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qedit: Use the generic IEnumPin implementation for SampleGrabber.

This commit is contained in:
Michael Stefaniuc 2014-02-20 21:30:48 +01:00 committed by Alexandre Julliard
parent 6f41e98b61
commit 59ed2131ac
1 changed files with 33 additions and 172 deletions
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205
dlls/qedit/samplegrabber.c
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@ -37,163 +37,8 @@ static const WCHAR vendor_name[] = { 'W', 'i', 'n', 'e', 0 };
static const WCHAR pin_in_name[] = { 'I', 'n', 0 };
static const WCHAR pin_out_name[] = { 'O', 'u', 't', 0 };
static IEnumPins *pinsenum_create(IBaseFilter *filter, IPin **pins, ULONG pinCount);
static IEnumMediaTypes *mediaenum_create(const AM_MEDIA_TYPE *mtype);
/* Fixed pins enumerator, holds filter referenced */
typedef struct _PE_Impl {
IEnumPins pe;
IBaseFilter *filter;
LONG refCount;
ULONG numPins;
ULONG index;
IPin *pins[1];
} PE_Impl;
/* IEnumPins interface implementation */
/* IUnknown */
static ULONG WINAPI
Fixed_IEnumPins_AddRef(IEnumPins *iface)
{
PE_Impl *This = (PE_Impl *)iface;
ULONG refCount = InterlockedIncrement(&This->refCount);
TRACE("(%p) new ref = %u\n", This, refCount);
return refCount;
}
/* IUnknown */
static ULONG WINAPI
Fixed_IEnumPins_Release(IEnumPins *iface)
{
PE_Impl *This = (PE_Impl *)iface;
ULONG refCount = InterlockedDecrement(&This->refCount);
TRACE("(%p) new ref = %u\n", This, refCount);
if (refCount == 0)
{
IBaseFilter_Release(This->filter);
CoTaskMemFree(This);
return 0;
}
return refCount;
}
/* IUnknown */
static HRESULT WINAPI Fixed_IEnumPins_QueryInterface(IEnumPins *iface, REFIID riid,
void **ret_iface)
{
TRACE("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ret_iface);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IEnumPins)) {
IEnumPins_AddRef(iface);
*ret_iface = iface;
return S_OK;
}
*ret_iface = NULL;
WARN("(%p, %s, %p): not found\n", iface, debugstr_guid(riid), ret_iface);
return E_NOINTERFACE;
}
/* IEnumPins */
static HRESULT WINAPI
Fixed_IEnumPins_Next(IEnumPins *iface, ULONG nPins, IPin **pins, ULONG *fetched)
{
PE_Impl *This = (PE_Impl *)iface;
ULONG count = 0;
TRACE("(%p)->(%u, %p, %p) index = %u\n", This, nPins, pins, fetched, This->index);
if (!nPins)
return E_INVALIDARG;
if (!pins || ((nPins != 1) && !fetched))
return E_POINTER;
while ((count < nPins) && (This->index < This->numPins)) {
IPin *pin = This->pins[This->index++];
IPin_AddRef(pin);
pins[count++] = pin;
}
if (fetched)
*fetched = count;
return (count == nPins) ? S_OK : S_FALSE;
}
/* IEnumPins */
static HRESULT WINAPI
Fixed_IEnumPins_Skip(IEnumPins *iface, ULONG nPins)
{
PE_Impl *This = (PE_Impl *)iface;
TRACE("(%p)->(%u) index = %u\n", This, nPins, This->index);
nPins += This->index;
if (nPins >= This->numPins) {
This->index = This->numPins;
return S_FALSE;
}
This->index = nPins;
return S_OK;
}
/* IEnumPins */
static HRESULT WINAPI
Fixed_IEnumPins_Reset(IEnumPins *iface)
{
PE_Impl *This = (PE_Impl *)iface;
TRACE("(%p)->() index = %u\n", This, This->index);
This->index = 0;
return S_OK;
}
/* IEnumPins */
static HRESULT WINAPI
Fixed_IEnumPins_Clone(IEnumPins *iface, IEnumPins **pins)
{
PE_Impl *This = (PE_Impl *)iface;
TRACE("(%p)->(%p) index = %u\n", This, pins, This->index);
if (!pins)
return E_POINTER;
*pins = pinsenum_create(This->filter, This->pins, This->numPins);
if (!*pins)
return E_OUTOFMEMORY;
((PE_Impl *)*pins)->index = This->index;
return S_OK;
}
/* Virtual tables and constructor */
static const IEnumPinsVtbl IEnumPins_VTable =
{
Fixed_IEnumPins_QueryInterface,
Fixed_IEnumPins_AddRef,
Fixed_IEnumPins_Release,
Fixed_IEnumPins_Next,
Fixed_IEnumPins_Skip,
Fixed_IEnumPins_Reset,
Fixed_IEnumPins_Clone,
};
static IEnumPins *pinsenum_create(IBaseFilter *filter, IPin **pins, ULONG pinCount)
{
PE_Impl *obj;
ULONG len = offsetof(PE_Impl, pins[pinCount]);
ULONG i;
obj = CoTaskMemAlloc(len);
if (!obj)
return NULL;
ZeroMemory(obj, len);
obj->pe.lpVtbl = &IEnumPins_VTable;
obj->refCount = 1;
obj->filter = filter;
obj->numPins = pinCount;
obj->index = 0;
for (i = 0; i < pinCount; i++)
obj->pins[i] = pins[i];
IBaseFilter_AddRef(filter);
return &obj->pe;
}
/* Single media type enumerator */
typedef struct _ME_Impl {
IEnumMediaTypes me;
@ -398,6 +243,11 @@ static inline SG_Impl *impl_from_IUnknown(IUnknown *iface)
return CONTAINING_RECORD(iface, SG_Impl, IUnknown_inner);
}
static inline SG_Impl *impl_from_BaseFilter(BaseFilter *iface)
{
return CONTAINING_RECORD(iface, SG_Impl, filter);
}
static inline SG_Impl *impl_from_IBaseFilter(IBaseFilter *iface)
{
return CONTAINING_RECORD(iface, SG_Impl, filter.IBaseFilter_iface);
@ -496,6 +346,32 @@ static const IUnknownVtbl samplegrabber_vtbl =
SampleGrabber_Release,
};
static IPin *WINAPI SampleGrabber_GetPin(BaseFilter *iface, int pos)
{
SG_Impl *This = impl_from_BaseFilter(iface);
IPin *pin;
if (pos == 0)
pin = &This->pin_in.IPin_iface;
else if (pos == 1)
pin = &This->pin_out.IPin_iface;
else
return NULL;
IPin_AddRef(pin);
return pin;
}
static LONG WINAPI SampleGrabber_GetPinCount(BaseFilter *iface)
{
return 2;
}
static const BaseFilterFuncTable basefunc_vtbl = {
SampleGrabber_GetPin,
SampleGrabber_GetPinCount
};
/* Helper that buffers data and/or calls installed sample callbacks */
static void SampleGrabber_callback(SG_Impl *This, IMediaSample *sample)
{
@ -612,21 +488,6 @@ SampleGrabber_IBaseFilter_Run(IBaseFilter *iface, REFERENCE_TIME tStart)
return S_OK;
}
/* IBaseFilter */
static HRESULT WINAPI
SampleGrabber_IBaseFilter_EnumPins(IBaseFilter *iface, IEnumPins **pins)
{
SG_Impl *This = impl_from_IBaseFilter(iface);
IPin *pin[2];
TRACE("(%p)->(%p)\n", This, pins);
if (!pins)
return E_POINTER;
pin[0] = &This->pin_in.IPin_iface;
pin[1] = &This->pin_out.IPin_iface;
*pins = pinsenum_create(iface, pin, 2);
return *pins ? S_OK : E_OUTOFMEMORY;
}
/* IBaseFilter */
static HRESULT WINAPI
SampleGrabber_IBaseFilter_FindPin(IBaseFilter *iface, LPCWSTR id, IPin **pin)
@ -1316,7 +1177,7 @@ static const IBaseFilterVtbl IBaseFilter_VTable =
BaseFilterImpl_GetState,
BaseFilterImpl_SetSyncSource,
BaseFilterImpl_GetSyncSource,
SampleGrabber_IBaseFilter_EnumPins,
BaseFilterImpl_EnumPins,
SampleGrabber_IBaseFilter_FindPin,
BaseFilterImpl_QueryFilterInfo,
SampleGrabber_IBaseFilter_JoinFilterGraph,
@ -1410,7 +1271,7 @@ HRESULT SampleGrabber_create(IUnknown *pUnkOuter, LPVOID *ppv)
ZeroMemory(obj, sizeof(SG_Impl));
BaseFilter_Init(&obj->filter, &IBaseFilter_VTable, &CLSID_SampleGrabber,
(DWORD_PTR)(__FILE__ ": SG_Impl.csFilter"), NULL);
(DWORD_PTR)(__FILE__ ": SG_Impl.csFilter"), &basefunc_vtbl);
obj->IUnknown_inner.lpVtbl = &samplegrabber_vtbl;
obj->ISampleGrabber_iface.lpVtbl = &ISampleGrabber_VTable;
obj->IMemInputPin_iface.lpVtbl = &IMemInputPin_VTable;