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 ITF_IClassFactory;
  50
  51     LONG 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_SeekingPassThru, SeekingPassThru_create },
  64     { &CLSID_FilterGraph, FilterGraph_create },
  65     { &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
  66     { &CLSID_FilterMapper, FilterMapper_create },
  67     { &CLSID_FilterMapper2, FilterMapper2_create },
  68     { &CLSID_AsyncReader, AsyncReader_create },
  69     { &CLSID_MemoryAllocator, StdMemAllocator_create },
  70     { &CLSID_AviSplitter, AVISplitter_create },
  71     { &CLSID_MPEG1Splitter, MPEGSplitter_create },
  72     { &CLSID_VideoRenderer, VideoRenderer_create },
  73     { &CLSID_NullRenderer, NullRenderer_create },
  74     { &CLSID_VideoMixingRenderer9, VMR9Impl_create },
  75     { &CLSID_VideoRendererDefault, VideoRendererDefault_create },
  76     { &CLSID_DSoundRender, DSoundRender_create },
  77     { &CLSID_AudioRender, DSoundRender_create },
  78     { &CLSID_AVIDec, AVIDec_create },
  79     { &CLSID_SystemClock, QUARTZ_CreateSystemClock },
  80     { &CLSID_ACMWrapper, ACMWrapper_create },
  81     { &CLSID_WAVEParser, WAVEParser_create }
  82 };
  83
  84 static HRESULT WINAPI
  85 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
  86 {
  87     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  88
  89     if (IsEqualGUID(riid, &IID_IUnknown)
  90         || IsEqualGUID(riid, &IID_IClassFactory))
  91     {
  92         IClassFactory_AddRef(iface);
  93         *ppobj = This;
  94         return S_OK;
  95     }
  96
  97     *ppobj = NULL;
  98     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  99     return E_NOINTERFACE;
 100 }
 101
 102 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
 103 {
 104     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 105     return InterlockedIncrement(&This->ref);
 106 }
 107
 108 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
 109 {
 110     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 111
 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(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
 122                                           REFIID riid, LPVOID *ppobj)
 123 {
 124     IClassFactoryImpl *This = (IClassFactoryImpl *)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     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 132     if (SUCCEEDED(hres)) {
 133         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 134         IUnknown_Release(punk);
 135     }
 136     return hres;
 137 }
 138
 139 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 140 {
 141     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 142     FIXME("(%p)->(%d),stub!\n",This,dolock);
 143     return S_OK;
 144 }
 145
 146 static const IClassFactoryVtbl DSCF_Vtbl =
 147 {
 148     DSCF_QueryInterface,
 149     DSCF_AddRef,
 150     DSCF_Release,
 151     DSCF_CreateInstance,
 152     DSCF_LockServer
 153 };
 154
 155 /*******************************************************************************
 156  * DllGetClassObject [QUARTZ.@]
 157  * Retrieves class object from a DLL object
 158  *
 159  * NOTES
 160  *    Docs say returns STDAPI
 161  *
 162  * PARAMS
 163  *    rclsid [I] CLSID for the class object
 164  *    riid   [I] Reference to identifier of interface for class object
 165  *    ppv    [O] Address of variable to receive interface pointer for riid
 166  *
 167  * RETURNS
 168  *    Success: S_OK
 169  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 170  *             E_UNEXPECTED
 171  */
 172 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 173 {
 174     unsigned int i;
 175
 176     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 177
 178     if (IsEqualGUID( &IID_IClassFactory, riid ) || IsEqualGUID( &IID_IUnknown, riid))
 179     {
 180         for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 181         {
 182             if (IsEqualGUID(object_creation[i].clsid, rclsid))
 183             {
 184                 IClassFactoryImpl *factory = CoTaskMemAlloc(sizeof(*factory));
 185                 if (factory == NULL) return E_OUTOFMEMORY;
 186
 187                 factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 188                 factory->ref = 1;
 189
 190                 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 191
 192                 *ppv = &factory->ITF_IClassFactory;
 193                 return S_OK;
 194             }
 195         }
 196     }
 197     return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
 198 }
 199
 200 /***********************************************************************
 201  *              DllCanUnloadNow (QUARTZ.@)
 202  */
 203 HRESULT WINAPI DllCanUnloadNow(void)
 204 {
 205     if (dll_ref) return S_FALSE;
 206     return QUARTZ_DllCanUnloadNow();
 207 }
 208
 209
 210 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 211     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 212
 213 static const struct {
 214         const GUID      riid;
 215         const char      *name;
 216 } InterfaceDesc[] =
 217 {
 218 #include "uuids.h"
 219     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 220 };
 221
 222 /***********************************************************************
 223  *              proxies
 224  */
 225 HRESULT CALLBACK ICaptureGraphBuilder_FindInterface_Proxy( ICaptureGraphBuilder *This,
 226                                                            const GUID *pCategory,
 227                                                            IBaseFilter *pf,
 228                                                            REFIID riid,
 229                                                            void **ppint )
 230 {
 231     return ICaptureGraphBuilder_RemoteFindInterface_Proxy( This, pCategory, pf,
 232                                                            riid, (IUnknown **)ppint );
 233 }
 234
 235 HRESULT __RPC_STUB ICaptureGraphBuilder_FindInterface_Stub( ICaptureGraphBuilder *This,
 236                                                             const GUID *pCategory,
 237                                                             IBaseFilter *pf,
 238                                                             REFIID riid,
 239                                                             IUnknown **ppint )
 240 {
 241     return ICaptureGraphBuilder_FindInterface( This, pCategory, pf, riid, (void **)ppint );
 242 }
 243
 244 HRESULT CALLBACK ICaptureGraphBuilder2_FindInterface_Proxy( ICaptureGraphBuilder2 *This,
 245                                                             const GUID *pCategory,
 246                                                             const GUID *pType,
 247                                                             IBaseFilter *pf,
 248                                                             REFIID riid,
 249                                                             void **ppint )
 250 {
 251     return ICaptureGraphBuilder2_RemoteFindInterface_Proxy( This, pCategory, pType,
 252                                                             pf, riid, (IUnknown **)ppint );
 253 }
 254
 255 HRESULT __RPC_STUB ICaptureGraphBuilder2_FindInterface_Stub( ICaptureGraphBuilder2 *This,
 256                                                              const GUID *pCategory,
 257                                                              const GUID *pType,
 258                                                              IBaseFilter *pf,
 259                                                              REFIID riid,
 260                                                              IUnknown **ppint )
 261 {
 262     return ICaptureGraphBuilder2_FindInterface( This, pCategory, pType, pf, riid, (void **)ppint );
 263 }
 264
 265 /***********************************************************************
 266  *              qzdebugstr_guid (internal)
 267  *
 268  * Gives a text version of DirectShow GUIDs
 269  */
 270 const char * qzdebugstr_guid( const GUID * id )
 271 {
 272     int i;
 273     char * name = NULL;
 274
 275     for (i=0;InterfaceDesc[i].name && !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 }