dlls/msvideo/msvideo_main.c

   1 /*
   2  * Copyright 1998 Marcus Meissner
   3  * Copyright 2000 Bradley Baetz
   4  * Copyright 2003 Michael Günnewig
   5  * Copyright 2005 Dmitry Timoshkov
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  *
  21  * FIXME: This all assumes 32 bit codecs
  22  *              Win95 appears to prefer 32 bit codecs, even from 16 bit code.
  23  *              There is the ICOpenFunction16 to worry about still, though.
  24  *
  25  * TODO
  26  *      - no thread safety
  27  */
  28
  29 #include <stdarg.h>
  30 #include <stdio.h>
  31 #include <string.h>
  32
  33 #define COM_NO_WINDOWS_H
  34 #include "windef.h"
  35 #include "winbase.h"
  36 #include "winreg.h"
  37 #include "winnls.h"
  38 #include "wingdi.h"
  39 #include "winuser.h"
  40 #include "commdlg.h"
  41 #include "vfw.h"
  42 #include "msvideo_private.h"
  43 #include "wine/debug.h"
  44
  45 /* Drivers32 settings */
  46 #define HKLM_DRIVERS32 "Software\\Microsoft\\Windows NT\\CurrentVersion\\Drivers32"
  47
  48 WINE_DEFAULT_DEBUG_CHANNEL(msvideo);
  49
  50 static inline const char *wine_dbgstr_fcc( DWORD fcc )
  51 {
  52     return wine_dbg_sprintf("%c%c%c%c",
  53                             LOBYTE(LOWORD(fcc)), HIBYTE(LOWORD(fcc)),
  54                             LOBYTE(HIWORD(fcc)), HIBYTE(HIWORD(fcc)));
  55 }
  56
  57 LRESULT (CALLBACK *pFnCallTo16)(HDRVR, HIC, UINT, LPARAM, LPARAM) = NULL;
  58
  59 static WINE_HIC*        MSVIDEO_FirstHic /* = NULL */;
  60
  61 typedef struct _reg_driver reg_driver;
  62 struct _reg_driver
  63 {
  64     DWORD       fccType;
  65     DWORD       fccHandler;
  66     DRIVERPROC  proc;
  67     LPWSTR      name;
  68     reg_driver* next;
  69 };
  70
  71 static reg_driver* reg_driver_list = NULL;
  72
  73 /* This one is a macro such that it works for both ASCII and Unicode */
  74 #define fourcc_to_string(str, fcc) do { \
  75         (str)[0] = LOBYTE(LOWORD(fcc)); \
  76         (str)[1] = HIBYTE(LOWORD(fcc)); \
  77         (str)[2] = LOBYTE(HIWORD(fcc)); \
  78         (str)[3] = HIBYTE(HIWORD(fcc)); \
  79         } while(0)
  80
  81 HMODULE MSVFW32_hModule;
  82
  83 BOOL WINAPI DllMain( HINSTANCE hinst, DWORD reason, LPVOID reserved )
  84 {
  85     TRACE("%p,%lx,%p\n", hinst, reason, reserved);
  86
  87     switch(reason)
  88     {
  89         case DLL_PROCESS_ATTACH:
  90             DisableThreadLibraryCalls(hinst);
  91             MSVFW32_hModule = (HMODULE)hinst;
  92             break;
  93     }
  94     return TRUE;
  95 }
  96
  97 static int compare_fourcc(DWORD fcc1, DWORD fcc2)
  98 {
  99   char fcc_str1[4];
 100   char fcc_str2[4];
 101   fourcc_to_string(fcc_str1, fcc1);
 102   fourcc_to_string(fcc_str2, fcc2);
 103   return strncasecmp(fcc_str1, fcc_str2, 4);
 104 }
 105
 106 typedef BOOL (*enum_handler_t)(const char*, int, void*);
 107
 108 static BOOL enum_drivers(DWORD fccType, enum_handler_t handler, void* param)
 109 {
 110     CHAR buf[2048], fccTypeStr[5], *s;
 111     DWORD i, cnt = 0, bufLen, lRet;
 112     BOOL result = FALSE;
 113     FILETIME lastWrite;
 114     HKEY hKey;
 115
 116     fourcc_to_string(fccTypeStr, fccType);
 117     fccTypeStr[4] = '.';
 118
 119     /* first, go through the registry entries */
 120     lRet = RegOpenKeyExA(HKEY_LOCAL_MACHINE, HKLM_DRIVERS32, 0, KEY_QUERY_VALUE, &hKey);
 121     if (lRet == ERROR_SUCCESS)
 122     {
 123         DWORD numkeys;
 124         RegQueryInfoKeyA( hKey, 0, 0, 0, &numkeys, 0, 0, 0, 0, 0, 0, 0);
 125         for (i = 0; i < numkeys; i++)
 126         {
 127             bufLen = sizeof(buf) / sizeof(buf[0]);
 128             lRet = RegEnumKeyExA(hKey, i, buf, &bufLen, 0, 0, 0, &lastWrite);
 129             if (lRet != ERROR_SUCCESS) continue;
 130             if (strncasecmp(buf, fccTypeStr, 5) || buf[9] != '=') continue;
 131             if ((result = handler(buf, cnt++, param))) break;
 132         }
 133         RegCloseKey( hKey );
 134     }
 135     if (result) return result;
 136
 137     /* if that didn't work, go through the values in system.ini */
 138     if (GetPrivateProfileSectionA("drivers32", buf, sizeof(buf), "system.ini"))
 139     {
 140         for (s = buf; *s; s += strlen(s) + 1)
 141         {
 142             TRACE("got %s\n", s);
 143             if (strncasecmp(s, fccTypeStr, 5) || s[9] != '=') continue;
 144             if ((result = handler(s, cnt++, param))) break;
 145         }
 146     }
 147
 148     return result;
 149 }
 150
 151 /******************************************************************
 152  *              MSVIDEO_GetHicPtr
 153  *
 154  *
 155  */
 156 WINE_HIC*   MSVIDEO_GetHicPtr(HIC hic)
 157 {
 158     WINE_HIC*   whic;
 159
 160     for (whic = MSVIDEO_FirstHic; whic && whic->hic != hic; whic = whic->next);
 161     return whic;
 162 }
 163
 164 /***********************************************************************
 165  *              VideoForWindowsVersion          [MSVFW32.2]
 166  *              VideoForWindowsVersion          [MSVIDEO.2]
 167  * Returns the version in major.minor form.
 168  * In Windows95 this returns 0x040003b6 (4.950)
 169  */
 170 DWORD WINAPI VideoForWindowsVersion(void)
 171 {
 172     return 0x040003B6; /* 4.950 */
 173 }
 174
 175 static BOOL ICInfo_enum_handler(const char *drv, int nr, void *param)
 176 {
 177     ICINFO *lpicinfo = (ICINFO *)param;
 178     DWORD fccHandler = mmioStringToFOURCCA(drv + 5, 0);
 179
 180     /* exact match of fccHandler or nth driver found */
 181     if ((lpicinfo->fccHandler != nr) && (lpicinfo->fccHandler != fccHandler))
 182         return FALSE;
 183
 184     lpicinfo->fccType = mmioStringToFOURCCA(drv, 0);
 185     lpicinfo->fccHandler = fccHandler;
 186     lpicinfo->dwFlags = 0;
 187     lpicinfo->dwVersion = 0;
 188     lpicinfo->dwVersionICM = 0x104;
 189     lpicinfo->szName[0] = 0;
 190     lpicinfo->szDescription[0] = 0;
 191     MultiByteToWideChar(CP_ACP, 0, drv + 10, -1, lpicinfo->szDriver,
 192                         sizeof(lpicinfo->szDriver)/sizeof(WCHAR));
 193
 194     return TRUE;
 195 }
 196
 197 /***********************************************************************
 198  *              ICInfo                          [MSVFW32.@]
 199  * Get information about an installable compressor. Return TRUE if there
 200  * is one.
 201  *
 202  * PARAMS
 203  *   fccType     [I] type of compressor (e.g. 'vidc')
 204  *   fccHandler  [I] real fcc for handler or <n>th compressor
 205  *   lpicinfo    [O] information about compressor
 206  */
 207 BOOL VFWAPI ICInfo( DWORD fccType, DWORD fccHandler, ICINFO *lpicinfo)
 208 {
 209     TRACE("(%s,%s/%08lx,%p)\n",
 210           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), fccHandler, lpicinfo);
 211
 212     lpicinfo->fccHandler = fccHandler;
 213     return enum_drivers(fccType, ICInfo_enum_handler, lpicinfo);
 214 }
 215
 216 static DWORD IC_HandleRef = 1;
 217
 218 /***********************************************************************
 219  *              ICInstall                       [MSVFW32.@]
 220  */
 221 BOOL VFWAPI ICInstall(DWORD fccType, DWORD fccHandler, LPARAM lParam, LPSTR szDesc, UINT wFlags)
 222 {
 223     reg_driver* driver;
 224     unsigned len;
 225
 226     TRACE("(%s,%s,%p,%p,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), (void*)lParam, szDesc, wFlags);
 227
 228     /* Check if a driver is already registered */
 229     for (driver = reg_driver_list; driver; driver = driver->next)
 230     {
 231         if (!compare_fourcc(fccType, driver->fccType) &&
 232             !compare_fourcc(fccHandler, driver->fccHandler))
 233             break;
 234     }
 235     if (driver) return FALSE;
 236
 237     /* Register the driver */
 238     driver = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(reg_driver));
 239     if (!driver) goto oom;
 240     driver->fccType = fccType;
 241     driver->fccHandler = fccHandler;
 242
 243     switch(wFlags)
 244     {
 245     case ICINSTALL_FUNCTION:
 246         driver->proc = (DRIVERPROC)lParam;
 247         driver->name = NULL;
 248         break;
 249     case ICINSTALL_DRIVER:
 250         driver->proc = NULL;
 251         len = MultiByteToWideChar(CP_ACP, 0, (char*)lParam, -1, NULL, 0);
 252         driver->name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(WCHAR));
 253         if (!driver->name) goto oom;
 254         MultiByteToWideChar(CP_ACP, 0, (char*)lParam, -1, driver->name, len);
 255         break;
 256     default:
 257         ERR("Invalid flags!\n");
 258         HeapFree(GetProcessHeap(), 0, driver);
 259         return FALSE;
 260    }
 261
 262    /* Insert our driver in the list*/
 263    driver->next = reg_driver_list;
 264    reg_driver_list = driver;
 265
 266    return TRUE;
 267 oom:
 268    HeapFree(GetProcessHeap(), 0, driver);
 269    return FALSE;
 270 }
 271
 272 /***********************************************************************
 273  *              ICRemove                        [MSVFW32.@]
 274  */
 275 BOOL VFWAPI ICRemove(DWORD fccType, DWORD fccHandler, UINT wFlags)
 276 {
 277     reg_driver** pdriver;
 278     reg_driver*  drv;
 279
 280     TRACE("(%s,%s,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wFlags);
 281
 282     /* Check if a driver is already registered */
 283     for (pdriver = &reg_driver_list; *pdriver; pdriver = &(*pdriver)->next)
 284     {
 285         if (!compare_fourcc(fccType, (*pdriver)->fccType) &&
 286             !compare_fourcc(fccHandler, (*pdriver)->fccHandler))
 287             break;
 288     }
 289     if (!*pdriver)
 290         return FALSE;
 291
 292     /* Remove the driver from the list */
 293     drv = *pdriver;
 294     *pdriver = (*pdriver)->next;
 295     HeapFree(GetProcessHeap(), 0, drv->name);
 296     HeapFree(GetProcessHeap(), 0, drv);
 297
 298     return TRUE;
 299 }
 300
 301
 302 /***********************************************************************
 303  *              ICOpen                          [MSVFW32.@]
 304  * Opens an installable compressor. Return special handle.
 305  */
 306 HIC VFWAPI ICOpen(DWORD fccType, DWORD fccHandler, UINT wMode)
 307 {
 308     WCHAR               codecname[10];
 309     ICOPEN              icopen;
 310     HDRVR               hdrv;
 311     WINE_HIC*           whic;
 312     BOOL                bIs16;
 313     static const WCHAR  drv32W[] = {'d','r','i','v','e','r','s','3','2','\0'};
 314     reg_driver*         driver;
 315
 316     TRACE("(%s,%s,0x%08x)\n", wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wMode);
 317
 318     /* Check if there is a registered driver that matches */
 319     driver = reg_driver_list;
 320     while(driver)
 321         if (!compare_fourcc(fccType, driver->fccType) &&
 322             !compare_fourcc(fccHandler, driver->fccHandler))
 323             break;
 324         else
 325             driver = driver->next;
 326
 327     if (driver && driver->proc)
 328         /* The driver has been registered at runtime with its driverproc */
 329         return MSVIDEO_OpenFunction(fccType, fccHandler, wMode, (DRIVERPROC)driver->proc, (DWORD)NULL);
 330
 331     /* Well, lParam2 is in fact a LPVIDEO_OPEN_PARMS, but it has the
 332      * same layout as ICOPEN
 333      */
 334     icopen.dwSize               = sizeof(ICOPEN);
 335     icopen.fccType              = fccType;
 336     icopen.fccHandler           = fccHandler;
 337     icopen.dwVersion            = 0x00001000; /* FIXME */
 338     icopen.dwFlags              = wMode;
 339     icopen.dwError              = 0;
 340     icopen.pV1Reserved          = NULL;
 341     icopen.pV2Reserved          = NULL;
 342     icopen.dnDevNode            = 0; /* FIXME */
 343
 344     if (!driver) {
 345         /* The driver is registered in the registry */
 346         fourcc_to_string(codecname, fccType);
 347         codecname[4] = '.';
 348         fourcc_to_string(codecname + 5, fccHandler);
 349         codecname[9] = '\0';
 350
 351         hdrv = OpenDriver(codecname, drv32W, (LPARAM)&icopen);
 352         if (!hdrv)
 353             return 0;
 354     } else {
 355         /* The driver has been registered at runtime with its name */
 356         hdrv = OpenDriver(driver->name, NULL, (LPARAM)&icopen);
 357         if (!hdrv)
 358             return 0;
 359     }
 360     bIs16 = GetDriverFlags(hdrv) & 0x10000000; /* undocumented flag: WINE_GDF_16BIT */
 361
 362     if (bIs16 && !pFnCallTo16)
 363     {
 364         FIXME("Got a 16 bit driver, but no 16 bit support in msvfw\n");
 365         return 0;
 366     }
 367     whic = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_HIC));
 368     if (!whic)
 369     {
 370         CloseDriver(hdrv, 0, 0);
 371         return FALSE;
 372     }
 373     whic->hdrv          = hdrv;
 374     /* FIXME: is the signature the real one ? */
 375     whic->driverproc    = bIs16 ? (DRIVERPROC)pFnCallTo16 : NULL;
 376     whic->driverproc16  = 0;
 377     whic->type          = fccType;
 378     whic->handler       = fccHandler;
 379     while (MSVIDEO_GetHicPtr(HIC_32(IC_HandleRef)) != NULL) IC_HandleRef++;
 380     whic->hic           = HIC_32(IC_HandleRef++);
 381     whic->next          = MSVIDEO_FirstHic;
 382     MSVIDEO_FirstHic = whic;
 383
 384     TRACE("=> %p\n", whic->hic);
 385     return whic->hic;
 386 }
 387
 388 /***********************************************************************
 389  *              MSVIDEO_OpenFunction
 390  */
 391 HIC MSVIDEO_OpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode,
 392                          DRIVERPROC lpfnHandler, DWORD lpfnHandler16)
 393 {
 394     ICOPEN      icopen;
 395     WINE_HIC*   whic;
 396
 397     TRACE("(%s,%s,%d,%p,%08lx)\n",
 398           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), wMode, lpfnHandler, lpfnHandler16);
 399
 400     icopen.dwSize               = sizeof(ICOPEN);
 401     icopen.fccType              = fccType;
 402     icopen.fccHandler           = fccHandler;
 403     icopen.dwVersion            = 0x00001000; /* FIXME */
 404     icopen.dwFlags              = wMode;
 405     icopen.dwError              = 0;
 406     icopen.pV1Reserved          = NULL;
 407     icopen.pV2Reserved          = NULL;
 408     icopen.dnDevNode            = 0; /* FIXME */
 409
 410     whic = HeapAlloc(GetProcessHeap(), 0, sizeof(WINE_HIC));
 411     if (!whic) return 0;
 412
 413     whic->driverproc   = lpfnHandler;
 414     whic->driverproc16 = lpfnHandler16;
 415     while (MSVIDEO_GetHicPtr(HIC_32(IC_HandleRef)) != NULL) IC_HandleRef++;
 416     whic->hic          = HIC_32(IC_HandleRef++);
 417     whic->next         = MSVIDEO_FirstHic;
 418     MSVIDEO_FirstHic = whic;
 419
 420     /* Now try opening/loading the driver. Taken from DRIVER_AddToList */
 421     /* What if the function is used more than once? */
 422
 423     if (MSVIDEO_SendMessage(whic, DRV_LOAD, 0L, 0L) != DRV_SUCCESS)
 424     {
 425         WARN("DRV_LOAD failed for hic %p\n", whic->hic);
 426         MSVIDEO_FirstHic = whic->next;
 427         HeapFree(GetProcessHeap(), 0, whic);
 428         return 0;
 429     }
 430     /* return value is not checked */
 431     MSVIDEO_SendMessage(whic, DRV_ENABLE, 0L, 0L);
 432
 433     whic->driverId = (DWORD)MSVIDEO_SendMessage(whic, DRV_OPEN, 0, (DWORD_PTR)&icopen);
 434     /* FIXME: What should we put here? */
 435     whic->hdrv = NULL;
 436
 437     if (whic->driverId == 0)
 438     {
 439         WARN("DRV_OPEN failed for hic %p\n", whic->hic);
 440         MSVIDEO_FirstHic = whic->next;
 441         HeapFree(GetProcessHeap(), 0, whic);
 442         return 0;
 443     }
 444
 445     TRACE("=> %p\n", whic->hic);
 446     return whic->hic;
 447 }
 448
 449 /***********************************************************************
 450  *              ICOpenFunction                  [MSVFW32.@]
 451  */
 452 HIC VFWAPI ICOpenFunction(DWORD fccType, DWORD fccHandler, UINT wMode, FARPROC lpfnHandler)
 453 {
 454     return MSVIDEO_OpenFunction(fccType, fccHandler, wMode, (DRIVERPROC)lpfnHandler, 0);
 455 }
 456
 457 /***********************************************************************
 458  *              ICGetInfo                       [MSVFW32.@]
 459  */
 460 LRESULT VFWAPI ICGetInfo(HIC hic, ICINFO *picinfo, DWORD cb)
 461 {
 462     LRESULT     ret;
 463     WINE_HIC*   whic = MSVIDEO_GetHicPtr(hic);
 464
 465     TRACE("(%p,%p,%ld)\n", hic, picinfo, cb);
 466
 467     whic = MSVIDEO_GetHicPtr(hic);
 468     if (!whic) return ICERR_BADHANDLE;
 469     if (!picinfo) return MMSYSERR_INVALPARAM;
 470
 471     /* (WS) The field szDriver should be initialized because the driver
 472      * is not obliged and often will not do it. Some applications, like
 473      * VirtualDub, rely on this field and will occasionally crash if it
 474      * goes unitialized.
 475      */
 476     if (cb >= sizeof(ICINFO)) picinfo->szDriver[0] = '\0';
 477
 478     ret = ICSendMessage(hic, ICM_GETINFO, (DWORD_PTR)picinfo, cb);
 479
 480     /* (WS) When szDriver was not supplied by the driver itself, apparently
 481      * Windows will set its value equal to the driver file name. This can
 482      * be obtained from the registry as we do here.
 483      */
 484     if (cb >= sizeof(ICINFO) && picinfo->szDriver[0] == 0)
 485     {
 486         ICINFO  ii;
 487
 488         memset(&ii, 0, sizeof(ii));
 489         ii.dwSize = sizeof(ii);
 490         ICInfo(picinfo->fccType, picinfo->fccHandler, &ii);
 491         lstrcpyW(picinfo->szDriver, ii.szDriver);
 492     }
 493
 494     TRACE("     -> 0x%08lx\n", ret);
 495     return ret;
 496 }
 497
 498 typedef struct {
 499     DWORD fccType;
 500     DWORD fccHandler;
 501     LPBITMAPINFOHEADER lpbiIn;
 502     LPBITMAPINFOHEADER lpbiOut;
 503     WORD wMode;
 504     DWORD querymsg;
 505     HIC hic;
 506 } driver_info_t;
 507
 508 static HIC try_driver(driver_info_t *info)
 509 {
 510     HIC   hic;
 511
 512     if ((hic = ICOpen(info->fccType, info->fccHandler, info->wMode)))
 513     {
 514         if (!ICSendMessage(hic, info->querymsg, (DWORD_PTR)info->lpbiIn, (DWORD_PTR)info->lpbiOut))
 515             return hic;
 516         ICClose(hic);
 517     }
 518     return 0;
 519 }
 520
 521 static BOOL ICLocate_enum_handler(const char *drv, int nr, void *param)
 522 {
 523     driver_info_t *info = (driver_info_t *)param;
 524     info->fccHandler = mmioStringToFOURCCA(drv + 5, 0);
 525     info->hic = try_driver(info);
 526     return info->hic != 0;
 527 }
 528
 529 /***********************************************************************
 530  *              ICLocate                        [MSVFW32.@]
 531  */
 532 HIC VFWAPI ICLocate(DWORD fccType, DWORD fccHandler, LPBITMAPINFOHEADER lpbiIn,
 533                     LPBITMAPINFOHEADER lpbiOut, WORD wMode)
 534 {
 535     driver_info_t info;
 536
 537     TRACE("(%s,%s,%p,%p,0x%04x)\n",
 538           wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
 539
 540     info.fccType = fccType;
 541     info.fccHandler = fccHandler;
 542     info.lpbiIn = lpbiIn;
 543     info.lpbiOut = lpbiOut;
 544     info.wMode = wMode;
 545
 546     switch (wMode)
 547     {
 548     case ICMODE_FASTCOMPRESS:
 549     case ICMODE_COMPRESS:
 550         info.querymsg = ICM_COMPRESS_QUERY;
 551         break;
 552     case ICMODE_FASTDECOMPRESS:
 553     case ICMODE_DECOMPRESS:
 554         info.querymsg = ICM_DECOMPRESS_QUERY;
 555         break;
 556     case ICMODE_DRAW:
 557         info.querymsg = ICM_DRAW_QUERY;
 558         break;
 559     default:
 560         WARN("Unknown mode (%d)\n", wMode);
 561         return 0;
 562     }
 563
 564     /* Easy case: handler/type match, we just fire a query and return */
 565     info.hic = try_driver(&info);
 566     /* If it didn't work, try each driver in turn. 32 bit codecs only. */
 567     /* FIXME: Move this to an init routine? */
 568     if (!info.hic) enum_drivers(fccType, ICLocate_enum_handler, &info);
 569
 570     if (info.hic)
 571     {
 572         TRACE("=> %p\n", info.hic);
 573         return info.hic;
 574     }
 575
 576     if (fccType == streamtypeVIDEO)
 577         return ICLocate(ICTYPE_VIDEO, fccHandler, lpbiIn, lpbiOut, wMode);
 578
 579     WARN("(%s,%s,%p,%p,0x%04x) not found!\n",
 580          wine_dbgstr_fcc(fccType), wine_dbgstr_fcc(fccHandler), lpbiIn, lpbiOut, wMode);
 581     return 0;
 582 }
 583
 584 /***********************************************************************
 585  *              ICGetDisplayFormat                      [MSVFW32.@]
 586  */
 587 HIC VFWAPI ICGetDisplayFormat(
 588         HIC hic,LPBITMAPINFOHEADER lpbiIn,LPBITMAPINFOHEADER lpbiOut,
 589         INT depth,INT dx,INT dy)
 590 {
 591         HIC     tmphic = hic;
 592
 593         TRACE("(%p,%p,%p,%d,%d,%d)!\n",hic,lpbiIn,lpbiOut,depth,dx,dy);
 594
 595         if (!tmphic) {
 596                 tmphic=ICLocate(ICTYPE_VIDEO,0,lpbiIn,NULL,ICMODE_DECOMPRESS);
 597                 if (!tmphic)
 598                         return tmphic;
 599         }
 600         if ((dy == lpbiIn->biHeight) && (dx == lpbiIn->biWidth))
 601                 dy = dx = 0; /* no resize needed */
 602
 603         /* Can we decompress it ? */
 604         if (ICDecompressQuery(tmphic,lpbiIn,NULL) != 0)
 605                 goto errout; /* no, sorry */
 606
 607         ICDecompressGetFormat(tmphic,lpbiIn,lpbiOut);
 608
 609         if (lpbiOut->biCompression != 0) {
 610            FIXME("Ooch, how come decompressor outputs compressed data (%ld)??\n",
 611                          lpbiOut->biCompression);
 612         }
 613         if (lpbiOut->biSize < sizeof(*lpbiOut)) {
 614            FIXME("Ooch, size of output BIH is too small (%ld)\n",
 615                          lpbiOut->biSize);
 616            lpbiOut->biSize = sizeof(*lpbiOut);
 617         }
 618         if (!depth) {
 619                 HDC     hdc;
 620
 621                 hdc = GetDC(0);
 622                 depth = GetDeviceCaps(hdc,BITSPIXEL)*GetDeviceCaps(hdc,PLANES);
 623                 ReleaseDC(0,hdc);
 624                 if (depth==15)  depth = 16;
 625                 if (depth<8)    depth =  8;
 626         }
 627         if (lpbiIn->biBitCount == 8)
 628                 depth = 8;
 629
 630         TRACE("=> %p\n", tmphic);
 631         return tmphic;
 632 errout:
 633         if (hic!=tmphic)
 634                 ICClose(tmphic);
 635
 636         TRACE("=> 0\n");
 637         return 0;
 638 }
 639
 640 /***********************************************************************
 641  *              ICCompress                      [MSVFW32.@]
 642  */
 643 DWORD VFWAPIV
 644 ICCompress(
 645         HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiOutput,LPVOID lpData,
 646         LPBITMAPINFOHEADER lpbiInput,LPVOID lpBits,LPDWORD lpckid,
 647         LPDWORD lpdwFlags,LONG lFrameNum,DWORD dwFrameSize,DWORD dwQuality,
 648         LPBITMAPINFOHEADER lpbiPrev,LPVOID lpPrev)
 649 {
 650         ICCOMPRESS      iccmp;
 651
 652         TRACE("(%p,%ld,%p,%p,%p,%p,...)\n",hic,dwFlags,lpbiOutput,lpData,lpbiInput,lpBits);
 653
 654         iccmp.dwFlags           = dwFlags;
 655
 656         iccmp.lpbiOutput        = lpbiOutput;
 657         iccmp.lpOutput          = lpData;
 658         iccmp.lpbiInput         = lpbiInput;
 659         iccmp.lpInput           = lpBits;
 660
 661         iccmp.lpckid            = lpckid;
 662         iccmp.lpdwFlags         = lpdwFlags;
 663         iccmp.lFrameNum         = lFrameNum;
 664         iccmp.dwFrameSize       = dwFrameSize;
 665         iccmp.dwQuality         = dwQuality;
 666         iccmp.lpbiPrev          = lpbiPrev;
 667         iccmp.lpPrev            = lpPrev;
 668         return ICSendMessage(hic,ICM_COMPRESS,(DWORD_PTR)&iccmp,sizeof(iccmp));
 669 }
 670
 671 /***********************************************************************
 672  *              ICDecompress                    [MSVFW32.@]
 673  */
 674 DWORD VFWAPIV  ICDecompress(HIC hic,DWORD dwFlags,LPBITMAPINFOHEADER lpbiFormat,
 675                                 LPVOID lpData,LPBITMAPINFOHEADER lpbi,LPVOID lpBits)
 676 {
 677         ICDECOMPRESS    icd;
 678         DWORD ret;
 679
 680         TRACE("(%p,%ld,%p,%p,%p,%p)\n",hic,dwFlags,lpbiFormat,lpData,lpbi,lpBits);
 681
 682         TRACE("lpBits[0] == %lx\n",((LPDWORD)lpBits)[0]);
 683
 684         icd.dwFlags     = dwFlags;
 685         icd.lpbiInput   = lpbiFormat;
 686         icd.lpInput     = lpData;
 687
 688         icd.lpbiOutput  = lpbi;
 689         icd.lpOutput    = lpBits;
 690         icd.ckid        = 0;
 691         ret = ICSendMessage(hic,ICM_DECOMPRESS,(DWORD_PTR)&icd,sizeof(ICDECOMPRESS));
 692
 693         TRACE("lpBits[0] == %lx\n",((LPDWORD)lpBits)[0]);
 694
 695         TRACE("-> %ld\n",ret);
 696
 697         return ret;
 698 }
 699
 700
 701 struct choose_compressor
 702 {
 703     UINT flags;
 704     LPCSTR title;
 705     COMPVARS cv;
 706 };
 707
 708 static BOOL enum_compressors(HWND list)
 709 {
 710     UINT id;
 711     ICINFO icinfo;
 712
 713     id = 0;
 714
 715     while (ICInfo(ICTYPE_VIDEO, id, &icinfo))
 716     {
 717         ICINFO *ic;
 718         DWORD idx;
 719         HIC hic;
 720
 721         hic = ICOpen(icinfo.fccType, icinfo.fccHandler, ICMODE_COMPRESS);
 722
 723         if (hic)
 724         {
 725             /* for unknown reason fccHandler reported by the driver
 726              * doesn't always work, use the one returned by ICInfo instead.
 727              */
 728             DWORD fccHandler = icinfo.fccHandler;
 729
 730             ICGetInfo(hic, &icinfo, sizeof(icinfo));
 731             icinfo.fccHandler = fccHandler;
 732             ICClose(hic);
 733
 734             idx = SendMessageW(list, CB_ADDSTRING, 0, (LPARAM)icinfo.szDescription);
 735
 736             ic = HeapAlloc(GetProcessHeap(), 0, sizeof(ICINFO));
 737             *ic = icinfo;
 738             SendMessageW(list, CB_SETITEMDATA, idx, (LPARAM)ic);
 739         }
 740         id++;
 741     }
 742
 743     return id != 0;
 744 }
 745
 746 static INT_PTR CALLBACK icm_choose_compressor_dlgproc(HWND hdlg, UINT msg, WPARAM wparam, LPARAM lparam)
 747 {
 748     switch (msg)
 749     {
 750     case WM_INITDIALOG:
 751     {
 752         WCHAR buf[128];
 753         struct choose_compressor *choose_comp = (struct choose_compressor *)lparam;
 754
 755         if (choose_comp->title)
 756             SetWindowTextA(hdlg, choose_comp->title);
 757
 758         LoadStringW(MSVFW32_hModule, IDS_FULLFRAMES, buf, 128);
 759         SendDlgItemMessageW(hdlg, IDC_COMP_LIST, CB_ADDSTRING, 0, (LPARAM)buf);
 760
 761         enum_compressors(GetDlgItem(hdlg, IDC_COMP_LIST));
 762
 763         SendDlgItemMessageW(hdlg, IDC_COMP_LIST, CB_SETCURSEL, 0, 0);
 764         SetFocus(GetDlgItem(hdlg, IDC_COMP_LIST));
 765
 766         SetWindowLongPtrW(hdlg, DWLP_USER, (ULONG_PTR)choose_comp);
 767         break;
 768     }
 769
 770     case WM_COMMAND:
 771         switch (LOWORD(wparam))
 772         {
 773         case IDOK:
 774         {
 775             HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
 776             INT cur_sel;
 777             ICINFO *ic;
 778
 779             cur_sel = SendMessageW(list, CB_GETCURSEL, 0, 0);
 780             ic = (ICINFO *)SendMessageW(list, CB_GETITEMDATA, cur_sel, 0);
 781             if (ic)
 782             {
 783                 struct choose_compressor *choose_comp = (struct choose_compressor *)GetWindowLongPtrW(hdlg, DWLP_USER);
 784
 785                 choose_comp->cv.hic = ICOpen(ic->fccType, ic->fccHandler, ICMODE_COMPRESS);
 786                 if (choose_comp->cv.hic)
 787                 {
 788                     choose_comp->cv.fccType = ic->fccType;
 789                     choose_comp->cv.fccHandler = ic->fccHandler;
 790                     /* FIXME: fill everything else */
 791                 }
 792             }
 793         }
 794         /* fall through */
 795         case IDCANCEL:
 796         {
 797             HWND list = GetDlgItem(hdlg, IDC_COMP_LIST);
 798             INT idx = 0;
 799
 800             while (1)
 801             {
 802                 LRESULT ret = SendMessageW(list, CB_GETITEMDATA, idx++, 0);
 803
 804                 if (!ret || ret == CB_ERR) break;
 805
 806                 HeapFree(GetProcessHeap(), 0, (void *)ret);
 807             }
 808
 809             EndDialog(hdlg, LOWORD(wparam) == IDOK);
 810             break;
 811         }
 812
 813         default:
 814             break;
 815         }
 816         break;
 817
 818     default:
 819         break;
 820     }
 821
 822     return FALSE;
 823 }
 824
 825 /***********************************************************************
 826  *              ICCompressorChoose   [MSVFW32.@]
 827  */
 828 BOOL VFWAPI ICCompressorChoose(HWND hwnd, UINT uiFlags, LPVOID pvIn,
 829                                LPVOID lpData, PCOMPVARS pc, LPSTR lpszTitle)
 830 {
 831     struct choose_compressor choose_comp;
 832     BOOL ret;
 833
 834     TRACE("(%p,%08x,%p,%p,%p,%s)\n", hwnd, uiFlags, pvIn, lpData, pc, lpszTitle);
 835
 836     if (!pc || pc->cbSize != sizeof(COMPVARS))
 837         return FALSE;
 838
 839     if (!(pc->dwFlags & ICMF_COMPVARS_VALID))
 840     {
 841         pc->dwFlags   = 0;
 842         pc->fccType   = pc->fccHandler = 0;
 843         pc->hic       = NULL;
 844         pc->lpbiOut   = NULL;
 845         pc->lpBitsOut = pc->lpBitsPrev = pc->lpState = NULL;
 846         pc->lQ        = ICQUALITY_DEFAULT;
 847         pc->lKey      = -1;
 848         pc->lDataRate = 300; /* kB */
 849         pc->lpState   = NULL;
 850         pc->cbState   = 0;
 851     }
 852     if (pc->fccType == 0)
 853         pc->fccType = ICTYPE_VIDEO;
 854
 855     choose_comp.flags = uiFlags;
 856     choose_comp.title = lpszTitle;
 857
 858     ret = DialogBoxParamW(MSVFW32_hModule, MAKEINTRESOURCEW(ICM_CHOOSE_COMPRESSOR), hwnd,
 859                           icm_choose_compressor_dlgproc, (LPARAM)&choose_comp);
 860
 861     if (ret)
 862     {
 863         *pc = choose_comp.cv;
 864         pc->dwFlags |= ICMF_COMPVARS_VALID;
 865     }
 866
 867     return ret;
 868 }
 869
 870
 871 /***********************************************************************
 872  *              ICCompressorFree   [MSVFW32.@]
 873  */
 874 void VFWAPI ICCompressorFree(PCOMPVARS pc)
 875 {
 876   TRACE("(%p)\n",pc);
 877
 878   if (pc != NULL && pc->cbSize == sizeof(COMPVARS)) {
 879     if (pc->hic != NULL) {
 880       ICClose(pc->hic);
 881       pc->hic = NULL;
 882     }
 883     if (pc->lpbiIn != NULL) {
 884       HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
 885       pc->lpbiIn = NULL;
 886     }
 887     if (pc->lpBitsOut != NULL) {
 888       HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
 889       pc->lpBitsOut = NULL;
 890     }
 891     if (pc->lpBitsPrev != NULL) {
 892       HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
 893       pc->lpBitsPrev = NULL;
 894     }
 895     if (pc->lpState != NULL) {
 896       HeapFree(GetProcessHeap(), 0, pc->lpState);
 897       pc->lpState = NULL;
 898     }
 899     pc->dwFlags = 0;
 900   }
 901 }
 902
 903
 904 /******************************************************************
 905  *              MSVIDEO_SendMessage
 906  *
 907  *
 908  */
 909 LRESULT MSVIDEO_SendMessage(WINE_HIC* whic, UINT msg, DWORD_PTR lParam1, DWORD_PTR lParam2)
 910 {
 911     LRESULT     ret;
 912
 913 #define XX(x) case x: TRACE("(%p,"#x",0x%08lx,0x%08lx)\n",whic,lParam1,lParam2); break;
 914
 915     switch (msg) {
 916         /* DRV_* */
 917         XX(DRV_LOAD);
 918         XX(DRV_ENABLE);
 919         XX(DRV_OPEN);
 920         XX(DRV_CLOSE);
 921         XX(DRV_DISABLE);
 922         XX(DRV_FREE);
 923         /* ICM_RESERVED+X */
 924         XX(ICM_ABOUT);
 925         XX(ICM_CONFIGURE);
 926         XX(ICM_GET);
 927         XX(ICM_GETINFO);
 928         XX(ICM_GETDEFAULTQUALITY);
 929         XX(ICM_GETQUALITY);
 930         XX(ICM_GETSTATE);
 931         XX(ICM_SETQUALITY);
 932         XX(ICM_SET);
 933         XX(ICM_SETSTATE);
 934         /* ICM_USER+X */
 935         XX(ICM_COMPRESS_FRAMES_INFO);
 936         XX(ICM_COMPRESS_GET_FORMAT);
 937         XX(ICM_COMPRESS_GET_SIZE);
 938         XX(ICM_COMPRESS_QUERY);
 939         XX(ICM_COMPRESS_BEGIN);
 940         XX(ICM_COMPRESS);
 941         XX(ICM_COMPRESS_END);
 942         XX(ICM_DECOMPRESS_GET_FORMAT);
 943         XX(ICM_DECOMPRESS_QUERY);
 944         XX(ICM_DECOMPRESS_BEGIN);
 945         XX(ICM_DECOMPRESS);
 946         XX(ICM_DECOMPRESS_END);
 947         XX(ICM_DECOMPRESS_SET_PALETTE);
 948         XX(ICM_DECOMPRESS_GET_PALETTE);
 949         XX(ICM_DRAW_QUERY);
 950         XX(ICM_DRAW_BEGIN);
 951         XX(ICM_DRAW_GET_PALETTE);
 952         XX(ICM_DRAW_START);
 953         XX(ICM_DRAW_STOP);
 954         XX(ICM_DRAW_END);
 955         XX(ICM_DRAW_GETTIME);
 956         XX(ICM_DRAW);
 957         XX(ICM_DRAW_WINDOW);
 958         XX(ICM_DRAW_SETTIME);
 959         XX(ICM_DRAW_REALIZE);
 960         XX(ICM_DRAW_FLUSH);
 961         XX(ICM_DRAW_RENDERBUFFER);
 962         XX(ICM_DRAW_START_PLAY);
 963         XX(ICM_DRAW_STOP_PLAY);
 964         XX(ICM_DRAW_SUGGESTFORMAT);
 965         XX(ICM_DRAW_CHANGEPALETTE);
 966         XX(ICM_GETBUFFERSWANTED);
 967         XX(ICM_GETDEFAULTKEYFRAMERATE);
 968         XX(ICM_DECOMPRESSEX_BEGIN);
 969         XX(ICM_DECOMPRESSEX_QUERY);
 970         XX(ICM_DECOMPRESSEX);
 971         XX(ICM_DECOMPRESSEX_END);
 972         XX(ICM_SET_STATUS_PROC);
 973     default:
 974         FIXME("(%p,0x%08lx,0x%08lx,0x%08lx) unknown message\n",whic,(DWORD)msg,lParam1,lParam2);
 975     }
 976
 977 #undef XX
 978
 979     if (whic->driverproc) {
 980         /* dwDriverId parameter is the value returned by the DRV_OPEN */
 981         ret = whic->driverproc(whic->driverId, whic->hdrv, msg, lParam1, lParam2);
 982     } else {
 983         ret = SendDriverMessage(whic->hdrv, msg, lParam1, lParam2);
 984     }
 985
 986     TRACE("     -> 0x%08lx\n", ret);
 987     return ret;
 988 }
 989
 990 /***********************************************************************
 991  *              ICSendMessage                   [MSVFW32.@]
 992  */
 993 LRESULT VFWAPI ICSendMessage(HIC hic, UINT msg, DWORD_PTR lParam1, DWORD_PTR lParam2)
 994 {
 995     WINE_HIC*   whic = MSVIDEO_GetHicPtr(hic);
 996
 997     if (!whic) return ICERR_BADHANDLE;
 998     return MSVIDEO_SendMessage(whic, msg, lParam1, lParam2);
 999 }
1000
1001 /***********************************************************************
1002  *              ICDrawBegin             [MSVFW32.@]
1003  */
1004 DWORD VFWAPIV ICDrawBegin(
1005         HIC                hic,     /* [in] */
1006         DWORD              dwFlags, /* [in] flags */
1007         HPALETTE           hpal,    /* [in] palette to draw with */
1008         HWND               hwnd,    /* [in] window to draw to */
1009         HDC                hdc,     /* [in] HDC to draw to */
1010         INT                xDst,    /* [in] destination rectangle */
1011         INT                yDst,    /* [in] */
1012         INT                dxDst,   /* [in] */
1013         INT                dyDst,   /* [in] */
1014         LPBITMAPINFOHEADER lpbi,    /* [in] format of frame to draw */
1015         INT                xSrc,    /* [in] source rectangle */
1016         INT                ySrc,    /* [in] */
1017         INT                dxSrc,   /* [in] */
1018         INT                dySrc,   /* [in] */
1019         DWORD              dwRate,  /* [in] frames/second = (dwRate/dwScale) */
1020         DWORD              dwScale) /* [in] */
1021 {
1022
1023         ICDRAWBEGIN     icdb;
1024
1025         TRACE("(%p,%ld,%p,%p,%p,%u,%u,%u,%u,%p,%u,%u,%u,%u,%ld,%ld)\n",
1026                   hic, dwFlags, hpal, hwnd, hdc, xDst, yDst, dxDst, dyDst,
1027                   lpbi, xSrc, ySrc, dxSrc, dySrc, dwRate, dwScale);
1028
1029         icdb.dwFlags = dwFlags;
1030         icdb.hpal = hpal;
1031         icdb.hwnd = hwnd;
1032         icdb.hdc = hdc;
1033         icdb.xDst = xDst;
1034         icdb.yDst = yDst;
1035         icdb.dxDst = dxDst;
1036         icdb.dyDst = dyDst;
1037         icdb.lpbi = lpbi;
1038         icdb.xSrc = xSrc;
1039         icdb.ySrc = ySrc;
1040         icdb.dxSrc = dxSrc;
1041         icdb.dySrc = dySrc;
1042         icdb.dwRate = dwRate;
1043         icdb.dwScale = dwScale;
1044         return ICSendMessage(hic,ICM_DRAW_BEGIN,(DWORD_PTR)&icdb,sizeof(icdb));
1045 }
1046
1047 /***********************************************************************
1048  *              ICDraw                  [MSVFW32.@]
1049  */
1050 DWORD VFWAPIV ICDraw(HIC hic, DWORD dwFlags, LPVOID lpFormat, LPVOID lpData, DWORD cbData, LONG lTime) {
1051         ICDRAW  icd;
1052
1053         TRACE("(%p,%ld,%p,%p,%ld,%ld)\n",hic,dwFlags,lpFormat,lpData,cbData,lTime);
1054
1055         icd.dwFlags = dwFlags;
1056         icd.lpFormat = lpFormat;
1057         icd.lpData = lpData;
1058         icd.cbData = cbData;
1059         icd.lTime = lTime;
1060
1061         return ICSendMessage(hic,ICM_DRAW,(DWORD_PTR)&icd,sizeof(icd));
1062 }
1063
1064 /***********************************************************************
1065  *              ICClose                 [MSVFW32.@]
1066  */
1067 LRESULT WINAPI ICClose(HIC hic)
1068 {
1069     WINE_HIC* whic = MSVIDEO_GetHicPtr(hic);
1070     WINE_HIC** p;
1071
1072     TRACE("(%p)\n",hic);
1073
1074     if (!whic) return ICERR_BADHANDLE;
1075
1076     if (whic->driverproc)
1077     {
1078         MSVIDEO_SendMessage(whic, DRV_CLOSE, 0, 0);
1079         MSVIDEO_SendMessage(whic, DRV_DISABLE, 0, 0);
1080         MSVIDEO_SendMessage(whic, DRV_FREE, 0, 0);
1081     }
1082     else
1083     {
1084         CloseDriver(whic->hdrv, 0, 0);
1085     }
1086
1087     /* remove whic from list */
1088     for (p = &MSVIDEO_FirstHic; *p != NULL; p = &((*p)->next))
1089     {
1090         if ((*p) == whic)
1091         {
1092             *p = whic->next;
1093             break;
1094         }
1095     }
1096
1097     HeapFree(GetProcessHeap(), 0, whic);
1098     return 0;
1099 }
1100
1101
1102
1103 /***********************************************************************
1104  *              ICImageCompress [MSVFW32.@]
1105  */
1106 HANDLE VFWAPI ICImageCompress(
1107         HIC hic, UINT uiFlags,
1108         LPBITMAPINFO lpbiIn, LPVOID lpBits,
1109         LPBITMAPINFO lpbiOut, LONG lQuality,
1110         LONG* plSize)
1111 {
1112         FIXME("(%p,%08x,%p,%p,%p,%ld,%p)\n",
1113                 hic, uiFlags, lpbiIn, lpBits, lpbiOut, lQuality, plSize);
1114
1115         return NULL;
1116 }
1117
1118 /***********************************************************************
1119  *              ICImageDecompress       [MSVFW32.@]
1120  */
1121
1122 HANDLE VFWAPI ICImageDecompress(
1123         HIC hic, UINT uiFlags, LPBITMAPINFO lpbiIn,
1124         LPVOID lpBits, LPBITMAPINFO lpbiOut)
1125 {
1126         HGLOBAL hMem = NULL;
1127         BYTE*   pMem = NULL;
1128         BOOL    bReleaseIC = FALSE;
1129         BYTE*   pHdr = NULL;
1130         ULONG   cbHdr = 0;
1131         BOOL    bSucceeded = FALSE;
1132         BOOL    bInDecompress = FALSE;
1133         DWORD   biSizeImage;
1134
1135         TRACE("(%p,%08x,%p,%p,%p)\n",
1136                 hic, uiFlags, lpbiIn, lpBits, lpbiOut);
1137
1138         if ( hic == NULL )
1139         {
1140                 hic = ICDecompressOpen( ICTYPE_VIDEO, 0, &lpbiIn->bmiHeader, (lpbiOut != NULL) ? &lpbiOut->bmiHeader : NULL );
1141                 if ( hic == NULL )
1142                 {
1143                         WARN("no handler\n" );
1144                         goto err;
1145                 }
1146                 bReleaseIC = TRUE;
1147         }
1148         if ( uiFlags != 0 )
1149         {
1150                 FIXME( "unknown flag %08x\n", uiFlags );
1151                 goto err;
1152         }
1153         if ( lpbiIn == NULL || lpBits == NULL )
1154         {
1155                 WARN("invalid argument\n");
1156                 goto err;
1157         }
1158
1159         if ( lpbiOut != NULL )
1160         {
1161                 if ( lpbiOut->bmiHeader.biSize != sizeof(BITMAPINFOHEADER) )
1162                         goto err;
1163                 cbHdr = sizeof(BITMAPINFOHEADER);
1164                 if ( lpbiOut->bmiHeader.biCompression == 3 )
1165                         cbHdr += sizeof(DWORD)*3;
1166                 else
1167                 if ( lpbiOut->bmiHeader.biBitCount <= 8 )
1168                 {
1169                         if ( lpbiOut->bmiHeader.biClrUsed == 0 )
1170                                 cbHdr += sizeof(RGBQUAD) * (1<<lpbiOut->bmiHeader.biBitCount);
1171                         else
1172                                 cbHdr += sizeof(RGBQUAD) * lpbiOut->bmiHeader.biClrUsed;
1173                 }
1174         }
1175         else
1176         {
1177                 TRACE( "get format\n" );
1178
1179                 cbHdr = ICDecompressGetFormatSize(hic,lpbiIn);
1180                 if ( cbHdr < sizeof(BITMAPINFOHEADER) )
1181                         goto err;
1182                 pHdr = HeapAlloc(GetProcessHeap(),0,cbHdr+sizeof(RGBQUAD)*256);
1183                 if ( pHdr == NULL )
1184                         goto err;
1185                 ZeroMemory( pHdr, cbHdr+sizeof(RGBQUAD)*256 );
1186                 if ( ICDecompressGetFormat( hic, lpbiIn, (BITMAPINFO*)pHdr ) != ICERR_OK )
1187                         goto err;
1188                 lpbiOut = (BITMAPINFO*)pHdr;
1189                 if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
1190                          ICDecompressGetPalette( hic, lpbiIn, lpbiOut ) != ICERR_OK &&
1191                          lpbiIn->bmiHeader.biBitCount == lpbiOut->bmiHeader.biBitCount )
1192                 {
1193                         if ( lpbiIn->bmiHeader.biClrUsed == 0 )
1194                                 memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*(1<<lpbiOut->bmiHeader.biBitCount) );
1195                         else
1196                                 memcpy( lpbiOut->bmiColors, lpbiIn->bmiColors, sizeof(RGBQUAD)*lpbiIn->bmiHeader.biClrUsed );
1197                 }
1198                 if ( lpbiOut->bmiHeader.biBitCount <= 8 &&
1199                          lpbiOut->bmiHeader.biClrUsed == 0 )
1200                         lpbiOut->bmiHeader.biClrUsed = 1<<lpbiOut->bmiHeader.biBitCount;
1201
1202                 lpbiOut->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
1203                 cbHdr = sizeof(BITMAPINFOHEADER) + sizeof(RGBQUAD)*lpbiOut->bmiHeader.biClrUsed;
1204         }
1205
1206         biSizeImage = lpbiOut->bmiHeader.biSizeImage;
1207         if ( biSizeImage == 0 )
1208                 biSizeImage = ((((lpbiOut->bmiHeader.biWidth * lpbiOut->bmiHeader.biBitCount + 7) >> 3) + 3) & (~3)) * abs(lpbiOut->bmiHeader.biHeight);
1209
1210         TRACE( "call ICDecompressBegin\n" );
1211
1212         if ( ICDecompressBegin( hic, lpbiIn, lpbiOut ) != ICERR_OK )
1213                 goto err;
1214         bInDecompress = TRUE;
1215
1216         TRACE( "cbHdr %ld, biSizeImage %ld\n", cbHdr, biSizeImage );
1217
1218         hMem = GlobalAlloc( GMEM_MOVEABLE|GMEM_ZEROINIT, cbHdr + biSizeImage );
1219         if ( hMem == NULL )
1220         {
1221                 WARN( "out of memory\n" );
1222                 goto err;
1223         }
1224         pMem = (BYTE*)GlobalLock( hMem );
1225         if ( pMem == NULL )
1226                 goto err;
1227         memcpy( pMem, lpbiOut, cbHdr );
1228
1229         TRACE( "call ICDecompress\n" );
1230         if ( ICDecompress( hic, 0, &lpbiIn->bmiHeader, lpBits, &lpbiOut->bmiHeader, pMem+cbHdr ) != ICERR_OK )
1231                 goto err;
1232
1233         bSucceeded = TRUE;
1234 err:
1235         if ( bInDecompress )
1236                 ICDecompressEnd( hic );
1237         if ( bReleaseIC )
1238                 ICClose(hic);
1239         HeapFree(GetProcessHeap(),0,pHdr);
1240         if ( pMem != NULL )
1241                 GlobalUnlock( hMem );
1242         if ( !bSucceeded && hMem != NULL )
1243         {
1244                 GlobalFree(hMem); hMem = NULL;
1245         }
1246
1247         return (HANDLE)hMem;
1248 }
1249
1250 /***********************************************************************
1251  *      ICSeqCompressFrame   [MSVFW32.@]
1252  */
1253 LPVOID VFWAPI ICSeqCompressFrame(PCOMPVARS pc, UINT uiFlags, LPVOID lpBits, BOOL *pfKey, LONG *plSize)
1254 {
1255     ICCOMPRESS* icComp = (ICCOMPRESS *)pc->lpState;
1256     DWORD ret;
1257     TRACE("(%p, 0x%08x, %p, %p, %p)\n", pc, uiFlags, lpBits, pfKey, plSize);
1258
1259     if (pc->cbState != sizeof(ICCOMPRESS))
1260     {
1261        ERR("Invalid cbState (%li should be %i)\n", pc->cbState, sizeof(ICCOMPRESS));
1262        return NULL;
1263     }
1264
1265     if (!pc->lKeyCount++)
1266        icComp->dwFlags = ICCOMPRESS_KEYFRAME;
1267     else
1268     {
1269         if (pc->lKey && pc->lKeyCount == (pc->lKey - 1))
1270         /* No key frames if pc->lKey == 0 */
1271            pc->lKeyCount = 0;
1272         icComp->dwFlags = 0;
1273     }
1274
1275     icComp->lpInput = lpBits;
1276     icComp->lFrameNum = pc->lFrame++;
1277     icComp->lpOutput = pc->lpBitsOut;
1278     icComp->lpPrev = pc->lpBitsPrev;
1279     ret = ICSendMessage(pc->hic, ICM_COMPRESS, (DWORD_PTR)icComp, sizeof(icComp));
1280
1281     if (icComp->dwFlags & AVIIF_KEYFRAME)
1282     {
1283        pc->lKeyCount = 1;
1284        *pfKey = TRUE;
1285        TRACE("Key frame\n");
1286     }
1287     else
1288        *pfKey = FALSE;
1289
1290     *plSize = icComp->lpbiOutput->biSizeImage;
1291     TRACE(" -- 0x%08lx\n", ret);
1292     if (ret == ICERR_OK)
1293     {
1294        LPVOID oldprev, oldout;
1295 /* We shift Prev and Out, so we don't have to allocate and release memory */
1296        oldprev = pc->lpBitsPrev;
1297        oldout = pc->lpBitsOut;
1298        pc->lpBitsPrev = oldout;
1299        pc->lpBitsOut = oldprev;
1300
1301        TRACE("returning: %p\n", icComp->lpOutput);
1302        return icComp->lpOutput;
1303     }
1304     return NULL;
1305 }
1306
1307 /***********************************************************************
1308  *      ICSeqCompressFrameEnd   [MSVFW32.@]
1309  */
1310 void VFWAPI ICSeqCompressFrameEnd(PCOMPVARS pc)
1311 {
1312     DWORD ret;
1313     TRACE("(%p)\n", pc);
1314     ret = ICSendMessage(pc->hic, ICM_COMPRESS_END, 0, 0);
1315     TRACE(" -- %lx", ret);
1316     if (pc->lpbiIn)
1317        HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1318     if (pc->lpBitsPrev)
1319        HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1320     if (pc->lpBitsOut)
1321        HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
1322     if (pc->lpState)
1323        HeapFree(GetProcessHeap(), 0, pc->lpState);
1324     pc->lpbiIn = pc->lpBitsPrev = pc->lpBitsOut = pc->lpState = NULL;
1325 }
1326
1327 /***********************************************************************
1328  *      ICSeqCompressFrameStart [MSVFW32.@]
1329  */
1330 BOOL VFWAPI ICSeqCompressFrameStart(PCOMPVARS pc, LPBITMAPINFO lpbiIn)
1331 {
1332     /* I'm ignoring bmiColors as I don't know what to do with it,
1333      * it doesn't appear to be used though
1334      */
1335     DWORD ret;
1336     pc->lpbiIn = HeapAlloc(GetProcessHeap(), 0, sizeof(BITMAPINFO));
1337     if (!pc->lpbiIn)
1338         return FALSE;
1339
1340     memcpy(pc->lpbiIn, lpbiIn, sizeof(BITMAPINFO));
1341     pc->lpBitsPrev = HeapAlloc(GetProcessHeap(), 0, pc->lpbiIn->bmiHeader.biSizeImage);
1342     if (!pc->lpBitsPrev)
1343     {
1344         HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1345         return FALSE;
1346     }
1347
1348     pc->lpState = HeapAlloc(GetProcessHeap(), 0, sizeof(ICCOMPRESS));
1349     if (!pc->lpState)
1350     {
1351        HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1352        HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1353        return FALSE;
1354     }
1355     pc->cbState = sizeof(ICCOMPRESS);
1356
1357     pc->lpBitsOut = HeapAlloc(GetProcessHeap(), 0, pc->lpbiOut->bmiHeader.biSizeImage);
1358     if (!pc->lpBitsOut)
1359     {
1360        HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1361        HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1362        HeapFree(GetProcessHeap(), 0, pc->lpState);
1363        return FALSE;
1364     }
1365     TRACE("Compvars:\n"
1366           "\tpc:\n"
1367           "\tsize: %li\n"
1368           "\tflags: %li\n"
1369           "\thic: %p\n"
1370           "\ttype: %lx\n"
1371           "\thandler: %lx\n"
1372           "\tin/out: %p/%p\n"
1373           "key/data/quality: %li/%li/%li\n",
1374              pc->cbSize, pc->dwFlags, pc->hic, pc->fccType, pc->fccHandler,
1375              pc->lpbiIn, pc->lpbiOut, pc->lKey, pc->lDataRate, pc->lQ);
1376
1377     ret = ICSendMessage(pc->hic, ICM_COMPRESS_BEGIN, (DWORD_PTR)pc->lpbiIn, (DWORD_PTR)pc->lpbiOut);
1378     TRACE(" -- %lx\n", ret);
1379     if (ret == ICERR_OK)
1380     {
1381        ICCOMPRESS* icComp = (ICCOMPRESS *)pc->lpState;
1382        /* Initialise some variables */
1383        pc->lFrame = 0; pc->lKeyCount = 0;
1384
1385        icComp->lpbiOutput = &pc->lpbiOut->bmiHeader;
1386        icComp->lpbiInput = &pc->lpbiIn->bmiHeader;
1387        icComp->lpckid = NULL;
1388        icComp->dwFrameSize = 0;
1389        icComp->dwQuality = pc->lQ;
1390        icComp->lpbiPrev = &pc->lpbiIn->bmiHeader;
1391        return TRUE;
1392     }
1393     HeapFree(GetProcessHeap(), 0, pc->lpbiIn);
1394     HeapFree(GetProcessHeap(), 0, pc->lpBitsPrev);
1395     HeapFree(GetProcessHeap(), 0, pc->lpState);
1396     HeapFree(GetProcessHeap(), 0, pc->lpBitsOut);
1397     pc->lpBitsPrev = pc->lpbiIn = pc->lpState = pc->lpBitsOut = NULL;
1398     return FALSE;
1399 }
1400
1401 /***********************************************************************
1402  *      GetFileNamePreview   [MSVFW32.@]
1403  */
1404 static BOOL GetFileNamePreview(LPVOID lpofn,BOOL bSave,BOOL bUnicode)
1405 {
1406   CHAR    szFunctionName[20];
1407   BOOL    (*fnGetFileName)(LPVOID);
1408   HMODULE hComdlg32;
1409   BOOL    ret;
1410
1411   FIXME("(%p,%d,%d), semi-stub!\n",lpofn,bSave,bUnicode);
1412
1413   lstrcpyA(szFunctionName, (bSave ? "GetSaveFileName" : "GetOpenFileName"));
1414   lstrcatA(szFunctionName, (bUnicode ? "W" : "A"));
1415
1416   hComdlg32 = LoadLibraryA("COMDLG32.DLL");
1417   if (hComdlg32 == NULL)
1418     return FALSE;
1419
1420   fnGetFileName = (LPVOID)GetProcAddress(hComdlg32, szFunctionName);
1421   if (fnGetFileName == NULL)
1422     return FALSE;
1423
1424   /* FIXME: need to add OFN_ENABLEHOOK and our own handler */
1425   ret = fnGetFileName(lpofn);
1426
1427   FreeLibrary(hComdlg32);
1428   return ret;
1429 }
1430
1431 /***********************************************************************
1432  *              GetOpenFileNamePreviewA [MSVFW32.@]
1433  */
1434 BOOL WINAPI GetOpenFileNamePreviewA(LPOPENFILENAMEA lpofn)
1435 {
1436   FIXME("(%p), semi-stub!\n", lpofn);
1437
1438   return GetFileNamePreview(lpofn, FALSE, FALSE);
1439 }
1440
1441 /***********************************************************************
1442  *              GetOpenFileNamePreviewW [MSVFW32.@]
1443  */
1444 BOOL WINAPI GetOpenFileNamePreviewW(LPOPENFILENAMEW lpofn)
1445 {
1446   FIXME("(%p), semi-stub!\n", lpofn);
1447
1448   return GetFileNamePreview(lpofn, FALSE, TRUE);
1449 }
1450
1451 /***********************************************************************
1452  *              GetSaveFileNamePreviewA [MSVFW32.@]
1453  */
1454 BOOL WINAPI GetSaveFileNamePreviewA(LPOPENFILENAMEA lpofn)
1455 {
1456   FIXME("(%p), semi-stub!\n", lpofn);
1457
1458   return GetFileNamePreview(lpofn, TRUE, FALSE);
1459 }
1460
1461 /***********************************************************************
1462  *              GetSaveFileNamePreviewW [MSVFW32.@]
1463  */
1464 BOOL WINAPI GetSaveFileNamePreviewW(LPOPENFILENAMEW lpofn)
1465 {
1466   FIXME("(%p), semi-stub!\n", lpofn);
1467
1468   return GetFileNamePreview(lpofn, TRUE, TRUE);
1469 }