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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/debug.h"
  25
  26 #include "quartz_private.h"
  27 #include "wine/unicode.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  30
  31 extern HRESULT WINAPI QUARTZ_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC_HIDDEN;
  32 extern HRESULT WINAPI QUARTZ_DllCanUnloadNow(void) DECLSPEC_HIDDEN;
  33 extern BOOL WINAPI QUARTZ_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
  34
  35 static DWORD dll_ref = 0;
  36
  37 /* For the moment, do nothing here. */
  38 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  39 {
  40     if (fdwReason == DLL_PROCESS_DETACH)
  41         video_unregister_windowclass();
  42     return QUARTZ_DllMain( hInstDLL, fdwReason, lpv );
  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_VideoRendererDefault, VideoRendererDefault_create },
  75     { &CLSID_DSoundRender, DSoundRender_create },
  76     { &CLSID_AudioRender, DSoundRender_create },
  77     { &CLSID_AVIDec, AVIDec_create },
  78     { &CLSID_SystemClock, QUARTZ_CreateSystemClock },
  79     { &CLSID_ACMWrapper, ACMWrapper_create },
  80     { &CLSID_WAVEParser, WAVEParser_create }
  81 };
  82
  83 static HRESULT WINAPI
  84 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
  85 {
  86     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  87
  88     if (IsEqualGUID(riid, &IID_IUnknown)
  89         || IsEqualGUID(riid, &IID_IClassFactory))
  90     {
  91         IClassFactory_AddRef(iface);
  92         *ppobj = This;
  93         return S_OK;
  94     }
  95
  96     *ppobj = NULL;
  97     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  98     return E_NOINTERFACE;
  99 }
 100
 101 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
 102 {
 103     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 104     return InterlockedIncrement(&This->ref);
 105 }
 106
 107 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
 108 {
 109     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 110
 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(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
 121                                           REFIID riid, LPVOID *ppobj)
 122 {
 123     IClassFactoryImpl *This = (IClassFactoryImpl *)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     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 131     if (SUCCEEDED(hres)) {
 132         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 133         IUnknown_Release(punk);
 134     }
 135     return hres;
 136 }
 137
 138 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 139 {
 140     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 141     FIXME("(%p)->(%d),stub!\n",This,dolock);
 142     return S_OK;
 143 }
 144
 145 static const IClassFactoryVtbl DSCF_Vtbl =
 146 {
 147     DSCF_QueryInterface,
 148     DSCF_AddRef,
 149     DSCF_Release,
 150     DSCF_CreateInstance,
 151     DSCF_LockServer
 152 };
 153
 154 /*******************************************************************************
 155  * DllGetClassObject [QUARTZ.@]
 156  * Retrieves class object from a DLL object
 157  *
 158  * NOTES
 159  *    Docs say returns STDAPI
 160  *
 161  * PARAMS
 162  *    rclsid [I] CLSID for the class object
 163  *    riid   [I] Reference to identifier of interface for class object
 164  *    ppv    [O] Address of variable to receive interface pointer for riid
 165  *
 166  * RETURNS
 167  *    Success: S_OK
 168  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 169  *             E_UNEXPECTED
 170  */
 171 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 172 {
 173     unsigned int i;
 174
 175     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 176
 177     if (IsEqualGUID( &IID_IClassFactory, riid ) || IsEqualGUID( &IID_IUnknown, riid))
 178     {
 179         for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 180         {
 181             if (IsEqualGUID(object_creation[i].clsid, rclsid))
 182             {
 183                 IClassFactoryImpl *factory = CoTaskMemAlloc(sizeof(*factory));
 184                 if (factory == NULL) return E_OUTOFMEMORY;
 185
 186                 factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 187                 factory->ref = 1;
 188
 189                 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 190
 191                 *ppv = &factory->ITF_IClassFactory;
 192                 return S_OK;
 193             }
 194         }
 195     }
 196     return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
 197 }
 198
 199 /***********************************************************************
 200  *              DllCanUnloadNow (QUARTZ.@)
 201  */
 202 HRESULT WINAPI DllCanUnloadNow(void)
 203 {
 204     if (dll_ref) return S_FALSE;
 205     return QUARTZ_DllCanUnloadNow();
 206 }
 207
 208
 209 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 210     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 211
 212 static const struct {
 213         const GUID      riid;
 214         const char      *name;
 215 } InterfaceDesc[] =
 216 {
 217 #include "uuids.h"
 218     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 219 };
 220
 221 /***********************************************************************
 222  *              proxies
 223  */
 224 HRESULT CALLBACK ICaptureGraphBuilder_FindInterface_Proxy( ICaptureGraphBuilder *This,
 225                                                            const GUID *pCategory,
 226                                                            IBaseFilter *pf,
 227                                                            REFIID riid,
 228                                                            void **ppint )
 229 {
 230     return ICaptureGraphBuilder_RemoteFindInterface_Proxy( This, pCategory, pf,
 231                                                            riid, (IUnknown **)ppint );
 232 }
 233
 234 HRESULT __RPC_STUB ICaptureGraphBuilder_FindInterface_Stub( ICaptureGraphBuilder *This,
 235                                                             const GUID *pCategory,
 236                                                             IBaseFilter *pf,
 237                                                             REFIID riid,
 238                                                             IUnknown **ppint )
 239 {
 240     return ICaptureGraphBuilder_FindInterface( This, pCategory, pf, riid, (void **)ppint );
 241 }
 242
 243 HRESULT CALLBACK ICaptureGraphBuilder2_FindInterface_Proxy( ICaptureGraphBuilder2 *This,
 244                                                             const GUID *pCategory,
 245                                                             const GUID *pType,
 246                                                             IBaseFilter *pf,
 247                                                             REFIID riid,
 248                                                             void **ppint )
 249 {
 250     return ICaptureGraphBuilder2_RemoteFindInterface_Proxy( This, pCategory, pType,
 251                                                             pf, riid, (IUnknown **)ppint );
 252 }
 253
 254 HRESULT __RPC_STUB ICaptureGraphBuilder2_FindInterface_Stub( ICaptureGraphBuilder2 *This,
 255                                                              const GUID *pCategory,
 256                                                              const GUID *pType,
 257                                                              IBaseFilter *pf,
 258                                                              REFIID riid,
 259                                                              IUnknown **ppint )
 260 {
 261     return ICaptureGraphBuilder2_FindInterface( This, pCategory, pType, pf, riid, (void **)ppint );
 262 }
 263
 264 /***********************************************************************
 265  *              qzdebugstr_guid (internal)
 266  *
 267  * Gives a text version of DirectShow GUIDs
 268  */
 269 const char * qzdebugstr_guid( const GUID * id )
 270 {
 271     int i;
 272     char * name = NULL;
 273
 274     for (i=0;InterfaceDesc[i].name && !name;i++) {
 275         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 276     }
 277     return debugstr_guid(id);
 278 }
 279
 280 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 281 {
 282     FIXME("(%d) Stub!\n", ampfactor);
 283     return 0;
 284 }
 285
 286 LONG WINAPI DBToAmpFactor(LONG db)
 287 {
 288     FIXME("(%d) Stub!\n", db);
 289     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 290     if (db < -1000)
 291         return 0;
 292     return 100;
 293 }
 294
 295 /***********************************************************************
 296  *              AMGetErrorTextA (QUARTZ.@)
 297  */
 298 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 299 {
 300     DWORD res;
 301     WCHAR errorW[MAX_ERROR_TEXT_LEN];
 302
 303     TRACE("(%x,%p,%d)\n", hr, buffer, maxlen);
 304     if (!buffer)
 305         return 0;
 306
 307     res = AMGetErrorTextW(hr, errorW, sizeof(errorW)/sizeof(*errorW));
 308     return WideCharToMultiByte(CP_ACP, 0, errorW, res, buffer, maxlen, 0, 0);
 309 }
 310
 311 /***********************************************************************
 312  *              AMGetErrorTextW (QUARTZ.@)
 313  */
 314 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 315 {
 316     unsigned int len;
 317     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 318     WCHAR error[MAX_ERROR_TEXT_LEN];
 319
 320     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 321
 322     if (!buffer) return 0;
 323     wsprintfW(error, format, hr);
 324     if ((len = strlenW(error)) >= maxlen) return 0;
 325     lstrcpyW(buffer, error);
 326     return len;
 327 }