/* * Copyright 2009 Maarten Lankhorst * Copyright 2011 Andrew Eikum for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */ #include #define COBJMACROS #include "windef.h" #include "winbase.h" #include "wingdi.h" #include "ole2.h" #include "olectl.h" #include "rpcproxy.h" #include "propsys.h" #include "propkeydef.h" #include "mmdeviceapi.h" #include "mmsystem.h" #include "dsound.h" #include "audioclient.h" #include "endpointvolume.h" #include "audiopolicy.h" #include "devpkey.h" #include "winreg.h" #include "spatialaudioclient.h" #include "mmdevapi.h" #include "wine/debug.h" WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi); DriverFuncs drvs; const WCHAR drv_keyW[] = L"Software\\Wine\\Drivers"; static const char *get_priority_string(int prio) { switch(prio){ case Priority_Unavailable: return "Unavailable"; case Priority_Low: return "Low"; case Priority_Neutral: return "Neutral"; case Priority_Preferred: return "Preferred"; } return "Invalid"; } static BOOL load_driver(const WCHAR *name, DriverFuncs *driver) { WCHAR driver_module[264]; lstrcpyW(driver_module, L"wine"); lstrcatW(driver_module, name); lstrcatW(driver_module, L".drv"); TRACE("Attempting to load %s\n", wine_dbgstr_w(driver_module)); driver->module = LoadLibraryW(driver_module); if(!driver->module){ TRACE("Unable to load %s: %u\n", wine_dbgstr_w(driver_module), GetLastError()); return FALSE; } #define LDFC(n) do { driver->p##n = (void*)GetProcAddress(driver->module, #n);\ if(!driver->p##n) { FreeLibrary(driver->module); return FALSE; } } while(0) LDFC(GetPriority); LDFC(GetEndpointIDs); LDFC(GetAudioEndpoint); LDFC(GetAudioSessionManager); #undef LDFC /* optional - do not fail if not found */ driver->pGetPropValue = (void*)GetProcAddress(driver->module, "GetPropValue"); driver->priority = driver->pGetPriority(); lstrcpyW(driver->module_name, driver_module); TRACE("Successfully loaded %s with priority %s\n", wine_dbgstr_w(driver_module), get_priority_string(driver->priority)); return TRUE; } static BOOL WINAPI init_driver(INIT_ONCE *once, void *param, void **context) { static WCHAR default_list[] = L"pulse,alsa,oss,coreaudio,android"; DriverFuncs driver; HKEY key; WCHAR reg_list[256], *p, *next, *driver_list = default_list; if(RegOpenKeyW(HKEY_CURRENT_USER, drv_keyW, &key) == ERROR_SUCCESS){ DWORD size = sizeof(reg_list); if(RegQueryValueExW(key, L"Audio", 0, NULL, (BYTE*)reg_list, &size) == ERROR_SUCCESS){ if(reg_list[0] == '\0'){ TRACE("User explicitly chose no driver\n"); RegCloseKey(key); return TRUE; } driver_list = reg_list; } RegCloseKey(key); } TRACE("Loading driver list %s\n", wine_dbgstr_w(driver_list)); for(next = p = driver_list; next; p = next + 1){ next = wcschr(p, ','); if(next) *next = '\0'; driver.priority = Priority_Unavailable; if(load_driver(p, &driver)){ if(driver.priority == Priority_Unavailable) FreeLibrary(driver.module); else if(!drvs.module || driver.priority > drvs.priority){ TRACE("Selecting driver %s with priority %s\n", wine_dbgstr_w(p), get_priority_string(driver.priority)); if(drvs.module) FreeLibrary(drvs.module); drvs = driver; }else FreeLibrary(driver.module); }else TRACE("Failed to load driver %s\n", wine_dbgstr_w(p)); if(next) *next = ','; } if (drvs.module != 0){ load_devices_from_reg(); load_driver_devices(eRender); load_driver_devices(eCapture); } return drvs.module != 0; } BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) { TRACE("(0x%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved); switch (fdwReason) { case DLL_PROCESS_ATTACH: DisableThreadLibraryCalls(hinstDLL); break; case DLL_PROCESS_DETACH: if(lpvReserved) break; MMDevEnum_Free(); break; } return TRUE; } typedef HRESULT (*FnCreateInstance)(REFIID riid, LPVOID *ppobj); typedef struct { IClassFactory IClassFactory_iface; REFCLSID rclsid; FnCreateInstance pfnCreateInstance; } IClassFactoryImpl; static inline IClassFactoryImpl *impl_from_IClassFactory(IClassFactory *iface) { return CONTAINING_RECORD(iface, IClassFactoryImpl, IClassFactory_iface); } static HRESULT WINAPI MMCF_QueryInterface(IClassFactory *iface, REFIID riid, void **ppobj) { IClassFactoryImpl *This = impl_from_IClassFactory(iface); TRACE("(%p, %s, %p)\n", This, debugstr_guid(riid), ppobj); if (ppobj == NULL) return E_POINTER; if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IClassFactory)) { *ppobj = iface; IClassFactory_AddRef(iface); return S_OK; } *ppobj = NULL; return E_NOINTERFACE; } static ULONG WINAPI MMCF_AddRef(LPCLASSFACTORY iface) { return 2; } static ULONG WINAPI MMCF_Release(LPCLASSFACTORY iface) { /* static class, won't be freed */ return 1; } static HRESULT WINAPI MMCF_CreateInstance( LPCLASSFACTORY iface, LPUNKNOWN pOuter, REFIID riid, LPVOID *ppobj) { IClassFactoryImpl *This = impl_from_IClassFactory(iface); TRACE("(%p, %p, %s, %p)\n", This, pOuter, debugstr_guid(riid), ppobj); if (pOuter) return CLASS_E_NOAGGREGATION; if (ppobj == NULL) { WARN("invalid parameter\n"); return E_POINTER; } *ppobj = NULL; return This->pfnCreateInstance(riid, ppobj); } static HRESULT WINAPI MMCF_LockServer(LPCLASSFACTORY iface, BOOL dolock) { IClassFactoryImpl *This = impl_from_IClassFactory(iface); FIXME("(%p, %d) stub!\n", This, dolock); return S_OK; } static const IClassFactoryVtbl MMCF_Vtbl = { MMCF_QueryInterface, MMCF_AddRef, MMCF_Release, MMCF_CreateInstance, MMCF_LockServer }; static IClassFactoryImpl MMDEVAPI_CF[] = { { { &MMCF_Vtbl }, &CLSID_MMDeviceEnumerator, (FnCreateInstance)MMDevEnum_Create } }; HRESULT WINAPI DllGetClassObject(REFCLSID rclsid, REFIID riid, LPVOID *ppv) { static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT; unsigned int i = 0; TRACE("(%s, %s, %p)\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv); if(!InitOnceExecuteOnce(&init_once, init_driver, NULL, NULL)) { ERR("Driver initialization failed\n"); return E_FAIL; } if (ppv == NULL) { WARN("invalid parameter\n"); return E_INVALIDARG; } *ppv = NULL; if (!IsEqualIID(riid, &IID_IClassFactory) && !IsEqualIID(riid, &IID_IUnknown)) { WARN("no interface for %s\n", debugstr_guid(riid)); return E_NOINTERFACE; } for (i = 0; i < ARRAY_SIZE(MMDEVAPI_CF); ++i) { if (IsEqualGUID(rclsid, MMDEVAPI_CF[i].rclsid)) { IClassFactory_AddRef(&MMDEVAPI_CF[i].IClassFactory_iface); *ppv = &MMDEVAPI_CF[i]; return S_OK; } } WARN("(%s, %s, %p): no class found.\n", debugstr_guid(rclsid), debugstr_guid(riid), ppv); return CLASS_E_CLASSNOTAVAILABLE; } struct activate_async_op { IActivateAudioInterfaceAsyncOperation IActivateAudioInterfaceAsyncOperation_iface; LONG ref; IActivateAudioInterfaceCompletionHandler *callback; HRESULT result_hr; IUnknown *result_iface; }; static struct activate_async_op *impl_from_IActivateAudioInterfaceAsyncOperation(IActivateAudioInterfaceAsyncOperation *iface) { return CONTAINING_RECORD(iface, struct activate_async_op, IActivateAudioInterfaceAsyncOperation_iface); } static HRESULT WINAPI activate_async_op_QueryInterface(IActivateAudioInterfaceAsyncOperation *iface, REFIID riid, void **ppv) { struct activate_async_op *This = impl_from_IActivateAudioInterfaceAsyncOperation(iface); TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(riid), ppv); if (!ppv) return E_POINTER; if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IActivateAudioInterfaceAsyncOperation)) { *ppv = &This->IActivateAudioInterfaceAsyncOperation_iface; } else { *ppv = NULL; return E_NOINTERFACE; } IUnknown_AddRef((IUnknown*)*ppv); return S_OK; } static ULONG WINAPI activate_async_op_AddRef(IActivateAudioInterfaceAsyncOperation *iface) { struct activate_async_op *This = impl_from_IActivateAudioInterfaceAsyncOperation(iface); LONG ref = InterlockedIncrement(&This->ref); TRACE("(%p) refcount now %i\n", This, ref); return ref; } static ULONG WINAPI activate_async_op_Release(IActivateAudioInterfaceAsyncOperation *iface) { struct activate_async_op *This = impl_from_IActivateAudioInterfaceAsyncOperation(iface); LONG ref = InterlockedDecrement(&This->ref); TRACE("(%p) refcount now %i\n", This, ref); if (!ref) { if(This->result_iface) IUnknown_Release(This->result_iface); IActivateAudioInterfaceCompletionHandler_Release(This->callback); HeapFree(GetProcessHeap(), 0, This); } return ref; } static HRESULT WINAPI activate_async_op_GetActivateResult(IActivateAudioInterfaceAsyncOperation *iface, HRESULT *result_hr, IUnknown **result_iface) { struct activate_async_op *This = impl_from_IActivateAudioInterfaceAsyncOperation(iface); TRACE("(%p)->(%p, %p)\n", This, result_hr, result_iface); *result_hr = This->result_hr; if(This->result_hr == S_OK){ *result_iface = This->result_iface; IUnknown_AddRef(*result_iface); } return S_OK; } static IActivateAudioInterfaceAsyncOperationVtbl IActivateAudioInterfaceAsyncOperation_vtbl = { activate_async_op_QueryInterface, activate_async_op_AddRef, activate_async_op_Release, activate_async_op_GetActivateResult, }; static DWORD WINAPI activate_async_threadproc(void *user) { struct activate_async_op *op = user; IActivateAudioInterfaceCompletionHandler_ActivateCompleted(op->callback, &op->IActivateAudioInterfaceAsyncOperation_iface); IActivateAudioInterfaceAsyncOperation_Release(&op->IActivateAudioInterfaceAsyncOperation_iface); return 0; } static HRESULT get_mmdevice_by_activatepath(const WCHAR *path, IMMDevice **mmdev) { IMMDeviceEnumerator *devenum; HRESULT hr; static const WCHAR DEVINTERFACE_AUDIO_RENDER_WSTR[] = L"{E6327CAD-DCEC-4949-AE8A-991E976A79D2}"; static const WCHAR DEVINTERFACE_AUDIO_CAPTURE_WSTR[] = L"{2EEF81BE-33FA-4800-9670-1CD474972C3F}"; static const WCHAR MMDEV_PATH_PREFIX[] = L"\\\\?\\SWD#MMDEVAPI#"; hr = MMDevEnum_Create(&IID_IMMDeviceEnumerator, (void**)&devenum); if (FAILED(hr)) { WARN("Failed to create MMDeviceEnumerator: %08x\n", hr); return hr; } if (!lstrcmpiW(path, DEVINTERFACE_AUDIO_RENDER_WSTR)){ hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, eRender, eMultimedia, mmdev); } else if (!lstrcmpiW(path, DEVINTERFACE_AUDIO_CAPTURE_WSTR)){ hr = IMMDeviceEnumerator_GetDefaultAudioEndpoint(devenum, eCapture, eMultimedia, mmdev); } else if (!memcmp(path, MMDEV_PATH_PREFIX, sizeof(MMDEV_PATH_PREFIX) - sizeof(WCHAR))) { WCHAR device_id[56]; /* == strlen("{0.0.1.00000000}.{fd47d9cc-4218-4135-9ce2-0c195c87405b}") + 1 */ lstrcpynW(device_id, path + (ARRAY_SIZE(MMDEV_PATH_PREFIX) - 1), ARRAY_SIZE(device_id)); hr = IMMDeviceEnumerator_GetDevice(devenum, device_id, mmdev); } else { FIXME("Unrecognized device id format: %s\n", debugstr_w(path)); hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND); } if (FAILED(hr)) { WARN("Failed to get requested device (%s): %08x\n", debugstr_w(path), hr); *mmdev = NULL; hr = HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND); } IMMDeviceEnumerator_Release(devenum); return hr; } /*********************************************************************** * ActivateAudioInterfaceAsync (MMDEVAPI.17) */ HRESULT WINAPI ActivateAudioInterfaceAsync(const WCHAR *path, REFIID riid, PROPVARIANT *params, IActivateAudioInterfaceCompletionHandler *done_handler, IActivateAudioInterfaceAsyncOperation **op_out) { struct activate_async_op *op; HANDLE ht; IMMDevice *mmdev; TRACE("(%s, %s, %p, %p, %p)\n", debugstr_w(path), debugstr_guid(riid), params, done_handler, op_out); op = HeapAlloc(GetProcessHeap(), 0, sizeof(*op)); if (!op) return E_OUTOFMEMORY; op->ref = 2; /* returned ref and threadproc ref */ op->IActivateAudioInterfaceAsyncOperation_iface.lpVtbl = &IActivateAudioInterfaceAsyncOperation_vtbl; op->callback = done_handler; IActivateAudioInterfaceCompletionHandler_AddRef(done_handler); op->result_hr = get_mmdevice_by_activatepath(path, &mmdev); if (SUCCEEDED(op->result_hr)) { op->result_hr = IMMDevice_Activate(mmdev, riid, CLSCTX_INPROC_SERVER, params, (void**)&op->result_iface); IMMDevice_Release(mmdev); }else op->result_iface = NULL; ht = CreateThread(NULL, 0, &activate_async_threadproc, op, 0, NULL); CloseHandle(ht); *op_out = &op->IActivateAudioInterfaceAsyncOperation_iface; return S_OK; }