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