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     if (fdwReason == DLL_PROCESS_DETACH)
  38         video_unregister_windowclass();
  39     return QUARTZ_DllMain( hInstDLL, fdwReason, lpv );
  40 }
  41
  42 HRESULT SeekingPassThru_create(IUnknown *pUnkOuter, LPVOID *ppObj)
  43 {
  44     return PosPassThru_Construct(pUnkOuter,ppObj); /* from strmbase */
  45 }
  46
  47 /******************************************************************************
  48  * DirectShow ClassFactory
  49  */
  50 typedef struct {
  51     IClassFactory ITF_IClassFactory;
  52
  53     LONG ref;
  54     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  55 } IClassFactoryImpl;
  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_VideoRendererDefault, VideoRendererDefault_create },
  77     { &CLSID_DSoundRender, DSoundRender_create },
  78     { &CLSID_AudioRender, DSoundRender_create },
  79     { &CLSID_AVIDec, AVIDec_create },
  80     { &CLSID_SystemClock, QUARTZ_CreateSystemClock },
  81     { &CLSID_ACMWrapper, ACMWrapper_create },
  82     { &CLSID_WAVEParser, WAVEParser_create }
  83 };
  84
  85 static HRESULT WINAPI
  86 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
  87 {
  88     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  89
  90     if (IsEqualGUID(riid, &IID_IUnknown)
  91         || IsEqualGUID(riid, &IID_IClassFactory))
  92     {
  93         IClassFactory_AddRef(iface);
  94         *ppobj = This;
  95         return S_OK;
  96     }
  97
  98     *ppobj = NULL;
  99     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
 100     return E_NOINTERFACE;
 101 }
 102
 103 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
 104 {
 105     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 106     return InterlockedIncrement(&This->ref);
 107 }
 108
 109 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
 110 {
 111     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 112
 113     ULONG ref = InterlockedDecrement(&This->ref);
 114
 115     if (ref == 0)
 116         CoTaskMemFree(This);
 117
 118     return ref;
 119 }
 120
 121
 122 static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
 123                                           REFIID riid, LPVOID *ppobj)
 124 {
 125     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 126     HRESULT hres;
 127     LPUNKNOWN punk;
 128
 129     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 130
 131     *ppobj = NULL;
 132     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 133     if (SUCCEEDED(hres)) {
 134         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 135         IUnknown_Release(punk);
 136     }
 137     return hres;
 138 }
 139
 140 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 141 {
 142     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 143     FIXME("(%p)->(%d),stub!\n",This,dolock);
 144     return S_OK;
 145 }
 146
 147 static const IClassFactoryVtbl DSCF_Vtbl =
 148 {
 149     DSCF_QueryInterface,
 150     DSCF_AddRef,
 151     DSCF_Release,
 152     DSCF_CreateInstance,
 153     DSCF_LockServer
 154 };
 155
 156 /*******************************************************************************
 157  * DllGetClassObject [QUARTZ.@]
 158  * Retrieves class object from a DLL object
 159  *
 160  * NOTES
 161  *    Docs say returns STDAPI
 162  *
 163  * PARAMS
 164  *    rclsid [I] CLSID for the class object
 165  *    riid   [I] Reference to identifier of interface for class object
 166  *    ppv    [O] Address of variable to receive interface pointer for riid
 167  *
 168  * RETURNS
 169  *    Success: S_OK
 170  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 171  *             E_UNEXPECTED
 172  */
 173 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 174 {
 175     unsigned int i;
 176
 177     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 178
 179     if (IsEqualGUID( &IID_IClassFactory, riid ) || IsEqualGUID( &IID_IUnknown, riid))
 180     {
 181         for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 182         {
 183             if (IsEqualGUID(object_creation[i].clsid, rclsid))
 184             {
 185                 IClassFactoryImpl *factory = CoTaskMemAlloc(sizeof(*factory));
 186                 if (factory == NULL) return E_OUTOFMEMORY;
 187
 188                 factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 189                 factory->ref = 1;
 190
 191                 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 192
 193                 *ppv = &factory->ITF_IClassFactory;
 194                 return S_OK;
 195             }
 196         }
 197     }
 198     return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
 199 }
 200
 201 /***********************************************************************
 202  *              DllCanUnloadNow (QUARTZ.@)
 203  */
 204 HRESULT WINAPI DllCanUnloadNow(void)
 205 {
 206     if (dll_ref) return S_FALSE;
 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     char * name = NULL;
 275
 276     for (i=0;InterfaceDesc[i].name && !name;i++) {
 277         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 278     }
 279     return debugstr_guid(id);
 280 }
 281
 282 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 283 {
 284     FIXME("(%d) Stub!\n", ampfactor);
 285     return 0;
 286 }
 287
 288 LONG WINAPI DBToAmpFactor(LONG db)
 289 {
 290     FIXME("(%d) Stub!\n", db);
 291     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 292     if (db < -1000)
 293         return 0;
 294     return 100;
 295 }
 296
 297 /***********************************************************************
 298  *              AMGetErrorTextA (QUARTZ.@)
 299  */
 300 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 301 {
 302     DWORD res;
 303     WCHAR errorW[MAX_ERROR_TEXT_LEN];
 304
 305     TRACE("(%x,%p,%d)\n", hr, buffer, maxlen);
 306     if (!buffer)
 307         return 0;
 308
 309     res = AMGetErrorTextW(hr, errorW, sizeof(errorW)/sizeof(*errorW));
 310     return WideCharToMultiByte(CP_ACP, 0, errorW, res, buffer, maxlen, 0, 0);
 311 }
 312
 313 /***********************************************************************
 314  *              AMGetErrorTextW (QUARTZ.@)
 315  */
 316 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 317 {
 318     unsigned int len;
 319     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 320     WCHAR error[MAX_ERROR_TEXT_LEN];
 321
 322     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 323
 324     if (!buffer) return 0;
 325     wsprintfW(error, format, hr);
 326     if ((len = strlenW(error)) >= maxlen) return 0;
 327     lstrcpyW(buffer, error);
 328     return len;
 329 }