sink_node.h

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#ifndef MF_FLOW_SINK_NODE_H_
#define MF_FLOW_SINK_NODE_H_

#include "filter_node.h"

namespace mf { namespace flow {

class graph;


class sink_node final : public filter_node {
public: 
    explicit sink_node(graph& gr) : filter_node(gr) { }
    
    void internal_setup() final override;
    void launch() final override;
    void stop() final override;
    bool process_next_frame() final override;
    
    void setup_graph();
    
    void pull(time_unit t);
    void pull_next_frame() { process_next_frame(); }
    
    void seek(time_unit t);
    
    node_input& add_input(time_unit past_window, time_unit future_window) override {
        return add_input_<node_input>(past_window, future_window);
    }
    
    node_output& add_output(const frame_format& format) override { throw 0; }
};


}}

#endif