std::list<std::pair<std::shared_ptr<Image>, int64_t>> process (AVFrame * frame);
protected:
- std::string src_parameters () const;
- std::string src_name () const;
- void* sink_parameters () const;
- std::string sink_name () const;
+ std::string src_parameters () const override;
+ std::string src_name () const override;
+ void set_parameters (AVFilterContext* context) const override;
+ std::string sink_name () const override;
private:
dcp::Size _size; ///< size of the images that this chain can process