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The digital camera node interfaces with standard USB cameras (e.g. the Logitech Quickcam) using OpenCV and publishes image data using the image_transport model, which can automatically generate compressed message types. That is, the theora streaming video compression is only enabled when the image is actually requested compressed, e.g. by calling

Notice that you have to compile theora separately, i.e. using

2023-10-28 12:37