Setting camera aspect ratio...

hey Guys,
I'm trying to get our video to be widescreen, but I'm not sure how to do that ( I'm using the 10.1 swc).
In the code for the stream manager, I see methods like set aspectRatio, but then I also see things like AR_LANDSCAPE.
Then in the documentation I only see a method like, "changeSizeStream()"
What's the correct way to set the aspect ratio and height/width of the encoded video stream?
thanks

Camera RAW does support 1:1 aspect ration.  You just have to right click when using the crop tool to bring up the contextual menu, and select "Custom."  Then type in your ratio.

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