1 /* DirectShow Base Functions (QUARTZ.DLL)
3 * Copyright 2002 Lionel Ulmer
5 * This file contains the (internal) driver registration functions,
6 * driver enumeration APIs and DirectDraw creation functions.
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.
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.
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
24 #include "wine/debug.h"
26 #include "quartz_private.h"
28 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
30 static DWORD dll_ref = 0;
32 /* For the moment, do nothing here. */
33 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
36 case DLL_PROCESS_ATTACH:
37 DisableThreadLibraryCalls(hInstDLL);
39 case DLL_PROCESS_DETACH:
45 /******************************************************************************
46 * DirectShow ClassFactory
49 IClassFactory ITF_IClassFactory;
52 HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
55 struct object_creation_info
58 HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
61 static const struct object_creation_info object_creation[] =
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 }
83 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
85 IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
87 if (IsEqualGUID(riid, &IID_IUnknown)
88 || IsEqualGUID(riid, &IID_IClassFactory))
90 IClassFactory_AddRef(iface);
96 WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
100 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
102 IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
103 return InterlockedIncrement(&This->ref);
106 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
108 IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
110 ULONG ref = InterlockedDecrement(&This->ref);
119 static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
120 REFIID riid, LPVOID *ppobj)
122 IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
126 TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
129 hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
130 if (SUCCEEDED(hres)) {
131 hres = IUnknown_QueryInterface(punk, riid, ppobj);
132 IUnknown_Release(punk);
137 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
139 IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
140 FIXME("(%p)->(%d),stub!\n",This,dolock);
144 static const IClassFactoryVtbl DSCF_Vtbl =
153 /*******************************************************************************
154 * DllGetClassObject [QUARTZ.@]
155 * Retrieves class object from a DLL object
158 * Docs say returns STDAPI
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
167 * Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
170 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
173 IClassFactoryImpl *factory;
175 TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
177 if ( !IsEqualGUID( &IID_IClassFactory, riid )
178 && ! IsEqualGUID( &IID_IUnknown, riid) )
179 return E_NOINTERFACE;
181 for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
183 if (IsEqualGUID(object_creation[i].clsid, rclsid))
187 if (i == sizeof(object_creation)/sizeof(object_creation[0]))
189 FIXME("%s: no class found.\n", debugstr_guid(rclsid));
190 return CLASS_E_CLASSNOTAVAILABLE;
193 factory = CoTaskMemAlloc(sizeof(*factory));
194 if (factory == NULL) return E_OUTOFMEMORY;
196 factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
199 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
201 *ppv = &(factory->ITF_IClassFactory);
205 /***********************************************************************
206 * DllCanUnloadNow (QUARTZ.@)
208 HRESULT WINAPI DllCanUnloadNow(void)
210 return dll_ref != 0 ? S_FALSE : S_OK;
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 },
217 static const struct {
223 { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
226 /***********************************************************************
227 * qzdebugstr_guid (internal)
229 * Gives a text version of DirectShow GUIDs
231 const char * qzdebugstr_guid( const GUID * id )
236 for (i=0;InterfaceDesc[i].name && !name;i++) {
237 if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
239 return debugstr_guid(id);
242 /***********************************************************************
243 * qzdebugstr_State (internal)
245 * Gives a text version of the FILTER_STATE enumeration
247 const char * qzdebugstr_State(FILTER_STATE state)
252 return "State_Stopped";
254 return "State_Running";
256 return "State_Paused";
258 return "State_Unknown";
262 LONG WINAPI AmpFactorToDB(LONG ampfactor)
264 FIXME("(%d) Stub!\n", ampfactor);
268 LONG WINAPI DBToAmpFactor(LONG db)
270 FIXME("(%d) Stub!\n", db);
271 /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
277 /***********************************************************************
278 * AMGetErrorTextA (QUARTZ.@)
280 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
283 static const char format[] = "Error: 0x%x";
284 char error[MAX_ERROR_TEXT_LEN];
286 FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
288 if (!buffer) return 0;
289 wsprintfA(error, format, hr);
290 if ((len = lstrlenA(error)) >= maxlen) return 0;
291 lstrcpyA(buffer, error);
295 /***********************************************************************
296 * AMGetErrorTextW (QUARTZ.@)
298 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
301 static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
302 WCHAR error[MAX_ERROR_TEXT_LEN];
304 FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
306 if (!buffer) return 0;
307 wsprintfW(error, format, hr);
308 if ((len = lstrlenW(error)) >= maxlen) return 0;
309 lstrcpyW(buffer, error);