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qcap: Add better findpin stub for CaptureGraphBuilder.

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ICaptureGraphBuilder::RenderStream needs to enumerate pins, and to
prevent duplication I implemented a bit of findpin first.
This commit is contained in:
Maarten Lankhorst 2008-03-11 16:24:54 -07:00 committed by Alexandre Julliard
parent 9617b32618
commit 7e32b11ab6
1 changed files with 85 additions and 4 deletions
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89
dlls/qcap/capturegraph.c
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@ -34,10 +34,10 @@
#include "evcode.h"
#include "strmif.h"
#include "control.h"
#include "vfwmsgs.h"
/*
*#include "amvideo.h"
*#include "mmreg.h"
*#include "vfwmsgs.h"
*#include "dshow.h"
*#include "ddraw.h"
*/
@ -326,6 +326,27 @@ fnCaptureGraphBuilder2_CopyCaptureFile(ICaptureGraphBuilder2 * iface,
return E_NOTIMPL;
}
static BOOL pin_matches(IPin *pin, PIN_DIRECTION direction, const GUID *cat, const GUID *type, BOOL unconnected)
{
IPin *partner;
PIN_DIRECTION pindir;
IPin_QueryDirection(pin, &pindir);
if (pindir != direction)
return FALSE;
if (unconnected && IPin_ConnectedTo(pin, &partner) == S_OK)
{
IPin_Release(partner);
return FALSE;
}
if (cat || type)
FIXME("Ignoring category/type\n");
return TRUE;
}
static HRESULT WINAPI
fnCaptureGraphBuilder2_FindPin(ICaptureGraphBuilder2 * iface,
IUnknown *pSource,
@ -333,16 +354,76 @@ fnCaptureGraphBuilder2_FindPin(ICaptureGraphBuilder2 * iface,
const GUID *pCategory,
const GUID *pType,
BOOL fUnconnected,
int num,
INT num,
IPin **ppPin)
{
HRESULT hr;
IEnumPins *enumpins = NULL;
IPin *pin;
CaptureGraphImpl *This = impl_from_ICaptureGraphBuilder2(iface);
FIXME("(%p/%p)->(%p, %x, %s, %s, %d, %i, %p) Stub!\n", This, iface,
TRACE("(%p/%p)->(%p, %x, %s, %s, %d, %i, %p)\n", This, iface,
pSource, pindir, debugstr_guid(pCategory), debugstr_guid(pType),
fUnconnected, num, ppPin);
return E_NOTIMPL;
pin = NULL;
hr = IUnknown_QueryInterface(pSource, &IID_IPin, (void**)&pin);
if (hr == E_NOINTERFACE)
{
IBaseFilter *filter = NULL;
int numcurrent = 0;
hr = IUnknown_QueryInterface(pSource, &IID_IBaseFilter, (void**)&filter);
if (hr == E_NOINTERFACE)
{
WARN("Input not filter or pin?!\n");
return E_FAIL;
}
hr = IBaseFilter_EnumPins(filter, &enumpins);
if (FAILED(hr))
{
WARN("Could not enumerate\n");
return hr;
}
IEnumPins_Reset(enumpins);
while (1)
{
hr = IEnumPins_Next(enumpins, 1, &pin, NULL);
if (hr == VFW_E_ENUM_OUT_OF_SYNC)
{
numcurrent = 0;
IEnumPins_Reset(enumpins);
pin = NULL;
continue;
}
if (hr != S_OK)
break;
if (pin_matches(pin, pindir, pCategory, pType, fUnconnected) && numcurrent++ == num)
break;
IPin_Release(pin);
pin = NULL;
}
IEnumPins_Release(enumpins);
if (hr != S_OK)
{
WARN("Could not find pin # %d\n", numcurrent);
return E_FAIL;
}
}
else if (!pin_matches(pin, pindir, pCategory, pType, fUnconnected))
{
IPin_Release(pin);
return E_FAIL;
}
*ppPin = pin;
return S_OK;
}
static const ICaptureGraphBuilder2Vtbl builder2_Vtbl =