git.oblomov.eu Git - wine/blob - dlls/msacm32/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  * 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.
  13  *
  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.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  22  */
  23
  24 #include <stdarg.h>
  25 #include <string.h>
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winnls.h"
  29 #include "winerror.h"
  30 #include "wingdi.h"
  31 #include "winuser.h"
  32 #include "wine/unicode.h"
  33 #include "wine/debug.h"
  34 #include "mmsystem.h"
  35 #include "mmreg.h"
  36 #include "msacm.h"
  37 #include "msacmdrv.h"
  38 #include "wineacm.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(msacm);
  41
  42 static  PACMFORMATCHOOSEA       afc;
  43
  44 struct MSACM_FillFormatData {
  45     HWND                hWnd;
  46 #define WINE_ACMFF_TAG          0
  47 #define WINE_ACMFF_FORMAT       1
  48 #define WINE_ACMFF_WFX          2
  49     int                 mode;
  50     char                szFormatTag[ACMFORMATTAGDETAILS_FORMATTAG_CHARS];
  51     PACMFORMATCHOOSEA   afc;
  52     DWORD               ret;
  53 };
  54
  55 static BOOL CALLBACK MSACM_FillFormatTagsCB(HACMDRIVERID hadid,
  56                                             PACMFORMATTAGDETAILSA paftd,
  57                                             DWORD_PTR dwInstance,
  58                                             DWORD fdwSupport)
  59 {
  60     struct MSACM_FillFormatData*        affd = (struct MSACM_FillFormatData*)dwInstance;
  61
  62     switch (affd->mode) {
  63     case WINE_ACMFF_TAG:
  64         if (SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
  65                                 CB_FINDSTRINGEXACT, -1,
  66                                 (LPARAM)paftd->szFormatTag) == CB_ERR)
  67             SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
  68                                 CB_ADDSTRING, 0, (LPARAM)paftd->szFormatTag);
  69         break;
  70     case WINE_ACMFF_FORMAT:
  71         if (strcmp(affd->szFormatTag, paftd->szFormatTag) == 0) {
  72             HACMDRIVER          had;
  73
  74             if (acmDriverOpen(&had, hadid, 0) == MMSYSERR_NOERROR) {
  75                 ACMFORMATDETAILSA       afd;
  76                unsigned int            i, len;
  77                 MMRESULT                mmr;
  78                 char                    buffer[ACMFORMATDETAILS_FORMAT_CHARS+16];
  79
  80                 afd.cbStruct = sizeof(afd);
  81                 afd.dwFormatTag = paftd->dwFormatTag;
  82                 afd.pwfx = HeapAlloc(MSACM_hHeap, 0, paftd->cbFormatSize);
  83                 if (!afd.pwfx) return FALSE;
  84                 afd.pwfx->wFormatTag = paftd->dwFormatTag;
  85                 afd.pwfx->cbSize = paftd->cbFormatSize;
  86                 afd.cbwfx = paftd->cbFormatSize;
  87
  88                 for (i = 0; i < paftd->cStandardFormats; i++) {
  89                     afd.dwFormatIndex = i;
  90                     mmr = acmFormatDetailsA(had, &afd, ACM_FORMATDETAILSF_INDEX);
  91                     if (mmr == MMSYSERR_NOERROR) {
  92                        lstrcpynA(buffer, afd.szFormat, ACMFORMATTAGDETAILS_FORMATTAG_CHARS + 1);
  93                        len = strlen(buffer);
  94                        memset(buffer+len, ' ', ACMFORMATTAGDETAILS_FORMATTAG_CHARS - len);
  95                         wsprintfA(buffer + ACMFORMATTAGDETAILS_FORMATTAG_CHARS,
  96                                   "%d Ko/s",
  97                                   (afd.pwfx->nAvgBytesPerSec + 512) / 1024);
  98                         SendDlgItemMessageA(affd->hWnd,
  99                                             IDD_ACMFORMATCHOOSE_CMB_FORMAT,
 100                                             CB_ADDSTRING, 0, (LPARAM)buffer);
 101                     }
 102                 }
 103                 acmDriverClose(had, 0);
 104                 SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT,
 105                                     CB_SETCURSEL, 0, 0);
 106                 HeapFree(MSACM_hHeap, 0, afd.pwfx);
 107             }
 108         }
 109         break;
 110     case WINE_ACMFF_WFX:
 111         if (strcmp(affd->szFormatTag, paftd->szFormatTag) == 0) {
 112             HACMDRIVER          had;
 113
 114             if (acmDriverOpen(&had, hadid, 0) == MMSYSERR_NOERROR) {
 115                 ACMFORMATDETAILSA       afd;
 116
 117                 afd.cbStruct = sizeof(afd);
 118                 afd.dwFormatTag = paftd->dwFormatTag;
 119                 afd.pwfx = affd->afc->pwfx;
 120                 afd.cbwfx = affd->afc->cbwfx;
 121
 122                 afd.dwFormatIndex = SendDlgItemMessageA(affd->hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT,
 123                                                         CB_GETCURSEL, 0, 0);
 124                 affd->ret = acmFormatDetailsA(had, &afd, ACM_FORMATDETAILSF_INDEX);
 125                 acmDriverClose(had, 0);
 126                 return TRUE;
 127             }
 128         }
 129         break;
 130     default:
 131         FIXME("Unknown mode (%d)\n", affd->mode);
 132         break;
 133     }
 134     return TRUE;
 135 }
 136
 137 static BOOL MSACM_FillFormatTags(HWND hWnd)
 138 {
 139     ACMFORMATTAGDETAILSA        aftd;
 140     struct MSACM_FillFormatData affd;
 141
 142     memset(&aftd, 0, sizeof(aftd));
 143     aftd.cbStruct = sizeof(aftd);
 144
 145     affd.hWnd = hWnd;
 146     affd.mode = WINE_ACMFF_TAG;
 147
 148     acmFormatTagEnumA(NULL, &aftd, MSACM_FillFormatTagsCB, (DWORD_PTR)&affd, 0);
 149     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG, CB_SETCURSEL, 0, 0);
 150     return TRUE;
 151 }
 152
 153 static BOOL MSACM_FillFormat(HWND hWnd)
 154 {
 155     ACMFORMATTAGDETAILSA        aftd;
 156     struct MSACM_FillFormatData affd;
 157
 158     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT, CB_RESETCONTENT, 0, 0);
 159
 160     memset(&aftd, 0, sizeof(aftd));
 161     aftd.cbStruct = sizeof(aftd);
 162
 163     affd.hWnd = hWnd;
 164     affd.mode = WINE_ACMFF_FORMAT;
 165     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
 166                         CB_GETLBTEXT,
 167                         SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
 168                                             CB_GETCURSEL, 0, 0),
 169                         (LPARAM)affd.szFormatTag);
 170
 171     acmFormatTagEnumA(NULL, &aftd, MSACM_FillFormatTagsCB, (DWORD_PTR)&affd, 0);
 172     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMAT, CB_SETCURSEL, 0, 0);
 173     return TRUE;
 174 }
 175
 176 static MMRESULT MSACM_GetWFX(HWND hWnd, PACMFORMATCHOOSEA afc)
 177 {
 178     ACMFORMATTAGDETAILSA        aftd;
 179     struct MSACM_FillFormatData affd;
 180
 181     memset(&aftd, 0, sizeof(aftd));
 182     aftd.cbStruct = sizeof(aftd);
 183
 184     affd.hWnd = hWnd;
 185     affd.mode = WINE_ACMFF_WFX;
 186     affd.afc = afc;
 187     affd.ret = MMSYSERR_NOERROR;
 188     SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
 189                         CB_GETLBTEXT,
 190                         SendDlgItemMessageA(hWnd, IDD_ACMFORMATCHOOSE_CMB_FORMATTAG,
 191                                             CB_GETCURSEL, 0, 0),
 192                         (LPARAM)affd.szFormatTag);
 193
 194     acmFormatTagEnumA(NULL, &aftd, MSACM_FillFormatTagsCB, (DWORD_PTR)&affd, 0);
 195     return affd.ret;
 196 }
 197
 198 static INT_PTR CALLBACK FormatChooseDlgProc(HWND hWnd, UINT msg,
 199                                        WPARAM wParam, LPARAM lParam)
 200 {
 201
 202     TRACE("hwnd=%p msg=%i 0x%08lx 0x%08lx\n", hWnd,  msg, wParam, lParam );
 203
 204     switch (msg) {
 205     case WM_INITDIALOG:
 206         afc = (PACMFORMATCHOOSEA)lParam;
 207         MSACM_FillFormatTags(hWnd);
 208         MSACM_FillFormat(hWnd);
 209         if ((afc->fdwStyle & ~(ACMFORMATCHOOSE_STYLEF_CONTEXTHELP|
 210                                ACMFORMATCHOOSE_STYLEF_SHOWHELP)) != 0)
 211             FIXME("Unsupported style %08x\n", ((PACMFORMATCHOOSEA)lParam)->fdwStyle);
 212         if (!(afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_SHOWHELP))
 213             ShowWindow(GetDlgItem(hWnd, IDD_ACMFORMATCHOOSE_BTN_HELP), SW_HIDE);
 214         return TRUE;
 215
 216     case WM_COMMAND:
 217         switch (LOWORD(wParam)) {
 218         case IDOK:
 219             EndDialog(hWnd, MSACM_GetWFX(hWnd, afc));
 220             return TRUE;
 221         case IDCANCEL:
 222             EndDialog(hWnd, ACMERR_CANCELED);
 223             return TRUE;
 224         case IDD_ACMFORMATCHOOSE_CMB_FORMATTAG:
 225             switch (HIWORD(wParam)) {
 226             case CBN_SELCHANGE:
 227                 MSACM_FillFormat(hWnd);
 228                 break;
 229             default:
 230                 TRACE("Dropped dlgNotif (fmtTag): 0x%08x 0x%08lx\n",
 231                       HIWORD(wParam), lParam);
 232                 break;
 233             }
 234             break;
 235         case IDD_ACMFORMATCHOOSE_BTN_HELP:
 236             if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_SHOWHELP)
 237                 SendMessageA(afc->hwndOwner,
 238                              RegisterWindowMessageA(ACMHELPMSGSTRINGA), 0L, 0L);
 239             break;
 240
 241         default:
 242             TRACE("Dropped dlgCmd: ctl=%d ntf=0x%04x 0x%08lx\n",
 243                   LOWORD(wParam), HIWORD(wParam), lParam);
 244             break;
 245         }
 246         break;
 247     case WM_CONTEXTMENU:
 248         if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_CONTEXTHELP)
 249             SendMessageA(afc->hwndOwner,
 250                          RegisterWindowMessageA(ACMHELPMSGCONTEXTMENUA),
 251                          wParam, lParam);
 252         break;
 253 #if defined(WM_CONTEXTHELP)
 254     case WM_CONTEXTHELP:
 255         if (afc->fdwStyle & ACMFORMATCHOOSE_STYLEF_CONTEXTHELP)
 256             SendMessageA(afc->hwndOwner,
 257                          RegisterWindowMessageA(ACMHELPMSGCONTEXTHELPA),
 258                          wParam, lParam);
 259         break;
 260 #endif
 261     default:
 262         TRACE("Dropped dlgMsg: hwnd=%p msg=%i 0x%08lx 0x%08lx\n",
 263               hWnd,  msg, wParam, lParam );
 264         break;
 265     }
 266     return FALSE;
 267 }
 268
 269 /***********************************************************************
 270  *           acmFormatChooseA (MSACM32.@)
 271  */
 272 MMRESULT WINAPI acmFormatChooseA(PACMFORMATCHOOSEA pafmtc)
 273 {
 274     return DialogBoxParamA(MSACM_hInstance32, MAKEINTRESOURCEA(DLG_ACMFORMATCHOOSE_ID),
 275                            pafmtc->hwndOwner, FormatChooseDlgProc, (LPARAM)pafmtc);
 276 }
 277
 278 /***********************************************************************
 279  *           acmFormatChooseW (MSACM32.@)
 280  */
 281 MMRESULT WINAPI acmFormatChooseW(PACMFORMATCHOOSEW pafmtc)
 282 {
 283     FIXME("(%p): stub\n", pafmtc);
 284     SetLastError(ERROR_CALL_NOT_IMPLEMENTED);
 285     return MMSYSERR_ERROR;
 286 }
 287
 288 /***********************************************************************
 289  *           acmFormatDetailsA (MSACM32.@)
 290  */
 291 MMRESULT WINAPI acmFormatDetailsA(HACMDRIVER had, PACMFORMATDETAILSA pafd,
 292                                   DWORD fdwDetails)
 293 {
 294     ACMFORMATDETAILSW   afdw;
 295     MMRESULT            mmr;
 296
 297     memset(&afdw, 0, sizeof(afdw));
 298     afdw.cbStruct = sizeof(afdw);
 299     afdw.dwFormatIndex = pafd->dwFormatIndex;
 300     afdw.dwFormatTag = pafd->dwFormatTag;
 301     afdw.pwfx = pafd->pwfx;
 302     afdw.cbwfx = pafd->cbwfx;
 303
 304     mmr = acmFormatDetailsW(had, &afdw, fdwDetails);
 305     if (mmr == MMSYSERR_NOERROR) {
 306         pafd->dwFormatTag = afdw.dwFormatTag;
 307         pafd->fdwSupport = afdw.fdwSupport;
 308         WideCharToMultiByte( CP_ACP, 0, afdw.szFormat, -1,
 309                              pafd->szFormat, sizeof(pafd->szFormat), NULL, NULL );
 310     }
 311     return mmr;
 312 }
 313
 314 /***********************************************************************
 315  *           acmFormatDetailsW (MSACM32.@)
 316  */
 317 MMRESULT WINAPI acmFormatDetailsW(HACMDRIVER had, PACMFORMATDETAILSW pafd, DWORD fdwDetails)
 318 {
 319     MMRESULT                    mmr;
 320     static const WCHAR          fmt1[] = {'%','d',' ','H','z',0};
 321     static const WCHAR          fmt2[] = {';',' ','%','d',' ','b','i','t','s',0};
 322     ACMFORMATTAGDETAILSA        aftd;
 323
 324     TRACE("(%p, %p, %d)\n", had, pafd, fdwDetails);
 325
 326     memset(&aftd, 0, sizeof(aftd));
 327     aftd.cbStruct = sizeof(aftd);
 328
 329     if (pafd->cbStruct < sizeof(*pafd)) return MMSYSERR_INVALPARAM;
 330
 331     switch (fdwDetails) {
 332     case ACM_FORMATDETAILSF_FORMAT:
 333         if (pafd->dwFormatTag != pafd->pwfx->wFormatTag) {
 334             mmr = MMSYSERR_INVALPARAM;
 335             break;
 336         }
 337         if (had == NULL) {
 338             PWINE_ACMDRIVERID           padid;
 339
 340             mmr = ACMERR_NOTPOSSIBLE;
 341             for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
 342                 /* should check for codec only */
 343                 if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
 344                     acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == 0) {
 345                     mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
 346                     acmDriverClose(had, 0);
 347                     if (mmr == MMSYSERR_NOERROR) break;
 348                 }
 349             }
 350         } else {
 351             mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
 352         }
 353         break;
 354     case ACM_FORMATDETAILSF_INDEX:
 355         /* should check pafd->dwFormatIndex < aftd->cStandardFormats */
 356         mmr = MSACM_Message(had, ACMDM_FORMAT_DETAILS, (LPARAM)pafd, fdwDetails);
 357         break;
 358     default:
 359         WARN("Unknown fdwDetails %08x\n", fdwDetails);
 360         mmr = MMSYSERR_INVALFLAG;
 361         break;
 362     }
 363
 364     if (mmr == MMSYSERR_NOERROR && pafd->szFormat[0] == 0) {
 365         wsprintfW(pafd->szFormat, fmt1, pafd->pwfx->nSamplesPerSec);
 366         if (pafd->pwfx->wBitsPerSample) {
 367             wsprintfW(pafd->szFormat + lstrlenW(pafd->szFormat), fmt2,
 368                       pafd->pwfx->wBitsPerSample);
 369         }
 370         MultiByteToWideChar( CP_ACP, 0, (pafd->pwfx->nChannels == 1) ? "; Mono" : "; Stereo", -1,
 371                              pafd->szFormat + strlenW(pafd->szFormat),
 372                              sizeof(pafd->szFormat)/sizeof(WCHAR) - strlenW(pafd->szFormat) );
 373     }
 374
 375     TRACE("=> %d\n", mmr);
 376     return mmr;
 377 }
 378
 379 struct MSACM_FormatEnumWtoA_Instance {
 380     PACMFORMATDETAILSA pafda;
 381     DWORD_PTR          dwInstance;
 382     ACMFORMATENUMCBA   fnCallback;
 383 };
 384
 385 static BOOL CALLBACK MSACM_FormatEnumCallbackWtoA(HACMDRIVERID hadid,
 386                                                   PACMFORMATDETAILSW pafdw,
 387                                                   DWORD_PTR dwInstance,
 388                                                   DWORD fdwSupport)
 389 {
 390     struct MSACM_FormatEnumWtoA_Instance* pafei;
 391
 392     pafei = (struct MSACM_FormatEnumWtoA_Instance*)dwInstance;
 393
 394     pafei->pafda->dwFormatIndex = pafdw->dwFormatIndex;
 395     pafei->pafda->dwFormatTag = pafdw->dwFormatTag;
 396     pafei->pafda->fdwSupport = pafdw->fdwSupport;
 397     WideCharToMultiByte( CP_ACP, 0, pafdw->szFormat, -1,
 398                          pafei->pafda->szFormat, sizeof(pafei->pafda->szFormat), NULL, NULL );
 399
 400     return (pafei->fnCallback)(hadid, pafei->pafda,
 401                                pafei->dwInstance, fdwSupport);
 402 }
 403
 404 /***********************************************************************
 405  *           acmFormatEnumA (MSACM32.@)
 406  */
 407 MMRESULT WINAPI acmFormatEnumA(HACMDRIVER had, PACMFORMATDETAILSA pafda,
 408                                ACMFORMATENUMCBA fnCallback,
 409                                DWORD_PTR dwInstance, DWORD fdwEnum)
 410 {
 411     ACMFORMATDETAILSW           afdw;
 412     struct MSACM_FormatEnumWtoA_Instance afei;
 413
 414     if (!pafda)
 415         return MMSYSERR_INVALPARAM;
 416
 417     if (pafda->cbStruct < sizeof(*pafda))
 418         return MMSYSERR_INVALPARAM;
 419
 420     memset(&afdw, 0, sizeof(afdw));
 421     afdw.cbStruct = sizeof(afdw);
 422     afdw.dwFormatIndex = pafda->dwFormatIndex;
 423     afdw.dwFormatTag = pafda->dwFormatTag;
 424     afdw.pwfx = pafda->pwfx;
 425     afdw.cbwfx = pafda->cbwfx;
 426
 427     afei.pafda = pafda;
 428     afei.dwInstance = dwInstance;
 429     afei.fnCallback = fnCallback;
 430
 431     return acmFormatEnumW(had, &afdw, MSACM_FormatEnumCallbackWtoA,
 432                           (DWORD_PTR)&afei, fdwEnum);
 433 }
 434
 435 /***********************************************************************
 436  *           acmFormatEnumW (MSACM32.@)
 437  */
 438 static BOOL MSACM_FormatEnumHelper(PWINE_ACMDRIVERID padid, HACMDRIVER had,
 439                                    PACMFORMATDETAILSW pafd, PWAVEFORMATEX pwfxRef,
 440                                    ACMFORMATENUMCBW fnCallback,
 441                                    DWORD_PTR dwInstance, DWORD fdwEnum)
 442 {
 443     ACMFORMATTAGDETAILSW        aftd;
 444     unsigned int                        i, j;
 445
 446     if (fdwEnum & ACM_FORMATENUMF_SUGGEST) {
 447         HDRVR hdrvr;
 448         ACMDRVFORMATSUGGEST adfs;
 449         pafd->dwFormatIndex = 0;
 450         memset(&aftd, 0, sizeof(aftd));
 451         aftd.cbStruct = sizeof(aftd);
 452         memset(&adfs, 0, sizeof(adfs));
 453         adfs.cbStruct = sizeof(adfs);
 454
 455         for (i = 0; i < padid->cFormatTags; i++) {
 456             aftd.dwFormatTag = i;
 457             pafd->dwFormatTag = aftd.dwFormatTag;
 458             pafd->pwfx->wFormatTag = pafd->dwFormatTag;
 459
 460             if (acmFormatTagDetailsW(had, &aftd, ACM_FORMATTAGDETAILSF_INDEX) != MMSYSERR_NOERROR)
 461                 continue;
 462
 463             adfs.cbwfxSrc = aftd.cbFormatSize;
 464             adfs.cbwfxDst = aftd.cbFormatSize;
 465             adfs.pwfxSrc = pwfxRef;
 466             adfs.pwfxDst = pafd->pwfx;
 467             pafd->fdwSupport = padid->fdwSupport;
 468
 469             if ((fdwEnum & ACM_FORMATENUMF_WFORMATTAG) &&
 470                 aftd.dwFormatTag != pwfxRef->wFormatTag)
 471                 continue;
 472
 473             if ((fdwEnum & ACM_FORMATENUMF_HARDWARE) &&
 474                 !(pafd->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_HARDWARE))
 475                 continue;
 476
 477             hdrvr = OpenDriver(padid->pszFileName,0,0);
 478             SendDriverMessage(hdrvr,ACMDM_FORMAT_SUGGEST,(LPARAM)&adfs,(fdwEnum & 0x000000FFL));
 479
 480             if (acmFormatDetailsW(had, pafd, ACM_FORMATDETAILSF_FORMAT) != MMSYSERR_NOERROR)
 481                 continue;
 482
 483             pafd->cbwfx = sizeof(*(pafd->pwfx));
 484
 485             if (!(fnCallback)((HACMDRIVERID)padid, pafd, dwInstance, padid->fdwSupport))
 486                 return FALSE;
 487         }
 488     } else {
 489         for (i = 0; i < padid->cFormatTags; i++) {
 490             memset(&aftd, 0, sizeof(aftd));
 491             aftd.cbStruct = sizeof(aftd);
 492             aftd.dwFormatTagIndex = i;
 493             if (acmFormatTagDetailsW(had, &aftd, ACM_FORMATTAGDETAILSF_INDEX) != MMSYSERR_NOERROR)
 494                 continue;
 495
 496             if ((fdwEnum & ACM_FORMATENUMF_WFORMATTAG) && aftd.dwFormatTag != pwfxRef->wFormatTag)
 497                 continue;
 498
 499             for (j = 0; j < aftd.cStandardFormats; j++) {
 500                 pafd->dwFormatIndex = j;
 501                 pafd->dwFormatTag = aftd.dwFormatTag;
 502                 if (acmFormatDetailsW(had, pafd, ACM_FORMATDETAILSF_INDEX) != MMSYSERR_NOERROR)
 503                     continue;
 504
 505                 if ((fdwEnum & ACM_FORMATENUMF_NCHANNELS) &&
 506                     pafd->pwfx->nChannels != pwfxRef->nChannels)
 507                     continue;
 508                 if ((fdwEnum & ACM_FORMATENUMF_NSAMPLESPERSEC) &&
 509                     pafd->pwfx->nSamplesPerSec != pwfxRef->nSamplesPerSec)
 510                     continue;
 511                 if ((fdwEnum & ACM_FORMATENUMF_WBITSPERSAMPLE) &&
 512                     pafd->pwfx->wBitsPerSample != pwfxRef->wBitsPerSample)
 513                     continue;
 514                 if ((fdwEnum & ACM_FORMATENUMF_HARDWARE) &&
 515                     !(pafd->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_HARDWARE))
 516                     continue;
 517
 518             /* more checks to be done on fdwEnum */
 519
 520                 if (!(fnCallback)((HACMDRIVERID)padid, pafd, dwInstance, padid->fdwSupport))
 521                     return FALSE;
 522             }
 523         /* the "formats" used by the filters are also reported */
 524         }
 525     }
 526     return TRUE;
 527 }
 528
 529 /**********************************************************************/
 530
 531 MMRESULT WINAPI acmFormatEnumW(HACMDRIVER had, PACMFORMATDETAILSW pafd,
 532                                ACMFORMATENUMCBW fnCallback,
 533                                DWORD_PTR dwInstance, DWORD fdwEnum)
 534 {
 535     PWINE_ACMDRIVERID           padid;
 536     WAVEFORMATEX                wfxRef;
 537     BOOL                        ret;
 538
 539     TRACE("(%p, %p, %p, %ld, %d)\n",
 540           had, pafd, fnCallback, dwInstance, fdwEnum);
 541
 542     if (!pafd)
 543         return MMSYSERR_INVALPARAM;
 544
 545     if (pafd->cbStruct < sizeof(*pafd))
 546         return MMSYSERR_INVALPARAM;
 547
 548     if (fdwEnum & (ACM_FORMATENUMF_WFORMATTAG|ACM_FORMATENUMF_NCHANNELS|
 549                    ACM_FORMATENUMF_NSAMPLESPERSEC|ACM_FORMATENUMF_WBITSPERSAMPLE|
 550                    ACM_FORMATENUMF_CONVERT|ACM_FORMATENUMF_SUGGEST))
 551         wfxRef = *pafd->pwfx;
 552
 553     if ((fdwEnum & ACM_FORMATENUMF_HARDWARE) &&
 554         !(fdwEnum & (ACM_FORMATENUMF_INPUT|ACM_FORMATENUMF_OUTPUT)))
 555         return MMSYSERR_INVALPARAM;
 556
 557     if ((fdwEnum & ACM_FORMATENUMF_WFORMATTAG) &&
 558         (pafd->dwFormatTag != pafd->pwfx->wFormatTag))
 559         return MMSYSERR_INVALPARAM;
 560
 561     if (fdwEnum & (ACM_FORMATENUMF_CONVERT|ACM_FORMATENUMF_INPUT|ACM_FORMATENUMF_OUTPUT))
 562         FIXME("Unsupported fdwEnum values %08x\n", fdwEnum);
 563
 564     if (had) {
 565         HACMDRIVERID    hadid;
 566
 567         if (acmDriverID((HACMOBJ)had, &hadid, 0) != MMSYSERR_NOERROR)
 568             return MMSYSERR_INVALHANDLE;
 569         MSACM_FormatEnumHelper(MSACM_GetDriverID(hadid), had, pafd, &wfxRef,
 570                                fnCallback, dwInstance, fdwEnum);
 571         return MMSYSERR_NOERROR;
 572     }
 573     for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
 574             /* should check for codec only */
 575             if ((padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) ||
 576                 acmDriverOpen(&had, (HACMDRIVERID)padid, 0) != MMSYSERR_NOERROR)
 577                 continue;
 578             ret = MSACM_FormatEnumHelper(padid, had, pafd, &wfxRef,
 579                                          fnCallback, dwInstance, fdwEnum);
 580             acmDriverClose(had, 0);
 581             if (!ret) break;
 582     }
 583     return MMSYSERR_NOERROR;
 584 }
 585
 586 /***********************************************************************
 587  *           acmFormatSuggest (MSACM32.@)
 588  */
 589 MMRESULT WINAPI acmFormatSuggest(HACMDRIVER had, PWAVEFORMATEX pwfxSrc,
 590                                  PWAVEFORMATEX pwfxDst, DWORD cbwfxDst, DWORD fdwSuggest)
 591 {
 592     ACMDRVFORMATSUGGEST adfg;
 593     MMRESULT            mmr;
 594
 595     TRACE("(%p, %p, %p, %d, %d)\n",
 596           had, pwfxSrc, pwfxDst, cbwfxDst, fdwSuggest);
 597
 598     if (fdwSuggest & ~(ACM_FORMATSUGGESTF_NCHANNELS|ACM_FORMATSUGGESTF_NSAMPLESPERSEC|
 599                        ACM_FORMATSUGGESTF_WBITSPERSAMPLE|ACM_FORMATSUGGESTF_WFORMATTAG))
 600         return MMSYSERR_INVALFLAG;
 601
 602     adfg.cbStruct = sizeof(adfg);
 603     adfg.fdwSuggest = fdwSuggest;
 604     adfg.pwfxSrc = pwfxSrc;
 605     adfg.cbwfxSrc = (pwfxSrc->wFormatTag == WAVE_FORMAT_PCM) ?
 606         sizeof(WAVEFORMATEX) : (sizeof(WAVEFORMATEX) + pwfxSrc->cbSize);
 607     adfg.pwfxDst = pwfxDst;
 608     adfg.cbwfxDst = cbwfxDst;
 609
 610     if (had == NULL) {
 611         PWINE_ACMDRIVERID       padid;
 612
 613         /* MS doc says: ACM finds the best suggestion.
 614          * Well, first found will be the "best"
 615          */
 616         mmr = ACMERR_NOTPOSSIBLE;
 617         for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
 618             /* should check for codec only */
 619             if ((padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) ||
 620                 acmDriverOpen(&had, (HACMDRIVERID)padid, 0) != MMSYSERR_NOERROR)
 621                 continue;
 622
 623             if (MSACM_Message(had, ACMDM_FORMAT_SUGGEST, (LPARAM)&adfg, 0L) == MMSYSERR_NOERROR) {
 624                 mmr = MMSYSERR_NOERROR;
 625                 break;
 626             }
 627             acmDriverClose(had, 0);
 628         }
 629     } else {
 630         mmr = MSACM_Message(had, ACMDM_FORMAT_SUGGEST, (LPARAM)&adfg, 0L);
 631     }
 632     return mmr;
 633 }
 634
 635 /***********************************************************************
 636  *           acmFormatTagDetailsA (MSACM32.@)
 637  */
 638 MMRESULT WINAPI acmFormatTagDetailsA(HACMDRIVER had, PACMFORMATTAGDETAILSA paftda,
 639                                      DWORD fdwDetails)
 640 {
 641     ACMFORMATTAGDETAILSW        aftdw;
 642     MMRESULT                    mmr;
 643
 644     memset(&aftdw, 0, sizeof(aftdw));
 645     aftdw.cbStruct = sizeof(aftdw);
 646     aftdw.dwFormatTagIndex = paftda->dwFormatTagIndex;
 647     aftdw.dwFormatTag = paftda->dwFormatTag;
 648
 649     mmr = acmFormatTagDetailsW(had, &aftdw, fdwDetails);
 650     if (mmr == MMSYSERR_NOERROR) {
 651         paftda->dwFormatTag = aftdw.dwFormatTag;
 652         paftda->dwFormatTagIndex = aftdw.dwFormatTagIndex;
 653         paftda->cbFormatSize = aftdw.cbFormatSize;
 654         paftda->fdwSupport = aftdw.fdwSupport;
 655         paftda->cStandardFormats = aftdw.cStandardFormats;
 656         WideCharToMultiByte( CP_ACP, 0, aftdw.szFormatTag, -1, paftda->szFormatTag,
 657                              sizeof(paftda->szFormatTag), NULL, NULL );
 658     }
 659     return mmr;
 660 }
 661
 662 /***********************************************************************
 663  *           acmFormatTagDetailsW (MSACM32.@)
 664  */
 665 MMRESULT WINAPI acmFormatTagDetailsW(HACMDRIVER had, PACMFORMATTAGDETAILSW paftd,
 666                                      DWORD fdwDetails)
 667 {
 668     PWINE_ACMDRIVERID   padid;
 669     MMRESULT            mmr = ACMERR_NOTPOSSIBLE;
 670
 671     TRACE("(%p, %p, %d)\n", had, paftd, fdwDetails);
 672
 673     if (fdwDetails & ~(ACM_FORMATTAGDETAILSF_FORMATTAG|ACM_FORMATTAGDETAILSF_INDEX|
 674                        ACM_FORMATTAGDETAILSF_LARGESTSIZE))
 675         return MMSYSERR_INVALFLAG;
 676
 677     switch (fdwDetails) {
 678     case ACM_FORMATTAGDETAILSF_FORMATTAG:
 679         if (had == NULL) {
 680             for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
 681                 /* should check for codec only */
 682                 if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
 683                     MSACM_FindFormatTagInCache(padid, paftd->dwFormatTag, NULL) &&
 684                     acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == 0) {
 685                     mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
 686                     acmDriverClose(had, 0);
 687                     if (mmr == MMSYSERR_NOERROR) break;
 688                 }
 689             }
 690         } else {
 691             PWINE_ACMDRIVER     pad = MSACM_GetDriver(had);
 692
 693             if (pad && MSACM_FindFormatTagInCache(pad->obj.pACMDriverID, paftd->dwFormatTag, NULL))
 694                 mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
 695         }
 696         break;
 697
 698     case ACM_FORMATTAGDETAILSF_INDEX:
 699         if (had != NULL) {
 700             PWINE_ACMDRIVER     pad = MSACM_GetDriver(had);
 701
 702             if (pad && paftd->dwFormatTagIndex < pad->obj.pACMDriverID->cFormatTags)
 703                 mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
 704         }
 705         break;
 706
 707     case ACM_FORMATTAGDETAILSF_LARGESTSIZE:
 708         if (had == NULL) {
 709             ACMFORMATTAGDETAILSW        tmp;
 710             DWORD                       ft = paftd->dwFormatTag;
 711
 712             for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
 713                 /* should check for codec only */
 714                 if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
 715                     acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == 0) {
 716
 717                     memset(&tmp, 0, sizeof(tmp));
 718                     tmp.cbStruct = sizeof(tmp);
 719                     tmp.dwFormatTag = ft;
 720
 721                     if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
 722                                       (LPARAM)&tmp, fdwDetails) == MMSYSERR_NOERROR) {
 723                         if (mmr == ACMERR_NOTPOSSIBLE ||
 724                             paftd->cbFormatSize < tmp.cbFormatSize) {
 725                             *paftd = tmp;
 726                             mmr = MMSYSERR_NOERROR;
 727                         }
 728                     }
 729                     acmDriverClose(had, 0);
 730                 }
 731             }
 732         } else {
 733             mmr = MSACM_Message(had, ACMDM_FORMATTAG_DETAILS, (LPARAM)paftd, fdwDetails);
 734         }
 735         break;
 736
 737     default:
 738         WARN("Unsupported fdwDetails=%08x\n", fdwDetails);
 739         mmr = MMSYSERR_ERROR;
 740     }
 741
 742     if (mmr == MMSYSERR_NOERROR &&
 743         paftd->dwFormatTag == WAVE_FORMAT_PCM && paftd->szFormatTag[0] == 0)
 744         MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
 745                              sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
 746
 747     return mmr;
 748 }
 749
 750 struct MSACM_FormatTagEnumWtoA_Instance {
 751     PACMFORMATTAGDETAILSA paftda;
 752     DWORD_PTR             dwInstance;
 753     ACMFORMATTAGENUMCBA   fnCallback;
 754 };
 755
 756 static BOOL CALLBACK MSACM_FormatTagEnumCallbackWtoA(HACMDRIVERID hadid,
 757                                                      PACMFORMATTAGDETAILSW paftdw,
 758                                                      DWORD_PTR dwInstance,
 759                                                      DWORD fdwSupport)
 760 {
 761     struct MSACM_FormatTagEnumWtoA_Instance* paftei;
 762
 763     paftei = (struct MSACM_FormatTagEnumWtoA_Instance*)dwInstance;
 764
 765     paftei->paftda->dwFormatTagIndex = paftdw->dwFormatTagIndex;
 766     paftei->paftda->dwFormatTag = paftdw->dwFormatTag;
 767     paftei->paftda->cbFormatSize = paftdw->cbFormatSize;
 768     paftei->paftda->fdwSupport = paftdw->fdwSupport;
 769     paftei->paftda->cStandardFormats = paftdw->cStandardFormats;
 770     WideCharToMultiByte( CP_ACP, 0, paftdw->szFormatTag, -1, paftei->paftda->szFormatTag,
 771                          sizeof(paftei->paftda->szFormatTag), NULL, NULL );
 772
 773     return (paftei->fnCallback)(hadid, paftei->paftda,
 774                                 paftei->dwInstance, fdwSupport);
 775 }
 776
 777 /***********************************************************************
 778  *           acmFormatTagEnumA (MSACM32.@)
 779  */
 780 MMRESULT WINAPI acmFormatTagEnumA(HACMDRIVER had, PACMFORMATTAGDETAILSA paftda,
 781                                   ACMFORMATTAGENUMCBA fnCallback,
 782                                   DWORD_PTR dwInstance, DWORD fdwEnum)
 783 {
 784     ACMFORMATTAGDETAILSW        aftdw;
 785     struct MSACM_FormatTagEnumWtoA_Instance aftei;
 786
 787     if (!paftda)
 788         return MMSYSERR_INVALPARAM;
 789
 790     if (paftda->cbStruct < sizeof(*paftda))
 791         return MMSYSERR_INVALPARAM;
 792
 793     if (fdwEnum != 0)
 794         return MMSYSERR_INVALFLAG;
 795
 796     memset(&aftdw, 0, sizeof(aftdw));
 797     aftdw.cbStruct = sizeof(aftdw);
 798     aftdw.dwFormatTagIndex = paftda->dwFormatTagIndex;
 799     aftdw.dwFormatTag = paftda->dwFormatTag;
 800
 801     aftei.paftda = paftda;
 802     aftei.dwInstance = dwInstance;
 803     aftei.fnCallback = fnCallback;
 804
 805     return acmFormatTagEnumW(had, &aftdw, MSACM_FormatTagEnumCallbackWtoA,
 806                              (DWORD_PTR)&aftei, fdwEnum);
 807 }
 808
 809 /***********************************************************************
 810  *           acmFormatTagEnumW (MSACM32.@)
 811  */
 812 MMRESULT WINAPI acmFormatTagEnumW(HACMDRIVER had, PACMFORMATTAGDETAILSW paftd,
 813                                   ACMFORMATTAGENUMCBW fnCallback,
 814                                   DWORD_PTR dwInstance, DWORD fdwEnum)
 815 {
 816     PWINE_ACMDRIVERID           padid;
 817     unsigned int                        i;
 818     BOOL                        bPcmDone = FALSE;
 819
 820     TRACE("(%p, %p, %p, %ld, %d)\n",
 821           had, paftd, fnCallback, dwInstance, fdwEnum);
 822
 823     if (!paftd)
 824         return MMSYSERR_INVALPARAM;
 825
 826     if (paftd->cbStruct < sizeof(*paftd))
 827         return MMSYSERR_INVALPARAM;
 828
 829     if (fdwEnum != 0)
 830         return MMSYSERR_INVALFLAG;
 831
 832     /* (WS) MSDN info page says that if had != 0, then we should find
 833      * the specific driver to get its tags from. Therefore I'm removing
 834      * the FIXME call and adding a search block below. It also seems
 835      * that the lack of this functionality was the responsible for
 836      * codecs to be multiply and incorrectly listed.
 837      */
 838
 839     /* if (had) FIXME("had != NULL, not supported\n"); */
 840
 841     if (had) {
 842
 843        if (acmDriverID((HACMOBJ)had, (HACMDRIVERID *)&padid, 0) != MMSYSERR_NOERROR)
 844           return MMSYSERR_INVALHANDLE;
 845
 846        for (i = 0; i < padid->cFormatTags; i++) {
 847           paftd->dwFormatTagIndex = i;
 848           if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
 849           (LPARAM)paftd, ACM_FORMATTAGDETAILSF_INDEX) == MMSYSERR_NOERROR) {
 850              if (paftd->dwFormatTag == WAVE_FORMAT_PCM) {
 851                 if (paftd->szFormatTag[0] == 0)
 852                    MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
 853                          sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
 854                 /* (WS) I'm preserving this PCM hack since it seems to be
 855                  * correct. Please notice this block was borrowed from
 856                  * below.
 857                  */
 858                 if (bPcmDone) continue;
 859                    bPcmDone = TRUE;
 860              }
 861              if (!(fnCallback)((HACMDRIVERID)padid, paftd, dwInstance, padid->fdwSupport))
 862                 return MMSYSERR_NOERROR;
 863           }
 864        }
 865
 866     }
 867
 868     /* if had==0 then search for the first suitable driver */
 869     else {
 870        for (padid = MSACM_pFirstACMDriverID; padid; padid = padid->pNextACMDriverID) {
 871           /* should check for codec only */
 872           if (!(padid->fdwSupport & ACMDRIVERDETAILS_SUPPORTF_DISABLED) &&
 873              acmDriverOpen(&had, (HACMDRIVERID)padid, 0) == MMSYSERR_NOERROR) {
 874              for (i = 0; i < padid->cFormatTags; i++) {
 875                 paftd->dwFormatTagIndex = i;
 876                 if (MSACM_Message(had, ACMDM_FORMATTAG_DETAILS,
 877                    (LPARAM)paftd, ACM_FORMATTAGDETAILSF_INDEX) == MMSYSERR_NOERROR) {
 878                    if (paftd->dwFormatTag == WAVE_FORMAT_PCM) {
 879                       if (paftd->szFormatTag[0] == 0)
 880                          MultiByteToWideChar( CP_ACP, 0, "PCM", -1, paftd->szFormatTag,
 881                                  sizeof(paftd->szFormatTag)/sizeof(WCHAR) );
 882                       /* FIXME (EPP): I'm not sure this is the correct
 883                        * algorithm (should make more sense to apply the same
 884                        * for all already loaded formats, but this will do
 885                        * for now
 886                        */
 887                       if (bPcmDone) continue;
 888                          bPcmDone = TRUE;
 889                    }
 890                    if (!(fnCallback)((HACMDRIVERID)padid, paftd, dwInstance, padid->fdwSupport)) {
 891                       acmDriverClose(had, 0);
 892                       return MMSYSERR_NOERROR;
 893                    }
 894                 }
 895              }
 896              acmDriverClose(had, 0);
 897           }
 898        }
 899     }
 900     return MMSYSERR_NOERROR;
 901 }