dlls/quartz/filtermapper.c

   1 /*
   2  * IFilterMapper & IFilterMapper2 Implementations
   3  *
   4  * Copyright 2003 Robert Shearman
   5  * Copyright 2004 Christian Costa
   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
  22 #define NONAMELESSUNION
  23 #define NONAMELESSSTRUCT
  24 #include <stdarg.h>
  25
  26 #include "windef.h"
  27 #include "winbase.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "winerror.h"
  31
  32 #include "quartz_private.h"
  33
  34 #define COM_NO_WINDOWS_H
  35 #include "ole2.h"
  36 #include "olectl.h"
  37 #include "strmif.h"
  38 #include "wine/unicode.h"
  39 #include "uuids.h"
  40
  41 #include "wine/debug.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  44
  45 typedef struct FilterMapper2Impl
  46 {
  47     IFilterMapper2Vtbl *lpVtbl;
  48     IFilterMapperVtbl  *lpVtblFilterMapper;
  49     ULONG refCount;
  50 } FilterMapper2Impl;
  51
  52 static struct IFilterMapper2Vtbl fm2vtbl;
  53 static struct IFilterMapperVtbl fmvtbl;
  54
  55 #define _IFilterMapper_Offset ((int)(&(((FilterMapper2Impl*)0)->lpVtblFilterMapper)))
  56 #define ICOM_THIS_From_IFilterMapper(impl, iface) impl* This = (impl*)(((char*)iface)-_IFilterMapper_Offset)
  57
  58 static const WCHAR wszClsidSlash[] = {'C','L','S','I','D','\\',0};
  59 static const WCHAR wszSlashInstance[] = {'\\','I','n','s','t','a','n','c','e','\\',0};
  60 static const WCHAR wszSlash[] = {'\\',0};
  61
  62 /* CLSID property in media category Moniker */
  63 static const WCHAR wszClsidName[] = {'C','L','S','I','D',0};
  64 /* FriendlyName property in media category Moniker */
  65 static const WCHAR wszFriendlyName[] = {'F','r','i','e','n','d','l','y','N','a','m','e',0};
  66 /* Merit property in media category Moniker (CLSID_ActiveMovieCategories only) */
  67 static const WCHAR wszMeritName[] = {'M','e','r','i','t',0};
  68 /* FilterData property in media category Moniker (not CLSID_ActiveMovieCategories) */
  69 static const WCHAR wszFilterDataName[] = {'F','i','l','t','e','r','D','a','t','a',0};
  70 /* For filters registered with IFilterMapper */
  71 static const WCHAR wszFilterSlash[] = {'F','i','l','t','e','r','\\',0};
  72 static const WCHAR wszFilter[] = {'F','i','l','t','e','r',0};
  73 /* For pins registered with IFilterMapper */
  74 static const WCHAR wszPins[] = {'P','i','n','s',0};
  75 static const WCHAR wszAllowedMany[] = {'A','l','l','o','w','e','d','M','a','n','y',0};
  76 static const WCHAR wszAllowedZero[] = {'A','l','l','o','w','e','d','Z','e','r','o',0};
  77 static const WCHAR wszDirection[] = {'D','i','r','e','c','t','i','o','n',0};
  78 static const WCHAR wszIsRendered[] = {'I','s','R','e','n','d','e','r','e','d',0};
  79 /* For types registered with IFilterMapper */
  80 static const WCHAR wszTypes[] = {'T','y','p','e','s',0};
  81
  82
  83 /* registry format for REGFILTER2 */
  84 struct REG_RF
  85 {
  86     DWORD dwVersion;
  87     DWORD dwMerit;
  88     DWORD dwPins;
  89     DWORD dwUnused;
  90 };
  91
  92 struct REG_RFP
  93 {
  94     BYTE signature[4]; /* e.g. "0pi3" */
  95     DWORD dwFlags;
  96     DWORD dwInstances;
  97     DWORD dwMediaTypes;
  98     DWORD dwMediums;
  99     DWORD bCategory; /* is there a category clsid? */
 100     /* optional: dwOffsetCategoryClsid */
 101 };
 102
 103 struct REG_TYPE
 104 {
 105     BYTE signature[4]; /* e.g. "0ty3" */
 106     DWORD dwUnused;
 107     DWORD dwOffsetMajor;
 108     DWORD dwOffsetMinor;
 109 };
 110
 111 struct MONIKER_MERIT
 112 {
 113     IMoniker * pMoniker;
 114     DWORD dwMerit;
 115 };
 116
 117 struct Vector
 118 {
 119     LPBYTE pData;
 120     int capacity; /* in bytes */
 121     int current; /* pointer to next free byte */
 122 };
 123
 124 /* returns the position it was added at */
 125 static int add_data(struct Vector * v, const BYTE * pData, int size)
 126 {
 127     int index = v->current;
 128     if (v->current + size > v->capacity)
 129     {
 130         LPBYTE pOldData = v->pData;
 131         v->capacity = (v->capacity + size) * 2;
 132         v->pData = CoTaskMemAlloc(v->capacity);
 133         memcpy(v->pData, pOldData, v->current);
 134         CoTaskMemFree(pOldData);
 135     }
 136     memcpy(v->pData + v->current, pData, size);
 137     v->current += size;
 138     return index;
 139 }
 140
 141 static int find_data(struct Vector * v, const BYTE * pData, int size)
 142 {
 143     int index;
 144     for (index = 0; index < v->current; index++)
 145         if (!memcmp(v->pData + index, pData, size))
 146             return index;
 147     /* not found */
 148     return -1;
 149 }
 150
 151 static void delete_vector(struct Vector * v)
 152 {
 153     if (v->pData)
 154         CoTaskMemFree(v->pData);
 155     v->current = 0;
 156     v->capacity = 0;
 157 }
 158
 159 HRESULT FilterMapper2_create(IUnknown *pUnkOuter, LPVOID *ppObj)
 160 {
 161     FilterMapper2Impl * pFM2impl;
 162
 163     TRACE("(%p, %p)\n", pUnkOuter, ppObj);
 164
 165     if (pUnkOuter)
 166         return CLASS_E_NOAGGREGATION;
 167
 168     pFM2impl = CoTaskMemAlloc(sizeof(*pFM2impl));
 169     if (!pFM2impl)
 170         return E_OUTOFMEMORY;
 171
 172     pFM2impl->lpVtbl = &fm2vtbl;
 173     pFM2impl->lpVtblFilterMapper = &fmvtbl;
 174     pFM2impl->refCount = 1;
 175
 176     *ppObj = pFM2impl;
 177
 178     TRACE("-- created at %p\n", pFM2impl);
 179
 180     return S_OK;
 181 }
 182
 183 /*** IUnknown methods ***/
 184
 185 static HRESULT WINAPI FilterMapper2_QueryInterface(IFilterMapper2 * iface, REFIID riid, LPVOID *ppv)
 186 {
 187     FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
 188
 189     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
 190
 191     *ppv = NULL;
 192
 193     if (IsEqualIID(riid, &IID_IUnknown))
 194         *ppv = iface;
 195     else if (IsEqualIID(riid, &IID_IFilterMapper2))
 196         *ppv = iface;
 197     else if (IsEqualIID(riid, &IID_IFilterMapper))
 198         *ppv = &This->lpVtblFilterMapper;
 199
 200     if (*ppv != NULL)
 201     {
 202         IUnknown_AddRef((IUnknown *)*ppv);
 203         return S_OK;
 204     }
 205
 206     FIXME("No interface for %s\n", debugstr_guid(riid));
 207     return E_NOINTERFACE;
 208 }
 209
 210 static ULONG WINAPI FilterMapper2_AddRef(IFilterMapper2 * iface)
 211 {
 212     FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
 213     ULONG refCount = InterlockedIncrement(&This->refCount);
 214
 215     TRACE("(%p)->()\n", iface);
 216
 217     return refCount;
 218 }
 219
 220 static ULONG WINAPI FilterMapper2_Release(IFilterMapper2 * iface)
 221 {
 222     FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
 223     ULONG refCount = InterlockedDecrement(&This->refCount);
 224
 225     TRACE("(%p)->()\n", iface);
 226
 227     if (refCount == 0)
 228     {
 229         CoTaskMemFree(This);
 230         return 0;
 231     }
 232     return refCount;
 233 }
 234
 235 /*** IFilterMapper2 methods ***/
 236
 237 static HRESULT WINAPI FilterMapper2_CreateCategory(
 238     IFilterMapper2 * iface,
 239     REFCLSID clsidCategory,
 240     DWORD dwCategoryMerit,
 241     LPCWSTR szDescription)
 242 {
 243     LPWSTR wClsidAMCat = NULL;
 244     LPWSTR wClsidCategory = NULL;
 245     WCHAR wszKeyName[strlenW(wszClsidSlash) + strlenW(wszSlashInstance) + (CHARS_IN_GUID-1) * 2 + 1];
 246     HKEY hKey = NULL;
 247     HRESULT hr;
 248
 249     TRACE("(%s, %lx, %s)\n", debugstr_guid(clsidCategory), dwCategoryMerit, debugstr_w(szDescription));
 250
 251     hr = StringFromCLSID(&CLSID_ActiveMovieCategories, &wClsidAMCat);
 252
 253     if (SUCCEEDED(hr))
 254     {
 255         hr = StringFromCLSID(clsidCategory, &wClsidCategory);
 256     }
 257
 258     if (SUCCEEDED(hr))
 259     {
 260         strcpyW(wszKeyName, wszClsidSlash);
 261         strcatW(wszKeyName, wClsidAMCat);
 262         strcatW(wszKeyName, wszSlashInstance);
 263         strcatW(wszKeyName, wClsidCategory);
 264
 265         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL));
 266     }
 267
 268     if (SUCCEEDED(hr))
 269     {
 270         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, wszFriendlyName, 0, REG_SZ, (const BYTE*)szDescription, (strlenW(szDescription) + 1) * sizeof(WCHAR)));
 271     }
 272
 273     if (SUCCEEDED(hr))
 274     {
 275         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, wszClsidName, 0, REG_SZ, (LPBYTE)wClsidCategory, (strlenW(wClsidCategory) + 1) * sizeof(WCHAR)));
 276     }
 277
 278     if (SUCCEEDED(hr))
 279     {
 280         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, wszMeritName, 0, REG_DWORD, (LPBYTE)&dwCategoryMerit, sizeof(dwCategoryMerit)));
 281     }
 282
 283     CloseHandle(hKey);
 284
 285     if (wClsidCategory)
 286         CoTaskMemFree(wClsidCategory);
 287     if (wClsidAMCat)
 288         CoTaskMemFree(wClsidAMCat);
 289
 290     return hr;
 291 }
 292
 293 static HRESULT WINAPI FilterMapper2_UnregisterFilter(
 294     IFilterMapper2 * iface,
 295     const CLSID *pclsidCategory,
 296     const OLECHAR *szInstance,
 297     REFCLSID Filter)
 298 {
 299     WCHAR wszKeyName[MAX_PATH];
 300     LPWSTR wClsidCategory = NULL;
 301     LPWSTR wFilter = NULL;
 302     HRESULT hr;
 303
 304     TRACE("(%p, %s, %s)\n", pclsidCategory, debugstr_w(szInstance), debugstr_guid(Filter));
 305
 306     if (!pclsidCategory)
 307         pclsidCategory = &CLSID_LegacyAmFilterCategory;
 308
 309     hr = StringFromCLSID(pclsidCategory, &wClsidCategory);
 310
 311     if (SUCCEEDED(hr))
 312     {
 313         strcpyW(wszKeyName, wszClsidSlash);
 314         strcatW(wszKeyName, wClsidCategory);
 315         strcatW(wszKeyName, wszSlashInstance);
 316         if (szInstance)
 317             strcatW(wszKeyName, szInstance);
 318         else
 319         {
 320             hr = StringFromCLSID(Filter, &wFilter);
 321             if (SUCCEEDED(hr))
 322                 strcatW(wszKeyName, wFilter);
 323         }
 324     }
 325
 326     if (SUCCEEDED(hr))
 327     {
 328         hr = HRESULT_FROM_WIN32(RegDeleteKeyW(HKEY_CLASSES_ROOT, wszKeyName));
 329     }
 330
 331     if (wClsidCategory)
 332         CoTaskMemFree(wClsidCategory);
 333     if (wFilter)
 334         CoTaskMemFree(wFilter);
 335
 336     return hr;
 337 }
 338
 339 static HRESULT FM2_WriteFriendlyName(IPropertyBag * pPropBag, LPCWSTR szName)
 340 {
 341     VARIANT var;
 342
 343     V_VT(&var) = VT_BSTR;
 344     V_UNION(&var, bstrVal) = (BSTR)szName;
 345
 346     return IPropertyBag_Write(pPropBag, wszFriendlyName, &var);
 347 }
 348
 349 static HRESULT FM2_WriteClsid(IPropertyBag * pPropBag, REFCLSID clsid)
 350 {
 351     LPWSTR wszClsid = NULL;
 352     VARIANT var;
 353     HRESULT hr;
 354
 355     hr = StringFromCLSID(clsid, &wszClsid);
 356
 357     if (SUCCEEDED(hr))
 358     {
 359         V_VT(&var) = VT_BSTR;
 360         V_UNION(&var, bstrVal) = wszClsid;
 361         hr = IPropertyBag_Write(pPropBag, wszClsidName, &var);
 362     }
 363     if (wszClsid)
 364         CoTaskMemFree(wszClsid);
 365     return hr;
 366 }
 367
 368 static HRESULT FM2_WriteFilterData(IPropertyBag * pPropBag, const REGFILTER2 * prf2)
 369 {
 370     VARIANT var;
 371     int size = sizeof(struct REG_RF);
 372     unsigned int i;
 373     struct Vector mainStore = {NULL, 0, 0};
 374     struct Vector clsidStore = {NULL, 0, 0};
 375     struct REG_RF rrf;
 376     SAFEARRAY * psa;
 377     SAFEARRAYBOUND saBound;
 378     HRESULT hr = S_OK;
 379
 380     rrf.dwVersion = prf2->dwVersion;
 381     rrf.dwMerit = prf2->dwMerit;
 382     rrf.dwPins = prf2->u.s1.cPins2;
 383     rrf.dwUnused = 0;
 384
 385     add_data(&mainStore, (LPBYTE)&rrf, sizeof(rrf));
 386
 387     for (i = 0; i < prf2->u.s1.cPins2; i++)
 388     {
 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);
 394     }
 395
 396     for (i = 0; i < prf2->u.s1.cPins2; i++)
 397     {
 398         struct REG_RFP rrfp;
 399         REGFILTERPINS2 rgPin2 = prf2->u.s1.rgPins2[i];
 400         unsigned int j;
 401
 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;
 412
 413         add_data(&mainStore, (LPBYTE)&rrfp, sizeof(rrfp));
 414         if (rrfp.bCategory)
 415         {
 416             DWORD index = find_data(&clsidStore, (const BYTE*)rgPin2.clsPinCategory, sizeof(CLSID));
 417             if (index == -1)
 418                 index = add_data(&clsidStore, (const BYTE*)rgPin2.clsPinCategory, sizeof(CLSID));
 419             index += size;
 420
 421             add_data(&mainStore, (LPBYTE)&index, sizeof(index));
 422         }
 423
 424         for (j = 0; j < rgPin2.nMediaTypes; j++)
 425         {
 426             struct REG_TYPE rt;
 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;
 432
 433             rt.dwUnused = 0;
 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;
 442
 443             add_data(&mainStore, (LPBYTE)&rt, sizeof(rt));
 444         }
 445
 446         for (j = 0; j < rgPin2.nMediums; j++)
 447         {
 448             DWORD index = find_data(&clsidStore, (const BYTE*)(rgPin2.lpMedium + j), sizeof(REGPINMEDIUM));
 449             if (index == -1)
 450                 index = add_data(&clsidStore, (const BYTE*)(rgPin2.lpMedium + j), sizeof(REGPINMEDIUM));
 451             index += size;
 452
 453             add_data(&mainStore, (LPBYTE)&index, sizeof(index));
 454         }
 455     }
 456
 457     saBound.lLbound = 0;
 458     saBound.cElements = mainStore.current + clsidStore.current;
 459     psa = SafeArrayCreate(VT_UI1, 1, &saBound);
 460     if (!psa)
 461     {
 462         ERR("Couldn't create SAFEARRAY\n");
 463         hr = E_FAIL;
 464     }
 465
 466     if (SUCCEEDED(hr))
 467     {
 468         LPBYTE pbSAData;
 469         hr = SafeArrayAccessData(psa, (LPVOID *)&pbSAData);
 470         if (SUCCEEDED(hr))
 471         {
 472             memcpy(pbSAData, mainStore.pData, mainStore.current);
 473             memcpy(pbSAData + mainStore.current, clsidStore.pData, clsidStore.current);
 474             hr = SafeArrayUnaccessData(psa);
 475         }
 476     }
 477
 478     V_VT(&var) = VT_ARRAY | VT_UI1;
 479     V_UNION(&var, parray) = psa;
 480
 481     if (SUCCEEDED(hr))
 482         hr = IPropertyBag_Write(pPropBag, wszFilterDataName, &var);
 483
 484     if (psa)
 485         SafeArrayDestroy(psa);
 486
 487     delete_vector(&mainStore);
 488     delete_vector(&clsidStore);
 489     return hr;
 490 }
 491
 492 static HRESULT FM2_ReadFilterData(IPropertyBag * pPropBag, REGFILTER2 * prf2)
 493 {
 494     VARIANT var;
 495     HRESULT hr;
 496     LPBYTE pData = NULL;
 497     struct REG_RF * prrf;
 498     LPBYTE pCurrent;
 499     DWORD i;
 500     REGFILTERPINS2 * rgPins2;
 501
 502     VariantInit(&var);
 503     V_VT(&var) = VT_ARRAY | VT_UI1;
 504
 505     hr = IPropertyBag_Read(pPropBag, wszFilterDataName, &var, NULL);
 506
 507     if (SUCCEEDED(hr))
 508         hr = SafeArrayAccessData(V_UNION(&var, parray), (LPVOID*)&pData);
 509
 510     if (SUCCEEDED(hr))
 511     {
 512         prrf = (struct REG_RF *)pData;
 513         pCurrent = pData;
 514
 515         if (prrf->dwVersion != 2)
 516         {
 517             FIXME("Filter registry version %ld not supported\n", prrf->dwVersion);
 518             ZeroMemory(prf2, sizeof(*prf2));
 519             hr = E_FAIL;
 520         }
 521     }
 522
 523     if (SUCCEEDED(hr))
 524     {
 525         TRACE("version = %ld, merit = %lx, #pins = %ld, unused = %lx\n",
 526             prrf->dwVersion, prrf->dwMerit, prrf->dwPins, prrf->dwUnused);
 527
 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);
 534
 535         for (i = 0; i < prrf->dwPins; i++)
 536         {
 537             struct REG_RFP * prrfp = (struct REG_RFP *)pCurrent;
 538             REGPINTYPES * lpMediaType;
 539             REGPINMEDIUM * lpMedium;
 540             UINT j;
 541
 542             /* FIXME: check signature */
 543
 544             TRACE("\tsignature = %s\n", debugstr_an(prrfp->signature, 4));
 545
 546             TRACE("\tpin[%ld]: flags = %lx, instances = %ld, media types = %ld, mediums = %ld\n",
 547                 i, prrfp->dwFlags, prrfp->dwInstances, prrfp->dwMediaTypes, prrfp->dwMediums);
 548
 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)
 555             {
 556                 CLSID * clsCat = CoTaskMemAlloc(sizeof(CLSID));
 557                 memcpy(clsCat, pData + *(DWORD*)(pCurrent), sizeof(CLSID));
 558                 pCurrent += sizeof(DWORD);
 559                 rgPins2[i].clsPinCategory = clsCat;
 560             }
 561             else
 562                 rgPins2[i].clsPinCategory = NULL;
 563
 564             if (rgPins2[i].nMediaTypes > 0)
 565                 lpMediaType = CoTaskMemAlloc(rgPins2[i].nMediaTypes * sizeof(*lpMediaType));
 566             else
 567                 lpMediaType = NULL;
 568
 569             rgPins2[i].lpMediaType = lpMediaType;
 570
 571             for (j = 0; j < rgPins2[i].nMediaTypes; j++)
 572             {
 573                 struct REG_TYPE * prt = (struct REG_TYPE *)pCurrent;
 574                 CLSID * clsMajor = CoTaskMemAlloc(sizeof(CLSID));
 575                 CLSID * clsMinor = CoTaskMemAlloc(sizeof(CLSID));
 576
 577                 /* FIXME: check signature */
 578                 TRACE("\t\tsignature = %s\n", debugstr_an(prt->signature, 4));
 579
 580                 memcpy(clsMajor, pData + prt->dwOffsetMajor, sizeof(CLSID));
 581                 memcpy(clsMinor, pData + prt->dwOffsetMinor, sizeof(CLSID));
 582
 583                 lpMediaType[j].clsMajorType = clsMajor;
 584                 lpMediaType[j].clsMinorType = clsMinor;
 585
 586                 pCurrent += sizeof(*prt);
 587             }
 588
 589             if (rgPins2[i].nMediums > 0)
 590                 lpMedium = CoTaskMemAlloc(rgPins2[i].nMediums * sizeof(*lpMedium));
 591             else
 592                 lpMedium = NULL;
 593
 594             rgPins2[i].lpMedium = lpMedium;
 595
 596             for (j = 0; j < rgPins2[i].nMediums; j++)
 597             {
 598                 DWORD dwOffset = *(DWORD *)pCurrent;
 599
 600                 memcpy(lpMedium + j, pData + dwOffset, sizeof(REGPINMEDIUM));
 601
 602                 pCurrent += sizeof(dwOffset);
 603             }
 604         }
 605
 606     }
 607
 608     if (pData)
 609         SafeArrayUnaccessData(V_UNION(&var, parray));
 610
 611     VariantClear(&var);
 612
 613     return hr;
 614 }
 615
 616 static void FM2_DeleteRegFilter(REGFILTER2 * prf2)
 617 {
 618     UINT i;
 619     for (i = 0; i < prf2->u.s1.cPins2; i++)
 620     {
 621         UINT j;
 622         if (prf2->u.s1.rgPins2[i].clsPinCategory)
 623             CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].clsPinCategory);
 624
 625         for (j = 0; j < prf2->u.s1.rgPins2[i].nMediaTypes; j++)
 626         {
 627             CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMediaType[j].clsMajorType);
 628             CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMediaType[j].clsMinorType);
 629         }
 630         CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMedium);
 631     }
 632 }
 633
 634 static HRESULT WINAPI FilterMapper2_RegisterFilter(
 635     IFilterMapper2 * iface,
 636     REFCLSID clsidFilter,
 637     LPCWSTR szName,
 638     IMoniker **ppMoniker,
 639     const CLSID *pclsidCategory,
 640     const OLECHAR *szInstance,
 641     const REGFILTER2 *prf2)
 642 {
 643     IParseDisplayName * pParser = NULL;
 644     IBindCtx * pBindCtx = NULL;
 645     IMoniker * pMoniker = NULL;
 646     IPropertyBag * pPropBag = NULL;
 647     HRESULT hr;
 648     LPWSTR pwszParseName = NULL;
 649     LPWSTR pCurrent;
 650     static const WCHAR wszDevice[] = {'@','d','e','v','i','c','e',':','s','w',':',0};
 651     int nameLen;
 652     ULONG ulEaten;
 653     LPWSTR szClsidTemp = NULL;
 654     REGFILTER2 regfilter2;
 655     REGFILTERPINS2* pregfp2 = NULL;
 656
 657     TRACE("(%s, %s, %p, %s, %s, %p)\n",
 658         debugstr_guid(clsidFilter),
 659         debugstr_w(szName),
 660         ppMoniker,
 661         debugstr_guid(pclsidCategory),
 662         debugstr_w(szInstance),
 663         prf2);
 664
 665     if (prf2->dwVersion == 2)
 666     {
 667         regfilter2 = *prf2;
 668     }
 669     else if (prf2->dwVersion == 1)
 670     {
 671         ULONG i;
 672         DWORD flags;
 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++)
 680         {
 681             flags = 0;
 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;
 697         }
 698     }
 699     else
 700     {
 701         FIXME("dwVersion other that 1 or 2 not supported at the moment\n");
 702         return E_NOTIMPL;
 703     }
 704
 705     if (ppMoniker)
 706         *ppMoniker = NULL;
 707
 708     if (!pclsidCategory)
 709         /* MSDN mentions the inexistent CLSID_ActiveMovieFilters GUID.
 710          * In fact this is the CLSID_LegacyAmFilterCategory one */
 711         pclsidCategory = &CLSID_LegacyAmFilterCategory;
 712
 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
 716      */
 717     nameLen = sizeof(wszDevice)/sizeof(wszDevice[0]) + CHARS_IN_GUID - 1 + 1;
 718
 719     if (szInstance)
 720         nameLen += strlenW(szInstance);
 721     else
 722         nameLen += CHARS_IN_GUID - 1; /* CHARS_IN_GUID includes null terminator */
 723
 724     pCurrent = pwszParseName = CoTaskMemAlloc(nameLen*sizeof(WCHAR));
 725     if (!pwszParseName)
 726         return E_OUTOFMEMORY;
 727
 728     strcpyW(pwszParseName, wszDevice);
 729     pCurrent += strlenW(wszDevice);
 730
 731     hr = StringFromCLSID(pclsidCategory, &szClsidTemp);
 732
 733     if (SUCCEEDED(hr))
 734     {
 735         memcpy(pCurrent, szClsidTemp, CHARS_IN_GUID * sizeof(WCHAR));
 736         pCurrent += CHARS_IN_GUID - 1;
 737         pCurrent[0] = '\\';
 738
 739         if (szInstance)
 740             strcpyW(pCurrent+1, szInstance);
 741         else
 742         {
 743             if (szClsidTemp)
 744             {
 745                 CoTaskMemFree(szClsidTemp);
 746                 szClsidTemp = NULL;
 747             }
 748             hr = StringFromCLSID(clsidFilter, &szClsidTemp);
 749             if (SUCCEEDED(hr))
 750                 strcpyW(pCurrent+1, szClsidTemp);
 751         }
 752     }
 753
 754     if (SUCCEEDED(hr))
 755         hr = CoCreateInstance(&CLSID_CDeviceMoniker, NULL, CLSCTX_INPROC, &IID_IParseDisplayName, (LPVOID *)&pParser);
 756
 757     if (SUCCEEDED(hr))
 758         hr = CreateBindCtx(0, &pBindCtx);
 759
 760     if (SUCCEEDED(hr))
 761         hr = IParseDisplayName_ParseDisplayName(pParser, pBindCtx, pwszParseName, &ulEaten, &pMoniker);
 762
 763     if (pBindCtx)
 764         IBindCtx_Release(pBindCtx);
 765     if (pParser)
 766         IParseDisplayName_Release(pParser);
 767
 768     if (SUCCEEDED(hr))
 769         hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID)&pPropBag);
 770
 771     if (SUCCEEDED(hr))
 772         hr = FM2_WriteFriendlyName(pPropBag, szName);
 773
 774     if (SUCCEEDED(hr))
 775         hr = FM2_WriteClsid(pPropBag, clsidFilter);
 776
 777     if (SUCCEEDED(hr))
 778         hr = FM2_WriteFilterData(pPropBag, &regfilter2);
 779
 780     if (pPropBag)
 781         IPropertyBag_Release(pPropBag);
 782     if (szClsidTemp)
 783         CoTaskMemFree(szClsidTemp);
 784
 785     if (SUCCEEDED(hr) && ppMoniker)
 786         *ppMoniker = pMoniker;
 787     else if (pMoniker)
 788         IMoniker_Release(pMoniker);
 789
 790     if (pregfp2)
 791         CoTaskMemFree(pregfp2);
 792
 793     TRACE("-- returning %lx\n", hr);
 794
 795     return hr;
 796 }
 797
 798 /* internal helper function */
 799 static BOOL MatchTypes(
 800     BOOL bExactMatch,
 801     DWORD nPinTypes,
 802     const REGPINTYPES * pPinTypes,
 803     DWORD nMatchTypes,
 804     const GUID * pMatchTypes)
 805 {
 806     BOOL bMatch = FALSE;
 807     DWORD j;
 808
 809     if ((nMatchTypes == 0) && (nPinTypes > 0))
 810         bMatch = TRUE;
 811
 812     for (j = 0; j < nPinTypes; j++)
 813     {
 814         DWORD i;
 815         for (i = 0; i < nMatchTypes*2; i+=2)
 816         {
 817             if (((!bExactMatch && IsEqualGUID(pPinTypes[j].clsMajorType, &GUID_NULL)) || IsEqualGUID(&pMatchTypes[i], &GUID_NULL) || IsEqualGUID(pPinTypes[j].clsMajorType, &pMatchTypes[i])) &&
 818                 ((!bExactMatch && IsEqualGUID(pPinTypes[j].clsMinorType, &GUID_NULL)) || IsEqualGUID(&pMatchTypes[i+1], &GUID_NULL) || IsEqualGUID(pPinTypes[j].clsMinorType, &pMatchTypes[i+1])))
 819             {
 820                 bMatch = TRUE;
 821                 break;
 822             }
 823         }
 824     }
 825     return bMatch;
 826 }
 827
 828 /* internal helper function for qsort of MONIKER_MERIT array */
 829 static int mm_compare(const void * left, const void * right)
 830 {
 831     const struct MONIKER_MERIT * mmLeft = (const struct MONIKER_MERIT *)left;
 832     const struct MONIKER_MERIT * mmRight = (const struct MONIKER_MERIT *)right;
 833
 834     if (mmLeft->dwMerit == mmRight->dwMerit)
 835         return 0;
 836     if (mmLeft->dwMerit > mmRight->dwMerit)
 837         return -1;
 838     return 1;
 839 }
 840
 841 /* NOTES:
 842  *   Exact match means whether or not to treat GUID_NULL's in filter data as wild cards
 843  *    (GUID_NULL's in input to function automatically treated as wild cards)
 844  *   Input/Output needed means match only on criteria if TRUE (with zero input types
 845  *    meaning match any input/output pin as long as one exists), otherwise match any
 846  *    filter that meets the rest of the requirements.
 847  */
 848 static HRESULT WINAPI FilterMapper2_EnumMatchingFilters(
 849     IFilterMapper2 * iface,
 850     IEnumMoniker **ppEnum,
 851     DWORD dwFlags,
 852     BOOL bExactMatch,
 853     DWORD dwMerit,
 854     BOOL bInputNeeded,
 855     DWORD cInputTypes,
 856     const GUID *pInputTypes,
 857     const REGPINMEDIUM *pMedIn,
 858     const CLSID *pPinCategoryIn,
 859     BOOL bRender,
 860     BOOL bOutputNeeded,
 861     DWORD cOutputTypes,
 862     const GUID *pOutputTypes,
 863     const REGPINMEDIUM *pMedOut,
 864     const CLSID *pPinCategoryOut)
 865 {
 866     ICreateDevEnum * pCreateDevEnum;
 867     IMoniker * pMonikerCat;
 868     IEnumMoniker * pEnumCat;
 869     HRESULT hr;
 870     struct Vector monikers = {NULL, 0, 0};
 871
 872     TRACE("(%p, %lx, %s, %lx, %s, %ld, %p, %p, %p, %s, %s, %p, %p, %p)\n",
 873         ppEnum,
 874         dwFlags,
 875         bExactMatch ? "true" : "false",
 876         dwMerit,
 877         bInputNeeded ? "true" : "false",
 878         cInputTypes,
 879         pInputTypes,
 880         pMedIn,
 881         pPinCategoryIn,
 882         bRender ? "true" : "false",
 883         bOutputNeeded ? "true" : "false",
 884         pOutputTypes,
 885         pMedOut,
 886         pPinCategoryOut);
 887
 888     if (dwFlags != 0)
 889     {
 890         FIXME("dwFlags = %lx not implemented\n", dwFlags);
 891     }
 892
 893     *ppEnum = NULL;
 894
 895     hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, &IID_ICreateDevEnum, (LPVOID*)&pCreateDevEnum);
 896
 897     if (SUCCEEDED(hr))
 898         hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEnumCat, 0);
 899
 900     while (IEnumMoniker_Next(pEnumCat, 1, &pMonikerCat, NULL) == S_OK)
 901     {
 902         IPropertyBag * pPropBagCat = NULL;
 903         VARIANT var;
 904         HRESULT hrSub; /* this is so that one buggy filter
 905                           doesn't make the whole lot fail */
 906
 907         VariantInit(&var);
 908
 909         hrSub = IMoniker_BindToStorage(pMonikerCat, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
 910
 911         if (SUCCEEDED(hrSub))
 912             hrSub = IPropertyBag_Read(pPropBagCat, wszMeritName, &var, NULL);
 913
 914         if (SUCCEEDED(hrSub) && (V_UNION(&var, ulVal) >= dwMerit))
 915         {
 916             CLSID clsidCat;
 917             IEnumMoniker * pEnum;
 918             IMoniker * pMoniker;
 919
 920             VariantClear(&var);
 921
 922             if (TRACE_ON(quartz))
 923             {
 924                 VARIANT temp;
 925                 V_VT(&temp) = VT_EMPTY;
 926                 IPropertyBag_Read(pPropBagCat, wszFriendlyName, &temp, NULL);
 927                 TRACE("Considering category %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
 928                 VariantClear(&temp);
 929             }
 930
 931             hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
 932
 933             if (SUCCEEDED(hrSub))
 934                 hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsidCat);
 935
 936             if (SUCCEEDED(hrSub))
 937                 hrSub = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &clsidCat, &pEnum, 0);
 938
 939             if (hrSub == S_OK)
 940             {
 941                 while (IEnumMoniker_Next(pEnum, 1, &pMoniker, NULL) == S_OK)
 942                 {
 943                     IPropertyBag * pPropBag = NULL;
 944                     REGFILTER2 rf2;
 945                     DWORD i;
 946                     BOOL bInputMatch = !bInputNeeded;
 947                     BOOL bOutputMatch = !bOutputNeeded;
 948
 949                     ZeroMemory(&rf2, sizeof(rf2));
 950
 951                     hrSub = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBag);
 952
 953                     if (TRACE_ON(quartz))
 954                     {
 955                         VARIANT temp;
 956                         V_VT(&temp) = VT_EMPTY;
 957                         IPropertyBag_Read(pPropBag, wszFriendlyName, &temp, NULL);
 958                         TRACE("Considering filter %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
 959                         VariantClear(&temp);
 960                     }
 961
 962                     if (SUCCEEDED(hrSub))
 963                         hrSub = FM2_ReadFilterData(pPropBag, &rf2);
 964
 965                     /* Logic used for bInputMatch expression:
 966                      * There exists some pin such that bInputNeeded implies (pin is an input and
 967                      * (bRender implies pin has render flag) and major/minor types members of
 968                      * pInputTypes )
 969                      * bOutputMatch is similar, but without the "bRender implies ..." part
 970                      * and substituting variables names containing input for output
 971                      */
 972
 973                     /* determine whether filter meets requirements */
 974                     if (SUCCEEDED(hrSub) && (rf2.dwMerit >= dwMerit))
 975                     {
 976                         for (i = 0; (i < rf2.u.s1.cPins2) && (!bInputMatch || !bOutputMatch); i++)
 977                         {
 978                             const REGFILTERPINS2 * rfp2 = rf2.u.s1.rgPins2 + i;
 979
 980                             bInputMatch = bInputMatch || (!(rfp2->dwFlags & REG_PINFLAG_B_OUTPUT) &&
 981                                 (!bRender || (rfp2->dwFlags & REG_PINFLAG_B_RENDERER)) &&
 982                                 MatchTypes(bExactMatch, rfp2->nMediaTypes, rfp2->lpMediaType, cInputTypes, pInputTypes));
 983                             bOutputMatch = bOutputMatch || ((rfp2->dwFlags & REG_PINFLAG_B_OUTPUT) &&
 984                                 MatchTypes(bExactMatch, rfp2->nMediaTypes, rfp2->lpMediaType, cOutputTypes, pOutputTypes));
 985                         }
 986
 987                         if (bInputMatch && bOutputMatch)
 988                         {
 989                             struct MONIKER_MERIT mm = {pMoniker, rf2.dwMerit};
 990                             IMoniker_AddRef(pMoniker);
 991                             add_data(&monikers, (LPBYTE)&mm, sizeof(mm));
 992                         }
 993                     }
 994
 995                     FM2_DeleteRegFilter(&rf2);
 996                     if (pPropBag)
 997                         IPropertyBag_Release(pPropBag);
 998                     IMoniker_Release(pMoniker);
 999                 }
1000                 IEnumMoniker_Release(pEnum);
1001             }
1002         }
1003
1004         VariantClear(&var);
1005         if (pPropBagCat)
1006             IPropertyBag_Release(pPropBagCat);
1007         IMoniker_Release(pMonikerCat);
1008     }
1009
1010     if (SUCCEEDED(hr))
1011     {
1012         IMoniker ** ppMoniker;
1013         unsigned int i;
1014         ULONG nMonikerCount = monikers.current / sizeof(struct MONIKER_MERIT);
1015
1016         /* sort the monikers in descending merit order */
1017         qsort(monikers.pData, nMonikerCount,
1018               sizeof(struct MONIKER_MERIT),
1019               mm_compare);
1020
1021         /* construct an IEnumMoniker interface */
1022         ppMoniker = CoTaskMemAlloc(nMonikerCount * sizeof(IMoniker *));
1023         for (i = 0; i < nMonikerCount; i++)
1024         {
1025             /* no need to AddRef here as already AddRef'd above */
1026             ppMoniker[i] = ((struct MONIKER_MERIT *)monikers.pData)[i].pMoniker;
1027         }
1028         hr = EnumMonikerImpl_Create(ppMoniker, nMonikerCount, ppEnum);
1029         CoTaskMemFree(ppMoniker);
1030     }
1031
1032     delete_vector(&monikers);
1033     IEnumMoniker_Release(pEnumCat);
1034     ICreateDevEnum_Release(pCreateDevEnum);
1035
1036     return hr;
1037 }
1038
1039 static IFilterMapper2Vtbl fm2vtbl =
1040 {
1041
1042     FilterMapper2_QueryInterface,
1043     FilterMapper2_AddRef,
1044     FilterMapper2_Release,
1045
1046     FilterMapper2_CreateCategory,
1047     FilterMapper2_UnregisterFilter,
1048     FilterMapper2_RegisterFilter,
1049     FilterMapper2_EnumMatchingFilters
1050 };
1051
1052 /*** IUnknown methods ***/
1053
1054 static HRESULT WINAPI FilterMapper_QueryInterface(IFilterMapper * iface, REFIID riid, LPVOID *ppv)
1055 {
1056     ICOM_THIS_From_IFilterMapper(FilterMapper2Impl, iface);
1057
1058     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1059
1060     return FilterMapper2_QueryInterface((IFilterMapper2*)&This->lpVtbl, riid, ppv);
1061 }
1062
1063 static ULONG WINAPI FilterMapper_AddRef(IFilterMapper * iface)
1064 {
1065     ICOM_THIS_From_IFilterMapper(FilterMapper2Impl, iface);
1066
1067     return FilterMapper2_AddRef((IFilterMapper2*)This);
1068 }
1069
1070 static ULONG WINAPI FilterMapper_Release(IFilterMapper * iface)
1071 {
1072     ICOM_THIS_From_IFilterMapper(FilterMapper2Impl, iface);
1073
1074     return FilterMapper2_Release((IFilterMapper2*)This);
1075 }
1076
1077 /*** IFilterMapper methods ***/
1078
1079 static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
1080     IFilterMapper * iface,
1081     IEnumRegFilters **ppEnum,
1082     DWORD dwMerit,
1083     BOOL bInputNeeded,
1084     CLSID clsInMaj,
1085     CLSID clsInSub,
1086     BOOL bRender,
1087     BOOL bOutputNeeded,
1088     CLSID clsOutMaj,
1089     CLSID clsOutSub)
1090 {
1091     ICOM_THIS_From_IFilterMapper(FilterMapper2Impl, iface);
1092     GUID InputType[2];
1093     GUID OutputType[2];
1094     IEnumMoniker* ppEnumMoniker;
1095     IMoniker* IMon;
1096     ULONG nb;
1097     ULONG idx = 0, nb_mon = 0;
1098     REGFILTER* regfilters;
1099     HRESULT hr;
1100
1101     TRACE("(%p/%p)->(%p, %lx, %s, %s, %s, %s, %s, %s, %s) stub!\n",
1102         iface,This,
1103         ppEnum,
1104         dwMerit,
1105         bInputNeeded ? "true" : "false",
1106         debugstr_guid(&clsInMaj),
1107         debugstr_guid(&clsInSub),
1108         bRender ? "true" : "false",
1109         bOutputNeeded ? "true" : "false",
1110         debugstr_guid(&clsOutMaj),
1111         debugstr_guid(&clsOutSub));
1112
1113     InputType[0] = clsInMaj;
1114     InputType[1] = clsInSub;
1115     OutputType[0] = clsOutMaj;
1116     OutputType[1] = clsOutSub;
1117
1118     hr = IFilterMapper2_EnumMatchingFilters((IFilterMapper2*)This,
1119                                        &ppEnumMoniker,
1120                                        0,
1121                                        TRUE,
1122                                        dwMerit,
1123                                        bInputNeeded,
1124                                        1,
1125                                        InputType,
1126                                        NULL,
1127                                        &GUID_NULL,
1128                                        bRender,
1129                                        bOutputNeeded,
1130                                        1,
1131                                        OutputType,
1132                                        NULL,
1133                                        &GUID_NULL);
1134
1135     if (!SUCCEEDED(hr))
1136         return hr;
1137
1138     while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
1139     {
1140         IMoniker_Release(IMon);
1141         nb_mon++;
1142     }
1143
1144     *ppEnum = NULL;
1145     if (!nb_mon)
1146     {
1147         IEnumMoniker_Release(ppEnumMoniker);
1148         return IEnumRegFiltersImpl_Construct(NULL, 0, ppEnum);
1149     }
1150
1151     regfilters = CoTaskMemAlloc(nb_mon * sizeof(REGFILTER));
1152     if (!regfilters)
1153     {
1154         IEnumMoniker_Release(ppEnumMoniker);
1155         return E_OUTOFMEMORY;
1156     }
1157
1158     IEnumMoniker_Reset(ppEnumMoniker);
1159     while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
1160     {
1161         IPropertyBag * pPropBagCat = NULL;
1162         VARIANT var;
1163         HRESULT hrSub;
1164         GUID clsid;
1165         int len;
1166
1167         VariantInit(&var);
1168         V_VT(&var) = VT_BSTR;
1169
1170         hrSub = IMoniker_BindToStorage(IMon, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
1171
1172         if (SUCCEEDED(hrSub))
1173             hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
1174
1175         if (SUCCEEDED(hrSub))
1176             hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsid);
1177
1178         if (SUCCEEDED(hrSub))
1179             hrSub = IPropertyBag_Read(pPropBagCat, wszFriendlyName, &var, NULL);
1180
1181         if (SUCCEEDED(hrSub))
1182         {
1183             len = (strlenW((WCHAR*)&V_UNION(&var, bstrVal))+1) * sizeof(WCHAR);
1184             if (!(regfilters[idx].Name = CoTaskMemAlloc(len*2)))
1185                 hr = E_OUTOFMEMORY;
1186         }
1187
1188         if (SUCCEEDED(hrSub))
1189         {
1190             memcpy(regfilters[idx].Name, &V_UNION(&var, bstrVal), len);
1191             regfilters[idx].Clsid = clsid;
1192             idx++;
1193         }
1194
1195         if (pPropBagCat)
1196             IPropertyBag_Release(pPropBagCat);
1197         IMoniker_Release(IMon);
1198     }
1199
1200     /* In case of release all resources */
1201     if (!SUCCEEDED(hr))
1202     {
1203         for (idx = 0; idx < nb_mon; idx++)
1204             CoTaskMemFree(regfilters[idx].Name);
1205         CoTaskMemFree(regfilters);
1206         IEnumMoniker_Release(ppEnumMoniker);
1207         return hr;
1208     }
1209
1210     hr = IEnumRegFiltersImpl_Construct(regfilters, nb_mon, ppEnum);
1211     CoTaskMemFree(regfilters);
1212     IEnumMoniker_Release(ppEnumMoniker);
1213
1214     return hr;
1215 }
1216
1217
1218 static HRESULT WINAPI FilterMapper_RegisterFilter(IFilterMapper * iface, CLSID clsid, LPCWSTR szName, DWORD dwMerit)
1219 {
1220     HRESULT hr;
1221     LPWSTR wszClsid = NULL;
1222     HKEY hKey;
1223     WCHAR wszKeyName[strlenW(wszFilterSlash) + (CHARS_IN_GUID-1) + 1];
1224
1225     TRACE("(%p)->(%s, %s, %lx)\n", iface, debugstr_guid(&clsid), debugstr_w(szName), dwMerit);
1226
1227     hr = StringFromCLSID(&clsid, &wszClsid);
1228
1229     if (SUCCEEDED(hr))
1230     {
1231         strcpyW(wszKeyName, wszFilterSlash);
1232         strcatW(wszKeyName, wszClsid);
1233
1234         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL));
1235     }
1236
1237     if (SUCCEEDED(hr))
1238     {
1239         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, NULL, 0, REG_SZ, (const BYTE*)szName, strlenW(szName) + 1));
1240         CloseHandle(hKey);
1241     }
1242
1243     if (SUCCEEDED(hr))
1244     {
1245         strcpyW(wszKeyName, wszClsidSlash);
1246         strcatW(wszKeyName, wszClsid);
1247
1248         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL));
1249     }
1250
1251     if (SUCCEEDED(hr))
1252     {
1253         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, wszMeritName, 0, REG_DWORD, (LPBYTE)&dwMerit, sizeof(dwMerit)));
1254         CloseHandle(hKey);
1255     }
1256
1257     return hr;
1258 }
1259
1260 static HRESULT WINAPI FilterMapper_RegisterFilterInstance(IFilterMapper * iface, CLSID clsid, LPCWSTR szName, CLSID *MRId)
1261 {
1262     TRACE("(%p)->(%s, %s, %p)\n", iface, debugstr_guid(&clsid), debugstr_w(szName), MRId);
1263
1264     /* Not implemented in Windows (tested on Win2k) */
1265
1266     return E_NOTIMPL;
1267 }
1268
1269 static HRESULT WINAPI FilterMapper_RegisterPin(
1270     IFilterMapper * iface,
1271     CLSID Filter,
1272     LPCWSTR szName,
1273     BOOL bRendered,
1274     BOOL bOutput,
1275     BOOL bZero,
1276     BOOL bMany,
1277     CLSID ConnectsToFilter,
1278     LPCWSTR ConnectsToPin)
1279 {
1280     HRESULT hr;
1281     LPWSTR wszClsid = NULL;
1282     HKEY hKey = NULL;
1283     HKEY hPinsKey = NULL;
1284     WCHAR * wszPinsKeyName;
1285     WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1286
1287     TRACE("(%p)->(%s, %s, %d, %d, %d, %d, %s, %s)\n", iface, debugstr_guid(&Filter), debugstr_w(szName), bRendered,
1288                 bOutput, bZero, bMany, debugstr_guid(&ConnectsToFilter), debugstr_w(ConnectsToPin));
1289
1290     hr = StringFromCLSID(&Filter, &wszClsid);
1291
1292     if (SUCCEEDED(hr))
1293     {
1294         strcpyW(wszKeyName, wszClsidSlash);
1295         strcatW(wszKeyName, wszClsid);
1296
1297         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey));
1298     }
1299
1300     if (SUCCEEDED(hr))
1301     {
1302         wszPinsKeyName = CoTaskMemAlloc((strlenW(wszPins) + 1 + strlenW(szName) + 1) * 2);
1303         if (!wszPinsKeyName)
1304              hr = E_OUTOFMEMORY;
1305     }
1306
1307     if (SUCCEEDED(hr))
1308     {
1309         strcpyW(wszPinsKeyName, wszPins);
1310         strcatW(wszPinsKeyName, wszSlash);
1311         strcatW(wszPinsKeyName, szName);
1312
1313         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(hKey, wszPinsKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hPinsKey, NULL));
1314         CoTaskMemFree(wszPinsKeyName);
1315     }
1316
1317     if (SUCCEEDED(hr))
1318     {
1319         hr = HRESULT_FROM_WIN32(RegSetValueExW(hPinsKey, wszAllowedMany, 0, REG_DWORD, (LPBYTE)&bMany, sizeof(bMany)));
1320     }
1321
1322     if (SUCCEEDED(hr))
1323     {
1324         hr = HRESULT_FROM_WIN32(RegSetValueExW(hPinsKey, wszAllowedZero, 0, REG_DWORD, (LPBYTE)&bZero, sizeof(bZero)));
1325     }
1326
1327     if (SUCCEEDED(hr))
1328     {
1329         hr = HRESULT_FROM_WIN32(RegSetValueExW(hPinsKey, wszDirection, 0, REG_DWORD, (LPBYTE)&bOutput, sizeof(bOutput)));
1330     }
1331
1332     if (SUCCEEDED(hr))
1333     {
1334         hr = HRESULT_FROM_WIN32(RegSetValueExW(hPinsKey, wszIsRendered, 0, REG_DWORD, (LPBYTE)&bRendered, sizeof(bRendered)));
1335     }
1336
1337     if (SUCCEEDED(hr))
1338     {
1339         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(hPinsKey, wszTypes, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, NULL, NULL));
1340     }
1341
1342     if (wszClsid)
1343         CoTaskMemFree(wszClsid);
1344     if (hKey)
1345         CloseHandle(hKey);
1346     if (hPinsKey)
1347         CloseHandle(hPinsKey);
1348
1349     return hr;
1350 }
1351
1352
1353 static HRESULT WINAPI FilterMapper_RegisterPinType(
1354     IFilterMapper * iface,
1355     CLSID clsFilter,
1356     LPCWSTR szName,
1357     CLSID clsMajorType,
1358     CLSID clsSubType)
1359 {
1360     HRESULT hr;
1361     LPWSTR wszClsid = NULL;
1362     LPWSTR wszClsidMajorType = NULL;
1363     LPWSTR wszClsidSubType = NULL;
1364     HKEY hKey = NULL;
1365     WCHAR * wszTypesKey;
1366     WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1367
1368     TRACE("(%p)->(%s, %s, %s, %s)\n", iface, debugstr_guid(&clsFilter), debugstr_w(szName),
1369                     debugstr_guid(&clsMajorType), debugstr_guid(&clsSubType));
1370
1371     hr = StringFromCLSID(&clsFilter, &wszClsid);
1372
1373     if (SUCCEEDED(hr))
1374     {
1375         hr = StringFromCLSID(&clsMajorType, &wszClsidMajorType);
1376     }
1377
1378     if (SUCCEEDED(hr))
1379     {
1380         hr = StringFromCLSID(&clsSubType, &wszClsidSubType);
1381     }
1382
1383     if (SUCCEEDED(hr))
1384     {
1385         wszTypesKey = CoTaskMemAlloc((strlenW(wszClsidSlash) + strlenW(wszClsid) + strlenW(wszPins) +
1386                         strlenW(szName) + strlenW(wszTypes) + 3 + 1) * 2);
1387         if (!wszTypesKey)
1388             hr = E_OUTOFMEMORY;
1389     }
1390
1391     if (SUCCEEDED(hr))
1392     {
1393         strcpyW(wszTypesKey, wszClsidSlash);
1394         strcatW(wszTypesKey, wszClsid);
1395         strcatW(wszTypesKey, wszSlash);
1396         strcatW(wszTypesKey, wszPins);
1397         strcatW(wszTypesKey, wszSlash);
1398         strcatW(wszTypesKey, szName);
1399         strcatW(wszTypesKey, wszSlash);
1400         strcatW(wszTypesKey, wszTypes);
1401
1402         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszTypesKey, 0, KEY_WRITE, &hKey));
1403         CoTaskMemFree(wszTypesKey);
1404     }
1405
1406     if (SUCCEEDED(hr))
1407     {
1408         strcpyW(wszKeyName, wszClsidMajorType);
1409         strcatW(wszKeyName, wszSlash);
1410         strcatW(wszKeyName, wszClsidSubType);
1411
1412         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(hKey, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, NULL, NULL));
1413         CloseHandle(hKey);
1414     }
1415
1416     if (wszClsid)
1417         CoTaskMemFree(wszClsid);
1418     if (wszClsidMajorType)
1419         CoTaskMemFree(wszClsidMajorType);
1420     if (wszClsidSubType)
1421         CoTaskMemFree(wszClsidSubType);
1422
1423     return hr;
1424 }
1425
1426 static HRESULT WINAPI FilterMapper_UnregisterFilter(IFilterMapper * iface, CLSID Filter)
1427 {
1428     HRESULT hr;
1429     LPWSTR wszClsid = NULL;
1430     HKEY hKey;
1431     WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1432
1433     TRACE("(%p)->(%s)\n", iface, debugstr_guid(&Filter));
1434
1435     hr = StringFromCLSID(&Filter, &wszClsid);
1436
1437     if (SUCCEEDED(hr))
1438     {
1439         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszFilter, 0, KEY_WRITE, &hKey));
1440     }
1441
1442     if (SUCCEEDED(hr))
1443     {
1444         hr = HRESULT_FROM_WIN32(RegDeleteKeyW(hKey, wszClsid));
1445         CloseHandle(hKey);
1446     }
1447
1448     if (SUCCEEDED(hr))
1449     {
1450         strcpyW(wszKeyName, wszClsidSlash);
1451         strcatW(wszKeyName, wszClsid);
1452
1453         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey));
1454     }
1455
1456     if (SUCCEEDED(hr))
1457     {
1458         hr = HRESULT_FROM_WIN32(RegDeleteKeyW(hKey, wszMeritName));
1459         CloseHandle(hKey);
1460     }
1461
1462     if (wszClsid)
1463         CoTaskMemFree(wszClsid);
1464
1465     return hr;
1466 }
1467
1468 static HRESULT WINAPI FilterMapper_UnregisterFilterInstance(IFilterMapper * iface, CLSID MRId)
1469 {
1470     TRACE("(%p)->(%s)\n", iface, debugstr_guid(&MRId));
1471
1472     /* Not implemented in Windows (tested on Win2k) */
1473
1474     return E_NOTIMPL;
1475 }
1476
1477 static HRESULT WINAPI FilterMapper_UnregisterPin(IFilterMapper * iface, CLSID Filter, LPCWSTR Name)
1478 {
1479     HRESULT hr;
1480     LPWSTR wszClsid = NULL;
1481     HKEY hKey = NULL;
1482     WCHAR * wszPinNameKey;
1483     WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1484
1485     TRACE("(%p)->(%s, %s)\n", iface, debugstr_guid(&Filter), debugstr_w(Name));
1486
1487     if (!Name)
1488         return E_INVALIDARG;
1489
1490     hr = StringFromCLSID(&Filter, &wszClsid);
1491
1492     if (SUCCEEDED(hr))
1493     {
1494         strcpyW(wszKeyName, wszClsidSlash);
1495         strcatW(wszKeyName, wszClsid);
1496
1497         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey));
1498     }
1499
1500     if (SUCCEEDED(hr))
1501     {
1502         wszPinNameKey = CoTaskMemAlloc((strlenW(wszPins) + 1 + strlenW(Name) + 1) * 2);
1503         if (!wszPinNameKey)
1504             hr = E_OUTOFMEMORY;
1505     }
1506
1507     if (SUCCEEDED(hr))
1508     {
1509         strcpyW(wszPinNameKey, wszPins);
1510         strcatW(wszPinNameKey, wszSlash);
1511         strcatW(wszPinNameKey, Name);
1512
1513         hr = HRESULT_FROM_WIN32(RegDeleteKeyW(hKey, wszPinNameKey));
1514         CoTaskMemFree(wszPinNameKey);
1515     }
1516
1517     if (wszClsid)
1518         CoTaskMemFree(wszClsid);
1519     if (hKey)
1520         CloseHandle(hKey);
1521
1522     return hr;
1523 }
1524
1525 static IFilterMapperVtbl fmvtbl =
1526 {
1527
1528     FilterMapper_QueryInterface,
1529     FilterMapper_AddRef,
1530     FilterMapper_Release,
1531
1532     FilterMapper_RegisterFilter,
1533     FilterMapper_RegisterFilterInstance,
1534     FilterMapper_RegisterPin,
1535     FilterMapper_RegisterPinType,
1536     FilterMapper_UnregisterFilter,
1537     FilterMapper_UnregisterFilterInstance,
1538     FilterMapper_UnregisterPin,
1539     FilterMapper_EnumMatchingFilters
1540 };