dlls/msdmo/dmoreg.c

   1 /*
   2  * Copyright (C) 2003 Michael Günnewig
   3  * Copyright (C) 2003 CodeWeavers Inc. (Ulrich Czekalla)
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #define COM_NO_WINDOWS_H
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winuser.h"
  26 #include "winerror.h"
  27 #include "winreg.h"
  28 #include "objbase.h"
  29 #include "wine/unicode.h"
  30 #include "wine/debug.h"
  31 #include "initguid.h"
  32 #include "dmo.h"
  33
  34 WINE_DEFAULT_DEBUG_CHANNEL(msdmo);
  35
  36
  37 static const WCHAR szDMORootKey[] =
  38 {
  39     'D','i','r','e','c','t','S','h','o','w','\\',
  40     'M','e','d','i','a','O','b','j','e','c','t','s',0
  41 };
  42
  43 static const WCHAR szDMOInputType[] =
  44 {
  45     'I','n','p','u','t','T','y','p','e','s',0
  46 };
  47
  48 static const WCHAR szDMOOutputType[] =
  49 {
  50     'O','u','t','p','u','t','T','y','p','e','s',0
  51 };
  52
  53 static const WCHAR szDMOKeyed[] =
  54 {
  55     'K','e','y','e','d',0
  56 };
  57
  58 static const WCHAR szDMOCategories[] =
  59 {
  60     'C','a','t','e','g','o','r','i','e','s',0
  61 };
  62
  63 static const WCHAR szGUIDFmt[] =
  64 {
  65     '%','0','8','X','-','%','0','4','X','-','%','0','4','X','-','%','0',
  66     '2','X','%','0','2','X','-','%','0','2','X','%','0','2','X','%','0','2',
  67     'X','%','0','2','X','%','0','2','X','%','0','2','X',0
  68 };
  69
  70 static const WCHAR szCat3Fmt[] =
  71 {
  72     '%','s','\\','%','s','\\','%','s',0
  73 };
  74
  75 static const WCHAR szCat2Fmt[] =
  76 {
  77     '%','s','\\','%','s',0
  78 };
  79
  80 typedef struct
  81 {
  82     const IEnumDMOVtbl         *lpVtbl;
  83     LONG                        ref;
  84     DWORD                       index;
  85     const GUID*                 guidCategory;
  86     DWORD                       dwFlags;
  87     DWORD                       cInTypes;
  88     DMO_PARTIAL_MEDIATYPE       *pInTypes;
  89     DWORD                       cOutTypes;
  90     DMO_PARTIAL_MEDIATYPE       *pOutTypes;
  91     HKEY                        hkey;
  92 } IEnumDMOImpl;
  93
  94 static const IEnumDMOVtbl edmovt;
  95
  96 static LPWSTR GUIDToString(LPWSTR lpwstr, REFGUID lpcguid)
  97 {
  98     wsprintfW(lpwstr, szGUIDFmt, lpcguid->Data1, lpcguid->Data2,
  99         lpcguid->Data3, lpcguid->Data4[0], lpcguid->Data4[1],
 100         lpcguid->Data4[2], lpcguid->Data4[3], lpcguid->Data4[4],
 101         lpcguid->Data4[5], lpcguid->Data4[6], lpcguid->Data4[7]);
 102
 103     return lpwstr;
 104 }
 105
 106 static BOOL IsMediaTypeEqual(DMO_PARTIAL_MEDIATYPE* mt1, DMO_PARTIAL_MEDIATYPE* mt2)
 107 {
 108
 109     return (IsEqualCLSID(&mt1->type, &mt2->type) ||
 110             IsEqualCLSID(&mt2->type, &GUID_NULL) ||
 111             IsEqualCLSID(&mt1->type, &GUID_NULL)) &&
 112             (IsEqualCLSID(&mt1->subtype, &mt2->subtype) ||
 113             IsEqualCLSID(&mt2->subtype, &GUID_NULL) ||
 114             IsEqualCLSID(&mt1->subtype, &GUID_NULL));
 115 }
 116
 117 /***************************************************************
 118  * DMORegister
 119  *
 120  * Register a DirectX Media Object.
 121  */
 122 HRESULT WINAPI DMORegister(
 123    LPCWSTR szName,
 124    REFCLSID clsidDMO,
 125    REFGUID guidCategory,
 126    DWORD dwFlags,
 127    DWORD cInTypes,
 128    const DMO_PARTIAL_MEDIATYPE *pInTypes,
 129    DWORD cOutTypes,
 130    const DMO_PARTIAL_MEDIATYPE *pOutTypes
 131 )
 132 {
 133     WCHAR szguid[64];
 134     HRESULT hres;
 135     HKEY hrkey = 0;
 136     HKEY hkey = 0;
 137     HKEY hckey = 0;
 138     HKEY hclskey = 0;
 139
 140     TRACE("%s\n", debugstr_w(szName));
 141
 142     hres = RegOpenKeyExW(HKEY_CLASSES_ROOT, szDMORootKey, 0, KEY_WRITE, &hrkey);
 143     if (ERROR_SUCCESS != hres)
 144         goto lend;
 145
 146     /* Create clsidDMO key under MediaObjects */
 147     hres = RegCreateKeyExW(hrkey, GUIDToString(szguid, clsidDMO), 0, NULL,
 148         REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hkey, NULL);
 149     if (ERROR_SUCCESS != hres)
 150         goto lend;
 151
 152     /* Set default Name value */
 153     hres = RegSetValueExW(hkey, NULL, 0, REG_SZ, (const BYTE*) szName,
 154         (strlenW(szName) + 1)) * sizeof(WCHAR);
 155     /* Set InputTypes */
 156     hres = RegSetValueExW(hkey, szDMOInputType, 0, REG_BINARY,
 157         (const BYTE*) pInTypes, cInTypes * sizeof(DMO_PARTIAL_MEDIATYPE));
 158     /* Set OutputTypes */
 159     hres = RegSetValueExW(hkey, szDMOOutputType, 0, REG_BINARY,
 160         (const BYTE*) pOutTypes, cOutTypes * sizeof(DMO_PARTIAL_MEDIATYPE));
 161
 162     if (dwFlags & DMO_REGISTERF_IS_KEYED)
 163     {
 164         /* Create Keyed key */
 165         hres = RegCreateKeyExW(hkey, szDMOKeyed, 0, NULL,
 166             REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hckey, NULL);
 167         if (ERROR_SUCCESS != hres)
 168             goto lend;
 169         RegCloseKey(hckey);
 170     }
 171
 172     /* Register the category */
 173     hres = RegOpenKeyExW(hrkey, szDMOCategories, 0, KEY_WRITE, &hckey);
 174     if (ERROR_SUCCESS != hres)
 175         goto lend;
 176
 177     RegCloseKey(hkey);
 178
 179     hres = RegOpenKeyExW(hckey, GUIDToString(szguid, guidCategory), 0, KEY_WRITE, &hkey);
 180     if (ERROR_SUCCESS != hres)
 181         goto lend;
 182     hres = RegCreateKeyExW(hkey, GUIDToString(szguid, clsidDMO), 0, NULL,
 183         REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hclskey, NULL);
 184     if (ERROR_SUCCESS != hres)
 185         goto lend;
 186
 187 lend:
 188     if (hkey)
 189         RegCloseKey(hkey);
 190     if (hckey)
 191         RegCloseKey(hckey);
 192     if (hclskey)
 193         RegCloseKey(hclskey);
 194     if (hrkey)
 195         RegCloseKey(hrkey);
 196
 197     TRACE(" hresult=0x%08lx\n", hres);
 198     return hres;
 199 }
 200
 201
 202 /***************************************************************
 203  * DMOUnregister
 204  *
 205  * Unregister a DirectX Media Object.
 206  */
 207 HRESULT WINAPI DMOUnregister(REFCLSID clsidDMO, REFGUID guidCategory)
 208 {
 209     HRESULT hres;
 210     WCHAR szguid[64];
 211     HKEY hrkey = 0;
 212     HKEY hckey = 0;
 213
 214     GUIDToString(szguid, clsidDMO);
 215
 216     TRACE("%s %p\n", debugstr_w(szguid), guidCategory);
 217
 218     hres = RegOpenKeyExW(HKEY_CLASSES_ROOT, szDMORootKey, 0, KEY_WRITE, &hrkey);
 219     if (ERROR_SUCCESS != hres)
 220         goto lend;
 221
 222     hres = RegDeleteKeyW(hrkey, szguid);
 223     if (ERROR_SUCCESS != hres)
 224         goto lend;
 225
 226     hres = RegOpenKeyExW(hrkey, szDMOCategories, 0, KEY_WRITE, &hckey);
 227     if (ERROR_SUCCESS != hres)
 228         goto lend;
 229
 230     hres = RegDeleteKeyW(hckey, szguid);
 231     if (ERROR_SUCCESS != hres)
 232         goto lend;
 233
 234 lend:
 235     if (hckey)
 236         RegCloseKey(hckey);
 237     if (hrkey)
 238         RegCloseKey(hrkey);
 239
 240     return hres;
 241 }
 242
 243
 244 /***************************************************************
 245  * DMOGetName
 246  *
 247  * Get DMP Name from the registry
 248  */
 249 HRESULT WINAPI DMOGetName(REFCLSID clsidDMO, WCHAR* szName)
 250 {
 251     WCHAR szguid[64];
 252     HRESULT hres;
 253     HKEY hrkey = 0;
 254     HKEY hkey = 0;
 255     DWORD count;
 256
 257     TRACE("%s\n", debugstr_guid(clsidDMO));
 258
 259     hres = RegOpenKeyExW(HKEY_CLASSES_ROOT, szDMORootKey,
 260         0, KEY_READ, &hrkey);
 261     if (ERROR_SUCCESS != hres)
 262         goto lend;
 263
 264     hres = RegOpenKeyExW(hrkey, GUIDToString(szguid, clsidDMO),
 265         0, KEY_READ, &hkey);
 266     if (ERROR_SUCCESS != hres)
 267         goto lend;
 268
 269     count = 80 * sizeof(WCHAR); /* 80 by API definition */
 270     hres = RegQueryValueExW(hkey, NULL, NULL, NULL,
 271         (LPBYTE) szName, &count);
 272
 273     TRACE(" szName=%s\n", debugstr_w(szName));
 274 lend:
 275     if (hkey)
 276         RegCloseKey(hrkey);
 277     if (hkey)
 278         RegCloseKey(hkey);
 279
 280     return hres;
 281 }
 282
 283
 284 /**************************************************************************
 285 *   IEnumDMO_Destructor
 286 */
 287 static BOOL IEnumDMO_Destructor(IEnumDMO* iface)
 288 {
 289     IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
 290
 291     TRACE("%p\n", This);
 292
 293     if (This->hkey)
 294         RegCloseKey(This->hkey);
 295
 296     HeapFree(GetProcessHeap(), 0, This->pInTypes);
 297     HeapFree(GetProcessHeap(), 0, This->pOutTypes);
 298
 299     return TRUE;
 300 }
 301
 302
 303 /**************************************************************************
 304  *  IEnumDMO_Constructor
 305  */
 306 IEnumDMO * IEnumDMO_Constructor(
 307     REFGUID guidCategory,
 308     DWORD dwFlags,
 309     DWORD cInTypes,
 310     const DMO_PARTIAL_MEDIATYPE *pInTypes,
 311     DWORD cOutTypes,
 312     const DMO_PARTIAL_MEDIATYPE *pOutTypes)
 313 {
 314     UINT size;
 315     IEnumDMOImpl* lpedmo;
 316     BOOL ret = FALSE;
 317
 318     lpedmo = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IEnumDMOImpl));
 319
 320     if (lpedmo)
 321     {
 322         lpedmo->ref = 1;
 323         lpedmo->lpVtbl = &edmovt;
 324         lpedmo->index = -1;
 325         lpedmo->guidCategory = guidCategory;
 326         lpedmo->dwFlags = dwFlags;
 327
 328         size = cInTypes * sizeof(DMO_PARTIAL_MEDIATYPE);
 329         lpedmo->pInTypes = HeapAlloc(GetProcessHeap(), 0, size);
 330         if (!lpedmo->pInTypes)
 331             goto lerr;
 332         memcpy(lpedmo->pInTypes, pInTypes, size);
 333         lpedmo->cInTypes = cInTypes;
 334
 335         size = cOutTypes * sizeof(DMO_PARTIAL_MEDIATYPE);
 336         lpedmo->pOutTypes = HeapAlloc(GetProcessHeap(), 0, size);
 337         if (!lpedmo->pOutTypes)
 338             goto lerr;
 339         memcpy(lpedmo->pOutTypes, pOutTypes, size);
 340         lpedmo->cOutTypes = cOutTypes;
 341
 342         /* If not filtering by category enum from media objects root */
 343         if (IsEqualGUID(guidCategory, &GUID_NULL))
 344         {
 345             if (ERROR_SUCCESS == RegOpenKeyExW(HKEY_CLASSES_ROOT, szDMORootKey,
 346                 0, KEY_READ, &lpedmo->hkey))
 347                 ret = TRUE;
 348         }
 349         else
 350         {
 351             WCHAR szguid[64];
 352             WCHAR szKey[MAX_PATH];
 353
 354             wsprintfW(szKey, szCat3Fmt, szDMORootKey, szDMOCategories,
 355                 GUIDToString(szguid, guidCategory));
 356             if (ERROR_SUCCESS == RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey,
 357                 0, KEY_READ, &lpedmo->hkey))
 358                 ret = TRUE;
 359         }
 360
 361 lerr:
 362         if(!ret)
 363         {
 364             IEnumDMO_Destructor((IEnumDMO*)lpedmo);
 365             HeapFree(GetProcessHeap(),0,lpedmo);
 366             lpedmo = NULL;
 367         }
 368     }
 369
 370     TRACE("returning %p\n", lpedmo);
 371
 372     return (IEnumDMO*)lpedmo;
 373 }
 374
 375
 376 /******************************************************************************
 377  * IEnumDMO_fnAddRef
 378  */
 379 static ULONG WINAPI IEnumDMO_fnAddRef(IEnumDMO * iface)
 380 {
 381     IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
 382     return InterlockedIncrement(&This->ref);
 383 }
 384
 385
 386 /**************************************************************************
 387  *  EnumDMO_QueryInterface
 388  */
 389 static HRESULT WINAPI IEnumDMO_fnQueryInterface(
 390     IEnumDMO* iface,
 391     REFIID riid,
 392     LPVOID *ppvObj)
 393 {
 394     IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
 395
 396     *ppvObj = NULL;
 397
 398     if(IsEqualIID(riid, &IID_IUnknown))
 399         *ppvObj = This;
 400     else if(IsEqualIID(riid, &IID_IEnumDMO))
 401         *ppvObj = (IEnumDMO*)This;
 402
 403     if(*ppvObj)
 404     {
 405         IEnumDMO_fnAddRef((IEnumDMO*)*ppvObj);
 406         return S_OK;
 407     }
 408
 409     return E_NOINTERFACE;
 410 }
 411
 412
 413 /******************************************************************************
 414  * IEnumDMO_fnRelease
 415  */
 416 static ULONG WINAPI IEnumDMO_fnRelease(IEnumDMO * iface)
 417 {
 418     IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
 419     ULONG refCount = InterlockedDecrement(&This->ref);
 420
 421     if (!refCount)
 422     {
 423         IEnumDMO_Destructor((IEnumDMO*)This);
 424         HeapFree(GetProcessHeap(),0,This);
 425     }
 426     return refCount;
 427 }
 428
 429
 430 /******************************************************************************
 431  * IEnumDMO_fnNext
 432  */
 433 static HRESULT WINAPI IEnumDMO_fnNext(
 434     IEnumDMO * iface,
 435     DWORD cItemsToFetch,
 436     CLSID * pCLSID,
 437     WCHAR ** Names,
 438     DWORD * pcItemsFetched)
 439 {
 440     FILETIME ft;
 441     HKEY hkey;
 442     WCHAR szNextKey[MAX_PATH];
 443     WCHAR szKey[MAX_PATH];
 444     WCHAR szValue[MAX_PATH];
 445     DWORD len;
 446     UINT count = 0;
 447     HRESULT hres = S_OK;
 448
 449     IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
 450
 451     TRACE("%ld\n", cItemsToFetch);
 452
 453     if (!pCLSID || !Names || !pcItemsFetched)
 454         return E_POINTER;
 455
 456     while (count < cItemsToFetch)
 457     {
 458         This->index++;
 459
 460         hres = RegEnumKeyExW(This->hkey, This->index, szNextKey, &len, NULL, NULL, NULL, &ft);
 461         if (hres != ERROR_SUCCESS)
 462             break;
 463
 464         TRACE("found %s\n", debugstr_w(szNextKey));
 465
 466         if (This->dwFlags & DMO_REGISTERF_IS_KEYED)
 467         {
 468             wsprintfW(szKey, szCat3Fmt, szDMORootKey, szNextKey, szDMOKeyed);
 469             hres = RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &hkey);
 470             if (ERROR_SUCCESS != hres)
 471                 continue;
 472             RegCloseKey(hkey);
 473         }
 474
 475         wsprintfW(szKey, szCat2Fmt, szDMORootKey, szNextKey);
 476         hres = RegOpenKeyExW(HKEY_CLASSES_ROOT, szKey, 0, KEY_READ, &hkey);
 477
 478         if (This->pInTypes)
 479         {
 480             UINT i, j;
 481             DWORD cInTypes;
 482             DMO_PARTIAL_MEDIATYPE* pInTypes;
 483
 484             len = MAX_PATH * sizeof(WCHAR);
 485             hres = RegQueryValueExW(hkey, szDMOInputType, NULL, NULL, (LPBYTE) szValue, &len);
 486             if (ERROR_SUCCESS != hres)
 487             {
 488                 RegCloseKey(hkey);
 489                 continue;
 490             }
 491
 492             cInTypes = len / sizeof(DMO_PARTIAL_MEDIATYPE);
 493             pInTypes = (DMO_PARTIAL_MEDIATYPE*) szValue;
 494
 495             for (i = 0; i < This->cInTypes; i++)
 496             {
 497                 for (j = 0; j < cInTypes; j++)
 498                 {
 499                     if (IsMediaTypeEqual(&pInTypes[j], &This->pInTypes[i]))
 500                         break;
 501                 }
 502
 503                 if (j >= cInTypes)
 504                     break;
 505             }
 506
 507             if (i < This->cInTypes)
 508             {
 509                 RegCloseKey(hkey);
 510                 continue;
 511             }
 512         }
 513
 514         if (This->pOutTypes)
 515         {
 516             UINT i, j;
 517             DWORD cOutTypes;
 518             DMO_PARTIAL_MEDIATYPE* pOutTypes;
 519
 520             len = MAX_PATH * sizeof(WCHAR);
 521             hres = RegQueryValueExW(hkey, szDMOOutputType, NULL, NULL, (LPBYTE) szValue, &len);
 522             if (ERROR_SUCCESS != hres)
 523             {
 524                 RegCloseKey(hkey);
 525                 continue;
 526             }
 527
 528             cOutTypes = len / sizeof(DMO_PARTIAL_MEDIATYPE);
 529             pOutTypes = (DMO_PARTIAL_MEDIATYPE*) szValue;
 530
 531             for (i = 0; i < This->cOutTypes; i++)
 532             {
 533                 for (j = 0; j < cOutTypes; j++)
 534                 {
 535                     if (IsMediaTypeEqual(&pOutTypes[j], &This->pOutTypes[i]))
 536                         break;
 537                 }
 538
 539                 if (j >= cOutTypes)
 540                     break;
 541             }
 542
 543             if (i < This->cOutTypes)
 544             {
 545                 RegCloseKey(hkey);
 546                 continue;
 547             }
 548         }
 549
 550         /* Media object wasn't filtered so add it to return list */
 551         Names[count] = NULL;
 552         len = MAX_PATH * sizeof(WCHAR);
 553         hres = RegQueryValueExW(hkey, NULL, NULL, NULL, (LPBYTE) szValue, &len);
 554         if (ERROR_SUCCESS == hres)
 555         {
 556             Names[count] = HeapAlloc(GetProcessHeap(), 0, strlenW(szValue) + 1);
 557             if (Names[count])
 558                 strcmpW(Names[count], szValue);
 559         }
 560         CLSIDFromString(szNextKey, &pCLSID[count]);
 561
 562         TRACE("found match %s %s\n", debugstr_w(szValue), debugstr_w(szNextKey));
 563         RegCloseKey(hkey);
 564         count++;
 565     }
 566
 567     *pcItemsFetched = count;
 568     if (*pcItemsFetched < cItemsToFetch)
 569         hres = S_FALSE;
 570
 571     return hres;
 572 }
 573
 574
 575 /******************************************************************************
 576  * IEnumDMO_fnSkip
 577  */
 578 static HRESULT WINAPI IEnumDMO_fnSkip(IEnumDMO * iface, DWORD cItemsToSkip)
 579 {
 580     IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
 581
 582     This->index += cItemsToSkip;
 583
 584     return S_OK;
 585 }
 586
 587
 588 /******************************************************************************
 589  * IEnumDMO_fnReset
 590  */
 591 static HRESULT WINAPI IEnumDMO_fnReset(IEnumDMO * iface)
 592 {
 593     IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
 594
 595     This->index = -1;
 596
 597     return S_OK;
 598 }
 599
 600
 601 /******************************************************************************
 602  * IEnumDMO_fnClone
 603  */
 604 static HRESULT WINAPI IEnumDMO_fnClone(IEnumDMO * iface, IEnumDMO **ppEnum)
 605 {
 606     IEnumDMOImpl *This = (IEnumDMOImpl *)iface;
 607
 608     FIXME("(%p)->() to (%p)->() E_NOTIMPL\n", This, ppEnum);
 609
 610   return E_NOTIMPL;
 611 }
 612
 613
 614 /***************************************************************
 615  * DMOEnum
 616  *
 617  * Enumerate DirectX Media Objects in the registry.
 618  */
 619 HRESULT WINAPI DMOEnum(
 620     REFGUID guidCategory,
 621     DWORD dwFlags,
 622     DWORD cInTypes,
 623     const DMO_PARTIAL_MEDIATYPE *pInTypes,
 624     DWORD cOutTypes,
 625     const DMO_PARTIAL_MEDIATYPE *pOutTypes,
 626     IEnumDMO **ppEnum)
 627 {
 628     HRESULT hres = E_FAIL;
 629
 630     TRACE("guidCategory=%p dwFlags=0x%08lx cInTypes=%ld cOutTypes=%ld\n",
 631         guidCategory, dwFlags, cInTypes, cOutTypes);
 632
 633     *ppEnum = IEnumDMO_Constructor(guidCategory, dwFlags, cInTypes,
 634         pInTypes, cOutTypes, pOutTypes);
 635     if (*ppEnum)
 636         hres = S_OK;
 637
 638     return hres;
 639 }
 640
 641
 642 static const IEnumDMOVtbl edmovt =
 643 {
 644         IEnumDMO_fnQueryInterface,
 645         IEnumDMO_fnAddRef,
 646         IEnumDMO_fnRelease,
 647         IEnumDMO_fnNext,
 648         IEnumDMO_fnSkip,
 649         IEnumDMO_fnReset,
 650         IEnumDMO_fnClone,
 651 };
 652
 653
 654 HRESULT WINAPI DMOGetTypes(REFCLSID a, unsigned long b, unsigned long* c,
 655                            DMO_PARTIAL_MEDIATYPE* d, unsigned long e,
 656                            unsigned long* f, DMO_PARTIAL_MEDIATYPE* g)
 657 {
 658   FIXME("(%p,%lu,%p,%p,%lu,%p,%p),stub!\n",a,b,c,d,e,f,g);
 659
 660   return E_NOTIMPL;
 661 }