enum_mediatypes.cpp File Reference

#include "precomp.h"

Include dependency graph for enum_mediatypes.cpp:

Go to the source code of this file.

Classes
class	CEnumMediaTypes

Functions
HRESULT WINAPI	CEnumMediaTypes_fnConstructor (IUnknown *pUnknown, ULONG MediaTypeCount, AM_MEDIA_TYPE *MediaTypes, REFIID riid, LPVOID *ppv)

Function Documentation

CEnumMediaTypes_fnConstructor()

HRESULT WINAPI CEnumMediaTypes_fnConstructor	(	IUnknown *	pUnknown,
		ULONG	MediaTypeCount,
		AM_MEDIA_TYPE *	MediaTypes,
		REFIID	riid,
		LPVOID *	ppv
	)

Definition at line 157 of file enum_mediatypes.cpp.

{
    CEnumMediaTypes * handler = new CEnumMediaTypes(MediaTypeCount, MediaTypes);
 
#ifdef MSDVBNP_TRACE
    WCHAR Buffer[MAX_PATH];
    LPOLESTR lpstr;
    StringFromCLSID(riid, &lpstr);
    swprintf(Buffer, L"CEnumMediaTypes_fnConstructor riid %s pUnknown %p\n", lpstr, pUnknown);
    OutputDebugStringW(Buffer);
#endif
 
    if (!handler)
    {
        CoTaskMemFree(MediaTypes);
        return E_OUTOFMEMORY;
    }
 
    if (FAILED(handler->QueryInterface(riid, ppv)))
    {
        /* not supported */
        delete handler;
        return E_NOINTERFACE;
    }
 
    return NOERROR;
}