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