Paul Chitescu : qedit: Add pins enumerator implementation to SampleGrabber.
Alexandre Julliard
julliard at winehq.org
Mon Feb 15 10:06:11 CST 2010
Module: wine
Branch: master
Commit: 43fe5e35b861da79b973da41db479bf2140bad73
URL: http://source.winehq.org/git/wine.git/?a=commit;h=43fe5e35b861da79b973da41db479bf2140bad73
Author: Paul Chitescu <paulc at voip.null.ro>
Date: Fri Feb 12 21:11:40 2010 +0200
qedit: Add pins enumerator implementation to SampleGrabber.
---
dlls/qedit/samplegrabber.c | 162 +++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 160 insertions(+), 2 deletions(-)
diff --git a/dlls/qedit/samplegrabber.c b/dlls/qedit/samplegrabber.c
index eca259e..6b46a27 100644
--- a/dlls/qedit/samplegrabber.c
+++ b/dlls/qedit/samplegrabber.c
@@ -36,6 +36,160 @@ static WCHAR const vendor_name[] = { 'W', 'i', 'n', 'e', 0 };
static WCHAR const pin_in_name[] = { 'I', 'n', 0 };
static WCHAR const pin_out_name[] = { 'O', 'u', 't', 0 };
+IEnumPins *pinsenum_create(IBaseFilter *filter, IPin **pins, ULONG pinCount);
+
+/* Fixed pins enumerator, holds filter referenced */
+typedef struct _PE_Impl {
+ IEnumPins pe;
+ IBaseFilter *filter;
+ LONG refCount;
+ ULONG numPins;
+ ULONG index;
+ IPin *pins[0];
+} 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 **ppvObject)
+{
+ PE_Impl *This = (PE_Impl *)iface;
+ TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppvObject);
+
+ if (IsEqualIID(riid, &IID_IUnknown) ||
+ IsEqualIID(riid, &IID_IEnumPins)) {
+ Fixed_IEnumPins_AddRef(iface);
+ *ppvObject = &(This->pins);
+ return S_OK;
+ }
+ *ppvObject = NULL;
+ WARN("(%p, %s,%p): not found\n", This, debugstr_guid(riid), ppvObject);
+ 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,
+};
+
+IEnumPins *pinsenum_create(IBaseFilter *filter, IPin **pins, ULONG pinCount)
+{
+ ULONG len = sizeof(PE_Impl) + (pinCount * sizeof(IPin *));
+ PE_Impl *obj = CoTaskMemAlloc(len);
+ if (obj) {
+ ULONG i;
+ 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;
+}
+
+
/* Sample Grabber pin implementation */
typedef struct _SG_Pin {
const IPinVtbl* lpVtbl;
@@ -314,10 +468,14 @@ static HRESULT WINAPI
SampleGrabber_IBaseFilter_EnumPins(IBaseFilter *iface, IEnumPins **pins)
{
SG_Impl *This = impl_from_IBaseFilter(iface);
- FIXME("(%p)->(%p): stub\n", This, pins);
+ IPin *pin[2];
+ TRACE("(%p)->(%p)\n", This, pins);
if (!pins)
return E_POINTER;
- return E_OUTOFMEMORY;
+ pin[0] = (IPin*)&This->pin_in.lpVtbl;
+ pin[1] = (IPin*)&This->pin_out.lpVtbl;
+ *pins = pinsenum_create(iface, pin, 2);
+ return *pins ? S_OK : E_OUTOFMEMORY;
}
/* IBaseFilter */
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