Help Gets a video signal from a directshow compatible device
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about VideoIn (DShow9)

FAQ

VideoIn (DShow9) offers a lot of hidden pins like brightness, contrast etc. those parameters can also be accessed by the "Property Page". when i set different parameters in the Property Page than in the node: which of these are selected when i save and reload the patch?!?

The sliders in PropertyPage and in VideoIn-Inspektor actually set the same values in the registry. it is only that they don't update correspondingly while you change one. Everytime you create a VideoIn node though, it will read the current settings from the registry. change a setting in the propertypage, then reset the VideoIn node and see that the value in inspektor will now be the one you set via propertypage.
Therefore if you want to make sure a setting is the same the next time you start vvvv you'll have to connect the pins with ioboxes, else the pins will always reflect the settings currently saved in the registry.

What is the "preview" output of the VideoIn for? sometimes i can get it to work, and sometimes i can't.

The preview output is a special windows feature. From the directshow help: "To maintain throughput on the capture pin, the preview pin drops frames as needed." So the preview pin should really only be used for what it name suggests.

Tutorials

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