tutorial1.C

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#include <jevois/Core/Module.H>
 
// Simple module that just passes the captured camera frames through to USB host
class TutorialPassThrough : public jevois::Module
{
  public:
    // Default base class constructor ok
    using jevois::Module::Module;
 
    // Virtual destructor for safe inheritance
    virtual ~TutorialPassThrough() { }
 
    // Processing function
    virtual void process(jevois::InputFrame && inframe, jevois::OutputFrame && outframe) override
    {
      // Wait for next available camera image:
      jevois::RawImage const inimg = inframe.get(true);
      
      // Wait for an image from our gadget driver into which we will put our results:
      jevois::RawImage outimg = outframe.get();
 
      // Enforce that the input and output formats and image sizes match:
      outimg.require("output", inimg.width, inimg.height, inimg.fmt);
      
      // Just copy the pixel data over:
      memcpy(outimg.pixelsw<void>(), inimg.pixels<void>(), outimg.bytesize());
 
      // Let camera know we are done processing the input image:
      inframe.done(); // NOTE: optional here, inframe destructor would call it anyway
 
      // Send the output image with our processing results to the host over USB:
      outframe.send(); // NOTE: optional here, outframe destructor would call it anyway
    }
};
 
// Allow the module to be loaded as a shared object (.so) file:
JEVOIS_REGISTER_MODULE(TutorialPassThrough);