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All MCI functions are now cleanly separated.
[wine/multimedia.git] / dlls / winmm / mci.c
blobf292c111193ceb10ca69c3dda5e0767e5e894568
1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
2
3 /*
4 * MCI internal functions
5 *
6 * Copyright 1998/1999 Eric Pouech
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Lesser General Public
10 * License as published by the Free Software Foundation; either
11 * version 2.1 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Lesser General Public License for more details.
17 *
18 * You should have received a copy of the GNU Lesser General Public
19 * License along with this library; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 */
22
23 #include "config.h"
24 #include "wine/port.h"
25
26 #include <stdlib.h>
27 #include <stdio.h>
28 #include <string.h>
29
30 #include "mmsystem.h"
31 #include "winbase.h"
32 #include "wingdi.h"
33 #include "winreg.h"
34 #include "winuser.h"
35 #include "winnls.h"
36
37 #include "digitalv.h"
38 #include "winemm.h"
39
40 #include "wine/debug.h"
41
42 WINE_DEFAULT_DEBUG_CHANNEL(mci);
43
44 static int MCI_InstalledCount;
45 static LPSTR MCI_lpInstallNames /* = NULL */;
46
47 WINMM_MapType (*pFnMciMapMsg16To32A) (WORD,WORD,DWORD*) /* = NULL */;
48 WINMM_MapType (*pFnMciUnMapMsg16To32A)(WORD,WORD,DWORD) /* = NULL */;
49 WINMM_MapType (*pFnMciMapMsg32ATo16) (WORD,WORD,DWORD,DWORD*) /* = NULL */;
50 WINMM_MapType (*pFnMciUnMapMsg32ATo16)(WORD,WORD,DWORD,DWORD) /* = NULL */;
51
52 /* First MCI valid device ID (0 means error) */
53 #define MCI_MAGIC 0x0001
54
55 /* dup a string and uppercase it */
56 inline static LPSTR str_dup_upper( LPCSTR str )
57 {
58 INT len = strlen(str) + 1;
59 LPSTR p = HeapAlloc( GetProcessHeap(), 0, len );
60 if (p)
61 {
62 memcpy( p, str, len );
63 CharUpperA( p );
64 }
65 return p;
66 }
67
68 /**************************************************************************
69 * MCI_GetDriver [internal]
70 */
71 LPWINE_MCIDRIVER MCI_GetDriver(UINT16 wDevID)
72 {
73 LPWINE_MCIDRIVER wmd = 0;
74
75 EnterCriticalSection(&WINMM_IData->cs);
76 for (wmd = WINMM_IData->lpMciDrvs; wmd; wmd = wmd->lpNext) {
77 if (wmd->wDeviceID == wDevID)
78 break;
79 }
80 LeaveCriticalSection(&WINMM_IData->cs);
81 return wmd;
82 }
83
84 /**************************************************************************
85 * MCI_GetDriverFromString [internal]
86 */
87 UINT MCI_GetDriverFromString(LPCSTR lpstrName)
88 {
89 LPWINE_MCIDRIVER wmd;
90 UINT ret = 0;
91
92 if (!lpstrName)
93 return 0;
94
95 if (!lstrcmpiA(lpstrName, "ALL"))
96 return MCI_ALL_DEVICE_ID;
97
98 EnterCriticalSection(&WINMM_IData->cs);
99 for (wmd = WINMM_IData->lpMciDrvs; wmd; wmd = wmd->lpNext) {
100 if (wmd->lpstrElementName && strcmp(wmd->lpstrElementName, lpstrName) == 0) {
101 ret = wmd->wDeviceID;
102 break;
103 }
104 if (wmd->lpstrDeviceType && strcasecmp(wmd->lpstrDeviceType, lpstrName) == 0) {
105 ret = wmd->wDeviceID;
106 break;
107 }
108 if (wmd->lpstrAlias && strcasecmp(wmd->lpstrAlias, lpstrName) == 0) {
109 ret = wmd->wDeviceID;
110 break;
111 }
112 }
113 LeaveCriticalSection(&WINMM_IData->cs);
114
115 return ret;
116 }
117
118 /**************************************************************************
119 * MCI_MessageToString [internal]
120 */
121 const char* MCI_MessageToString(UINT16 wMsg)
122 {
123 static char buffer[100];
124
125 #define CASE(s) case (s): return #s
126
127 switch (wMsg) {
128 CASE(MCI_BREAK);
129 CASE(MCI_CLOSE);
130 CASE(MCI_CLOSE_DRIVER);
131 CASE(MCI_COPY);
132 CASE(MCI_CUE);
133 CASE(MCI_CUT);
134 CASE(MCI_DELETE);
135 CASE(MCI_ESCAPE);
136 CASE(MCI_FREEZE);
137 CASE(MCI_PAUSE);
138 CASE(MCI_PLAY);
139 CASE(MCI_GETDEVCAPS);
140 CASE(MCI_INFO);
141 CASE(MCI_LOAD);
142 CASE(MCI_OPEN);
143 CASE(MCI_OPEN_DRIVER);
144 CASE(MCI_PASTE);
145 CASE(MCI_PUT);
146 CASE(MCI_REALIZE);
147 CASE(MCI_RECORD);
148 CASE(MCI_RESUME);
149 CASE(MCI_SAVE);
150 CASE(MCI_SEEK);
151 CASE(MCI_SET);
152 CASE(MCI_SPIN);
153 CASE(MCI_STATUS);
154 CASE(MCI_STEP);
155 CASE(MCI_STOP);
156 CASE(MCI_SYSINFO);
157 CASE(MCI_UNFREEZE);
158 CASE(MCI_UPDATE);
159 CASE(MCI_WHERE);
160 CASE(MCI_WINDOW);
161 /* constants for digital video */
162 CASE(MCI_CAPTURE);
163 CASE(MCI_MONITOR);
164 CASE(MCI_RESERVE);
165 CASE(MCI_SETAUDIO);
166 CASE(MCI_SIGNAL);
167 CASE(MCI_SETVIDEO);
168 CASE(MCI_QUALITY);
169 CASE(MCI_LIST);
170 CASE(MCI_UNDO);
171 CASE(MCI_CONFIGURE);
172 CASE(MCI_RESTORE);
173 #undef CASE
174 default:
175 sprintf(buffer, "MCI_<<%04X>>", wMsg);
176 return buffer;
177 }
178 }
179
180 /**************************************************************************
181 * MCI_GetDevTypeFromFileName [internal]
182 */
183 static DWORD MCI_GetDevTypeFromFileName(LPCSTR fileName, LPSTR buf, UINT len)
184 {
185 LPSTR tmp;
186
187 if ((tmp = strrchr(fileName, '.'))) {
188 GetProfileStringA("mci extensions", tmp + 1, "*", buf, len);
189 if (strcmp(buf, "*") != 0) {
190 return 0;
191 }
192 TRACE("No [mci extensions] entry for '%s' found.\n", tmp);
193 }
194 return MCIERR_EXTENSION_NOT_FOUND;
195 }
196
197 #define MAX_MCICMDTABLE 20
198 #define MCI_COMMAND_TABLE_NOT_LOADED 0xFFFE
199
200 typedef struct tagWINE_MCICMDTABLE {
201 HANDLE hMem;
202 UINT uDevType;
203 LPCSTR lpTable;
204 UINT nVerbs; /* number of verbs in command table */
205 LPCSTR* aVerbs; /* array of verbs to speed up the verb look up process */
206 } WINE_MCICMDTABLE, *LPWINE_MCICMDTABLE;
207 WINE_MCICMDTABLE S_MciCmdTable[MAX_MCICMDTABLE];
208
209 /**************************************************************************
210 * MCI_IsCommandTableValid [internal]
211 */
212 static BOOL MCI_IsCommandTableValid(UINT uTbl)
213 {
214 LPCSTR lmem, str;
215 DWORD flg;
216 WORD eid;
217 int idx = 0;
218 BOOL inCst = FALSE;
219
220 TRACE("Dumping cmdTbl=%d [hMem=%08x devType=%d]\n",
221 uTbl, S_MciCmdTable[uTbl].hMem, S_MciCmdTable[uTbl].uDevType);
222
223 if (uTbl >= MAX_MCICMDTABLE || !S_MciCmdTable[uTbl].hMem || !S_MciCmdTable[uTbl].lpTable)
224 return FALSE;
225
226 lmem = S_MciCmdTable[uTbl].lpTable;
227 do {
228 do {
229 str = lmem;
230 lmem += strlen(lmem) + 1;
231 flg = *(LPDWORD)lmem;
232 eid = *(LPWORD)(lmem + sizeof(DWORD));
233 lmem += sizeof(DWORD) + sizeof(WORD);
234 idx ++;
235 /* EPP TRACE("cmd='%s' %08lx %04x\n", str, flg, eid); */
236 switch (eid) {
237 case MCI_COMMAND_HEAD: if (!*str || !flg) return FALSE; idx = 0; break; /* check unicity of str in table */
238 case MCI_STRING: if (inCst) return FALSE; break;
239 case MCI_INTEGER: if (!*str) return FALSE; break;
240 case MCI_END_COMMAND: if (*str || flg || idx == 0) return FALSE; idx = 0; break;
241 case MCI_RETURN: if (*str || idx != 1) return FALSE; break;
242 case MCI_FLAG: if (!*str) return FALSE; break;
243 case MCI_END_COMMAND_LIST: if (*str || flg) return FALSE; idx = 0; break;
244 case MCI_RECT: if (!*str || inCst) return FALSE; break;
245 case MCI_CONSTANT: if (inCst) return FALSE; inCst = TRUE; break;
246 case MCI_END_CONSTANT: if (*str || flg || !inCst) return FALSE; inCst = FALSE; break;
247 default: return FALSE;
248 }
249 } while (eid != MCI_END_COMMAND_LIST);
250 } while (eid != MCI_END_COMMAND_LIST);
251 return TRUE;
252 }
253
254 /**************************************************************************
255 * MCI_DumpCommandTable [internal]
256 */
257 static BOOL MCI_DumpCommandTable(UINT uTbl)
258 {
259 LPCSTR lmem;
260 LPCSTR str;
261 DWORD flg;
262 WORD eid;
263
264 if (!MCI_IsCommandTableValid(uTbl)) {
265 ERR("Ooops: %d is not valid\n", uTbl);
266 return FALSE;
267 }
268
269 lmem = S_MciCmdTable[uTbl].lpTable;
270 do {
271 do {
272 str = lmem;
273 lmem += strlen(lmem) + 1;
274 flg = *(LPDWORD)lmem;
275 eid = *(LPWORD)(lmem + sizeof(DWORD));
276 TRACE("cmd='%s' %08lx %04x\n", str, flg, eid);
277 lmem += sizeof(DWORD) + sizeof(WORD);
278 } while (eid != MCI_END_COMMAND && eid != MCI_END_COMMAND_LIST);
279 TRACE(" => end of command%s\n", (eid == MCI_END_COMMAND_LIST) ? " list" : "");
280 } while (eid != MCI_END_COMMAND_LIST);
281 return TRUE;
282 }
283
284 static UINT MCI_SetCommandTable(HANDLE hMem, UINT uDevType);
285
286 /**************************************************************************
287 * MCI_GetCommandTable [internal]
288 */
289 static UINT MCI_GetCommandTable(UINT uDevType)
290 {
291 UINT uTbl;
292 char buf[32];
293 LPSTR str = NULL;
294
295 /* first look up existing for existing devType */
296 for (uTbl = 0; uTbl < MAX_MCICMDTABLE; uTbl++) {
297 if (S_MciCmdTable[uTbl].hMem && S_MciCmdTable[uTbl].uDevType == uDevType)
298 return uTbl;
299 }
300
301 /* well try to load id */
302 if (uDevType >= MCI_DEVTYPE_FIRST && uDevType <= MCI_DEVTYPE_LAST) {
303 if (LoadStringA(WINMM_IData->hWinMM32Instance, uDevType, buf, sizeof(buf))) {
304 str = buf;
305 }
306 } else if (uDevType == 0) {
307 str = "CORE";
308 }
309 uTbl = MCI_NO_COMMAND_TABLE;
310 if (str) {
311 HRSRC hRsrc = FindResourceA(WINMM_IData->hWinMM32Instance, str, (LPCSTR)RT_RCDATAA);
312 HANDLE hMem = 0;
313
314 if (hRsrc) hMem = LoadResource(WINMM_IData->hWinMM32Instance, hRsrc);
315 if (hMem) {
316 uTbl = MCI_SetCommandTable(hMem, uDevType);
317 } else {
318 WARN("No command table found in resource %04x[%s]\n",
319 WINMM_IData->hWinMM32Instance, str);
320 }
321 }
322 TRACE("=> %d\n", uTbl);
323 return uTbl;
324 }
325
326 /**************************************************************************
327 * MCI_SetCommandTable [internal]
328 */
329 static UINT MCI_SetCommandTable(HANDLE hMem, UINT uDevType)
330 {
331 int uTbl;
332 static BOOL bInitDone = FALSE;
333
334 /* <HACK>
335 * The CORE command table must be loaded first, so that MCI_GetCommandTable()
336 * can be called with 0 as a uDevType to retrieve it.
337 * </HACK>
338 */
339 if (!bInitDone) {
340 bInitDone = TRUE;
341 for (uTbl = 0; uTbl < MAX_MCICMDTABLE; uTbl++) {
342 S_MciCmdTable[uTbl].hMem = 0;
343 }
344 MCI_GetCommandTable(0);
345 }
346
347 for (uTbl = 0; uTbl < MAX_MCICMDTABLE; uTbl++) {
348 if (S_MciCmdTable[uTbl].hMem == 0) {
349 LPCSTR lmem, str;
350 WORD eid;
351 WORD count;
352
353 S_MciCmdTable[uTbl].hMem = hMem;
354 S_MciCmdTable[uTbl].uDevType = uDevType;
355 S_MciCmdTable[uTbl].lpTable = LockResource(hMem);
356
357 if (TRACE_ON(mci)) {
358 MCI_DumpCommandTable(uTbl);
359 }
360
361 /* create the verbs table */
362 /* get # of entries */
363 lmem = S_MciCmdTable[uTbl].lpTable;
364 count = 0;
365 do {
366 lmem += strlen(lmem) + 1;
367 eid = *(LPWORD)(lmem + sizeof(DWORD));
368 lmem += sizeof(DWORD) + sizeof(WORD);
369 if (eid == MCI_COMMAND_HEAD)
370 count++;
371 } while (eid != MCI_END_COMMAND_LIST);
372
373 S_MciCmdTable[uTbl].aVerbs = HeapAlloc(GetProcessHeap(), 0, count * sizeof(LPCSTR));
374 S_MciCmdTable[uTbl].nVerbs = count;
375
376 lmem = S_MciCmdTable[uTbl].lpTable;
377 count = 0;
378 do {
379 str = lmem;
380 lmem += strlen(lmem) + 1;
381 eid = *(LPWORD)(lmem + sizeof(DWORD));
382 lmem += sizeof(DWORD) + sizeof(WORD);
383 if (eid == MCI_COMMAND_HEAD)
384 S_MciCmdTable[uTbl].aVerbs[count++] = str;
385 } while (eid != MCI_END_COMMAND_LIST);
386 /* assert(count == S_MciCmdTable[uTbl].nVerbs); */
387 return uTbl;
388 }
389 }
390
391 return MCI_NO_COMMAND_TABLE;
392 }
393
394 /**************************************************************************
395 * MCI_DeleteCommandTable [internal]
396 */
397 static BOOL MCI_DeleteCommandTable(UINT uTbl)
398 {
399 if (uTbl >= MAX_MCICMDTABLE || !S_MciCmdTable[uTbl].hMem)
400 return FALSE;
401
402 FreeResource(S_MciCmdTable[uTbl].hMem);
403 S_MciCmdTable[uTbl].hMem = 0;
404 if (S_MciCmdTable[uTbl].aVerbs) {
405 HeapFree(GetProcessHeap(), 0, S_MciCmdTable[uTbl].aVerbs);
406 S_MciCmdTable[uTbl].aVerbs = 0;
407 }
408 return TRUE;
409 }
410
411 /**************************************************************************
412 * MCI_UnLoadMciDriver [internal]
413 */
414 static BOOL MCI_UnLoadMciDriver(LPWINE_MCIDRIVER wmd)
415 {
416 LPWINE_MCIDRIVER* tmp;
417
418 if (!wmd)
419 return TRUE;
420
421 CloseDriver(wmd->hDriver, 0, 0);
422
423 if (wmd->dwPrivate != 0)
424 WARN("Unloading mci driver with non nul dwPrivate field\n");
425
426 EnterCriticalSection(&WINMM_IData->cs);
427 for (tmp = &WINMM_IData->lpMciDrvs; *tmp; tmp = &(*tmp)->lpNext) {
428 if (*tmp == wmd) {
429 *tmp = wmd->lpNext;
430 break;
431 }
432 }
433 LeaveCriticalSection(&WINMM_IData->cs);
434
435 HeapFree(GetProcessHeap(), 0, wmd->lpstrDeviceType);
436 HeapFree(GetProcessHeap(), 0, wmd->lpstrAlias);
437 HeapFree(GetProcessHeap(), 0, wmd->lpstrElementName);
438
439 HeapFree(GetProcessHeap(), 0, wmd);
440 return TRUE;
441 }
442
443 /**************************************************************************
444 * MCI_OpenMciDriver [internal]
445 */
446 static BOOL MCI_OpenMciDriver(LPWINE_MCIDRIVER wmd, LPCSTR drvTyp, LPARAM lp)
447 {
448 char libName[128];
449
450 if (!DRIVER_GetLibName(drvTyp, "mci", libName, sizeof(libName)))
451 return FALSE;
452
453 wmd->bIs32 = 0xFFFF;
454 /* First load driver */
455 if ((wmd->hDriver = (HDRVR)DRIVER_TryOpenDriver32(libName, lp))) {
456 wmd->bIs32 = TRUE;
457 } else if (WINMM_CheckForMMSystem() && pFnMciMapMsg32ATo16) {
458 WINMM_MapType res;
459
460 switch (res = pFnMciMapMsg32ATo16(0, DRV_OPEN, 0, &lp)) {
461 case WINMM_MAP_MSGERROR:
462 TRACE("Not handled yet (DRV_OPEN)\n");
463 break;
464 case WINMM_MAP_NOMEM:
465 TRACE("Problem mapping msg=DRV_OPEN from 32a to 16\n");
466 break;
467 case WINMM_MAP_OK:
468 case WINMM_MAP_OKMEM:
469 if ((wmd->hDriver = OpenDriverA(drvTyp, "mci", lp)))
470 wmd->bIs32 = FALSE;
471 if (res == WINMM_MAP_OKMEM)
472 pFnMciUnMapMsg32ATo16(0, DRV_OPEN, 0, lp);
473 break;
474 }
475 }
476 return (wmd->bIs32 == 0xFFFF) ? FALSE : TRUE;
477 }
478
479 /**************************************************************************
480 * MCI_LoadMciDriver [internal]
481 */
482 static DWORD MCI_LoadMciDriver(LPCSTR _strDevTyp, LPWINE_MCIDRIVER* lpwmd)
483 {
484 LPSTR strDevTyp = str_dup_upper(_strDevTyp);
485 LPWINE_MCIDRIVER wmd = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*wmd));
486 MCI_OPEN_DRIVER_PARMSA modp;
487 DWORD dwRet = 0;
488
489 if (!wmd || !strDevTyp) {
490 dwRet = MCIERR_OUT_OF_MEMORY;
491 goto errCleanUp;
492 }
493
494 wmd->lpfnYieldProc = MCI_DefYieldProc;
495 wmd->dwYieldData = VK_CANCEL;
496 wmd->CreatorThread = GetCurrentThreadId();
497
498 EnterCriticalSection(&WINMM_IData->cs);
499 /* wmd must be inserted in list before sending opening the driver, coz' it
500 * may want to lookup at wDevID
501 */
502 wmd->lpNext = WINMM_IData->lpMciDrvs;
503 WINMM_IData->lpMciDrvs = wmd;
504
505 for (modp.wDeviceID = MCI_MAGIC;
506 MCI_GetDriver(modp.wDeviceID) != 0;
507 modp.wDeviceID++);
508
509 wmd->wDeviceID = modp.wDeviceID;
510
511 LeaveCriticalSection(&WINMM_IData->cs);
512
513 TRACE("wDevID=%04X \n", modp.wDeviceID);
514
515 modp.lpstrParams = NULL;
516
517 if (!MCI_OpenMciDriver(wmd, strDevTyp, (LPARAM)&modp)) {
518 /* silence warning if all is used... some bogus program use commands like
519 * 'open all'...
520 */
521 if (strcasecmp(strDevTyp, "all") != 0) {
522 dwRet = MCIERR_CANNOT_USE_ALL;
523 } else {
524 FIXME("Couldn't load driver for type %s.\n"
525 "If you don't have a windows installation accessible from Wine,\n"
526 "you perhaps forgot to create a [mci] section in system.ini\n",
527 strDevTyp);
528 dwRet = MCIERR_DEVICE_NOT_INSTALLED;
529 }
530 goto errCleanUp;
531 }
532
533 /* FIXME: should also check that module's description is of the form
534 * MODULENAME:[MCI] comment
535 */
536
537 /* some drivers will return 0x0000FFFF, some others 0xFFFFFFFF */
538 wmd->uSpecificCmdTable = LOWORD(modp.wCustomCommandTable);
539 wmd->uTypeCmdTable = MCI_COMMAND_TABLE_NOT_LOADED;
540
541 TRACE("Loaded driver %x (%s), type is %d, cmdTable=%08x\n",
542 wmd->hDriver, strDevTyp, modp.wType, modp.wCustomCommandTable);
543
544 wmd->lpstrDeviceType = strDevTyp;
545 wmd->wType = modp.wType;
546
547 TRACE("mcidev=%d, uDevTyp=%04X wDeviceID=%04X !\n",
548 modp.wDeviceID, modp.wType, modp.wDeviceID);
549 *lpwmd = wmd;
550 return 0;
551 errCleanUp:
552 MCI_UnLoadMciDriver(wmd);
553 HeapFree(GetProcessHeap(), 0, strDevTyp);
554 *lpwmd = 0;
555 return dwRet;
556 }
557
558 /**************************************************************************
559 * MCI_FinishOpen [internal]
560 */
561 static DWORD MCI_FinishOpen(LPWINE_MCIDRIVER wmd, LPMCI_OPEN_PARMSA lpParms,
562 DWORD dwParam)
563 {
564 if (dwParam & MCI_OPEN_ELEMENT)
565 {
566 wmd->lpstrElementName = HeapAlloc(GetProcessHeap(),0,strlen(lpParms->lpstrElementName)+1);
567 strcpy( wmd->lpstrElementName, lpParms->lpstrElementName );
568 }
569 if (dwParam & MCI_OPEN_ALIAS)
570 {
571 wmd->lpstrAlias = HeapAlloc(GetProcessHeap(), 0, strlen(lpParms->lpstrAlias)+1);
572 strcpy( wmd->lpstrAlias, lpParms->lpstrAlias);
573 }
574 lpParms->wDeviceID = wmd->wDeviceID;
575
576 return MCI_SendCommandFrom32(wmd->wDeviceID, MCI_OPEN_DRIVER, dwParam,
577 (DWORD)lpParms);
578 }
579
580 /**************************************************************************
581 * MCI_FindCommand [internal]
582 */
583 static LPCSTR MCI_FindCommand(UINT uTbl, LPCSTR verb)
584 {
585 UINT idx;
586
587 if (uTbl >= MAX_MCICMDTABLE || S_MciCmdTable[uTbl].hMem == 0)
588 return NULL;
589
590 /* another improvement would be to have the aVerbs array sorted,
591 * so that we could use a dichotomic search on it, rather than this dumb
592 * array look up
593 */
594 for (idx = 0; idx < S_MciCmdTable[uTbl].nVerbs; idx++) {
595 if (strcmp(S_MciCmdTable[uTbl].aVerbs[idx], verb) == 0)
596 return S_MciCmdTable[uTbl].aVerbs[idx];
597 }
598
599 return NULL;
600 }
601
602 /**************************************************************************
603 * MCI_GetReturnType [internal]
604 */
605 static DWORD MCI_GetReturnType(LPCSTR lpCmd)
606 {
607 lpCmd += strlen(lpCmd) + 1 + sizeof(DWORD) + sizeof(WORD);
608 if (*lpCmd == '\0' && *(LPWORD)(lpCmd + 1 + sizeof(DWORD)) == MCI_RETURN) {
609 return *(LPDWORD)(lpCmd + 1);
610 }
611 return 0L;
612 }
613
614 /**************************************************************************
615 * MCI_GetMessage [internal]
616 */
617 static WORD MCI_GetMessage(LPCSTR lpCmd)
618 {
619 return (WORD)*(LPDWORD)(lpCmd + strlen(lpCmd) + 1);
620 }
621
622 /**************************************************************************
623 * MCI_GetDWord [internal]
624 */
625 static BOOL MCI_GetDWord(LPDWORD data, LPSTR* ptr)
626 {
627 DWORD val;
628 LPSTR ret;
629
630 val = strtoul(*ptr, &ret, 0);
631
632 switch (*ret) {
633 case '\0': break;
634 case ' ': ret++; break;
635 default: return FALSE;
636 }
637
638 *data |= val;
639 *ptr = ret;
640 return TRUE;
641 }
642
643 /**************************************************************************
644 * MCI_GetString [internal]
645 */
646 static DWORD MCI_GetString(LPSTR* str, LPSTR* args)
647 {
648 LPSTR ptr = *args;
649
650 /* see if we have a quoted string */
651 if (*ptr == '"') {
652 ptr = strchr(*str = ptr + 1, '"');
653 if (!ptr) return MCIERR_NO_CLOSING_QUOTE;
654 /* FIXME: shall we escape \" from string ?? */
655 if (ptr[-1] == '\\') TRACE("Ooops: un-escaped \"\n");
656 *ptr++ = '\0'; /* remove trailing " */
657 if (*ptr != ' ' && *ptr != '\0') return MCIERR_EXTRA_CHARACTERS;
658 *ptr++ = '\0';
659 } else {
660 ptr = strchr(ptr, ' ');
661
662 if (ptr) {
663 *ptr++ = '\0';
664 } else {
665 ptr = *args + strlen(*args);
666 }
667 *str = *args;
668 }
669
670 *args = ptr;
671 return 0;
672 }
673
674 #define MCI_DATA_SIZE 16
675
676 /**************************************************************************
677 * MCI_ParseOptArgs [internal]
678 */
679 static DWORD MCI_ParseOptArgs(LPDWORD data, int _offset, LPCSTR lpCmd,
680 LPSTR args, LPDWORD dwFlags)
681 {
682 int len, offset;
683 LPCSTR lmem, str;
684 DWORD dwRet, flg, cflg = 0;
685 WORD eid;
686 BOOL inCst, found;
687
688 /* loop on arguments */
689 while (*args) {
690 lmem = lpCmd;
691 found = inCst = FALSE;
692 offset = _offset;
693
694 /* skip any leading white space(s) */
695 while (*args == ' ') args++;
696 TRACE("args='%s' offset=%d\n", args, offset);
697
698 do { /* loop on options for command table for the requested verb */
699 str = lmem;
700 lmem += (len = strlen(lmem)) + 1;
701 flg = *(LPDWORD)lmem;
702 eid = *(LPWORD)(lmem + sizeof(DWORD));
703 lmem += sizeof(DWORD) + sizeof(WORD);
704 /* EPP TRACE("\tcmd='%s' inCst=%c eid=%04x\n", str, inCst ? 'Y' : 'N', eid); */
705
706 switch (eid) {
707 case MCI_CONSTANT:
708 inCst = TRUE; cflg = flg; break;
709 case MCI_END_CONSTANT:
710 /* there may be additional integral values after flag in constant */
711 if (inCst && MCI_GetDWord(&(data[offset]), &args)) {
712 *dwFlags |= cflg;
713 }
714 inCst = FALSE; cflg = 0;
715 break;
716 }
717
718 if (strncasecmp(args, str, len) == 0 &&
719 (args[len] == 0 || args[len] == ' ')) {
720 /* store good values into data[] */
721 args += len;
722 while (*args == ' ') args++;
723 found = TRUE;
724
725 switch (eid) {
726 case MCI_COMMAND_HEAD:
727 case MCI_RETURN:
728 case MCI_END_COMMAND:
729 case MCI_END_COMMAND_LIST:
730 case MCI_CONSTANT: /* done above */
731 case MCI_END_CONSTANT: /* done above */
732 break;
733 case MCI_FLAG:
734 *dwFlags |= flg;
735 break;
736 case MCI_INTEGER:
737 if (inCst) {
738 data[offset] |= flg;
739 *dwFlags |= cflg;
740 inCst = FALSE;
741 } else {
742 *dwFlags |= flg;
743 if (!MCI_GetDWord(&(data[offset]), &args)) {
744 return MCIERR_BAD_INTEGER;
745 }
746 }
747 break;
748 case MCI_RECT:
749 /* store rect in data (offset...offset+3) */
750 *dwFlags |= flg;
751 if (!MCI_GetDWord(&(data[offset+0]), &args) ||
752 !MCI_GetDWord(&(data[offset+1]), &args) ||
753 !MCI_GetDWord(&(data[offset+2]), &args) ||
754 !MCI_GetDWord(&(data[offset+3]), &args)) {
755 ERR("Bad rect '%s'\n", args);
756 return MCIERR_BAD_INTEGER;
757 }
758 break;
759 case MCI_STRING:
760 *dwFlags |= flg;
761 if ((dwRet = MCI_GetString((LPSTR*)&data[offset], &args)))
762 return dwRet;
763 break;
764 default: ERR("oops\n");
765 }
766 /* exit inside while loop, except if just entered in constant area definition */
767 if (!inCst || eid != MCI_CONSTANT) eid = MCI_END_COMMAND;
768 } else {
769 /* have offset incremented if needed */
770 switch (eid) {
771 case MCI_COMMAND_HEAD:
772 case MCI_RETURN:
773 case MCI_END_COMMAND:
774 case MCI_END_COMMAND_LIST:
775 case MCI_CONSTANT:
776 case MCI_FLAG: break;
777 case MCI_INTEGER: if (!inCst) offset++; break;
778 case MCI_END_CONSTANT:
779 case MCI_STRING: offset++; break;
780 case MCI_RECT: offset += 4; break;
781 default: ERR("oops\n");
782 }
783 }
784 } while (eid != MCI_END_COMMAND);
785 if (!found) {
786 WARN("Optarg '%s' not found\n", args);
787 return MCIERR_UNRECOGNIZED_COMMAND;
788 }
789 if (offset == MCI_DATA_SIZE) {
790 ERR("Internal data[] buffer overflow\n");
791 return MCIERR_PARSER_INTERNAL;
792 }
793 }
794 return 0;
795 }
796
797 /**************************************************************************
798 * MCI_HandleReturnValues [internal]
799 */
800 static DWORD MCI_HandleReturnValues(DWORD dwRet, LPWINE_MCIDRIVER wmd, DWORD retType,
801 LPDWORD data, LPSTR lpstrRet, UINT uRetLen)
802 {
803 if (lpstrRet) {
804 switch (retType) {
805 case 0: /* nothing to return */
806 break;
807 case MCI_INTEGER:
808 switch (dwRet & 0xFFFF0000ul) {
809 case 0:
810 case MCI_INTEGER_RETURNED:
811 snprintf(lpstrRet, uRetLen, "%ld", data[1]);
812 break;
813 case MCI_RESOURCE_RETURNED:
814 /* return string which ID is HIWORD(data[1]),
815 * string is loaded from mmsystem.dll */
816 LoadStringA(WINMM_IData->hWinMM32Instance, HIWORD(data[1]),
817 lpstrRet, uRetLen);
818 break;
819 case MCI_RESOURCE_RETURNED|MCI_RESOURCE_DRIVER:
820 /* return string which ID is HIWORD(data[1]),
821 * string is loaded from driver */
822 /* FIXME: this is wrong for a 16 bit handle */
823 LoadStringA(GetDriverModuleHandle(wmd->hDriver),
824 HIWORD(data[1]), lpstrRet, uRetLen);
825 break;
826 case MCI_COLONIZED3_RETURN:
827 snprintf(lpstrRet, uRetLen, "%d:%d:%d",
828 LOBYTE(LOWORD(data[1])), HIBYTE(LOWORD(data[1])),
829 LOBYTE(HIWORD(data[1])));
830 break;
831 case MCI_COLONIZED4_RETURN:
832 snprintf(lpstrRet, uRetLen, "%d:%d:%d:%d",
833 LOBYTE(LOWORD(data[1])), HIBYTE(LOWORD(data[1])),
834 LOBYTE(HIWORD(data[1])), HIBYTE(HIWORD(data[1])));
835 break;
836 default: ERR("Ooops (%04X)\n", HIWORD(dwRet));
837 }
838 break;
839 case MCI_STRING:
840 switch (dwRet & 0xFFFF0000ul) {
841 case 0:
842 /* nothing to do data[1] == lpstrRet */
843 break;
844 case MCI_INTEGER_RETURNED:
845 data[1] = *(LPDWORD)lpstrRet;
846 snprintf(lpstrRet, uRetLen, "%ld", data[1]);
847 break;
848 default:
849 WARN("Oooch. MCI_STRING and HIWORD(dwRet)=%04x\n", HIWORD(dwRet));
850 break;
851 }
852 break;
853 case MCI_RECT:
854 if (dwRet & 0xFFFF0000ul)
855 WARN("Oooch. MCI_STRING and HIWORD(dwRet)=%04x\n", HIWORD(dwRet));
856 snprintf(lpstrRet, uRetLen, "%ld %ld %ld %ld",
857 data[1], data[2], data[3], data[4]);
858 break;
859 default: ERR("oops\n");
860 }
861 }
862 return LOWORD(dwRet);
863 }
864
865 /**************************************************************************
866 * mciSendStringA [WINMM.@]
867 */
868 DWORD WINAPI mciSendStringA(LPCSTR lpstrCommand, LPSTR lpstrRet,
869 UINT uRetLen, HWND hwndCallback)
870 {
871 LPSTR verb, dev, args;
872 LPWINE_MCIDRIVER wmd = 0;
873 DWORD dwFlags = 0, dwRet = 0;
874 int offset = 0;
875 DWORD data[MCI_DATA_SIZE];
876 DWORD retType;
877 LPCSTR lpCmd = 0;
878 LPSTR devAlias = NULL;
879 BOOL bAutoOpen = FALSE;
880
881 TRACE("('%s', %p, %d, %X)\n", lpstrCommand, lpstrRet, uRetLen, hwndCallback);
882
883 /* format is <command> <device> <optargs> */
884 if (!(verb = HeapAlloc(GetProcessHeap(), 0, strlen(lpstrCommand)+1)))
885 return MCIERR_OUT_OF_MEMORY;
886 strcpy( verb, lpstrCommand );
887
888 memset(data, 0, sizeof(data));
889
890 if (!(args = strchr(verb, ' '))) {
891 dwRet = MCIERR_MISSING_DEVICE_NAME;
892 goto errCleanUp;
893 }
894 *args++ = '\0';
895 if ((dwRet = MCI_GetString(&dev, &args))) {
896 goto errCleanUp;
897 }
898
899 /* case dev == 'new' has to be handled */
900 if (!strcasecmp(dev, "new")) {
901 FIXME("'new': NIY as device name\n");
902 dwRet = MCIERR_MISSING_DEVICE_NAME;
903 goto errCleanUp;
904 }
905
906 /* otherwise, try to grab devType from open */
907 if (!strcmp(verb, "open")) {
908 LPSTR devType, tmp;
909
910 if ((devType = strchr(dev, '!')) != NULL) {
911 *devType++ = '\0';
912 tmp = devType; devType = dev; dev = tmp;
913
914 dwFlags |= MCI_OPEN_TYPE;
915 data[2] = (DWORD)devType;
916 devType = str_dup_upper(devType);
917 dwFlags |= MCI_OPEN_ELEMENT;
918 data[3] = (DWORD)dev;
919 } else if (strchr(dev, '.') == NULL) {
920 tmp = strchr(dev,' ');
921 if (tmp) *tmp = '\0';
922 data[2] = (DWORD)dev;
923 devType = str_dup_upper(dev);
924 if (tmp) *tmp = ' ';
925 dwFlags |= MCI_OPEN_TYPE;
926 } else {
927 if ((devType = strstr(args, "type ")) != NULL) {
928 devType += 5;
929 tmp = strchr(devType, ' ');
930 if (tmp) *tmp = '\0';
931 devType = str_dup_upper(devType);
932 if (tmp) *tmp = ' ';
933 /* dwFlags and data[2] will be correctly set in ParseOpt loop */
934 } else {
935 char buf[32];
936 if ((dwRet = MCI_GetDevTypeFromFileName(dev, buf, sizeof(buf))))
937 goto errCleanUp;
938
939 devType = str_dup_upper(buf);
940 }
941 dwFlags |= MCI_OPEN_ELEMENT;
942 data[3] = (DWORD)dev;
943 }
944 if ((devAlias = strstr(args," alias "))) {
945 char *tmp2;
946 devAlias += 7;
947 if (!(tmp = strchr(devAlias,' '))) tmp = devAlias + strlen(devAlias);
948 if (tmp) *tmp = '\0';
949 tmp2 = HeapAlloc(GetProcessHeap(), 0, tmp - devAlias + 1 );
950 memcpy( tmp2, devAlias, tmp - devAlias );
951 tmp2[tmp - devAlias] = 0;
952 data[4] = (DWORD)tmp2;
953 /* should be done in regular options parsing */
954 /* dwFlags |= MCI_OPEN_ALIAS; */
955 }
956
957 dwRet = MCI_LoadMciDriver(devType, &wmd);
958 HeapFree(GetProcessHeap(), 0, devType);
959 if (dwRet) {
960 MCI_UnLoadMciDriver(wmd);
961 goto errCleanUp;
962 }
963 } else if (!(wmd = MCI_GetDriver(mciGetDeviceIDA(dev)))) {
964 /* auto open */
965 char buf[128];
966 sprintf(buf, "open %s wait", dev);
967
968 if ((dwRet = mciSendStringA(buf, NULL, 0, 0)) != 0)
969 goto errCleanUp;
970
971 wmd = MCI_GetDriver(mciGetDeviceIDA(dev));
972 if (!wmd) {
973 /* FIXME: memory leak, MCI driver is not closed */
974 dwRet = MCIERR_INVALID_DEVICE_ID;
975 goto errCleanUp;
976 }
977 }
978
979 /* get the verb in the different command tables */
980 if (wmd) {
981 /* try the device specific command table */
982 lpCmd = MCI_FindCommand(wmd->uSpecificCmdTable, verb);
983 if (!lpCmd) {
984 /* try the type specific command table */
985 if (wmd->uTypeCmdTable == MCI_COMMAND_TABLE_NOT_LOADED)
986 wmd->uTypeCmdTable = MCI_GetCommandTable(wmd->wType);
987 if (wmd->uTypeCmdTable != MCI_NO_COMMAND_TABLE)
988 lpCmd = MCI_FindCommand(wmd->uTypeCmdTable, verb);
989 }
990 }
991 /* try core command table */
992 if (!lpCmd) lpCmd = MCI_FindCommand(MCI_GetCommandTable(0), verb);
993
994 if (!lpCmd) {
995 TRACE("Command '%s' not found!\n", verb);
996 dwRet = MCIERR_UNRECOGNIZED_COMMAND;
997 goto errCleanUp;
998 }
999
1000 /* set up call back */
1001 if (hwndCallback != 0) {
1002 dwFlags |= MCI_NOTIFY;
1003 data[0] = (DWORD)hwndCallback;
1004 }
1005
1006 /* set return information */
1007 switch (retType = MCI_GetReturnType(lpCmd)) {
1008 case 0: offset = 1; break;
1009 case MCI_INTEGER: offset = 2; break;
1010 case MCI_STRING: data[1] = (DWORD)lpstrRet; data[2] = uRetLen; offset = 3; break;
1011 case MCI_RECT: offset = 5; break;
1012 default: ERR("oops\n");
1013 }
1014
1015 TRACE("verb='%s' on dev='%s'; offset=%d\n", verb, dev, offset);
1016
1017 if ((dwRet = MCI_ParseOptArgs(data, offset, lpCmd, args, &dwFlags)))
1018 goto errCleanUp;
1019
1020 if (bAutoOpen && (dwFlags & MCI_NOTIFY)) {
1021 dwRet = MCIERR_NOTIFY_ON_AUTO_OPEN;
1022 goto errCleanUp;
1023 }
1024 /* FIXME: the command should get it's own notification window set up and
1025 * ask for device closing while processing the notification mechanism
1026 */
1027 if (lpstrRet && uRetLen) *lpstrRet = '\0';
1028
1029 #define STR_OF(_x) (IsBadReadPtr((char*)_x,1)?"?":(char*)(_x))
1030 TRACE("[%d, %s, %08lx, %08lx/%s %08lx/%s %08lx/%s %08lx/%s %08lx/%s %08lx/%s]\n",
1031 wmd->wDeviceID, MCI_MessageToString(MCI_GetMessage(lpCmd)), dwFlags,
1032 data[0], STR_OF(data[0]), data[1], STR_OF(data[1]),
1033 data[2], STR_OF(data[2]), data[3], STR_OF(data[3]),
1034 data[4], STR_OF(data[4]), data[5], STR_OF(data[5]));
1035 #undef STR_OF
1036
1037 if (strcmp(verb, "open") == 0) {
1038 if ((dwRet = MCI_FinishOpen(wmd, (LPMCI_OPEN_PARMSA)data, dwFlags)))
1039 MCI_UnLoadMciDriver(wmd);
1040 /* FIXME: notification is not properly shared across two opens */
1041 } else {
1042 dwRet = MCI_SendCommand(wmd->wDeviceID, MCI_GetMessage(lpCmd), dwFlags, (DWORD)data, TRUE);
1043 }
1044 TRACE("=> 1/ %lx (%s)\n", dwRet, lpstrRet);
1045 dwRet = MCI_HandleReturnValues(dwRet, wmd, retType, data, lpstrRet, uRetLen);
1046 TRACE("=> 2/ %lx (%s)\n", dwRet, lpstrRet);
1047
1048 errCleanUp:
1049 HeapFree(GetProcessHeap(), 0, verb);
1050 HeapFree(GetProcessHeap(), 0, devAlias);
1051 return dwRet;
1052 }
1053
1054 /**************************************************************************
1055 * mciSendStringW [WINMM.@]
1056 */
1057 DWORD WINAPI mciSendStringW(LPCWSTR lpwstrCommand, LPSTR lpstrRet,
1058 UINT uRetLen, HWND hwndCallback)
1059 {
1060 LPSTR lpstrCommand;
1061 UINT ret;
1062 INT len;
1063
1064 /* FIXME: is there something to do with lpstrReturnString ? */
1065 len = WideCharToMultiByte( CP_ACP, 0, lpwstrCommand, -1, NULL, 0, NULL, NULL );
1066 lpstrCommand = HeapAlloc( GetProcessHeap(), 0, len );
1067 WideCharToMultiByte( CP_ACP, 0, lpwstrCommand, -1, lpstrCommand, len, NULL, NULL );
1068 ret = mciSendStringA(lpstrCommand, lpstrRet, uRetLen, hwndCallback);
1069 HeapFree(GetProcessHeap(), 0, lpstrCommand);
1070 return ret;
1071 }
1072
1073 /**************************************************************************
1074 * mciExecute [WINMM.@]
1075 * mciExecute [MMSYSTEM.712]
1076 */
1077 DWORD WINAPI mciExecute(LPCSTR lpstrCommand)
1078 {
1079 char strRet[256];
1080 DWORD ret;
1081
1082 TRACE("(%s)!\n", lpstrCommand);
1083
1084 ret = mciSendStringA(lpstrCommand, strRet, sizeof(strRet), 0);
1085 if (ret != 0) {
1086 if (!mciGetErrorStringA(ret, strRet, sizeof(strRet))) {
1087 sprintf(strRet, "Unknown MCI error (%ld)", ret);
1088 }
1089 MessageBoxA(0, strRet, "Error in mciExecute()", MB_OK);
1090 }
1091 /* FIXME: what shall I return ? */
1092 return 0;
1093 }
1094
1095 /**************************************************************************
1096 * mciLoadCommandResource [WINMM.@]
1097 *
1098 * Strangely, this function only exists as an UNICODE one.
1099 */
1100 UINT WINAPI mciLoadCommandResource(HINSTANCE hInst, LPCWSTR resNameW, UINT type)
1101 {
1102 HRSRC hRsrc = 0;
1103 HGLOBAL hMem;
1104 UINT16 ret = MCI_NO_COMMAND_TABLE;
1105
1106 TRACE("(%04x, %s, %d)!\n", hInst, debugstr_w(resNameW), type);
1107
1108 /* if a file named "resname.mci" exits, then load resource "resname" from it
1109 * otherwise directly from driver
1110 * We don't support it (who uses this feature ?), but we check anyway
1111 */
1112 if (!type) {
1113 #if 0
1114 /* FIXME: we should put this back into order, but I never found a program
1115 * actually using this feature, so we not need it
1116 */
1117 char buf[128];
1118 OFSTRUCT ofs;
1119
1120 strcat(strcpy(buf, resname), ".mci");
1121 if (OpenFile(buf, &ofs, OF_EXIST) != HFILE_ERROR) {
1122 FIXME("NIY: command table to be loaded from '%s'\n", ofs.szPathName);
1123 }
1124 #endif
1125 }
1126 if (!(hRsrc = FindResourceW(hInst, resNameW, (LPCWSTR)RT_RCDATAA))) {
1127 WARN("No command table found in resource\n");
1128 } else if ((hMem = LoadResource(hInst, hRsrc))) {
1129 ret = MCI_SetCommandTable(hMem, type);
1130 } else {
1131 WARN("Couldn't load resource.\n");
1132 }
1133 TRACE("=> %04x\n", ret);
1134 return ret;
1135 }
1136
1137 /**************************************************************************
1138 * mciFreeCommandResource [WINMM.@]
1139 */
1140 BOOL WINAPI mciFreeCommandResource(UINT uTable)
1141 {
1142 TRACE("(%08x)!\n", uTable);
1143
1144 return MCI_DeleteCommandTable(uTable);
1145 }
1146
1147 /**************************************************************************
1148 * MCI_SendCommandFrom32 [internal]
1149 */
1150 DWORD MCI_SendCommandFrom32(UINT wDevID, UINT16 wMsg, DWORD dwParam1, DWORD dwParam2)
1151 {
1152 DWORD dwRet = MCIERR_INVALID_DEVICE_ID;
1153 LPWINE_MCIDRIVER wmd = MCI_GetDriver(wDevID);
1154
1155 if (wmd) {
1156 if (wmd->bIs32) {
1157 dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
1158 } else if (pFnMciMapMsg32ATo16) {
1159 WINMM_MapType res;
1160
1161 switch (res = pFnMciMapMsg32ATo16(wmd->wType, wMsg, dwParam1, &dwParam2)) {
1162 case WINMM_MAP_MSGERROR:
1163 TRACE("Not handled yet (%s)\n", MCI_MessageToString(wMsg));
1164 dwRet = MCIERR_DRIVER_INTERNAL;
1165 break;
1166 case WINMM_MAP_NOMEM:
1167 TRACE("Problem mapping msg=%s from 32a to 16\n", MCI_MessageToString(wMsg));
1168 dwRet = MCIERR_OUT_OF_MEMORY;
1169 break;
1170 case WINMM_MAP_OK:
1171 case WINMM_MAP_OKMEM:
1172 dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
1173 if (res == WINMM_MAP_OKMEM)
1174 pFnMciUnMapMsg32ATo16(wmd->wType, wMsg, dwParam1, dwParam2);
1175 break;
1176 }
1177 }
1178 }
1179 return dwRet;
1180 }
1181
1182 /**************************************************************************
1183 * MCI_SendCommandFrom16 [internal]
1184 */
1185 DWORD MCI_SendCommandFrom16(UINT wDevID, UINT16 wMsg, DWORD dwParam1, DWORD dwParam2)
1186 {
1187 DWORD dwRet = MCIERR_INVALID_DEVICE_ID;
1188 LPWINE_MCIDRIVER wmd = MCI_GetDriver(wDevID);
1189
1190 if (wmd) {
1191 dwRet = MCIERR_INVALID_DEVICE_ID;
1192
1193 if (wmd->bIs32 && pFnMciMapMsg16To32A) {
1194 WINMM_MapType res;
1195
1196 switch (res = pFnMciMapMsg16To32A(wmd->wType, wMsg, &dwParam2)) {
1197 case WINMM_MAP_MSGERROR:
1198 TRACE("Not handled yet (%s)\n", MCI_MessageToString(wMsg));
1199 dwRet = MCIERR_DRIVER_INTERNAL;
1200 break;
1201 case WINMM_MAP_NOMEM:
1202 TRACE("Problem mapping msg=%s from 16 to 32a\n", MCI_MessageToString(wMsg));
1203 dwRet = MCIERR_OUT_OF_MEMORY;
1204 break;
1205 case WINMM_MAP_OK:
1206 case WINMM_MAP_OKMEM:
1207 dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
1208 if (res == WINMM_MAP_OKMEM)
1209 pFnMciUnMapMsg16To32A(wmd->wType, wMsg, dwParam2);
1210 break;
1211 }
1212 } else {
1213 dwRet = SendDriverMessage(wmd->hDriver, wMsg, dwParam1, dwParam2);
1214 }
1215 }
1216 return dwRet;
1217 }
1218
1219 /**************************************************************************
1220 * MCI_Open [internal]
1221 */
1222 static DWORD MCI_Open(DWORD dwParam, LPMCI_OPEN_PARMSA lpParms)
1223 {
1224 char strDevTyp[128];
1225 DWORD dwRet;
1226 LPWINE_MCIDRIVER wmd = NULL;
1227
1228 TRACE("(%08lX, %p)\n", dwParam, lpParms);
1229 if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
1230
1231 /* only two low bytes are generic, the other ones are dev type specific */
1232 #define WINE_MCIDRIVER_SUPP (0xFFFF0000|MCI_OPEN_SHAREABLE|MCI_OPEN_ELEMENT| \
1233 MCI_OPEN_ALIAS|MCI_OPEN_TYPE|MCI_OPEN_TYPE_ID| \
1234 MCI_NOTIFY|MCI_WAIT)
1235 if ((dwParam & ~WINE_MCIDRIVER_SUPP) != 0) {
1236 FIXME("Unsupported yet dwFlags=%08lX\n", dwParam & ~WINE_MCIDRIVER_SUPP);
1237 }
1238 #undef WINE_MCIDRIVER_SUPP
1239
1240 strDevTyp[0] = 0;
1241
1242 if (dwParam & MCI_OPEN_TYPE) {
1243 if (dwParam & MCI_OPEN_TYPE_ID) {
1244 WORD uDevType = LOWORD((DWORD)lpParms->lpstrDeviceType);
1245
1246 if (uDevType < MCI_DEVTYPE_FIRST ||
1247 uDevType > MCI_DEVTYPE_LAST ||
1248 !LoadStringA(WINMM_IData->hWinMM32Instance, uDevType, strDevTyp, sizeof(strDevTyp))) {
1249 dwRet = MCIERR_BAD_INTEGER;
1250 goto errCleanUp;
1251 }
1252 } else {
1253 LPSTR ptr;
1254 if (lpParms->lpstrDeviceType == NULL) {
1255 dwRet = MCIERR_NULL_PARAMETER_BLOCK;
1256 goto errCleanUp;
1257 }
1258 strcpy(strDevTyp, lpParms->lpstrDeviceType);
1259 ptr = strchr(strDevTyp, '!');
1260 if (ptr) {
1261 /* this behavior is not documented in windows. However, since, in
1262 * some occasions, MCI_OPEN handling is translated by WinMM into
1263 * a call to mciSendString("open <type>"); this code shall be correct
1264 */
1265 if (dwParam & MCI_OPEN_ELEMENT) {
1266 ERR("Both MCI_OPEN_ELEMENT(%s) and %s are used\n",
1267 lpParms->lpstrElementName, strDevTyp);
1268 dwRet = MCIERR_UNRECOGNIZED_KEYWORD;
1269 goto errCleanUp;
1270 }
1271 dwParam |= MCI_OPEN_ELEMENT;
1272 *ptr++ = 0;
1273 /* FIXME: not a good idea to write in user supplied buffer */
1274 lpParms->lpstrElementName = ptr;
1275 }
1276
1277 }
1278 TRACE("devType='%s' !\n", strDevTyp);
1279 }
1280
1281 if (dwParam & MCI_OPEN_ELEMENT) {
1282 TRACE("lpstrElementName='%s'\n", lpParms->lpstrElementName);
1283
1284 if (dwParam & MCI_OPEN_ELEMENT_ID) {
1285 FIXME("Unsupported yet flag MCI_OPEN_ELEMENT_ID\n");
1286 dwRet = MCIERR_UNRECOGNIZED_KEYWORD;
1287 goto errCleanUp;
1288 }
1289
1290 if (!lpParms->lpstrElementName) {
1291 dwRet = MCIERR_NULL_PARAMETER_BLOCK;
1292 goto errCleanUp;
1293 }
1294
1295 /* type, if given as a parameter, supersedes file extension */
1296 if (!strDevTyp[0] &&
1297 MCI_GetDevTypeFromFileName(lpParms->lpstrElementName,
1298 strDevTyp, sizeof(strDevTyp))) {
1299 if (GetDriveTypeA(lpParms->lpstrElementName) != DRIVE_CDROM) {
1300 dwRet = MCIERR_EXTENSION_NOT_FOUND;
1301 goto errCleanUp;
1302 }
1303 /* FIXME: this will not work if several CDROM drives are installed on the machine */
1304 strcpy(strDevTyp, "CDAUDIO");
1305 }
1306 }
1307
1308 if (strDevTyp[0] == 0) {
1309 FIXME("Couldn't load driver\n");
1310 dwRet = MCIERR_INVALID_DEVICE_NAME;
1311 goto errCleanUp;
1312 }
1313
1314 if (dwParam & MCI_OPEN_ALIAS) {
1315 TRACE("Alias='%s' !\n", lpParms->lpstrAlias);
1316 if (!lpParms->lpstrAlias) {
1317 dwRet = MCIERR_NULL_PARAMETER_BLOCK;
1318 goto errCleanUp;
1319 }
1320 }
1321
1322 if ((dwRet = MCI_LoadMciDriver(strDevTyp, &wmd))) {
1323 goto errCleanUp;
1324 }
1325
1326 if ((dwRet = MCI_FinishOpen(wmd, lpParms, dwParam))) {
1327 TRACE("Failed to open driver (MCI_OPEN_DRIVER) [%08lx], closing\n", dwRet);
1328 /* FIXME: is dwRet the correct ret code ? */
1329 goto errCleanUp;
1330 }
1331
1332 /* only handled devices fall through */
1333 TRACE("wDevID=%04X wDeviceID=%d dwRet=%ld\n", wmd->wDeviceID, lpParms->wDeviceID, dwRet);
1334
1335 if (dwParam & MCI_NOTIFY)
1336 mciDriverNotify(lpParms->dwCallback, wmd->wDeviceID, MCI_NOTIFY_SUCCESSFUL);
1337
1338 return 0;
1339 errCleanUp:
1340 if (wmd) MCI_UnLoadMciDriver(wmd);
1341
1342 if (dwParam & MCI_NOTIFY)
1343 mciDriverNotify(lpParms->dwCallback, 0, MCI_NOTIFY_FAILURE);
1344 return dwRet;
1345 }
1346
1347 /**************************************************************************
1348 * MCI_Close [internal]
1349 */
1350 static DWORD MCI_Close(UINT16 wDevID, DWORD dwParam, LPMCI_GENERIC_PARMS lpParms)
1351 {
1352 DWORD dwRet;
1353 LPWINE_MCIDRIVER wmd;
1354
1355 TRACE("(%04x, %08lX, %p)\n", wDevID, dwParam, lpParms);
1356
1357 if (wDevID == MCI_ALL_DEVICE_ID) {
1358 LPWINE_MCIDRIVER next;
1359
1360 EnterCriticalSection(&WINMM_IData->cs);
1361 /* FIXME: shall I notify once after all is done, or for
1362 * each of the open drivers ? if the latest, which notif
1363 * to return when only one fails ?
1364 */
1365 for (wmd = WINMM_IData->lpMciDrvs; wmd; ) {
1366 next = wmd->lpNext;
1367 MCI_Close(wmd->wDeviceID, dwParam, lpParms);
1368 wmd = next;
1369 }
1370 LeaveCriticalSection(&WINMM_IData->cs);
1371 return 0;
1372 }
1373
1374 if (!(wmd = MCI_GetDriver(wDevID))) {
1375 return MCIERR_INVALID_DEVICE_ID;
1376 }
1377
1378 dwRet = MCI_SendCommandFrom32(wDevID, MCI_CLOSE_DRIVER, dwParam, (DWORD)lpParms);
1379
1380 MCI_UnLoadMciDriver(wmd);
1381
1382 if (dwParam & MCI_NOTIFY)
1383 mciDriverNotify(lpParms->dwCallback, wDevID,
1384 (dwRet == 0) ? MCI_NOTIFY_SUCCESSFUL : MCI_NOTIFY_FAILURE);
1385
1386 return dwRet;
1387 }
1388
1389 /**************************************************************************
1390 * MCI_WriteString [internal]
1391 */
1392 DWORD MCI_WriteString(LPSTR lpDstStr, DWORD dstSize, LPCSTR lpSrcStr)
1393 {
1394 DWORD ret = 0;
1395
1396 if (lpSrcStr) {
1397 if (dstSize <= strlen(lpSrcStr)) {
1398 lstrcpynA(lpDstStr, lpSrcStr, dstSize - 1);
1399 ret = MCIERR_PARAM_OVERFLOW;
1400 } else {
1401 strcpy(lpDstStr, lpSrcStr);
1402 }
1403 } else {
1404 *lpDstStr = 0;
1405 }
1406 return ret;
1407 }
1408
1409 /**************************************************************************
1410 * MCI_Sysinfo [internal]
1411 */
1412 static DWORD MCI_SysInfo(UINT uDevID, DWORD dwFlags, LPMCI_SYSINFO_PARMSA lpParms)
1413 {
1414 DWORD ret = MCIERR_INVALID_DEVICE_ID;
1415 LPWINE_MCIDRIVER wmd;
1416
1417 if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
1418
1419 TRACE("(%08x, %08lX, %08lX[num=%ld, wDevTyp=%u])\n",
1420 uDevID, dwFlags, (DWORD)lpParms, lpParms->dwNumber, lpParms->wDeviceType);
1421
1422 switch (dwFlags & ~MCI_SYSINFO_OPEN) {
1423 case MCI_SYSINFO_QUANTITY:
1424 {
1425 DWORD cnt = 0;
1426
1427 if (lpParms->wDeviceType < MCI_DEVTYPE_FIRST ||
1428 lpParms->wDeviceType > MCI_DEVTYPE_LAST) {
1429 if (dwFlags & MCI_SYSINFO_OPEN) {
1430 TRACE("MCI_SYSINFO_QUANTITY: # of open MCI drivers\n");
1431 EnterCriticalSection(&WINMM_IData->cs);
1432 for (wmd = WINMM_IData->lpMciDrvs; wmd; wmd = wmd->lpNext) {
1433 cnt++;
1434 }
1435 LeaveCriticalSection(&WINMM_IData->cs);
1436 } else {
1437 TRACE("MCI_SYSINFO_QUANTITY: # of installed MCI drivers\n");
1438 cnt = MCI_InstalledCount;
1439 }
1440 } else {
1441 if (dwFlags & MCI_SYSINFO_OPEN) {
1442 TRACE("MCI_SYSINFO_QUANTITY: # of open MCI drivers of type %u\n",
1443 lpParms->wDeviceType);
1444 EnterCriticalSection(&WINMM_IData->cs);
1445 for (wmd = WINMM_IData->lpMciDrvs; wmd; wmd = wmd->lpNext) {
1446 if (wmd->wType == lpParms->wDeviceType)
1447 cnt++;
1448 }
1449 LeaveCriticalSection(&WINMM_IData->cs);
1450 } else {
1451 TRACE("MCI_SYSINFO_QUANTITY: # of installed MCI drivers of type %u\n",
1452 lpParms->wDeviceType);
1453 FIXME("Don't know how to get # of MCI devices of a given type\n");
1454 cnt = 1;
1455 }
1456 }
1457 *(DWORD*)lpParms->lpstrReturn = cnt;
1458 }
1459 TRACE("(%ld) => '%ld'\n", lpParms->dwNumber, *(DWORD*)lpParms->lpstrReturn);
1460 ret = MCI_INTEGER_RETURNED;
1461 break;
1462 case MCI_SYSINFO_INSTALLNAME:
1463 TRACE("MCI_SYSINFO_INSTALLNAME \n");
1464 if ((wmd = MCI_GetDriver(uDevID))) {
1465 ret = MCI_WriteString(lpParms->lpstrReturn, lpParms->dwRetSize,
1466 wmd->lpstrDeviceType);
1467 } else {
1468 *lpParms->lpstrReturn = 0;
1469 ret = MCIERR_INVALID_DEVICE_ID;
1470 }
1471 TRACE("(%ld) => '%s'\n", lpParms->dwNumber, lpParms->lpstrReturn);
1472 break;
1473 case MCI_SYSINFO_NAME:
1474 TRACE("MCI_SYSINFO_NAME\n");
1475 if (dwFlags & MCI_SYSINFO_OPEN) {
1476 FIXME("Don't handle MCI_SYSINFO_NAME|MCI_SYSINFO_OPEN (yet)\n");
1477 ret = MCIERR_UNRECOGNIZED_COMMAND;
1478 } else if (lpParms->dwNumber > MCI_InstalledCount) {
1479 ret = MCIERR_OUTOFRANGE;
1480 } else {
1481 DWORD count = lpParms->dwNumber;
1482 LPSTR ptr = MCI_lpInstallNames;
1483
1484 while (--count > 0) ptr += strlen(ptr) + 1;
1485 ret = MCI_WriteString(lpParms->lpstrReturn, lpParms->dwRetSize, ptr);
1486 }
1487 TRACE("(%ld) => '%s'\n", lpParms->dwNumber, lpParms->lpstrReturn);
1488 break;
1489 default:
1490 TRACE("Unsupported flag value=%08lx\n", dwFlags);
1491 ret = MCIERR_UNRECOGNIZED_COMMAND;
1492 }
1493 return ret;
1494 }
1495
1496 /**************************************************************************
1497 * MCI_Break [internal]
1498 */
1499 static DWORD MCI_Break(UINT wDevID, DWORD dwFlags, LPMCI_BREAK_PARMS lpParms)
1500 {
1501 DWORD dwRet = 0;
1502
1503 if (lpParms == NULL) return MCIERR_NULL_PARAMETER_BLOCK;
1504
1505 if (dwFlags & MCI_NOTIFY)
1506 mciDriverNotify(lpParms->dwCallback, wDevID,
1507 (dwRet == 0) ? MCI_NOTIFY_SUCCESSFUL : MCI_NOTIFY_FAILURE);
1508
1509 return dwRet;
1510 }
1511
1512 /**************************************************************************
1513 * MCI_SendCommand [internal]
1514 */
1515 DWORD MCI_SendCommand(UINT wDevID, UINT16 wMsg, DWORD dwParam1,
1516 DWORD dwParam2, BOOL bFrom32)
1517 {
1518 DWORD dwRet = MCIERR_UNRECOGNIZED_COMMAND;
1519
1520 switch (wMsg) {
1521 case MCI_OPEN:
1522 if (bFrom32) {
1523 dwRet = MCI_Open(dwParam1, (LPMCI_OPEN_PARMSA)dwParam2);
1524 } else if (pFnMciMapMsg16To32A) {
1525 switch (pFnMciMapMsg16To32A(0, wMsg, &dwParam2)) {
1526 case WINMM_MAP_OK:
1527 case WINMM_MAP_OKMEM:
1528 dwRet = MCI_Open(dwParam1, (LPMCI_OPEN_PARMSA)dwParam2);
1529 pFnMciUnMapMsg16To32A(0, wMsg, dwParam2);
1530 break;
1531 default: break; /* so that gcc does not bark */
1532 }
1533 }
1534 break;
1535 case MCI_CLOSE:
1536 if (bFrom32) {
1537 dwRet = MCI_Close(wDevID, dwParam1, (LPMCI_GENERIC_PARMS)dwParam2);
1538 } else if (pFnMciMapMsg16To32A) {
1539 switch (pFnMciMapMsg16To32A(0, wMsg, &dwParam2)) {
1540 case WINMM_MAP_OK:
1541 case WINMM_MAP_OKMEM:
1542 dwRet = MCI_Close(wDevID, dwParam1, (LPMCI_GENERIC_PARMS)dwParam2);
1543 pFnMciUnMapMsg16To32A(0, wMsg, dwParam2);
1544 break;
1545 default: break; /* so that gcc does not bark */
1546 }
1547 }
1548 break;
1549 case MCI_SYSINFO:
1550 if (bFrom32) {
1551 dwRet = MCI_SysInfo(wDevID, dwParam1, (LPMCI_SYSINFO_PARMSA)dwParam2);
1552 } else if (pFnMciMapMsg16To32A) {
1553 switch (pFnMciMapMsg16To32A(0, wMsg, &dwParam2)) {
1554 case WINMM_MAP_OK:
1555 case WINMM_MAP_OKMEM:
1556 dwRet = MCI_SysInfo(wDevID, dwParam1, (LPMCI_SYSINFO_PARMSA)dwParam2);
1557 pFnMciUnMapMsg16To32A(0, wMsg, dwParam2);
1558 break;
1559 default: break; /* so that gcc doesnot bark */
1560 }
1561 }
1562 break;
1563 case MCI_BREAK:
1564 if (bFrom32) {
1565 dwRet = MCI_Break(wDevID, dwParam1, (LPMCI_BREAK_PARMS)dwParam2);
1566 } else if (pFnMciMapMsg16To32A) {
1567 switch (pFnMciMapMsg16To32A(0, wMsg, &dwParam2)) {
1568 case WINMM_MAP_OK:
1569 case WINMM_MAP_OKMEM:
1570 dwRet = MCI_Break(wDevID, dwParam1, (LPMCI_BREAK_PARMS)dwParam2);
1571 pFnMciUnMapMsg16To32A(0, wMsg, dwParam2);
1572 break;
1573 default: break; /* so that gcc does not bark */
1574 }
1575 }
1576 break;
1577 case MCI_SOUND:
1578 /* FIXME: it seems that MCI_SOUND needs the same handling as MCI_BREAK
1579 * but I couldn't get any doc on this MCI message
1580 */
1581 break;
1582 default:
1583 if (wDevID == MCI_ALL_DEVICE_ID) {
1584 FIXME("unhandled MCI_ALL_DEVICE_ID\n");
1585 dwRet = MCIERR_CANNOT_USE_ALL;
1586 } else {
1587 dwRet = (bFrom32) ?
1588 MCI_SendCommandFrom32(wDevID, wMsg, dwParam1, dwParam2) :
1589 MCI_SendCommandFrom16(wDevID, wMsg, dwParam1, dwParam2);
1590 }
1591 break;
1592 }
1593 return dwRet;
1594 }
1595
1596 /**************************************************************************
1597 * MCI_CleanUp [internal]
1598 *
1599 * Some MCI commands need to be cleaned-up (when not called from
1600 * mciSendString), because MCI drivers return extra information for string
1601 * transformation. This function gets rid of them.
1602 */
1603 LRESULT MCI_CleanUp(LRESULT dwRet, UINT wMsg, DWORD dwParam2)
1604 {
1605 if (LOWORD(dwRet))
1606 return LOWORD(dwRet);
1607
1608 switch (wMsg) {
1609 case MCI_GETDEVCAPS:
1610 switch (dwRet & 0xFFFF0000ul) {
1611 case 0:
1612 case MCI_COLONIZED3_RETURN:
1613 case MCI_COLONIZED4_RETURN:
1614 case MCI_INTEGER_RETURNED:
1615 /* nothing to do */
1616 break;
1617 case MCI_RESOURCE_RETURNED:
1618 case MCI_RESOURCE_RETURNED|MCI_RESOURCE_DRIVER:
1619 {
1620 LPMCI_GETDEVCAPS_PARMS lmgp;
1621
1622 lmgp = (LPMCI_GETDEVCAPS_PARMS)(void*)dwParam2;
1623 TRACE("Changing %08lx to %08lx\n", lmgp->dwReturn, (DWORD)LOWORD(lmgp->dwReturn));
1624 lmgp->dwReturn = LOWORD(lmgp->dwReturn);
1625 }
1626 break;
1627 default:
1628 FIXME("Unsupported value for hiword (%04x) returned by DriverProc(%s)\n",
1629 HIWORD(dwRet), MCI_MessageToString(wMsg));
1630 }
1631 break;
1632 case MCI_STATUS:
1633 switch (dwRet & 0xFFFF0000ul) {
1634 case 0:
1635 case MCI_COLONIZED3_RETURN:
1636 case MCI_COLONIZED4_RETURN:
1637 case MCI_INTEGER_RETURNED:
1638 /* nothing to do */
1639 break;
1640 case MCI_RESOURCE_RETURNED:
1641 case MCI_RESOURCE_RETURNED|MCI_RESOURCE_DRIVER:
1642 {
1643 LPMCI_STATUS_PARMS lsp;
1644
1645 lsp = (LPMCI_STATUS_PARMS)(void*)dwParam2;
1646 TRACE("Changing %08lx to %08lx\n", lsp->dwReturn, (DWORD)LOWORD(lsp->dwReturn));
1647 lsp->dwReturn = LOWORD(lsp->dwReturn);
1648 }
1649 break;
1650 default:
1651 FIXME("Unsupported value for hiword (%04x) returned by DriverProc(%s)\n",
1652 HIWORD(dwRet), MCI_MessageToString(wMsg));
1653 }
1654 break;
1655 case MCI_SYSINFO:
1656 switch (dwRet & 0xFFFF0000ul) {
1657 case 0:
1658 case MCI_INTEGER_RETURNED:
1659 /* nothing to do */
1660 break;
1661 default:
1662 FIXME("Unsupported value for hiword (%04x)\n", HIWORD(dwRet));
1663 }
1664 break;
1665 default:
1666 if (HIWORD(dwRet)) {
1667 FIXME("Got non null hiword for dwRet=0x%08lx for command %s\n",
1668 dwRet, MCI_MessageToString(wMsg));
1669 }
1670 break;
1671 }
1672 return LOWORD(dwRet);
1673 }
1674
1675 /**************************************************************************
1676 * MCI_Init [internal]
1677 *
1678 * Initializes the MCI internal variables.
1679 *
1680 */
1681 BOOL MCI_Init(void)
1682 {
1683 LPSTR ptr1, ptr2;
1684 HKEY hWineConf;
1685 HKEY hkey;
1686 DWORD err;
1687 DWORD type;
1688 DWORD count = 2048;
1689
1690 MCI_InstalledCount = 0;
1691 ptr1 = MCI_lpInstallNames = HeapAlloc(GetProcessHeap(), 0, count);
1692
1693 if (!MCI_lpInstallNames)
1694 return FALSE;
1695
1696 /* FIXME: should do also some registry diving here ? */
1697 if (!(err = RegOpenKeyA(HKEY_LOCAL_MACHINE, "Software\\Wine\\Wine\\Config", &hWineConf)) &&
1698 !(err = RegOpenKeyA(hWineConf, "options", &hkey))) {
1699 err = RegQueryValueExA(hkey, "mci", 0, &type, MCI_lpInstallNames, &count);
1700 RegCloseKey(hkey);
1701
1702 }
1703 if (!err) {
1704 TRACE("Wine => '%s' \n", ptr1);
1705 while ((ptr2 = strchr(ptr1, ':')) != 0) {
1706 *ptr2++ = 0;
1707 TRACE("---> '%s' \n", ptr1);
1708 MCI_InstalledCount++;
1709 ptr1 = ptr2;
1710 }
1711 MCI_InstalledCount++;
1712 TRACE("---> '%s' \n", ptr1);
1713 ptr1 += strlen(ptr1) + 1;
1714 } else {
1715 GetPrivateProfileStringA("mci", NULL, "", MCI_lpInstallNames, count, "SYSTEM.INI");
1716 while (strlen(ptr1) > 0) {
1717 TRACE("---> '%s' \n", ptr1);
1718 ptr1 += strlen(ptr1) + 1;
1719 MCI_InstalledCount++;
1720 }
1721 }
1722 RegCloseKey(hWineConf);
1723 return TRUE;
1724 }
Maarten's multimedia branch