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mmdevapi: Use ifaces instead of vtbl pointers in MMDevice.

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This commit is contained in:
Michael Stefaniuc 2011-01-17 10:41:30 +01:00 committed by Alexandre Julliard
parent f0b20ad4b3
commit 00d1915902
2 changed files with 30 additions and 25 deletions
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51
dlls/mmdevapi/devenum.c
View file

@ -171,8 +171,8 @@ static void MMDevice_Create(MMDevice **dev, WCHAR *name, GUID *id, EDataFlow flo
return;
}
lstrcpyW(cur->alname, name);
cur->lpVtbl = &MMDeviceVtbl;
cur->lpEndpointVtbl = &MMEndpointVtbl;
cur->IMMDevice_iface.lpVtbl = &MMDeviceVtbl;
cur->IMMEndpoint_iface.lpVtbl = &MMEndpointVtbl;
cur->ref = 0;
InitializeCriticalSection(&cur->crst);
cur->crst.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": MMDevice.crst");
@ -246,9 +246,14 @@ static void MMDevice_Destroy(MMDevice *This)
HeapFree(GetProcessHeap(), 0, This);
}
static inline MMDevice *impl_from_IMMDevice(IMMDevice *iface)
{
return CONTAINING_RECORD(iface, MMDevice, IMMDevice_iface);
}
static HRESULT WINAPI MMDevice_QueryInterface(IMMDevice *iface, REFIID riid, void **ppv)
{
MMDevice *This = (MMDevice *)iface;
MMDevice *This = impl_from_IMMDevice(iface);
TRACE("(%p)->(%s,%p)\n", iface, debugstr_guid(riid), ppv);
if (!ppv)
@ -258,7 +263,7 @@ static HRESULT WINAPI MMDevice_QueryInterface(IMMDevice *iface, REFIID riid, voi
|| IsEqualIID(riid, &IID_IMMDevice))
*ppv = This;
else if (IsEqualIID(riid, &IID_IMMEndpoint))
*ppv = &This->lpEndpointVtbl;
*ppv = &This->IMMEndpoint_iface;
if (*ppv)
{
IUnknown_AddRef((IUnknown*)*ppv);
@ -270,7 +275,7 @@ static HRESULT WINAPI MMDevice_QueryInterface(IMMDevice *iface, REFIID riid, voi
static ULONG WINAPI MMDevice_AddRef(IMMDevice *iface)
{
MMDevice *This = (MMDevice *)iface;
MMDevice *This = impl_from_IMMDevice(iface);
LONG ref;
ref = InterlockedIncrement(&This->ref);
@ -280,7 +285,7 @@ static ULONG WINAPI MMDevice_AddRef(IMMDevice *iface)
static ULONG WINAPI MMDevice_Release(IMMDevice *iface)
{
MMDevice *This = (MMDevice *)iface;
MMDevice *This = impl_from_IMMDevice(iface);
LONG ref;
ref = InterlockedDecrement(&This->ref);
@ -293,7 +298,7 @@ static HRESULT WINAPI MMDevice_Activate(IMMDevice *iface, REFIID riid, DWORD cls
HRESULT hr = E_NOINTERFACE;
#ifdef HAVE_OPENAL
MMDevice *This = (MMDevice *)iface;
MMDevice *This = impl_from_IMMDevice(iface);
TRACE("(%p)->(%p,%x,%p,%p)\n", iface, riid, clsctx, params, ppv);
@ -385,7 +390,7 @@ static HRESULT WINAPI MMDevice_Activate(IMMDevice *iface, REFIID riid, DWORD cls
static HRESULT WINAPI MMDevice_OpenPropertyStore(IMMDevice *iface, DWORD access, IPropertyStore **ppv)
{
MMDevice *This = (MMDevice *)iface;
MMDevice *This = impl_from_IMMDevice(iface);
TRACE("(%p)->(%x,%p)\n", This, access, ppv);
if (!ppv)
@ -395,7 +400,7 @@ static HRESULT WINAPI MMDevice_OpenPropertyStore(IMMDevice *iface, DWORD access,
static HRESULT WINAPI MMDevice_GetId(IMMDevice *iface, WCHAR **itemid)
{
MMDevice *This = (MMDevice *)iface;
MMDevice *This = impl_from_IMMDevice(iface);
WCHAR *str;
GUID *id = &This->devguid;
static const WCHAR formatW[] = { '{','0','.','0','.','0','.','0','0','0','0','0','0','0','0','}','.',
@ -418,7 +423,7 @@ static HRESULT WINAPI MMDevice_GetId(IMMDevice *iface, WCHAR **itemid)
static HRESULT WINAPI MMDevice_GetState(IMMDevice *iface, DWORD *state)
{
MMDevice *This = (MMDevice *)iface;
MMDevice *This = impl_from_IMMDevice(iface);
TRACE("(%p)->(%p)\n", iface, state);
if (!state)
@ -438,32 +443,32 @@ static const IMMDeviceVtbl MMDeviceVtbl =
MMDevice_GetState
};
static MMDevice *get_this_from_endpoint(IMMEndpoint *iface)
static inline MMDevice *impl_from_IMMEndpoint(IMMEndpoint *iface)
{
return (MMDevice*)((char*)iface - offsetof(MMDevice,lpEndpointVtbl));
return CONTAINING_RECORD(iface, MMDevice, IMMEndpoint_iface);
}
static HRESULT WINAPI MMEndpoint_QueryInterface(IMMEndpoint *iface, REFIID riid, void **ppv)
{
MMDevice *This = get_this_from_endpoint(iface);
return IMMDevice_QueryInterface((IMMDevice*)This, riid, ppv);
MMDevice *This = impl_from_IMMEndpoint(iface);
return IMMDevice_QueryInterface(&This->IMMDevice_iface, riid, ppv);
}
static ULONG WINAPI MMEndpoint_AddRef(IMMEndpoint *iface)
{
MMDevice *This = get_this_from_endpoint(iface);
return IMMDevice_AddRef((IMMDevice*)This);
MMDevice *This = impl_from_IMMEndpoint(iface);
return IMMDevice_AddRef(&This->IMMDevice_iface);
}
static ULONG WINAPI MMEndpoint_Release(IMMEndpoint *iface)
{
MMDevice *This = get_this_from_endpoint(iface);
return IMMDevice_Release((IMMDevice*)This);
MMDevice *This = impl_from_IMMEndpoint(iface);
return IMMDevice_Release(&This->IMMDevice_iface);
}
static HRESULT WINAPI MMEndpoint_GetDataFlow(IMMEndpoint *iface, EDataFlow *flow)
{
MMDevice *This = get_this_from_endpoint(iface);
MMDevice *This = impl_from_IMMEndpoint(iface);
if (!flow)
return E_POINTER;
*flow = This->flow;
@ -570,7 +575,7 @@ static HRESULT WINAPI MMDevCol_Item(IMMDeviceCollection *iface, UINT n, IMMDevic
&& (cur->state & This->state)
&& i++ == n)
{
*dev = (IMMDevice *)cur;
*dev = &cur->IMMDevice_iface;
IMMDevice_AddRef(*dev);
return S_OK;
}
@ -1059,9 +1064,9 @@ static HRESULT WINAPI MMDevEnum_GetDefaultAudioEndpoint(IMMDeviceEnumerator *ifa
*device = NULL;
if (flow == eRender)
*device = (IMMDevice*)MMDevice_def_play;
*device = &MMDevice_def_play->IMMDevice_iface;
else if (flow == eCapture)
*device = (IMMDevice*)MMDevice_def_rec;
*device = &MMDevice_def_rec->IMMDevice_iface;
else
{
WARN("Unknown flow %u\n", flow);
@ -1084,7 +1089,7 @@ static HRESULT WINAPI MMDevEnum_GetDevice(IMMDeviceEnumerator *iface, const WCHA
for (i = 0; i < MMDevice_count; ++i)
{
WCHAR *str;
dev = (IMMDevice*)MMDevice_head[i];
dev = &MMDevice_head[i]->IMMDevice_iface;
IMMDevice_GetId(dev, &str);
if (str && !lstrcmpW(str, name))

4
dlls/mmdevapi/mmdevapi.h
View file

@ -27,8 +27,8 @@ extern HRESULT MMDevice_GetPropValue(const GUID *devguid, DWORD flow, REFPROPERT
extern HRESULT MMDevice_SetPropValue(const GUID *devguid, DWORD flow, REFPROPERTYKEY key, REFPROPVARIANT pv);
typedef struct MMDevice {
const IMMDeviceVtbl *lpVtbl;
const IMMEndpointVtbl *lpEndpointVtbl;
IMMDevice IMMDevice_iface;
IMMEndpoint IMMEndpoint_iface;
LONG ref;
CRITICAL_SECTION crst;