GraphEdit is a little known tool distributed with Microsoft Windows Software Development Kit (SDK) and allows exploring camera settings and video rendering filters. A copy of old version (which worked just fine without installing whole SDK) can be found wildly on the internet. Besides ability of tinkering with options it is much more advanced tool for viewing live view than for example VLC. There are even more advanced commercial modifications but original will be just fine. For more details check Wiki pages.
Below is a quick guide:
As we further inspect all pins, we can find out that one pin has YUY2 and MJPG output options, another one is for H264.
A copy of GraphEdit 9 can be found here
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