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quartz: Make filtergraph aggregatable.

This commit is contained in:
Lei Zhang 2007-12-20 20:38:59 -08:00 committed by Alexandre Julliard
parent 5ddb13381e
commit 99a193ce7e
2 changed files with 93 additions and 8 deletions
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83
dlls/quartz/filtergraph.c
View File

@ -161,6 +161,7 @@ typedef struct _IFilterGraphImpl {
const IMediaEventSinkVtbl *IMediaEventSink_vtbl;
const IGraphConfigVtbl *IGraphConfig_vtbl;
const IMediaPositionVtbl *IMediaPosition_vtbl;
const IUnknownVtbl * IInner_vtbl;
/* IAMGraphStreams */
/* IAMStats */
/* IBasicVideo2 */
@ -194,16 +195,29 @@ typedef struct _IFilterGraphImpl {
CRITICAL_SECTION cs;
ITF_CACHE_ENTRY ItfCacheEntries[MAX_ITF_CACHE_ENTRIES];
int nItfCacheEntries;
IUnknown * pUnkOuter;
BOOL bUnkOuterValid;
BOOL bAggregatable;
} IFilterGraphImpl;
static HRESULT WINAPI Filtergraph_QueryInterface(IFilterGraphImpl *This,
REFIID riid, LPVOID * ppv);
static ULONG WINAPI Filtergraph_AddRef(IFilterGraphImpl *This);
static ULONG WINAPI Filtergraph_Release(IFilterGraphImpl *This);
static HRESULT Filtergraph_QueryInterface(IFilterGraphImpl *This,
static HRESULT WINAPI FilterGraphInner_QueryInterface(IUnknown * iface,
REFIID riid,
LPVOID *ppvObj) {
ICOM_THIS_MULTI(IFilterGraphImpl, IInner_vtbl, iface);
TRACE("(%p)->(%s (%p), %p)\n", This, debugstr_guid(riid), riid, ppvObj);
if (IsEqualGUID(&IID_IUnknown, riid) ||
IsEqualGUID(&IID_IFilterGraph, riid) ||
if (This->bAggregatable)
This->bUnkOuterValid = TRUE;
if (IsEqualGUID(&IID_IUnknown, riid)) {
*ppvObj = &(This->IInner_vtbl);
TRACE(" returning IUnknown interface (%p)\n", *ppvObj);
} else if (IsEqualGUID(&IID_IFilterGraph, riid) ||
IsEqualGUID(&IID_IFilterGraph2, riid) ||
IsEqualGUID(&IID_IGraphBuilder, riid)) {
*ppvObj = &(This->IFilterGraph2_vtbl);
@ -246,11 +260,12 @@ static HRESULT Filtergraph_QueryInterface(IFilterGraphImpl *This,
return E_NOINTERFACE;
}
InterlockedIncrement(&This->ref);
IUnknown_AddRef((IUnknown *)(*ppvObj));
return S_OK;
}
static ULONG Filtergraph_AddRef(IFilterGraphImpl *This) {
static ULONG WINAPI FilterGraphInner_AddRef(IUnknown * iface) {
ICOM_THIS_MULTI(IFilterGraphImpl, IInner_vtbl, iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(): new ref = %d\n", This, ref);
@ -258,7 +273,8 @@ static ULONG Filtergraph_AddRef(IFilterGraphImpl *This) {
return ref;
}
static ULONG Filtergraph_Release(IFilterGraphImpl *This) {
static ULONG WINAPI FilterGraphInner_Release(IUnknown * iface) {
ICOM_THIS_MULTI(IFilterGraphImpl, IInner_vtbl, iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(): new ref = %d\n", This, ref);
@ -4618,6 +4634,54 @@ static const IGraphConfigVtbl IGraphConfig_VTable =
GraphConfig_RemoveFilterEx
};
static const IUnknownVtbl IInner_VTable =
{
FilterGraphInner_QueryInterface,
FilterGraphInner_AddRef,
FilterGraphInner_Release
};
static HRESULT WINAPI Filtergraph_QueryInterface(IFilterGraphImpl *This,
REFIID riid,
LPVOID * ppv) {
if (This->bAggregatable)
This->bUnkOuterValid = TRUE;
if (This->pUnkOuter)
{
if (This->bAggregatable)
return IUnknown_QueryInterface(This->pUnkOuter, riid, ppv);
if (IsEqualIID(riid, &IID_IUnknown))
{
HRESULT hr;
IUnknown_AddRef((IUnknown *)&(This->IInner_vtbl));
hr = IUnknown_QueryInterface((IUnknown *)&(This->IInner_vtbl), riid, ppv);
IUnknown_Release((IUnknown *)&(This->IInner_vtbl));
This->bAggregatable = TRUE;
return hr;
}
*ppv = NULL;
return E_NOINTERFACE;
}
return IUnknown_QueryInterface((IUnknown *)&(This->IInner_vtbl), riid, ppv);
}
static ULONG WINAPI Filtergraph_AddRef(IFilterGraphImpl *This) {
if (This->pUnkOuter && This->bUnkOuterValid)
return IUnknown_AddRef(This->pUnkOuter);
return IUnknown_AddRef((IUnknown *)&(This->IInner_vtbl));
}
static ULONG WINAPI Filtergraph_Release(IFilterGraphImpl *This) {
if (This->pUnkOuter && This->bUnkOuterValid)
return IUnknown_Release(This->pUnkOuter);
return IUnknown_Release((IUnknown *)&(This->IInner_vtbl));
}
/* This is the only function that actually creates a FilterGraph class... */
HRESULT FilterGraph_create(IUnknown *pUnkOuter, LPVOID *ppObj)
{
@ -4626,10 +4690,13 @@ HRESULT FilterGraph_create(IUnknown *pUnkOuter, LPVOID *ppObj)
TRACE("(%p,%p)\n", pUnkOuter, ppObj);
if( pUnkOuter )
return CLASS_E_NOAGGREGATION;
*ppObj = NULL;
fimpl = CoTaskMemAlloc(sizeof(*fimpl));
fimpl->pUnkOuter = pUnkOuter;
fimpl->bUnkOuterValid = FALSE;
fimpl->bAggregatable = FALSE;
fimpl->IInner_vtbl = &IInner_VTable;
fimpl->IFilterGraph2_vtbl = &IFilterGraph2_VTable;
fimpl->IMediaControl_vtbl = &IMediaControl_VTable;
fimpl->IMediaSeeking_vtbl = &IMediaSeeking_VTable;

18
dlls/quartz/tests/misc.c
View File

@ -150,9 +150,27 @@ static void test_video_renderer_aggregations(void)
}
}
static void test_filter_graph_aggregations(void)
{
IID iids[] = {
IID_IFilterGraph2, IID_IMediaControl, IID_IGraphBuilder,
IID_IFilterGraph, IID_IMediaSeeking, IID_IBasicAudio, IID_IBasicVideo,
IID_IVideoWindow, IID_IMediaEventEx, IID_IMediaFilter,
IID_IMediaEventSink, IID_IGraphConfig, IID_IMediaPosition
};
int i;
for (i = 0; i < sizeof(iids) / sizeof(iids[0]); i++)
{
test_aggregation(CLSID_SystemClock, CLSID_FilterGraph,
IID_IReferenceClock, iids[i]);
}
}
START_TEST(misc)
{
CoInitialize(NULL);
test_video_renderer_aggregations();
test_filter_graph_aggregations();
}