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mmdevapi: Use an iface instead of a vtbl pointer in AEVImpl.

This commit is contained in:
Michael Stefaniuc 2010-12-08 22:59:41 +01:00 committed by Alexandre Julliard
parent 31aec42560
commit 8e77be63f4
1 changed files with 10 additions and 5 deletions
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15
dlls/mmdevapi/audiovolume.c
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@ -54,10 +54,15 @@ WINE_DEFAULT_DEBUG_CHANNEL(mmdevapi);
static const IAudioEndpointVolumeExVtbl AEVImpl_Vtbl; static const IAudioEndpointVolumeExVtbl AEVImpl_Vtbl;
typedef struct AEVImpl { typedef struct AEVImpl {
const IAudioEndpointVolumeExVtbl *lpVtbl; IAudioEndpointVolumeEx IAudioEndpointVolumeEx_iface;
LONG ref; LONG ref;
} AEVImpl; } AEVImpl;
static inline AEVImpl *impl_from_IAudioEndpointVolumeEx(IAudioEndpointVolumeEx *iface)
{
return CONTAINING_RECORD(iface, AEVImpl, IAudioEndpointVolumeEx_iface);
}
HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolume **ppv) HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolume **ppv)
{ {
AEVImpl *This; AEVImpl *This;
@ -65,7 +70,7 @@ HRESULT AudioEndpointVolume_Create(MMDevice *parent, IAudioEndpointVolume **ppv)
*ppv = (IAudioEndpointVolume*)This; *ppv = (IAudioEndpointVolume*)This;
if (!This) if (!This)
return E_OUTOFMEMORY; return E_OUTOFMEMORY;
This->lpVtbl = &AEVImpl_Vtbl; This->IAudioEndpointVolumeEx_iface.lpVtbl = &AEVImpl_Vtbl;
This->ref = 1; This->ref = 1;
return S_OK; return S_OK;
} }
@ -77,7 +82,7 @@ static void AudioEndpointVolume_Destroy(AEVImpl *This)
static HRESULT WINAPI AEV_QueryInterface(IAudioEndpointVolumeEx *iface, REFIID riid, void **ppv) static HRESULT WINAPI AEV_QueryInterface(IAudioEndpointVolumeEx *iface, REFIID riid, void **ppv)
{ {
AEVImpl *This = (AEVImpl*)iface; AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppv); TRACE("(%p)->(%s,%p)\n", This, debugstr_guid(riid), ppv);
if (!ppv) if (!ppv)
return E_POINTER; return E_POINTER;
@ -95,7 +100,7 @@ static HRESULT WINAPI AEV_QueryInterface(IAudioEndpointVolumeEx *iface, REFIID r
static ULONG WINAPI AEV_AddRef(IAudioEndpointVolumeEx *iface) static ULONG WINAPI AEV_AddRef(IAudioEndpointVolumeEx *iface)
{ {
AEVImpl *This = (AEVImpl*)iface; AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
ULONG ref = InterlockedIncrement(&This->ref); ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) new ref %u\n", This, ref); TRACE("(%p) new ref %u\n", This, ref);
return ref; return ref;
@ -103,7 +108,7 @@ static ULONG WINAPI AEV_AddRef(IAudioEndpointVolumeEx *iface)
static ULONG WINAPI AEV_Release(IAudioEndpointVolumeEx *iface) static ULONG WINAPI AEV_Release(IAudioEndpointVolumeEx *iface)
{ {
AEVImpl *This = (AEVImpl*)iface; AEVImpl *This = impl_from_IAudioEndpointVolumeEx(iface);
ULONG ref = InterlockedDecrement(&This->ref); ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) new ref %u\n", This, ref); TRACE("(%p) new ref %u\n", This, ref);
if (!ref) if (!ref)