#include "pbd/signals.h"
#include "evoral/visibility.h"
-#include "evoral/types.hpp"
#include "evoral/Range.hpp"
#include "evoral/Parameter.hpp"
#include "evoral/ParameterDescriptor.hpp"
virtual boost::shared_ptr<ControlList> create(const Parameter& id, const ParameterDescriptor& desc);
- void dump (std::ostream&);
+ void dump (std::ostream&);
ControlList& operator= (const ControlList&);
bool operator== (const ControlList&);
- void copy_events (const ControlList&);
+ void copy_events (const ControlList&);
virtual void freeze();
virtual void thaw ();
void set_descriptor(const ParameterDescriptor& d) { _desc = d; }
EventList::size_type size() const { return _events.size(); }
- double length() const {
+ double length() const {
Glib::Threads::RWLock::ReaderLock lm (_lock);
return _events.empty() ? 0.0 : _events.back()->when;
}
bool empty() const { return _events.empty(); }
- void reset_default (double val) {
- _default_value = val;
- }
-
void clear ();
void x_scale (double factor);
bool extend_to (double);
void slide (iterator before, double distance);
void shift (double before, double distance);
+ void y_transform (boost::function<double(double)> callback);
+ void list_merge (ControlList const& other, boost::function<double(double, double)> callback);
+
+ /** add automation events
+ * @param when absolute time in samples
+ * @param value parameter value
+ * @param with_guards if true, add guard-points
+ * @param with_initial if true, add an initial point if the list is empty
+ */
virtual void add (double when, double value, bool with_guards=true, bool with_initial=true);
virtual bool editor_add (double when, double value, bool with_guard);
+ /* to be used only for loading pre-sorted data from saved state */
void fast_simple_add (double when, double value);
void erase_range (double start, double end);
/** Thin the number of events in this list.
*
- * The thinning factor has no units but corresponds to the area of a
- * triangle computed between three points in the list. If the area is
- * large, it indicates significant non-linearity between the points.
+ * The thinning factor corresponds to the area of a triangle computed
+ * between three points in the list (time-difference * value-difference).
+ * If the area is large, it indicates significant non-linearity between
+ * the points.
+ *
+ * Time is measured in samples, value is usually normalized to 0..1.
*
* During automation recording we thin the recorded points using this
* value. If a point is sufficiently co-linear with its neighbours (as
* not include it in the list. The larger the value, the more points are
* excluded, so this effectively measures the amount of thinning to be
* done.
+ *
+ * @param thinning_factor area-size (default: 20)
*/
void thin (double thinning_factor);
boost::shared_ptr<ControlList> cut (double, double);
boost::shared_ptr<ControlList> copy (double, double);
- void clear (double, double);
- bool paste (const ControlList&, double position, float times);
-
- void set_yrange (double min, double max) {
- _min_yval = min;
- _max_yval = max;
- }
+ /** remove all automation events between the given time range
+ * @param start start of range (inclusive) in audio samples
+ * @param end end of range (inclusive) in audio samples
+ */
+ void clear (double start, double end);
- double get_max_y() const { return _max_yval; }
- double get_min_y() const { return _min_yval; }
+ bool paste (const ControlList&, double position);
- void truncate_end (double length);
- void truncate_start (double length);
+ /** truncate the event list after the given time
+ * @param last_coordinate last event to include
+ */
+ void truncate_end (double last_coordinate);
+ /** truncate the event list to the given time
+ * @param overall_length overall length
+ */
+ void truncate_start (double overall_length);
iterator begin() { return _events.begin(); }
const_iterator begin() const { return _events.begin(); }
(obj.*method)(*this);
}
- double eval (double where) {
+ /** query value at given time (takes a read-lock, not safe while writing automation)
+ * @param where absolute time in samples
+ * @returns parameter value
+ */
+ double eval (double where) const {
Glib::Threads::RWLock::ReaderLock lm (_lock);
return unlocked_eval (where);
}
- double rt_safe_eval (double where, bool& ok) {
+ /** realtime safe version of eval, may fail if read-lock cannot be taken
+ * @param where absolute time in samples
+ * @param ok boolean reference if returned value is valid
+ * @returns parameter value
+ */
+ double rt_safe_eval (double where, bool& ok) const {
Glib::Threads::RWLock::ReaderLock lm (_lock, Glib::Threads::TRY_LOCK);
};
const EventList& events() const { return _events; }
- double default_value() const { return _default_value; }
// FIXME: const violations for Curve
Glib::Threads::RWLock& lock() const { return _lock; }
enum InterpolationStyle {
Discrete,
Linear,
- Curved
+ Curved, // spline, used for x-fades
+ Logarithmic,
+ Exponential // fader, gain
};
+ /** query interpolation style of the automation data
+ * @returns Interpolation Style
+ */
InterpolationStyle interpolation() const { return _interpolation; }
- void set_interpolation (InterpolationStyle);
+
+ /** query default interpolation for parameter-descriptor */
+ virtual InterpolationStyle default_interpolation() const;
+
+ /** set the interpolation style of the automation data.
+ *
+ * This will fail when asking for Logarithmic scale and min,max crosses 0
+ * or Exponential scale with min != 0.
+ *
+ * @param is interpolation style
+ * @returns true if style change was successful
+ */
+ bool set_interpolation (InterpolationStyle is);
virtual bool touching() const { return false; }
virtual bool writing() const { return false; }
virtual bool touch_enabled() const { return false; }
- void start_write_pass (double time);
- void write_pass_finished (double when, double thinning_factor=0.0);
- void set_in_write_pass (bool, bool add_point = false, double when = 0.0);
- bool in_write_pass () const;
+ void start_write_pass (double when);
+ void write_pass_finished (double when, double thinning_factor=0.0);
+ void set_in_write_pass (bool, bool add_point = false, double when = 0.0);
+ bool in_write_pass () const;
+ bool in_new_write_pass () { return new_write_pass; }
+ PBD::Signal0<void> WritePassStarted;
/** Emitted when mark_dirty() is called on this object */
mutable PBD::Signal0<void> Dirty;
/** Emitted when our interpolation style changes */
bool operator!= (ControlList const &) const;
- void invalidate_insert_iterator ();
+ void invalidate_insert_iterator ();
protected:
EventList _events;
int8_t _frozen;
bool _changed_when_thawed;
- double _min_yval;
- double _max_yval;
- double _default_value;
bool _sort_pending;
Curve* _curve;
- private:
- iterator most_recent_insert_iterator;
- double insert_position;
- bool new_write_pass;
- bool did_write_during_pass;
- bool _in_write_pass;
- void unlocked_invalidate_insert_iterator ();
- void add_guard_point (double when);
+private:
+ iterator most_recent_insert_iterator;
+ double insert_position;
+ bool new_write_pass;
+ bool did_write_during_pass;
+ bool _in_write_pass;
+
+ void unlocked_remove_duplicates ();
+ void unlocked_invalidate_insert_iterator ();
+ void add_guard_point (double when, double offset);
+
+ bool is_sorted () const;
};
} // namespace Evoral