32", -1, (LPWSTR)adod.pszSectionName, len);
273 len = strlen(padid->pszDriverAlias) + 1;
274 adod.pszAliasName = HeapAlloc(MSACM_hHeap, 0, len * sizeof(WCHAR));
275 MultiByteToWideChar(CP_ACP, 0, padid->pszDriverAlias, -1, (LPWSTR)adod.pszAliasName, len);
276 adod.dnDevNode = 0;
278 pad->hDrvr = OpenDriverA(padid->pszDriverAlias, NULL, (DWORD)&adod);
280 HeapFree(MSACM_hHeap, 0, (LPWSTR)adod.pszSectionName);
281 HeapFree(MSACM_hHeap, 0, (LPWSTR)adod.pszAliasName);
282 if (!pad->hDrvr) {
283 ret = adod.dwError;
284 goto gotError;
286 } else {
287 if (!(pad->hDrvr = OpenDriverA(padid->pszDriverAlias, 0L, 0L))) {
288 ret = MMSYSERR_ERROR;
289 goto gotError;
293 *ppad = pad;
294 return MMSYSERR_NOERROR;
295 gotError:
296 HeapFree(MSACM_hHeap, 0, pad);
297 return ret;
300 /***********************************************************************
301 * acmDriverOpen (MSACM32.@)
303 MMRESULT WINAPI acmDriverOpen(PHACMDRIVER phad, HACMDRIVERID hadid, DWORD fdwOpen)
305 PWINE_ACMDRIVERID padid;
306 PWINE_ACMDRIVER pad = NULL, first_pad = NULL;
307 MMRESULT ret;
309 TRACE("(%p, %x, %08lu)\n", phad, hadid, fdwOpen);
311 if (!phad)
312 return MMSYSERR_INVALPARAM;
314 if (fdwOpen)
315 return MMSYSERR_INVALFLAG;
317 padid = MSACM_GetDriverID(hadid);
318 if (!padid)
319 return MMSYSERR_INVALHANDLE;
321 /* first driver to be loaded ? */
322 if (!padid->pACMDriverList && !padid->hInstModule) {
323 ret = MSACM_DriverOpenHelper(&first_pad, padid, fdwOpen, FALSE);
324 if (ret) goto gotError;
327 /* insert new pad at beg of list */
328 first_pad->pNextACMDriver = NULL;
329 padid->pACMDriverList = first_pad;
332 ret = MSACM_DriverOpenHelper(&pad, padid, fdwOpen, TRUE);
333 if (ret) {
334 if (first_pad)
335 acmDriverClose((HACMDRIVER)first_pad, 0L);
336 goto gotError;
339 /* insert new pad at beg of list */
340 pad->pNextACMDriver = padid->pACMDriverList;
341 padid->pACMDriverList = pad;
343 /* FIXME: Create a WINE_ACMDRIVER32 */
344 *phad = (HACMDRIVER)pad;
345 TRACE("'%s' => %08lx\n", padid->pszDriverAlias, (DWORD)pad);
347 return MMSYSERR_NOERROR;
348 gotError:
349 if (pad && !pad->hDrvr)
350 HeapFree(MSACM_hHeap, 0, pad);
351 return ret;
354 /***********************************************************************
355 * acmDriverPriority (MSACM32.@)
357 MMRESULT WINAPI acmDriverPriority(HACMDRIVERID hadid, DWORD dwPriority, DWORD fdwPriority)
359 PWINE_ACMDRIVERID padid;
360 CHAR szSubKey[17];
361 CHAR szBuffer[256];
362 LONG lBufferLength = sizeof(szBuffer);
363 LONG lError;
364 HKEY hPriorityKey;
365 DWORD dwPriorityCounter;
367 padid = MSACM_GetDriverID(hadid);
368 if (!padid)
369 return MMSYSERR_INVALHANDLE;
371 /* Check for unknown flags */
372 if (fdwPriority &
373 ~(ACM_DRIVERPRIORITYF_ENABLE|ACM_DRIVERPRIORITYF_DISABLE|
374 ACM_DRIVERPRIORITYF_BEGIN|ACM_DRIVERPRIORITYF_END))
375 return MMSYSERR_INVALFLAG;
377 /* Check for incompatible flags */
378 if ((fdwPriority & ACM_DRIVERPRIORITYF_ENABLE) &&
379 (fdwPriority & ACM_DRIVERPRIORITYF_DISABLE))
380 return MMSYSERR_INVALFLAG;
382 /* Check for incompatible flags */
383 if ((fdwPriority & ACM_DRIVERPRIORITYF_BEGIN) &&
384 (fdwPriority & ACM_DRIVERPRIORITYF_END))
385 return MMSYSERR_INVALFLAG;
387 lError = RegOpenKeyA(HKEY_CURRENT_USER,
388 "Software\\Microsoft\\Multimedia\\"
389 "Audio Compression Manager\\Priority v4.00",
390 &hPriorityKey
392 /* FIXME: Create key */
393 if (lError != ERROR_SUCCESS)
394 return MMSYSERR_ERROR;
396 for (dwPriorityCounter = 1; ; dwPriorityCounter++) {
397 snprintf(szSubKey, 17, "Priorty%ld", dwPriorityCounter);
398 lError = RegQueryValueA(hPriorityKey, szSubKey, szBuffer, &lBufferLength);
399 if (lError != ERROR_SUCCESS)
400 break;
402 FIXME("(0x%08x, %ld, %ld): stub (partial)\n",
403 hadid, dwPriority, fdwPriority);
404 break;
407 RegCloseKey(hPriorityKey);
409 return MMSYSERR_ERROR;
412 /***********************************************************************
413 * acmDriverRemove (MSACM32.@)
415 MMRESULT WINAPI acmDriverRemove(HACMDRIVERID hadid, DWORD fdwRemove)
417 PWINE_ACMDRIVERID padid;
419 padid = MSACM_GetDriverID(hadid);
420 if (!padid)
421 return MMSYSERR_INVALHANDLE;
423 if (fdwRemove)
424 return MMSYSERR_INVALFLAG;
426 MSACM_UnregisterDriver(padid);
428 return MMSYSERR_NOERROR;