[MMDEVAPI] Sync with Wine Staging 3.3. CORE-14434
[reactos.git] / dll / win32 / mmdevapi / main.c
1 /*
2 * Copyright 2009 Maarten Lankhorst
3 * Copyright 2011 Andrew Eikum for CodeWeavers
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/port.h"
22
23 #include <stdarg.h>
24
25 #define COBJMACROS
26 #include "windef.h"
27 #include "winbase.h"
28 #include "wingdi.h"
29 #include "wine/library.h"
30
31 #include "ole2.h"
32 #include "olectl.h"
33 #include "rpcproxy.h"
34 #include "propsys.h"
35 #include "propkeydef.h"
36 #include "mmdeviceapi.h"
37 #include "mmsystem.h"
38 #include "dsound.h"
39 #include "audioclient.h"
40 #include "endpointvolume.h"
41 #include "audiopolicy.h"
42 #include "devpkey.h"
43 #include "winreg.h"
44
45 #include "mmdevapi.h"
46 #include "wine/debug.h"
47 #include "wine/unicode.h"
48
49 WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
50
51 static HINSTANCE instance;
52
53 DriverFuncs drvs;
54
55 const WCHAR drv_keyW[] = {'S','o','f','t','w','a','r','e','\\',
56 'W','i','n','e','\\','D','r','i','v','e','r','s',0};
57
58 static const char *get_priority_string(int prio)
59 {
60 switch(prio){
61 case Priority_Unavailable:
62 return "Unavailable";
63 case Priority_Low:
64 return "Low";
65 case Priority_Neutral:
66 return "Neutral";
67 case Priority_Preferred:
68 return "Preferred";
69 }
70 return "Invalid";
71 }
72
73 static BOOL load_driver(const WCHAR *name, DriverFuncs *driver)
74 {
75 WCHAR driver_module[264];
76 static const WCHAR wineW[] = {'w','i','n','e',0};
77 static const WCHAR dotdrvW[] = {'.','d','r','v',0};
78
79 lstrcpyW(driver_module, wineW);
80 lstrcatW(driver_module, name);
81 lstrcatW(driver_module, dotdrvW);
82
83 TRACE("Attempting to load %s\n", wine_dbgstr_w(driver_module));
84
85 driver->module = LoadLibraryW(driver_module);
86 if(!driver->module){
87 TRACE("Unable to load %s: %u\n", wine_dbgstr_w(driver_module),
88 GetLastError());
89 return FALSE;
90 }
91
92 #define LDFC(n) do { driver->p##n = (void*)GetProcAddress(driver->module, #n);\
93 if(!driver->p##n) { FreeLibrary(driver->module); return FALSE; } } while(0)
94 LDFC(GetPriority);
95 LDFC(GetEndpointIDs);
96 LDFC(GetAudioEndpoint);
97 LDFC(GetAudioSessionManager);
98 #undef LDFC
99
100 /* optional - do not fail if not found */
101 driver->pGetPropValue = (void*)GetProcAddress(driver->module, "GetPropValue");
102
103 driver->priority = driver->pGetPriority();
104 lstrcpyW(driver->module_name, driver_module);
105
106 TRACE("Successfully loaded %s with priority %s\n",
107 wine_dbgstr_w(driver_module), get_priority_string(driver->priority));
108
109 return TRUE;
110 }
111
112 static BOOL WINAPI init_driver(INIT_ONCE *once, void *param, void **context)
113 {
114 static const WCHAR drv_value[] = {'A','u','d','i','o',0};
115
116 static WCHAR default_list[] = {'p','u','l','s','e',',','a','l','s','a',',','o','s','s',',',
117 'c','o','r','e','a','u','d','i','o',',','a','n','d','r','o','i','d',0};
118
119 DriverFuncs driver;
120 HKEY key;
121 WCHAR reg_list[256], *p, *next, *driver_list = default_list;
122
123 if(RegOpenKeyW(HKEY_CURRENT_USER, drv_keyW, &key) == ERROR_SUCCESS){
124 DWORD size = sizeof(reg_list);
125
126 if(RegQueryValueExW(key, drv_value, 0, NULL, (BYTE*)reg_list,
127 &size) == ERROR_SUCCESS){
128 if(reg_list[0] == '\0'){
129 TRACE("User explicitly chose no driver\n");
130 RegCloseKey(key);
131 return TRUE;
132 }
133
134 driver_list = reg_list;
135 }
136
137 RegCloseKey(key);
138 }
139
140 TRACE("Loading driver list %s\n", wine_dbgstr_w(driver_list));
141 for(next = p = driver_list; next; p = next + 1){
142 next = strchrW(p, ',');
143 if(next)
144 *next = '\0';
145
146 driver.priority = Priority_Unavailable;
147 if(load_driver(p, &driver)){
148 if(driver.priority == Priority_Unavailable)
149 FreeLibrary(driver.module);
150 else if(!drvs.module || driver.priority > drvs.priority){
151 TRACE("Selecting driver %s with priority %s\n",
152 wine_dbgstr_w(p), get_priority_string(driver.priority));
153 if(drvs.module)
154 FreeLibrary(drvs.module);
155 drvs = driver;
156 }else
157 FreeLibrary(driver.module);
158 }else
159 TRACE("Failed to load driver %s\n", wine_dbgstr_w(p));
160
161 if(next)
162 *next = ',';
163 }
164
165 return drvs.module != 0;
166 }
167
168 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
169 {
170 TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
171
172 switch (fdwReason)
173 {
174 case DLL_PROCESS_ATTACH:
175 instance = hinstDLL;
176 DisableThreadLibraryCalls(hinstDLL);
177 break;
178 case DLL_PROCESS_DETACH:
179 if(lpvReserved)
180 break;
181 MMDevEnum_Free();
182 break;
183 }
184
185 return TRUE;
186 }
187
188 HRESULT WINAPI DllCanUnloadNow(void)
189 {
190 return S_FALSE;
191 }
192
193 typedef HRESULT (*FnCreateInstance)(REFIID riid, LPVOID *ppobj);
194
195 typedef struct {
196 IClassFactory IClassFactory_iface;
197 REFCLSID rclsid;
198 FnCreateInstance pfnCreateInstance;
199 } IClassFactoryImpl;
200
201 static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface)
202 {
203 return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface);
204 }
205
206 static HRESULT WINAPI
207 MMCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj)
208 {
209 IClassFactoryImpl *This = impl_from_IClassFactory(iface);
210 TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj);
211 if (ppobj == NULL)
212 return E_POINTER;
213 if (IsEqualIID(riid, &IID_IUnknown) ||
214 IsEqualIID(riid, &IID_IClassFactory))
215 {
216 *ppobj = iface;
217 IClassFactory_AddRef(iface);
218 return S_OK;
219 }
220 *ppobj = NULL;
221 return E_NOINTERFACE;
222 }
223
224 static ULONG WINAPI MMCF_AddRef(LPCLASSFACTORY iface)
225 {
226 return 2;
227 }
228
229 static ULONG WINAPI MMCF_Release(LPCLASSFACTORY iface)
230 {
231 /* static class, won't be freed */
232 return 1;
233 }
234
235 static HRESULT WINAPI MMCF_CreateInstance(
236 LPCLASSFACTORY iface,
237 LPUNKNOWN pOuter,
238 REFIID riid,
239 LPVOID *ppobj)
240 {
241 IClassFactoryImpl *This = impl_from_IClassFactory(iface);
242 TRACE("(%p, %p, %s, %p)\n", This, pOuter, debugstr_guid(riid), ppobj);
243
244 if (pOuter)
245 return CLASS_E_NOAGGREGATION;
246
247 if (ppobj == NULL) {
248 WARN("invalid parameter\n");
249 return E_POINTER;
250 }
251 *ppobj = NULL;
252 return This->pfnCreateInstance(riid, ppobj);
253 }
254
255 static HRESULT WINAPI MMCF_LockServer(LPCLASSFACTORY iface, BOOL dolock)
256 {
257 IClassFactoryImpl *This = impl_from_IClassFactory(iface);
258 FIXME("(%p, %d) stub!\n", This, dolock);
259 return S_OK;
260 }
261
262 static const IClassFactoryVtbl MMCF_Vtbl = {
263 MMCF_QueryInterface,
264 MMCF_AddRef,
265 MMCF_Release,
266 MMCF_CreateInstance,
267 MMCF_LockServer
268 };
269
270 static IClassFactoryImpl MMDEVAPI_CF[] = {
271 { { &MMCF_Vtbl }, &CLSID_MMDeviceEnumerator, (FnCreateInstance)MMDevEnum_Create }
272 };
273
274 HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv)
275 {
276 static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
277 unsigned int i = 0;
278 TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv);
279
280 if(!InitOnceExecuteOnce(&init_once, init_driver, NULL, NULL)) {
281 ERR("Driver initialization failed\n");
282 return E_FAIL;
283 }
284
285 if (ppv == NULL) {
286 WARN("invalid parameter\n");
287 return E_INVALIDARG;
288 }
289
290 *ppv = NULL;
291
292 if (!IsEqualIID(riid, &IID_IClassFactory) &&
293 !IsEqualIID(riid, &IID_IUnknown)) {
294 WARN("no interface for %s\n", debugstr_guid(riid));
295 return E_NOINTERFACE;
296 }
297
298 for (i = 0; i < sizeof(MMDEVAPI_CF)/sizeof(MMDEVAPI_CF[0]); ++i)
299 {
300 if (IsEqualGUID(rclsid, MMDEVAPI_CF[i].rclsid)) {
301 IClassFactory_AddRef(&MMDEVAPI_CF[i].IClassFactory_iface);
302 *ppv = &MMDEVAPI_CF[i];
303 return S_OK;
304 }
305 }
306
307 WARN("(%s, %s, %p): no class found.\n", debugstr_guid(rclsid),
308 debugstr_guid(riid), ppv);
309 return CLASS_E_CLASSNOTAVAILABLE;
310 }
311
312 /***********************************************************************
313 * DllRegisterServer (MMDEVAPI.@)
314 */
315 HRESULT WINAPI DllRegisterServer(void)
316 {
317 return __wine_register_resources( instance );
318 }
319
320 /***********************************************************************
321 * DllUnregisterServer (MMDEVAPI.@)
322 */
323 HRESULT WINAPI DllUnregisterServer(void)
324 {
325 return __wine_unregister_resources( instance );
326 }