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 #include "wine/unicode.h"
  28
  29 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
  30
  31 static DWORD dll_ref = 0;
  32
  33 /* For the moment, do nothing here. */
  34 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
  35 {
  36     switch(fdwReason) {
  37         case DLL_PROCESS_ATTACH:
  38             DisableThreadLibraryCalls(hInstDLL);
  39             break;
  40         case DLL_PROCESS_DETACH:
  41             break;
  42     }
  43     return TRUE;
  44 }
  45
  46 /******************************************************************************
  47  * DirectShow ClassFactory
  48  */
  49 typedef struct {
  50     IClassFactory ITF_IClassFactory;
  51
  52     LONG ref;
  53     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  54 } IClassFactoryImpl;
  55
  56 struct object_creation_info
  57 {
  58     const CLSID *clsid;
  59     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
  60 };
  61
  62 static const struct object_creation_info object_creation[] =
  63 {
  64     { &CLSID_SeekingPassThru, SeekingPassThru_create },
  65     { &CLSID_FilterGraph, FilterGraph_create },
  66     { &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
  67     { &CLSID_FilterMapper, FilterMapper_create },
  68     { &CLSID_FilterMapper2, FilterMapper2_create },
  69     { &CLSID_AsyncReader, AsyncReader_create },
  70     { &CLSID_MemoryAllocator, StdMemAllocator_create },
  71     { &CLSID_AviSplitter, AVISplitter_create },
  72     { &CLSID_MPEG1Splitter, MPEGSplitter_create },
  73     { &CLSID_VideoRenderer, VideoRenderer_create },
  74     { &CLSID_NullRenderer, NullRenderer_create },
  75     { &CLSID_VideoRendererDefault, VideoRendererDefault_create },
  76     { &CLSID_DSoundRender, DSoundRender_create },
  77     { &CLSID_AudioRender, DSoundRender_create },
  78     { &CLSID_AVIDec, AVIDec_create },
  79     { &CLSID_SystemClock, QUARTZ_CreateSystemClock },
  80     { &CLSID_ACMWrapper, ACMWrapper_create },
  81     { &CLSID_WAVEParser, WAVEParser_create }
  82 };
  83
  84 static HRESULT WINAPI
  85 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
  86 {
  87     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
  88
  89     if (IsEqualGUID(riid, &IID_IUnknown)
  90         || IsEqualGUID(riid, &IID_IClassFactory))
  91     {
  92         IClassFactory_AddRef(iface);
  93         *ppobj = This;
  94         return S_OK;
  95     }
  96
  97     *ppobj = NULL;
  98     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
  99     return E_NOINTERFACE;
 100 }
 101
 102 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
 103 {
 104     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 105     return InterlockedIncrement(&This->ref);
 106 }
 107
 108 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
 109 {
 110     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 111
 112     ULONG ref = InterlockedDecrement(&This->ref);
 113
 114     if (ref == 0)
 115         CoTaskMemFree(This);
 116
 117     return ref;
 118 }
 119
 120
 121 static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
 122                                           REFIID riid, LPVOID *ppobj)
 123 {
 124     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 125     HRESULT hres;
 126     LPUNKNOWN punk;
 127
 128     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
 129
 130     *ppobj = NULL;
 131     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
 132     if (SUCCEEDED(hres)) {
 133         hres = IUnknown_QueryInterface(punk, riid, ppobj);
 134         IUnknown_Release(punk);
 135     }
 136     return hres;
 137 }
 138
 139 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
 140 {
 141     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
 142     FIXME("(%p)->(%d),stub!\n",This,dolock);
 143     return S_OK;
 144 }
 145
 146 static const IClassFactoryVtbl DSCF_Vtbl =
 147 {
 148     DSCF_QueryInterface,
 149     DSCF_AddRef,
 150     DSCF_Release,
 151     DSCF_CreateInstance,
 152     DSCF_LockServer
 153 };
 154
 155 /*******************************************************************************
 156  * DllGetClassObject [QUARTZ.@]
 157  * Retrieves class object from a DLL object
 158  *
 159  * NOTES
 160  *    Docs say returns STDAPI
 161  *
 162  * PARAMS
 163  *    rclsid [I] CLSID for the class object
 164  *    riid   [I] Reference to identifier of interface for class object
 165  *    ppv    [O] Address of variable to receive interface pointer for riid
 166  *
 167  * RETURNS
 168  *    Success: S_OK
 169  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
 170  *             E_UNEXPECTED
 171  */
 172 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
 173 {
 174     unsigned int i;
 175     IClassFactoryImpl *factory;
 176
 177     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
 178
 179     if ( !IsEqualGUID( &IID_IClassFactory, riid )
 180          && ! IsEqualGUID( &IID_IUnknown, riid) )
 181         return E_NOINTERFACE;
 182
 183     for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
 184     {
 185         if (IsEqualGUID(object_creation[i].clsid, rclsid))
 186             break;
 187     }
 188
 189     if (i == sizeof(object_creation)/sizeof(object_creation[0]))
 190     {
 191         FIXME("%s: no class found.\n", debugstr_guid(rclsid));
 192         return CLASS_E_CLASSNOTAVAILABLE;
 193     }
 194
 195     factory = CoTaskMemAlloc(sizeof(*factory));
 196     if (factory == NULL) return E_OUTOFMEMORY;
 197
 198     factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
 199     factory->ref = 1;
 200
 201     factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
 202
 203     *ppv = &(factory->ITF_IClassFactory);
 204     return S_OK;
 205 }
 206
 207 /***********************************************************************
 208  *              DllCanUnloadNow (QUARTZ.@)
 209  */
 210 HRESULT WINAPI DllCanUnloadNow(void)
 211 {
 212     return dll_ref != 0 ? S_FALSE : S_OK;
 213 }
 214
 215
 216 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
 217     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
 218
 219 static const struct {
 220         const GUID      riid;
 221         const char      *name;
 222 } InterfaceDesc[] =
 223 {
 224 #include "uuids.h"
 225     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
 226 };
 227
 228 /***********************************************************************
 229  *              qzdebugstr_guid (internal)
 230  *
 231  * Gives a text version of DirectShow GUIDs
 232  */
 233 const char * qzdebugstr_guid( const GUID * id )
 234 {
 235     int i;
 236     char * name = NULL;
 237
 238     for (i=0;InterfaceDesc[i].name && !name;i++) {
 239         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
 240     }
 241     return debugstr_guid(id);
 242 }
 243
 244 LONG WINAPI AmpFactorToDB(LONG ampfactor)
 245 {
 246     FIXME("(%d) Stub!\n", ampfactor);
 247     return 0;
 248 }
 249
 250 LONG WINAPI DBToAmpFactor(LONG db)
 251 {
 252     FIXME("(%d) Stub!\n", db);
 253     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
 254     if (db < -1000)
 255         return 0;
 256     return 100;
 257 }
 258
 259 /***********************************************************************
 260  *              AMGetErrorTextA (QUARTZ.@)
 261  */
 262 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
 263 {
 264     unsigned int len;
 265     static const char format[] = "Error: 0x%x";
 266     char error[MAX_ERROR_TEXT_LEN];
 267
 268     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 269
 270     if (!buffer) return 0;
 271     wsprintfA(error, format, hr);
 272     if ((len = strlen(error)) >= maxlen) return 0;
 273     lstrcpyA(buffer, error);
 274     return len;
 275 }
 276
 277 /***********************************************************************
 278  *              AMGetErrorTextW (QUARTZ.@)
 279  */
 280 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
 281 {
 282     unsigned int len;
 283     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
 284     WCHAR error[MAX_ERROR_TEXT_LEN];
 285
 286     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
 287
 288     if (!buffer) return 0;
 289     wsprintfW(error, format, hr);
 290     if ((len = strlenW(error)) >= maxlen) return 0;
 291     lstrcpyW(buffer, error);
 292     return len;
 293 }