RobotPy bindings for cscore image processing library
These are python bindings for the cscore library, which is a high performance library used in the FIRST Robotics competition to serve video to/from robots. However, the core library is suitable for use in other applications, and is comparable to something like mjpg-streamer.
This library has only been tested with Python 3, and will most likely not work with Python 2.7. We do not intend to support using Python 2.7.
This is currently a preview release, a stable release with precompiled binaries and the like will be available at the end of January. Please try this out, file bugs, and make pull requests!
The cscore library currently only supports USB cameras on Linux. On other platforms you will want to use OpenCV to open a VideoCamera object. You can check at runtime to see if cscore is compiled with USB camera support by checking for the presence of a ‘UsbCamera’ class. If it’s not there, it’s not supported.
See the cvstream.py example for using OpenCV in this manner.
Currently, this isn’t setup to work on Windows. It might work on Windows though, I haven’t tried it yet.
Important: You MUST compile OpenCV with shared libraries (the default), if your python cv2 is statically linked this will most likely not work with it (if you do get such a setup working , please let me know!).
- Python 3.x
- OpenCV 3.x
You should be able to install numpy and pybind11 via pip:
pip3 install numpy pybind11
You cannot use opencv-python at this time (see notes below), you will need to compile it from source yourself.
Once you get OpenCV and NumPy installed, then you should be able to do a:
pip3 install --pre robotpy-cscore
If you’re installing from the source in this repository, you will need to do:
git clone https://github.com/robotpy/robotpy-cscore.git cd robotpy-cscore git submodule init git submodule update pip3 install .
Long term, I’d like to get this working with opencv-python. However, that’s going to take a bit of work. To track the primary problem related to this, see https://github.com/skvark/opencv-python/issues/22
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