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 /* For the moment, do nothing here. */
  33 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  34 {
  35     return QUARTZ_DllMain( hInstDLL, fdwReason, lpv );
  36 }
  37
  38 static HRESULT SeekingPassThru_create(IUnknown *pUnkOuter, LPVOID *ppObj)
  39 {
  40     return PosPassThru_Construct(pUnkOuter,ppObj); /* from strmbase */
  41 }
  42
  43 /******************************************************************************
  44  * DirectShow ClassFactory
  45  */
  46 typedef struct {
  47     IClassFactory IClassFactory_iface;
  48     LONG ref;
  49     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  50 } IClassFactoryImpl;
  51
  52 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  53 {
  54     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  55 }
  56
  57 struct object_creation_info
  58 {
  59     const CLSID *clsid;
  60     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  61 };
  62
  63 static const struct object_creation_info object_creation[] =
  64 {
  65     { &CLSID_SeekingPassThru, SeekingPassThru_create },
  66     { &CLSID_FilterGraph, FilterGraph_create },
  67     { &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
  68     { &CLSID_FilterMapper, FilterMapper_create },
  69     { &CLSID_FilterMapper2, FilterMapper2_create },
  70     { &CLSID_AsyncReader, AsyncReader_create },
  71     { &CLSID_MemoryAllocator, StdMemAllocator_create },
  72     { &CLSID_AviSplitter, AVISplitter_create },
  73     { &CLSID_MPEG1Splitter, MPEGSplitter_create },
  74     { &CLSID_VideoRenderer, VideoRenderer_create },
  75     { &CLSID_NullRenderer, NullRenderer_create },
  76     { &CLSID_VideoMixingRenderer, VMR7Impl_create },
  77     { &CLSID_VideoMixingRenderer9, VMR9Impl_create },
  78     { &CLSID_VideoRendererDefault, VideoRendererDefault_create },
  79     { &CLSID_DSoundRender, DSoundRender_create },
  80     { &CLSID_AudioRender, DSoundRender_create },
  81     { &CLSID_AVIDec, AVIDec_create },
  82     { &CLSID_SystemClock, QUARTZ_CreateSystemClock },
  83     { &CLSID_ACMWrapper, ACMWrapper_create },
  84     { &CLSID_WAVEParser, WAVEParser_create }
  85 };
  86
  87 static HRESULT WINAPI DSCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
  88 {
  89     if (IsEqualGUID(riid, &IID_IUnknown)
  90         || IsEqualGUID(riid, &IID_IClassFactory))
  91     {
  92         IClassFactory_AddRef(iface);
  93         *ppobj = iface;
  94         return S_OK;
  95     }
  96
  97     *ppobj = NULL;
  98     WARN("(%p)->(%s,%p), not found\n", iface, debugstr_guid(riid), ppobj);
  99     return E_NOINTERFACE;
 100 }
 101
 102 static ULONG WINAPI DSCF_AddRef(IClassFactory *iface)
 103 {
 104     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 105     return InterlockedIncrement(&This->ref);
 106 }
 107
 108 static ULONG WINAPI DSCF_Release(IClassFactory *iface)
 109 {
 110     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 111     ULONG ref = InterlockedDecrement(&This->ref);
 112
 113     if (ref == 0)
 114         CoTaskMemFree(This);
 115
 116     return ref;
 117 }
 118
 119
 120 static HRESULT WINAPI DSCF_CreateInstance(IClassFactory *iface, IUnknown *pOuter,
 121                                           REFIID riid, void **ppobj)
 122 {
 123     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 124     HRESULT hres;
 125     LPUNKNOWN punk;
 126
 127     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 128
 129     *ppobj = NULL;
 130     if(pOuter && !IsEqualGUID(&IID_IUnknown, riid))
 131         return E_NOINTERFACE;
 132
 133     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 134     if (SUCCEEDED(hres)) {
 135         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 136         IUnknown_Release(punk);
 137     }
 138     return hres;
 139 }
 140
 141 static HRESULT WINAPI DSCF_LockServer(IClassFactory *iface, BOOL dolock)
 142 {
 143     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 144     FIXME("(%p)->(%d),stub!\n",This,dolock);
 145     return S_OK;
 146 }
 147
 148 static const IClassFactoryVtbl DSCF_Vtbl =
 149 {
 150     DSCF_QueryInterface,
 151     DSCF_AddRef,
 152     DSCF_Release,
 153     DSCF_CreateInstance,
 154     DSCF_LockServer
 155 };
 156
 157 /*******************************************************************************
 158  * DllGetClassObject [QUARTZ.@]
 159  * Retrieves class object from a DLL object
 160  *
 161  * NOTES
 162  *    Docs say returns STDAPI
 163  *
 164  * PARAMS
 165  *    rclsid [I] CLSID for the class object
 166  *    riid   [I] Reference to identifier of interface for class object
 167  *    ppv    [O] Address of variable to receive interface pointer for riid
 168  *
 169  * RETURNS
 170  *    Success: S_OK
 171  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 172  *             E_UNEXPECTED
 173  */
 174 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 175 {
 176     unsigned int i;
 177
 178     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 179
 180     if (IsEqualGUID( &IID_IClassFactory, riid ) || IsEqualGUID( &IID_IUnknown, riid))
 181     {
 182         for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 183         {
 184             if (IsEqualGUID(object_creation[i].clsid, rclsid))
 185             {
 186                 IClassFactoryImpl *factory = CoTaskMemAlloc(sizeof(*factory));
 187                 if (factory == NULL) return E_OUTOFMEMORY;
 188
 189                 factory->IClassFactory_iface.lpVtbl = &DSCF_Vtbl;
 190                 factory->ref = 1;
 191
 192                 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 193
 194                 *ppv = &factory->IClassFactory_iface;
 195                 return S_OK;
 196             }
 197         }
 198     }
 199     return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
 200 }
 201
 202 /***********************************************************************
 203  *              DllCanUnloadNow (QUARTZ.@)
 204  */
 205 HRESULT WINAPI DllCanUnloadNow(void)
 206 {
 207     return QUARTZ_DllCanUnloadNow();
 208 }
 209
 210
 211 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 212     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 213
 214 static const struct {
 215         const GUID      riid;
 216         const char      *name;
 217 } InterfaceDesc[] =
 218 {
 219 #include "uuids.h"
 220     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 221 };
 222
 223 /***********************************************************************
 224  *              proxies
 225  */
 226 HRESULT CALLBACK ICaptureGraphBuilder_FindInterface_Proxy( ICaptureGraphBuilder *This,
 227                                                            const GUID *pCategory,
 228                                                            IBaseFilter *pf,
 229                                                            REFIID riid,
 230                                                            void **ppint )
 231 {
 232     return ICaptureGraphBuilder_RemoteFindInterface_Proxy( This, pCategory, pf,
 233                                                            riid, (IUnknown **)ppint );
 234 }
 235
 236 HRESULT __RPC_STUB ICaptureGraphBuilder_FindInterface_Stub( ICaptureGraphBuilder *This,
 237                                                             const GUID *pCategory,
 238                                                             IBaseFilter *pf,
 239                                                             REFIID riid,
 240                                                             IUnknown **ppint )
 241 {
 242     return ICaptureGraphBuilder_FindInterface( This, pCategory, pf, riid, (void **)ppint );
 243 }
 244
 245 HRESULT CALLBACK ICaptureGraphBuilder2_FindInterface_Proxy( ICaptureGraphBuilder2 *This,
 246                                                             const GUID *pCategory,
 247                                                             const GUID *pType,
 248                                                             IBaseFilter *pf,
 249                                                             REFIID riid,
 250                                                             void **ppint )
 251 {
 252     return ICaptureGraphBuilder2_RemoteFindInterface_Proxy( This, pCategory, pType,
 253                                                             pf, riid, (IUnknown **)ppint );
 254 }
 255
 256 HRESULT __RPC_STUB ICaptureGraphBuilder2_FindInterface_Stub( ICaptureGraphBuilder2 *This,
 257                                                              const GUID *pCategory,
 258                                                              const GUID *pType,
 259                                                              IBaseFilter *pf,
 260                                                              REFIID riid,
 261                                                              IUnknown **ppint )
 262 {
 263     return ICaptureGraphBuilder2_FindInterface( This, pCategory, pType, pf, riid, (void **)ppint );
 264 }
 265
 266 /***********************************************************************
 267  *              qzdebugstr_guid (internal)
 268  *
 269  * Gives a text version of DirectShow GUIDs
 270  */
 271 const char * qzdebugstr_guid( const GUID * id )
 272 {
 273     int i;
 274
 275     for (i=0; InterfaceDesc[i].name; i++)
 276         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 277
 278     return debugstr_guid(id);
 279 }
 280
 281 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 282 {
 283     FIXME("(%d) Stub!\n", ampfactor);
 284     return 0;
 285 }
 286
 287 LONG WINAPI DBToAmpFactor(LONG db)
 288 {
 289     FIXME("(%d) Stub!\n", db);
 290     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 291     if (db < -1000)
 292         return 0;
 293     return 100;
 294 }
 295
 296 /***********************************************************************
 297  *              AMGetErrorTextA (QUARTZ.@)
 298  */
 299 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 300 {
 301     DWORD res;
 302     WCHAR errorW[MAX_ERROR_TEXT_LEN];
 303
 304     TRACE("(%x,%p,%d)\n", hr, buffer, maxlen);
 305     if (!buffer)
 306         return 0;
 307
 308     res = AMGetErrorTextW(hr, errorW, sizeof(errorW)/sizeof(*errorW));
 309     return WideCharToMultiByte(CP_ACP, 0, errorW, res, buffer, maxlen, 0, 0);
 310 }
 311
 312 /***********************************************************************
 313  *              AMGetErrorTextW (QUARTZ.@)
 314  */
 315 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 316 {
 317     unsigned int len;
 318     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 319     WCHAR error[MAX_ERROR_TEXT_LEN];
 320
 321     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 322
 323     if (!buffer) return 0;
 324     wsprintfW(error, format, hr);
 325     if ((len = strlenW(error)) >= maxlen) return 0;
 326     lstrcpyW(buffer, error);
 327     return len;
 328 }