git.oblomov.eu Git - wine/blob - dlls/msvideo/msvideo_main.c

   1 /*
   2  * Copyright 1998 Marcus Meissner
   3  * Copyright 2000 Bradley Baetz
   4  * Copyright 2003 Michael Günnewig
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  * FIXME: This all assumes 32 bit codecs
  21  *              Win95 appears to prefer 32 bit codecs, even from 16 bit code.
  22  *              There is the ICOpenFunction16 to worry about still, though.
  23  *
  24  * TODO
  25  *      - no thread safety
  26  */
  27
  28 #include <stdio.h>
  29 #include <string.h>
  30
  31 #include "msvideo_private.h"
  32 #include "winnls.h"
  33 #include "wingdi.h"
  34 #include "winuser.h"
  35 #include "winreg.h"
  36
  37 #include "windowsx.h"
  38
  39 #include "wine/debug.h"
  40
  41 /* Drivers32 settings */
  42 #define HKLM_DRIVERS32 "Software\\Microsoft\\Windows NT\\CurrentVersion\\Drivers32"
  43
  44 WINE_DEFAULT_DEBUG_CHANNEL(msvideo);
  45
  46 static inline const char *wine_dbgstr_fcc( DWORD fcc )
  47 {
  48     return wine_dbg_sprintf("%c%c%c%c",
  49                             LOBYTE(LOWORD(fcc)), HIBYTE(LOWORD(fcc)),
  50                             LOBYTE(HIWORD(fcc)), HIBYTE(HIWORD(fcc)));
  51 }
  52
  53 LRESULT (CALLBACK *pFnCallTo16)(HDRVR, HIC, UINT, LPARAM, LPARAM) = NULL;
  54
  55 static WINE_HIC*        MSVIDEO_FirstHic /* = NULL */;
  56
  57 typedef struct _reg_driver reg_driver;
  58 struct _reg_driver
  59 {
  60     DWORD       fccType;
  61     DWORD       fccHandler;
  62     DRIVERPROC  proc;
  63     LPWSTR      name;
  64     reg_driver* next;
  65 };
  66
  67 static reg_driver* reg_driver_list = NULL;
  68
  69 /* This one is a macro such that it works for both ASCII and Unicode */
  70 #define fourcc_to_string(str, fcc) do { \
  71         (str)[0] = LOBYTE(LOWORD(fcc)); \
  72         (str)[1] = HIBYTE(LOWORD(fcc)); \
  73         (str)[2] = LOBYTE(HIWORD(fcc)); \
  74         (str)[3] = HIBYTE(HIWORD(fcc)); \
  75         } while(0)
  76
  77 HMODULE MSVFW32_hModule;
  78
  79 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
  80 {
  81     TRACE("%p,%lx,%p\n", hinst, reason, reserved);
  82
  83     switch(reason)
  84     {
  85         case DLL_PROCESS_ATTACH:
  86             DisableThreadLibraryCalls(hinst);
  87             MSVFW32_hModule = (HMODULE)hinst;
  88             break;
  89     }
  90     return TRUE;
  91 }
  92
  93 static int compare_fourcc(DWORD fcc1, DWORD fcc2)
  94 {
  95   char fcc_str1[4];
  96   char fcc_str2[4];
  97   fourcc_to_string(fcc_str1, fcc1);
  98   fourcc_to_string(fcc_str2, fcc2);
  99   return strncasecmp(fcc_str1, fcc_str2, 4);
 100 }
 101
 102 typedef BOOL (*enum_handler_t)(const char*, int, void*);
 103
 104 static BOOL enum_drivers(DWORD fccType, enum_handler_t handler, void* param)
 105 {
 106     CHAR buf[2048], fccTypeStr[5], *s;
 107     DWORD i, cnt = 0, bufLen, lRet;
 108     BOOL result = FALSE;
 109     FILETIME lastWrite;
 110     HKEY hKey;
 111
 112     fourcc_to_string(fccTypeStr, fccType);
 113     fccTypeStr[4] = '.';
 114
 115     /* first, go through the registry entries */
 116     lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE, HKLM_DRIVERS32, 0, KEY_QUERY_VALUE, &hKey);
 117     if (lRet == ERROR_SUCCESS)
 118     {
 119         RegQueryInfoKeyA( hKey, 0, 0, 0, &cnt, 0, 0, 0, 0, 0, 0, 0);
 120         for (i = 0; i < cnt; i++)
 121         {
 122             bufLen = sizeof(buf) / sizeof(buf[0]);
 123             lRet = RegEnumKeyExA(hKey, i, buf, &bufLen, 0, 0, 0, &lastWrite);
 124             if (lRet != ERROR_SUCCESS) continue;
 125             if (strncasecmp(buf, fccTypeStr, 5) || buf[9] != '=') continue;
 126             if ((result = handler(buf, i, param))) break;
 127         }
 128         RegCloseKey( hKey );
 129     }
 130     if (result) return result;
 131
 132     /* if that didn't work, go through the values in system.ini */
 133     if (GetPrivateProfileSectionA("drivers32", buf, sizeof(buf), "system.ini"))
 134     {
 135         for (s = buf; *s; cnt++, s += strlen(s) + 1)
 136         {
 137             if (strncasecmp(s, fccTypeStr, 5) || s[9] != '=') continue;
 138             if ((result = handler(s, cnt, param))) break;
 139         }
 140     }
 141
 142     return result;
 143 }
 144
 145 /******************************************************************
 146  *              MSVIDEO_GetHicPtr
 147  *
 148  *
 149  */
 150 WINE_HIC*   MSVIDEO_GetHicPtr(HIC hic)
 151 {
 152     WINE_HIC*   whic;
 153
 154     for (whic = MSVIDEO_FirstHic; whic && whic->hic != hic; whic = whic->next);
 155     return whic;
 156 }
 157
 158 /***********************************************************************
 159  *              VideoForWindowsVersion          [MSVFW32.2]
 160  *              VideoForWindowsVersion          [MSVIDEO.2]
 161  * Returns the version in major.minor form.
 162  * In Windows95 this returns 0x040003b6 (4.950)
 163  */
 164 DWORD WINAPI VideoForWindowsVersion(void)
 165 {
 166     return 0x040003B6; /* 4.950 */
 167 }
 168
 169 static BOOL ICInfo_enum_handler(const char *drv, int nr, void *param)
 170 {
 171     ICINFO *lpicinfo = (ICINFO *)param;
 172     DWORD fccHandler = mmioStringToFOURCCA(drv + 5, 0);
 173
 174     /* exact match of fccHandler or nth driver found */
 175     if ((lpicinfo->fccHandler != nr) && (lpicinfo->fccHandler != fccHandler))
 176         return FALSE;
 177
 178     lpicinfo->fccType = mmioStringToFOURCCA(drv, 0);
 179     lpicinfo->fccHandler = fccHandler;
 180     lpicinfo->dwFlags = 0;
 181     lpicinfo->dwVersion = 0;
 182     lpicinfo->dwVersionICM = 0x104;
 183     lpicinfo->szName[0] = 0;
 184     lpicinfo->szDescription[0] = 0;
 185     MultiByteToWideChar(CP_ACP, 0, drv + 10, -1, lpicinfo->szDriver,
 186                         sizeof(lpicinfo->szDriver)/sizeof(WCHAR));
 187
 188     return TRUE;
 189 }
 190
 191 /***********************************************************************
 192  *              ICInfo                          [MSVFW32.@]
 193  * Get information about an installable compressor. Return TRUE if there
 194  * is one.
 195  *
 196  * PARAMS
 197  *   fccType     [I] type of compressor (e.g. 'vidc')
 198  *   fccHandler  [I] real fcc for handler or <n>th compressor
 199  *   lpicinfo    [O] information about compressor
 200  */
 201 BOOL VFWAPI ICInfo( DWORD fccType, DWORD fccHandler, ICINFO *lpicinfo)
 202 {
 203     TRACE("(%s,%s/%08lx,%p)\n",
 204           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), fccHandler, lpicinfo);
 205
 206     lpicinfo->fccHandler = fccHandler;
 207     return enum_drivers(fccType, ICInfo_enum_handler, lpicinfo);
 208 }
 209
 210 static DWORD IC_HandleRef = 1;
 211
 212 /***********************************************************************
 213  *              ICInstall                       [MSVFW32.@]
 214  */
 215 BOOL VFWAPI ICInstall(DWORD fccType, DWORD fccHandler, LPARAM lParam, LPSTR szDesc, UINT wFlags)
 216 {
 217     reg_driver* driver;
 218     unsigned len;
 219
 220     TRACE("(%s,%s,%p,%p,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), (void*)lParam, szDesc, wFlags);
 221
 222     /* Check if a driver is already registered */
 223     for (driver = reg_driver_list; driver; driver = driver->next)
 224     {
 225         if (!compare_fourcc(fccType, driver->fccType) &&
 226             !compare_fourcc(fccHandler, driver->fccHandler))
 227             break;
 228     }
 229     if (driver) return FALSE;
 230
 231     /* Register the driver */
 232     driver = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(reg_driver));
 233     if (!driver) goto oom;
 234     driver->fccType = fccType;
 235     driver->fccHandler = fccHandler;
 236
 237     switch(wFlags)
 238     {
 239     case ICINSTALL_FUNCTION:
 240         driver->proc = (DRIVERPROC)lParam;
 241         driver->name = NULL;
 242         break;
 243     case ICINSTALL_DRIVER:
 244         driver->proc = NULL;
 245         len = MultiByteToWideChar(CP_ACP, 0, (char*)lParam, -1, NULL, 0);
 246         driver->name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 247         if (!driver->name) goto oom;
 248         MultiByteToWideChar(CP_ACP, 0, (char*)lParam, -1, driver->name, len);
 249         break;
 250     default:
 251         ERR("Invalid flags!\n");
 252         HeapFree(GetProcessHeap(), 0, driver);
 253         return FALSE;
 254    }
 255
 256    /* Insert our driver in the list*/
 257    driver->next = reg_driver_list;
 258    reg_driver_list = driver;
 259
 260    return TRUE;
 261  oom:
 262    HeapFree(GetProcessHeap(), 0, driver);
 263    return FALSE;
 264 }
 265
 266 /***********************************************************************
 267  *              ICRemove                        [MSVFW32.@]
 268  */
 269 BOOL VFWAPI ICRemove(DWORD fccType, DWORD fccHandler, UINT wFlags)
 270 {
 271     reg_driver** pdriver;
 272
 273     TRACE("(%s,%s,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wFlags);
 274
 275     /* Check if a driver is already registered */
 276     for (pdriver = &reg_driver_list; *pdriver; pdriver = &(*pdriver)->next)
 277     {
 278         if (!compare_fourcc(fccType, (*pdriver)->fccType) &&
 279             !compare_fourcc(fccHandler, (*pdriver)->fccHandler))
 280             break;
 281     }
 282     if (!*pdriver)
 283         return FALSE;
 284
 285     /* Remove the driver from the list */
 286     *pdriver = (*pdriver)->next;
 287     HeapFree(GetProcessHeap(), 0, (*pdriver)->name);
 288     HeapFree(GetProcessHeap(), 0, *pdriver);
 289
 290     return TRUE;
 291 }
 292
 293
 294 /***********************************************************************
 295  *              ICOpen                          [MSVFW32.@]
 296  * Opens an installable compressor. Return special handle.
 297  */
 298 HIC VFWAPI ICOpen(DWORD fccType, DWORD fccHandler, UINT wMode)
 299 {
 300     WCHAR               codecname[10];
 301     ICOPEN              icopen;
 302     HDRVR               hdrv;
 303     WINE_HIC*           whic;
 304     BOOL                bIs16;
 305     static const WCHAR  drv32W[] = {'d','r','i','v','e','r','s','3','2','\0'};
 306     reg_driver*         driver;
 307
 308     TRACE("(%s,%s,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wMode);
 309
 310     /* Check if there is a registered driver that matches */
 311     driver = reg_driver_list;
 312     while(driver)
 313         if (!compare_fourcc(fccType, driver->fccType) &&
 314             !compare_fourcc(fccHandler, driver->fccHandler))
 315             break;
 316         else
 317             driver = driver->next;
 318
 319     if (driver && driver->proc)
 320         /* The driver has been registered at runtime with its driverproc */
 321         return MSVIDEO_OpenFunction(fccType, fccHandler, wMode, (DRIVERPROC)driver->proc, (DWORD)NULL);
 322
 323     /* Well, lParam2 is in fact a LPVIDEO_OPEN_PARMS, but it has the
 324      * same layout as ICOPEN
 325      */
 326     icopen.dwSize               = sizeof(ICOPEN);
 327     icopen.fccType              = fccType;
 328     icopen.fccHandler           = fccHandler;
 329     icopen.dwVersion            = 0x00001000; /* FIXME */
 330     icopen.dwFlags              = wMode;
 331     icopen.dwError              = 0;
 332     icopen.pV1Reserved          = NULL;
 333     icopen.pV2Reserved          = NULL;
 334     icopen.dnDevNode            = 0; /* FIXME */
 335
 336     if (!driver) {
 337         /* The driver is registered in the registry */
 338         fourcc_to_string(codecname, fccType);
 339         codecname[4] = '.';
 340         fourcc_to_string(codecname + 5, fccHandler);
 341         codecname[9] = '\0';
 342
 343         hdrv = OpenDriver(codecname, drv32W, (LPARAM)&icopen);
 344         if (!hdrv)
 345         {
 346             if (fccType == streamtypeVIDEO)
 347             {
 348                 codecname[0] = 'v';
 349                 codecname[1] = 'i';
 350                 codecname[2] = 'd';
 351                 codecname[3] = 'c';
 352
 353                 fccType = ICTYPE_VIDEO;
 354                 hdrv = OpenDriver(codecname, drv32W, (LPARAM)&icopen);
 355             }
 356             if (!hdrv)
 357                 return 0;
 358         }
 359     } else {
 360         /* The driver has been registered at runtime with its name */
 361         hdrv = OpenDriver(driver->name, NULL, (LPARAM)&icopen);
 362         if (!hdrv)
 363             return 0;
 364     }
 365     bIs16 = GetDriverFlags(hdrv) & 0x10000000; /* undocumented flag: WINE_GDF_16BIT */
 366
 367     if (bIs16 && !pFnCallTo16)
 368     {
 369         FIXME("Got a 16 bit driver, but no 16 bit support in msvfw\n");
 370         return 0;
 371     }
 372     whic = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_HIC));
 373     if (!whic)
 374     {
 375         CloseDriver(hdrv, 0, 0);
 376         return FALSE;
 377     }
 378     whic->hdrv          = hdrv;
 379     /* FIXME: is the signature the real one ? */
 380     whic->driverproc    = bIs16 ? (DRIVERPROC)pFnCallTo16 : NULL;
 381     whic->driverproc16  = 0;
 382     whic->type          = fccType;
 383     whic->handler       = fccHandler;
 384     while (MSVIDEO_GetHicPtr(HIC_32(IC_HandleRef)) != NULL) IC_HandleRef++;
 385     whic->hic           = HIC_32(IC_HandleRef++);
 386     whic->next          = MSVIDEO_FirstHic;
 387     MSVIDEO_FirstHic = whic;
 388
 389     TRACE("=> %p\n", whic->hic);
 390     return whic->hic;
 391 }
 392
 393 /***********************************************************************
 394  *              MSVIDEO_OpenFunction
 395  */
 396 HIC MSVIDEO_OpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode,
 397                          DRIVERPROC lpfnHandler, DWORD lpfnHandler16)
 398 {
 399     ICOPEN      icopen;
 400     WINE_HIC*   whic;
 401
 402     TRACE("(%s,%s,%d,%p,%08lx)\n",
 403           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wMode, lpfnHandler, lpfnHandler16);
 404
 405     icopen.dwSize               = sizeof(ICOPEN);
 406     icopen.fccType              = fccType;
 407     icopen.fccHandler           = fccHandler;
 408     icopen.dwVersion            = 0x00001000; /* FIXME */
 409     icopen.dwFlags              = wMode;
 410     icopen.dwError              = 0;
 411     icopen.pV1Reserved          = NULL;
 412     icopen.pV2Reserved          = NULL;
 413     icopen.dnDevNode            = 0; /* FIXME */
 414
 415     whic = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_HIC));
 416     if (!whic) return 0;
 417
 418     whic->driverproc   = lpfnHandler;
 419     whic->driverproc16 = lpfnHandler16;
 420     while (MSVIDEO_GetHicPtr(HIC_32(IC_HandleRef)) != NULL) IC_HandleRef++;
 421     whic->hic          = HIC_32(IC_HandleRef++);
 422     whic->next         = MSVIDEO_FirstHic;
 423     MSVIDEO_FirstHic = whic;
 424
 425     /* Now try opening/loading the driver. Taken from DRIVER_AddToList */
 426     /* What if the function is used more than once? */
 427
 428     if (MSVIDEO_SendMessage(whic, DRV_LOAD, 0L, 0L) != DRV_SUCCESS)
 429     {
 430         WARN("DRV_LOAD failed for hic %p\n", whic->hic);
 431         MSVIDEO_FirstHic = whic->next;
 432         HeapFree(GetProcessHeap(), 0, whic);
 433         return 0;
 434     }
 435     /* return value is not checked */
 436     MSVIDEO_SendMessage(whic, DRV_ENABLE, 0L, 0L);
 437
 438     whic->driverId = (DWORD)MSVIDEO_SendMessage(whic, DRV_OPEN, 0, (DWORD)&icopen);
 439     /* FIXME: What should we put here? */
 440     whic->hdrv = NULL;
 441
 442     if (whic->driverId == 0)
 443     {
 444         WARN("DRV_OPEN failed for hic %p\n", whic->hic);
 445         MSVIDEO_FirstHic = whic->next;
 446         HeapFree(GetProcessHeap(), 0, whic);
 447         return 0;
 448     }
 449
 450     TRACE("=> %p\n", whic->hic);
 451     return whic->hic;
 452 }
 453
 454 /***********************************************************************
 455  *              ICOpenFunction                  [MSVFW32.@]
 456  */
 457 HIC VFWAPI ICOpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode, FARPROC lpfnHandler)
 458 {
 459     return MSVIDEO_OpenFunction(fccType, fccHandler, wMode, (DRIVERPROC)lpfnHandler, 0);
 460 }
 461
 462 /***********************************************************************
 463  *              ICGetInfo                       [MSVFW32.@]
 464  */
 465 LRESULT VFWAPI ICGetInfo(HIC hic, ICINFO *picinfo, DWORD cb)
 466 {
 467     LRESULT     ret;
 468     WINE_HIC*   whic = MSVIDEO_GetHicPtr(hic);
 469
 470     TRACE("(%p,%p,%ld)\n", hic, picinfo, cb);
 471
 472     whic = MSVIDEO_GetHicPtr(hic);
 473     if (!whic) return ICERR_BADHANDLE;
 474     if (!picinfo) return MMSYSERR_INVALPARAM;
 475
 476     /* (WS) The field szDriver should be initialized because the driver
 477      * is not obliged and often will not do it. Some applications, like
 478      * VirtualDub, rely on this field and will occasionally crash if it
 479      * goes unitialized.
 480      */
 481     if (cb >= sizeof(ICINFO)) picinfo->szDriver[0] = '\0';
 482
 483     ret = ICSendMessage(hic, ICM_GETINFO, (DWORD)picinfo, cb);
 484
 485     /* (WS) When szDriver was not supplied by the driver itself, apparently
 486      * Windows will set its value equal to the driver file name. This can
 487      * be obtained from the registry as we do here.
 488      */
 489     if (cb >= sizeof(ICINFO) && picinfo->szDriver[0] == 0)
 490     {
 491         ICINFO  ii;
 492
 493         memset(&ii, 0, sizeof(ii));
 494         ii.dwSize = sizeof(ii);
 495         ICInfo(picinfo->fccType, picinfo->fccHandler, &ii);
 496         lstrcpyW(picinfo->szDriver, ii.szDriver);
 497     }
 498
 499     TRACE("     -> 0x%08lx\n", ret);
 500     return ret;
 501 }
 502
 503 typedef struct {
 504     DWORD fccType;
 505     DWORD fccHandler;
 506     LPBITMAPINFOHEADER lpbiIn;
 507     LPBITMAPINFOHEADER lpbiOut;
 508     WORD wMode;
 509     DWORD querymsg;
 510     HIC hic;
 511 } driver_info_t;
 512
 513 static HIC try_driver(driver_info_t *info)
 514 {
 515     HIC   hic;
 516
 517     if ((hic = ICOpen(info->fccType, info->fccHandler, info->wMode)))
 518     {
 519         if (!ICSendMessage(hic, info->querymsg, (DWORD)info->lpbiIn, (DWORD)info->lpbiOut))
 520             return hic;
 521         ICClose(hic);
 522     }
 523     return 0;
 524 }
 525
 526 static BOOL ICLocate_enum_handler(const char *drv, int nr, void *param)
 527 {
 528     driver_info_t *info = (driver_info_t *)param;
 529     info->fccHandler = mmioStringToFOURCCA(drv + 5, 0);
 530     info->hic = try_driver(info);
 531     return info->hic != 0;
 532 }
 533
 534 /***********************************************************************
 535  *              ICLocate                        [MSVFW32.@]
 536  */
 537 HIC VFWAPI ICLocate(DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn,
 538                     LPBITMAPINFOHEADER lpbiOut, WORD wMode)
 539 {
 540     driver_info_t info;
 541
 542     TRACE("(%s,%s,%p,%p,0x%04x)\n",
 543           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
 544
 545     info.fccType = fccType;
 546     info.fccHandler = fccHandler;
 547     info.lpbiIn = lpbiIn;
 548     info.lpbiOut = lpbiOut;
 549     info.wMode = wMode;
 550
 551     switch (wMode)
 552     {
 553     case ICMODE_FASTCOMPRESS:
 554     case ICMODE_COMPRESS:
 555         info.querymsg = ICM_COMPRESS_QUERY;
 556         break;
 557     case ICMODE_FASTDECOMPRESS:
 558     case ICMODE_DECOMPRESS:
 559         info.querymsg = ICM_DECOMPRESS_QUERY;
 560         break;
 561     case ICMODE_DRAW:
 562         info.querymsg = ICM_DRAW_QUERY;
 563         break;
 564     default:
 565         WARN("Unknown mode (%d)\n", wMode);
 566         return 0;
 567     }
 568
 569     /* Easy case: handler/type match, we just fire a query and return */
 570     info.hic = try_driver(&info);
 571     /* If it didn't work, try each driver in turn. 32 bit codecs only. */
 572     /* FIXME: Move this to an init routine? */
 573     if (!info.hic) enum_drivers(fccType, ICLocate_enum_handler, &info);
 574
 575     if (info.hic)
 576     {
 577         TRACE("=> %p\n", info.hic);
 578         return info.hic;
 579     }
 580
 581     if (fccType == streamtypeVIDEO)
 582         return ICLocate(ICTYPE_VIDEO, fccHandler, lpbiIn, lpbiOut, wMode);
 583
 584     WARN("(%s,%s,%p,%p,0x%04x) not found!\n",
 585          wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
 586     return 0;
 587 }
 588
 589 /***********************************************************************
 590  *              ICGetDisplayFormat                      [MSVFW32.@]
 591  */
 592 HIC VFWAPI ICGetDisplayFormat(
 593         HIC hic,LPBITMAPINFOHEADER lpbiIn,LPBITMAPINFOHEADER lpbiOut,
 594         INT depth,INT dx,INT dy)
 595 {
 596         HIC     tmphic = hic;
 597
 598         TRACE("(%p,%p,%p,%d,%d,%d)!\n",hic,lpbiIn,lpbiOut,depth,dx,dy);
 599
 600         if (!tmphic) {
 601                 tmphic=ICLocate(ICTYPE_VIDEO,0,lpbiIn,NULL,ICMODE_DECOMPRESS);
 602                 if (!tmphic)
 603                         return tmphic;
 604         }
 605         if ((dy == lpbiIn->biHeight) && (dx == lpbiIn->biWidth))
 606                 dy = dx = 0; /* no resize needed */
 607
 608         /* Can we decompress it ? */
 609         if (ICDecompressQuery(tmphic,lpbiIn,NULL) != 0)
 610                 goto errout; /* no, sorry */
 611
 612         ICDecompressGetFormat(tmphic,lpbiIn,lpbiOut);
 613
 614         if (lpbiOut->biCompression != 0) {
 615            FIXME("Ooch, how come decompressor outputs compressed data (%ld)??\n",
 616                          lpbiOut->biCompression);
 617         }
 618         if (lpbiOut->biSize < sizeof(*lpbiOut)) {
 619            FIXME("Ooch, size of output BIH is too small (%ld)\n",
 620                          lpbiOut->biSize);
 621            lpbiOut->biSize = sizeof(*lpbiOut);
 622         }
 623         if (!depth) {
 624                 HDC     hdc;
 625
 626                 hdc = GetDC(0);
 627                 depth = GetDeviceCaps(hdc,BITSPIXEL)*GetDeviceCaps(hdc,PLANES);
 628                 ReleaseDC(0,hdc);
 629                 if (depth==15)  depth = 16;
 630                 if (depth<8)    depth =  8;
 631         }
 632         if (lpbiIn->biBitCount == 8)
 633                 depth = 8;
 634
 635         TRACE("=> %p\n", tmphic);
 636         return tmphic;
 637 errout:
 638         if (hic!=tmphic)
 639                 ICClose(tmphic);
 640
 641         TRACE("=> 0\n");
 642         return 0;
 643 }
 644
 645 /***********************************************************************
 646  *              ICCompress                      [MSVFW32.@]
 647  */
 648 DWORD VFWAPIV
 649 ICCompress(
 650         HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiOutput,LPVOID lpData,
 651         LPBITMAPINFOHEADER lpbiInput,LPVOID lpBits,LPDWORD lpckid,
 652         LPDWORD lpdwFlags,LONG lFrameNum,DWORD dwFrameSize,DWORD dwQuality,
 653         LPBITMAPINFOHEADER lpbiPrev,LPVOID lpPrev)
 654 {
 655         ICCOMPRESS      iccmp;
 656
 657         TRACE("(%p,%ld,%p,%p,%p,%p,...)\n",hic,dwFlags,lpbiOutput,lpData,lpbiInput,lpBits);
 658
 659         iccmp.dwFlags           = dwFlags;
 660
 661         iccmp.lpbiOutput        = lpbiOutput;
 662         iccmp.lpOutput          = lpData;
 663         iccmp.lpbiInput         = lpbiInput;
 664         iccmp.lpInput           = lpBits;
 665
 666         iccmp.lpckid            = lpckid;
 667         iccmp.lpdwFlags         = lpdwFlags;
 668         iccmp.lFrameNum         = lFrameNum;
 669         iccmp.dwFrameSize       = dwFrameSize;
 670         iccmp.dwQuality         = dwQuality;
 671         iccmp.lpbiPrev          = lpbiPrev;
 672         iccmp.lpPrev            = lpPrev;
 673         return ICSendMessage(hic,ICM_COMPRESS,(DWORD)&iccmp,sizeof(iccmp));
 674 }
 675
 676 /***********************************************************************
 677  *              ICDecompress                    [MSVFW32.@]
 678  */
 679 DWORD VFWAPIV  ICDecompress(HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiFormat,
 680                                 LPVOID lpData,LPBITMAPINFOHEADER lpbi,LPVOID lpBits)
 681 {
 682         ICDECOMPRESS    icd;
 683         DWORD ret;
 684
 685         TRACE("(%p,%ld,%p,%p,%p,%p)\n",hic,dwFlags,lpbiFormat,lpData,lpbi,lpBits);
 686
 687         TRACE("lpBits[0] == %lx\n",((LPDWORD)lpBits)[0]);
 688
 689         icd.dwFlags     = dwFlags;
 690         icd.lpbiInput   = lpbiFormat;
 691         icd.lpInput     = lpData;
 692
 693         icd.lpbiOutput  = lpbi;
 694         icd.lpOutput    = lpBits;
 695         icd.ckid        = 0;
 696         ret = ICSendMessage(hic,ICM_DECOMPRESS,(DWORD)&icd,sizeof(ICDECOMPRESS));
 697
 698         TRACE("lpBits[0] == %lx\n",((LPDWORD)lpBits)[0]);
 699
 700         TRACE("-> %ld\n",ret);
 701
 702         return ret;
 703 }
 704
 705 /***********************************************************************
 706  *              ICCompressorChoose   [MSVFW32.@]
 707  */
 708 BOOL VFWAPI ICCompressorChoose(HWND hwnd, UINT uiFlags, LPVOID pvIn,
 709                                LPVOID lpData, PCOMPVARS pc, LPSTR lpszTitle)
 710 {
 711   FIXME("(%p,0x%X,%p,%p,%p,%s),stub!\n",hwnd,uiFlags,pvIn,lpData,pc,lpszTitle);
 712
 713   if (pc == NULL || pc->cbSize != sizeof(COMPVARS))
 714     return FALSE;
 715
 716   if ((pc->dwFlags & ICMF_COMPVARS_VALID) == 0) {
 717     pc->dwFlags   = 0;
 718     pc->fccType   = pc->fccHandler = 0;
 719     pc->hic       = NULL;
 720     pc->lpbiOut   = NULL;
 721     pc->lpBitsOut = pc->lpBitsPrev = pc->lpState = NULL;
 722     pc->lQ        = ICQUALITY_DEFAULT;
 723     pc->lKey      = -1;
 724     pc->lDataRate = 300; /* kB */
 725     pc->lpState   = NULL;
 726     pc->cbState   = 0;
 727   }
 728   if (pc->fccType == 0)
 729     pc->fccType = ICTYPE_VIDEO;
 730
 731   /* FIXME */
 732
 733   return FALSE;
 734 }
 735
 736
 737 /***********************************************************************
 738  *              ICCompressorFree   [MSVFW32.@]
 739  */
 740 void VFWAPI ICCompressorFree(PCOMPVARS pc)
 741 {
 742   TRACE("(%p)\n",pc);
 743
 744   if (pc != NULL && pc->cbSize == sizeof(COMPVARS)) {
 745     if (pc->hic != NULL) {
 746       ICClose(pc->hic);
 747       pc->hic = NULL;
 748     }
 749     if (pc->lpbiOut != NULL) {
 750       GlobalFreePtr(pc->lpbiOut);
 751       pc->lpbiOut = NULL;
 752     }
 753     if (pc->lpBitsOut != NULL) {
 754       GlobalFreePtr(pc->lpBitsOut);
 755       pc->lpBitsOut = NULL;
 756     }
 757     if (pc->lpBitsPrev != NULL) {
 758       GlobalFreePtr(pc->lpBitsPrev);
 759       pc->lpBitsPrev = NULL;
 760     }
 761     if (pc->lpState != NULL) {
 762       GlobalFreePtr(pc->lpBitsPrev);
 763       pc->lpState = NULL;
 764     }
 765     pc->dwFlags = 0;
 766   }
 767 }
 768
 769
 770 /******************************************************************
 771  *              MSVIDEO_SendMessage
 772  *
 773  *
 774  */
 775 LRESULT MSVIDEO_SendMessage(WINE_HIC* whic, UINT msg, DWORD lParam1, DWORD lParam2)
 776 {
 777     LRESULT     ret;
 778
 779 #define XX(x) case x: TRACE("(%p,"#x",0x%08lx,0x%08lx)\n",whic,lParam1,lParam2); break;
 780
 781     switch (msg) {
 782         /* DRV_* */
 783         XX(DRV_LOAD);
 784         XX(DRV_ENABLE);
 785         XX(DRV_OPEN);
 786         XX(DRV_CLOSE);
 787         XX(DRV_DISABLE);
 788         XX(DRV_FREE);
 789         /* ICM_RESERVED+X */
 790         XX(ICM_ABOUT);
 791         XX(ICM_CONFIGURE);
 792         XX(ICM_GET);
 793         XX(ICM_GETINFO);
 794         XX(ICM_GETDEFAULTQUALITY);
 795         XX(ICM_GETQUALITY);
 796         XX(ICM_GETSTATE);
 797         XX(ICM_SETQUALITY);
 798         XX(ICM_SET);
 799         XX(ICM_SETSTATE);
 800         /* ICM_USER+X */
 801         XX(ICM_COMPRESS_FRAMES_INFO);
 802         XX(ICM_COMPRESS_GET_FORMAT);
 803         XX(ICM_COMPRESS_GET_SIZE);
 804         XX(ICM_COMPRESS_QUERY);
 805         XX(ICM_COMPRESS_BEGIN);
 806         XX(ICM_COMPRESS);
 807         XX(ICM_COMPRESS_END);
 808         XX(ICM_DECOMPRESS_GET_FORMAT);
 809         XX(ICM_DECOMPRESS_QUERY);
 810         XX(ICM_DECOMPRESS_BEGIN);
 811         XX(ICM_DECOMPRESS);
 812         XX(ICM_DECOMPRESS_END);
 813         XX(ICM_DECOMPRESS_SET_PALETTE);
 814         XX(ICM_DECOMPRESS_GET_PALETTE);
 815         XX(ICM_DRAW_QUERY);
 816         XX(ICM_DRAW_BEGIN);
 817         XX(ICM_DRAW_GET_PALETTE);
 818         XX(ICM_DRAW_START);
 819         XX(ICM_DRAW_STOP);
 820         XX(ICM_DRAW_END);
 821         XX(ICM_DRAW_GETTIME);
 822         XX(ICM_DRAW);
 823         XX(ICM_DRAW_WINDOW);
 824         XX(ICM_DRAW_SETTIME);
 825         XX(ICM_DRAW_REALIZE);
 826         XX(ICM_DRAW_FLUSH);
 827         XX(ICM_DRAW_RENDERBUFFER);
 828         XX(ICM_DRAW_START_PLAY);
 829         XX(ICM_DRAW_STOP_PLAY);
 830         XX(ICM_DRAW_SUGGESTFORMAT);
 831         XX(ICM_DRAW_CHANGEPALETTE);
 832         XX(ICM_GETBUFFERSWANTED);
 833         XX(ICM_GETDEFAULTKEYFRAMERATE);
 834         XX(ICM_DECOMPRESSEX_BEGIN);
 835         XX(ICM_DECOMPRESSEX_QUERY);
 836         XX(ICM_DECOMPRESSEX);
 837         XX(ICM_DECOMPRESSEX_END);
 838         XX(ICM_SET_STATUS_PROC);
 839     default:
 840         FIXME("(%p,0x%08lx,0x%08lx,0x%08lx) unknown message\n",whic,(DWORD)msg,lParam1,lParam2);
 841     }
 842
 843 #undef XX
 844
 845     if (whic->driverproc) {
 846         /* dwDriverId parameter is the value returned by the DRV_OPEN */
 847         ret = whic->driverproc(whic->driverId, whic->hdrv, msg, lParam1, lParam2);
 848     } else {
 849         ret = SendDriverMessage(whic->hdrv, msg, lParam1, lParam2);
 850     }
 851
 852     TRACE("     -> 0x%08lx\n", ret);
 853     return ret;
 854 }
 855
 856 /***********************************************************************
 857  *              ICSendMessage                   [MSVFW32.@]
 858  */
 859 LRESULT VFWAPI ICSendMessage(HIC hic, UINT msg, DWORD lParam1, DWORD lParam2)
 860 {
 861     WINE_HIC*   whic = MSVIDEO_GetHicPtr(hic);
 862
 863     if (!whic) return ICERR_BADHANDLE;
 864     return MSVIDEO_SendMessage(whic, msg, lParam1, lParam2);
 865 }
 866
 867 /***********************************************************************
 868  *              ICDrawBegin             [MSVFW32.@]
 869  */
 870 DWORD VFWAPIV ICDrawBegin(
 871         HIC                hic,     /* [in] */
 872         DWORD              dwFlags, /* [in] flags */
 873         HPALETTE           hpal,    /* [in] palette to draw with */
 874         HWND               hwnd,    /* [in] window to draw to */
 875         HDC                hdc,     /* [in] HDC to draw to */
 876         INT                xDst,    /* [in] destination rectangle */
 877         INT                yDst,    /* [in] */
 878         INT                dxDst,   /* [in] */
 879         INT                dyDst,   /* [in] */
 880         LPBITMAPINFOHEADER lpbi,    /* [in] format of frame to draw */
 881         INT                xSrc,    /* [in] source rectangle */
 882         INT                ySrc,    /* [in] */
 883         INT                dxSrc,   /* [in] */
 884         INT                dySrc,   /* [in] */
 885         DWORD              dwRate,  /* [in] frames/second = (dwRate/dwScale) */
 886         DWORD              dwScale) /* [in] */
 887 {
 888
 889         ICDRAWBEGIN     icdb;
 890
 891         TRACE("(%p,%ld,%p,%p,%p,%u,%u,%u,%u,%p,%u,%u,%u,%u,%ld,%ld)\n",
 892                   hic, dwFlags, hpal, hwnd, hdc, xDst, yDst, dxDst, dyDst,
 893                   lpbi, xSrc, ySrc, dxSrc, dySrc, dwRate, dwScale);
 894
 895         icdb.dwFlags = dwFlags;
 896         icdb.hpal = hpal;
 897         icdb.hwnd = hwnd;
 898         icdb.hdc = hdc;
 899         icdb.xDst = xDst;
 900         icdb.yDst = yDst;
 901         icdb.dxDst = dxDst;
 902         icdb.dyDst = dyDst;
 903         icdb.lpbi = lpbi;
 904         icdb.xSrc = xSrc;
 905         icdb.ySrc = ySrc;
 906         icdb.dxSrc = dxSrc;
 907         icdb.dySrc = dySrc;
 908         icdb.dwRate = dwRate;
 909         icdb.dwScale = dwScale;
 910         return ICSendMessage(hic,ICM_DRAW_BEGIN,(DWORD)&icdb,sizeof(icdb));
 911 }
 912
 913 /***********************************************************************
 914  *              ICDraw                  [MSVFW32.@]
 915  */
 916 DWORD VFWAPIV ICDraw(HIC hic, DWORD dwFlags, LPVOID lpFormat, LPVOID lpData, DWORD cbData, LONG lTime) {
 917         ICDRAW  icd;
 918
 919         TRACE("(%p,%ld,%p,%p,%ld,%ld)\n",hic,dwFlags,lpFormat,lpData,cbData,lTime);
 920
 921         icd.dwFlags = dwFlags;
 922         icd.lpFormat = lpFormat;
 923         icd.lpData = lpData;
 924         icd.cbData = cbData;
 925         icd.lTime = lTime;
 926
 927         return ICSendMessage(hic,ICM_DRAW,(DWORD)&icd,sizeof(icd));
 928 }
 929
 930 /***********************************************************************
 931  *              ICClose                 [MSVFW32.@]
 932  */
 933 LRESULT WINAPI ICClose(HIC hic)
 934 {
 935     WINE_HIC* whic = MSVIDEO_GetHicPtr(hic);
 936     WINE_HIC** p;
 937
 938     TRACE("(%p)\n",hic);
 939
 940     if (!whic) return ICERR_BADHANDLE;
 941
 942     if (whic->driverproc)
 943     {
 944         MSVIDEO_SendMessage(whic, DRV_CLOSE, 0, 0);
 945         MSVIDEO_SendMessage(whic, DRV_DISABLE, 0, 0);
 946         MSVIDEO_SendMessage(whic, DRV_FREE, 0, 0);
 947     }
 948     else
 949     {
 950         CloseDriver(whic->hdrv, 0, 0);
 951     }
 952
 953     /* remove whic from list */
 954     for (p = &MSVIDEO_FirstHic; *p != NULL; p = &((*p)->next))
 955     {
 956         if ((*p) == whic)
 957         {
 958             *p = whic->next;
 959             break;
 960         }
 961     }
 962
 963     HeapFree(GetProcessHeap(), 0, whic);
 964     return 0;
 965 }
 966
 967
 968
 969 /***********************************************************************
 970  *              ICImageCompress [MSVFW32.@]
 971  */
 972 HANDLE VFWAPI ICImageCompress(
 973         HIC hic, UINT uiFlags,
 974         LPBITMAPINFO lpbiIn, LPVOID lpBits,
 975         LPBITMAPINFO lpbiOut, LONG lQuality,
 976         LONG* plSize)
 977 {
 978         FIXME("(%p,%08x,%p,%p,%p,%ld,%p)\n",
 979                 hic, uiFlags, lpbiIn, lpBits, lpbiOut, lQuality, plSize);
 980
 981         return NULL;
 982 }
 983
 984 /***********************************************************************
 985  *              ICImageDecompress       [MSVFW32.@]
 986  */
 987
 988 HANDLE VFWAPI ICImageDecompress(
 989         HIC hic, UINT uiFlags, LPBITMAPINFO lpbiIn,
 990         LPVOID lpBits, LPBITMAPINFO lpbiOut)
 991 {
 992         HGLOBAL hMem = NULL;
 993         BYTE*   pMem = NULL;
 994         BOOL    bReleaseIC = FALSE;
 995         BYTE*   pHdr = NULL;
 996         ULONG   cbHdr = 0;
 997         BOOL    bSucceeded = FALSE;
 998         BOOL    bInDecompress = FALSE;
 999         DWORD   biSizeImage;
1000
1001         TRACE("(%p,%08x,%p,%p,%p)\n",
1002                 hic, uiFlags, lpbiIn, lpBits, lpbiOut);
1003
1004         if ( hic == NULL )
1005         {
1006                 hic = ICDecompressOpen( ICTYPE_VIDEO, 0, &lpbiIn->bmiHeader, (lpbiOut != NULL) ? &lpbiOut->bmiHeader : NULL );
1007                 if ( hic == NULL )
1008                 {
1009                         WARN("no handler\n" );
1010                         goto err;
1011                 }
1012                 bReleaseIC = TRUE;
1013         }
1014         if ( uiFlags != 0 )
1015         {
1016                 FIXME( "unknown flag %08x\n", uiFlags );
1017                 goto err;
1018         }
1019         if ( lpbiIn == NULL || lpBits == NULL )
1020         {
1021                 WARN("invalid argument\n");
1022                 goto err;
1023         }
1024
1025         if ( lpbiOut != NULL )
1026         {
1027                 if ( lpbiOut->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) )
1028                         goto err;
1029                 cbHdr = sizeof(BITMAPINFOHEADER);
1030                 if ( lpbiOut->bmiHeader.biCompression == 3 )
1031                         cbHdr += sizeof(DWORD)*3;
1032                 else
1033                 if ( lpbiOut->bmiHeader.biBitCount <= 8 )
1034                 {
1035                         if ( lpbiOut->bmiHeader.biClrUsed == 0 )
1036                                 cbHdr += sizeof(RGBQUAD) * (1<<lpbiOut->bmiHeader.biBitCount);
1037                         else
1038                                 cbHdr += sizeof(RGBQUAD) * lpbiOut->bmiHeader.biClrUsed;
1039                 }
1040         }
1041         else
1042         {
1043                 TRACE( "get format\n" );
1044
1045                 cbHdr = ICDecompressGetFormatSize(hic,lpbiIn);
1046                 if ( cbHdr < sizeof(BITMAPINFOHEADER) )
1047                         goto err;
1048                 pHdr = (BYTE*)HeapAlloc(GetProcessHeap(),0,cbHdr+sizeof(RGBQUAD)*256);
1049                 if ( pHdr == NULL )
1050                         goto err;
1051                 ZeroMemory( pHdr, cbHdr+sizeof(RGBQUAD)*256 );
1052                 if ( ICDecompressGetFormat( hic, lpbiIn, (BITMAPINFO*)pHdr ) != ICERR_OK )
1053                         goto err;
1054                 lpbiOut = (BITMAPINFO*)pHdr;
1055                 if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
1056                          ICDecompressGetPalette( hic, lpbiIn, lpbiOut ) != ICERR_OK &&
1057                          lpbiIn->bmiHeader.biBitCount == lpbiOut->bmiHeader.biBitCount )
1058                 {
1059                         if ( lpbiIn->bmiHeader.biClrUsed == 0 )
1060                                 memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*(1<<lpbiOut->bmiHeader.biBitCount) );
1061                         else
1062                                 memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*lpbiIn->bmiHeader.biClrUsed );
1063                 }
1064                 if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
1065                          lpbiOut->bmiHeader.biClrUsed == 0 )
1066                         lpbiOut->bmiHeader.biClrUsed = 1<<lpbiOut->bmiHeader.biBitCount;
1067
1068                 lpbiOut->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1069                 cbHdr = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*lpbiOut->bmiHeader.biClrUsed;
1070         }
1071
1072         biSizeImage = lpbiOut->bmiHeader.biSizeImage;
1073         if ( biSizeImage == 0 )
1074                 biSizeImage = ((((lpbiOut->bmiHeader.biWidth * lpbiOut->bmiHeader.biBitCount + 7) >> 3) + 3) & (~3)) * abs(lpbiOut->bmiHeader.biHeight);
1075
1076         TRACE( "call ICDecompressBegin\n" );
1077
1078         if ( ICDecompressBegin( hic, lpbiIn, lpbiOut ) != ICERR_OK )
1079                 goto err;
1080         bInDecompress = TRUE;
1081
1082         TRACE( "cbHdr %ld, biSizeImage %ld\n", cbHdr, biSizeImage );
1083
1084         hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_ZEROINIT, cbHdr + biSizeImage );
1085         if ( hMem == NULL )
1086         {
1087                 WARN( "out of memory\n" );
1088                 goto err;
1089         }
1090         pMem = (BYTE*)GlobalLock( hMem );
1091         if ( pMem == NULL )
1092                 goto err;
1093         memcpy( pMem, lpbiOut, cbHdr );
1094
1095         TRACE( "call ICDecompress\n" );
1096         if ( ICDecompress( hic, 0, &lpbiIn->bmiHeader, lpBits, &lpbiOut->bmiHeader, pMem+cbHdr ) != ICERR_OK )
1097                 goto err;
1098
1099         bSucceeded = TRUE;
1100 err:
1101         if ( bInDecompress )
1102                 ICDecompressEnd( hic );
1103         if ( bReleaseIC )
1104                 ICClose(hic);
1105         HeapFree(GetProcessHeap(),0,pHdr);
1106         if ( pMem != NULL )
1107                 GlobalUnlock( hMem );
1108         if ( !bSucceeded && hMem != NULL )
1109         {
1110                 GlobalFree(hMem); hMem = NULL;
1111         }
1112
1113         return (HANDLE)hMem;
1114 }
1115
1116 /***********************************************************************
1117  *      ICSeqCompressFrame   [MSVFW32.@]
1118  */
1119 LPVOID VFWAPI ICSeqCompressFrame(PCOMPVARS pc, UINT uiFlags, LPVOID lpBits, BOOL *pfKey, LONG *plSize)
1120 {
1121     FIXME("(%p, 0x%08x, %p, %p, %p), stub!\n", pc, uiFlags, lpBits, pfKey, plSize);
1122     return NULL;
1123 }
1124
1125 /***********************************************************************
1126  *      ICSeqCompressFrameEnd   [MSVFW32.@]
1127  */
1128 void VFWAPI ICSeqCompressFrameEnd(PCOMPVARS pc)
1129 {
1130     FIXME("(%p), stub!\n", pc);
1131 }
1132
1133 /***********************************************************************
1134  *      ICSeqCompressFrameEnd   [MSVFW32.@]
1135  */
1136 BOOL VFWAPI ICSeqCompressFrameStart(PCOMPVARS pc, LPBITMAPINFO lpbiIn)
1137 {
1138     FIXME("(%p, %p), stub!\n", pc, lpbiIn);
1139     return TRUE;
1140 }
1141
1142 /***********************************************************************
1143  *      GetFileNamePreview   [MSVFW32.@]
1144  */
1145 static BOOL GetFileNamePreview(LPVOID lpofn,BOOL bSave,BOOL bUnicode)
1146 {
1147   CHAR    szFunctionName[20];
1148   BOOL    (*fnGetFileName)(LPVOID);
1149   HMODULE hComdlg32;
1150   BOOL    ret;
1151
1152   FIXME("(%p,%d,%d), semi-stub!\n",lpofn,bSave,bUnicode);
1153
1154   lstrcpyA(szFunctionName, (bSave ? "GetSaveFileName" : "GetOpenFileName"));
1155   lstrcatA(szFunctionName, (bUnicode ? "W" : "A"));
1156
1157   hComdlg32 = LoadLibraryA("COMDLG32.DLL");
1158   if (hComdlg32 == NULL)
1159     return FALSE;
1160
1161   fnGetFileName = (LPVOID)GetProcAddress(hComdlg32, szFunctionName);
1162   if (fnGetFileName == NULL)
1163     return FALSE;
1164
1165   /* FIXME: need to add OFN_ENABLEHOOK and our own handler */
1166   ret = fnGetFileName(lpofn);
1167
1168   FreeLibrary(hComdlg32);
1169   return ret;
1170 }
1171
1172 /***********************************************************************
1173  *              GetOpenFileNamePreviewA [MSVFW32.@]
1174  */
1175 BOOL WINAPI GetOpenFileNamePreviewA(LPOPENFILENAMEA lpofn)
1176 {
1177   FIXME("(%p), semi-stub!\n", lpofn);
1178
1179   return GetFileNamePreview(lpofn, FALSE, FALSE);
1180 }
1181
1182 /***********************************************************************
1183  *              GetOpenFileNamePreviewW [MSVFW32.@]
1184  */
1185 BOOL WINAPI GetOpenFileNamePreviewW(LPOPENFILENAMEW lpofn)
1186 {
1187   FIXME("(%p), semi-stub!\n", lpofn);
1188
1189   return GetFileNamePreview(lpofn, FALSE, TRUE);
1190 }
1191
1192 /***********************************************************************
1193  *              GetSaveFileNamePreviewA [MSVFW32.@]
1194  */
1195 BOOL WINAPI GetSaveFileNamePreviewA(LPOPENFILENAMEA lpofn)
1196 {
1197   FIXME("(%p), semi-stub!\n", lpofn);
1198
1199   return GetFileNamePreview(lpofn, TRUE, FALSE);
1200 }
1201
1202 /***********************************************************************
1203  *              GetSaveFileNamePreviewW [MSVFW32.@]
1204  */
1205 BOOL WINAPI GetSaveFileNamePreviewW(LPOPENFILENAMEW lpofn)
1206 {
1207   FIXME("(%p), semi-stub!\n", lpofn);
1208
1209   return GetFileNamePreview(lpofn, TRUE, TRUE);
1210 }