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_FilterGraph, FilterGraph_create },
  64     { &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
  65     { &CLSID_FilterMapper, FilterMapper_create },
  66     { &CLSID_FilterMapper2, FilterMapper2_create },
  67     { &CLSID_AsyncReader, AsyncReader_create },
  68     { &CLSID_MemoryAllocator, StdMemAllocator_create },
  69     { &CLSID_AviSplitter, AVISplitter_create },
  70     { &CLSID_MPEG1Splitter, MPEGSplitter_create },
  71     { &CLSID_VideoRenderer, VideoRenderer_create },
  72     { &CLSID_NullRenderer, NullRenderer_create },
  73     { &CLSID_VideoRendererDefault, VideoRendererDefault_create },
  74     { &CLSID_DSoundRender, DSoundRender_create },
  75     { &CLSID_AVIDec, AVIDec_create },
  76     { &CLSID_SystemClock, &QUARTZ_CreateSystemClock },
  77     { &CLSID_ACMWrapper, &ACMWrapper_create },
  78     { &CLSID_WAVEParser, &WAVEParser_create }
  79 };
  80
  81 static HRESULT WINAPI
  82 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
  83 {
  84     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  85
  86     if (IsEqualGUID(riid, &IID_IUnknown)
  87         || IsEqualGUID(riid, &IID_IClassFactory))
  88     {
  89         IClassFactory_AddRef(iface);
  90         *ppobj = This;
  91         return S_OK;
  92     }
  93
  94     *ppobj = NULL;
  95     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  96     return E_NOINTERFACE;
  97 }
  98
  99 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
 100 {
 101     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 102     return InterlockedIncrement(&This->ref);
 103 }
 104
 105 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
 106 {
 107     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 108
 109     ULONG ref = InterlockedDecrement(&This->ref);
 110
 111     if (ref == 0)
 112         CoTaskMemFree(This);
 113
 114     return ref;
 115 }
 116
 117
 118 static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
 119                                           REFIID riid, LPVOID *ppobj)
 120 {
 121     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 122     HRESULT hres;
 123     LPUNKNOWN punk;
 124
 125     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 126
 127     *ppobj = NULL;
 128     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 129     if (SUCCEEDED(hres)) {
 130         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 131         IUnknown_Release(punk);
 132     }
 133     return hres;
 134 }
 135
 136 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 137 {
 138     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 139     FIXME("(%p)->(%d),stub!\n",This,dolock);
 140     return S_OK;
 141 }
 142
 143 static const IClassFactoryVtbl DSCF_Vtbl =
 144 {
 145     DSCF_QueryInterface,
 146     DSCF_AddRef,
 147     DSCF_Release,
 148     DSCF_CreateInstance,
 149     DSCF_LockServer
 150 };
 151
 152 /*******************************************************************************
 153  * DllGetClassObject [QUARTZ.@]
 154  * Retrieves class object from a DLL object
 155  *
 156  * NOTES
 157  *    Docs say returns STDAPI
 158  *
 159  * PARAMS
 160  *    rclsid [I] CLSID for the class object
 161  *    riid   [I] Reference to identifier of interface for class object
 162  *    ppv    [O] Address of variable to receive interface pointer for riid
 163  *
 164  * RETURNS
 165  *    Success: S_OK
 166  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 167  *             E_UNEXPECTED
 168  */
 169 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 170 {
 171     unsigned int i;
 172     IClassFactoryImpl *factory;
 173
 174     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 175
 176     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 177          && ! IsEqualGUID( &IID_IUnknown, riid) )
 178         return E_NOINTERFACE;
 179
 180     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 181     {
 182         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 183             break;
 184     }
 185
 186     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 187     {
 188         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 189         return CLASS_E_CLASSNOTAVAILABLE;
 190     }
 191
 192     factory = CoTaskMemAlloc(sizeof(*factory));
 193     if (factory == NULL) return E_OUTOFMEMORY;
 194
 195     factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 196     factory->ref = 1;
 197
 198     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 199
 200     *ppv = &(factory->ITF_IClassFactory);
 201     return S_OK;
 202 }
 203
 204 /***********************************************************************
 205  *              DllCanUnloadNow (QUARTZ.@)
 206  */
 207 HRESULT WINAPI DllCanUnloadNow(void)
 208 {
 209     return dll_ref != 0 ? S_FALSE : S_OK;
 210 }
 211
 212
 213 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 214     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 215
 216 static const struct {
 217         const GUID      riid;
 218         const char      *name;
 219 } InterfaceDesc[] =
 220 {
 221 #include "uuids.h"
 222     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 223 };
 224
 225 /***********************************************************************
 226  *              qzdebugstr_guid (internal)
 227  *
 228  * Gives a text version of DirectShow GUIDs
 229  */
 230 const char * qzdebugstr_guid( const GUID * id )
 231 {
 232     int i;
 233     char * name = NULL;
 234
 235     for (i=0;InterfaceDesc[i].name && !name;i++) {
 236         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 237     }
 238     return debugstr_guid(id);
 239 }
 240
 241 /***********************************************************************
 242  *              qzdebugstr_State (internal)
 243  *
 244  * Gives a text version of the FILTER_STATE enumeration
 245  */
 246 const char * qzdebugstr_State(FILTER_STATE state)
 247 {
 248     switch (state)
 249     {
 250     case State_Stopped:
 251         return "State_Stopped";
 252     case State_Running:
 253         return "State_Running";
 254     case State_Paused:
 255         return "State_Paused";
 256     default:
 257         return "State_Unknown";
 258     }
 259 }
 260
 261 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 262 {
 263     FIXME("(%d) Stub!\n", ampfactor);
 264     return 0;
 265 }
 266
 267 LONG WINAPI DBToAmpFactor(LONG db)
 268 {
 269     FIXME("(%d) Stub!\n", db);
 270     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 271     if (db < -1000)
 272         return 0;
 273     return 100;
 274 }
 275
 276 /***********************************************************************
 277  *              AMGetErrorTextA (QUARTZ.@)
 278  */
 279 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 280 {
 281     int len;
 282     static const char format[] = "Error: 0x%x";
 283     char error[MAX_ERROR_TEXT_LEN];
 284
 285     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 286
 287     if (!buffer) return 0;
 288     wsprintfA(error, format, hr);
 289     if ((len = lstrlenA(error)) >= maxlen) return 0;
 290     lstrcpyA(buffer, error);
 291     return len;
 292 }
 293
 294 /***********************************************************************
 295  *              AMGetErrorTextW (QUARTZ.@)
 296  */
 297 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 298 {
 299     int len;
 300     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 301     WCHAR error[MAX_ERROR_TEXT_LEN];
 302
 303     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 304
 305     if (!buffer) return 0;
 306     wsprintfW(error, format, hr);
 307     if ((len = lstrlenW(error)) >= maxlen) return 0;
 308     lstrcpyW(buffer, error);
 309     return len;
 310 }