-class BaseStereoPanner : public StreamPanner
-{
- public:
- BaseStereoPanner (Panner&, Evoral::Parameter param);
- ~BaseStereoPanner ();
-
- /* this class just leaves the pan law itself to be defined
- by the update(), do_distribute_automated()
- methods. derived classes also need a factory method
- and a type name. See EqualPowerStereoPanner as an example.
- */
-
- void do_distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes);
-
- /* old school automation loading */
-
- int load (std::istream&, std::string path, uint32_t&);
-
- protected:
- float left;
- float right;
- float desired_left;
- float desired_right;
- float left_interp;
- float right_interp;
-};
-
-class EqualPowerStereoPanner : public BaseStereoPanner
-{
- public:
- EqualPowerStereoPanner (Panner&, Evoral::Parameter param);
- ~EqualPowerStereoPanner ();
-
- void do_distribute_automated (AudioBuffer& src, BufferSet& obufs,
- nframes_t start, nframes_t end, nframes_t nframes, pan_t** buffers);
-
- void get_current_coefficients (pan_t*) const;
- void get_desired_coefficients (pan_t*) const;
-
- static StreamPanner* factory (Panner&, Evoral::Parameter param);
- static std::string name;
-
- XMLNode& state (bool full_state);
- XMLNode& get_state (void);
- int set_state (const XMLNode&, int version);
-
- private:
- void update ();
-};
-
-class Multi2dPanner : public StreamPanner
-{
- public:
- Multi2dPanner (Panner& parent, Evoral::Parameter);
- ~Multi2dPanner ();