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mmdevapi: Make MMDevEnumerator a static variable. 

Signed-off-by: Rémi Bernon <rbernon@codeweavers.com>
Signed-off-by: Andrew Eikum <aeikum@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Rémi Bernon 2021-06-03 18:15:29 +02:00 committed by Alexandre Julliard
parent 3b052877e4
commit 4caea555af
1 changed files with 11 additions and 17 deletions
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28
dlls/mmdevapi/devenum.c
View File

@ -59,7 +59,6 @@ typedef struct MMDevEnumImpl
LONG ref;
} MMDevEnumImpl;
static MMDevEnumImpl *MMDevEnumerator;
static MMDevice **MMDevice_head;
static MMDevice *MMDevice_def_rec, *MMDevice_def_play;
static DWORD MMDevice_count;
@ -69,6 +68,7 @@ static const IMMDeviceVtbl MMDeviceVtbl;
static const IPropertyStoreVtbl MMDevPropVtbl;
static const IMMEndpointVtbl MMEndpointVtbl;
static MMDevEnumImpl enumerator;
static IMMDevice info_device;
typedef struct MMDevColImpl
@ -860,23 +860,15 @@ static const IMMDeviceCollectionVtbl MMDevColVtbl =
HRESULT MMDevEnum_Create(REFIID riid, void **ppv)
{
MMDevEnumImpl *This = MMDevEnumerator;
if (!This)
if (enumerator.ref == 0)
{
This = HeapAlloc(GetProcessHeap(), 0, sizeof(*This));
*ppv = NULL;
if (!This)
return E_OUTOFMEMORY;
This->ref = 1;
This->IMMDeviceEnumerator_iface.lpVtbl = &MMDevEnumVtbl;
MMDevEnumerator = This;
enumerator.ref = 1;
load_devices_from_reg();
load_driver_devices(eRender);
load_driver_devices(eCapture);
}
return IMMDeviceEnumerator_QueryInterface(&This->IMMDeviceEnumerator_iface, riid, ppv);
return IMMDeviceEnumerator_QueryInterface(&enumerator.IMMDeviceEnumerator_iface, riid, ppv);
}
void MMDevEnum_Free(void)
@ -886,8 +878,6 @@ void MMDevEnum_Free(void)
RegCloseKey(key_render);
RegCloseKey(key_capture);
key_render = key_capture = NULL;
HeapFree(GetProcessHeap(), 0, MMDevEnumerator);
MMDevEnumerator = NULL;
}
static HRESULT WINAPI MMDevEnum_QueryInterface(IMMDeviceEnumerator *iface, REFIID riid, void **ppv)
@ -920,8 +910,6 @@ static ULONG WINAPI MMDevEnum_Release(IMMDeviceEnumerator *iface)
{
MMDevEnumImpl *This = impl_from_IMMDeviceEnumerator(iface);
LONG ref = InterlockedDecrement(&This->ref);
if (!ref)
MMDevEnum_Free();
TRACE("Refcount now %i\n", ref);
return ref;
}
@ -1287,6 +1275,12 @@ static const IMMDeviceEnumeratorVtbl MMDevEnumVtbl =
MMDevEnum_UnregisterEndpointNotificationCallback
};
static MMDevEnumImpl enumerator =
{
{&MMDevEnumVtbl},
0,
};
static HRESULT MMDevPropStore_Create(MMDevice *parent, DWORD access, IPropertyStore **ppv)
{
MMDevPropStore *This;