Tempo ramps - consolidate meter dragging code.

[ardour.git] / libs / ardour / ardour / tempo.h

diff --git a/libs/ardour/ardour/tempo.h b/libs/ardour/ardour/tempo.h
index 9274758958d2010f9e3671a83220ca9605df7ffc..5416ad3462b7b01a9f12b589cd2b76413b425960 100644 (file)
--- a/libs/ardour/ardour/tempo.h
+++ b/libs/ardour/ardour/tempo.h
@@ -105,10 +105,8 @@ class LIBARDOUR_API Meter {
 /** A section of timeline with a certain Tempo or Meter. */
 class LIBARDOUR_API MetricSection {
   public:
-       MetricSection (double pulse)
-               : _pulse (pulse), _frame (0), _movable (true), _position_lock_style (MusicTime) {}
-       MetricSection (framepos_t frame)
-               : _pulse (0.0), _frame (frame), _movable (true), _position_lock_style (AudioTime) {}
+       MetricSection (double pulse, framepos_t frame, PositionLockStyle pls)
+               : _pulse (pulse), _frame (frame), _movable (true), _position_lock_style (pls) {}
 
        virtual ~MetricSection() {}
 
@@ -142,10 +140,9 @@ private:
 /** A section of timeline with a certain Meter. */
 class LIBARDOUR_API MeterSection : public MetricSection, public Meter {
   public:
-       MeterSection (double pulse, double beat, const Timecode::BBT_Time& bbt, double bpb, double note_type)
-               : MetricSection (pulse), Meter (bpb, note_type), _bbt (bbt),  _beat (beat) {}
-       MeterSection (framepos_t frame, double beat, const Timecode::BBT_Time& bbt, double bpb, double note_type)
-               : MetricSection (frame), Meter (bpb, note_type), _bbt (bbt), _beat (beat) {}
+       MeterSection (double pulse, framepos_t frame, double beat, const Timecode::BBT_Time& bbt, double bpb, double note_type, PositionLockStyle pls)
+               : MetricSection (pulse, frame, pls), Meter (bpb, note_type), _bbt (bbt),  _beat (beat) {}
+
        MeterSection (const XMLNode&);
 
        static const std::string xml_state_node_name;
@@ -177,10 +174,9 @@ class LIBARDOUR_API TempoSection : public MetricSection, public Tempo {
                Constant,
        };
 
-       TempoSection (const double& pulse, double qpm, double note_type, Type tempo_type)
-               : MetricSection (pulse), Tempo (qpm, note_type), _type (tempo_type), _c_func (0.0), _active (true), _locked_to_meter (false)  {}
-       TempoSection (framepos_t frame, double qpm, double note_type, Type tempo_type)
-               : MetricSection (frame), Tempo (qpm, note_type), _type (tempo_type), _c_func (0.0), _active (true), _locked_to_meter (false) {}
+       TempoSection (const double& pulse, const framepos_t& frame, double qpm, double note_type, Type tempo_type, PositionLockStyle pls)
+               : MetricSection (pulse, frame, pls), Tempo (qpm, note_type), _type (tempo_type), _c_func (0.0), _active (true), _locked_to_meter (false)  {}
+
        TempoSection (const XMLNode&);
 
        static const std::string xml_state_node_name;
@@ -315,7 +311,7 @@ class LIBARDOUR_API TempoMap : public PBD::StatefulDestructible
 
                BBTPoint (const MeterSection& m, const Tempo& t, framepos_t f,
                          uint32_t b, uint32_t e, double func_c)
-               : frame (f), meter (m.note_divisor(), m.divisions_per_bar()), tempo (t.beats_per_minute(), t.note_type()), c (func_c), bar (b), beat (e) {}
+               : frame (f), meter (m.divisions_per_bar(), m.note_divisor()), tempo (t.beats_per_minute(), t.note_type()), c (func_c), bar (b), beat (e) {}
 
                Timecode::BBT_Time bbt() const { return Timecode::BBT_Time (bar, beat, 0); }
                operator Timecode::BBT_Time() const { return bbt(); }
@@ -377,35 +373,40 @@ class LIBARDOUR_API TempoMap : public PBD::StatefulDestructible
        const MeterSection& meter_section_at (framepos_t frame) const;
        const MeterSection& meter_section_at_beat (double beat) const;
 
-       TempoSection* add_tempo (const Tempo&, const double& pulse, TempoSection::Type type);
-       TempoSection* add_tempo (const Tempo&, const framepos_t& frame, TempoSection::Type type);
 
-       MeterSection* add_meter (const Meter&, const double& beat, const Timecode::BBT_Time& where);
-       MeterSection* add_meter (const Meter&, const framepos_t& frame, const double& beat, const Timecode::BBT_Time& where);
+       /** add a tempo section locked to pls. ignored values will be set in recompute_tempos()
+        * @param pulse pulse position of new section. ignored if pls == AudioTime
+        * @param frame frame position of new section. ignored if pls == MusicTime
+        * @param type type of new tempo section (Ramp, Constant)
+        */
+       TempoSection* add_tempo (const Tempo&, const double& pulse, const framepos_t& frame, TempoSection::Type type, PositionLockStyle pls);
+
+       /** add an meter section locked to pls.. ignored values will be set in recompute_meters()
+        * @param beat beat position of new section
+        * @param where bbt position of new section
+        * @param frame frame position of new section. ignored if pls == MusicTime
+        */
+       MeterSection* add_meter (const Meter&, const double& beat, const Timecode::BBT_Time& where, const framepos_t& frame, PositionLockStyle pls);
 
        void remove_tempo (const TempoSection&, bool send_signal);
        void remove_meter (const MeterSection&, bool send_signal);
 
-       framepos_t predict_tempo_frame (TempoSection* section, const Timecode::BBT_Time& bbt);
-       double predict_tempo_pulse (TempoSection* section, const framepos_t& frame);
+       void replace_tempo (const TempoSection&, const Tempo&, const double& pulse, const framepos_t& frame
+                           , TempoSection::Type type, PositionLockStyle pls);
+
+       void replace_meter (const MeterSection&, const Meter&, const Timecode::BBT_Time& where, const framepos_t& frame
+                           , PositionLockStyle pls);
 
-       void replace_tempo (const TempoSection&, const Tempo&, const double& where, TempoSection::Type type);
-       void replace_tempo (const TempoSection&, const Tempo&, const framepos_t& frame, TempoSection::Type type);
+       std::pair<double, framepos_t> predict_tempo_position (TempoSection* section, const Timecode::BBT_Time& bbt);
 
-       void gui_move_tempo_frame (TempoSection*, const framepos_t& frame);
-       void gui_move_tempo_beat (TempoSection*, const double& beat);
-       void gui_move_tempo_pulse (TempoSection*, const double& pulse);
+       void gui_move_tempo (TempoSection*, const std::pair<double, framepos_t>& pulse);
        void gui_move_meter (MeterSection*, const framepos_t& frame);
-       void gui_move_meter (MeterSection*, const Timecode::BBT_Time& bbt);
+
        bool gui_change_tempo (TempoSection*, const Tempo& bpm);
-       void gui_dilate_tempo (MeterSection*, const framepos_t& frame);
        void gui_dilate_tempo (TempoSection* tempo, const framepos_t& frame, const framepos_t& end_frame, const double& pulse);
 
        bool can_solve_bbt (TempoSection* section, const Timecode::BBT_Time& bbt);
 
-       void replace_meter (const MeterSection&, const Meter&, const Timecode::BBT_Time& where);
-       void replace_meter (const MeterSection&, const Meter&, const framepos_t& frame);
-
        framepos_t round_to_bar  (framepos_t frame, RoundMode dir);
        framepos_t round_to_beat (framepos_t frame, RoundMode dir);
        framepos_t round_to_beat_subdivision (framepos_t fr, int sub_num, RoundMode dir);
@@ -456,29 +457,33 @@ class LIBARDOUR_API TempoMap : public PBD::StatefulDestructible
 private:
        double pulse_at_beat_locked (const Metrics& metrics, const double& beat) const;
        double beat_at_pulse_locked (const Metrics& metrics, const double& pulse) const;
+
        double pulse_at_frame_locked (const Metrics& metrics, const framecnt_t& frame) const;
        framecnt_t frame_at_pulse_locked (const Metrics& metrics, const double& pulse) const;
 
        double beat_at_frame_locked (const Metrics& metrics, const framecnt_t& frame) const;
        framecnt_t frame_at_beat_locked (const Metrics& metrics, const double& beat) const;
+
        double bbt_to_beats_locked (const Metrics& metrics, const Timecode::BBT_Time& bbt) const ;
        Timecode::BBT_Time beats_to_bbt_locked (const Metrics& metrics, const double& beats) const;
 
        framepos_t frame_time_locked (const Metrics& metrics, const Timecode::BBT_Time&) const;
 
-       const MeterSection& meter_section_at_locked (const Metrics& metrics, framepos_t frame) const;
        const TempoSection& tempo_section_at_locked (const Metrics& metrics, framepos_t frame) const;
-       const MeterSection& meter_section_at_beat_locked (const Metrics& metrics, const double& beat) const;
        const TempoSection& tempo_section_at_beat_locked (const Metrics& metrics, const double& beat) const;
        const TempoSection& tempo_section_at_pulse_locked (const Metrics& metrics, const double& pulse) const;
        const Tempo tempo_at_locked (const Metrics& metrics, const framepos_t& frame) const;
 
-       bool check_solved (const Metrics& metrics, bool by_frame) const;
+       const MeterSection& meter_section_at_locked (const Metrics& metrics, framepos_t frame) const;
+       const MeterSection& meter_section_at_beat_locked (const Metrics& metrics, const double& beat) const;
+
+       bool check_solved (const Metrics& metrics) const;
        bool set_active_tempos (const Metrics& metrics, const framepos_t& frame);
-       bool solve_map (Metrics& metrics, TempoSection* section, const framepos_t& frame);
-       bool solve_map (Metrics& metrics, TempoSection* section, const double& pulse);
-       bool solve_map (Metrics& metrics, MeterSection* section, const framepos_t& frame);
-       bool solve_map (Metrics& metrics, MeterSection* section, const Timecode::BBT_Time& bbt);
+
+       bool solve_map_frame (Metrics& metrics, TempoSection* section, const framepos_t& frame);
+       bool solve_map_pulse (Metrics& metrics, TempoSection* section, const double& pulse);
+       bool solve_map_frame (Metrics& metrics, MeterSection* section, const framepos_t& frame);
+       bool solve_map_bbt (Metrics& metrics, MeterSection* section, const Timecode::BBT_Time& bbt);
 
        friend class ::BBTTest;
        friend class ::FrameposPlusBeatsTest;
@@ -504,11 +509,11 @@ private:
 
        void do_insert (MetricSection* section);
 
-       TempoSection* add_tempo_locked (const Tempo&, double pulse, bool recompute, TempoSection::Type type);
-       TempoSection* add_tempo_locked (const Tempo&, framepos_t frame, bool recompute, TempoSection::Type type);
+       TempoSection* add_tempo_locked (const Tempo&, double pulse, framepos_t frame
+                              , TempoSection::Type type, PositionLockStyle pls, bool recompute, bool locked_to_meter = false);
 
-       MeterSection* add_meter_locked (const Meter&, double beat, const Timecode::BBT_Time& where, bool recompute);
-       MeterSection* add_meter_locked (const Meter&, framepos_t frame, double beat, const Timecode::BBT_Time& where, bool recompute);
+       MeterSection* add_meter_locked (const Meter&, double beat, const Timecode::BBT_Time& where, framepos_t frame
+                                       , PositionLockStyle pls, bool recompute);
 
        bool remove_tempo_locked (const TempoSection&);
        bool remove_meter_locked (const MeterSection&);