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qedit: COM cleanup for IEnumMediaTypes of SampleGrabber.

This commit is contained in:
Michael Stefaniuc 2015-08-07 23:25:06 +02:00 committed by Alexandre Julliard
parent 793ab7d457
commit 2d3edce0f8
1 changed files with 44 additions and 44 deletions
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88
dlls/qedit/samplegrabber.c
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@ -41,7 +41,7 @@ static IEnumMediaTypes *mediaenum_create(const AM_MEDIA_TYPE *mtype);
/* Single media type enumerator */
typedef struct _ME_Impl {
IEnumMediaTypes me;
IEnumMediaTypes IEnumMediaTypes_iface;
LONG refCount;
BOOL past;
AM_MEDIA_TYPE mtype;
@ -50,22 +50,42 @@ typedef struct _ME_Impl {
/* IEnumMediaTypes interface implementation */
/* IUnknown */
static ULONG WINAPI
Single_IEnumMediaTypes_AddRef(IEnumMediaTypes *iface)
static inline ME_Impl *impl_from_IEnumMediaTypes(IEnumMediaTypes *iface)
{
ME_Impl *This = (ME_Impl *)iface;
return CONTAINING_RECORD(iface, ME_Impl, IEnumMediaTypes_iface);
}
static HRESULT WINAPI Single_IEnumMediaTypes_QueryInterface(IEnumMediaTypes *iface, REFIID riid,
void **ret_iface)
{
ME_Impl *This = impl_from_IEnumMediaTypes(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ret_iface);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IEnumMediaTypes)) {
*ret_iface = iface;
IEnumMediaTypes_AddRef(iface);
return S_OK;
}
*ret_iface = NULL;
WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ret_iface);
return E_NOINTERFACE;
}
static ULONG WINAPI Single_IEnumMediaTypes_AddRef(IEnumMediaTypes *iface)
{
ME_Impl *This = impl_from_IEnumMediaTypes(iface);
ULONG refCount = InterlockedIncrement(&This->refCount);
TRACE("(%p) new ref = %u\n", This, refCount);
return refCount;
}
/* IUnknown */
static ULONG WINAPI
Single_IEnumMediaTypes_Release(IEnumMediaTypes *iface)
static ULONG WINAPI Single_IEnumMediaTypes_Release(IEnumMediaTypes *iface)
{
ME_Impl *This = (ME_Impl *)iface;
ME_Impl *This = impl_from_IEnumMediaTypes(iface);
ULONG refCount = InterlockedDecrement(&This->refCount);
TRACE("(%p) new ref = %u\n", This, refCount);
if (refCount == 0)
{
@ -77,30 +97,13 @@ Single_IEnumMediaTypes_Release(IEnumMediaTypes *iface)
return refCount;
}
/* IUnknown */
static HRESULT WINAPI
Single_IEnumMediaTypes_QueryInterface(IEnumMediaTypes *iface, REFIID riid, void **ppvObject)
{
ME_Impl *This = (ME_Impl *)iface;
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IEnumMediaTypes)) {
Single_IEnumMediaTypes_AddRef(iface);
*ppvObject = &(This->me);
return S_OK;
}
*ppvObject = NULL;
WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ppvObject);
return E_NOINTERFACE;
}
/* IEnumMediaTypes */
static HRESULT WINAPI
Single_IEnumMediaTypes_Next(IEnumMediaTypes *iface, ULONG nTypes, AM_MEDIA_TYPE **types, ULONG *fetched)
static HRESULT WINAPI Single_IEnumMediaTypes_Next(IEnumMediaTypes *iface, ULONG nTypes,
AM_MEDIA_TYPE **types, ULONG *fetched)
{
ME_Impl *This = (ME_Impl *)iface;
ME_Impl *This = impl_from_IEnumMediaTypes(iface);
ULONG count = 0;
TRACE("(%p)->(%u, %p, %p)\n", This, nTypes, types, fetched);
if (!nTypes)
return E_INVALIDARG;
@ -122,32 +125,29 @@ Single_IEnumMediaTypes_Next(IEnumMediaTypes *iface, ULONG nTypes, AM_MEDIA_TYPE
return (count == nTypes) ? S_OK : S_FALSE;
}
/* IEnumMediaTypes */
static HRESULT WINAPI
Single_IEnumMediaTypes_Skip(IEnumMediaTypes *iface, ULONG nTypes)
static HRESULT WINAPI Single_IEnumMediaTypes_Skip(IEnumMediaTypes *iface, ULONG nTypes)
{
ME_Impl *This = (ME_Impl *)iface;
ME_Impl *This = impl_from_IEnumMediaTypes(iface);
TRACE("(%p)->(%u)\n", This, nTypes);
if (nTypes)
This->past = TRUE;
return This->past ? S_FALSE : S_OK;
}
/* IEnumMediaTypes */
static HRESULT WINAPI
Single_IEnumMediaTypes_Reset(IEnumMediaTypes *iface)
static HRESULT WINAPI Single_IEnumMediaTypes_Reset(IEnumMediaTypes *iface)
{
ME_Impl *This = (ME_Impl *)iface;
ME_Impl *This = impl_from_IEnumMediaTypes(iface);
TRACE("(%p)->()\n", This);
This->past = FALSE;
return S_OK;
}
/* IEnumMediaTypes */
static HRESULT WINAPI
Single_IEnumMediaTypes_Clone(IEnumMediaTypes *iface, IEnumMediaTypes **me)
static HRESULT WINAPI Single_IEnumMediaTypes_Clone(IEnumMediaTypes *iface, IEnumMediaTypes **me)
{
ME_Impl *This = (ME_Impl *)iface;
ME_Impl *This = impl_from_IEnumMediaTypes(iface);
TRACE("(%p)->(%p)\n", This, me);
if (!me)
return E_POINTER;
@ -177,7 +177,7 @@ static IEnumMediaTypes *mediaenum_create(const AM_MEDIA_TYPE *mtype)
ME_Impl *obj = CoTaskMemAlloc(sizeof(ME_Impl));
if (obj) {
ZeroMemory(obj, sizeof(ME_Impl));
obj->me.lpVtbl = &IEnumMediaTypes_VTable;
obj->IEnumMediaTypes_iface.lpVtbl = &IEnumMediaTypes_VTable;
obj->refCount = 1;
obj->past = FALSE;
if (mtype) {
@ -193,7 +193,7 @@ static IEnumMediaTypes *mediaenum_create(const AM_MEDIA_TYPE *mtype)
else
obj->mtype.majortype = GUID_NULL;
}
return &obj->me;
return &obj->IEnumMediaTypes_iface;
}