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
  28 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  29
  30 static DWORD dll_ref = 0;
  31
  32 /* For the moment, do nothing here. */
  33 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  34 {
  35     switch(fdwReason) {
  36         case DLL_PROCESS_ATTACH:
  37             DisableThreadLibraryCalls(hInstDLL);
  38             break;
  39         case DLL_PROCESS_DETACH:
  40             break;
  41     }
  42     return TRUE;
  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     IClassFactoryImpl *factory;
 175
 176     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 177
 178     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 179          && ! IsEqualGUID( &IID_IUnknown, riid) )
 180         return E_NOINTERFACE;
 181
 182     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 183     {
 184         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 185             break;
 186     }
 187
 188     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 189     {
 190         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 191         return CLASS_E_CLASSNOTAVAILABLE;
 192     }
 193
 194     factory = CoTaskMemAlloc(sizeof(*factory));
 195     if (factory == NULL) return E_OUTOFMEMORY;
 196
 197     factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 198     factory->ref = 1;
 199
 200     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 201
 202     *ppv = &(factory->ITF_IClassFactory);
 203     return S_OK;
 204 }
 205
 206 /***********************************************************************
 207  *              DllCanUnloadNow (QUARTZ.@)
 208  */
 209 HRESULT WINAPI DllCanUnloadNow(void)
 210 {
 211     return dll_ref != 0 ? S_FALSE : S_OK;
 212 }
 213
 214
 215 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 216     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 217
 218 static const struct {
 219         const GUID      riid;
 220         const char      *name;
 221 } InterfaceDesc[] =
 222 {
 223 #include "uuids.h"
 224     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 225 };
 226
 227 /***********************************************************************
 228  *              qzdebugstr_guid (internal)
 229  *
 230  * Gives a text version of DirectShow GUIDs
 231  */
 232 const char * qzdebugstr_guid( const GUID * id )
 233 {
 234     int i;
 235     char * name = NULL;
 236
 237     for (i=0;InterfaceDesc[i].name && !name;i++) {
 238         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 239     }
 240     return debugstr_guid(id);
 241 }
 242
 243 /***********************************************************************
 244  *              qzdebugstr_State (internal)
 245  *
 246  * Gives a text version of the FILTER_STATE enumeration
 247  */
 248 const char * qzdebugstr_State(FILTER_STATE state)
 249 {
 250     switch (state)
 251     {
 252     case State_Stopped:
 253         return "State_Stopped";
 254     case State_Running:
 255         return "State_Running";
 256     case State_Paused:
 257         return "State_Paused";
 258     default:
 259         return "State_Unknown";
 260     }
 261 }
 262
 263 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 264 {
 265     FIXME("(%d) Stub!\n", ampfactor);
 266     return 0;
 267 }
 268
 269 LONG WINAPI DBToAmpFactor(LONG db)
 270 {
 271     FIXME("(%d) Stub!\n", db);
 272     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 273     if (db < -1000)
 274         return 0;
 275     return 100;
 276 }
 277
 278 /***********************************************************************
 279  *              AMGetErrorTextA (QUARTZ.@)
 280  */
 281 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 282 {
 283     int len;
 284     static const char format[] = "Error: 0x%x";
 285     char error[MAX_ERROR_TEXT_LEN];
 286
 287     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 288
 289     if (!buffer) return 0;
 290     wsprintfA(error, format, hr);
 291     if ((len = lstrlenA(error)) >= maxlen) return 0;
 292     lstrcpyA(buffer, error);
 293     return len;
 294 }
 295
 296 /***********************************************************************
 297  *              AMGetErrorTextW (QUARTZ.@)
 298  */
 299 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 300 {
 301     int len;
 302     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 303     WCHAR error[MAX_ERROR_TEXT_LEN];
 304
 305     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 306
 307     if (!buffer) return 0;
 308     wsprintfW(error, format, hr);
 309     if ((len = lstrlenW(error)) >= maxlen) return 0;
 310     lstrcpyW(buffer, error);
 311     return len;
 312 }