/** A section of timeline with a certain Tempo or Meter. */
class LIBARDOUR_API MetricSection {
public:
- MetricSection (double start)
- : _beat (start), _frame (0), _movable (true), _position_lock_style (MusicTime) {}
+ MetricSection (double beat)
+ : _beat (beat), _frame (0), _movable (true), _position_lock_style (MusicTime) {}
MetricSection (framepos_t frame)
: _beat (0), _frame (frame), _movable (true), _position_lock_style (MusicTime) {}
virtual ~MetricSection() {}
- const double start () const { return _beat; }
- const double& beat() const { return _beat; }
+ const double& beat () const { return _beat; }
void set_beat (double beat) { _beat = beat;}
framepos_t frame() const { return _frame; }
XML state information.
*/
virtual XMLNode& get_state() const = 0;
+
PositionLockStyle position_lock_style () const { return _position_lock_style; }
void set_position_lock_style (PositionLockStyle ps) { _position_lock_style = ps; }
/** A section of timeline with a certain Meter. */
class LIBARDOUR_API MeterSection : public MetricSection, public Meter {
public:
- MeterSection (double start, const Timecode::BBT_Time& bbt, double bpb, double note_type)
- : MetricSection (start), Meter (bpb, note_type), _bbt (bbt) {}
+ MeterSection (double beat, const Timecode::BBT_Time& bbt, double bpb, double note_type)
+ : MetricSection (beat), Meter (bpb, note_type), _bbt (bbt) {}
MeterSection (framepos_t frame, double bpb, double note_type)
: MetricSection (frame), Meter (bpb, note_type) {}
MeterSection (const XMLNode&);
XMLNode& get_state() const;
- void set_start (std::pair<double, Timecode::BBT_Time>& w) {
- set_beat (w.first);
+ void set_beat (std::pair<double, Timecode::BBT_Time>& w) {
+ MetricSection::set_beat (w.first);
_bbt = w.second;
}
+
const Timecode::BBT_Time& bbt() const { return _bbt; }
private:
Timecode::BBT_Time _bbt;
Constant,
};
- TempoSection (const double& start, double qpm, double note_type, Type tempo_type)
- : MetricSection (start), Tempo (qpm, note_type), _bar_offset (-1.0), _type (tempo_type) {}
+ TempoSection (const double& beat, double qpm, double note_type, Type tempo_type)
+ : MetricSection (beat), Tempo (qpm, note_type), _bar_offset (-1.0), _type (tempo_type) {}
TempoSection (framepos_t frame, double qpm, double note_type, Type tempo_type)
: MetricSection (frame), Tempo (qpm, note_type), _bar_offset (-1.0), _type (tempo_type) {}
TempoSection (const XMLNode&);
XMLNode& get_state() const;
- void set_start (const double& w) {
- set_beat (w);
- }
-
void update_bar_offset_from_bbt (const Meter&);
void update_bbt_time_from_bar_offset (const Meter&);
double bar_offset() const { return _bar_offset; }
* time relative to section start.
*/
double c_func (double end_tpm, double end_time) const;
- double a_func (double begin_tpm, double end_tpm, double end_time) const;
+ double a_func (double end_tpm, double c_func) const;
- double tempo_at_time (double time, double end_bpm, double end_time) const;
- double time_at_tempo (double tempo, double end_bpm, double end_time) const;
double tick_tempo_at_time (double time, double end_tpm, double end_time) const;
double time_at_tick_tempo (double tick_tempo, double end_tpm, double end_time) const;
void set_tempo (const Tempo& t) { _tempo = &t; }
void set_meter (const Meter& m) { _meter = &m; }
void set_frame (framepos_t f) { _frame = f; }
- void set_start (const double& t) { _start = t; }
+ void set_beat (const double& t) { _beat = t; }
void set_metric (const MetricSection* section) {
const MeterSection* meter;
}
set_frame(section->frame());
- set_start(section->start());
+ set_beat(section->beat());
}
const Meter& meter() const { return *_meter; }
const Tempo& tempo() const { return *_tempo; }
framepos_t frame() const { return _frame; }
- const double& start() const { return _start; }
+ const double& beat() const { return _beat; }
private:
const Meter* _meter;
const Tempo* _tempo;
framepos_t _frame;
- double _start;
+ double _beat;
};
/** Tempo Map - mapping of timecode to musical time.
const MeterSection& meter_section_at (framepos_t) const;
void add_tempo (const Tempo&, double where, TempoSection::Type type);
- void add_meter (const Meter&, double start, Timecode::BBT_Time where);
+ void add_meter (const Meter&, double beat, Timecode::BBT_Time where);
void remove_tempo (const TempoSection&, bool send_signal);
void remove_meter (const MeterSection&, bool send_signal);
void replace_tempo (const TempoSection&, const Tempo&, const double& where, TempoSection::Type type);
void gui_set_tempo_frame (TempoSection&, framepos_t where, double beat);
- void replace_meter (const MeterSection&, const Meter&, const double& start, const Timecode::BBT_Time& where);
+ void replace_meter (const MeterSection&, const Meter&, const Timecode::BBT_Time& where);
framepos_t round_to_bar (framepos_t frame, RoundMode dir);
framepos_t round_to_beat (framepos_t frame, RoundMode dir);
PBD::Signal0<void> MetricPositionChanged;
double bbt_to_beats (Timecode::BBT_Time bbt);
+ Timecode::BBT_Time beats_to_bbt (double beats);
private:
+ double bbt_to_beats_locked (Timecode::BBT_Time bbt);
+ Timecode::BBT_Time beats_to_bbt_locked (double beats);
friend class ::BBTTest;
friend class ::FrameposPlusBeatsTest;
void recompute_map (bool reassign_tempo_bbt, framepos_t end = -1);
- void _extend_map (TempoSection* tempo, MeterSection* meter,
- Metrics::iterator next_metric,
- Timecode::BBT_Time current, framepos_t current_frame, framepos_t end);
-
framepos_t round_to_type (framepos_t fr, RoundMode dir, BBTPointType);
const MeterSection& first_meter() const;
const TempoSection& first_tempo() const;
TempoSection& first_tempo();
- Timecode::BBT_Time beats_to_bbt (double beats);
- int32_t bars_in_meter_section (MeterSection* ms) const;
-
void do_insert (MetricSection* section);
void add_tempo_locked (const Tempo&, double where, bool recompute, TempoSection::Type type);
- void add_meter_locked (const Meter&, double start, Timecode::BBT_Time where, bool recompute);
+ void add_meter_locked (const Meter&, double beat, Timecode::BBT_Time where, bool recompute);
bool remove_tempo_locked (const TempoSection&);
bool remove_meter_locked (const MeterSection&);