#include "ardour/panner.h"
#include "ardour/panner_shell.h"
-#include "ardour/vbap_speakers.h"
+
+#include "vbap_speakers.h"
namespace ARDOUR {
class Speakers;
class Pannable;
-class VBAPanner : public Panner
-{
+class VBAPanner : public Panner
+{
public:
- VBAPanner (boost::shared_ptr<Pannable>, Speakers& s);
+ VBAPanner (boost::shared_ptr<Pannable>, boost::shared_ptr<Speakers>);
~VBAPanner ();
- void configure_io (const ChanCount& in, const ChanCount& /* ignored - we use Speakers */);
+ void configure_io (ChanCount in, ChanCount /* ignored - we use Speakers */);
ChanCount in() const;
ChanCount out() const;
- static Panner* factory (boost::shared_ptr<Pannable>, Speakers& s);
+ void set_position (double);
+ void set_width (double);
+ void set_elevation (double);
+
+ std::set<Evoral::Parameter> what_can_be_automated() const;
- void do_distribute (BufferSet& ibufs, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes);
- void do_distribute_automated (BufferSet& ibufs, BufferSet& obufs,
- framepos_t start, framepos_t end, pframes_t nframes, pan_t** buffers);
+ static Panner* factory (boost::shared_ptr<Pannable>, boost::shared_ptr<Speakers>);
+
+ void distribute (BufferSet& ibufs, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes);
void set_azimuth_elevation (double azimuth, double elevation);
- XMLNode& state (bool full_state);
+ std::string describe_parameter (Evoral::Parameter);
+ std::string value_as_string (boost::shared_ptr<const AutomationControl>) const;
+
XMLNode& get_state ();
- int set_state (const XMLNode&, int version);
- boost::shared_ptr<AutomationControl> azimuth_control (uint32_t signal);
- boost::shared_ptr<AutomationControl> evelation_control (uint32_t signal);
+ PBD::AngularVector signal_position (uint32_t n) const;
+ boost::shared_ptr<Speakers> get_speakers() const;
- std::string describe_parameter (Evoral::Parameter param);
+ void reset ();
private:
struct Signal {
PBD::AngularVector direction;
- double gains[3];
- double desired_gains[3];
- int outputs[3];
- int desired_outputs[3];
- boost::shared_ptr<AutomationControl> azimuth_control;
- boost::shared_ptr<AutomationControl> elevation_control;
-
- Signal (Session&, VBAPanner&, uint32_t which);
+ std::vector<double> gains; /* most recently used gain for all speakers */
+
+ int outputs[3]; /* most recent set of outputs used (2 or 3, depending on dimension) */
+ int desired_outputs[3]; /* outputs to use the next time we distribute */
+ double desired_gains[3]; /* target gains for desired_outputs */
+
+ Signal (Session&, VBAPanner&, uint32_t which, uint32_t n_speakers);
+ void resize_gains (uint32_t n_speakers);
};
std::vector<Signal*> _signals;
- bool _dirty;
- VBAPSpeakers& _speakers;
-
+ boost::shared_ptr<VBAPSpeakers> _speakers;
+
void compute_gains (double g[3], int ls[3], int azi, int ele);
+ void update ();
+ void clear_signals ();
- void do_distribute_one (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes, uint32_t which);
- void do_distribute_one_automated (AudioBuffer& src, BufferSet& obufs,
- framepos_t start, framepos_t end, pframes_t nframes,
+ void distribute_one (AudioBuffer& src, BufferSet& obufs, gain_t gain_coeff, pframes_t nframes, uint32_t which);
+ void distribute_one_automated (AudioBuffer& src, BufferSet& obufs,
+ framepos_t start, framepos_t end, pframes_t nframes,
pan_t** buffers, uint32_t which);
};