dlls/quartz/main.c

   1 /*              DirectShow Base Functions (QUARTZ.DLL)
   2  *
   3  * Copyright 2002 Lionel Ulmer
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  18  */
  19
  20 #include "config.h"
  21 #include "wine/debug.h"
  22
  23 #include "quartz_private.h"
  24 #include "wine/unicode.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  27
  28 extern HRESULT WINAPI QUARTZ_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC_HIDDEN;
  29 extern HRESULT WINAPI QUARTZ_DllCanUnloadNow(void) DECLSPEC_HIDDEN;
  30 extern BOOL WINAPI QUARTZ_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
  31
  32 static DWORD dll_ref = 0;
  33
  34 /* For the moment, do nothing here. */
  35 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  36 {
  37     return QUARTZ_DllMain( hInstDLL, fdwReason, lpv );
  38 }
  39
  40 static HRESULT SeekingPassThru_create(IUnknown *pUnkOuter, LPVOID *ppObj)
  41 {
  42     return PosPassThru_Construct(pUnkOuter,ppObj); /* from strmbase */
  43 }
  44
  45 /******************************************************************************
  46  * DirectShow ClassFactory
  47  */
  48 typedef struct {
  49     IClassFactory IClassFactory_iface;
  50     LONG ref;
  51     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  52 } IClassFactoryImpl;
  53
  54 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  55 {
  56     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  57 }
  58
  59 struct object_creation_info
  60 {
  61     const CLSID *clsid;
  62     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  63 };
  64
  65 static const struct object_creation_info object_creation[] =
  66 {
  67     { &CLSID_SeekingPassThru, SeekingPassThru_create },
  68     { &CLSID_FilterGraph, FilterGraph_create },
  69     { &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
  70     { &CLSID_FilterMapper, FilterMapper_create },
  71     { &CLSID_FilterMapper2, FilterMapper2_create },
  72     { &CLSID_AsyncReader, AsyncReader_create },
  73     { &CLSID_MemoryAllocator, StdMemAllocator_create },
  74     { &CLSID_AviSplitter, AVISplitter_create },
  75     { &CLSID_MPEG1Splitter, MPEGSplitter_create },
  76     { &CLSID_VideoRenderer, VideoRenderer_create },
  77     { &CLSID_NullRenderer, NullRenderer_create },
  78     { &CLSID_VideoMixingRenderer9, VMR9Impl_create },
  79     { &CLSID_VideoRendererDefault, VideoRendererDefault_create },
  80     { &CLSID_DSoundRender, DSoundRender_create },
  81     { &CLSID_AudioRender, DSoundRender_create },
  82     { &CLSID_AVIDec, AVIDec_create },
  83     { &CLSID_SystemClock, QUARTZ_CreateSystemClock },
  84     { &CLSID_ACMWrapper, ACMWrapper_create },
  85     { &CLSID_WAVEParser, WAVEParser_create }
  86 };
  87
  88 static HRESULT WINAPI DSCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
  89 {
  90     if (IsEqualGUID(riid, &IID_IUnknown)
  91         || IsEqualGUID(riid, &IID_IClassFactory))
  92     {
  93         IClassFactory_AddRef(iface);
  94         *ppobj = iface;
  95         return S_OK;
  96     }
  97
  98     *ppobj = NULL;
  99     WARN("(%p)->(%s,%p), not found\n", iface, debugstr_guid(riid), ppobj);
 100     return E_NOINTERFACE;
 101 }
 102
 103 static ULONG WINAPI DSCF_AddRef(IClassFactory *iface)
 104 {
 105     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 106     return InterlockedIncrement(&This->ref);
 107 }
 108
 109 static ULONG WINAPI DSCF_Release(IClassFactory *iface)
 110 {
 111     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 112     ULONG ref = InterlockedDecrement(&This->ref);
 113
 114     if (ref == 0)
 115         CoTaskMemFree(This);
 116
 117     return ref;
 118 }
 119
 120
 121 static HRESULT WINAPI DSCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 122                                           REFIID riid, void **ppobj)
 123 {
 124     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 125     HRESULT hres;
 126     LPUNKNOWN punk;
 127
 128     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 129
 130     *ppobj = NULL;
 131     if(pOuter && !IsEqualGUID(&IID_IUnknown, riid))
 132         return E_NOINTERFACE;
 133
 134     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 135     if (SUCCEEDED(hres)) {
 136         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 137         IUnknown_Release(punk);
 138     }
 139     return hres;
 140 }
 141
 142 static HRESULT WINAPI DSCF_LockServer(IClassFactory *iface, BOOL dolock)
 143 {
 144     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 145     FIXME("(%p)->(%d),stub!\n",This,dolock);
 146     return S_OK;
 147 }
 148
 149 static const IClassFactoryVtbl DSCF_Vtbl =
 150 {
 151     DSCF_QueryInterface,
 152     DSCF_AddRef,
 153     DSCF_Release,
 154     DSCF_CreateInstance,
 155     DSCF_LockServer
 156 };
 157
 158 /*******************************************************************************
 159  * DllGetClassObject [QUARTZ.@]
 160  * Retrieves class object from a DLL object
 161  *
 162  * NOTES
 163  *    Docs say returns STDAPI
 164  *
 165  * PARAMS
 166  *    rclsid [I] CLSID for the class object
 167  *    riid   [I] Reference to identifier of interface for class object
 168  *    ppv    [O] Address of variable to receive interface pointer for riid
 169  *
 170  * RETURNS
 171  *    Success: S_OK
 172  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 173  *             E_UNEXPECTED
 174  */
 175 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 176 {
 177     unsigned int i;
 178
 179     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 180
 181     if (IsEqualGUID( &IID_IClassFactory, riid ) || IsEqualGUID( &IID_IUnknown, riid))
 182     {
 183         for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 184         {
 185             if (IsEqualGUID(object_creation[i].clsid, rclsid))
 186             {
 187                 IClassFactoryImpl *factory = CoTaskMemAlloc(sizeof(*factory));
 188                 if (factory == NULL) return E_OUTOFMEMORY;
 189
 190                 factory->IClassFactory_iface.lpVtbl = &DSCF_Vtbl;
 191                 factory->ref = 1;
 192
 193                 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 194
 195                 *ppv = &factory->IClassFactory_iface;
 196                 return S_OK;
 197             }
 198         }
 199     }
 200     return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
 201 }
 202
 203 /***********************************************************************
 204  *              DllCanUnloadNow (QUARTZ.@)
 205  */
 206 HRESULT WINAPI DllCanUnloadNow(void)
 207 {
 208     if (dll_ref) return S_FALSE;
 209     return QUARTZ_DllCanUnloadNow();
 210 }
 211
 212
 213 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 214     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 215
 216 static const struct {
 217         const GUID      riid;
 218         const char      *name;
 219 } InterfaceDesc[] =
 220 {
 221 #include "uuids.h"
 222     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 223 };
 224
 225 /***********************************************************************
 226  *              proxies
 227  */
 228 HRESULT CALLBACK ICaptureGraphBuilder_FindInterface_Proxy( ICaptureGraphBuilder *This,
 229                                                            const GUID *pCategory,
 230                                                            IBaseFilter *pf,
 231                                                            REFIID riid,
 232                                                            void **ppint )
 233 {
 234     return ICaptureGraphBuilder_RemoteFindInterface_Proxy( This, pCategory, pf,
 235                                                            riid, (IUnknown **)ppint );
 236 }
 237
 238 HRESULT __RPC_STUB ICaptureGraphBuilder_FindInterface_Stub( ICaptureGraphBuilder *This,
 239                                                             const GUID *pCategory,
 240                                                             IBaseFilter *pf,
 241                                                             REFIID riid,
 242                                                             IUnknown **ppint )
 243 {
 244     return ICaptureGraphBuilder_FindInterface( This, pCategory, pf, riid, (void **)ppint );
 245 }
 246
 247 HRESULT CALLBACK ICaptureGraphBuilder2_FindInterface_Proxy( ICaptureGraphBuilder2 *This,
 248                                                             const GUID *pCategory,
 249                                                             const GUID *pType,
 250                                                             IBaseFilter *pf,
 251                                                             REFIID riid,
 252                                                             void **ppint )
 253 {
 254     return ICaptureGraphBuilder2_RemoteFindInterface_Proxy( This, pCategory, pType,
 255                                                             pf, riid, (IUnknown **)ppint );
 256 }
 257
 258 HRESULT __RPC_STUB ICaptureGraphBuilder2_FindInterface_Stub( ICaptureGraphBuilder2 *This,
 259                                                              const GUID *pCategory,
 260                                                              const GUID *pType,
 261                                                              IBaseFilter *pf,
 262                                                              REFIID riid,
 263                                                              IUnknown **ppint )
 264 {
 265     return ICaptureGraphBuilder2_FindInterface( This, pCategory, pType, pf, riid, (void **)ppint );
 266 }
 267
 268 /***********************************************************************
 269  *              qzdebugstr_guid (internal)
 270  *
 271  * Gives a text version of DirectShow GUIDs
 272  */
 273 const char * qzdebugstr_guid( const GUID * id )
 274 {
 275     int i;
 276     char * name = NULL;
 277
 278     for (i=0;InterfaceDesc[i].name && !name;i++) {
 279         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 280     }
 281     return debugstr_guid(id);
 282 }
 283
 284 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 285 {
 286     FIXME("(%d) Stub!\n", ampfactor);
 287     return 0;
 288 }
 289
 290 LONG WINAPI DBToAmpFactor(LONG db)
 291 {
 292     FIXME("(%d) Stub!\n", db);
 293     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 294     if (db < -1000)
 295         return 0;
 296     return 100;
 297 }
 298
 299 /***********************************************************************
 300  *              AMGetErrorTextA (QUARTZ.@)
 301  */
 302 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 303 {
 304     DWORD res;
 305     WCHAR errorW[MAX_ERROR_TEXT_LEN];
 306
 307     TRACE("(%x,%p,%d)\n", hr, buffer, maxlen);
 308     if (!buffer)
 309         return 0;
 310
 311     res = AMGetErrorTextW(hr, errorW, sizeof(errorW)/sizeof(*errorW));
 312     return WideCharToMultiByte(CP_ACP, 0, errorW, res, buffer, maxlen, 0, 0);
 313 }
 314
 315 /***********************************************************************
 316  *              AMGetErrorTextW (QUARTZ.@)
 317  */
 318 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 319 {
 320     unsigned int len;
 321     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 322     WCHAR error[MAX_ERROR_TEXT_LEN];
 323
 324     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 325
 326     if (!buffer) return 0;
 327     wsprintfW(error, format, hr);
 328     if ((len = strlenW(error)) >= maxlen) return 0;
 329     lstrcpyW(buffer, error);
 330     return len;
 331 }