controlnode.cpp File Reference

#include "precomp.h"

Include dependency graph for controlnode.cpp:

Go to the source code of this file.

Classes
class	CControlNode

Functions
HRESULT WINAPI	CControlNode_fnConstructor (IBaseFilter *pFilter, ULONG NodeType, ULONG PinId, REFIID riid, LPVOID *ppv)

Variables
const GUID	IID_IKsPropertySet = {0x31efac30, 0x515c, 0x11d0, {0xa9,0xaa, 0x00,0xaa,0x00,0x61,0xbe,0x93}}

Function Documentation

CControlNode_fnConstructor()

HRESULT WINAPI CControlNode_fnConstructor	(	IBaseFilter *	pFilter,
		ULONG	NodeType,
		ULONG	PinId,
		REFIID	riid,
		LPVOID *	ppv
	)

Definition at line 92 of file controlnode.cpp.

{
    WCHAR Buffer[100];
    HRESULT hr;
    IPin * pPin = NULL;
    IKsPropertySet * pProperty;
 
    // store pin id
    swprintf(Buffer, L"%u", PinId);
 
    // try find target pin
    hr = pFilter->FindPin(Buffer, &pPin);
 
    if (FAILED(hr))
    {
#ifdef BDAPLGIN_TRACE
        swprintf(Buffer, L"CControlNode_fnConstructor failed find pin %lu with %lx\n", PinId, hr);
        OutputDebugStringW(Buffer);
#endif
        return hr;
    }
 
    // query for IKsPropertySet interface
    hr = pPin->QueryInterface(IID_IKsPropertySet, (void**)&pProperty);
    if (FAILED(hr))
        return hr;
 
#ifdef BDAPLGIN_TRACE
    swprintf(Buffer, L"CControlNode_fnConstructor get IID_IKsObject status %lx\n", hr);
    OutputDebugStringW(Buffer);
#endif
 
    // release IPin interface
    pPin->Release();
 
    // construct device control
    CControlNode * handler = new CControlNode(pProperty, NodeType, PinId);
 
#ifdef BDAPLGIN_TRACE
    OutputDebugStringW(L"CControlNode_fnConstructor\n");
#endif
 
    if (!handler)
        return E_OUTOFMEMORY;
 
    if (FAILED(handler->QueryInterface(riid, ppv)))
    {
        /* not supported */
        delete handler;
        return E_NOINTERFACE;
    }
 
    return NOERROR;
}

Referenced by CBDADeviceControl::GetControlNode().

Variable Documentation

IID_IKsPropertySet

const GUID IID_IKsPropertySet = {0x31efac30, 0x515c, 0x11d0, {0xa9,0xaa, 0x00,0xaa,0x00,0x61,0xbe,0x93}}

Definition at line 13 of file controlnode.cpp.

Referenced by CControlNode_fnConstructor(), dsenum_callback(), IDirectSoundBufferImpl_QueryInterface(), IKsPrivatePropertySetImpl_Create(), IKsPrivatePropertySetImpl_QueryInterface(), KSPropertySetImpl_fnQueryInterface(), NewKsPropertySet(), pin_matches(), PrimaryBufferImpl_QueryInterface(), propset_private_tests(), CInputPin::QueryInterface(), COutputPin::QueryInterface(), CKsProxy::QueryInterface(), test_primary_3d_with_listener(), test_query_interface(), and VfwPin_QueryInterface().