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quartz: Implement seeking on the null renderer.

This commit is contained in:
Maarten Lankhorst 2008-04-02 11:57:58 -07:00 committed by Alexandre Julliard
parent 9d6239bdac
commit 9c0ea9eaa8
1 changed files with 62 additions and 0 deletions
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62
dlls/quartz/nullrenderer.c
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@ -65,6 +65,7 @@ typedef struct NullRendererImpl
IUnknown * pUnkOuter;
BOOL bUnkOuterValid;
BOOL bAggregatable;
MediaSeekingImpl mediaSeeking;
} NullRendererImpl;
static const IMemInputPinVtbl MemInputPin_Vtbl =
@ -145,6 +146,62 @@ static HRESULT NullRenderer_QueryAccept(LPVOID iface, const AM_MEDIA_TYPE * pmt)
return S_OK;
}
static inline NullRendererImpl *impl_from_IMediaSeeking( IMediaSeeking *iface )
{
return (NullRendererImpl *)((char*)iface - FIELD_OFFSET(NullRendererImpl, mediaSeeking.lpVtbl));
}
static HRESULT WINAPI NullRendererImpl_Seeking_QueryInterface(IMediaSeeking * iface, REFIID riid, LPVOID * ppv)
{
NullRendererImpl *This = impl_from_IMediaSeeking(iface);
return IUnknown_QueryInterface((IUnknown *)This, riid, ppv);
}
static ULONG WINAPI NullRendererImpl_Seeking_AddRef(IMediaSeeking * iface)
{
NullRendererImpl *This = impl_from_IMediaSeeking(iface);
return IUnknown_AddRef((IUnknown *)This);
}
static ULONG WINAPI NullRendererImpl_Seeking_Release(IMediaSeeking * iface)
{
NullRendererImpl *This = impl_from_IMediaSeeking(iface);
return IUnknown_Release((IUnknown *)This);
}
static const IMediaSeekingVtbl TransformFilter_Seeking_Vtbl =
{
NullRendererImpl_Seeking_QueryInterface,
NullRendererImpl_Seeking_AddRef,
NullRendererImpl_Seeking_Release,
MediaSeekingImpl_GetCapabilities,
MediaSeekingImpl_CheckCapabilities,
MediaSeekingImpl_IsFormatSupported,
MediaSeekingImpl_QueryPreferredFormat,
MediaSeekingImpl_GetTimeFormat,
MediaSeekingImpl_IsUsingTimeFormat,
MediaSeekingImpl_SetTimeFormat,
MediaSeekingImpl_GetDuration,
MediaSeekingImpl_GetStopPosition,
MediaSeekingImpl_GetCurrentPosition,
MediaSeekingImpl_ConvertTimeFormat,
MediaSeekingImpl_SetPositions,
MediaSeekingImpl_GetPositions,
MediaSeekingImpl_GetAvailable,
MediaSeekingImpl_SetRate,
MediaSeekingImpl_GetRate,
MediaSeekingImpl_GetPreroll
};
static HRESULT NullRendererImpl_Change(IBaseFilter *iface)
{
TRACE("(%p)\n", iface);
return S_OK;
}
HRESULT NullRenderer_create(IUnknown * pUnkOuter, LPVOID * ppv)
{
HRESULT hr;
@ -181,6 +238,9 @@ HRESULT NullRenderer_create(IUnknown * pUnkOuter, LPVOID * ppv)
if (SUCCEEDED(hr))
{
pNullRenderer->ppPins[0] = (IPin *)pNullRenderer->pInputPin;
MediaSeekingImpl_Init((IBaseFilter*)pNullRenderer, NullRendererImpl_Change, NullRendererImpl_Change, NullRendererImpl_Change, &pNullRenderer->mediaSeeking, &pNullRenderer->csFilter);
pNullRenderer->mediaSeeking.lpVtbl = &TransformFilter_Seeking_Vtbl;
*ppv = (LPVOID)pNullRenderer;
}
else
@ -212,6 +272,8 @@ static HRESULT WINAPI NullRendererInner_QueryInterface(IUnknown * iface, REFIID
*ppv = (LPVOID)This;
else if (IsEqualIID(riid, &IID_IBaseFilter))
*ppv = (LPVOID)This;
else if (IsEqualIID(riid, &IID_IMediaSeeking))
*ppv = &This->mediaSeeking;
if (*ppv)
{