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

   1 /*              DirectShow Base Functions (QUARTZ.DLL)
   2  *
   3  * Copyright 2002 Lionel Ulmer
   4  *
   5  * This file contains the (internal) driver registration functions,
   6  * driver enumeration APIs and DirectDraw creation functions.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/debug.h"
  25
  26 #include "quartz_private.h"
  27
  28 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  29
  30 static DWORD dll_ref = 0;
  31
  32 /* For the moment, do nothing here. */
  33 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  34 {
  35     switch(fdwReason) {
  36         case DLL_PROCESS_ATTACH:
  37             DisableThreadLibraryCalls(hInstDLL);
  38             break;
  39         case DLL_PROCESS_DETACH:
  40             break;
  41     }
  42     return TRUE;
  43 }
  44
  45 /******************************************************************************
  46  * DirectShow ClassFactory
  47  */
  48 typedef struct {
  49     IClassFactory ITF_IClassFactory;
  50
  51     DWORD ref;
  52     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  53 } IClassFactoryImpl;
  54
  55 struct object_creation_info
  56 {
  57     const CLSID *clsid;
  58     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  59 };
  60
  61 static const struct object_creation_info object_creation[] =
  62 {
  63     { &CLSID_FilterGraph, FILTERGRAPH_create },
  64     { &CLSID_FilterMapper, FilterMapper2_create },
  65     { &CLSID_FilterMapper2, FilterMapper2_create },
  66     { &CLSID_AsyncReader, AsyncReader_create },
  67 };
  68
  69 static HRESULT WINAPI
  70 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
  71 {
  72     ICOM_THIS(IClassFactoryImpl,iface);
  73
  74     if (IsEqualGUID(riid, &IID_IUnknown)
  75         || IsEqualGUID(riid, &IID_IClassFactory))
  76     {
  77         IClassFactory_AddRef(iface);
  78         *ppobj = This;
  79         return S_OK;
  80     }
  81
  82     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  83     return E_NOINTERFACE;
  84 }
  85
  86 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface) {
  87     ICOM_THIS(IClassFactoryImpl,iface);
  88     return ++(This->ref);
  89 }
  90
  91 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface) {
  92     ICOM_THIS(IClassFactoryImpl,iface);
  93
  94     ULONG ref = --This->ref;
  95
  96     if (ref == 0)
  97         HeapFree(GetProcessHeap(), 0, This);
  98
  99     return ref;
 100 }
 101
 102
 103 static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
 104                                           REFIID riid, LPVOID *ppobj) {
 105     ICOM_THIS(IClassFactoryImpl,iface);
 106     HRESULT hres;
 107     LPUNKNOWN punk;
 108
 109     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 110
 111     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 112     if (FAILED(hres)) {
 113         *ppobj = NULL;
 114         return hres;
 115     }
 116     hres = IUnknown_QueryInterface(punk, riid, ppobj);
 117     if (FAILED(hres)) {
 118         *ppobj = NULL;
 119         return hres;
 120     }
 121     IUnknown_Release(punk);
 122     return hres;
 123 }
 124
 125 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock) {
 126     ICOM_THIS(IClassFactoryImpl,iface);
 127     FIXME("(%p)->(%d),stub!\n",This,dolock);
 128     return S_OK;
 129 }
 130
 131 static ICOM_VTABLE(IClassFactory) DSCF_Vtbl =
 132 {
 133     ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
 134     DSCF_QueryInterface,
 135     DSCF_AddRef,
 136     DSCF_Release,
 137     DSCF_CreateInstance,
 138     DSCF_LockServer
 139 };
 140
 141 /*******************************************************************************
 142  * DllGetClassObject [QUARTZ.@]
 143  * Retrieves class object from a DLL object
 144  *
 145  * NOTES
 146  *    Docs say returns STDAPI
 147  *
 148  * PARAMS
 149  *    rclsid [I] CLSID for the class object
 150  *    riid   [I] Reference to identifier of interface for class object
 151  *    ppv    [O] Address of variable to receive interface pointer for riid
 152  *
 153  * RETURNS
 154  *    Success: S_OK
 155  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 156  *             E_UNEXPECTED
 157  */
 158 DWORD WINAPI QUARTZ_DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 159 {
 160     int i;
 161     IClassFactoryImpl *factory;
 162
 163     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 164
 165     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 166          && ! IsEqualGUID( &IID_IUnknown, riid) )
 167         return E_NOINTERFACE;
 168
 169     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 170     {
 171         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 172             break;
 173     }
 174
 175     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 176     {
 177         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 178         return CLASS_E_CLASSNOTAVAILABLE;
 179     }
 180
 181     factory = HeapAlloc(GetProcessHeap(), 0, sizeof(*factory));
 182     if (factory == NULL) return E_OUTOFMEMORY;
 183
 184     factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 185     factory->ref = 1;
 186
 187     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 188
 189     *ppv = &(factory->ITF_IClassFactory);
 190     return S_OK;
 191 }
 192
 193 /***********************************************************************
 194  *      DllRegisterServer (QUARTZ.@)
 195  */
 196 HRESULT WINAPI QUARTZ_DllRegisterServer()
 197 {
 198         FIXME("(): stub\n");
 199         return 0;
 200 }
 201
 202 /***********************************************************************
 203  *              DllCanUnloadNow (QUARTZ.@)
 204  */
 205 HRESULT WINAPI QUARTZ_DllCanUnloadNow()
 206 {
 207     return dll_ref != 0 ? S_FALSE : S_OK;
 208 }
 209
 210
 211 static struct {
 212         const GUID      riid;
 213         char    *name;
 214 } InterfaceDesc[] =
 215 {
 216     #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 217     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 218         #include <uuids.h>
 219         { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 220 };
 221
 222 /***********************************************************************
 223  *              qzdebugstr_guid (internal)
 224  *
 225  * Gives a text version of DirectShow GUIDs
 226  */
 227 const char * qzdebugstr_guid( const GUID * id )
 228 {
 229     int i;
 230     char * name = NULL;
 231
 232     for (i=0;InterfaceDesc[i].name && !name;i++) {
 233         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 234     }
 235     return debugstr_guid(id);
 236 }
 237
 238 /***********************************************************************
 239  *              qzdebugstr_State (internal)
 240  *
 241  * Gives a text version of the FILTER_STATE enumeration
 242  */
 243 const char * qzdebugstr_State(FILTER_STATE state)
 244 {
 245     switch (state)
 246     {
 247     case State_Stopped:
 248         return "State_Stopped";
 249     case State_Running:
 250         return "State_Running";
 251     case State_Paused:
 252         return "State_Paused";
 253     default:
 254         return "State_Unknown";
 255     }
 256 }