2 * IFilterMapper & IFilterMapper2 Implementations
4 * Copyright 2003 Robert Shearman
5 * Copyright 2004 Christian Costa
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.
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.
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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #define NONAMELESSUNION
23 #define NONAMELESSSTRUCT
32 #include "quartz_private.h"
37 #include "wine/unicode.h"
40 #include "wine/debug.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
44 typedef struct FilterMapper2Impl
46 const IFilterMapper2Vtbl *lpVtbl;
47 const IFilterMapperVtbl *lpVtblFilterMapper;
51 static const IFilterMapper2Vtbl fm2vtbl;
52 static const IFilterMapperVtbl fmvtbl;
54 static inline FilterMapper2Impl *impl_from_IFilterMapper( IFilterMapper *iface )
56 return (FilterMapper2Impl *)((char*)iface - FIELD_OFFSET(FilterMapper2Impl, lpVtblFilterMapper));
59 static const WCHAR wszClsidSlash[] = {'C','L','S','I','D','\\',0};
60 static const WCHAR wszSlashInstance[] = {'\\','I','n','s','t','a','n','c','e','\\',0};
61 static const WCHAR wszSlash[] = {'\\',0};
63 /* CLSID property in media category Moniker */
64 static const WCHAR wszClsidName[] = {'C','L','S','I','D',0};
65 /* FriendlyName property in media category Moniker */
66 static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
67 /* Merit property in media category Moniker (CLSID_ActiveMovieCategories only) */
68 static const WCHAR wszMeritName[] = {'M','e','r','i','t',0};
69 /* FilterData property in media category Moniker (not CLSID_ActiveMovieCategories) */
70 static const WCHAR wszFilterDataName[] = {'F','i','l','t','e','r','D','a','t','a',0};
71 /* For filters registered with IFilterMapper */
72 static const WCHAR wszFilterSlash[] = {'F','i','l','t','e','r','\\',0};
73 static const WCHAR wszFilter[] = {'F','i','l','t','e','r',0};
74 /* For pins registered with IFilterMapper */
75 static const WCHAR wszPins[] = {'P','i','n','s',0};
76 static const WCHAR wszAllowedMany[] = {'A','l','l','o','w','e','d','M','a','n','y',0};
77 static const WCHAR wszAllowedZero[] = {'A','l','l','o','w','e','d','Z','e','r','o',0};
78 static const WCHAR wszDirection[] = {'D','i','r','e','c','t','i','o','n',0};
79 static const WCHAR wszIsRendered[] = {'I','s','R','e','n','d','e','r','e','d',0};
80 /* For types registered with IFilterMapper */
81 static const WCHAR wszTypes[] = {'T','y','p','e','s',0};
84 /* registry format for REGFILTER2 */
95 BYTE signature[4]; /* e.g. "0pi3" */
100 DWORD bCategory; /* is there a category clsid? */
101 /* optional: dwOffsetCategoryClsid */
106 BYTE signature[4]; /* e.g. "0ty3" */
121 int capacity; /* in bytes */
122 int current; /* pointer to next free byte */
125 /* returns the position it was added at */
126 static int add_data(struct Vector * v, const BYTE * pData, int size)
128 int index = v->current;
129 if (v->current + size > v->capacity)
131 LPBYTE pOldData = v->pData;
132 v->capacity = (v->capacity + size) * 2;
133 v->pData = CoTaskMemAlloc(v->capacity);
134 memcpy(v->pData, pOldData, v->current);
135 CoTaskMemFree(pOldData);
137 memcpy(v->pData + v->current, pData, size);
142 static int find_data(struct Vector * v, const BYTE * pData, int size)
145 for (index = 0; index < v->current; index++)
146 if (!memcmp(v->pData + index, pData, size))
152 static void delete_vector(struct Vector * v)
154 CoTaskMemFree(v->pData);
159 HRESULT FilterMapper2_create(IUnknown *pUnkOuter, LPVOID *ppObj)
161 FilterMapper2Impl * pFM2impl;
163 TRACE("(%p, %p)\n", pUnkOuter, ppObj);
166 return CLASS_E_NOAGGREGATION;
168 pFM2impl = CoTaskMemAlloc(sizeof(*pFM2impl));
170 return E_OUTOFMEMORY;
172 pFM2impl->lpVtbl = &fm2vtbl;
173 pFM2impl->lpVtblFilterMapper = &fmvtbl;
174 pFM2impl->refCount = 1;
178 TRACE("-- created at %p\n", pFM2impl);
183 /*** IUnknown methods ***/
185 static HRESULT WINAPI FilterMapper2_QueryInterface(IFilterMapper2 * iface, REFIID riid, LPVOID *ppv)
187 FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
189 TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
193 if (IsEqualIID(riid, &IID_IUnknown))
195 else if (IsEqualIID(riid, &IID_IFilterMapper2))
197 else if (IsEqualIID(riid, &IID_IFilterMapper))
198 *ppv = &This->lpVtblFilterMapper;
202 IUnknown_AddRef((IUnknown *)*ppv);
206 FIXME("No interface for %s\n", debugstr_guid(riid));
207 return E_NOINTERFACE;
210 static ULONG WINAPI FilterMapper2_AddRef(IFilterMapper2 * iface)
212 FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
213 ULONG refCount = InterlockedIncrement(&This->refCount);
215 TRACE("(%p)->()\n", iface);
220 static ULONG WINAPI FilterMapper2_Release(IFilterMapper2 * iface)
222 FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
223 ULONG refCount = InterlockedDecrement(&This->refCount);
225 TRACE("(%p)->()\n", iface);
235 /*** IFilterMapper2 methods ***/
237 static HRESULT WINAPI FilterMapper2_CreateCategory(
238 IFilterMapper2 * iface,
239 REFCLSID clsidCategory,
240 DWORD dwCategoryMerit,
241 LPCWSTR szDescription)
243 LPWSTR wClsidAMCat = NULL;
244 LPWSTR wClsidCategory = NULL;
245 WCHAR wszKeyName[strlenW(wszClsidSlash) + strlenW(wszSlashInstance) + (CHARS_IN_GUID-1) * 2 + 1];
250 TRACE("(%s, %x, %s)\n", debugstr_guid(clsidCategory), dwCategoryMerit, debugstr_w(szDescription));
252 hr = StringFromCLSID(&CLSID_ActiveMovieCategories, &wClsidAMCat);
256 hr = StringFromCLSID(clsidCategory, &wClsidCategory);
261 strcpyW(wszKeyName, wszClsidSlash);
262 strcatW(wszKeyName, wClsidAMCat);
263 strcatW(wszKeyName, wszSlashInstance);
264 strcatW(wszKeyName, wClsidCategory);
266 lRet = RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
267 hr = HRESULT_FROM_WIN32(lRet);
272 lRet = RegSetValueExW(hKey, wszFriendlyName, 0, REG_SZ, (const BYTE*)szDescription, (strlenW(szDescription) + 1) * sizeof(WCHAR));
273 hr = HRESULT_FROM_WIN32(lRet);
278 lRet = RegSetValueExW(hKey, wszClsidName, 0, REG_SZ, (LPBYTE)wClsidCategory, (strlenW(wClsidCategory) + 1) * sizeof(WCHAR));
279 hr = HRESULT_FROM_WIN32(lRet);
284 lRet = RegSetValueExW(hKey, wszMeritName, 0, REG_DWORD, (LPBYTE)&dwCategoryMerit, sizeof(dwCategoryMerit));
285 hr = HRESULT_FROM_WIN32(lRet);
289 CoTaskMemFree(wClsidCategory);
290 CoTaskMemFree(wClsidAMCat);
295 static HRESULT WINAPI FilterMapper2_UnregisterFilter(
296 IFilterMapper2 * iface,
297 const CLSID *pclsidCategory,
298 const OLECHAR *szInstance,
301 WCHAR wszKeyName[MAX_PATH];
302 LPWSTR wClsidCategory = NULL;
303 LPWSTR wFilter = NULL;
306 TRACE("(%p, %s, %s)\n", pclsidCategory, debugstr_w(szInstance), debugstr_guid(Filter));
309 pclsidCategory = &CLSID_LegacyAmFilterCategory;
311 hr = StringFromCLSID(pclsidCategory, &wClsidCategory);
315 strcpyW(wszKeyName, wszClsidSlash);
316 strcatW(wszKeyName, wClsidCategory);
317 strcatW(wszKeyName, wszSlashInstance);
319 strcatW(wszKeyName, szInstance);
322 hr = StringFromCLSID(Filter, &wFilter);
324 strcatW(wszKeyName, wFilter);
330 LONG lRet = RegDeleteKeyW(HKEY_CLASSES_ROOT, wszKeyName);
331 hr = HRESULT_FROM_WIN32(lRet);
334 CoTaskMemFree(wClsidCategory);
335 CoTaskMemFree(wFilter);
340 static HRESULT FM2_WriteFriendlyName(IPropertyBag * pPropBag, LPCWSTR szName)
344 V_VT(&var) = VT_BSTR;
345 V_UNION(&var, bstrVal) = (BSTR)szName;
347 return IPropertyBag_Write(pPropBag, wszFriendlyName, &var);
350 static HRESULT FM2_WriteClsid(IPropertyBag * pPropBag, REFCLSID clsid)
352 LPWSTR wszClsid = NULL;
356 hr = StringFromCLSID(clsid, &wszClsid);
360 V_VT(&var) = VT_BSTR;
361 V_UNION(&var, bstrVal) = wszClsid;
362 hr = IPropertyBag_Write(pPropBag, wszClsidName, &var);
364 CoTaskMemFree(wszClsid);
368 static HRESULT FM2_WriteFilterData(IPropertyBag * pPropBag, const REGFILTER2 * prf2)
371 int size = sizeof(struct REG_RF);
373 struct Vector mainStore = {NULL, 0, 0};
374 struct Vector clsidStore = {NULL, 0, 0};
377 SAFEARRAYBOUND saBound;
380 rrf.dwVersion = prf2->dwVersion;
381 rrf.dwMerit = prf2->dwMerit;
382 rrf.dwPins = prf2->u.s1.cPins2;
385 add_data(&mainStore, (LPBYTE)&rrf, sizeof(rrf));
387 for (i = 0; i < prf2->u.s1.cPins2; i++)
389 size += sizeof(struct REG_RFP);
390 if (prf2->u.s1.rgPins2[i].clsPinCategory)
391 size += sizeof(DWORD);
392 size += prf2->u.s1.rgPins2[i].nMediaTypes * sizeof(struct REG_TYPE);
393 size += prf2->u.s1.rgPins2[i].nMediums * sizeof(DWORD);
396 for (i = 0; i < prf2->u.s1.cPins2; i++)
399 REGFILTERPINS2 rgPin2 = prf2->u.s1.rgPins2[i];
402 rrfp.signature[0] = '0';
403 rrfp.signature[1] = 'p';
404 rrfp.signature[2] = 'i';
405 rrfp.signature[3] = '3';
406 rrfp.signature[0] += i;
407 rrfp.dwFlags = rgPin2.dwFlags;
408 rrfp.dwInstances = rgPin2.cInstances;
409 rrfp.dwMediaTypes = rgPin2.nMediaTypes;
410 rrfp.dwMediums = rgPin2.nMediums;
411 rrfp.bCategory = rgPin2.clsPinCategory ? 1 : 0;
413 add_data(&mainStore, (LPBYTE)&rrfp, sizeof(rrfp));
416 DWORD index = find_data(&clsidStore, (const BYTE*)rgPin2.clsPinCategory, sizeof(CLSID));
418 index = add_data(&clsidStore, (const BYTE*)rgPin2.clsPinCategory, sizeof(CLSID));
421 add_data(&mainStore, (LPBYTE)&index, sizeof(index));
424 for (j = 0; j < rgPin2.nMediaTypes; j++)
427 rt.signature[0] = '0';
428 rt.signature[1] = 't';
429 rt.signature[2] = 'y';
430 rt.signature[3] = '3';
431 rt.signature[0] += j;
434 rt.dwOffsetMajor = find_data(&clsidStore, (const BYTE*)rgPin2.lpMediaType[j].clsMajorType, sizeof(CLSID));
435 if (rt.dwOffsetMajor == -1)
436 rt.dwOffsetMajor = add_data(&clsidStore, (const BYTE*)rgPin2.lpMediaType[j].clsMajorType, sizeof(CLSID));
437 rt.dwOffsetMajor += size;
438 rt.dwOffsetMinor = find_data(&clsidStore, (const BYTE*)rgPin2.lpMediaType[j].clsMinorType, sizeof(CLSID));
439 if (rt.dwOffsetMinor == -1)
440 rt.dwOffsetMinor = add_data(&clsidStore, (const BYTE*)rgPin2.lpMediaType[j].clsMinorType, sizeof(CLSID));
441 rt.dwOffsetMinor += size;
443 add_data(&mainStore, (LPBYTE)&rt, sizeof(rt));
446 for (j = 0; j < rgPin2.nMediums; j++)
448 DWORD index = find_data(&clsidStore, (const BYTE*)(rgPin2.lpMedium + j), sizeof(REGPINMEDIUM));
450 index = add_data(&clsidStore, (const BYTE*)(rgPin2.lpMedium + j), sizeof(REGPINMEDIUM));
453 add_data(&mainStore, (LPBYTE)&index, sizeof(index));
458 saBound.cElements = mainStore.current + clsidStore.current;
459 psa = SafeArrayCreate(VT_UI1, 1, &saBound);
462 ERR("Couldn't create SAFEARRAY\n");
469 hr = SafeArrayAccessData(psa, (LPVOID *)&pbSAData);
472 memcpy(pbSAData, mainStore.pData, mainStore.current);
473 memcpy(pbSAData + mainStore.current, clsidStore.pData, clsidStore.current);
474 hr = SafeArrayUnaccessData(psa);
478 V_VT(&var) = VT_ARRAY | VT_UI1;
479 V_UNION(&var, parray) = psa;
482 hr = IPropertyBag_Write(pPropBag, wszFilterDataName, &var);
485 SafeArrayDestroy(psa);
487 delete_vector(&mainStore);
488 delete_vector(&clsidStore);
492 static HRESULT FM2_ReadFilterData(IPropertyBag * pPropBag, REGFILTER2 * prf2)
497 struct REG_RF * prrf;
500 REGFILTERPINS2 * rgPins2;
503 V_VT(&var) = VT_ARRAY | VT_UI1;
505 hr = IPropertyBag_Read(pPropBag, wszFilterDataName, &var, NULL);
508 hr = SafeArrayAccessData(V_UNION(&var, parray), (LPVOID*)&pData);
512 prrf = (struct REG_RF *)pData;
515 if (prrf->dwVersion != 2)
517 FIXME("Filter registry version %d not supported\n", prrf->dwVersion);
518 ZeroMemory(prf2, sizeof(*prf2));
525 TRACE("version = %d, merit = %x, #pins = %d, unused = %x\n",
526 prrf->dwVersion, prrf->dwMerit, prrf->dwPins, prrf->dwUnused);
528 prf2->dwVersion = prrf->dwVersion;
529 prf2->dwMerit = prrf->dwMerit;
530 prf2->u.s1.cPins2 = prrf->dwPins;
531 rgPins2 = CoTaskMemAlloc(prrf->dwPins * sizeof(*rgPins2));
532 prf2->u.s1.rgPins2 = rgPins2;
533 pCurrent += sizeof(struct REG_RF);
535 for (i = 0; i < prrf->dwPins; i++)
537 struct REG_RFP * prrfp = (struct REG_RFP *)pCurrent;
538 REGPINTYPES * lpMediaType;
539 REGPINMEDIUM * lpMedium;
542 /* FIXME: check signature */
544 TRACE("\tsignature = %s\n", debugstr_an((const char*)prrfp->signature, 4));
546 TRACE("\tpin[%d]: flags = %x, instances = %d, media types = %d, mediums = %d\n",
547 i, prrfp->dwFlags, prrfp->dwInstances, prrfp->dwMediaTypes, prrfp->dwMediums);
549 rgPins2[i].dwFlags = prrfp->dwFlags;
550 rgPins2[i].cInstances = prrfp->dwInstances;
551 rgPins2[i].nMediaTypes = prrfp->dwMediaTypes;
552 rgPins2[i].nMediums = prrfp->dwMediums;
553 pCurrent += sizeof(struct REG_RFP);
554 if (prrfp->bCategory)
556 CLSID * clsCat = CoTaskMemAlloc(sizeof(CLSID));
557 memcpy(clsCat, pData + *(DWORD*)(pCurrent), sizeof(CLSID));
558 pCurrent += sizeof(DWORD);
559 rgPins2[i].clsPinCategory = clsCat;
562 rgPins2[i].clsPinCategory = NULL;
564 if (rgPins2[i].nMediaTypes > 0)
565 lpMediaType = CoTaskMemAlloc(rgPins2[i].nMediaTypes * sizeof(*lpMediaType));
569 rgPins2[i].lpMediaType = lpMediaType;
571 for (j = 0; j < rgPins2[i].nMediaTypes; j++)
573 struct REG_TYPE * prt = (struct REG_TYPE *)pCurrent;
574 CLSID * clsMajor = CoTaskMemAlloc(sizeof(CLSID));
575 CLSID * clsMinor = CoTaskMemAlloc(sizeof(CLSID));
577 /* FIXME: check signature */
578 TRACE("\t\tsignature = %s\n", debugstr_an((const char*)prt->signature, 4));
580 memcpy(clsMajor, pData + prt->dwOffsetMajor, sizeof(CLSID));
581 memcpy(clsMinor, pData + prt->dwOffsetMinor, sizeof(CLSID));
583 lpMediaType[j].clsMajorType = clsMajor;
584 lpMediaType[j].clsMinorType = clsMinor;
586 pCurrent += sizeof(*prt);
589 if (rgPins2[i].nMediums > 0)
590 lpMedium = CoTaskMemAlloc(rgPins2[i].nMediums * sizeof(*lpMedium));
594 rgPins2[i].lpMedium = lpMedium;
596 for (j = 0; j < rgPins2[i].nMediums; j++)
598 DWORD dwOffset = *(DWORD *)pCurrent;
600 memcpy(lpMedium + j, pData + dwOffset, sizeof(REGPINMEDIUM));
602 pCurrent += sizeof(dwOffset);
609 SafeArrayUnaccessData(V_UNION(&var, parray));
616 static void FM2_DeleteRegFilter(REGFILTER2 * prf2)
619 for (i = 0; i < prf2->u.s1.cPins2; i++)
622 if (prf2->u.s1.rgPins2[i].clsPinCategory)
623 CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].clsPinCategory);
625 for (j = 0; j < prf2->u.s1.rgPins2[i].nMediaTypes; j++)
627 CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMediaType[j].clsMajorType);
628 CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMediaType[j].clsMinorType);
630 CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMedium);
634 static HRESULT WINAPI FilterMapper2_RegisterFilter(
635 IFilterMapper2 * iface,
636 REFCLSID clsidFilter,
638 IMoniker **ppMoniker,
639 const CLSID *pclsidCategory,
640 const OLECHAR *szInstance,
641 const REGFILTER2 *prf2)
643 IParseDisplayName * pParser = NULL;
644 IBindCtx * pBindCtx = NULL;
645 IMoniker * pMoniker = NULL;
646 IPropertyBag * pPropBag = NULL;
648 LPWSTR pwszParseName = NULL;
650 static const WCHAR wszDevice[] = {'@','d','e','v','i','c','e',':','s','w',':',0};
653 LPWSTR szClsidTemp = NULL;
654 REGFILTER2 regfilter2;
655 REGFILTERPINS2* pregfp2 = NULL;
657 TRACE("(%s, %s, %p, %s, %s, %p)\n",
658 debugstr_guid(clsidFilter),
661 debugstr_guid(pclsidCategory),
662 debugstr_w(szInstance),
665 if (prf2->dwVersion == 2)
669 else if (prf2->dwVersion == 1)
673 /* REGFILTER2 structure is converted from version 1 to 2. Tested on Win2k. */
674 regfilter2.dwVersion = 2;
675 regfilter2.dwMerit = prf2->dwMerit;
676 regfilter2.u.s1.cPins2 = prf2->u.s.cPins;
677 pregfp2 = (REGFILTERPINS2*) CoTaskMemAlloc(prf2->u.s.cPins * sizeof(REGFILTERPINS2));
678 regfilter2.u.s1.rgPins2 = pregfp2;
679 for (i = 0; i < prf2->u.s.cPins; i++)
682 if (prf2->u.s.rgPins[i].bRendered)
683 flags |= REG_PINFLAG_B_RENDERER;
684 if (prf2->u.s.rgPins[i].bOutput)
685 flags |= REG_PINFLAG_B_OUTPUT;
686 if (prf2->u.s.rgPins[i].bZero)
687 flags |= REG_PINFLAG_B_ZERO;
688 if (prf2->u.s.rgPins[i].bMany)
689 flags |= REG_PINFLAG_B_MANY;
690 pregfp2[i].dwFlags = flags;
691 pregfp2[i].cInstances = 1;
692 pregfp2[i].nMediaTypes = prf2->u.s.rgPins[i].nMediaTypes;
693 pregfp2[i].lpMediaType = prf2->u.s.rgPins[i].lpMediaType;
694 pregfp2[i].nMediums = 0;
695 pregfp2[i].lpMedium = NULL;
696 pregfp2[i].clsPinCategory = NULL;
701 FIXME("dwVersion other that 1 or 2 not supported at the moment\n");
709 /* MSDN mentions the inexistent CLSID_ActiveMovieFilters GUID.
710 * In fact this is the CLSID_LegacyAmFilterCategory one */
711 pclsidCategory = &CLSID_LegacyAmFilterCategory;
713 /* sizeof... will include the null terminator and
714 * the + 1 is for the separator ('\\'). The -1 is
715 * because CHARS_IN_GUID includes the null terminator
717 nameLen = sizeof(wszDevice)/sizeof(wszDevice[0]) + CHARS_IN_GUID - 1 + 1;
720 nameLen += strlenW(szInstance);
722 nameLen += CHARS_IN_GUID - 1; /* CHARS_IN_GUID includes null terminator */
724 pCurrent = pwszParseName = CoTaskMemAlloc(nameLen*sizeof(WCHAR));
726 return E_OUTOFMEMORY;
728 strcpyW(pwszParseName, wszDevice);
729 pCurrent += strlenW(wszDevice);
731 hr = StringFromCLSID(pclsidCategory, &szClsidTemp);
735 memcpy(pCurrent, szClsidTemp, CHARS_IN_GUID * sizeof(WCHAR));
736 pCurrent += CHARS_IN_GUID - 1;
740 strcpyW(pCurrent+1, szInstance);
743 CoTaskMemFree(szClsidTemp);
746 hr = StringFromCLSID(clsidFilter, &szClsidTemp);
748 strcpyW(pCurrent+1, szClsidTemp);
753 hr = CoCreateInstance(&CLSID_CDeviceMoniker, NULL, CLSCTX_INPROC, &IID_IParseDisplayName, (LPVOID *)&pParser);
756 hr = CreateBindCtx(0, &pBindCtx);
759 hr = IParseDisplayName_ParseDisplayName(pParser, pBindCtx, pwszParseName, &ulEaten, &pMoniker);
762 IBindCtx_Release(pBindCtx);
764 IParseDisplayName_Release(pParser);
767 hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID)&pPropBag);
770 hr = FM2_WriteFriendlyName(pPropBag, szName);
773 hr = FM2_WriteClsid(pPropBag, clsidFilter);
776 hr = FM2_WriteFilterData(pPropBag, ®filter2);
779 IPropertyBag_Release(pPropBag);
780 CoTaskMemFree(szClsidTemp);
782 if (SUCCEEDED(hr) && ppMoniker)
783 *ppMoniker = pMoniker;
785 IMoniker_Release(pMoniker);
787 CoTaskMemFree(pregfp2);
789 TRACE("-- returning %x\n", hr);
794 /* internal helper function */
795 static BOOL MatchTypes(
798 const REGPINTYPES * pPinTypes,
800 const GUID * pMatchTypes)
805 if ((nMatchTypes == 0) && (nPinTypes > 0))
808 for (j = 0; j < nPinTypes; j++)
811 for (i = 0; i < nMatchTypes*2; i+=2)
813 if (((!bExactMatch && IsEqualGUID(pPinTypes[j].clsMajorType, &GUID_NULL)) || IsEqualGUID(&pMatchTypes[i], &GUID_NULL) || IsEqualGUID(pPinTypes[j].clsMajorType, &pMatchTypes[i])) &&
814 ((!bExactMatch && IsEqualGUID(pPinTypes[j].clsMinorType, &GUID_NULL)) || IsEqualGUID(&pMatchTypes[i+1], &GUID_NULL) || IsEqualGUID(pPinTypes[j].clsMinorType, &pMatchTypes[i+1])))
824 /* internal helper function for qsort of MONIKER_MERIT array */
825 static int mm_compare(const void * left, const void * right)
827 const struct MONIKER_MERIT * mmLeft = (const struct MONIKER_MERIT *)left;
828 const struct MONIKER_MERIT * mmRight = (const struct MONIKER_MERIT *)right;
830 if (mmLeft->dwMerit == mmRight->dwMerit)
832 if (mmLeft->dwMerit > mmRight->dwMerit)
838 * Exact match means whether or not to treat GUID_NULL's in filter data as wild cards
839 * (GUID_NULL's in input to function automatically treated as wild cards)
840 * Input/Output needed means match only on criteria if TRUE (with zero input types
841 * meaning match any input/output pin as long as one exists), otherwise match any
842 * filter that meets the rest of the requirements.
844 static HRESULT WINAPI FilterMapper2_EnumMatchingFilters(
845 IFilterMapper2 * iface,
846 IEnumMoniker **ppEnum,
852 const GUID *pInputTypes,
853 const REGPINMEDIUM *pMedIn,
854 const CLSID *pPinCategoryIn,
858 const GUID *pOutputTypes,
859 const REGPINMEDIUM *pMedOut,
860 const CLSID *pPinCategoryOut)
862 ICreateDevEnum * pCreateDevEnum;
863 IMoniker * pMonikerCat;
864 IEnumMoniker * pEnumCat;
866 struct Vector monikers = {NULL, 0, 0};
868 TRACE("(%p, %x, %s, %x, %s, %d, %p, %p, %p, %s, %s, %p, %p, %p)\n",
871 bExactMatch ? "true" : "false",
873 bInputNeeded ? "true" : "false",
878 bRender ? "true" : "false",
879 bOutputNeeded ? "true" : "false",
886 FIXME("dwFlags = %x not implemented\n", dwFlags);
891 hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, &IID_ICreateDevEnum, (LPVOID*)&pCreateDevEnum);
894 hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEnumCat, 0);
896 while (IEnumMoniker_Next(pEnumCat, 1, &pMonikerCat, NULL) == S_OK)
898 IPropertyBag * pPropBagCat = NULL;
900 HRESULT hrSub; /* this is so that one buggy filter
901 doesn't make the whole lot fail */
905 hrSub = IMoniker_BindToStorage(pMonikerCat, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
907 if (SUCCEEDED(hrSub))
908 hrSub = IPropertyBag_Read(pPropBagCat, wszMeritName, &var, NULL);
910 if (SUCCEEDED(hrSub) && (V_UNION(&var, ulVal) >= dwMerit))
913 IEnumMoniker * pEnum;
918 if (TRACE_ON(quartz))
921 V_VT(&temp) = VT_EMPTY;
922 IPropertyBag_Read(pPropBagCat, wszFriendlyName, &temp, NULL);
923 TRACE("Considering category %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
927 hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
929 if (SUCCEEDED(hrSub))
930 hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsidCat);
932 if (SUCCEEDED(hrSub))
933 hrSub = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &clsidCat, &pEnum, 0);
937 while (IEnumMoniker_Next(pEnum, 1, &pMoniker, NULL) == S_OK)
939 IPropertyBag * pPropBag = NULL;
942 BOOL bInputMatch = !bInputNeeded;
943 BOOL bOutputMatch = !bOutputNeeded;
945 ZeroMemory(&rf2, sizeof(rf2));
947 hrSub = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBag);
949 if (TRACE_ON(quartz))
952 V_VT(&temp) = VT_EMPTY;
953 IPropertyBag_Read(pPropBag, wszFriendlyName, &temp, NULL);
954 TRACE("Considering filter %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
958 if (SUCCEEDED(hrSub))
959 hrSub = FM2_ReadFilterData(pPropBag, &rf2);
961 /* Logic used for bInputMatch expression:
962 * There exists some pin such that bInputNeeded implies (pin is an input and
963 * (bRender implies pin has render flag) and major/minor types members of
965 * bOutputMatch is similar, but without the "bRender implies ..." part
966 * and substituting variables names containing input for output
969 /* determine whether filter meets requirements */
970 if (SUCCEEDED(hrSub) && (rf2.dwMerit >= dwMerit))
972 for (i = 0; (i < rf2.u.s1.cPins2) && (!bInputMatch || !bOutputMatch); i++)
974 const REGFILTERPINS2 * rfp2 = rf2.u.s1.rgPins2 + i;
976 bInputMatch = bInputMatch || (!(rfp2->dwFlags & REG_PINFLAG_B_OUTPUT) &&
977 (!bRender || (rfp2->dwFlags & REG_PINFLAG_B_RENDERER)) &&
978 MatchTypes(bExactMatch, rfp2->nMediaTypes, rfp2->lpMediaType, cInputTypes, pInputTypes));
979 bOutputMatch = bOutputMatch || ((rfp2->dwFlags & REG_PINFLAG_B_OUTPUT) &&
980 MatchTypes(bExactMatch, rfp2->nMediaTypes, rfp2->lpMediaType, cOutputTypes, pOutputTypes));
983 if (bInputMatch && bOutputMatch)
985 struct MONIKER_MERIT mm = {pMoniker, rf2.dwMerit};
986 IMoniker_AddRef(pMoniker);
987 add_data(&monikers, (LPBYTE)&mm, sizeof(mm));
991 FM2_DeleteRegFilter(&rf2);
993 IPropertyBag_Release(pPropBag);
994 IMoniker_Release(pMoniker);
996 IEnumMoniker_Release(pEnum);
1002 IPropertyBag_Release(pPropBagCat);
1003 IMoniker_Release(pMonikerCat);
1008 IMoniker ** ppMoniker;
1010 ULONG nMonikerCount = monikers.current / sizeof(struct MONIKER_MERIT);
1012 /* sort the monikers in descending merit order */
1013 qsort(monikers.pData, nMonikerCount,
1014 sizeof(struct MONIKER_MERIT),
1017 /* construct an IEnumMoniker interface */
1018 ppMoniker = CoTaskMemAlloc(nMonikerCount * sizeof(IMoniker *));
1019 for (i = 0; i < nMonikerCount; i++)
1021 /* no need to AddRef here as already AddRef'd above */
1022 ppMoniker[i] = ((struct MONIKER_MERIT *)monikers.pData)[i].pMoniker;
1024 hr = EnumMonikerImpl_Create(ppMoniker, nMonikerCount, ppEnum);
1025 CoTaskMemFree(ppMoniker);
1028 delete_vector(&monikers);
1029 IEnumMoniker_Release(pEnumCat);
1030 ICreateDevEnum_Release(pCreateDevEnum);
1035 static const IFilterMapper2Vtbl fm2vtbl =
1038 FilterMapper2_QueryInterface,
1039 FilterMapper2_AddRef,
1040 FilterMapper2_Release,
1042 FilterMapper2_CreateCategory,
1043 FilterMapper2_UnregisterFilter,
1044 FilterMapper2_RegisterFilter,
1045 FilterMapper2_EnumMatchingFilters
1048 /*** IUnknown methods ***/
1050 static HRESULT WINAPI FilterMapper_QueryInterface(IFilterMapper * iface, REFIID riid, LPVOID *ppv)
1052 FilterMapper2Impl *This = impl_from_IFilterMapper(iface);
1054 TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1056 return FilterMapper2_QueryInterface((IFilterMapper2*)&This->lpVtbl, riid, ppv);
1059 static ULONG WINAPI FilterMapper_AddRef(IFilterMapper * iface)
1061 FilterMapper2Impl *This = impl_from_IFilterMapper(iface);
1063 return FilterMapper2_AddRef((IFilterMapper2*)This);
1066 static ULONG WINAPI FilterMapper_Release(IFilterMapper * iface)
1068 FilterMapper2Impl *This = impl_from_IFilterMapper(iface);
1070 return FilterMapper2_Release((IFilterMapper2*)This);
1073 /*** IFilterMapper methods ***/
1075 static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
1076 IFilterMapper * iface,
1077 IEnumRegFilters **ppEnum,
1087 FilterMapper2Impl *This = impl_from_IFilterMapper(iface);
1090 IEnumMoniker* ppEnumMoniker;
1093 ULONG idx = 0, nb_mon = 0;
1094 REGFILTER* regfilters;
1097 TRACE("(%p/%p)->(%p, %x, %s, %s, %s, %s, %s, %s, %s) stub!\n",
1101 bInputNeeded ? "true" : "false",
1102 debugstr_guid(&clsInMaj),
1103 debugstr_guid(&clsInSub),
1104 bRender ? "true" : "false",
1105 bOutputNeeded ? "true" : "false",
1106 debugstr_guid(&clsOutMaj),
1107 debugstr_guid(&clsOutSub));
1109 InputType[0] = clsInMaj;
1110 InputType[1] = clsInSub;
1111 OutputType[0] = clsOutMaj;
1112 OutputType[1] = clsOutSub;
1114 hr = IFilterMapper2_EnumMatchingFilters((IFilterMapper2*)This,
1134 while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
1136 IMoniker_Release(IMon);
1143 IEnumMoniker_Release(ppEnumMoniker);
1144 return IEnumRegFiltersImpl_Construct(NULL, 0, ppEnum);
1147 regfilters = CoTaskMemAlloc(nb_mon * sizeof(REGFILTER));
1150 IEnumMoniker_Release(ppEnumMoniker);
1151 return E_OUTOFMEMORY;
1154 IEnumMoniker_Reset(ppEnumMoniker);
1155 while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
1157 IPropertyBag * pPropBagCat = NULL;
1164 V_VT(&var) = VT_BSTR;
1166 hrSub = IMoniker_BindToStorage(IMon, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
1168 if (SUCCEEDED(hrSub))
1169 hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
1171 if (SUCCEEDED(hrSub))
1172 hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsid);
1174 if (SUCCEEDED(hrSub))
1175 hrSub = IPropertyBag_Read(pPropBagCat, wszFriendlyName, &var, NULL);
1177 if (SUCCEEDED(hrSub))
1179 len = (strlenW((WCHAR*)&V_UNION(&var, bstrVal))+1) * sizeof(WCHAR);
1180 if (!(regfilters[idx].Name = CoTaskMemAlloc(len*2)))
1184 if (SUCCEEDED(hrSub))
1186 memcpy(regfilters[idx].Name, &V_UNION(&var, bstrVal), len);
1187 regfilters[idx].Clsid = clsid;
1192 IPropertyBag_Release(pPropBagCat);
1193 IMoniker_Release(IMon);
1196 /* In case of release all resources */
1199 for (idx = 0; idx < nb_mon; idx++)
1200 CoTaskMemFree(regfilters[idx].Name);
1201 CoTaskMemFree(regfilters);
1202 IEnumMoniker_Release(ppEnumMoniker);
1206 hr = IEnumRegFiltersImpl_Construct(regfilters, nb_mon, ppEnum);
1207 CoTaskMemFree(regfilters);
1208 IEnumMoniker_Release(ppEnumMoniker);
1214 static HRESULT WINAPI FilterMapper_RegisterFilter(IFilterMapper * iface, CLSID clsid, LPCWSTR szName, DWORD dwMerit)
1217 LPWSTR wszClsid = NULL;
1220 WCHAR wszKeyName[strlenW(wszFilterSlash) + (CHARS_IN_GUID-1) + 1];
1222 TRACE("(%p)->(%s, %s, %x)\n", iface, debugstr_guid(&clsid), debugstr_w(szName), dwMerit);
1224 hr = StringFromCLSID(&clsid, &wszClsid);
1228 strcpyW(wszKeyName, wszFilterSlash);
1229 strcatW(wszKeyName, wszClsid);
1231 lRet = RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
1232 hr = HRESULT_FROM_WIN32(lRet);
1237 lRet = RegSetValueExW(hKey, NULL, 0, REG_SZ, (const BYTE*)szName, strlenW(szName) + 1);
1238 hr = HRESULT_FROM_WIN32(lRet);
1244 strcpyW(wszKeyName, wszClsidSlash);
1245 strcatW(wszKeyName, wszClsid);
1247 lRet = RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL);
1248 hr = HRESULT_FROM_WIN32(lRet);
1253 lRet = RegSetValueExW(hKey, wszMeritName, 0, REG_DWORD, (LPBYTE)&dwMerit, sizeof(dwMerit));
1254 hr = HRESULT_FROM_WIN32(lRet);
1261 static HRESULT WINAPI FilterMapper_RegisterFilterInstance(IFilterMapper * iface, CLSID clsid, LPCWSTR szName, CLSID *MRId)
1263 TRACE("(%p)->(%s, %s, %p)\n", iface, debugstr_guid(&clsid), debugstr_w(szName), MRId);
1265 /* Not implemented in Windows (tested on Win2k) */
1270 static HRESULT WINAPI FilterMapper_RegisterPin(
1271 IFilterMapper * iface,
1278 CLSID ConnectsToFilter,
1279 LPCWSTR ConnectsToPin)
1283 LPWSTR wszClsid = NULL;
1285 HKEY hPinsKey = NULL;
1286 WCHAR * wszPinsKeyName;
1287 WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1289 TRACE("(%p)->(%s, %s, %d, %d, %d, %d, %s, %s)\n", iface, debugstr_guid(&Filter), debugstr_w(szName), bRendered,
1290 bOutput, bZero, bMany, debugstr_guid(&ConnectsToFilter), debugstr_w(ConnectsToPin));
1292 hr = StringFromCLSID(&Filter, &wszClsid);
1296 strcpyW(wszKeyName, wszClsidSlash);
1297 strcatW(wszKeyName, wszClsid);
1299 lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey);
1300 hr = HRESULT_FROM_WIN32(lRet);
1305 wszPinsKeyName = CoTaskMemAlloc((strlenW(wszPins) + 1 + strlenW(szName) + 1) * 2);
1306 if (!wszPinsKeyName)
1312 strcpyW(wszPinsKeyName, wszPins);
1313 strcatW(wszPinsKeyName, wszSlash);
1314 strcatW(wszPinsKeyName, szName);
1316 lRet = RegCreateKeyExW(hKey, wszPinsKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hPinsKey, NULL);
1317 hr = HRESULT_FROM_WIN32(lRet);
1318 CoTaskMemFree(wszPinsKeyName);
1323 lRet = RegSetValueExW(hPinsKey, wszAllowedMany, 0, REG_DWORD, (LPBYTE)&bMany, sizeof(bMany));
1324 hr = HRESULT_FROM_WIN32(lRet);
1329 lRet = RegSetValueExW(hPinsKey, wszAllowedZero, 0, REG_DWORD, (LPBYTE)&bZero, sizeof(bZero));
1330 hr = HRESULT_FROM_WIN32(lRet);
1335 lRet = RegSetValueExW(hPinsKey, wszDirection, 0, REG_DWORD, (LPBYTE)&bOutput, sizeof(bOutput));
1336 hr = HRESULT_FROM_WIN32(lRet);
1341 lRet = RegSetValueExW(hPinsKey, wszIsRendered, 0, REG_DWORD, (LPBYTE)&bRendered, sizeof(bRendered));
1342 hr = HRESULT_FROM_WIN32(lRet);
1347 lRet = RegCreateKeyExW(hPinsKey, wszTypes, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, NULL, NULL);
1348 hr = HRESULT_FROM_WIN32(lRet);
1351 CoTaskMemFree(wszClsid);
1355 CloseHandle(hPinsKey);
1361 static HRESULT WINAPI FilterMapper_RegisterPinType(
1362 IFilterMapper * iface,
1370 LPWSTR wszClsid = NULL;
1371 LPWSTR wszClsidMajorType = NULL;
1372 LPWSTR wszClsidSubType = NULL;
1374 WCHAR * wszTypesKey;
1375 WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1377 TRACE("(%p)->(%s, %s, %s, %s)\n", iface, debugstr_guid(&clsFilter), debugstr_w(szName),
1378 debugstr_guid(&clsMajorType), debugstr_guid(&clsSubType));
1380 hr = StringFromCLSID(&clsFilter, &wszClsid);
1384 hr = StringFromCLSID(&clsMajorType, &wszClsidMajorType);
1389 hr = StringFromCLSID(&clsSubType, &wszClsidSubType);
1394 wszTypesKey = CoTaskMemAlloc((strlenW(wszClsidSlash) + strlenW(wszClsid) + strlenW(wszPins) +
1395 strlenW(szName) + strlenW(wszTypes) + 3 + 1) * 2);
1402 strcpyW(wszTypesKey, wszClsidSlash);
1403 strcatW(wszTypesKey, wszClsid);
1404 strcatW(wszTypesKey, wszSlash);
1405 strcatW(wszTypesKey, wszPins);
1406 strcatW(wszTypesKey, wszSlash);
1407 strcatW(wszTypesKey, szName);
1408 strcatW(wszTypesKey, wszSlash);
1409 strcatW(wszTypesKey, wszTypes);
1411 lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszTypesKey, 0, KEY_WRITE, &hKey);
1412 hr = HRESULT_FROM_WIN32(lRet);
1413 CoTaskMemFree(wszTypesKey);
1418 strcpyW(wszKeyName, wszClsidMajorType);
1419 strcatW(wszKeyName, wszSlash);
1420 strcatW(wszKeyName, wszClsidSubType);
1422 lRet = RegCreateKeyExW(hKey, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, NULL, NULL);
1423 hr = HRESULT_FROM_WIN32(lRet);
1427 CoTaskMemFree(wszClsid);
1428 CoTaskMemFree(wszClsidMajorType);
1429 CoTaskMemFree(wszClsidSubType);
1434 static HRESULT WINAPI FilterMapper_UnregisterFilter(IFilterMapper * iface, CLSID Filter)
1438 LPWSTR wszClsid = NULL;
1440 WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1442 TRACE("(%p)->(%s)\n", iface, debugstr_guid(&Filter));
1444 hr = StringFromCLSID(&Filter, &wszClsid);
1448 lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszFilter, 0, KEY_WRITE, &hKey);
1449 hr = HRESULT_FROM_WIN32(lRet);
1454 lRet = RegDeleteKeyW(hKey, wszClsid);
1455 hr = HRESULT_FROM_WIN32(lRet);
1461 strcpyW(wszKeyName, wszClsidSlash);
1462 strcatW(wszKeyName, wszClsid);
1464 lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey);
1465 hr = HRESULT_FROM_WIN32(lRet);
1470 lRet = RegDeleteKeyW(hKey, wszMeritName);
1471 hr = HRESULT_FROM_WIN32(lRet);
1475 CoTaskMemFree(wszClsid);
1480 static HRESULT WINAPI FilterMapper_UnregisterFilterInstance(IFilterMapper * iface, CLSID MRId)
1482 TRACE("(%p)->(%s)\n", iface, debugstr_guid(&MRId));
1484 /* Not implemented in Windows (tested on Win2k) */
1489 static HRESULT WINAPI FilterMapper_UnregisterPin(IFilterMapper * iface, CLSID Filter, LPCWSTR Name)
1493 LPWSTR wszClsid = NULL;
1495 WCHAR * wszPinNameKey;
1496 WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1498 TRACE("(%p)->(%s, %s)\n", iface, debugstr_guid(&Filter), debugstr_w(Name));
1501 return E_INVALIDARG;
1503 hr = StringFromCLSID(&Filter, &wszClsid);
1507 strcpyW(wszKeyName, wszClsidSlash);
1508 strcatW(wszKeyName, wszClsid);
1510 lRet = RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey);
1511 hr = HRESULT_FROM_WIN32(lRet);
1516 wszPinNameKey = CoTaskMemAlloc((strlenW(wszPins) + 1 + strlenW(Name) + 1) * 2);
1523 strcpyW(wszPinNameKey, wszPins);
1524 strcatW(wszPinNameKey, wszSlash);
1525 strcatW(wszPinNameKey, Name);
1527 lRet = RegDeleteKeyW(hKey, wszPinNameKey);
1528 hr = HRESULT_FROM_WIN32(lRet);
1529 CoTaskMemFree(wszPinNameKey);
1532 CoTaskMemFree(wszClsid);
1539 static const IFilterMapperVtbl fmvtbl =
1542 FilterMapper_QueryInterface,
1543 FilterMapper_AddRef,
1544 FilterMapper_Release,
1546 FilterMapper_RegisterFilter,
1547 FilterMapper_RegisterFilterInstance,
1548 FilterMapper_RegisterPin,
1549 FilterMapper_RegisterPinType,
1550 FilterMapper_UnregisterFilter,
1551 FilterMapper_UnregisterFilterInstance,
1552 FilterMapper_UnregisterPin,
1553 FilterMapper_EnumMatchingFilters