Tag: issue

Another VFW/DirectShow Pain in the Ass: picapmk4.dll

A customer complained on video playback problems which had symptoms of software compatibility issue. At certain operation modes software froze leaving the only option to kill process and restart. I appeared that the system has a third party DLL installed, a new hero name’s – picapmk4.dll. The DLL registers itself as Video for Windows codec…

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Another third party DirectShow filter that may break your very own application

One of the DirectShow’s most important features is Intelligent Connect, which allows Filter Graph Manager to build graphs out of independent filters trying to connect them together including options to fall back to originally non-preferred alternatives and so on. It is however important that filters are properly registered with the Filter Mapper. For the developers…

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