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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define COBJMACROS
  22 #include <stdarg.h>
  23 #include <string.h>
  24
  25 #include "windef.h"
  26 #include "winbase.h"
  27 #include "wingdi.h"
  28 #include "winuser.h"
  29 #include "winreg.h"
  30 #include "winerror.h"
  31
  32 #include "ole2.h"
  33 #include "uuids.h"
  34 #include "strmif.h"
  35
  36 #include "wine/debug.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  39
  40 /*
  41  * Near the bottom of this file are the exported DllRegisterServer and
  42  * DllUnregisterServer, which make all this worthwhile.
  43  */
  44
  45 struct mediatype
  46 {
  47     CLSID const *majortype;     /* NULL for end of list */
  48     CLSID const *subtype;
  49     DWORD fourcc;
  50 };
  51
  52 struct pin
  53 {
  54     DWORD flags;                /* 0xFFFFFFFF for end of list */
  55     struct mediatype mediatypes[11];
  56 };
  57
  58 struct regsvr_filter
  59 {
  60     CLSID const *clsid;         /* NULL for end of list */
  61     CLSID const *category;
  62     WCHAR name[50];
  63     DWORD merit;
  64     struct pin pins[11];
  65 };
  66
  67 /***********************************************************************
  68  *              register_filters
  69  */
  70 static HRESULT register_filters(struct regsvr_filter const *list)
  71 {
  72     HRESULT hr;
  73     IFilterMapper2* pFM2 = NULL;
  74
  75     CoInitialize(NULL);
  76     hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, &IID_IFilterMapper2, (LPVOID*)&pFM2);
  77
  78     if (SUCCEEDED(hr)) {
  79         for (; SUCCEEDED(hr) && list->clsid; ++list) {
  80             REGFILTER2 rf2;
  81             REGFILTERPINS2* prfp2;
  82             int i;
  83
  84             for (i = 0; list->pins[i].flags != 0xFFFFFFFF; i++) ;
  85             rf2.dwVersion = 2;
  86             rf2.dwMerit = list->merit;
  87             rf2.cPins2 = i;
  88             rf2.rgPins2 = prfp2 = CoTaskMemAlloc(i*sizeof(REGFILTERPINS2));
  89             if (!prfp2) {
  90                 hr = E_OUTOFMEMORY;
  91                 break;
  92             }
  93             for (i = 0; list->pins[i].flags != 0xFFFFFFFF; i++) {
  94                 REGPINTYPES* lpMediatype;
  95                 CLSID* lpClsid;
  96                 int j, nbmt;
  97
  98                 for (nbmt = 0; list->pins[i].mediatypes[nbmt].majortype; nbmt++) ;
  99                 /* Allocate a single buffer for regpintypes struct and clsids */
 100                 lpMediatype = CoTaskMemAlloc(nbmt*(sizeof(REGPINTYPES) + 2*sizeof(CLSID)));
 101                 if (!lpMediatype) {
 102                     hr = E_OUTOFMEMORY;
 103                     break;
 104                 }
 105                 lpClsid = (CLSID*) (lpMediatype + nbmt);
 106                 for (j = 0; j < nbmt; j++) {
 107                     (lpMediatype + j)->clsMajorType = lpClsid + j*2;
 108                     memcpy(lpClsid + j*2, list->pins[i].mediatypes[j].majortype, sizeof(CLSID));
 109                     (lpMediatype + j)->clsMinorType = lpClsid + j*2 + 1;
 110                     if (list->pins[i].mediatypes[j].subtype)
 111                         memcpy(lpClsid + j*2 + 1, list->pins[i].mediatypes[j].subtype, sizeof(CLSID));
 112                     else {
 113                         /* Subtypes are often a combination of major type + fourcc/tag */
 114                         memcpy(lpClsid + j*2 + 1, list->pins[i].mediatypes[j].majortype, sizeof(CLSID));
 115                         *(DWORD*)(lpClsid + j*2 + 1) = list->pins[i].mediatypes[j].fourcc;
 116                     }
 117                 }
 118                 prfp2[i].dwFlags = list->pins[i].flags;
 119                 prfp2[i].cInstances = 0;
 120                 prfp2[i].nMediaTypes = j;
 121                 prfp2[i].lpMediaType = lpMediatype;
 122                 prfp2[i].nMediums = 0;
 123                 prfp2[i].lpMedium = NULL;
 124                 prfp2[i].clsPinCategory = NULL;
 125             }
 126
 127             if (FAILED(hr)) {
 128                 ERR("failed to register with hresult %#lx\n", hr);
 129                 CoTaskMemFree(prfp2);
 130                 break;
 131             }
 132
 133             hr = IFilterMapper2_RegisterFilter(pFM2, list->clsid, list->name, NULL, list->category, NULL, &rf2);
 134
 135             while (i) {
 136                 CoTaskMemFree((REGPINTYPES*)prfp2[i-1].lpMediaType);
 137                 i--;
 138             }
 139             CoTaskMemFree(prfp2);
 140         }
 141     }
 142
 143     if (pFM2)
 144         IFilterMapper2_Release(pFM2);
 145
 146     CoUninitialize();
 147
 148     return hr;
 149 }
 150
 151 /***********************************************************************
 152  *              unregister_filters
 153  */
 154 static HRESULT unregister_filters(struct regsvr_filter const *list)
 155 {
 156     HRESULT hr;
 157     IFilterMapper2* pFM2;
 158
 159     hr = CoCreateInstance(&CLSID_FilterMapper2, NULL, CLSCTX_INPROC_SERVER, &IID_IFilterMapper2, (LPVOID*)&pFM2);
 160
 161     if (SUCCEEDED(hr)) {
 162         for (; SUCCEEDED(hr) && list->clsid; ++list)
 163             hr = IFilterMapper2_UnregisterFilter(pFM2, list->category, NULL, list->clsid);
 164         IFilterMapper2_Release(pFM2);
 165     }
 166
 167     return hr;
 168 }
 169
 170 /***********************************************************************
 171  *              filter list
 172  */
 173
 174 static struct regsvr_filter const filter_list[] = {
 175     {   &CLSID_VideoRenderer,
 176         &CLSID_LegacyAmFilterCategory,
 177         L"Video Renderer",
 178         0x800000,
 179         {   {   REG_PINFLAG_B_RENDERER,
 180                 {   { &MEDIATYPE_Video, &GUID_NULL },
 181                     { NULL }
 182                 },
 183             },
 184             { 0xFFFFFFFF },
 185         }
 186     },
 187     {   &CLSID_VideoRendererDefault,
 188         &CLSID_LegacyAmFilterCategory,
 189         L"Video Renderer",
 190         0x800001,
 191         {   {   REG_PINFLAG_B_RENDERER,
 192                 {   { &MEDIATYPE_Video, &GUID_NULL },
 193                     { NULL }
 194                 },
 195             },
 196             { 0xFFFFFFFF },
 197         }
 198     },
 199     {   &CLSID_VideoMixingRenderer9,
 200         &CLSID_LegacyAmFilterCategory,
 201         L"Video Mixing Renderer 9",
 202         0x200000,
 203         {   {   REG_PINFLAG_B_RENDERER,
 204                 {   { &MEDIATYPE_Video, &GUID_NULL },
 205                     { NULL }
 206                 },
 207             },
 208             { 0xFFFFFFFF },
 209         }
 210     },
 211     {   &CLSID_AVIDec,
 212         &CLSID_LegacyAmFilterCategory,
 213         L"AVI Decompressor",
 214         0x5ffff0,
 215         {   {   0,
 216                 {   { &MEDIATYPE_Video, &GUID_NULL },
 217                     { NULL }
 218                 },
 219             },
 220             {   REG_PINFLAG_B_OUTPUT,
 221                 {   { &MEDIATYPE_Video, &GUID_NULL },
 222                     { NULL }
 223                 },
 224             },
 225             { 0xFFFFFFFF },
 226         }
 227     },
 228     {   &CLSID_AsyncReader,
 229         &CLSID_LegacyAmFilterCategory,
 230         L"File Source (Async.)",
 231         0x400000,
 232         {   {   REG_PINFLAG_B_OUTPUT,
 233                 {   { &MEDIATYPE_Stream, &GUID_NULL },
 234                     { NULL }
 235                 },
 236             },
 237             { 0xFFFFFFFF },
 238         }
 239     },
 240     {   &CLSID_ACMWrapper,
 241         &CLSID_LegacyAmFilterCategory,
 242         L"ACM Wrapper",
 243         0x5ffff0,
 244         {   {   0,
 245                 {   { &MEDIATYPE_Audio, &GUID_NULL },
 246                     { NULL }
 247                 },
 248             },
 249             {   REG_PINFLAG_B_OUTPUT,
 250                 {   { &MEDIATYPE_Audio, &GUID_NULL },
 251                     { NULL }
 252                 },
 253             },
 254             { 0xFFFFFFFF },
 255         }
 256     },
 257     { NULL }            /* list terminator */
 258 };
 259
 260 extern HRESULT WINAPI QUARTZ_DllRegisterServer(void);
 261 extern HRESULT WINAPI QUARTZ_DllUnregisterServer(void);
 262
 263 /***********************************************************************
 264  *              DllRegisterServer (QUARTZ.@)
 265  */
 266 HRESULT WINAPI DllRegisterServer(void)
 267 {
 268     HRESULT hr;
 269
 270     TRACE("\n");
 271
 272     hr = QUARTZ_DllRegisterServer();
 273     if (SUCCEEDED(hr))
 274         hr = register_filters(filter_list);
 275     return hr;
 276 }
 277
 278 /***********************************************************************
 279  *              DllUnregisterServer (QUARTZ.@)
 280  */
 281 HRESULT WINAPI DllUnregisterServer(void)
 282 {
 283     HRESULT hr;
 284
 285     TRACE("\n");
 286
 287     hr = unregister_filters(filter_list);
 288     if (SUCCEEDED(hr))
 289         hr = QUARTZ_DllUnregisterServer();
 290     return hr;
 291 }