Sweden-Number/dlls/quartz/igrver.c

110 lines
2.0 KiB
C

/*
* Implementation of IGraphVersion for FilterGraph.
*
* FIXME - stub.
*
* hidenori@a2.ctktv.ne.jp
*/
#include "config.h"
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winuser.h"
#include "winerror.h"
#include "wine/obj_base.h"
#include "wine/obj_oleaut.h"
#include "strmif.h"
#include "control.h"
#include "uuids.h"
#include "debugtools.h"
DEFAULT_DEBUG_CHANNEL(quartz);
#include "quartz_private.h"
#include "fgraph.h"
static HRESULT WINAPI
IGraphVersion_fnQueryInterface(IGraphVersion* iface,REFIID riid,void** ppobj)
{
CFilterGraph_THIS(iface,graphversion);
TRACE("(%p)->()\n",This);
return IUnknown_QueryInterface(This->unk.punkControl,riid,ppobj);
}
static ULONG WINAPI
IGraphVersion_fnAddRef(IGraphVersion* iface)
{
CFilterGraph_THIS(iface,graphversion);
TRACE("(%p)->()\n",This);
return IUnknown_AddRef(This->unk.punkControl);
}
static ULONG WINAPI
IGraphVersion_fnRelease(IGraphVersion* iface)
{
CFilterGraph_THIS(iface,graphversion);
TRACE("(%p)->()\n",This);
return IUnknown_Release(This->unk.punkControl);
}
static HRESULT WINAPI
IGraphVersion_fnQueryVersion(IGraphVersion* iface,LONG* plVersion)
{
CFilterGraph_THIS(iface,graphversion);
TRACE("(%p)->(%p)\n",This,plVersion);
if ( plVersion == NULL )
return E_POINTER;
EnterCriticalSection( &This->m_csGraphVersion );
*plVersion = This->m_lGraphVersion;
LeaveCriticalSection( &This->m_csGraphVersion );
return NOERROR;
}
static ICOM_VTABLE(IGraphVersion) igraphversion =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
/* IUnknown fields */
IGraphVersion_fnQueryInterface,
IGraphVersion_fnAddRef,
IGraphVersion_fnRelease,
/* IGraphVersion fields */
IGraphVersion_fnQueryVersion,
};
HRESULT CFilterGraph_InitIGraphVersion( CFilterGraph* pfg )
{
TRACE("(%p)\n",pfg);
ICOM_VTBL(&pfg->graphversion) = &igraphversion;
InitializeCriticalSection( &pfg->m_csGraphVersion );
pfg->m_lGraphVersion = 1;
return NOERROR;
}
void CFilterGraph_UninitIGraphVersion( CFilterGraph* pfg )
{
TRACE("(%p)\n",pfg);
DeleteCriticalSection( &pfg->m_csGraphVersion );
}