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_VideoRendererDefault, VideoRendererDefault_create },
  73     { &CLSID_DSoundRender, 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     IClassFactoryImpl *factory;
 172
 173     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 174
 175     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 176          && ! IsEqualGUID( &IID_IUnknown, riid) )
 177         return E_NOINTERFACE;
 178
 179     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 180     {
 181         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 182             break;
 183     }
 184
 185     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 186     {
 187         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 188         return CLASS_E_CLASSNOTAVAILABLE;
 189     }
 190
 191     factory = CoTaskMemAlloc(sizeof(*factory));
 192     if (factory == NULL) return E_OUTOFMEMORY;
 193
 194     factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 195     factory->ref = 1;
 196
 197     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 198
 199     *ppv = &(factory->ITF_IClassFactory);
 200     return S_OK;
 201 }
 202
 203 /***********************************************************************
 204  *              DllCanUnloadNow (QUARTZ.@)
 205  */
 206 HRESULT WINAPI DllCanUnloadNow(void)
 207 {
 208     return dll_ref != 0 ? S_FALSE : S_OK;
 209 }
 210
 211
 212 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 213     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 214
 215 static const struct {
 216         const GUID      riid;
 217         const char      *name;
 218 } InterfaceDesc[] =
 219 {
 220 #include "uuids.h"
 221     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 222 };
 223
 224 /***********************************************************************
 225  *              qzdebugstr_guid (internal)
 226  *
 227  * Gives a text version of DirectShow GUIDs
 228  */
 229 const char * qzdebugstr_guid( const GUID * id )
 230 {
 231     int i;
 232     char * name = NULL;
 233
 234     for (i=0;InterfaceDesc[i].name && !name;i++) {
 235         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 236     }
 237     return debugstr_guid(id);
 238 }
 239
 240 /***********************************************************************
 241  *              qzdebugstr_State (internal)
 242  *
 243  * Gives a text version of the FILTER_STATE enumeration
 244  */
 245 const char * qzdebugstr_State(FILTER_STATE state)
 246 {
 247     switch (state)
 248     {
 249     case State_Stopped:
 250         return "State_Stopped";
 251     case State_Running:
 252         return "State_Running";
 253     case State_Paused:
 254         return "State_Paused";
 255     default:
 256         return "State_Unknown";
 257     }
 258 }
 259
 260 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 261 {
 262     FIXME("(%d) Stub!\n", ampfactor);
 263     return 0;
 264 }
 265
 266 LONG WINAPI DBToAmpFactor(LONG db)
 267 {
 268     FIXME("(%d) Stub!\n", db);
 269     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 270     if (db < -1000)
 271         return 0;
 272     return 100;
 273 }
 274
 275 /***********************************************************************
 276  *              AMGetErrorTextA (QUARTZ.@)
 277  */
 278 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 279 {
 280     int len;
 281     static const char format[] = "Error: 0x%x";
 282     char error[MAX_ERROR_TEXT_LEN];
 283
 284     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 285
 286     if (!buffer) return 0;
 287     wsprintfA(error, format, hr);
 288     if ((len = lstrlenA(error)) >= maxlen) return 0;
 289     lstrcpyA(buffer, error);
 290     return len;
 291 }
 292
 293 /***********************************************************************
 294  *              AMGetErrorTextW (QUARTZ.@)
 295  */
 296 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 297 {
 298     int len;
 299     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 300     WCHAR error[MAX_ERROR_TEXT_LEN];
 301
 302     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 303
 304     if (!buffer) return 0;
 305     wsprintfW(error, format, hr);
 306     if ((len = lstrlenW(error)) >= maxlen) return 0;
 307     lstrcpyW(buffer, error);
 308     return len;
 309 }