Module: wine Branch: master Commit: 6d391df4aaefaef1e13ff2dd3571f96fdff6405d URL: http://source.winehq.org/git/wine.git/?a=commit;h=6d391df4aaefaef1e13ff2dd35...
Author: Andrew Eikum aeikum@codeweavers.com Date: Mon Jan 16 10:44:38 2012 -0600
dsound: Don't launch a separate thread for the mmdevapi enumerator.
---
dlls/dsound/dsound_main.c | 133 +++++++++++++++------------------------------ 1 files changed, 43 insertions(+), 90 deletions(-)
diff --git a/dlls/dsound/dsound_main.c b/dlls/dsound/dsound_main.c index cc9f44c..c0d2b33 100644 --- a/dlls/dsound/dsound_main.c +++ b/dlls/dsound/dsound_main.c @@ -88,17 +88,6 @@ CRITICAL_SECTION DSOUND_capturers_lock = { &DSOUND_capturers_lock_debug, -1, 0, GUID DSOUND_renderer_guids[MAXWAVEDRIVERS]; GUID DSOUND_capture_guids[MAXWAVEDRIVERS];
-static IMMDeviceEnumerator *g_devenum; -static CRITICAL_SECTION g_devenum_lock; -static CRITICAL_SECTION_DEBUG g_devenum_lock_debug = -{ - 0, 0, &g_devenum_lock, - { &g_devenum_lock_debug.ProcessLocksList, &g_devenum_lock_debug.ProcessLocksList }, - 0, 0, { (DWORD_PTR)(__FILE__ ": g_devenum_lock") } -}; -static CRITICAL_SECTION g_devenum_lock = { &g_devenum_lock_debug, -1, 0, 0, 0, 0 }; -static HANDLE g_devenum_thread; - WCHAR wine_vxd_drv[] = { 'w','i','n','e','m','m','.','v','x','d', 0 };
/* All default settings, you most likely don't want to touch these, see wiki on UsefulRegistryKeys */ @@ -190,83 +179,29 @@ static const char * get_device_id(LPCGUID pGuid) return debugstr_guid(pGuid); }
-/* The MMDeviceEnumerator object has to be created & destroyed - * from the same thread. */ -static DWORD WINAPI devenum_thread_proc(void *arg) +static HRESULT get_mmdevenum(IMMDeviceEnumerator **devenum) { - HANDLE evt = arg; - HRESULT hr; - MSG msg; + HRESULT hr, init_hr;
- hr = CoInitializeEx(NULL, COINIT_APARTMENTTHREADED); - if(FAILED(hr)){ - ERR("CoInitializeEx failed: %08x\n", hr); - return 1; - } + init_hr = CoInitialize(NULL);
hr = CoCreateInstance(&CLSID_MMDeviceEnumerator, NULL, - CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)&g_devenum); + CLSCTX_INPROC_SERVER, &IID_IMMDeviceEnumerator, (void**)devenum); if(FAILED(hr)){ - ERR("CoCreateInstance failed: %08x\n", hr); CoUninitialize(); - return 1; - } - - SetEvent(evt); - - PeekMessageW(&msg, NULL, WM_USER, WM_USER, PM_NOREMOVE); - - while(GetMessageW(&msg, NULL, 0, 0)){ - if(msg.hwnd) - DispatchMessageW(&msg); - else - ERR("Unknown message: %04x\n", msg.message); + *devenum = NULL; + ERR("CoCreateInstance failed: %08x\n", hr); + return hr; }
- IMMDeviceEnumerator_Release(g_devenum); - g_devenum = NULL; - CoUninitialize(); - - return 0; + return init_hr; }
-static IMMDeviceEnumerator *get_mmdevenum(void) +static void release_mmdevenum(IMMDeviceEnumerator *devenum, HRESULT init_hr) { - HANDLE events[2]; - DWORD wait; - - EnterCriticalSection(&g_devenum_lock); - - if(g_devenum){ - LeaveCriticalSection(&g_devenum_lock); - return g_devenum; - } - - events[0] = CreateEventW(NULL, FALSE, FALSE, NULL); - - g_devenum_thread = CreateThread(NULL, 0, devenum_thread_proc, - events[0], 0, NULL); - if(!g_devenum_thread){ - LeaveCriticalSection(&g_devenum_lock); - CloseHandle(events[0]); - return NULL; - } - - events[1] = g_devenum_thread; - wait = WaitForMultipleObjects(2, events, FALSE, INFINITE); - CloseHandle(events[0]); - if(wait != WAIT_OBJECT_0){ - if(wait == 1 + WAIT_OBJECT_0){ - CloseHandle(g_devenum_thread); - g_devenum_thread = NULL; - } - LeaveCriticalSection(&g_devenum_lock); - return NULL; - } - - LeaveCriticalSection(&g_devenum_lock); - - return g_devenum; + IMMDeviceEnumerator_Release(devenum); + if(SUCCEEDED(init_hr)) + CoUninitialize(); }
static HRESULT get_mmdevice_guid(IMMDevice *device, IPropertyStore *ps, @@ -326,16 +261,16 @@ HRESULT WINAPI GetDeviceID(LPCGUID pGuidSrc, LPGUID pGuidDest) IMMDeviceEnumerator *devenum; EDataFlow flow = (EDataFlow)-1; ERole role = (ERole)-1; - HRESULT hr; + HRESULT hr, init_hr;
TRACE("(%s,%p)\n", get_device_id(pGuidSrc),pGuidDest);
if(!pGuidSrc || !pGuidDest) return DSERR_INVALIDPARAM;
- devenum = get_mmdevenum(); + init_hr = get_mmdevenum(&devenum); if(!devenum) - return DSERR_GENERIC; + return init_hr;
if(IsEqualGUID(&DSDEVID_DefaultPlayback, pGuidSrc)){ role = eMultimedia; @@ -358,15 +293,20 @@ HRESULT WINAPI GetDeviceID(LPCGUID pGuidSrc, LPGUID pGuidDest) flow, role, &device); if(FAILED(hr)){ WARN("GetDefaultAudioEndpoint failed: %08x\n", hr); + release_mmdevenum(devenum, init_hr); return DSERR_NODRIVER; }
hr = get_mmdevice_guid(device, NULL, pGuidDest); IMMDevice_Release(device);
+ release_mmdevenum(devenum, init_hr); + return (hr == S_OK) ? DS_OK : hr; }
+ release_mmdevenum(devenum, init_hr); + *pGuidDest = *pGuidSrc;
return DS_OK; @@ -424,22 +364,24 @@ HRESULT get_mmdevice(EDataFlow flow, const GUID *tgt, IMMDevice **device) IMMDeviceEnumerator *devenum; IMMDeviceCollection *coll; UINT count, i; - HRESULT hr; + HRESULT hr, init_hr;
- devenum = get_mmdevenum(); + init_hr = get_mmdevenum(&devenum); if(!devenum) - return DSERR_GENERIC; + return init_hr;
hr = IMMDeviceEnumerator_EnumAudioEndpoints(devenum, flow, DEVICE_STATE_ACTIVE, &coll); if(FAILED(hr)){ WARN("EnumAudioEndpoints failed: %08x\n", hr); + release_mmdevenum(devenum, init_hr); return hr; }
hr = IMMDeviceCollection_GetCount(coll, &count); if(FAILED(hr)){ IMMDeviceCollection_Release(coll); + release_mmdevenum(devenum, init_hr); WARN("GetCount failed: %08x\n", hr); return hr; } @@ -457,14 +399,20 @@ HRESULT get_mmdevice(EDataFlow flow, const GUID *tgt, IMMDevice **device) continue; }
- if(IsEqualGUID(&guid, tgt)) + if(IsEqualGUID(&guid, tgt)){ + IMMDeviceCollection_Release(coll); + release_mmdevenum(devenum, init_hr); return DS_OK; + }
IMMDevice_Release(*device); }
WARN("No device with GUID %s found!\n", wine_dbgstr_guid(tgt));
+ IMMDeviceCollection_Release(coll); + release_mmdevenum(devenum, init_hr); + return DSERR_INVALIDPARAM; }
@@ -519,19 +467,20 @@ HRESULT enumerate_mmdevices(EDataFlow flow, GUID *guids, IMMDevice *defdev = NULL; UINT count, i, n; BOOL keep_going; - HRESULT hr; + HRESULT hr, init_hr;
static const WCHAR primary_desc[] = {'P','r','i','m','a','r','y',' ', 'S','o','u','n','d',' ','D','r','i','v','e','r',0}; static const WCHAR empty_drv[] = {0};
- devenum = get_mmdevenum(); + init_hr = get_mmdevenum(&devenum); if(!devenum) - return DS_OK; + return init_hr;
- hr = IMMDeviceEnumerator_EnumAudioEndpoints(g_devenum, flow, + hr = IMMDeviceEnumerator_EnumAudioEndpoints(devenum, flow, DEVICE_STATE_ACTIVE, &coll); if(FAILED(hr)){ + release_mmdevenum(devenum, init_hr); WARN("EnumAudioEndpoints failed: %08x\n", hr); return DS_OK; } @@ -539,12 +488,15 @@ HRESULT enumerate_mmdevices(EDataFlow flow, GUID *guids, hr = IMMDeviceCollection_GetCount(coll, &count); if(FAILED(hr)){ IMMDeviceCollection_Release(coll); + release_mmdevenum(devenum, init_hr); WARN("GetCount failed: %08x\n", hr); return DS_OK; }
- if(count == 0) + if(count == 0){ + release_mmdevenum(devenum, init_hr); return DS_OK; + }
TRACE("Calling back with NULL (%s)\n", wine_dbgstr_w(primary_desc)); keep_going = cb(NULL, primary_desc, empty_drv, user); @@ -583,6 +535,8 @@ HRESULT enumerate_mmdevices(EDataFlow flow, GUID *guids, IMMDevice_Release(defdev); IMMDeviceCollection_Release(coll);
+ release_mmdevenum(devenum, init_hr); + return (keep_going == TRUE) ? S_OK : S_FALSE; }
@@ -862,7 +816,6 @@ BOOL WINAPI DllMain(HINSTANCE hInstDLL, DWORD fdwReason, LPVOID lpvReserved) TRACE("DLL_PROCESS_DETACH\n"); DeleteCriticalSection(&DSOUND_renderers_lock); DeleteCriticalSection(&DSOUND_capturers_lock); - DeleteCriticalSection(&g_devenum_lock); break; default: TRACE("UNKNOWN REASON\n");
-
Alexandre Julliard