IBaseFilter в DirectShow ...

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palgen © (2005-09-22 12:10) [0]

Что есть такое IBaseFilter в DirectShow (DSPack)? Для чего он нужен? Как его использовать?

← →
WondeRu © (2005-09-22 13:40) [1]

Для написания фильтров. Примеры фильтров смотри в демках.
Дополнительную инфу смотри в DirectX SDK

а почему ругается в коде
//==========================================================
FilterGraph.ClearGraph;
FilterGraph1.ClearGraph;
FilterGraph.Active := false;
FilterGraph1.Active := false;
Filter.BaseFilter.Moniker := SysDev.GetMoniker(TMenuItem(Sender).tag);
Filter1.BaseFilter.Moniker := SysDev.GetMoniker(TMenuItem(Sender).tag + 1);
FilterGraph.Active := true;
FilterGraph1.Active := true;
with FilterGraph as ICaptureGraphBuilder2 do
RenderStream(@PIN_CATEGORY_CAPTURE, nil, Filter as IBaseFilter, SampleGrabber as IBaseFilter, VideoWindow as IbaseFilter);
with FilterGraph1 as ICaptureGraphBuilder2 do
RenderStream(@PIN_CATEGORY_CAPTURE, nil, Filter1 as IBaseFilter, SampleGrabber1 as IBaseFilter, VideoWindow1 as IbaseFilter);
SetVideoParams(FilterGraph as ICaptureGraphBuilder2, PIN_CATEGORY_CAPTURE, Filter as IBaseFilter);
SetVideoParams(FilterGraph1 as ICaptureGraphBuilder2, PIN_CATEGORY_CAPTURE, Filter1 as IBaseFilter);
FilterGraph.Play;
FilterGraph1.Play;
//=========================================================

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