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
 214     TRACE("(%p)->()\n", iface);
 215
 216     return InterlockedIncrement(&This->refCount);
 217 }
 218
 219 static ULONG WINAPI FilterMapper2_Release(IFilterMapper2 * iface)
 220 {
 221     FilterMapper2Impl *This = (FilterMapper2Impl *)iface;
 222
 223     TRACE("(%p)->()\n", iface);
 224
 225     if (InterlockedDecrement(&This->refCount) == 0)
 226     {
 227         CoTaskMemFree(This);
 228         return 0;
 229     }
 230     return This->refCount;
 231 }
 232
 233 /*** IFilterMapper2 methods ***/
 234
 235 static HRESULT WINAPI FilterMapper2_CreateCategory(
 236     IFilterMapper2 * iface,
 237     REFCLSID clsidCategory,
 238     DWORD dwCategoryMerit,
 239     LPCWSTR szDescription)
 240 {
 241     LPWSTR wClsidAMCat = NULL;
 242     LPWSTR wClsidCategory = NULL;
 243     WCHAR wszKeyName[strlenW(wszClsidSlash) + strlenW(wszSlashInstance) + (CHARS_IN_GUID-1) * 2 + 1];
 244     HKEY hKey = NULL;
 245     HRESULT hr;
 246
 247     TRACE("(%s, %lx, %s)\n", debugstr_guid(clsidCategory), dwCategoryMerit, debugstr_w(szDescription));
 248
 249     hr = StringFromCLSID(&CLSID_ActiveMovieCategories, &wClsidAMCat);
 250
 251     if (SUCCEEDED(hr))
 252     {
 253         hr = StringFromCLSID(clsidCategory, &wClsidCategory);
 254     }
 255
 256     if (SUCCEEDED(hr))
 257     {
 258         strcpyW(wszKeyName, wszClsidSlash);
 259         strcatW(wszKeyName, wClsidAMCat);
 260         strcatW(wszKeyName, wszSlashInstance);
 261         strcatW(wszKeyName, wClsidCategory);
 262
 263         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL));
 264     }
 265
 266     if (SUCCEEDED(hr))
 267     {
 268         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, wszFriendlyName, 0, REG_SZ, (LPBYTE)szDescription, (strlenW(szDescription) + 1) * sizeof(WCHAR)));
 269     }
 270
 271     if (SUCCEEDED(hr))
 272     {
 273         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, wszClsidName, 0, REG_SZ, (LPBYTE)wClsidCategory, (strlenW(wClsidCategory) + 1) * sizeof(WCHAR)));
 274     }
 275
 276     if (SUCCEEDED(hr))
 277     {
 278         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, wszMeritName, 0, REG_DWORD, (LPBYTE)&dwCategoryMerit, sizeof(dwCategoryMerit)));
 279     }
 280
 281     CloseHandle(hKey);
 282
 283     if (wClsidCategory)
 284         CoTaskMemFree(wClsidCategory);
 285     if (wClsidAMCat)
 286         CoTaskMemFree(wClsidAMCat);
 287
 288     return hr;
 289 }
 290
 291 static HRESULT WINAPI FilterMapper2_UnregisterFilter(
 292     IFilterMapper2 * iface,
 293     const CLSID *pclsidCategory,
 294     const OLECHAR *szInstance,
 295     REFCLSID Filter)
 296 {
 297     WCHAR wszKeyName[MAX_PATH];
 298     LPWSTR wClsidCategory = NULL;
 299     LPWSTR wFilter = NULL;
 300     HRESULT hr;
 301
 302     TRACE("(%p, %s, %s)\n", pclsidCategory, debugstr_w(szInstance), debugstr_guid(Filter));
 303
 304     if (!pclsidCategory)
 305         pclsidCategory = &CLSID_LegacyAmFilterCategory;
 306
 307     hr = StringFromCLSID(pclsidCategory, &wClsidCategory);
 308
 309     if (SUCCEEDED(hr))
 310     {
 311         strcpyW(wszKeyName, wszClsidSlash);
 312         strcatW(wszKeyName, wClsidCategory);
 313         strcatW(wszKeyName, wszSlashInstance);
 314         if (szInstance)
 315             strcatW(wszKeyName, szInstance);
 316         else
 317         {
 318             hr = StringFromCLSID(Filter, &wFilter);
 319             if (SUCCEEDED(hr))
 320                 strcatW(wszKeyName, wFilter);
 321         }
 322     }
 323
 324     if (SUCCEEDED(hr))
 325     {
 326         hr = HRESULT_FROM_WIN32(RegDeleteKeyW(HKEY_CLASSES_ROOT, wszKeyName));
 327     }
 328
 329     if (wClsidCategory)
 330         CoTaskMemFree(wClsidCategory);
 331     if (wFilter)
 332         CoTaskMemFree(wFilter);
 333
 334     return hr;
 335 }
 336
 337 static HRESULT FM2_WriteFriendlyName(IPropertyBag * pPropBag, LPCWSTR szName)
 338 {
 339     VARIANT var;
 340
 341     V_VT(&var) = VT_BSTR;
 342     V_UNION(&var, bstrVal) = (BSTR)szName;
 343
 344     return IPropertyBag_Write(pPropBag, wszFriendlyName, &var);
 345 }
 346
 347 static HRESULT FM2_WriteClsid(IPropertyBag * pPropBag, REFCLSID clsid)
 348 {
 349     LPWSTR wszClsid = NULL;
 350     VARIANT var;
 351     HRESULT hr;
 352
 353     hr = StringFromCLSID(clsid, &wszClsid);
 354
 355     if (SUCCEEDED(hr))
 356     {
 357         V_VT(&var) = VT_BSTR;
 358         V_UNION(&var, bstrVal) = wszClsid;
 359         hr = IPropertyBag_Write(pPropBag, wszClsidName, &var);
 360     }
 361     if (wszClsid)
 362         CoTaskMemFree(wszClsid);
 363     return hr;
 364 }
 365
 366 static HRESULT FM2_WriteFilterData(IPropertyBag * pPropBag, const REGFILTER2 * prf2)
 367 {
 368     VARIANT var;
 369     int size = sizeof(struct REG_RF);
 370     int i;
 371     struct Vector mainStore = {NULL, 0, 0};
 372     struct Vector clsidStore = {NULL, 0, 0};
 373     struct REG_RF rrf;
 374     SAFEARRAY * psa;
 375     SAFEARRAYBOUND saBound;
 376     HRESULT hr = S_OK;
 377
 378     rrf.dwVersion = prf2->dwVersion;
 379     rrf.dwMerit = prf2->dwMerit;
 380     rrf.dwPins = prf2->u.s1.cPins2;
 381     rrf.dwUnused = 0;
 382
 383     add_data(&mainStore, (LPBYTE)&rrf, sizeof(rrf));
 384
 385     for (i = 0; i < prf2->u.s1.cPins2; i++)
 386     {
 387         size += sizeof(struct REG_RFP);
 388         if (prf2->u.s1.rgPins2[i].clsPinCategory)
 389             size += sizeof(DWORD);
 390         size += prf2->u.s1.rgPins2[i].nMediaTypes * sizeof(struct REG_TYPE);
 391         size += prf2->u.s1.rgPins2[i].nMediums * sizeof(DWORD);
 392     }
 393
 394     for (i = 0; i < prf2->u.s1.cPins2; i++)
 395     {
 396         struct REG_RFP rrfp;
 397         REGFILTERPINS2 rgPin2 = prf2->u.s1.rgPins2[i];
 398         int j;
 399
 400         rrfp.signature[0] = '0';
 401         rrfp.signature[1] = 'p';
 402         rrfp.signature[2] = 'i';
 403         rrfp.signature[3] = '3';
 404         rrfp.signature[0] += i;
 405         rrfp.dwFlags = rgPin2.dwFlags;
 406         rrfp.dwInstances = rgPin2.cInstances;
 407         rrfp.dwMediaTypes = rgPin2.nMediaTypes;
 408         rrfp.dwMediums = rgPin2.nMediums;
 409         rrfp.bCategory = rgPin2.clsPinCategory ? 1 : 0;
 410
 411         add_data(&mainStore, (LPBYTE)&rrfp, sizeof(rrfp));
 412         if (rrfp.bCategory)
 413         {
 414             DWORD index = find_data(&clsidStore, (LPBYTE)rgPin2.clsPinCategory, sizeof(CLSID));
 415             if (index == -1)
 416                 index = add_data(&clsidStore, (LPBYTE)rgPin2.clsPinCategory, sizeof(CLSID));
 417             index += size;
 418
 419             add_data(&mainStore, (LPBYTE)&index, sizeof(index));
 420         }
 421
 422         for (j = 0; j < rgPin2.nMediaTypes; j++)
 423         {
 424             struct REG_TYPE rt;
 425             rt.signature[0] = '0';
 426             rt.signature[1] = 't';
 427             rt.signature[2] = 'y';
 428             rt.signature[3] = '3';
 429             rt.signature[0] += j;
 430
 431             rt.dwUnused = 0;
 432             rt.dwOffsetMajor = find_data(&clsidStore, (LPBYTE)rgPin2.lpMediaType[j].clsMajorType, sizeof(CLSID));
 433             if (rt.dwOffsetMajor == -1)
 434                 rt.dwOffsetMajor = add_data(&clsidStore, (LPBYTE)rgPin2.lpMediaType[j].clsMajorType, sizeof(CLSID));
 435             rt.dwOffsetMajor += size;
 436             rt.dwOffsetMinor = find_data(&clsidStore, (LPBYTE)rgPin2.lpMediaType[j].clsMinorType, sizeof(CLSID));
 437             if (rt.dwOffsetMinor == -1)
 438                 rt.dwOffsetMinor = add_data(&clsidStore, (LPBYTE)rgPin2.lpMediaType[j].clsMinorType, sizeof(CLSID));
 439             rt.dwOffsetMinor += size;
 440
 441             add_data(&mainStore, (LPBYTE)&rt, sizeof(rt));
 442         }
 443
 444         for (j = 0; j < rgPin2.nMediums; j++)
 445         {
 446             DWORD index = find_data(&clsidStore, (LPBYTE)(rgPin2.lpMedium + j), sizeof(REGPINMEDIUM));
 447             if (index == -1)
 448                 index = add_data(&clsidStore, (LPBYTE)(rgPin2.lpMedium + j), sizeof(REGPINMEDIUM));
 449             index += size;
 450
 451             add_data(&mainStore, (LPBYTE)&index, sizeof(index));
 452         }
 453     }
 454
 455     saBound.lLbound = 0;
 456     saBound.cElements = mainStore.current + clsidStore.current;
 457     psa = SafeArrayCreate(VT_UI1, 1, &saBound);
 458     if (!psa)
 459     {
 460         ERR("Couldn't create SAFEARRAY\n");
 461         hr = E_FAIL;
 462     }
 463
 464     if (SUCCEEDED(hr))
 465     {
 466         LPBYTE pbSAData;
 467         hr = SafeArrayAccessData(psa, (LPVOID *)&pbSAData);
 468         if (SUCCEEDED(hr))
 469         {
 470             memcpy(pbSAData, mainStore.pData, mainStore.current);
 471             memcpy(pbSAData + mainStore.current, clsidStore.pData, clsidStore.current);
 472             hr = SafeArrayUnaccessData(psa);
 473         }
 474     }
 475
 476     V_VT(&var) = VT_ARRAY | VT_UI1;
 477     V_UNION(&var, parray) = psa;
 478
 479     if (SUCCEEDED(hr))
 480         hr = IPropertyBag_Write(pPropBag, wszFilterDataName, &var);
 481
 482     if (psa)
 483         SafeArrayDestroy(psa);
 484
 485     delete_vector(&mainStore);
 486     delete_vector(&clsidStore);
 487     return hr;
 488 }
 489
 490 static HRESULT FM2_ReadFilterData(IPropertyBag * pPropBag, REGFILTER2 * prf2)
 491 {
 492     VARIANT var;
 493     HRESULT hr;
 494     LPBYTE pData = NULL;
 495     struct REG_RF * prrf;
 496     LPBYTE pCurrent;
 497     DWORD i;
 498     REGFILTERPINS2 * rgPins2;
 499
 500     VariantInit(&var);
 501     V_VT(&var) = VT_ARRAY | VT_UI1;
 502
 503     hr = IPropertyBag_Read(pPropBag, wszFilterDataName, &var, NULL);
 504
 505     if (SUCCEEDED(hr))
 506         hr = SafeArrayAccessData(V_UNION(&var, parray), (LPVOID*)&pData);
 507
 508     if (SUCCEEDED(hr))
 509     {
 510         prrf = (struct REG_RF *)pData;
 511         pCurrent = pData;
 512
 513         if (prrf->dwVersion != 2)
 514         {
 515             FIXME("Filter registry version %ld not supported\n", prrf->dwVersion);
 516             ZeroMemory(prf2, sizeof(*prf2));
 517             hr = E_FAIL;
 518         }
 519     }
 520
 521     if (SUCCEEDED(hr))
 522     {
 523         TRACE("version = %ld, merit = %lx, #pins = %ld, unused = %lx\n",
 524             prrf->dwVersion, prrf->dwMerit, prrf->dwPins, prrf->dwUnused);
 525
 526         prf2->dwVersion = prrf->dwVersion;
 527         prf2->dwMerit = prrf->dwMerit;
 528         prf2->u.s1.cPins2 = prrf->dwPins;
 529         rgPins2 = CoTaskMemAlloc(prrf->dwPins * sizeof(*rgPins2));
 530         prf2->u.s1.rgPins2 = rgPins2;
 531         pCurrent += sizeof(struct REG_RF);
 532
 533         for (i = 0; i < prrf->dwPins; i++)
 534         {
 535             struct REG_RFP * prrfp = (struct REG_RFP *)pCurrent;
 536             REGPINTYPES * lpMediaType;
 537             REGPINMEDIUM * lpMedium;
 538             UINT j;
 539
 540             /* FIXME: check signature */
 541
 542             TRACE("\tsignature = %s\n", debugstr_an(prrfp->signature, 4));
 543
 544             TRACE("\tpin[%ld]: flags = %lx, instances = %ld, media types = %ld, mediums = %ld\n",
 545                 i, prrfp->dwFlags, prrfp->dwInstances, prrfp->dwMediaTypes, prrfp->dwMediums);
 546
 547             rgPins2[i].dwFlags = prrfp->dwFlags;
 548             rgPins2[i].cInstances = prrfp->dwInstances;
 549             rgPins2[i].nMediaTypes = prrfp->dwMediaTypes;
 550             rgPins2[i].nMediums = prrfp->dwMediums;
 551             pCurrent += sizeof(struct REG_RFP);
 552             if (prrfp->bCategory)
 553             {
 554                 CLSID * clsCat = CoTaskMemAlloc(sizeof(CLSID));
 555                 memcpy(clsCat, pData + *(DWORD*)(pCurrent), sizeof(CLSID));
 556                 pCurrent += sizeof(DWORD);
 557                 rgPins2[i].clsPinCategory = clsCat;
 558             }
 559             else
 560                 rgPins2[i].clsPinCategory = NULL;
 561
 562             if (rgPins2[i].nMediaTypes > 0)
 563                 lpMediaType = CoTaskMemAlloc(rgPins2[i].nMediaTypes * sizeof(*lpMediaType));
 564             else
 565                 lpMediaType = NULL;
 566
 567             rgPins2[i].lpMediaType = lpMediaType;
 568
 569             for (j = 0; j < rgPins2[i].nMediaTypes; j++)
 570             {
 571                 struct REG_TYPE * prt = (struct REG_TYPE *)pCurrent;
 572                 CLSID * clsMajor = CoTaskMemAlloc(sizeof(CLSID));
 573                 CLSID * clsMinor = CoTaskMemAlloc(sizeof(CLSID));
 574
 575                 /* FIXME: check signature */
 576                 TRACE("\t\tsignature = %s\n", debugstr_an(prt->signature, 4));
 577
 578                 memcpy(clsMajor, pData + prt->dwOffsetMajor, sizeof(CLSID));
 579                 memcpy(clsMinor, pData + prt->dwOffsetMinor, sizeof(CLSID));
 580
 581                 lpMediaType[j].clsMajorType = clsMajor;
 582                 lpMediaType[j].clsMinorType = clsMinor;
 583
 584                 pCurrent += sizeof(*prt);
 585             }
 586
 587             if (rgPins2[i].nMediums > 0)
 588                 lpMedium = CoTaskMemAlloc(rgPins2[i].nMediums * sizeof(*lpMedium));
 589             else
 590                 lpMedium = NULL;
 591
 592             rgPins2[i].lpMedium = lpMedium;
 593
 594             for (j = 0; j < rgPins2[i].nMediums; j++)
 595             {
 596                 DWORD dwOffset = *(DWORD *)pCurrent;
 597
 598                 memcpy(lpMedium + j, pData + dwOffset, sizeof(REGPINMEDIUM));
 599
 600                 pCurrent += sizeof(dwOffset);
 601             }
 602         }
 603
 604     }
 605
 606     if (pData)
 607         SafeArrayUnaccessData(V_UNION(&var, parray));
 608
 609     VariantClear(&var);
 610
 611     return hr;
 612 }
 613
 614 static void FM2_DeleteRegFilter(REGFILTER2 * prf2)
 615 {
 616     UINT i;
 617     for (i = 0; i < prf2->u.s1.cPins2; i++)
 618     {
 619         UINT j;
 620         if (prf2->u.s1.rgPins2[i].clsPinCategory)
 621             CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].clsPinCategory);
 622
 623         for (j = 0; j < prf2->u.s1.rgPins2[i].nMediaTypes; j++)
 624         {
 625             CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMediaType[j].clsMajorType);
 626             CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMediaType[j].clsMinorType);
 627         }
 628         CoTaskMemFree((LPVOID)prf2->u.s1.rgPins2[i].lpMedium);
 629     }
 630 }
 631
 632 static HRESULT WINAPI FilterMapper2_RegisterFilter(
 633     IFilterMapper2 * iface,
 634     REFCLSID clsidFilter,
 635     LPCWSTR szName,
 636     IMoniker **ppMoniker,
 637     const CLSID *pclsidCategory,
 638     const OLECHAR *szInstance,
 639     const REGFILTER2 *prf2)
 640 {
 641     IParseDisplayName * pParser = NULL;
 642     IBindCtx * pBindCtx = NULL;
 643     IMoniker * pMoniker = NULL;
 644     IPropertyBag * pPropBag = NULL;
 645     HRESULT hr;
 646     LPWSTR pwszParseName = NULL;
 647     LPWSTR pCurrent;
 648     static const WCHAR wszDevice[] = {'@','d','e','v','i','c','e',':','s','w',':',0};
 649     int nameLen;
 650     ULONG ulEaten;
 651     LPWSTR szClsidTemp = NULL;
 652
 653     TRACE("(%s, %s, %p, %s, %s, %p)\n",
 654         debugstr_guid(clsidFilter),
 655         debugstr_w(szName),
 656         ppMoniker,
 657         debugstr_guid(pclsidCategory),
 658         debugstr_w(szInstance),
 659         prf2);
 660
 661     if (prf2->dwVersion != 2)
 662     {
 663         FIXME("dwVersion != 2 not supported at the moment\n");
 664         return E_NOTIMPL;
 665     }
 666
 667     if (ppMoniker)
 668         *ppMoniker = NULL;
 669
 670     if (!pclsidCategory)
 671         pclsidCategory = &CLSID_ActiveMovieCategories;
 672
 673     /* sizeof... will include null terminator and
 674      * the + 1 is for the separator ('\\'). The -1 is
 675      * because CHARS_IN_GUID includes the null terminator
 676      */
 677     nameLen = sizeof(wszDevice)/sizeof(wszDevice[0]) + CHARS_IN_GUID - 1 + 1;
 678
 679     if (szInstance)
 680         nameLen += strlenW(szInstance);
 681     else
 682         nameLen += CHARS_IN_GUID - 1; /* CHARS_IN_GUID includes null terminator */
 683
 684     pCurrent = pwszParseName = CoTaskMemAlloc(nameLen*sizeof(WCHAR));
 685     if (!pwszParseName)
 686         return E_OUTOFMEMORY;
 687
 688     strcpyW(pwszParseName, wszDevice);
 689     pCurrent += strlenW(wszDevice);
 690
 691     hr = StringFromCLSID(pclsidCategory, &szClsidTemp);
 692
 693     if (SUCCEEDED(hr))
 694     {
 695         strncpyW(pCurrent, szClsidTemp, CHARS_IN_GUID);
 696         pCurrent += CHARS_IN_GUID - 1;
 697         pCurrent[0] = '\\';
 698
 699         if (szInstance)
 700             strcpyW(pCurrent+1, szInstance);
 701         else
 702         {
 703             if (szClsidTemp)
 704             {
 705                 CoTaskMemFree(szClsidTemp);
 706                 szClsidTemp = NULL;
 707             }
 708             hr = StringFromCLSID(clsidFilter, &szClsidTemp);
 709             if (SUCCEEDED(hr))
 710                 strcpyW(pCurrent+1, szClsidTemp);
 711         }
 712     }
 713
 714     if (SUCCEEDED(hr))
 715         hr = CoCreateInstance(&CLSID_CDeviceMoniker, NULL, CLSCTX_INPROC, &IID_IParseDisplayName, (LPVOID *)&pParser);
 716
 717     if (SUCCEEDED(hr))
 718         hr = CreateBindCtx(0, &pBindCtx);
 719
 720     if (SUCCEEDED(hr))
 721         hr = IParseDisplayName_ParseDisplayName(pParser, pBindCtx, pwszParseName, &ulEaten, &pMoniker);
 722
 723     if (pBindCtx)
 724         IBindCtx_Release(pBindCtx); pBindCtx = NULL;
 725     if (pParser)
 726         IParseDisplayName_Release(pParser); pParser = NULL;
 727
 728     if (SUCCEEDED(hr))
 729         hr = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID)&pPropBag);
 730
 731     if (SUCCEEDED(hr))
 732         hr = FM2_WriteFriendlyName(pPropBag, szName);
 733
 734     if (SUCCEEDED(hr))
 735         hr = FM2_WriteClsid(pPropBag, clsidFilter);
 736
 737     if (SUCCEEDED(hr))
 738         hr = FM2_WriteFilterData(pPropBag, prf2);
 739
 740     if (pPropBag)
 741         IPropertyBag_Release(pPropBag); pPropBag = NULL;
 742     if (szClsidTemp)
 743         CoTaskMemFree(szClsidTemp);
 744
 745     if (SUCCEEDED(hr) && ppMoniker)
 746         *ppMoniker = pMoniker;
 747     else if (pMoniker)
 748         IMoniker_Release(pMoniker); pMoniker = NULL;
 749
 750     TRACE("-- returning %lx\n", hr);
 751
 752     return hr;
 753 }
 754
 755 /* internal helper function */
 756 static BOOL MatchTypes(
 757     BOOL bExactMatch,
 758     DWORD nPinTypes,
 759     const REGPINTYPES * pPinTypes,
 760     DWORD nMatchTypes,
 761     const GUID * pMatchTypes)
 762 {
 763     BOOL bMatch = FALSE;
 764     DWORD j;
 765
 766     if ((nMatchTypes == 0) && (nPinTypes > 0))
 767         bMatch = TRUE;
 768
 769     for (j = 0; j < nPinTypes; j++)
 770     {
 771         DWORD i;
 772         for (i = 0; i < nMatchTypes*2; i+=2)
 773         {
 774             if (((!bExactMatch && IsEqualGUID(pPinTypes[j].clsMajorType, &GUID_NULL)) || IsEqualGUID(&pMatchTypes[i], &GUID_NULL) || IsEqualGUID(pPinTypes[j].clsMajorType, &pMatchTypes[i])) &&
 775                 ((!bExactMatch && IsEqualGUID(pPinTypes[j].clsMinorType, &GUID_NULL)) || IsEqualGUID(&pMatchTypes[i+1], &GUID_NULL) || IsEqualGUID(pPinTypes[j].clsMinorType, &pMatchTypes[i+1])))
 776             {
 777                 bMatch = TRUE;
 778                 break;
 779             }
 780         }
 781     }
 782     return bMatch;
 783 }
 784
 785 /* internal helper function for qsort of MONIKER_MERIT array */
 786 static int mm_compare(const void * left, const void * right)
 787 {
 788     const struct MONIKER_MERIT * mmLeft = (struct MONIKER_MERIT *)left;
 789     const struct MONIKER_MERIT * mmRight = (struct MONIKER_MERIT *)right;
 790
 791     if (mmLeft->dwMerit == mmRight->dwMerit)
 792         return 0;
 793     if (mmLeft->dwMerit > mmRight->dwMerit)
 794         return -1;
 795     return 1;
 796 }
 797
 798 /* NOTES:
 799  *   Exact match means whether or not to treat GUID_NULL's in filter data as wild cards
 800  *    (GUID_NULL's in input to function automatically treated as wild cards)
 801  *   Input/Output needed means match only on criteria if TRUE (with zero input types
 802  *    meaning match any input/output pin as long as one exists), otherwise match any
 803  *    filter that meets the rest of the requirements.
 804  */
 805 static HRESULT WINAPI FilterMapper2_EnumMatchingFilters(
 806     IFilterMapper2 * iface,
 807     IEnumMoniker **ppEnum,
 808     DWORD dwFlags,
 809     BOOL bExactMatch,
 810     DWORD dwMerit,
 811     BOOL bInputNeeded,
 812     DWORD cInputTypes,
 813     const GUID *pInputTypes,
 814     const REGPINMEDIUM *pMedIn,
 815     const CLSID *pPinCategoryIn,
 816     BOOL bRender,
 817     BOOL bOutputNeeded,
 818     DWORD cOutputTypes,
 819     const GUID *pOutputTypes,
 820     const REGPINMEDIUM *pMedOut,
 821     const CLSID *pPinCategoryOut)
 822 {
 823     ICreateDevEnum * pCreateDevEnum;
 824     IMoniker * pMonikerCat;
 825     IEnumMoniker * pEnumCat;
 826     HRESULT hr;
 827     struct Vector monikers = {NULL, 0, 0};
 828
 829     TRACE("(%p, %lx, %s, %lx, %s, %ld, %p, %p, %p, %s, %s, %p, %p, %p)\n",
 830         ppEnum,
 831         dwFlags,
 832         bExactMatch ? "true" : "false",
 833         dwMerit,
 834         bInputNeeded ? "true" : "false",
 835         cInputTypes,
 836         pInputTypes,
 837         pMedIn,
 838         pPinCategoryIn,
 839         bRender ? "true" : "false",
 840         bOutputNeeded ? "true" : "false",
 841         pOutputTypes,
 842         pMedOut,
 843         pPinCategoryOut);
 844
 845     if (dwFlags != 0)
 846     {
 847         FIXME("dwFlags = %lx not implemented\n", dwFlags);
 848     }
 849
 850     *ppEnum = NULL;
 851
 852     hr = CoCreateInstance(&CLSID_SystemDeviceEnum, NULL, CLSCTX_INPROC, &IID_ICreateDevEnum, (LPVOID*)&pCreateDevEnum);
 853
 854     if (SUCCEEDED(hr))
 855         hr = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &CLSID_ActiveMovieCategories, &pEnumCat, 0);
 856
 857     while (IEnumMoniker_Next(pEnumCat, 1, &pMonikerCat, NULL) == S_OK)
 858     {
 859         IPropertyBag * pPropBagCat = NULL;
 860         VARIANT var;
 861         HRESULT hrSub; /* this is so that one buggy filter
 862                           doesn't make the whole lot fail */
 863
 864         VariantInit(&var);
 865
 866         hrSub = IMoniker_BindToStorage(pMonikerCat, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
 867
 868         if (SUCCEEDED(hrSub))
 869             hrSub = IPropertyBag_Read(pPropBagCat, wszMeritName, &var, NULL);
 870
 871         if (SUCCEEDED(hrSub) && (V_UNION(&var, ulVal) >= dwMerit))
 872         {
 873             CLSID clsidCat;
 874             IEnumMoniker * pEnum;
 875             IMoniker * pMoniker;
 876
 877             VariantClear(&var);
 878
 879             if (TRACE_ON(quartz))
 880             {
 881                 VARIANT temp;
 882                 V_VT(&temp) = VT_EMPTY;
 883                 IPropertyBag_Read(pPropBagCat, wszFriendlyName, &temp, NULL);
 884                 TRACE("Considering category %s\n", debugstr_w(V_UNION(&temp, bstrVal)));
 885                 VariantClear(&temp);
 886             }
 887
 888             hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
 889
 890             if (SUCCEEDED(hrSub))
 891                 hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsidCat);
 892
 893             if (SUCCEEDED(hrSub))
 894                 hrSub = ICreateDevEnum_CreateClassEnumerator(pCreateDevEnum, &clsidCat, &pEnum, 0);
 895
 896             if (hrSub == S_OK)
 897             {
 898                 while (IEnumMoniker_Next(pEnum, 1, &pMoniker, NULL) == S_OK)
 899                 {
 900                     IPropertyBag * pPropBag = NULL;
 901                     REGFILTER2 rf2;
 902                     DWORD i;
 903                     BOOL bInputMatch = !bInputNeeded;
 904                     BOOL bOutputMatch = !bOutputNeeded;
 905
 906                     ZeroMemory(&rf2, sizeof(rf2));
 907
 908                     hrSub = IMoniker_BindToStorage(pMoniker, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBag);
 909
 910                     if (SUCCEEDED(hrSub))
 911                         hrSub = FM2_ReadFilterData(pPropBag, &rf2);
 912
 913                     /* Logic used for bInputMatch expression:
 914                      * There exists some pin such that bInputNeeded implies (pin is an input and
 915                      * (bRender implies pin has render flag) and major/minor types members of
 916                      * pInputTypes )
 917                      * bOutputMatch is similar, but without the "bRender implies ..." part
 918                      * and substituting variables names containing input for output
 919                      */
 920
 921                     /* determine whether filter meets requirements */
 922                     if (SUCCEEDED(hrSub) && (rf2.dwMerit >= dwMerit))
 923                     {
 924                         for (i = 0; (i < rf2.u.s1.cPins2) && (!bInputMatch || !bOutputMatch); i++)
 925                         {
 926                             const REGFILTERPINS2 * rfp2 = rf2.u.s1.rgPins2 + i;
 927
 928                             bInputMatch = bInputMatch || (!(rfp2->dwFlags & REG_PINFLAG_B_OUTPUT) &&
 929                                 (!bRender || (rfp2->dwFlags & REG_PINFLAG_B_RENDERER)) &&
 930                                 MatchTypes(bExactMatch, rfp2->nMediaTypes, rfp2->lpMediaType, cInputTypes, pInputTypes));
 931                             bOutputMatch = bOutputMatch || ((rfp2->dwFlags & REG_PINFLAG_B_OUTPUT) &&
 932                                 MatchTypes(bExactMatch, rfp2->nMediaTypes, rfp2->lpMediaType, cOutputTypes, pOutputTypes));
 933                         }
 934
 935                         if (bInputMatch && bOutputMatch)
 936                         {
 937                             struct MONIKER_MERIT mm = {pMoniker, rf2.dwMerit};
 938                             IMoniker_AddRef(pMoniker);
 939                             add_data(&monikers, (LPBYTE)&mm, sizeof(mm));
 940                         }
 941                     }
 942
 943                     FM2_DeleteRegFilter(&rf2);
 944                     if (pPropBag)
 945                         IPropertyBag_Release(pPropBag);
 946                     IMoniker_Release(pMoniker);
 947                 }
 948                 IEnumMoniker_Release(pEnum);
 949             }
 950         }
 951
 952         VariantClear(&var);
 953         if (pPropBagCat)
 954             IPropertyBag_Release(pPropBagCat);
 955         IMoniker_Release(pMonikerCat);
 956     }
 957
 958     if (SUCCEEDED(hr))
 959     {
 960         IMoniker ** ppMoniker;
 961         int i;
 962         ULONG nMonikerCount = monikers.current / sizeof(struct MONIKER_MERIT);
 963
 964         /* sort the monikers in descending merit order */
 965         qsort(monikers.pData, nMonikerCount,
 966               sizeof(struct MONIKER_MERIT),
 967               mm_compare);
 968
 969         /* construct an IEnumMoniker interface */
 970         ppMoniker = CoTaskMemAlloc(nMonikerCount * sizeof(IMoniker *));
 971         for (i = 0; i < nMonikerCount; i++)
 972         {
 973             /* no need to AddRef here as already AddRef'd above */
 974             ppMoniker[i] = ((struct MONIKER_MERIT *)monikers.pData)[i].pMoniker;
 975         }
 976         hr = EnumMonikerImpl_Create(ppMoniker, nMonikerCount, ppEnum);
 977         CoTaskMemFree(ppMoniker);
 978     }
 979
 980     delete_vector(&monikers);
 981     IEnumMoniker_Release(pEnumCat);
 982     ICreateDevEnum_Release(pCreateDevEnum);
 983
 984     return hr;
 985 }
 986
 987 static IFilterMapper2Vtbl fm2vtbl =
 988 {
 989
 990     FilterMapper2_QueryInterface,
 991     FilterMapper2_AddRef,
 992     FilterMapper2_Release,
 993
 994     FilterMapper2_CreateCategory,
 995     FilterMapper2_UnregisterFilter,
 996     FilterMapper2_RegisterFilter,
 997     FilterMapper2_EnumMatchingFilters
 998 };
 999
1000 /*** IUnknown methods ***/
1001
1002 static HRESULT WINAPI FilterMapper_QueryInterface(IFilterMapper * iface, REFIID riid, LPVOID *ppv)
1003 {
1004     ICOM_THIS_From_IFilterMapper(FilterMapper2Impl, iface);
1005
1006     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv);
1007
1008     return FilterMapper2_QueryInterface((IFilterMapper2*)&This->lpVtbl, riid, ppv);
1009 }
1010
1011 static ULONG WINAPI FilterMapper_AddRef(IFilterMapper * iface)
1012 {
1013     ICOM_THIS_From_IFilterMapper(FilterMapper2Impl, iface);
1014
1015     return FilterMapper2_AddRef((IFilterMapper2*)This);
1016 }
1017
1018 static ULONG WINAPI FilterMapper_Release(IFilterMapper * iface)
1019 {
1020     ICOM_THIS_From_IFilterMapper(FilterMapper2Impl, iface);
1021
1022     return FilterMapper2_Release((IFilterMapper2*)This);
1023 }
1024
1025 /*** IFilterMapper methods ***/
1026
1027 static HRESULT WINAPI FilterMapper_EnumMatchingFilters(
1028     IFilterMapper * iface,
1029     IEnumRegFilters **ppEnum,
1030     DWORD dwMerit,
1031     BOOL bInputNeeded,
1032     CLSID clsInMaj,
1033     CLSID clsInSub,
1034     BOOL bRender,
1035     BOOL bOutputNeeded,
1036     CLSID clsOutMaj,
1037     CLSID clsOutSub)
1038 {
1039     ICOM_THIS_From_IFilterMapper(FilterMapper2Impl, iface);
1040     GUID InputType[2];
1041     GUID OutputType[2];
1042     IEnumMoniker* ppEnumMoniker;
1043     IMoniker* IMon;
1044     ULONG nb;
1045     ULONG idx = 0, nb_mon = 0;
1046     REGFILTER* regfilters;
1047     HRESULT hr;
1048
1049     TRACE("(%p/%p)->(%p, %lx, %s, %s, %s, %s, %s, %s, %s) stub!\n",
1050         iface,This,
1051         ppEnum,
1052         dwMerit,
1053         bInputNeeded ? "true" : "false",
1054         debugstr_guid(&clsInMaj),
1055         debugstr_guid(&clsInSub),
1056         bRender ? "true" : "false",
1057         bOutputNeeded ? "true" : "false",
1058         debugstr_guid(&clsOutMaj),
1059         debugstr_guid(&clsOutSub));
1060
1061     InputType[0] = clsInMaj;
1062     InputType[1] = clsInSub;
1063     OutputType[0] = clsOutMaj;
1064     OutputType[1] = clsOutSub;
1065
1066     hr = IFilterMapper2_EnumMatchingFilters((IFilterMapper2*)This,
1067                                        &ppEnumMoniker,
1068                                        0,
1069                                        TRUE,
1070                                        dwMerit,
1071                                        bInputNeeded,
1072                                        1,
1073                                        InputType,
1074                                        NULL,
1075                                        &GUID_NULL,
1076                                        bRender,
1077                                        bOutputNeeded,
1078                                        1,
1079                                        OutputType,
1080                                        NULL,
1081                                        &GUID_NULL);
1082
1083     if (!SUCCEEDED(hr))
1084         return hr;
1085
1086     while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
1087     {
1088         IMoniker_Release(IMon);
1089         nb_mon++;
1090     }
1091
1092     *ppEnum = NULL;
1093     if (!nb_mon)
1094     {
1095         IEnumMoniker_Release(ppEnumMoniker);
1096         return IEnumRegFiltersImpl_Construct(NULL, 0, ppEnum);
1097     }
1098
1099     regfilters = CoTaskMemAlloc(nb_mon * sizeof(REGFILTER));
1100     if (!regfilters)
1101     {
1102         IEnumMoniker_Release(ppEnumMoniker);
1103         return E_OUTOFMEMORY;
1104     }
1105
1106     IEnumMoniker_Reset(ppEnumMoniker);
1107     while(IEnumMoniker_Next(ppEnumMoniker, 1, &IMon, &nb) == S_OK)
1108     {
1109         IPropertyBag * pPropBagCat = NULL;
1110         VARIANT var;
1111         HRESULT hrSub;
1112         GUID clsid;
1113         int len;
1114
1115         VariantInit(&var);
1116         V_VT(&var) = VT_BSTR;
1117
1118         hrSub = IMoniker_BindToStorage(IMon, NULL, NULL, &IID_IPropertyBag, (LPVOID*)&pPropBagCat);
1119
1120         if (SUCCEEDED(hrSub))
1121             hrSub = IPropertyBag_Read(pPropBagCat, wszClsidName, &var, NULL);
1122
1123         if (SUCCEEDED(hrSub))
1124             hrSub = CLSIDFromString(V_UNION(&var, bstrVal), &clsid);
1125
1126         if (SUCCEEDED(hrSub))
1127             hrSub = IPropertyBag_Read(pPropBagCat, wszFriendlyName, &var, NULL);
1128
1129         if (SUCCEEDED(hrSub))
1130         {
1131             len = (strlenW((WCHAR*)&V_UNION(&var, bstrVal))+1) * sizeof(WCHAR);
1132             if (!(regfilters[idx].Name = CoTaskMemAlloc(len*2)))
1133                 hr = E_OUTOFMEMORY;
1134         }
1135
1136         if (SUCCEEDED(hrSub))
1137         {
1138             memcpy(regfilters[idx].Name, &V_UNION(&var, bstrVal), len);
1139             regfilters[idx].Clsid = clsid;
1140             idx++;
1141         }
1142
1143         if (pPropBagCat)
1144             IPropertyBag_Release(pPropBagCat);
1145         IMoniker_Release(IMon);
1146     }
1147
1148     /* In case of release all resources */
1149     if (!SUCCEEDED(hr))
1150     {
1151         for (idx = 0; idx < nb_mon; idx++)
1152             CoTaskMemFree(regfilters[idx].Name);
1153         CoTaskMemFree(regfilters);
1154         IEnumMoniker_Release(ppEnumMoniker);
1155         return hr;
1156     }
1157
1158     hr = IEnumRegFiltersImpl_Construct(regfilters, nb_mon, ppEnum);
1159     CoTaskMemFree(regfilters);
1160     IEnumMoniker_Release(ppEnumMoniker);
1161
1162     return hr;
1163 }
1164
1165
1166 static HRESULT WINAPI FilterMapper_RegisterFilter(IFilterMapper * iface, CLSID clsid, LPCWSTR szName, DWORD dwMerit)
1167 {
1168     HRESULT hr;
1169     LPWSTR wszClsid = NULL;
1170     HKEY hKey;
1171     WCHAR wszKeyName[strlenW(wszFilterSlash) + (CHARS_IN_GUID-1) + 1];
1172
1173     TRACE("(%p)->(%s, %s, %lx)\n", iface, debugstr_guid(&clsid), debugstr_w(szName), dwMerit);
1174
1175     hr = StringFromCLSID(&clsid, &wszClsid);
1176
1177     if (SUCCEEDED(hr))
1178     {
1179         strcpyW(wszKeyName, wszFilterSlash);
1180         strcatW(wszKeyName, wszClsid);
1181
1182         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL));
1183     }
1184
1185     if (SUCCEEDED(hr))
1186     {
1187         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, NULL, 0, REG_SZ, (LPBYTE)szName, strlenW(szName) + 1));
1188         CloseHandle(hKey);
1189     }
1190
1191     if (SUCCEEDED(hr))
1192     {
1193         strcpyW(wszKeyName, wszClsidSlash);
1194         strcatW(wszKeyName, wszClsid);
1195
1196         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hKey, NULL));
1197     }
1198
1199     if (SUCCEEDED(hr))
1200     {
1201         hr = HRESULT_FROM_WIN32(RegSetValueExW(hKey, wszMeritName, 0, REG_DWORD, (LPBYTE)&dwMerit, sizeof(dwMerit)));
1202         CloseHandle(hKey);
1203     }
1204
1205     return hr;
1206 }
1207
1208 static HRESULT WINAPI FilterMapper_RegisterFilterInstance(IFilterMapper * iface, CLSID clsid, LPCWSTR szName, CLSID *MRId)
1209 {
1210     TRACE("(%p)->(%s, %s, %p)\n", iface, debugstr_guid(&clsid), debugstr_w(szName), MRId);
1211
1212     /* Not implemented in Windows (tested on Win2k) */
1213
1214     return E_NOTIMPL;
1215 }
1216
1217 static HRESULT WINAPI FilterMapper_RegisterPin(
1218     IFilterMapper * iface,
1219     CLSID Filter,
1220     LPCWSTR szName,
1221     BOOL bRendered,
1222     BOOL bOutput,
1223     BOOL bZero,
1224     BOOL bMany,
1225     CLSID ConnectsToFilter,
1226     LPCWSTR ConnectsToPin)
1227 {
1228     HRESULT hr;
1229     LPWSTR wszClsid = NULL;
1230     HKEY hKey = NULL;
1231     HKEY hPinsKey = NULL;
1232     WCHAR * wszPinsKeyName;
1233     WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1234
1235     TRACE("(%p)->(%s, %s, %d, %d, %d, %d, %s, %s)\n", iface, debugstr_guid(&Filter), debugstr_w(szName), bRendered,
1236                 bOutput, bZero, bMany, debugstr_guid(&ConnectsToFilter), debugstr_w(ConnectsToPin));
1237
1238     hr = StringFromCLSID(&Filter, &wszClsid);
1239
1240     if (SUCCEEDED(hr))
1241     {
1242         strcpyW(wszKeyName, wszClsidSlash);
1243         strcatW(wszKeyName, wszClsid);
1244
1245         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey));
1246     }
1247
1248     if (SUCCEEDED(hr))
1249     {
1250         wszPinsKeyName = CoTaskMemAlloc((strlenW(wszPins) + 1 + strlenW(szName) + 1) * 2);
1251         if (!wszPinsKeyName)
1252              hr = E_OUTOFMEMORY;
1253     }
1254
1255     if (SUCCEEDED(hr))
1256     {
1257         strcpyW(wszPinsKeyName, wszPins);
1258         strcatW(wszPinsKeyName, wszSlash);
1259         strcatW(wszPinsKeyName, szName);
1260
1261         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(hKey, wszPinsKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, &hPinsKey, NULL));
1262         CoTaskMemFree(wszPinsKeyName);
1263     }
1264
1265     if (SUCCEEDED(hr))
1266     {
1267         hr = HRESULT_FROM_WIN32(RegSetValueExW(hPinsKey, wszAllowedMany, 0, REG_DWORD, (LPBYTE)&bMany, sizeof(bMany)));
1268     }
1269
1270     if (SUCCEEDED(hr))
1271     {
1272         hr = HRESULT_FROM_WIN32(RegSetValueExW(hPinsKey, wszAllowedZero, 0, REG_DWORD, (LPBYTE)&bZero, sizeof(bZero)));
1273     }
1274
1275     if (SUCCEEDED(hr))
1276     {
1277         hr = HRESULT_FROM_WIN32(RegSetValueExW(hPinsKey, wszDirection, 0, REG_DWORD, (LPBYTE)&bOutput, sizeof(bOutput)));
1278     }
1279
1280     if (SUCCEEDED(hr))
1281     {
1282         hr = HRESULT_FROM_WIN32(RegSetValueExW(hPinsKey, wszIsRendered, 0, REG_DWORD, (LPBYTE)&bRendered, sizeof(bRendered)));
1283     }
1284
1285     if (SUCCEEDED(hr))
1286     {
1287         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(hPinsKey, wszTypes, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, NULL, NULL));
1288     }
1289
1290     if (wszClsid)
1291         CoTaskMemFree(wszClsid);
1292     if (hKey)
1293         CloseHandle(hKey);
1294     if (hPinsKey)
1295         CloseHandle(hPinsKey);
1296
1297     return hr;
1298 }
1299
1300
1301 static HRESULT WINAPI FilterMapper_RegisterPinType(
1302     IFilterMapper * iface,
1303     CLSID clsFilter,
1304     LPCWSTR szName,
1305     CLSID clsMajorType,
1306     CLSID clsSubType)
1307 {
1308     HRESULT hr;
1309     LPWSTR wszClsid = NULL;
1310     LPWSTR wszClsidMajorType = NULL;
1311     LPWSTR wszClsidSubType = NULL;
1312     HKEY hKey = NULL;
1313     WCHAR * wszTypesKey;
1314     WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1315
1316     TRACE("(%p)->(%s, %s, %s, %s)\n", iface, debugstr_guid(&clsFilter), debugstr_w(szName),
1317                     debugstr_guid(&clsMajorType), debugstr_guid(&clsSubType));
1318
1319     hr = StringFromCLSID(&clsFilter, &wszClsid);
1320
1321     if (SUCCEEDED(hr))
1322     {
1323         hr = StringFromCLSID(&clsMajorType, &wszClsidMajorType);
1324     }
1325
1326     if (SUCCEEDED(hr))
1327     {
1328         hr = StringFromCLSID(&clsSubType, &wszClsidSubType);
1329     }
1330
1331     if (SUCCEEDED(hr))
1332     {
1333         wszTypesKey = CoTaskMemAlloc((strlenW(wszClsidSlash) + strlenW(wszClsid) + strlenW(wszPins) +
1334                         strlenW(szName) + strlenW(wszTypes) + 3 + 1) * 2);
1335         if (!wszTypesKey)
1336             hr = E_OUTOFMEMORY;
1337     }
1338
1339     if (SUCCEEDED(hr))
1340     {
1341         strcpyW(wszTypesKey, wszClsidSlash);
1342         strcatW(wszTypesKey, wszClsid);
1343         strcatW(wszTypesKey, wszSlash);
1344         strcatW(wszTypesKey, wszPins);
1345         strcatW(wszTypesKey, wszSlash);
1346         strcatW(wszTypesKey, szName);
1347         strcatW(wszTypesKey, wszSlash);
1348         strcatW(wszTypesKey, wszTypes);
1349
1350         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszTypesKey, 0, KEY_WRITE, &hKey));
1351         CoTaskMemFree(wszTypesKey);
1352     }
1353
1354     if (SUCCEEDED(hr))
1355     {
1356         strcpyW(wszKeyName, wszClsidMajorType);
1357         strcatW(wszKeyName, wszSlash);
1358         strcatW(wszKeyName, wszClsidSubType);
1359
1360         hr = HRESULT_FROM_WIN32(RegCreateKeyExW(hKey, wszKeyName, 0, NULL, REG_OPTION_NON_VOLATILE, KEY_WRITE, NULL, NULL, NULL));
1361         CloseHandle(hKey);
1362     }
1363
1364     if (wszClsid)
1365         CoTaskMemFree(wszClsid);
1366     if (wszClsidMajorType)
1367         CoTaskMemFree(wszClsidMajorType);
1368     if (wszClsidSubType)
1369         CoTaskMemFree(wszClsidSubType);
1370
1371     return hr;
1372 }
1373
1374 static HRESULT WINAPI FilterMapper_UnregisterFilter(IFilterMapper * iface, CLSID Filter)
1375 {
1376     HRESULT hr;
1377     LPWSTR wszClsid = NULL;
1378     HKEY hKey;
1379     WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1380
1381     TRACE("(%p)->(%s)\n", iface, debugstr_guid(&Filter));
1382
1383     hr = StringFromCLSID(&Filter, &wszClsid);
1384
1385     if (SUCCEEDED(hr))
1386     {
1387         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszFilter, 0, KEY_WRITE, &hKey));
1388     }
1389
1390     if (SUCCEEDED(hr))
1391     {
1392         hr = HRESULT_FROM_WIN32(RegDeleteKeyW(hKey, wszClsid));
1393         CloseHandle(hKey);
1394     }
1395
1396     if (SUCCEEDED(hr))
1397     {
1398         strcpyW(wszKeyName, wszClsidSlash);
1399         strcatW(wszKeyName, wszClsid);
1400
1401         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey));
1402     }
1403
1404     if (SUCCEEDED(hr))
1405     {
1406         hr = HRESULT_FROM_WIN32(RegDeleteKeyW(hKey, wszMeritName));
1407         CloseHandle(hKey);
1408     }
1409
1410     if (wszClsid)
1411         CoTaskMemFree(wszClsid);
1412
1413     return hr;
1414 }
1415
1416 static HRESULT WINAPI FilterMapper_UnregisterFilterInstance(IFilterMapper * iface, CLSID MRId)
1417 {
1418     TRACE("(%p)->(%s)\n", iface, debugstr_guid(&MRId));
1419
1420     /* Not implemented in Windows (tested on Win2k) */
1421
1422     return E_NOTIMPL;
1423 }
1424
1425 static HRESULT WINAPI FilterMapper_UnregisterPin(IFilterMapper * iface, CLSID Filter, LPCWSTR Name)
1426 {
1427     HRESULT hr;
1428     LPWSTR wszClsid = NULL;
1429     HKEY hKey = NULL;
1430     WCHAR * wszPinNameKey;
1431     WCHAR wszKeyName[strlenW(wszClsidSlash) + (CHARS_IN_GUID-1) + 1];
1432
1433     TRACE("(%p)->(%s, %s)\n", iface, debugstr_guid(&Filter), debugstr_w(Name));
1434
1435     if (!Name)
1436         return E_INVALIDARG;
1437
1438     hr = StringFromCLSID(&Filter, &wszClsid);
1439
1440     if (SUCCEEDED(hr))
1441     {
1442         strcpyW(wszKeyName, wszClsidSlash);
1443         strcatW(wszKeyName, wszClsid);
1444
1445         hr = HRESULT_FROM_WIN32(RegOpenKeyExW(HKEY_CLASSES_ROOT, wszKeyName, 0, KEY_WRITE, &hKey));
1446     }
1447
1448     if (SUCCEEDED(hr))
1449     {
1450         wszPinNameKey = CoTaskMemAlloc((strlenW(wszPins) + 1 + strlenW(Name) + 1) * 2);
1451         if (!wszPinNameKey)
1452             hr = E_OUTOFMEMORY;
1453     }
1454
1455     if (SUCCEEDED(hr))
1456     {
1457         strcpyW(wszPinNameKey, wszPins);
1458         strcatW(wszPinNameKey, wszSlash);
1459         strcatW(wszPinNameKey, Name);
1460
1461         hr = HRESULT_FROM_WIN32(RegDeleteKeyW(hKey, wszPinNameKey));
1462         CoTaskMemFree(wszPinNameKey);
1463     }
1464
1465     if (wszClsid)
1466         CoTaskMemFree(wszClsid);
1467     if (hKey)
1468         CloseHandle(hKey);
1469
1470     return hr;
1471 }
1472
1473 static IFilterMapperVtbl fmvtbl =
1474 {
1475
1476     FilterMapper_QueryInterface,
1477     FilterMapper_AddRef,
1478     FilterMapper_Release,
1479
1480     FilterMapper_RegisterFilter,
1481     FilterMapper_RegisterFilterInstance,
1482     FilterMapper_RegisterPin,
1483     FilterMapper_RegisterPinType,
1484     FilterMapper_UnregisterFilter,
1485     FilterMapper_UnregisterFilterInstance,
1486     FilterMapper_UnregisterPin,
1487     FilterMapper_EnumMatchingFilters
1488 };