git.oblomov.eu Git - wine/blob - dlls/quartz/regsvr.c

   1 /*
   2  *      self-registerable dll functions for quartz.dll
   3  *
   4  * Copyright (C) 2003 John K. Hohm
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21 #define NONAMELESSUNION
  22 #define NONAMELESSSTRUCT
  23 #define COBJMACROS
  24 #define COM_NO_WINDOWS_H
  25 #include <stdarg.h>
  26 #include <string.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "winuser.h"
  31 #include "winreg.h"
  32 #include "winerror.h"
  33
  34 #include "ole2.h"
  35 #include "uuids.h"
  36 #include "strmif.h"
  37
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  41
  42 /*
  43  * Near the bottom of this file are the exported DllRegisterServer and
  44  * DllUnregisterServer, which make all this worthwhile.
  45  */
  46
  47 /***********************************************************************
  48  *              interface for self-registering
  49  */
  50 struct regsvr_interface
  51 {
  52     IID const *iid;             /* NULL for end of list */
  53     LPCSTR name;                /* can be NULL to omit */
  54     IID const *base_iid;        /* can be NULL to omit */
  55     int num_methods;            /* can be <0 to omit */
  56     CLSID const *ps_clsid;      /* can be NULL to omit */
  57     CLSID const *ps_clsid32;    /* can be NULL to omit */
  58 };
  59
  60 static HRESULT register_interfaces(struct regsvr_interface const *list);
  61 static HRESULT unregister_interfaces(struct regsvr_interface const *list);
  62
  63 struct regsvr_coclass
  64 {
  65     CLSID const *clsid;         /* NULL for end of list */
  66     LPCSTR name;                /* can be NULL to omit */
  67     LPCSTR ips;                 /* can be NULL to omit */
  68     LPCSTR ips32;               /* can be NULL to omit */
  69     LPCSTR ips32_tmodel;        /* can be NULL to omit */
  70     LPCSTR progid;              /* can be NULL to omit */
  71     LPCSTR viprogid;            /* can be NULL to omit */
  72     LPCSTR progid_extra;        /* can be NULL to omit */
  73 };
  74
  75 static HRESULT register_coclasses(struct regsvr_coclass const *list);
  76 static HRESULT unregister_coclasses(struct regsvr_coclass const *list);
  77
  78 struct regsvr_mediatype_parsing
  79 {
  80     CLSID const *majortype;     /* NULL for end of list */
  81     CLSID const *subtype;
  82     LPCSTR line[11];            /* NULL for end of list */
  83 };
  84
  85 static HRESULT register_mediatypes_parsing(struct regsvr_mediatype_parsing const *list);
  86 static HRESULT unregister_mediatypes_parsing(struct regsvr_mediatype_parsing const *list);
  87
  88 struct regsvr_mediatype_extension
  89 {
  90     CLSID const *majortype;     /* NULL for end of list */
  91     CLSID const *subtype;
  92     LPCSTR extension;
  93 };
  94
  95 struct mediatype
  96 {
  97     CLSID const *majortype;     /* NULL for end of list */
  98     CLSID const *subtype;
  99     DWORD fourcc;
 100 };
 101
 102 struct pin
 103 {
 104     DWORD flags;                /* 0xFFFFFFFF for end of list */
 105     struct mediatype mediatypes[11];
 106 };
 107
 108 struct regsvr_filter
 109 {
 110     CLSID const *clsid;         /* NULL for end of list */
 111     CLSID const *category;
 112     WCHAR name[50];
 113     DWORD merit;
 114     struct pin pins[11];
 115 };
 116
 117 static HRESULT register_mediatypes_extension(struct regsvr_mediatype_extension const *list);
 118 static HRESULT unregister_mediatypes_extension(struct regsvr_mediatype_extension const *list);
 119
 120 static HRESULT register_filters(struct regsvr_filter const *list);
 121 static HRESULT unregister_filters(struct regsvr_filter const *list);
 122
 123 /***********************************************************************
 124  *              static string constants
 125  */
 126 static WCHAR const interface_keyname[10] = {
 127     'I', 'n', 't', 'e', 'r', 'f', 'a', 'c', 'e', 0 };
 128 static WCHAR const base_ifa_keyname[14] = {
 129     'B', 'a', 's', 'e', 'I', 'n', 't', 'e', 'r', 'f', 'a', 'c',
 130     'e', 0 };
 131 static WCHAR const num_methods_keyname[11] = {
 132     'N', 'u', 'm', 'M', 'e', 't', 'h', 'o', 'd', 's', 0 };
 133 static WCHAR const ps_clsid_keyname[15] = {
 134     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 135     'i', 'd', 0 };
 136 static WCHAR const ps_clsid32_keyname[17] = {
 137     'P', 'r', 'o', 'x', 'y', 'S', 't', 'u', 'b', 'C', 'l', 's',
 138     'i', 'd', '3', '2', 0 };
 139 static WCHAR const clsid_keyname[6] = {
 140     'C', 'L', 'S', 'I', 'D', 0 };
 141 static WCHAR const curver_keyname[7] = {
 142     'C', 'u', 'r', 'V', 'e', 'r', 0 };
 143 static WCHAR const ips_keyname[13] = {
 144     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 145     0 };
 146 static WCHAR const ips32_keyname[15] = {
 147     'I', 'n', 'P', 'r', 'o', 'c', 'S', 'e', 'r', 'v', 'e', 'r',
 148     '3', '2', 0 };
 149 static WCHAR const progid_keyname[7] = {
 150     'P', 'r', 'o', 'g', 'I', 'D', 0 };
 151 static WCHAR const viprogid_keyname[25] = {
 152     'V', 'e', 'r', 's', 'i', 'o', 'n', 'I', 'n', 'd', 'e', 'p',
 153     'e', 'n', 'd', 'e', 'n', 't', 'P', 'r', 'o', 'g', 'I', 'D',
 154     0 };
 155 static char const tmodel_valuename[] = "ThreadingModel";
 156 static WCHAR const mediatype_name[11] = {
 157     'M', 'e', 'd', 'i', 'a', ' ', 'T', 'y', 'p', 'e', 0 };
 158 static WCHAR const subtype_valuename[8] = {
 159     'S', 'u', 'b', 't', 'y', 'p', 'e', 0 };
 160 static WCHAR const sourcefilter_valuename[14] = {
 161     'S', 'o', 'u', 'r', 'c', 'e', ' ', 'F', 'i', 'l', 't', 'e', 'r', 0 };
 162 static WCHAR const extensions_keyname[11] = {
 163     'E', 'x', 't', 'e', 'n', 's', 'i', 'o', 'n', 's', 0 };
 164
 165 /***********************************************************************
 166  *              static helper functions
 167  */
 168 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid);
 169 static LONG register_key_defvalueW(HKEY base, WCHAR const *name,
 170                                    WCHAR const *value);
 171 static LONG register_key_defvalueA(HKEY base, WCHAR const *name,
 172                                    char const *value);
 173 static LONG register_progid(WCHAR const *clsid,
 174                             char const *progid, char const *curver_progid,
 175                             char const *name, char const *extra);
 176 static LONG recursive_delete_key(HKEY key);
 177 static LONG recursive_delete_keyA(HKEY base, char const *name);
 178 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name);
 179
 180 /***********************************************************************
 181  *              register_interfaces
 182  */
 183 static HRESULT register_interfaces(struct regsvr_interface const *list)
 184 {
 185     LONG res = ERROR_SUCCESS;
 186     HKEY interface_key;
 187
 188     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0, NULL, 0,
 189                           KEY_READ | KEY_WRITE, NULL, &interface_key, NULL);
 190     if (res != ERROR_SUCCESS) goto error_return;
 191
 192     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 193         WCHAR buf[39];
 194         HKEY iid_key;
 195
 196         StringFromGUID2(list->iid, buf, 39);
 197         res = RegCreateKeyExW(interface_key, buf, 0, NULL, 0,
 198                               KEY_READ | KEY_WRITE, NULL, &iid_key, NULL);
 199         if (res != ERROR_SUCCESS) goto error_close_interface_key;
 200
 201         if (list->name) {
 202             res = RegSetValueExA(iid_key, NULL, 0, REG_SZ,
 203                                  (CONST BYTE*)(list->name),
 204                                  strlen(list->name) + 1);
 205             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 206         }
 207
 208         if (list->base_iid) {
 209             register_key_guid(iid_key, base_ifa_keyname, list->base_iid);
 210             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 211         }
 212
 213         if (0 <= list->num_methods) {
 214             static WCHAR const fmt[3] = { '%', 'd', 0 };
 215             HKEY key;
 216
 217             res = RegCreateKeyExW(iid_key, num_methods_keyname, 0, NULL, 0,
 218                                   KEY_READ | KEY_WRITE, NULL, &key, NULL);
 219             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 220
 221             wsprintfW(buf, fmt, list->num_methods);
 222             res = RegSetValueExW(key, NULL, 0, REG_SZ,
 223                                  (CONST BYTE*)buf,
 224                                  (lstrlenW(buf) + 1) * sizeof(WCHAR));
 225             RegCloseKey(key);
 226
 227             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 228         }
 229
 230         if (list->ps_clsid) {
 231             register_key_guid(iid_key, ps_clsid_keyname, list->ps_clsid);
 232             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 233         }
 234
 235         if (list->ps_clsid32) {
 236             register_key_guid(iid_key, ps_clsid32_keyname, list->ps_clsid32);
 237             if (res != ERROR_SUCCESS) goto error_close_iid_key;
 238         }
 239
 240     error_close_iid_key:
 241         RegCloseKey(iid_key);
 242     }
 243
 244 error_close_interface_key:
 245     RegCloseKey(interface_key);
 246 error_return:
 247     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 248 }
 249
 250 /***********************************************************************
 251  *              unregister_interfaces
 252  */
 253 static HRESULT unregister_interfaces(struct regsvr_interface const *list)
 254 {
 255     LONG res = ERROR_SUCCESS;
 256     HKEY interface_key;
 257
 258     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, interface_keyname, 0,
 259                         KEY_READ | KEY_WRITE, &interface_key);
 260     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 261     if (res != ERROR_SUCCESS) goto error_return;
 262
 263     for (; res == ERROR_SUCCESS && list->iid; ++list) {
 264         WCHAR buf[39];
 265
 266         StringFromGUID2(list->iid, buf, 39);
 267         res = recursive_delete_keyW(interface_key, buf);
 268     }
 269
 270     RegCloseKey(interface_key);
 271 error_return:
 272     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 273 }
 274
 275 /***********************************************************************
 276  *              register_coclasses
 277  */
 278 static HRESULT register_coclasses(struct regsvr_coclass const *list)
 279 {
 280     LONG res = ERROR_SUCCESS;
 281     HKEY coclass_key;
 282
 283     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0, NULL, 0,
 284                           KEY_READ | KEY_WRITE, NULL, &coclass_key, NULL);
 285     if (res != ERROR_SUCCESS) goto error_return;
 286
 287     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 288         WCHAR buf[39];
 289         HKEY clsid_key;
 290
 291         StringFromGUID2(list->clsid, buf, 39);
 292         res = RegCreateKeyExW(coclass_key, buf, 0, NULL, 0,
 293                               KEY_READ | KEY_WRITE, NULL, &clsid_key, NULL);
 294         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 295
 296         if (list->name) {
 297             res = RegSetValueExA(clsid_key, NULL, 0, REG_SZ,
 298                                  (CONST BYTE*)(list->name),
 299                                  strlen(list->name) + 1);
 300             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 301         }
 302
 303         if (list->ips) {
 304             res = register_key_defvalueA(clsid_key, ips_keyname, list->ips);
 305             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 306         }
 307
 308         if (list->ips32) {
 309             HKEY ips32_key;
 310
 311             res = RegCreateKeyExW(clsid_key, ips32_keyname, 0, NULL, 0,
 312                                   KEY_READ | KEY_WRITE, NULL,
 313                                   &ips32_key, NULL);
 314             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 315
 316             res = RegSetValueExA(ips32_key, NULL, 0, REG_SZ,
 317                                  (CONST BYTE*)list->ips32,
 318                                  lstrlenA(list->ips32) + 1);
 319             if (res == ERROR_SUCCESS && list->ips32_tmodel)
 320                 res = RegSetValueExA(ips32_key, tmodel_valuename, 0, REG_SZ,
 321                                      (CONST BYTE*)list->ips32_tmodel,
 322                                      strlen(list->ips32_tmodel) + 1);
 323             RegCloseKey(ips32_key);
 324             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 325         }
 326
 327         if (list->progid) {
 328             res = register_key_defvalueA(clsid_key, progid_keyname,
 329                                          list->progid);
 330             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 331
 332             res = register_progid(buf, list->progid, NULL,
 333                                   list->name, list->progid_extra);
 334             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 335         }
 336
 337         if (list->viprogid) {
 338             res = register_key_defvalueA(clsid_key, viprogid_keyname,
 339                                          list->viprogid);
 340             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 341
 342             res = register_progid(buf, list->viprogid, list->progid,
 343                                   list->name, list->progid_extra);
 344             if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 345         }
 346
 347     error_close_clsid_key:
 348         RegCloseKey(clsid_key);
 349     }
 350
 351 error_close_coclass_key:
 352     RegCloseKey(coclass_key);
 353 error_return:
 354     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 355 }
 356
 357 /***********************************************************************
 358  *              unregister_coclasses
 359  */
 360 static HRESULT unregister_coclasses(struct regsvr_coclass const *list)
 361 {
 362     LONG res = ERROR_SUCCESS;
 363     HKEY coclass_key;
 364
 365     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, clsid_keyname, 0,
 366                         KEY_READ | KEY_WRITE, &coclass_key);
 367     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 368     if (res != ERROR_SUCCESS) goto error_return;
 369
 370     for (; res == ERROR_SUCCESS && list->clsid; ++list) {
 371         WCHAR buf[39];
 372
 373         StringFromGUID2(list->clsid, buf, 39);
 374         res = recursive_delete_keyW(coclass_key, buf);
 375         if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 376
 377         if (list->progid) {
 378             res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->progid);
 379             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 380         }
 381
 382         if (list->viprogid) {
 383             res = recursive_delete_keyA(HKEY_CLASSES_ROOT, list->viprogid);
 384             if (res != ERROR_SUCCESS) goto error_close_coclass_key;
 385         }
 386     }
 387
 388 error_close_coclass_key:
 389     RegCloseKey(coclass_key);
 390 error_return:
 391     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 392 }
 393
 394 /***********************************************************************
 395  *              register_mediatypes_parsing
 396  */
 397 static HRESULT register_mediatypes_parsing(struct regsvr_mediatype_parsing const *list)
 398 {
 399     LONG res = ERROR_SUCCESS;
 400     HKEY mediatype_key;
 401     WCHAR buf[39];
 402     int i;
 403
 404     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, mediatype_name, 0, NULL, 0,
 405                           KEY_READ | KEY_WRITE, NULL, &mediatype_key, NULL);
 406     if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
 407
 408     for (; res == ERROR_SUCCESS && list->majortype; ++list) {
 409         HKEY majortype_key = NULL;
 410         HKEY subtype_key = NULL;
 411
 412         StringFromGUID2(list->majortype, buf, 39);
 413         res = RegCreateKeyExW(mediatype_key, buf, 0, NULL, 0,
 414                               KEY_READ | KEY_WRITE, NULL, &majortype_key, NULL);
 415         if (res != ERROR_SUCCESS) goto error_close_keys;
 416
 417         StringFromGUID2(list->subtype, buf, 39);
 418         res = RegCreateKeyExW(majortype_key, buf, 0, NULL, 0,
 419                               KEY_READ | KEY_WRITE, NULL, &subtype_key, NULL);
 420         if (res != ERROR_SUCCESS) goto error_close_keys;
 421
 422         StringFromGUID2(&CLSID_AsyncReader, buf, 39);
 423         res = RegSetValueExW(subtype_key, sourcefilter_valuename, 0, REG_SZ, (CONST BYTE*)buf,
 424                              (lstrlenW(buf) + 1) * sizeof(WCHAR));
 425         if (res != ERROR_SUCCESS) goto error_close_keys;
 426
 427         for(i = 0; list->line[i]; i++) {
 428             char buffer[3];
 429             wsprintfA(buffer, "%d", i);
 430             res = RegSetValueExA(subtype_key, buffer, 0, REG_SZ, (CONST BYTE*)list->line[i],
 431                                  lstrlenA(list->line[i]));
 432             if (res != ERROR_SUCCESS) goto error_close_keys;
 433         }
 434
 435 error_close_keys:
 436         if (majortype_key)
 437             RegCloseKey(majortype_key);
 438         if (subtype_key)
 439             RegCloseKey(subtype_key);
 440     }
 441
 442     RegCloseKey(mediatype_key);
 443
 444     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 445 }
 446
 447 /***********************************************************************
 448  *              register_mediatypes_extension
 449  */
 450 static HRESULT register_mediatypes_extension(struct regsvr_mediatype_extension const *list)
 451 {
 452     LONG res = ERROR_SUCCESS;
 453     HKEY mediatype_key;
 454     HKEY extensions_root_key = NULL;
 455     WCHAR buf[39];
 456
 457     res = RegCreateKeyExW(HKEY_CLASSES_ROOT, mediatype_name, 0, NULL, 0,
 458                           KEY_READ | KEY_WRITE, NULL, &mediatype_key, NULL);
 459     if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
 460
 461     res = RegCreateKeyExW(mediatype_key, extensions_keyname, 0, NULL, 0,
 462                           KEY_READ | KEY_WRITE, NULL, &extensions_root_key, NULL);
 463     if (res != ERROR_SUCCESS) goto error_return;
 464
 465     for (; res == ERROR_SUCCESS && list->majortype; ++list) {
 466         HKEY extension_key;
 467
 468         res = RegCreateKeyExA(extensions_root_key, list->extension, 0, NULL, 0,
 469                               KEY_READ | KEY_WRITE, NULL, &extension_key, NULL);
 470         if (res != ERROR_SUCCESS) break;
 471
 472         StringFromGUID2(list->majortype, buf, 39);
 473         res = RegSetValueExW(extension_key, mediatype_name, 0, REG_SZ, (CONST BYTE*)buf,
 474                              (lstrlenW(buf) + 1) * sizeof(WCHAR));
 475         if (res != ERROR_SUCCESS) goto error_close_key;
 476
 477         StringFromGUID2(list->subtype, buf, 39);
 478         res = RegSetValueExW(extension_key, subtype_valuename, 0, REG_SZ, (CONST BYTE*)buf,
 479                              (lstrlenW(buf) + 1) * sizeof(WCHAR));
 480         if (res != ERROR_SUCCESS) goto error_close_key;
 481
 482         StringFromGUID2(&CLSID_AsyncReader, buf, 39);
 483         res = RegSetValueExW(extension_key, sourcefilter_valuename, 0, REG_SZ, (CONST BYTE*)buf,
 484                              (lstrlenW(buf) + 1) * sizeof(WCHAR));
 485         if (res != ERROR_SUCCESS) goto error_close_key;
 486
 487 error_close_key:
 488         RegCloseKey(extension_key);
 489     }
 490
 491 error_return:
 492     RegCloseKey(mediatype_key);
 493     if (extensions_root_key)
 494         RegCloseKey(extensions_root_key);
 495
 496     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 497 }
 498
 499 /***********************************************************************
 500  *              unregister_mediatypes_parsing
 501  */
 502 static HRESULT unregister_mediatypes_parsing(struct regsvr_mediatype_parsing const *list)
 503 {
 504     LONG res;
 505     HKEY mediatype_key;
 506     HKEY majortype_key;
 507     WCHAR buf[39];
 508
 509     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, mediatype_name, 0,
 510                         KEY_READ | KEY_WRITE, &mediatype_key);
 511     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 512     if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
 513
 514     for (; res == ERROR_SUCCESS && list->majortype; ++list) {
 515         StringFromGUID2(list->majortype, buf, 39);
 516         res = RegOpenKeyExW(mediatype_key, buf, 0,
 517                         KEY_READ | KEY_WRITE, &majortype_key);
 518         if (res == ERROR_FILE_NOT_FOUND) {
 519             res = ERROR_SUCCESS;
 520             continue;
 521         }
 522         if (res != ERROR_SUCCESS) break;
 523
 524         StringFromGUID2(list->subtype, buf, 39);
 525         res = recursive_delete_keyW(majortype_key, buf);
 526         if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 527
 528         /* Removed majortype key if there is no more subtype key */
 529         res = RegDeleteKeyW(majortype_key, 0);
 530         if (res == ERROR_ACCESS_DENIED) res = ERROR_SUCCESS;
 531
 532         RegCloseKey(majortype_key);
 533     }
 534
 535     RegCloseKey(mediatype_key);
 536
 537     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 538 }
 539
 540 /***********************************************************************
 541  *              unregister_mediatypes_extension
 542  */
 543 static HRESULT unregister_mediatypes_extension(struct regsvr_mediatype_extension const *list)
 544 {
 545     LONG res;
 546     HKEY mediatype_key;
 547     HKEY extensions_root_key = NULL;
 548
 549     res = RegOpenKeyExW(HKEY_CLASSES_ROOT, mediatype_name, 0,
 550                         KEY_READ | KEY_WRITE, &mediatype_key);
 551     if (res == ERROR_FILE_NOT_FOUND) return S_OK;
 552     if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
 553
 554     res = RegOpenKeyExW(mediatype_key, extensions_keyname, 0,
 555                         KEY_READ | KEY_WRITE, &extensions_root_key);
 556     if (res == ERROR_FILE_NOT_FOUND)
 557         res = ERROR_SUCCESS;
 558     else if (res == ERROR_SUCCESS)
 559         for (; res == ERROR_SUCCESS && list->majortype; ++list) {
 560             res = recursive_delete_keyA(extensions_root_key, list->extension);
 561             if (res == ERROR_FILE_NOT_FOUND) res = ERROR_SUCCESS;
 562         }
 563
 564     RegCloseKey(mediatype_key);
 565     if (extensions_root_key)
 566         RegCloseKey(extensions_root_key);
 567
 568     return res != ERROR_SUCCESS ? HRESULT_FROM_WIN32(res) : S_OK;
 569 }
 570
 571 /***********************************************************************
 572  *              register_filters
 573  */
 574 static HRESULT register_filters(struct regsvr_filter const *list)
 575 {
 576     HRESULT hr;
 577     IFilterMapper2* pFM2 = NULL;
 578
 579     CoInitialize(NULL);
 580     hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, &IID_IFilterMapper2, (LPVOID*)&pFM2);
 581
 582     if (SUCCEEDED(hr)) {
 583         for (; SUCCEEDED(hr) && list->clsid; ++list) {
 584             REGFILTER2 rf2;
 585             REGFILTERPINS2* prfp2;
 586             int i;
 587
 588             for (i = 0; list->pins[i].flags != 0xFFFFFFFF; i++) ;
 589             rf2.dwVersion = 2;
 590             rf2.dwMerit = list->merit;
 591             rf2.u.s1.cPins2 = i;
 592             rf2.u.s1.rgPins2 = prfp2 = (REGFILTERPINS2*) CoTaskMemAlloc(i*sizeof(REGFILTERPINS2));
 593             if (!prfp2) {
 594                 hr = E_OUTOFMEMORY;
 595                 break;
 596             }
 597             for (i = 0; list->pins[i].flags != 0xFFFFFFFF; i++) {
 598                 REGPINTYPES* lpMediatype;
 599                 CLSID* lpClsid;
 600                 int j, nbmt;
 601
 602                 for (nbmt = 0; list->pins[i].mediatypes[nbmt].majortype; nbmt++) ;
 603                 /* Allocate a single buffer for regpintypes struct and clsids */
 604                 lpMediatype = (REGPINTYPES*) CoTaskMemAlloc(nbmt*(sizeof(REGPINTYPES) + 2*sizeof(CLSID)));
 605                 if (!lpMediatype) {
 606                     hr = E_OUTOFMEMORY;
 607                     break;
 608                 }
 609                 lpClsid = (CLSID*) (lpMediatype + nbmt);
 610                 for (j = 0; j < nbmt; j++) {
 611                     (lpMediatype + j)->clsMajorType = lpClsid + j*2;
 612                     memcpy(lpClsid + j*2, list->pins[i].mediatypes[j].majortype, sizeof(CLSID));
 613                     (lpMediatype + j)->clsMinorType = lpClsid + j*2 + 1;
 614                     if (list->pins[i].mediatypes[j].subtype)
 615                         memcpy(lpClsid + j*2 + 1, list->pins[i].mediatypes[j].subtype, sizeof(CLSID));
 616                     else {
 617                         /* Subtype are often a combination of major type + fourcc/tag */
 618                         memcpy(lpClsid + j*2 + 1, list->pins[i].mediatypes[j].majortype, sizeof(CLSID));
 619                         *(DWORD*)(lpClsid + j*2 + 1) = list->pins[i].mediatypes[j].fourcc;
 620                     }
 621                 }
 622                 prfp2[i].dwFlags = list->pins[i].flags;
 623                 prfp2[i].cInstances = 0;
 624                 prfp2[i].nMediaTypes = j;
 625                 prfp2[i].lpMediaType = lpMediatype;
 626                 prfp2[i].nMediums = 0;
 627                 prfp2[i].lpMedium = NULL;
 628                 prfp2[i].clsPinCategory = NULL;
 629             }
 630
 631             if (FAILED(hr)) {
 632                 ERR("failed to register with hresult 0x%lx\n", hr);
 633                 CoTaskMemFree(prfp2);
 634                 break;
 635             }
 636
 637             hr = IFilterMapper2_RegisterFilter(pFM2, list->clsid, list->name, NULL, list->category, NULL, &rf2);
 638
 639             while (i) {
 640                 CoTaskMemFree((REGPINTYPES*)prfp2[i-1].lpMediaType);
 641                 i--;
 642             }
 643             CoTaskMemFree(prfp2);
 644         }
 645     }
 646
 647     if (pFM2)
 648         IFilterMapper2_Release(pFM2);
 649
 650     CoUninitialize();
 651
 652     return hr;
 653 }
 654
 655 /***********************************************************************
 656  *              unregister_filters
 657  */
 658 static HRESULT unregister_filters(struct regsvr_filter const *list)
 659 {
 660     HRESULT hr;
 661     IFilterMapper2* pFM2;
 662
 663     CoInitialize(NULL);
 664
 665     hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, &IID_IFilterMapper2, (LPVOID*)&pFM2);
 666
 667     if (SUCCEEDED(hr)) {
 668         for (; SUCCEEDED(hr) && list->clsid; ++list)
 669             hr = IFilterMapper2_UnregisterFilter(pFM2, list->category, NULL, list->clsid);
 670         IFilterMapper2_Release(pFM2);
 671     }
 672
 673     CoUninitialize();
 674
 675     return hr;
 676 }
 677
 678 /***********************************************************************
 679  *              regsvr_key_guid
 680  */
 681 static LONG register_key_guid(HKEY base, WCHAR const *name, GUID const *guid)
 682 {
 683     WCHAR buf[39];
 684
 685     StringFromGUID2(guid, buf, 39);
 686     return register_key_defvalueW(base, name, buf);
 687 }
 688
 689 /***********************************************************************
 690  *              regsvr_key_defvalueW
 691  */
 692 static LONG register_key_defvalueW(
 693     HKEY base,
 694     WCHAR const *name,
 695     WCHAR const *value)
 696 {
 697     LONG res;
 698     HKEY key;
 699
 700     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 701                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 702     if (res != ERROR_SUCCESS) return res;
 703     res = RegSetValueExW(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 704                          (lstrlenW(value) + 1) * sizeof(WCHAR));
 705     RegCloseKey(key);
 706     return res;
 707 }
 708
 709 /***********************************************************************
 710  *              regsvr_key_defvalueA
 711  */
 712 static LONG register_key_defvalueA(
 713     HKEY base,
 714     WCHAR const *name,
 715     char const *value)
 716 {
 717     LONG res;
 718     HKEY key;
 719
 720     res = RegCreateKeyExW(base, name, 0, NULL, 0,
 721                           KEY_READ | KEY_WRITE, NULL, &key, NULL);
 722     if (res != ERROR_SUCCESS) return res;
 723     res = RegSetValueExA(key, NULL, 0, REG_SZ, (CONST BYTE*)value,
 724                          lstrlenA(value) + 1);
 725     RegCloseKey(key);
 726     return res;
 727 }
 728
 729 /***********************************************************************
 730  *              regsvr_progid
 731  */
 732 static LONG register_progid(
 733     WCHAR const *clsid,
 734     char const *progid,
 735     char const *curver_progid,
 736     char const *name,
 737     char const *extra)
 738 {
 739     LONG res;
 740     HKEY progid_key;
 741
 742     res = RegCreateKeyExA(HKEY_CLASSES_ROOT, progid, 0,
 743                           NULL, 0, KEY_READ | KEY_WRITE, NULL,
 744                           &progid_key, NULL);
 745     if (res != ERROR_SUCCESS) return res;
 746
 747     if (name) {
 748         res = RegSetValueExA(progid_key, NULL, 0, REG_SZ,
 749                              (CONST BYTE*)name, strlen(name) + 1);
 750         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 751     }
 752
 753     if (clsid) {
 754         res = register_key_defvalueW(progid_key, clsid_keyname, clsid);
 755         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 756     }
 757
 758     if (curver_progid) {
 759         res = register_key_defvalueA(progid_key, curver_keyname,
 760                                      curver_progid);
 761         if (res != ERROR_SUCCESS) goto error_close_progid_key;
 762     }
 763
 764     if (extra) {
 765         HKEY extra_key;
 766
 767         res = RegCreateKeyExA(progid_key, extra, 0,
 768                               NULL, 0, KEY_READ | KEY_WRITE, NULL,
 769                               &extra_key, NULL);
 770         if (res == ERROR_SUCCESS)
 771             RegCloseKey(extra_key);
 772     }
 773
 774 error_close_progid_key:
 775     RegCloseKey(progid_key);
 776     return res;
 777 }
 778
 779 /***********************************************************************
 780  *              recursive_delete_key
 781  */
 782 static LONG recursive_delete_key(HKEY key)
 783 {
 784     LONG res;
 785     WCHAR subkey_name[MAX_PATH];
 786     DWORD cName;
 787     HKEY subkey;
 788
 789     for (;;) {
 790         cName = sizeof(subkey_name) / sizeof(WCHAR);
 791         res = RegEnumKeyExW(key, 0, subkey_name, &cName,
 792                             NULL, NULL, NULL, NULL);
 793         if (res != ERROR_SUCCESS && res != ERROR_MORE_DATA) {
 794             res = ERROR_SUCCESS; /* presumably we're done enumerating */
 795             break;
 796         }
 797         res = RegOpenKeyExW(key, subkey_name, 0,
 798                             KEY_READ | KEY_WRITE, &subkey);
 799         if (res == ERROR_FILE_NOT_FOUND) continue;
 800         if (res != ERROR_SUCCESS) break;
 801
 802         res = recursive_delete_key(subkey);
 803         RegCloseKey(subkey);
 804         if (res != ERROR_SUCCESS) break;
 805     }
 806
 807     if (res == ERROR_SUCCESS) res = RegDeleteKeyW(key, 0);
 808     return res;
 809 }
 810
 811 /***********************************************************************
 812  *              recursive_delete_keyA
 813  */
 814 static LONG recursive_delete_keyA(HKEY base, char const *name)
 815 {
 816     LONG res;
 817     HKEY key;
 818
 819     res = RegOpenKeyExA(base, name, 0, KEY_READ | KEY_WRITE, &key);
 820     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 821     if (res != ERROR_SUCCESS) return res;
 822     res = recursive_delete_key(key);
 823     RegCloseKey(key);
 824     return res;
 825 }
 826
 827 /***********************************************************************
 828  *              recursive_delete_keyW
 829  */
 830 static LONG recursive_delete_keyW(HKEY base, WCHAR const *name)
 831 {
 832     LONG res;
 833     HKEY key;
 834
 835     res = RegOpenKeyExW(base, name, 0, KEY_READ | KEY_WRITE, &key);
 836     if (res == ERROR_FILE_NOT_FOUND) return ERROR_SUCCESS;
 837     if (res != ERROR_SUCCESS) return res;
 838     res = recursive_delete_key(key);
 839     RegCloseKey(key);
 840     return res;
 841 }
 842
 843
 844 static GUID const CLSID_PSFactoryBuffer = {
 845     0x92a3a302, 0xda7c, 0x4a1f, {0xba,0x7e,0x18,0x02,0xbb,0x5d,0x2d,0x02} };
 846
 847 /***********************************************************************
 848  *              coclass list
 849  */
 850 static struct regsvr_coclass const coclass_list[] = {
 851     {   &CLSID_FilterGraph,
 852         "Filter Graph",
 853         NULL,
 854         "quartz.dll",
 855         "Both"
 856     },
 857     {   &CLSID_FilterGraphNoThread,
 858         "Filter Graph",
 859         NULL,
 860         "quartz.dll",
 861         "Both"
 862     },
 863     {   &CLSID_FilterMapper,
 864         "Filter Mapper",
 865         NULL,
 866         "quartz.dll",
 867         "Both"
 868     },
 869     {   &CLSID_FilterMapper2,
 870         "Filter Mapper2",
 871         NULL,
 872         "quartz.dll",
 873         "Both"
 874     },
 875     {   &CLSID_SystemClock,
 876         "System Clock",
 877         NULL,
 878         "quartz.dll",
 879         "Both"
 880     },
 881     {   &CLSID_MemoryAllocator,
 882         "Memory Allocator",
 883         NULL,
 884         "quartz.dll",
 885         "Both"
 886     },
 887     {   &CLSID_SeekingPassThru,
 888        "Seeking",
 889        NULL,
 890        "quartz.dll",
 891        "Both"
 892     },
 893     {   &CLSID_AsyncReader,
 894         "File Source Filter",
 895         NULL,
 896         "quartz.dll",
 897         "Both"
 898     },
 899     {   &CLSID_AviSplitter,
 900         "AVI Splitter",
 901         NULL,
 902         "quartz.dll",
 903         "Both"
 904     },
 905     {   &CLSID_AVIDec,
 906         "AVI Decompressor",
 907         NULL,
 908         "quartz.dll",
 909         "Both"
 910     },
 911     {   &CLSID_DSoundRender,
 912         "DirectSound Audio Renderer",
 913         NULL,
 914         "quartz.dll",
 915         "Both"
 916     },
 917     {   &CLSID_VideoRenderer,
 918         "Video Renderer",
 919         NULL,
 920         "quartz.dll",
 921         "Both"
 922     },
 923     {   &CLSID_ACMWrapper,
 924         "ACM wrapper",
 925         NULL,
 926         "quartz.dll",
 927         "Both"
 928     },
 929     {   &CLSID_WAVEParser,
 930         "Wave Parser",
 931         NULL,
 932         "quartz.dll",
 933         "Both"
 934     },
 935     { NULL }                    /* list terminator */
 936 };
 937
 938 /***********************************************************************
 939  *              interface list
 940  */
 941
 942 static struct regsvr_interface const interface_list[] = {
 943     {   &IID_IFilterGraph,
 944         "IFilterGraph",
 945         NULL,
 946         11,
 947         NULL,
 948         &CLSID_PSFactoryBuffer
 949     },
 950     {   &IID_IFilterGraph2,
 951         "IFilterGraph2",
 952         NULL,
 953         21,
 954         NULL,
 955         &CLSID_PSFactoryBuffer
 956     },
 957     {   &IID_IFilterMapper,
 958         "IFilterMapper",
 959         NULL,
 960         11,
 961         NULL,
 962         &CLSID_PSFactoryBuffer
 963     },
 964     {   &IID_IFilterMapper2,
 965         "IFilterMapper2",
 966         NULL,
 967         7,
 968         NULL,
 969         &CLSID_PSFactoryBuffer
 970     },
 971     /* FIXME:
 972     {   &IID_SeekingPassThru,
 973         "ISeekingPassThru",
 974         NULL,
 975         4,
 976         NULL,
 977         &CLSID_PSFactoryBuffer
 978     },
 979     {   &IID_AsyncReader,
 980         "IAsyncReader",
 981         NULL,
 982         11,
 983         NULL,
 984         &CLSID_PSFactoryBuffer
 985     },
 986     {   &IID_WAVEParser,
 987         "IWAVEParser",
 988         NULL,
 989         11,
 990         NULL,
 991         &CLSID_PSFactoryBuffer
 992     },*/
 993     { NULL }                    /* list terminator */
 994 };
 995
 996 /***********************************************************************
 997  *              mediatype list
 998  */
 999
1000 static struct regsvr_mediatype_parsing const mediatype_parsing_list[] = {
1001     {   &MEDIATYPE_Stream,
1002         &MEDIASUBTYPE_Avi,
1003         {   "0,4,,52494646,8,4,,41564920",
1004             NULL }
1005     },
1006     {   &MEDIATYPE_Stream,
1007         &MEDIASUBTYPE_MPEG1System,
1008         {   "0, 16, FFFFFFFFF100010001800001FFFFFFFF, 000001BA2100010001800001000001BB",
1009             NULL }
1010     },
1011     {   &MEDIATYPE_Stream,
1012         &MEDIASUBTYPE_MPEG1VideoCD,
1013         {   "0, 4, , 52494646, 8, 8, , 43445841666D7420, 36, 20, FFFFFFFF00000000FFFFFFFFFFFFFFFFFFFFFFFF, 646174610000000000FFFFFFFFFFFFFFFFFFFF00",
1014             NULL }
1015     },
1016     {   &MEDIATYPE_Stream,
1017         &MEDIASUBTYPE_MPEG1Video,
1018         {   "0, 4, , 000001B3",
1019             NULL }
1020     },
1021     {   &MEDIATYPE_Stream,
1022         &MEDIASUBTYPE_MPEG1Audio,
1023         {   "0, 2, FFE0, FFE0",
1024             "0, 10, FFFFFFFF000000000000, 494433030080808080",
1025             NULL }
1026     },
1027     {   &MEDIATYPE_Stream,
1028         &MEDIASUBTYPE_QTMovie,
1029         {   "4, 4, , 6d646174",
1030             "4, 4, , 6d6f6f76",
1031             NULL }
1032     },
1033     {   &MEDIATYPE_Stream,
1034         &MEDIASUBTYPE_WAVE,
1035         {   "0,4,,52494646,8,4,,57415645",
1036             NULL }
1037     },
1038     {   &MEDIATYPE_Stream,
1039         &MEDIASUBTYPE_AU,
1040         {   "0,4,,2e736e64",
1041             NULL }
1042     },
1043     {   &MEDIATYPE_Stream,
1044         &MEDIASUBTYPE_AIFF,
1045         {   "0,4,,464f524d,8,4,,41494646",
1046             "0,4,,464f524d,8,4,,41494643",
1047             NULL }
1048     },
1049     {   &MEDIATYPE_Stream,
1050         &MEDIATYPE_Text,
1051         {   "0,4,,4C595249",
1052             "0,4,,6C797269",
1053             NULL }
1054     },
1055     {   &MEDIATYPE_Stream,
1056         &MEDIATYPE_Midi,
1057         {   "0,4,,52494646,8,4,,524D4944",
1058             "0,4,,4D546864",
1059             NULL }
1060     },
1061     { NULL }                    /* list terminator */
1062 };
1063
1064 /***********************************************************************
1065  *              mediatype list
1066  */
1067
1068 static struct regsvr_mediatype_extension const mediatype_extension_list[] = {
1069     {   &MEDIATYPE_Stream,
1070         &MEDIASUBTYPE_MPEG1Audio,
1071         ".mp3"
1072     },
1073     { NULL }                    /* list terminator */
1074 };
1075
1076 /***********************************************************************
1077  *              filter list
1078  */
1079
1080 static struct regsvr_filter const filter_list[] = {
1081     {   &CLSID_AviSplitter,
1082         &CLSID_LegacyAmFilterCategory,
1083         {'A','V','I',' ','S','p','l','i','t','t','e','r',0},
1084         0x600000,
1085         {   {   0,
1086                 {   { &MEDIATYPE_Stream, &MEDIASUBTYPE_Avi },
1087                     { NULL }
1088                 },
1089             },
1090             {   REG_PINFLAG_B_OUTPUT,
1091                 {   { &MEDIATYPE_Video, &GUID_NULL },
1092                     { NULL }
1093                 },
1094             },
1095             { 0xFFFFFFFF },
1096         }
1097     },
1098     {   &CLSID_VideoRenderer,
1099         &CLSID_LegacyAmFilterCategory,
1100         {'V','i','d','e','o',' ','R','e','n','d','e','r','e','r',0},
1101         0x800000,
1102         {   {   REG_PINFLAG_B_RENDERER,
1103                 {   { &MEDIATYPE_Video, &GUID_NULL },
1104                     { NULL }
1105                 },
1106             },
1107             { 0xFFFFFFFF },
1108         }
1109     },
1110     {   &CLSID_AVIDec,
1111         &CLSID_LegacyAmFilterCategory,
1112         {'A','V','I',' ','D','e','c','o','m','p','r','e','s','s','o','r',0},
1113         0x600000,
1114         {   {   0,
1115                 {   { &MEDIATYPE_Video, &GUID_NULL },
1116                     { NULL }
1117                 },
1118             },
1119             {   REG_PINFLAG_B_OUTPUT,
1120                 {   { &MEDIATYPE_Video, &GUID_NULL },
1121                     { NULL }
1122                 },
1123             },
1124             { 0xFFFFFFFF },
1125         }
1126     },
1127     {   &CLSID_AsyncReader,
1128         &CLSID_LegacyAmFilterCategory,
1129         {'F','i','l','e',' ','S','o','u','r','c','e',' ','(','A','s','y','n','c','.',')',0},
1130         0x400000,
1131         {   {   REG_PINFLAG_B_OUTPUT,
1132                 {   { &MEDIATYPE_Stream, &GUID_NULL },
1133                     { NULL }
1134                 },
1135             },
1136             { 0xFFFFFFFF },
1137         }
1138     },
1139     {   &CLSID_ACMWrapper,
1140         &CLSID_LegacyAmFilterCategory,
1141         {'A','C','M',' ','W','r','a','p','p','e','r',0},
1142         0x600000,
1143         {   {   0,
1144                 {   { &MEDIATYPE_Audio, &GUID_NULL },
1145                     { NULL }
1146                 },
1147             },
1148             {   REG_PINFLAG_B_OUTPUT,
1149                 {   { &MEDIATYPE_Audio, &GUID_NULL },
1150                     { NULL }
1151                 },
1152             },
1153             { 0xFFFFFFFF },
1154         }
1155     },
1156     {   &CLSID_WAVEParser,
1157         &CLSID_LegacyAmFilterCategory,
1158         {'W','a','v','e',' ','P','a','r','s','e','r',0},
1159         0x400000,
1160         {   {   0,
1161                 {   { &MEDIATYPE_Stream, &MEDIASUBTYPE_WAVE },
1162                     { &MEDIATYPE_Stream, &MEDIASUBTYPE_AU },
1163                     { &MEDIATYPE_Stream, &MEDIASUBTYPE_AIFF },
1164                     { NULL }
1165                 },
1166             },
1167             {   REG_PINFLAG_B_OUTPUT,
1168                 {   { &MEDIATYPE_Audio, &GUID_NULL },
1169                     { NULL }
1170                 },
1171             },
1172             { 0xFFFFFFFF },
1173         }
1174     },
1175     { NULL }            /* list terminator */
1176 };
1177
1178 /***********************************************************************
1179  *              DllRegisterServer (QUARTZ.@)
1180  */
1181 HRESULT WINAPI DllRegisterServer(void)
1182 {
1183     HRESULT hr;
1184
1185     TRACE("\n");
1186
1187     hr = register_coclasses(coclass_list);
1188     if (SUCCEEDED(hr))
1189         hr = register_interfaces(interface_list);
1190     if (SUCCEEDED(hr))
1191         hr = register_mediatypes_parsing(mediatype_parsing_list);
1192     if (SUCCEEDED(hr))
1193         hr = register_mediatypes_extension(mediatype_extension_list);
1194     if (SUCCEEDED(hr))
1195         hr = register_filters(filter_list);
1196     return hr;
1197 }
1198
1199 /***********************************************************************
1200  *              DllUnregisterServer (QUARTZ.@)
1201  */
1202 HRESULT WINAPI DllUnregisterServer(void)
1203 {
1204     HRESULT hr;
1205
1206     TRACE("\n");
1207
1208     hr = unregister_filters(filter_list);
1209     if (SUCCEEDED(hr))
1210         hr = unregister_coclasses(coclass_list);
1211     if (SUCCEEDED(hr))
1212         hr = unregister_interfaces(interface_list);
1213     if (SUCCEEDED(hr))
1214         hr = unregister_mediatypes_parsing(mediatype_parsing_list);
1215     if (SUCCEEDED(hr))
1216         hr = unregister_mediatypes_extension(mediatype_extension_list);
1217     return hr;
1218 }