Additional Arguments to dynamic reconfigure callback.

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(also posted as issue on dynamic reconfigure git, possibly not appropriate for there) I am trying to use dynamic configure to set some camera parameters. I would like to pass a pointer to the camera object into the callback, so that I can use it's methods for setting the camera values. Is it possible to pass additional arguments to the dynamic reconfigure callback? Callback: void dr_callback(camera_node::dynamic_reconfig &parameters, uint32_t levels){ // set global object of parameters }

Binding: dr_callback = boost::bind(dr_callback, _1, _2); dr_server.setCallback(dr_callback);

ideal callback: void dr_callback_function(jai_camera_node::dynamic_reconfigConfig &parameters, uint32_t levels, cam_type *cam){ // use camera member functions to change values }