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_AVIDec, AVIDec_create },
  77     { &CLSID_SystemClock, &QUARTZ_CreateSystemClock },
  78     { &CLSID_ACMWrapper, &ACMWrapper_create },
  79     { &CLSID_WAVEParser, &WAVEParser_create }
  80 };
  81
  82 static HRESULT WINAPI
  83 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
  84 {
  85     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  86
  87     if (IsEqualGUID(riid, &IID_IUnknown)
  88         || IsEqualGUID(riid, &IID_IClassFactory))
  89     {
  90         IClassFactory_AddRef(iface);
  91         *ppobj = This;
  92         return S_OK;
  93     }
  94
  95     *ppobj = NULL;
  96     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  97     return E_NOINTERFACE;
  98 }
  99
 100 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
 101 {
 102     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 103     return InterlockedIncrement(&This->ref);
 104 }
 105
 106 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
 107 {
 108     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 109
 110     ULONG ref = InterlockedDecrement(&This->ref);
 111
 112     if (ref == 0)
 113         CoTaskMemFree(This);
 114
 115     return ref;
 116 }
 117
 118
 119 static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
 120                                           REFIID riid, LPVOID *ppobj)
 121 {
 122     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 123     HRESULT hres;
 124     LPUNKNOWN punk;
 125
 126     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 127
 128     *ppobj = NULL;
 129     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 130     if (SUCCEEDED(hres)) {
 131         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 132         IUnknown_Release(punk);
 133     }
 134     return hres;
 135 }
 136
 137 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 138 {
 139     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 140     FIXME("(%p)->(%d),stub!\n",This,dolock);
 141     return S_OK;
 142 }
 143
 144 static const IClassFactoryVtbl DSCF_Vtbl =
 145 {
 146     DSCF_QueryInterface,
 147     DSCF_AddRef,
 148     DSCF_Release,
 149     DSCF_CreateInstance,
 150     DSCF_LockServer
 151 };
 152
 153 /*******************************************************************************
 154  * DllGetClassObject [QUARTZ.@]
 155  * Retrieves class object from a DLL object
 156  *
 157  * NOTES
 158  *    Docs say returns STDAPI
 159  *
 160  * PARAMS
 161  *    rclsid [I] CLSID for the class object
 162  *    riid   [I] Reference to identifier of interface for class object
 163  *    ppv    [O] Address of variable to receive interface pointer for riid
 164  *
 165  * RETURNS
 166  *    Success: S_OK
 167  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 168  *             E_UNEXPECTED
 169  */
 170 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 171 {
 172     unsigned int i;
 173     IClassFactoryImpl *factory;
 174
 175     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 176
 177     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 178          && ! IsEqualGUID( &IID_IUnknown, riid) )
 179         return E_NOINTERFACE;
 180
 181     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 182     {
 183         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 184             break;
 185     }
 186
 187     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 188     {
 189         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 190         return CLASS_E_CLASSNOTAVAILABLE;
 191     }
 192
 193     factory = CoTaskMemAlloc(sizeof(*factory));
 194     if (factory == NULL) return E_OUTOFMEMORY;
 195
 196     factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 197     factory->ref = 1;
 198
 199     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 200
 201     *ppv = &(factory->ITF_IClassFactory);
 202     return S_OK;
 203 }
 204
 205 /***********************************************************************
 206  *              DllCanUnloadNow (QUARTZ.@)
 207  */
 208 HRESULT WINAPI DllCanUnloadNow(void)
 209 {
 210     return dll_ref != 0 ? S_FALSE : S_OK;
 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  *              qzdebugstr_guid (internal)
 228  *
 229  * Gives a text version of DirectShow GUIDs
 230  */
 231 const char * qzdebugstr_guid( const GUID * id )
 232 {
 233     int i;
 234     char * name = NULL;
 235
 236     for (i=0;InterfaceDesc[i].name && !name;i++) {
 237         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 238     }
 239     return debugstr_guid(id);
 240 }
 241
 242 /***********************************************************************
 243  *              qzdebugstr_State (internal)
 244  *
 245  * Gives a text version of the FILTER_STATE enumeration
 246  */
 247 const char * qzdebugstr_State(FILTER_STATE state)
 248 {
 249     switch (state)
 250     {
 251     case State_Stopped:
 252         return "State_Stopped";
 253     case State_Running:
 254         return "State_Running";
 255     case State_Paused:
 256         return "State_Paused";
 257     default:
 258         return "State_Unknown";
 259     }
 260 }
 261
 262 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 263 {
 264     FIXME("(%d) Stub!\n", ampfactor);
 265     return 0;
 266 }
 267
 268 LONG WINAPI DBToAmpFactor(LONG db)
 269 {
 270     FIXME("(%d) Stub!\n", db);
 271     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 272     if (db < -1000)
 273         return 0;
 274     return 100;
 275 }
 276
 277 /***********************************************************************
 278  *              AMGetErrorTextA (QUARTZ.@)
 279  */
 280 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 281 {
 282     int len;
 283     static const char format[] = "Error: 0x%x";
 284     char error[MAX_ERROR_TEXT_LEN];
 285
 286     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 287
 288     if (!buffer) return 0;
 289     wsprintfA(error, format, hr);
 290     if ((len = lstrlenA(error)) >= maxlen) return 0;
 291     lstrcpyA(buffer, error);
 292     return len;
 293 }
 294
 295 /***********************************************************************
 296  *              AMGetErrorTextW (QUARTZ.@)
 297  */
 298 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 299 {
 300     int len;
 301     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 302     WCHAR error[MAX_ERROR_TEXT_LEN];
 303
 304     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 305
 306     if (!buffer) return 0;
 307     wsprintfW(error, format, hr);
 308     if ((len = lstrlenW(error)) >= maxlen) return 0;
 309     lstrcpyW(buffer, error);
 310     return len;
 311 }