Module: wine Branch: master Commit: d4e9b26cbb757f0d12d4585acf5277e2dd2d2347 URL: http://source.winehq.org/git/wine.git/?a=commit;h=d4e9b26cbb757f0d12d4585acf...
Author: Andrew Eikum aeikum@codeweavers.com Date: Fri Dec 14 11:41:56 2012 -0600
mmdevapi: Send notifications to clients when the user-selected default device changes.
---
dlls/mmdevapi/devenum.c | 159 +++++++++++++++++++++++++++++++++++++++++++++-- 1 files changed, 153 insertions(+), 6 deletions(-)
diff --git a/dlls/mmdevapi/devenum.c b/dlls/mmdevapi/devenum.c index f9b9172..21a3530 100644 --- a/dlls/mmdevapi/devenum.c +++ b/dlls/mmdevapi/devenum.c @@ -59,6 +59,11 @@ static const WCHAR reg_devicestate[] = { 'D','e','v','i','c','e','S','t','a','t','e',0 }; static const WCHAR reg_properties[] = { 'P','r','o','p','e','r','t','i','e','s',0 }; +static const WCHAR slashW[] = {'\',0}; +static const WCHAR reg_out_nameW[] = {'D','e','f','a','u','l','t','O','u','t','p','u','t',0}; +static const WCHAR reg_vout_nameW[] = {'D','e','f','a','u','l','t','V','o','i','c','e','O','u','t','p','u','t',0}; +static const WCHAR reg_in_nameW[] = {'D','e','f','a','u','l','t','I','n','p','u','t',0}; +static const WCHAR reg_vin_nameW[] = {'D','e','f','a','u','l','t','V','o','i','c','e','I','n','p','u','t',0};
static HKEY key_render; static HKEY key_capture; @@ -916,12 +921,6 @@ static HRESULT WINAPI MMDevEnum_GetDefaultAudioEndpoint(IMMDeviceEnumerator *ifa HKEY key; HRESULT hr;
- static const WCHAR slashW[] = {'\',0}; - static const WCHAR reg_out_nameW[] = {'D','e','f','a','u','l','t','O','u','t','p','u','t',0}; - static const WCHAR reg_vout_nameW[] = {'D','e','f','a','u','l','t','V','o','i','c','e','O','u','t','p','u','t',0}; - static const WCHAR reg_in_nameW[] = {'D','e','f','a','u','l','t','I','n','p','u','t',0}; - static const WCHAR reg_vin_nameW[] = {'D','e','f','a','u','l','t','V','o','i','c','e','I','n','p','u','t',0}; - TRACE("(%p)->(%u,%u,%p)\n", This, flow, role, device);
if (!device) @@ -1042,6 +1041,7 @@ struct NotificationClientWrapper { };
static struct list g_notif_clients = LIST_INIT(g_notif_clients); +static HANDLE g_notif_thread;
static CRITICAL_SECTION g_notif_lock; static CRITICAL_SECTION_DEBUG g_notif_lock_debug = @@ -1052,6 +1052,147 @@ static CRITICAL_SECTION_DEBUG g_notif_lock_debug = }; static CRITICAL_SECTION g_notif_lock = { &g_notif_lock_debug, -1, 0, 0, 0, 0 };
+static void notify_clients(EDataFlow flow, ERole role, const WCHAR *id) +{ + struct NotificationClientWrapper *wrapper; + LIST_FOR_EACH_ENTRY(wrapper, &g_notif_clients, + struct NotificationClientWrapper, entry) + IMMNotificationClient_OnDefaultDeviceChanged(wrapper->client, flow, + role, id); + + /* Windows 7 treats changes to eConsole as changes to eMultimedia */ + if(role == eConsole) + notify_clients(flow, eMultimedia, id); +} + +static int notify_if_changed(EDataFlow flow, ERole role, HKEY key, + const WCHAR *val_name, WCHAR *old_val, IMMDevice *def_dev) +{ + WCHAR new_val[64], *id; + DWORD size; + HRESULT hr; + + size = sizeof(new_val); + if(RegQueryValueExW(key, val_name, 0, NULL, + (BYTE*)new_val, &size) != ERROR_SUCCESS){ + if(old_val[0] != 0){ + /* set by user -> system default */ + if(def_dev){ + hr = IMMDevice_GetId(def_dev, &id); + if(FAILED(hr)){ + ERR("GetId failed: %08x\n", hr); + return 0; + } + }else + id = NULL; + + notify_clients(flow, role, id); + old_val[0] = 0; + CoTaskMemFree(id); + + return 1; + } + + /* system default -> system default, noop */ + return 0; + } + + if(!lstrcmpW(old_val, new_val)){ + /* set by user -> same value */ + return 0; + } + + if(new_val[0] != 0){ + /* set by user -> different value */ + notify_clients(flow, role, new_val); + memcpy(old_val, new_val, sizeof(new_val)); + return 1; + } + + /* set by user -> system default */ + if(def_dev){ + hr = IMMDevice_GetId(def_dev, &id); + if(FAILED(hr)){ + ERR("GetId failed: %08x\n", hr); + return 0; + } + }else + id = NULL; + + notify_clients(flow, role, id); + old_val[0] = 0; + CoTaskMemFree(id); + + return 1; +} + +static DWORD WINAPI notif_thread_proc(void *user) +{ + HKEY key; + WCHAR reg_key[256]; + WCHAR out_name[64], vout_name[64], in_name[64], vin_name[64]; + DWORD size; + + lstrcpyW(reg_key, drv_keyW); + lstrcatW(reg_key, slashW); + lstrcatW(reg_key, drvs.module_name); + + if(RegCreateKeyExW(HKEY_CURRENT_USER, reg_key, 0, NULL, 0, + MAXIMUM_ALLOWED, NULL, &key, NULL) != ERROR_SUCCESS){ + ERR("RegCreateKeyEx failed: %u\n", GetLastError()); + return 1; + } + + size = sizeof(out_name); + if(RegQueryValueExW(key, reg_out_nameW, 0, NULL, + (BYTE*)out_name, &size) != ERROR_SUCCESS) + out_name[0] = 0; + + size = sizeof(vout_name); + if(RegQueryValueExW(key, reg_vout_nameW, 0, NULL, + (BYTE*)vout_name, &size) != ERROR_SUCCESS) + vout_name[0] = 0; + + size = sizeof(in_name); + if(RegQueryValueExW(key, reg_in_nameW, 0, NULL, + (BYTE*)in_name, &size) != ERROR_SUCCESS) + in_name[0] = 0; + + size = sizeof(vin_name); + if(RegQueryValueExW(key, reg_vin_nameW, 0, NULL, + (BYTE*)vin_name, &size) != ERROR_SUCCESS) + vin_name[0] = 0; + + while(1){ + if(RegNotifyChangeKeyValue(key, FALSE, REG_NOTIFY_CHANGE_LAST_SET, + NULL, FALSE) != ERROR_SUCCESS){ + ERR("RegNotifyChangeKeyValue failed: %u\n", GetLastError()); + RegCloseKey(key); + g_notif_thread = NULL; + return 1; + } + + EnterCriticalSection(&g_notif_lock); + + notify_if_changed(eRender, eConsole, key, reg_out_nameW, + out_name, &MMDevice_def_play->IMMDevice_iface); + notify_if_changed(eRender, eCommunications, key, reg_vout_nameW, + vout_name, &MMDevice_def_play->IMMDevice_iface); + notify_if_changed(eCapture, eConsole, key, reg_in_nameW, + in_name, &MMDevice_def_rec->IMMDevice_iface); + notify_if_changed(eCapture, eCommunications, key, reg_vin_nameW, + vin_name, &MMDevice_def_rec->IMMDevice_iface); + + LeaveCriticalSection(&g_notif_lock); + } + + RegCloseKey(key); + + g_notif_thread = NULL; + + return 0; +} + static HRESULT WINAPI MMDevEnum_RegisterEndpointNotificationCallback(IMMDeviceEnumerator *iface, IMMNotificationClient *client) { MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface); @@ -1072,6 +1213,12 @@ static HRESULT WINAPI MMDevEnum_RegisterEndpointNotificationCallback(IMMDeviceEn
list_add_tail(&g_notif_clients, &wrapper->entry);
+ if(!g_notif_thread){ + g_notif_thread = CreateThread(NULL, 0, notif_thread_proc, NULL, 0, NULL); + if(!g_notif_thread) + ERR("CreateThread failed: %u\n", GetLastError()); + } + LeaveCriticalSection(&g_notif_lock);
return S_OK;