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[wine] / dlls / quartz / main.c
1 /*              DirectShow Base Functions (QUARTZ.DLL)
2  *
3  * Copyright 2002 Lionel Ulmer
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this library; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
18  */
19
20 #include "config.h"
21 #include "wine/debug.h"
22
23 #include "quartz_private.h"
24 #include "wine/unicode.h"
25
26 WINE_DEFAULT_DEBUG_CHANNEL(quartz);
27
28 extern HRESULT WINAPI QUARTZ_DllGetClassObject(REFCLSID, REFIID, LPVOID *) DECLSPEC_HIDDEN;
29 extern HRESULT WINAPI QUARTZ_DllCanUnloadNow(void) DECLSPEC_HIDDEN;
30 extern BOOL WINAPI QUARTZ_DllMain(HINSTANCE, DWORD, LPVOID) DECLSPEC_HIDDEN;
31
32 static DWORD dll_ref = 0;
33
34 /* For the moment, do nothing here. */
35 BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpv)
36 {
37     if (fdwReason == DLL_PROCESS_DETACH)
38         video_unregister_windowclass();
39     return QUARTZ_DllMain( hInstDLL, fdwReason, lpv );
40 }
41
42 HRESULT SeekingPassThru_create(IUnknown *pUnkOuter, LPVOID *ppObj)
43 {
44     return PosPassThru_Construct(pUnkOuter,ppObj); /* from strmbase */
45 }
46
47 /******************************************************************************
48  * DirectShow ClassFactory
49  */
50 typedef struct {
51     IClassFactory ITF_IClassFactory;
52
53     LONG ref;
54     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
55 } IClassFactoryImpl;
56
57 struct object_creation_info
58 {
59     const CLSID *clsid;
60     HRESULT (*pfnCreateInstance)(IUnknown *pUnkOuter, LPVOID *ppObj);
61 };
62
63 static const struct object_creation_info object_creation[] =
64 {
65     { &CLSID_SeekingPassThru, SeekingPassThru_create },
66     { &CLSID_FilterGraph, FilterGraph_create },
67     { &CLSID_FilterGraphNoThread, FilterGraphNoThread_create },
68     { &CLSID_FilterMapper, FilterMapper_create },
69     { &CLSID_FilterMapper2, FilterMapper2_create },
70     { &CLSID_AsyncReader, AsyncReader_create },
71     { &CLSID_MemoryAllocator, StdMemAllocator_create },
72     { &CLSID_AviSplitter, AVISplitter_create },
73     { &CLSID_MPEG1Splitter, MPEGSplitter_create },
74     { &CLSID_VideoRenderer, VideoRenderer_create },
75     { &CLSID_NullRenderer, NullRenderer_create },
76     { &CLSID_VideoRendererDefault, VideoRendererDefault_create },
77     { &CLSID_DSoundRender, DSoundRender_create },
78     { &CLSID_AudioRender, DSoundRender_create },
79     { &CLSID_AVIDec, AVIDec_create },
80     { &CLSID_SystemClock, QUARTZ_CreateSystemClock },
81     { &CLSID_ACMWrapper, ACMWrapper_create },
82     { &CLSID_WAVEParser, WAVEParser_create }
83 };
84
85 static HRESULT WINAPI
86 DSCF_QueryInterface(LPCLASSFACTORY iface,REFIID riid,LPVOID *ppobj)
87 {
88     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
89
90     if (IsEqualGUID(riid, &IID_IUnknown)
91         || IsEqualGUID(riid, &IID_IClassFactory))
92     {
93         IClassFactory_AddRef(iface);
94         *ppobj = This;
95         return S_OK;
96     }
97
98     *ppobj = NULL;
99     WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
100     return E_NOINTERFACE;
101 }
102
103 static ULONG WINAPI DSCF_AddRef(LPCLASSFACTORY iface)
104 {
105     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
106     return InterlockedIncrement(&This->ref);
107 }
108
109 static ULONG WINAPI DSCF_Release(LPCLASSFACTORY iface)
110 {
111     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
112
113     ULONG ref = InterlockedDecrement(&This->ref);
114
115     if (ref == 0)
116         CoTaskMemFree(This);
117
118     return ref;
119 }
120
121
122 static HRESULT WINAPI DSCF_CreateInstance(LPCLASSFACTORY iface, LPUNKNOWN pOuter,
123                                           REFIID riid, LPVOID *ppobj)
124 {
125     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
126     HRESULT hres;
127     LPUNKNOWN punk;
128     
129     TRACE("(%p)->(%p,%s,%p)\n",This,pOuter,debugstr_guid(riid),ppobj);
130
131     *ppobj = NULL;
132     hres = This->pfnCreateInstance(pOuter, (LPVOID *) &punk);
133     if (SUCCEEDED(hres)) {
134         hres = IUnknown_QueryInterface(punk, riid, ppobj);
135         IUnknown_Release(punk);
136     }
137     return hres;
138 }
139
140 static HRESULT WINAPI DSCF_LockServer(LPCLASSFACTORY iface,BOOL dolock)
141 {
142     IClassFactoryImpl *This = (IClassFactoryImpl *)iface;
143     FIXME("(%p)->(%d),stub!\n",This,dolock);
144     return S_OK;
145 }
146
147 static const IClassFactoryVtbl DSCF_Vtbl =
148 {
149     DSCF_QueryInterface,
150     DSCF_AddRef,
151     DSCF_Release,
152     DSCF_CreateInstance,
153     DSCF_LockServer
154 };
155
156 /*******************************************************************************
157  * DllGetClassObject [QUARTZ.@]
158  * Retrieves class object from a DLL object
159  *
160  * NOTES
161  *    Docs say returns STDAPI
162  *
163  * PARAMS
164  *    rclsid [I] CLSID for the class object
165  *    riid   [I] Reference to identifier of interface for class object
166  *    ppv    [O] Address of variable to receive interface pointer for riid
167  *
168  * RETURNS
169  *    Success: S_OK
170  *    Failure: CLASS_E_CLASSNOTAVAILABLE, E_OUTOFMEMORY, E_INVALIDARG,
171  *             E_UNEXPECTED
172  */
173 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
174 {
175     unsigned int i;
176
177     TRACE("(%s,%s,%p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
178
179     if (IsEqualGUID( &IID_IClassFactory, riid ) || IsEqualGUID( &IID_IUnknown, riid))
180     {
181         for (i=0; i < sizeof(object_creation)/sizeof(object_creation[0]); i++)
182         {
183             if (IsEqualGUID(object_creation[i].clsid, rclsid))
184             {
185                 IClassFactoryImpl *factory = CoTaskMemAlloc(sizeof(*factory));
186                 if (factory == NULL) return E_OUTOFMEMORY;
187
188                 factory->ITF_IClassFactory.lpVtbl = &DSCF_Vtbl;
189                 factory->ref = 1;
190
191                 factory->pfnCreateInstance = object_creation[i].pfnCreateInstance;
192
193                 *ppv = &factory->ITF_IClassFactory;
194                 return S_OK;
195             }
196         }
197     }
198     return QUARTZ_DllGetClassObject( rclsid, riid, ppv );
199 }
200
201 /***********************************************************************
202  *              DllCanUnloadNow (QUARTZ.@)
203  */
204 HRESULT WINAPI DllCanUnloadNow(void)
205 {
206     if (dll_ref) return S_FALSE;
207     return QUARTZ_DllCanUnloadNow();
208 }
209
210
211 #define OUR_GUID_ENTRY(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
212     { { l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } } , #name },
213
214 static const struct {
215         const GUID      riid;
216         const char      *name;
217 } InterfaceDesc[] =
218 {
219 #include "uuids.h"
220     { { 0, 0, 0, {0, 0, 0, 0, 0, 0, 0, 0} }, NULL }
221 };
222
223 /***********************************************************************
224  *              proxies
225  */
226 HRESULT CALLBACK ICaptureGraphBuilder_FindInterface_Proxy( ICaptureGraphBuilder *This,
227                                                            const GUID *pCategory,
228                                                            IBaseFilter *pf,
229                                                            REFIID riid,
230                                                            void **ppint )
231 {
232     return ICaptureGraphBuilder_RemoteFindInterface_Proxy( This, pCategory, pf,
233                                                            riid, (IUnknown **)ppint );
234 }
235
236 HRESULT __RPC_STUB ICaptureGraphBuilder_FindInterface_Stub( ICaptureGraphBuilder *This,
237                                                             const GUID *pCategory,
238                                                             IBaseFilter *pf,
239                                                             REFIID riid,
240                                                             IUnknown **ppint )
241 {
242     return ICaptureGraphBuilder_FindInterface( This, pCategory, pf, riid, (void **)ppint );
243 }
244
245 HRESULT CALLBACK ICaptureGraphBuilder2_FindInterface_Proxy( ICaptureGraphBuilder2 *This,
246                                                             const GUID *pCategory,
247                                                             const GUID *pType,
248                                                             IBaseFilter *pf,
249                                                             REFIID riid,
250                                                             void **ppint )
251 {
252     return ICaptureGraphBuilder2_RemoteFindInterface_Proxy( This, pCategory, pType,
253                                                             pf, riid, (IUnknown **)ppint );
254 }
255
256 HRESULT __RPC_STUB ICaptureGraphBuilder2_FindInterface_Stub( ICaptureGraphBuilder2 *This,
257                                                              const GUID *pCategory,
258                                                              const GUID *pType,
259                                                              IBaseFilter *pf,
260                                                              REFIID riid,
261                                                              IUnknown **ppint )
262 {
263     return ICaptureGraphBuilder2_FindInterface( This, pCategory, pType, pf, riid, (void **)ppint );
264 }
265
266 /***********************************************************************
267  *              qzdebugstr_guid (internal)
268  *
269  * Gives a text version of DirectShow GUIDs
270  */
271 const char * qzdebugstr_guid( const GUID * id )
272 {
273     int i;
274     char * name = NULL;
275
276     for (i=0;InterfaceDesc[i].name && !name;i++) {
277         if (IsEqualGUID(&InterfaceDesc[i].riid, id)) return InterfaceDesc[i].name;
278     }
279     return debugstr_guid(id);
280 }
281
282 LONG WINAPI AmpFactorToDB(LONG ampfactor)
283 {
284     FIXME("(%d) Stub!\n", ampfactor);
285     return 0;
286 }
287
288 LONG WINAPI DBToAmpFactor(LONG db)
289 {
290     FIXME("(%d) Stub!\n", db);
291     /* Avoid divide by zero (probably during range computation) in Windows Media Player 6.4 */
292     if (db < -1000)
293         return 0;
294     return 100;
295 }
296
297 /***********************************************************************
298  *              AMGetErrorTextA (QUARTZ.@)
299  */
300 DWORD WINAPI AMGetErrorTextA(HRESULT hr, LPSTR buffer, DWORD maxlen)
301 {
302     DWORD res;
303     WCHAR errorW[MAX_ERROR_TEXT_LEN];
304
305     TRACE("(%x,%p,%d)\n", hr, buffer, maxlen);
306     if (!buffer)
307         return 0;
308
309     res = AMGetErrorTextW(hr, errorW, sizeof(errorW)/sizeof(*errorW));
310     return WideCharToMultiByte(CP_ACP, 0, errorW, res, buffer, maxlen, 0, 0);
311 }
312
313 /***********************************************************************
314  *              AMGetErrorTextW (QUARTZ.@)
315  */
316 DWORD WINAPI AMGetErrorTextW(HRESULT hr, LPWSTR buffer, DWORD maxlen)
317 {
318     unsigned int len;
319     static const WCHAR format[] = {'E','r','r','o','r',':',' ','0','x','%','l','x',0};
320     WCHAR error[MAX_ERROR_TEXT_LEN];
321
322     FIXME("(%x,%p,%d) stub\n", hr, buffer, maxlen);
323
324     if (!buffer) return 0;
325     wsprintfW(error, format, hr);
326     if ((len = strlenW(error)) >= maxlen) return 0;
327     lstrcpyW(buffer, error);
328     return len;
329 }