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 IClassFactory_iface;
  50     LONG ref;
  51     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  52 } IClassFactoryImpl;
  53
  54 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
  55 {
  56     return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
  57 }
  58
  59 struct object_creation_info
  60 {
  61     const CLSID *clsid;
  62     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  63 };
  64
  65 static const struct object_creation_info object_creation[] =
  66 {
  67     { &CLSID_SeekingPassThru, SeekingPassThru_create },
  68     { &CLSID_FilterGraph, FilterGraph_create },
  69     { &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
  70     { &CLSID_FilterMapper, FilterMapper_create },
  71     { &CLSID_FilterMapper2, FilterMapper2_create },
  72     { &CLSID_AsyncReader, AsyncReader_create },
  73     { &CLSID_MemoryAllocator, StdMemAllocator_create },
  74     { &CLSID_AviSplitter, AVISplitter_create },
  75     { &CLSID_MPEG1Splitter, MPEGSplitter_create },
  76     { &CLSID_VideoRenderer, VideoRenderer_create },
  77     { &CLSID_NullRenderer, NullRenderer_create },
  78     { &CLSID_VideoMixingRenderer, VMR7Impl_create },
  79     { &CLSID_VideoMixingRenderer9, VMR9Impl_create },
  80     { &CLSID_VideoRendererDefault, VideoRendererDefault_create },
  81     { &CLSID_DSoundRender, DSoundRender_create },
  82     { &CLSID_AudioRender, DSoundRender_create },
  83     { &CLSID_AVIDec, AVIDec_create },
  84     { &CLSID_SystemClock, QUARTZ_CreateSystemClock },
  85     { &CLSID_ACMWrapper, ACMWrapper_create },
  86     { &CLSID_WAVEParser, WAVEParser_create }
  87 };
  88
  89 static HRESULT WINAPI DSCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
  90 {
  91     if (IsEqualGUID(riid, &IID_IUnknown)
  92         || IsEqualGUID(riid, &IID_IClassFactory))
  93     {
  94         IClassFactory_AddRef(iface);
  95         *ppobj = iface;
  96         return S_OK;
  97     }
  98
  99     *ppobj = NULL;
 100     WARN("(%p)->(%s,%p), not found\n", iface, debugstr_guid(riid), ppobj);
 101     return E_NOINTERFACE;
 102 }
 103
 104 static ULONG WINAPI DSCF_AddRef(IClassFactory *iface)
 105 {
 106     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 107     return InterlockedIncrement(&This->ref);
 108 }
 109
 110 static ULONG WINAPI DSCF_Release(IClassFactory *iface)
 111 {
 112     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 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(IClassFactory *iface, IUnknown *pOuter,
 123                                           REFIID riid, void **ppobj)
 124 {
 125     IClassFactoryImpl *This = impl_from_IClassFactory(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     if(pOuter && !IsEqualGUID(&IID_IUnknown, riid))
 133         return E_NOINTERFACE;
 134
 135     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 136     if (SUCCEEDED(hres)) {
 137         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 138         IUnknown_Release(punk);
 139     }
 140     return hres;
 141 }
 142
 143 static HRESULT WINAPI DSCF_LockServer(IClassFactory *iface, BOOL dolock)
 144 {
 145     IClassFactoryImpl *This = impl_from_IClassFactory(iface);
 146     FIXME("(%p)->(%d),stub!\n",This,dolock);
 147     return S_OK;
 148 }
 149
 150 static const IClassFactoryVtbl DSCF_Vtbl =
 151 {
 152     DSCF_QueryInterface,
 153     DSCF_AddRef,
 154     DSCF_Release,
 155     DSCF_CreateInstance,
 156     DSCF_LockServer
 157 };
 158
 159 /*******************************************************************************
 160  * DllGetClassObject [QUARTZ.@]
 161  * Retrieves class object from a DLL object
 162  *
 163  * NOTES
 164  *    Docs say returns STDAPI
 165  *
 166  * PARAMS
 167  *    rclsid [I] CLSID for the class object
 168  *    riid   [I] Reference to identifier of interface for class object
 169  *    ppv    [O] Address of variable to receive interface pointer for riid
 170  *
 171  * RETURNS
 172  *    Success: S_OK
 173  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 174  *             E_UNEXPECTED
 175  */
 176 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 177 {
 178     unsigned int i;
 179
 180     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 181
 182     if (IsEqualGUID( &IID_IClassFactory, riid ) || IsEqualGUID( &IID_IUnknown, riid))
 183     {
 184         for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 185         {
 186             if (IsEqualGUID(object_creation[i].clsid, rclsid))
 187             {
 188                 IClassFactoryImpl *factory = CoTaskMemAlloc(sizeof(*factory));
 189                 if (factory == NULL) return E_OUTOFMEMORY;
 190
 191                 factory->IClassFactory_iface.lpVtbl = &DSCF_Vtbl;
 192                 factory->ref = 1;
 193
 194                 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 195
 196                 *ppv = &factory->IClassFactory_iface;
 197                 return S_OK;
 198             }
 199         }
 200     }
 201     return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
 202 }
 203
 204 /***********************************************************************
 205  *              DllCanUnloadNow (QUARTZ.@)
 206  */
 207 HRESULT WINAPI DllCanUnloadNow(void)
 208 {
 209     if (dll_ref) return S_FALSE;
 210     return QUARTZ_DllCanUnloadNow();
 211 }
 212
 213
 214 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 215     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 216
 217 static const struct {
 218         const GUID      riid;
 219         const char      *name;
 220 } InterfaceDesc[] =
 221 {
 222 #include "uuids.h"
 223     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 224 };
 225
 226 /***********************************************************************
 227  *              proxies
 228  */
 229 HRESULT CALLBACK ICaptureGraphBuilder_FindInterface_Proxy( ICaptureGraphBuilder *This,
 230                                                            const GUID *pCategory,
 231                                                            IBaseFilter *pf,
 232                                                            REFIID riid,
 233                                                            void **ppint )
 234 {
 235     return ICaptureGraphBuilder_RemoteFindInterface_Proxy( This, pCategory, pf,
 236                                                            riid, (IUnknown **)ppint );
 237 }
 238
 239 HRESULT __RPC_STUB ICaptureGraphBuilder_FindInterface_Stub( ICaptureGraphBuilder *This,
 240                                                             const GUID *pCategory,
 241                                                             IBaseFilter *pf,
 242                                                             REFIID riid,
 243                                                             IUnknown **ppint )
 244 {
 245     return ICaptureGraphBuilder_FindInterface( This, pCategory, pf, riid, (void **)ppint );
 246 }
 247
 248 HRESULT CALLBACK ICaptureGraphBuilder2_FindInterface_Proxy( ICaptureGraphBuilder2 *This,
 249                                                             const GUID *pCategory,
 250                                                             const GUID *pType,
 251                                                             IBaseFilter *pf,
 252                                                             REFIID riid,
 253                                                             void **ppint )
 254 {
 255     return ICaptureGraphBuilder2_RemoteFindInterface_Proxy( This, pCategory, pType,
 256                                                             pf, riid, (IUnknown **)ppint );
 257 }
 258
 259 HRESULT __RPC_STUB ICaptureGraphBuilder2_FindInterface_Stub( ICaptureGraphBuilder2 *This,
 260                                                              const GUID *pCategory,
 261                                                              const GUID *pType,
 262                                                              IBaseFilter *pf,
 263                                                              REFIID riid,
 264                                                              IUnknown **ppint )
 265 {
 266     return ICaptureGraphBuilder2_FindInterface( This, pCategory, pType, pf, riid, (void **)ppint );
 267 }
 268
 269 /***********************************************************************
 270  *              qzdebugstr_guid (internal)
 271  *
 272  * Gives a text version of DirectShow GUIDs
 273  */
 274 const char * qzdebugstr_guid( const GUID * id )
 275 {
 276     int i;
 277     char * name = NULL;
 278
 279     for (i=0;InterfaceDesc[i].name && !name;i++) {
 280         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 281     }
 282     return debugstr_guid(id);
 283 }
 284
 285 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 286 {
 287     FIXME("(%d) Stub!\n", ampfactor);
 288     return 0;
 289 }
 290
 291 LONG WINAPI DBToAmpFactor(LONG db)
 292 {
 293     FIXME("(%d) Stub!\n", db);
 294     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 295     if (db < -1000)
 296         return 0;
 297     return 100;
 298 }
 299
 300 /***********************************************************************
 301  *              AMGetErrorTextA (QUARTZ.@)
 302  */
 303 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 304 {
 305     DWORD res;
 306     WCHAR errorW[MAX_ERROR_TEXT_LEN];
 307
 308     TRACE("(%x,%p,%d)\n", hr, buffer, maxlen);
 309     if (!buffer)
 310         return 0;
 311
 312     res = AMGetErrorTextW(hr, errorW, sizeof(errorW)/sizeof(*errorW));
 313     return WideCharToMultiByte(CP_ACP, 0, errorW, res, buffer, maxlen, 0, 0);
 314 }
 315
 316 /***********************************************************************
 317  *              AMGetErrorTextW (QUARTZ.@)
 318  */
 319 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 320 {
 321     unsigned int len;
 322     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 323     WCHAR error[MAX_ERROR_TEXT_LEN];
 324
 325     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 326
 327     if (!buffer) return 0;
 328     wsprintfW(error, format, hr);
 329     if ((len = strlenW(error)) >= maxlen) return 0;
 330     lstrcpyW(buffer, error);
 331     return len;
 332 }