Uses Xrender extension to allow client side font rendering.
[wine] / dlls / msacm / format.c
1 /* -*- tab-width: 8; c-basic-offset: 4 -*- */
2
3 /*
4  *      MSACM32 library
5  *
6  *      Copyright 1998  Patrik Stridvall
7  *                2000  Eric Pouech
8  */
9
10 #include <string.h>
11 #include "winbase.h"
12 #include "winnls.h"
13 #include "winerror.h"
14 #include "windef.h"
15 #include "wingdi.h"
16 #include "winuser.h"
17 #include "wine/unicode.h"
18 #include "debugtools.h"
19 #include "mmsystem.h"
20 #include "msacm.h"
21 #include "msacmdrv.h"
22 #include "wineacm.h"
23
24 DEFAULT_DEBUG_CHANNEL(msacm);
25
26 static  PACMFORMATCHOOSEA       afc;
27
28 struct MSACM_FillFormatData {
29     HWND                hWnd;
30 #define WINE_ACMFF_TAG          0
31 #define WINE_ACMFF_FORMAT       1
32 #define WINE_ACMFF_WFX          2
33     int                 mode;
34     char                szFormatTag[ACMFORMATTAGDETAILS_FORMATTAG_CHARS];
35     PACMFORMATCHOOSEA   afc;
36     DWORD               ret;
37 };
38
39 static BOOL CALLBACK MSACM_FillFormatTagsCB(HACMDRIVERID hadid, 
40                                             PACMFORMATTAGDETAILSA paftd,
41                                             DWORD dwInstance, DWORD fdwSupport)
42 {
43     struct MSACM_FillFormatData*        affd = (struct MSACM_FillFormatData*)dwInstance;
44
45     switch (affd->mode) {
46     case WINE_ACMFF_TAG:
47         if (SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, 
48                                 CB_FINDSTRINGEXACT, 
49                                 (WPARAM)-1, (LPARAM)paftd->szFormatTag) == CB_ERR)
50             SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, 
51                                 CB_ADDSTRING, 0, (DWORD)paftd->szFormatTag);
52         break;
53     case WINE_ACMFF_FORMAT:
54         if (strcmp(affd->szFormatTag, paftd->szFormatTag) == 0) {
55             HACMDRIVER          had;
56
57             if (acmDriverOpen(&had, hadid, 0) == MMSYSERR_NOERROR) {
58                 ACMFORMATDETAILSA       afd;
59                 int                     i, idx;
60                 MMRESULT                mmr;
61                 char                    buffer[ACMFORMATDETAILS_FORMAT_CHARS+16];
62
63                 afd.cbStruct = sizeof(afd);
64                 afd.dwFormatTag = paftd->dwFormatTag;
65                 afd.pwfx = HeapAlloc(MSACM_hHeap, 0, paftd->cbFormatSize);
66                 if (!afd.pwfx) return FALSE;
67                 afd.pwfx->wFormatTag = paftd->dwFormatTag;
68                 afd.pwfx->cbSize = paftd->cbFormatSize;
69                 afd.cbwfx = paftd->cbFormatSize;
70
71                 for (i = 0; i < paftd->cStandardFormats; i++) {
72                     afd.dwFormatIndex = i;
73                     mmr = acmFormatDetailsA(had, &afd, ACM_FORMATDETAILSF_INDEX);
74                     if (mmr == MMSYSERR_NOERROR) {
75                         strncpy(buffer, afd.szFormat, ACMFORMATTAGDETAILS_FORMATTAG_CHARS);
76                         for (idx = strlen(buffer); 
77                              idx < ACMFORMATTAGDETAILS_FORMATTAG_CHARS; idx++)
78                             buffer[idx] = ' ';
79                         wsprintfA(buffer + ACMFORMATTAGDETAILS_FORMATTAG_CHARS, 
80                                   "%d Ko/s", 
81                                   (afd.pwfx->nAvgBytesPerSec + 512) / 1024);
82                         SendDlgItemMessageA(affd->hWnd, 
83                                             IDD_ACMFORMATCHOOSE_CMB_FORMAT, 
84                                             CB_ADDSTRING, 0, (DWORD)buffer);
85                     }
86                 }
87                 acmDriverClose(had, 0);
88                 SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT, 
89                                     CB_SETCURSEL, 0, 0);
90                 HeapFree(MSACM_hHeap, 0, afd.pwfx);
91             } 
92         }
93         break;
94     case WINE_ACMFF_WFX:
95         if (strcmp(affd->szFormatTag, paftd->szFormatTag) == 0) {
96             HACMDRIVER          had;
97
98             if (acmDriverOpen(&had, hadid, 0) == MMSYSERR_NOERROR) {
99                 ACMFORMATDETAILSA       afd;
100
101                 afd.cbStruct = sizeof(afd);
102                 afd.dwFormatTag = paftd->dwFormatTag;
103                 afd.pwfx = affd->afc->pwfx;
104                 afd.cbwfx = affd->afc->cbwfx;
105
106                 afd.dwFormatIndex = SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT, 
107                                                         CB_GETCURSEL, 0, 0);;
108                 affd->ret = acmFormatDetailsA(had, &afd, ACM_FORMATDETAILSF_INDEX);
109                 acmDriverClose(had, 0);
110                 return TRUE;
111             } 
112         }
113         break;
114     default:
115         FIXME("Unknown mode (%d)\n", affd->mode);
116         break;
117     }
118     return TRUE;
119 }
120
121 static BOOL MSACM_FillFormatTags(HWND hWnd)
122 {
123     ACMFORMATTAGDETAILSA        aftd;
124     struct MSACM_FillFormatData affd;
125
126     memset(&aftd, 0, sizeof(aftd));
127     aftd.cbStruct = sizeof(aftd);
128
129     affd.hWnd = hWnd;
130     affd.mode = WINE_ACMFF_TAG;
131
132     acmFormatTagEnumA((HACMDRIVER)0, &aftd, MSACM_FillFormatTagsCB, (DWORD)&affd, 0);
133     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, CB_SETCURSEL, 0, 0);
134     return TRUE;
135 }
136
137 static BOOL MSACM_FillFormat(HWND hWnd)
138 {
139     ACMFORMATTAGDETAILSA        aftd;
140     struct MSACM_FillFormatData affd;
141
142     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT, CB_RESETCONTENT, 0, 0);
143
144     memset(&aftd, 0, sizeof(aftd));
145     aftd.cbStruct = sizeof(aftd);
146
147     affd.hWnd = hWnd;
148     affd.mode = WINE_ACMFF_FORMAT;
149     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, 
150                         CB_GETLBTEXT,
151                         SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, 
152                                             CB_GETCURSEL, 0, 0),
153                         (DWORD)affd.szFormatTag);
154     
155     acmFormatTagEnumA((HACMDRIVER)0, &aftd, MSACM_FillFormatTagsCB, (DWORD)&affd, 0);
156     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT, CB_SETCURSEL, 0, 0);
157     return TRUE;
158 }
159
160 static MMRESULT MSACM_GetWFX(HWND hWnd, PACMFORMATCHOOSEA afc)
161 {
162     ACMFORMATTAGDETAILSA        aftd;
163     struct MSACM_FillFormatData affd;
164
165     memset(&aftd, 0, sizeof(aftd));
166     aftd.cbStruct = sizeof(aftd);
167
168     affd.hWnd = hWnd;
169     affd.mode = WINE_ACMFF_WFX;
170     affd.afc = afc;
171     affd.ret = MMSYSERR_NOERROR;
172     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, 
173                         CB_GETLBTEXT,
174                         SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, 
175                                             CB_GETCURSEL, 0, 0),
176                         (DWORD)affd.szFormatTag);
177
178     acmFormatTagEnumA((HACMDRIVER)0, &aftd, MSACM_FillFormatTagsCB, (DWORD)&affd, 0);
179     return affd.ret;
180 }
181
182 static BOOL WINAPI FormatChooseDlgProc(HWND hWnd, UINT msg, 
183                                        WPARAM wParam, LPARAM lParam)
184 {
185     
186     TRACE("hwnd=%i msg=%i 0x%08x 0x%08lx\n", hWnd,  msg, wParam, lParam );
187     
188     switch (msg) {
189     case WM_INITDIALOG:
190         afc = (PACMFORMATCHOOSEA)lParam;
191         MSACM_FillFormatTags(hWnd);
192         MSACM_FillFormat(hWnd);
193         if ((afc->fdwStyle & ~(ACMFORMATCHOOSE_STYLEF_CONTEXTHELP|
194                                ACMFORMATCHOOSE_STYLEF_SHOWHELP)) != 0)
195             FIXME("Unsupported style %08lx\n", ((PACMFORMATCHOOSEA)lParam)->fdwStyle);
196         if (!(afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_SHOWHELP))
197             ShowWindow(GetDlgItem(hWnd, IDD_ACMFORMATCHOOSE_BTN_HELP), SW_HIDE);
198         return TRUE;
199         
200     case WM_COMMAND:
201         switch (LOWORD(wParam)) {
202         case IDOK:
203             EndDialog(hWnd, MSACM_GetWFX(hWnd, afc));
204             return TRUE;
205         case IDCANCEL:
206             EndDialog(hWnd, ACMERR_CANCELED);
207             return TRUE;
208         case IDD_ACMFORMATCHOOSE_CMB_FORMATTAG:
209             switch (HIWORD(wParam)) {
210             case CBN_SELCHANGE:
211                 MSACM_FillFormat(hWnd);
212                 break;
213             default:
214                 TRACE("Dropped dlgNotif (fmtTag): 0x%08x 0x%08lx\n", 
215                       HIWORD(wParam), lParam);
216                 break;
217             }
218             break;
219         case IDD_ACMFORMATCHOOSE_BTN_HELP:
220             if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_SHOWHELP)
221                 SendMessageA(afc->hwndOwner, 
222                              RegisterWindowMessageA(ACMHELPMSGSTRINGA), 0L, 0L);
223             break;
224             
225         default:
226             TRACE("Dropped dlgCmd: ctl=%d ntf=0x%04x 0x%08lx\n", 
227                   LOWORD(wParam), HIWORD(wParam), lParam);
228             break;
229         }
230         break;
231     case WM_CONTEXTMENU:
232         if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_CONTEXTHELP)
233             SendMessageA(afc->hwndOwner, 
234                          RegisterWindowMessageA(ACMHELPMSGCONTEXTMENUA), 
235                          wParam, lParam);
236         break;
237 #if defined(WM_CONTEXTHELP)
238     case WM_CONTEXTHELP:
239         if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_CONTEXTHELP)
240             SendMessageA(afc->hwndOwner, 
241                          RegisterWindowMessageA(ACMHELPMSGCONTEXTHELPA), 
242                          wParam, lParam);
243         break;
244 #endif       
245     default:
246         TRACE("Dropped dlgMsg: hwnd=%i msg=%i 0x%08x 0x%08lx\n", 
247               hWnd,  msg, wParam, lParam );
248         break;
249     }
250     return FALSE;
251 }
252
253 /***********************************************************************
254  *           acmFormatChooseA (MSACM32.@)
255  */
256 MMRESULT WINAPI acmFormatChooseA(PACMFORMATCHOOSEA pafmtc)
257 {
258     return DialogBoxParamA(MSACM_hInstance32, MAKEINTRESOURCEA(DLG_ACMFORMATCHOOSE_ID),
259                            pafmtc->hwndOwner, FormatChooseDlgProc, (INT)pafmtc);
260 }
261
262 /***********************************************************************
263  *           acmFormatChooseW (MSACM32.@)
264  */
265 MMRESULT WINAPI acmFormatChooseW(PACMFORMATCHOOSEW pafmtc)
266 {
267     FIXME("(%p): stub\n", pafmtc);
268     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
269     return MMSYSERR_ERROR;
270 }
271
272 /***********************************************************************
273  *           acmFormatDetailsA (MSACM32.@)
274  */
275 MMRESULT WINAPI acmFormatDetailsA(HACMDRIVER had, PACMFORMATDETAILSA pafd, 
276                                   DWORD fdwDetails)
277 {
278     ACMFORMATDETAILSW   afdw;
279     MMRESULT            mmr;
280
281     memset(&afdw, 0, sizeof(afdw));
282     afdw.cbStruct = sizeof(afdw);
283     afdw.dwFormatIndex = pafd->dwFormatIndex;
284     afdw.dwFormatTag = pafd->dwFormatTag; 
285     afdw.pwfx = pafd->pwfx; 
286     afdw.cbwfx = pafd->cbwfx; 
287
288     mmr = acmFormatDetailsW(had, &afdw, fdwDetails);
289     if (mmr == MMSYSERR_NOERROR) {
290         pafd->dwFormatTag = afdw.dwFormatTag; 
291         pafd->fdwSupport = afdw.fdwSupport; 
292         WideCharToMultiByte( CP_ACP, 0, afdw.szFormat, -1,
293                              pafd->szFormat, sizeof(pafd->szFormat), NULL, NULL );
294     }
295     return mmr;
296 }
297
298 /***********************************************************************
299  *           acmFormatDetailsW (MSACM32.@)
300  */
301 MMRESULT WINAPI acmFormatDetailsW(HACMDRIVER had, PACMFORMATDETAILSW pafd, DWORD fdwDetails)
302 {
303     MMRESULT                    mmr;
304     static WCHAR                fmt1[] = {'%','d',' ','H','z',0};
305     static WCHAR                fmt2[] = {';',' ','%','d',' ','b','i','t','s',0};
306     ACMFORMATTAGDETAILSA        aftd;
307
308     TRACE("(0x%08x, %p, %ld)\n", had, pafd, fdwDetails);
309
310     memset(&aftd, 0, sizeof(aftd));
311     aftd.cbStruct = sizeof(aftd);
312
313     if (pafd->cbStruct < sizeof(*pafd)) return MMSYSERR_INVALPARAM;
314         
315     switch (fdwDetails) {
316     case ACM_FORMATDETAILSF_FORMAT:
317         if (pafd->dwFormatTag != pafd->pwfx->wFormatTag) {
318             mmr = MMSYSERR_INVALPARAM;
319             break;
320         }
321         if (had == (HACMDRIVER)NULL) {
322             PWINE_ACMDRIVERID           padid;
323
324             mmr = ACMERR_NOTPOSSIBLE;
325             for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
326                 /* should check for codec only */
327                 if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) && 
328                     acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == 0) {
329                     mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
330                     acmDriverClose(had, 0);
331                     if (mmr == MMSYSERR_NOERROR) break;
332                 }
333             }               
334         } else {
335             mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
336         }
337         break;
338     case ACM_FORMATDETAILSF_INDEX:
339         /* should check pafd->dwFormatIndex < aftd->cStandardFormats */
340         mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
341         break;
342     default:
343         WARN("Unknown fdwDetails %08lx\n", fdwDetails);
344         mmr = MMSYSERR_INVALFLAG;
345         break;
346     }
347
348     if (mmr == MMSYSERR_NOERROR && pafd->szFormat[0] == (WCHAR)0) {
349         wsprintfW(pafd->szFormat, fmt1, pafd->pwfx->nSamplesPerSec);
350         if (pafd->pwfx->wBitsPerSample) {
351             wsprintfW(pafd->szFormat + lstrlenW(pafd->szFormat), fmt2, 
352                       pafd->pwfx->wBitsPerSample);
353         }
354         MultiByteToWideChar( CP_ACP, 0, (pafd->pwfx->nChannels == 1) ? "; Mono" : "; Stereo", -1,
355                              pafd->szFormat + strlenW(pafd->szFormat),
356                              sizeof(pafd->szFormat)/sizeof(WCHAR) - strlenW(pafd->szFormat) );
357     }
358
359     TRACE("=> %d\n", mmr);
360     return mmr;
361 }
362
363 struct MSACM_FormatEnumWtoA_Instance {
364     PACMFORMATDETAILSA  pafda;
365     DWORD               dwInstance;
366     ACMFORMATENUMCBA    fnCallback;
367 };
368
369 static BOOL CALLBACK MSACM_FormatEnumCallbackWtoA(HACMDRIVERID hadid,
370                                                   PACMFORMATDETAILSW pafdw,  
371                                                   DWORD dwInstance,             
372                                                   DWORD fdwSupport)
373 {
374     struct MSACM_FormatEnumWtoA_Instance* pafei;
375
376     pafei = (struct MSACM_FormatEnumWtoA_Instance*)dwInstance;
377
378     pafei->pafda->dwFormatIndex = pafdw->dwFormatIndex; 
379     pafei->pafda->dwFormatTag = pafdw->dwFormatTag; 
380     pafei->pafda->fdwSupport = pafdw->fdwSupport; 
381     WideCharToMultiByte( CP_ACP, 0, pafdw->szFormat, -1,
382                          pafei->pafda->szFormat, sizeof(pafei->pafda->szFormat), NULL, NULL );
383
384     return (pafei->fnCallback)(hadid, pafei->pafda, 
385                                pafei->dwInstance, fdwSupport);
386 }
387
388 /***********************************************************************
389  *           acmFormatEnumA (MSACM32.@)
390  */
391 MMRESULT WINAPI acmFormatEnumA(HACMDRIVER had, PACMFORMATDETAILSA pafda,
392                                ACMFORMATENUMCBA fnCallback, DWORD dwInstance, 
393                                DWORD fdwEnum)
394 {
395     ACMFORMATDETAILSW           afdw;
396     struct MSACM_FormatEnumWtoA_Instance afei;
397
398     memset(&afdw, 0, sizeof(afdw));
399     afdw.cbStruct = sizeof(afdw);
400     afdw.dwFormatIndex = pafda->dwFormatIndex;
401     afdw.dwFormatTag = pafda->dwFormatTag;
402     afdw.pwfx = pafda->pwfx;
403     afdw.cbwfx = pafda->cbwfx;
404
405     afei.pafda = pafda;
406     afei.dwInstance = dwInstance;
407     afei.fnCallback = fnCallback;
408
409     return acmFormatEnumW(had, &afdw, MSACM_FormatEnumCallbackWtoA, 
410                           (DWORD)&afei, fdwEnum);
411 }
412
413 /***********************************************************************
414  *           acmFormatEnumW (MSACM32.@)
415  */
416 static BOOL MSACM_FormatEnumHelper(PWINE_ACMDRIVERID padid, HACMDRIVER had, 
417                                    PACMFORMATDETAILSW pafd, PWAVEFORMATEX pwfxRef, 
418                                    ACMFORMATENUMCBW fnCallback, DWORD dwInstance,  
419                                    DWORD fdwEnum)
420 {
421     ACMFORMATTAGDETAILSW        aftd;
422     int                         i, j;
423
424     for (i = 0; i < padid->cFormatTags; i++) {
425         memset(&aftd, 0, sizeof(aftd));
426         aftd.cbStruct = sizeof(aftd);
427         aftd.dwFormatTagIndex = i;
428         if (acmFormatTagDetailsW(had, &aftd, ACM_FORMATTAGDETAILSF_INDEX) != MMSYSERR_NOERROR)
429             continue;
430         
431         if ((fdwEnum & ACM_FORMATENUMF_WFORMATTAG) && aftd.dwFormatTag != pwfxRef->wFormatTag)
432             continue;
433         
434         for (j = 0; j < aftd.cStandardFormats; j++) {
435             pafd->dwFormatIndex = j;
436             pafd->dwFormatTag = aftd.dwFormatTag;
437             if (acmFormatDetailsW(had, pafd, ACM_FORMATDETAILSF_INDEX) != MMSYSERR_NOERROR) 
438                 continue;
439             
440             if ((fdwEnum & ACM_FORMATENUMF_NCHANNELS) && 
441                 pafd->pwfx->nChannels != pwfxRef->nChannels)
442                 continue;
443             if ((fdwEnum & ACM_FORMATENUMF_NSAMPLESPERSEC) && 
444                 pafd->pwfx->nSamplesPerSec != pwfxRef->nSamplesPerSec)
445                 continue;
446             if ((fdwEnum & ACM_FORMATENUMF_WBITSPERSAMPLE) && 
447                 pafd->pwfx->wBitsPerSample != pwfxRef->wBitsPerSample)
448                 continue;
449             if ((fdwEnum & ACM_FORMATENUMF_HARDWARE) &&
450                 !(pafd->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_HARDWARE))
451                 continue;
452             
453             /* more checks to be done on fdwEnum */
454
455             if (!(fnCallback)((HACMDRIVERID)padid, pafd, dwInstance, padid->fdwSupport))
456                 return FALSE; 
457         }
458         /* the "formats" used by the filters are also reported */
459     }
460     return TRUE;
461 }
462
463 /**********************************************************************/
464
465 MMRESULT WINAPI acmFormatEnumW(HACMDRIVER had, PACMFORMATDETAILSW pafd,
466                                ACMFORMATENUMCBW fnCallback, DWORD dwInstance,  
467                                DWORD fdwEnum)
468 {
469     PWINE_ACMDRIVERID           padid;
470     WAVEFORMATEX                wfxRef;
471     BOOL                        ret;
472
473     TRACE("(0x%08x, %p, %p, %ld, %ld)\n",
474           had, pafd, fnCallback, dwInstance, fdwEnum);
475
476     if (pafd->cbStruct < sizeof(*pafd)) return MMSYSERR_INVALPARAM;
477
478     if (fdwEnum & (ACM_FORMATENUMF_WFORMATTAG|ACM_FORMATENUMF_NCHANNELS|
479                    ACM_FORMATENUMF_NSAMPLESPERSEC|ACM_FORMATENUMF_WBITSPERSAMPLE|
480                    ACM_FORMATENUMF_CONVERT|ACM_FORMATENUMF_SUGGEST))
481         wfxRef = *pafd->pwfx;
482
483     if ((fdwEnum & ACM_FORMATENUMF_HARDWARE) && 
484         !(fdwEnum & (ACM_FORMATENUMF_INPUT|ACM_FORMATENUMF_OUTPUT)))
485         return MMSYSERR_INVALPARAM;
486
487     if ((fdwEnum & ACM_FORMATENUMF_WFORMATTAG) &&
488         (pafd->dwFormatTag != pafd->pwfx->wFormatTag))
489         return MMSYSERR_INVALPARAM;
490
491     if (fdwEnum & (ACM_FORMATENUMF_CONVERT|ACM_FORMATENUMF_SUGGEST|
492                    ACM_FORMATENUMF_INPUT|ACM_FORMATENUMF_OUTPUT))
493         FIXME("Unsupported fdwEnum values %08lx\n", fdwEnum);
494
495     if (had) {
496         HACMDRIVERID    hadid;
497
498         if (acmDriverID(had, &hadid, 0) != MMSYSERR_NOERROR)
499             return MMSYSERR_INVALHANDLE;
500         MSACM_FormatEnumHelper(MSACM_GetDriverID(hadid), had, pafd, &wfxRef, 
501                                fnCallback, dwInstance, fdwEnum);
502         return MMSYSERR_NOERROR;
503     }
504     for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
505             /* should check for codec only */
506             if ((padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) || 
507                 acmDriverOpen(&had, (HACMDRIVERID)padid, 0) != MMSYSERR_NOERROR)
508                 continue;
509             ret = MSACM_FormatEnumHelper(padid, had, pafd, &wfxRef, 
510                                          fnCallback, dwInstance, fdwEnum);
511             acmDriverClose(had, 0);
512             if (!ret) break;
513     }
514     return MMSYSERR_NOERROR;
515 }
516
517 /***********************************************************************
518  *           acmFormatSuggest (MSACM32.@)
519  */
520 MMRESULT WINAPI acmFormatSuggest(HACMDRIVER had, PWAVEFORMATEX pwfxSrc, 
521                                  PWAVEFORMATEX pwfxDst, DWORD cbwfxDst, DWORD fdwSuggest)
522 {
523     ACMDRVFORMATSUGGEST adfg;
524     MMRESULT            mmr;
525
526     TRACE("(0x%08x, %p, %p, %ld, %ld)\n", 
527           had, pwfxSrc, pwfxDst, cbwfxDst, fdwSuggest);
528
529     if (fdwSuggest & ~(ACM_FORMATSUGGESTF_NCHANNELS|ACM_FORMATSUGGESTF_NSAMPLESPERSEC|
530                        ACM_FORMATSUGGESTF_WBITSPERSAMPLE|ACM_FORMATSUGGESTF_WFORMATTAG))
531         return MMSYSERR_INVALFLAG;
532
533     adfg.cbStruct = sizeof(adfg);
534     adfg.fdwSuggest = fdwSuggest;
535     adfg.pwfxSrc = pwfxSrc;
536     adfg.cbwfxSrc = (pwfxSrc->wFormatTag == WAVE_FORMAT_PCM) ?
537         sizeof(WAVEFORMATEX) : pwfxSrc->cbSize;
538     adfg.pwfxDst = pwfxDst;
539     adfg.cbwfxDst = cbwfxDst;
540
541     if (had == (HACMDRIVER)NULL) {
542         PWINE_ACMDRIVERID       padid;
543         
544         /* MS doc says: ACM finds the best suggestion. 
545          * Well, first found will be the "best"
546          */
547         mmr = ACMERR_NOTPOSSIBLE;
548         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
549             /* should check for codec only */
550             if ((padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) ||
551                 acmDriverOpen(&had, (HACMDRIVERID)padid, 0) != MMSYSERR_NOERROR)
552                 continue;
553             
554             if (MSACM_Message(had, ACMDM_FORMAT_SUGGEST, (LPARAM)&adfg, 0L) == MMSYSERR_NOERROR) {
555                 mmr = MMSYSERR_NOERROR;
556                 break;
557             }
558             acmDriverClose(had, 0);
559         }
560     } else {
561         mmr = MSACM_Message(had, ACMDM_FORMAT_SUGGEST, (LPARAM)&adfg, 0L);
562     }
563     return mmr;
564 }
565
566 /***********************************************************************
567  *           acmFormatTagDetailsA (MSACM32.@)
568  */
569 MMRESULT WINAPI acmFormatTagDetailsA(HACMDRIVER had, PACMFORMATTAGDETAILSA paftda, 
570                                      DWORD fdwDetails)
571 {
572     ACMFORMATTAGDETAILSW        aftdw;
573     MMRESULT                    mmr;
574
575     memset(&aftdw, 0, sizeof(aftdw));
576     aftdw.cbStruct = sizeof(aftdw);
577     aftdw.dwFormatTagIndex = paftda->dwFormatTagIndex;
578     aftdw.dwFormatTag = paftda->dwFormatTag;
579
580     mmr = acmFormatTagDetailsW(had, &aftdw, fdwDetails);
581     if (mmr == MMSYSERR_NOERROR) {
582         paftda->dwFormatTag = aftdw.dwFormatTag; 
583         paftda->dwFormatTagIndex = aftdw.dwFormatTagIndex;
584         paftda->cbFormatSize = aftdw.cbFormatSize; 
585         paftda->fdwSupport = aftdw.fdwSupport; 
586         paftda->cStandardFormats = aftdw.cStandardFormats; 
587         WideCharToMultiByte( CP_ACP, 0, aftdw.szFormatTag, -1, paftda->szFormatTag,
588                              sizeof(paftda->szFormatTag), NULL, NULL );
589     }
590     return mmr;
591 }
592
593 /***********************************************************************
594  *           acmFormatTagDetailsW (MSACM32.@)
595  */
596 MMRESULT WINAPI acmFormatTagDetailsW(HACMDRIVER had, PACMFORMATTAGDETAILSW paftd, 
597                                      DWORD fdwDetails)
598 {
599     PWINE_ACMDRIVERID   padid;
600     MMRESULT            mmr = ACMERR_NOTPOSSIBLE;
601
602     TRACE("(0x%08x, %p, %ld)\n", had, paftd, fdwDetails);
603
604     if (fdwDetails & ~(ACM_FORMATTAGDETAILSF_FORMATTAG|ACM_FORMATTAGDETAILSF_INDEX|
605                        ACM_FORMATTAGDETAILSF_LARGESTSIZE))
606         return MMSYSERR_INVALFLAG;
607
608     switch (fdwDetails) {
609     case ACM_FORMATTAGDETAILSF_FORMATTAG:
610         if (had == (HACMDRIVER)NULL) {
611             for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
612                 /* should check for codec only */
613                 if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) && 
614                     MSACM_FindFormatTagInCache(padid, paftd->dwFormatTag, NULL) &&
615                     acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == 0) {
616                     mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
617                     acmDriverClose(had, 0);
618                     if (mmr == MMSYSERR_NOERROR) break;
619                 }
620             }
621         } else {
622             PWINE_ACMDRIVER     pad = MSACM_GetDriver(had);
623             
624             if (pad && MSACM_FindFormatTagInCache(pad->obj.pACMDriverID, paftd->dwFormatTag, NULL))
625                 mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
626         }
627         break;
628
629     case ACM_FORMATTAGDETAILSF_INDEX:
630         if (had != (HACMDRIVER)NULL) {
631             PWINE_ACMDRIVER     pad = MSACM_GetDriver(had);
632             
633             if (pad && paftd->dwFormatTagIndex < pad->obj.pACMDriverID->cFormatTags)
634                 mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
635         } 
636         break;
637
638     case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
639         if (had == (HACMDRIVER)NULL) {
640             ACMFORMATTAGDETAILSW        tmp;
641             DWORD                       ft = paftd->dwFormatTag;
642
643             for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
644                 /* should check for codec only */
645                 if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) && 
646                     acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == 0) {
647
648                     memset(&tmp, 0, sizeof(tmp));
649                     tmp.cbStruct = sizeof(tmp);
650                     tmp.dwFormatTag = ft;
651
652                     if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, 
653                                       (LPARAM)&tmp, fdwDetails) == MMSYSERR_NOERROR) {
654                         if (mmr == ACMERR_NOTPOSSIBLE ||
655                             paftd->cbFormatSize < tmp.cbFormatSize) {
656                             *paftd = tmp;
657                             mmr = MMSYSERR_NOERROR;
658                         } 
659                     }
660                     acmDriverClose(had, 0);
661                 }
662             }
663         } else {
664             mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
665         }
666         break;
667
668     default:
669         WARN("Unsupported fdwDetails=%08lx\n", fdwDetails);
670         mmr = MMSYSERR_ERROR;
671     }
672
673     if (mmr == MMSYSERR_NOERROR && 
674         paftd->dwFormatTag == WAVE_FORMAT_PCM && paftd->szFormatTag[0] == 0)
675         MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
676                              sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
677
678     return mmr;
679 }
680
681 struct MSACM_FormatTagEnumWtoA_Instance {
682     PACMFORMATTAGDETAILSA       paftda;
683     DWORD                       dwInstance;
684     ACMFORMATTAGENUMCBA         fnCallback;
685 };
686
687 static BOOL CALLBACK MSACM_FormatTagEnumCallbackWtoA(HACMDRIVERID hadid,
688                                                      PACMFORMATTAGDETAILSW paftdw,  
689                                                      DWORD dwInstance,             
690                                                      DWORD fdwSupport)
691 {
692     struct MSACM_FormatTagEnumWtoA_Instance* paftei;
693
694     paftei = (struct MSACM_FormatTagEnumWtoA_Instance*)dwInstance;
695
696     paftei->paftda->dwFormatTagIndex = paftdw->dwFormatTagIndex; 
697     paftei->paftda->dwFormatTag = paftdw->dwFormatTag; 
698     paftei->paftda->cbFormatSize = paftdw->cbFormatSize; 
699     paftei->paftda->fdwSupport = paftdw->fdwSupport; 
700     paftei->paftda->cStandardFormats = paftdw->cStandardFormats; 
701     WideCharToMultiByte( CP_ACP, 0, paftdw->szFormatTag, -1, paftei->paftda->szFormatTag,
702                          sizeof(paftei->paftda->szFormatTag), NULL, NULL );
703
704     return (paftei->fnCallback)(hadid, paftei->paftda, 
705                                 paftei->dwInstance, fdwSupport);
706 }
707
708 /***********************************************************************
709  *           acmFormatTagEnumA (MSACM32.@)
710  */
711 MMRESULT WINAPI acmFormatTagEnumA(HACMDRIVER had, PACMFORMATTAGDETAILSA paftda,
712                                   ACMFORMATTAGENUMCBA fnCallback, DWORD dwInstance, 
713                                   DWORD fdwEnum)
714 {
715     ACMFORMATTAGDETAILSW        aftdw;
716     struct MSACM_FormatTagEnumWtoA_Instance aftei;
717
718     memset(&aftdw, 0, sizeof(aftdw));
719     aftdw.cbStruct = sizeof(aftdw);
720     aftdw.dwFormatTagIndex = paftda->dwFormatTagIndex;
721     aftdw.dwFormatTag = paftda->dwFormatTag;
722
723     aftei.paftda = paftda;
724     aftei.dwInstance = dwInstance;
725     aftei.fnCallback = fnCallback;
726
727     return acmFormatTagEnumW(had, &aftdw, MSACM_FormatTagEnumCallbackWtoA, 
728                              (DWORD)&aftei, fdwEnum);
729 }
730
731 /***********************************************************************
732  *           acmFormatTagEnumW (MSACM32.@)
733  */
734 MMRESULT WINAPI acmFormatTagEnumW(HACMDRIVER had, PACMFORMATTAGDETAILSW paftd,
735                                   ACMFORMATTAGENUMCBW fnCallback, DWORD dwInstance, 
736                                   DWORD fdwEnum)
737 {
738     PWINE_ACMDRIVERID           padid;
739     int                         i;
740     BOOL                        bPcmDone = FALSE;
741
742     TRACE("(0x%08x, %p, %p, %ld, %ld)\n",
743           had, paftd, fnCallback, dwInstance, fdwEnum); 
744
745     if (paftd->cbStruct < sizeof(*paftd)) return MMSYSERR_INVALPARAM;
746
747     if (had) FIXME("had != NULL, not supported\n");
748     
749     for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
750         /* should check for codec only */
751         if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) && 
752             acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == MMSYSERR_NOERROR) {
753             for (i = 0; i < padid->cFormatTags; i++) {
754                 paftd->dwFormatTagIndex = i;
755                 if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
756                                   (LPARAM)paftd, ACM_FORMATTAGDETAILSF_INDEX) == MMSYSERR_NOERROR) {
757                     if (paftd->dwFormatTag == WAVE_FORMAT_PCM) {
758                         if (paftd->szFormatTag[0] == 0)
759                             MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
760                                                  sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
761                         /* FIXME (EPP): I'm not sure this is the correct 
762                          * algorithm (should make more sense to apply the same
763                          * for all already loaded formats, but this will do 
764                          * for now
765                          */
766                         if (bPcmDone) continue;
767                         bPcmDone = TRUE;
768                     }
769                     if (!(fnCallback)((HACMDRIVERID)padid, paftd, dwInstance, padid->fdwSupport)) {
770                         padid = NULL; /* to exist the two nested for loops */
771                         break;
772                     }
773                 }
774             }
775         }
776         acmDriverClose(had, 0);
777     }
778     return MMSYSERR_NOERROR;
779 }