Add gstreamer input plugin #394
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Add a plugin which allows mjpeg-streamer to read input from a gstreamer pipeline, which the user specifies via environment variable.
Why did I create this plugin? I am trying to use https://github.com/jhdewitt/sltk on a Jetson Nano with a RPI camera. SLTK depends on mjpg-streamer. The easiest way to stream video with this hardware setup is using gstreamer. So this plugin is the glue that I needed. But I programmed it in a way which should be general enough that people might find other use cases, if for some reason you have a need to transform a gstream into an mjpeg-stream.
In retrospect, maybe I should have just removed SLTK's dependency on mjpeg_streamer and got it to stream video from gstreamer directly. Maybe I'll still do that at some point.