So you have a MacBook (or something else that runs OSX) and you want to play with the Kinect sensor, but you’re having trouble because there are about 1 billion sets of wrong instructions on the internet on how to connect this Kinect. Let me save you a little grief.
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Hardware
MongoDB Version¶. This tutorial installs MongoDB 4.4 Community Edition. To install a different version of MongoDB Community, use the version drop-down menu in the upper-left corner of this page to select the documentation for that version. I expected the “make install-openni2” command from libfreenect2’s readme would take care of that stuff, but it does not. The second omission is the troubleshooting stuff on their wiki. In particular, for my specific MacBook, I had to plug the Kinect adapter into the USB port on the left-hand side, NOT the right-hand side, as the device.
I have the Kinect “v2”, aka Kinect for Xbox One, aka Kinect for Windows, aka (in my case) Model 1520. The instructions below work for my version. The only serious difference if you have the older Kinect should be that you use a different version of libfreenect, but I haven’t tested that.
Software
You have more than one option as far as software goes. If you’re a commercial developer, you might consider trying out Zigfu’s ZDK, which has an OSX-ready image and integrates with several modern packages, including Unity3d, out of the box.
If you’re more of a hobbyist (as I am at the moment) and don’t have the $200 for a Zigfu license, the lovely folks behind the Structure Sensor have taken on maintenance of the OpenNI2 library, including a macOS build. Your first step should be to download the latest version of that library and unzip it somewhere.
Unfortunately, their package isn’t quite complete, and you’ll also need a driver to connect the Kinect (I know, it’s getting old to me too). This is where our ways may diverge, gentle reader, for in my case I discovered that I needed OpenKinect’slibfreenect2, whereas an older sensor would require libfreenect.
Assuming that you’re using the XBox One sensor, you’ll want to read the README.md that comes with your copy of libfreenect2. It contains all the necessary instructions for getting the right tools + dependencies and building all the things.
There are two additional things that are currently left out of their readme file. The first is that when you want to use the OpenNI2 tools, you’ll need to copy the drivers from
libfreenect2/build/lib
into
{bin-folder}/OpenNI2/Drivers
for whatever you’re running. So to run NiViewer, which is in the Tools folder, you’d copy it to
{openni-base-folder}/Tools/OpenNI2/Drivers
I expected the “make install-openni2” command from libfreenect2’s readme would take care of that stuff, but it does not.
The second omission is the troubleshooting stuff on their wiki. In particular, for my specific MacBook, I had to plug the Kinect adapter into the USB port on the left-hand side, NOT the right-hand side, as the device requires USB3, and I had to run Protonect and NiViewer using the “cl” pipeline. The default pipeline setting can be changed by doing this:
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export LIBFREENECT2_PIPELINE=cl
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You can also pass in the pipeline for Protonect:
bin/Protonect cl
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With that setting in place, you should see a window with 2 (NiViewer) or 4 (Protonect) windows, each capturing different parts of the raw Kinect stream:
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From here you’re on your own, but I hope you found this at least a bit helpful!