#include <vector>
#include <string>
#include <iostream>
-#include <sigc++/signal.h>
#include "pbd/stateful.h"
#include "pbd/controllable.h"
class BufferSet;
class AudioBuffer;
-class StreamPanner : public sigc::trackable, public PBD::Stateful
+class StreamPanner : public PBD::Stateful
{
public:
StreamPanner (Panner& p, Evoral::Parameter param);
void set_position (float x, float y, bool link_call = false);
void set_position (float x, float y, float z, bool link_call = false);
- void get_position (float& xpos) const { xpos = x; }
- void get_position (float& xpos, float& ypos) const { xpos = x; ypos = y; }
- void get_position (float& xpos, float& ypos, float& zpos) const { xpos = x; ypos = y; zpos = z; }
+ void get_position (float& xpos) const { xpos = _x; }
+ void get_position (float& xpos, float& ypos) const { xpos = _x; ypos = _y; }
+ void get_position (float& xpos, float& ypos, float& zpos) const { xpos = _x; ypos = _y; zpos = _z; }
void get_effective_position (float& xpos) const { xpos = effective_x; }
void get_effective_position (float& xpos, float& ypos) const { xpos = effective_x; ypos = effective_y; }
void get_effective_position (float& xpos, float& ypos, float& zpos) const { xpos = effective_x; ypos = effective_y; zpos = effective_z; }
+ void distribute (AudioBuffer &, BufferSet &, gain_t, nframes_t);
+ void distribute_automated (AudioBuffer &, BufferSet &, nframes_t, nframes_t, nframes_t, pan_t **);
+
/* the basic StreamPanner API */
- virtual void distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes) = 0;
- virtual void distribute_automated (AudioBuffer& src, BufferSet& obufs,
- nframes_t start, nframes_t end, nframes_t nframes, pan_t** buffers) = 0;
+ /**
+ * Pan some input samples to a number of output buffers.
+ *
+ * @param src Input buffer.
+ * @param obufs Output buffers (one per panner output).
+ * @param gain_coeff Gain coefficient to apply to output samples.
+ * @param nframes Number of frames in the input.
+ */
+ virtual void do_distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes) = 0;
+ virtual void do_distribute_automated (AudioBuffer& src, BufferSet& obufs,
+ nframes_t start, nframes_t end, nframes_t nframes, pan_t** buffers) = 0;
boost::shared_ptr<AutomationControl> pan_control() { return _control; }
- sigc::signal<void> Changed; /* for position */
- sigc::signal<void> StateChanged; /* for mute */
+ PBD::Signal0<void> Changed; /* for position */
+ PBD::Signal0<void> StateChanged; /* for mute, mono */
int set_state (const XMLNode&, int version);
virtual XMLNode& state (bool full_state) = 0;
Panner & get_parent() { return parent; }
/* old school automation loading */
-
virtual int load (std::istream&, std::string path, uint32_t&) = 0;
protected:
friend class Panner;
Panner& parent;
- float x;
- float y;
- float z;
+ void set_mono (bool);
+
+ float _x;
+ float _y;
+ float _z;
/* these are for automation. they store the last value
used by the most recent process() cycle.
float effective_z;
bool _muted;
+ bool _mono;
boost::shared_ptr<AutomationControl> _control;
void add_state (XMLNode&);
+
+ /* Update internal parameters based on _x, _y and _z */
virtual void update () = 0;
};
~BaseStereoPanner ();
/* this class just leaves the pan law itself to be defined
- by the update(), distribute_automated()
+ by the update(), do_distribute_automated()
methods. derived classes also need a factory method
and a type name. See EqualPowerStereoPanner as an example.
*/
- void distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes);
+ void do_distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes);
/* old school automation loading */
EqualPowerStereoPanner (Panner&, Evoral::Parameter param);
~EqualPowerStereoPanner ();
- void distribute_automated (AudioBuffer& src, BufferSet& obufs,
- nframes_t start, nframes_t end, nframes_t nframes, pan_t** buffers);
+ 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;
Multi2dPanner (Panner& parent, Evoral::Parameter);
~Multi2dPanner ();
- void distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes);
- void distribute_automated (AudioBuffer& src, BufferSet& obufs,
- nframes_t start, nframes_t end, nframes_t nframes, pan_t** buffers);
+ void do_distribute (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, nframes_t nframes);
+ void do_distribute_automated (AudioBuffer& src, BufferSet& obufs,
+ nframes_t start, nframes_t end, nframes_t nframes, pan_t** buffers);
static StreamPanner* factory (Panner&, Evoral::Parameter);
static std::string name;
};
-class Panner : public SessionObject, public AutomatableControls
+/** Class to pan from some number of inputs to some number of outputs.
+ * This class has a number of StreamPanners, one for each input.
+ */
+class Panner : public SessionObject, public Automatable
{
public:
struct Output {
pan_t desired_pan;
Output (float xp, float yp)
- : x (xp), y (yp), current_pan (0.0f), desired_pan (0.f) {}
+ : x (xp), y (yp), current_pan (0), desired_pan (0) {}
};
- //Panner (std::string name, Session&, int _num_bufs);
Panner (std::string name, Session&);
virtual ~Panner ();
/// The fundamental Panner function
void run (BufferSet& src, BufferSet& dest, sframes_t start_frame, sframes_t end_frames, nframes_t nframes);
- //void* get_inline_gui() const = 0;
- //void* get_full_gui() const = 0;
-
bool bypassed() const { return _bypassed; }
void set_bypassed (bool yn);
+ bool mono () const { return _mono; }
+ void set_mono (bool);
StreamPanner* add ();
void remove (uint32_t which);
uint32_t nouts() const { return outputs.size(); }
Output& output (uint32_t n) { return outputs[n]; }
- std::vector<Output> outputs;
-
enum LinkDirection {
SameDirection,
OppositeDirection
StreamPanner &streampanner( uint32_t n ) const { assert( n < _streampanners.size() ); return *_streampanners[n]; }
uint32_t npanners() const { return _streampanners.size(); }
- sigc::signal<void> Changed;
- sigc::signal<void> LinkStateChanged;
- sigc::signal<void> StateChanged; /* for bypass */
+ PBD::Signal0<void> Changed; /* panner and/or outputs count changed */
+ PBD::Signal0<void> LinkStateChanged;
+ PBD::Signal0<void> StateChanged; /* for bypass */
/* only StreamPanner should call these */
};
boost::shared_ptr<AutomationControl> pan_control (int id, int chan=0) {
- return automation_control(Evoral::Parameter (PanAutomation, chan, id));
+ return automation_control (Evoral::Parameter (PanAutomation, chan, id));
}
boost::shared_ptr<const AutomationControl> pan_control (int id, int chan=0) const {
- return automation_control(Evoral::Parameter (PanAutomation, chan, id));
+ return automation_control (Evoral::Parameter (PanAutomation, chan, id));
}
private:
Panner (Panner const &);
void distribute_no_automation(BufferSet& src, BufferSet& dest, nframes_t nframes, gain_t gain_coeff);
- std::vector<StreamPanner*> _streampanners;
+ std::vector<StreamPanner*> _streampanners; ///< one StreamPanner per input
+ std::vector<Output> outputs;
uint32_t current_outs;
bool _linked;
bool _bypassed;
+ bool _mono;
LinkDirection _link_direction;
static float current_automation_version_number;
projects / ardour.git / blobdiff