double beats_per_minute () const { return _beats_per_minute; }
void set_beats_per_minute (double bpm) { _beats_per_minute = bpm; }
double note_type () const { return _note_type; }
- /** audio samples per beat
+ /** audio samples per quarter note beat.
+ * this is only useful for constant tempo and should not be used.
+ * if you want an instantaneous value for this, use frames_per_beat_at() instead.
* @param sr samplerate
*/
double frames_per_beat (framecnt_t sr) const {
return (60.0 * sr) / _beats_per_minute;
}
- double frames_per_pulse (framecnt_t sr) const {
- return (_note_type * 60.0 * sr) / _beats_per_minute;
- }
protected:
double _beats_per_minute;
/** A section of timeline with a certain Tempo or Meter. */
class LIBARDOUR_API MetricSection {
public:
- MetricSection (double pulse, framepos_t frame, PositionLockStyle pls, bool is_tempo)
- : _pulse (pulse), _frame (frame), _movable (true), _position_lock_style (pls), _is_tempo (is_tempo) {}
+ MetricSection (double pulse, double minute, PositionLockStyle pls, bool is_tempo, framecnt_t sample_rate)
+ : _pulse (pulse), _minute (minute), _movable (true), _position_lock_style (pls), _is_tempo (is_tempo), _sample_rate (sample_rate) {}
virtual ~MetricSection() {}
const double& pulse () const { return _pulse; }
void set_pulse (double pulse) { _pulse = pulse; }
- framepos_t frame() const { return _frame; }
- virtual void set_frame (framepos_t f) {
- _frame = f;
+ double minute() const { return _minute; }
+ virtual void set_minute (double m) {
+ _minute = m;
}
+ framepos_t frame () const { return frame_at_minute (_minute); }
+
void set_movable (bool yn) { _movable = yn; }
bool movable() const { return _movable; }
void set_position_lock_style (PositionLockStyle ps) { _position_lock_style = ps; }
bool is_tempo () const { return _is_tempo; }
+ framepos_t frame_at_minute (const double& time) const;
+ double minute_at_frame (const framepos_t& frame) const;
+
private:
+
double _pulse;
- framepos_t _frame;
+ double _minute;
bool _movable;
PositionLockStyle _position_lock_style;
const bool _is_tempo;
+ framecnt_t _sample_rate;
};
/** A section of timeline with a certain Meter. */
class LIBARDOUR_API MeterSection : public MetricSection, public Meter {
public:
- MeterSection (double pulse, framepos_t frame, double beat, const Timecode::BBT_Time& bbt, double bpb, double note_type, PositionLockStyle pls)
- : MetricSection (pulse, frame, pls, false), Meter (bpb, note_type), _bbt (bbt), _beat (beat) {}
+ MeterSection (double pulse, double minute, double beat, const Timecode::BBT_Time& bbt, double bpb, double note_type, PositionLockStyle pls, framecnt_t sr)
+ : MetricSection (pulse, minute, pls, false, sr), Meter (bpb, note_type), _bbt (bbt), _beat (beat) {}
- MeterSection (const XMLNode&);
+ MeterSection (const XMLNode&, const framecnt_t sample_rate);
static const std::string xml_state_node_name;
Constant,
};
- TempoSection (const double& pulse, const framepos_t& frame, double qpm, double note_type, Type tempo_type, PositionLockStyle pls)
- : MetricSection (pulse, frame, pls, true), Tempo (qpm, note_type), _type (tempo_type), _c_func (0.0), _active (true), _locked_to_meter (false) {}
+ TempoSection (const double& pulse, const double& minute, double qpm, double note_type, Type tempo_type, PositionLockStyle pls, framecnt_t sr)
+ : MetricSection (pulse, minute, pls, true, sr), Tempo (qpm, note_type), _type (tempo_type), _c_func (0.0), _active (true), _locked_to_meter (false) {}
- TempoSection (const XMLNode&);
+ TempoSection (const XMLNode&, const framecnt_t sample_rate);
static const std::string xml_state_node_name;
bool locked_to_meter () const { return _locked_to_meter; }
void set_locked_to_meter (bool yn) { _locked_to_meter = yn; }
- double tempo_at_frame (const framepos_t& frame, const framecnt_t& frame_rate) const;
- framepos_t frame_at_tempo (const double& ppm, const double& beat, const framecnt_t& frame_rate) const;
+ double tempo_at_minute (const double& minute) const;
+ double minute_at_tempo (const double& bpm, const double& pulse) const;
double tempo_at_pulse (const double& pulse) const;
- double pulse_at_tempo (const double& ppm, const framepos_t& frame, const framecnt_t& frame_rate) const;
+ double pulse_at_tempo (const double& bpm, const double& minute) const;
+
+ double pulse_at_frame (const framepos_t& frame) const;
+ framepos_t frame_at_pulse (const double& pulse) const;
- double pulse_at_frame (const framepos_t& frame, const framepos_t& frame_rate) const;
- framepos_t frame_at_pulse (const double& pulse, const framecnt_t& frame_rate) const;
+ double pulse_at_minute (const double& minute) const;
+ double minute_at_pulse (const double& pulse) const;
- double compute_c_func_pulse (const double& end_bpm, const double& end_pulse, const framecnt_t& frame_rate);
- double compute_c_func_frame (const double& end_bpm, const framepos_t& end_frame, const framecnt_t& frame_rate) const;
+ double compute_c_func_pulse (const double& end_bpm, const double& end_pulse) const;
+ double compute_c_func_minute (const double& end_bpm, const double& end_minute) const;
Timecode::BBT_Time legacy_bbt () { return _legacy_bbt; }
private:
- framepos_t minute_to_frame (const double& time, const framecnt_t& frame_rate) const;
- double frame_to_minute (const framepos_t& frame, const framecnt_t& frame_rate) const;
-
/* tempo ramp functions. zero-based with time in minutes,
* 'tick tempo' in ticks per minute and tempo in bpm.
* time relative to section start.
class LIBARDOUR_API TempoMetric {
public:
TempoMetric (const Meter& m, const Tempo& t)
- : _meter (&m), _tempo (&t), _frame (0), _pulse (0.0) {}
+ : _meter (&m), _tempo (&t), _minute (0.0), _pulse (0.0) {}
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_minute (double m) { _minute = m; }
void set_pulse (const double& p) { _pulse = p; }
void set_metric (const MetricSection* section) {
set_tempo(*tempo);
}
- set_frame (section->frame());
+ set_minute (section->minute());
set_pulse (section->pulse());
}
const Meter& meter() const { return *_meter; }
const Tempo& tempo() const { return *_tempo; }
- framepos_t frame() const { return _frame; }
+ double minute() const { return _minute; }
const double& pulse() const { return _pulse; }
private:
const Meter* _meter;
const Tempo* _tempo;
- framepos_t _frame;
+ double _minute;
double _pulse;
};
* @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);
+ MeterSection* add_meter (const Meter&, const double& beat, const Timecode::BBT_Time& where, PositionLockStyle pls);
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& 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_meter (const MeterSection&, const Meter&, const Timecode::BBT_Time& where, PositionLockStyle pls);
framepos_t round_to_bar (framepos_t frame, RoundMode dir);
framepos_t round_to_beat (framepos_t frame, RoundMode dir);
framepos_t frame_at_tempo (const Tempo& tempo) const;
Tempo tempo_at_beat (const double& beat) const;
+ double beat_at_tempo (const Tempo& tempo) const;
const Meter& meter_at_frame (framepos_t) const;
double quarter_note_at_beat (const double beat);
double beat_at_quarter_note (const double beat);
+ framecnt_t frames_between_quarter_notes (const double start, const double end);
+
void gui_move_tempo (TempoSection*, const framepos_t& frame, const int& sub_num);
void gui_move_meter (MeterSection*, const framepos_t& frame);
bool gui_change_tempo (TempoSection*, const Tempo& bpm);
private:
- double beat_at_frame_locked (const Metrics& metrics, const framecnt_t& frame) const;
- framepos_t frame_at_beat_locked (const Metrics& metrics, const double& beat) const;
+ double beat_at_minute_locked (const Metrics& metrics, const double& minute) const;
+ double minute_at_beat_locked (const Metrics& metrics, const double& beat) const;
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 framepos_t& frame) const;
- framepos_t frame_at_pulse_locked (const Metrics& metrics, const double& pulse) const;
+ double pulse_at_minute_locked (const Metrics& metrics, const double& minute) const;
+ double minute_at_pulse_locked (const Metrics& metrics, const double& pulse) const;
+
+ Tempo tempo_at_minute_locked (const Metrics& metrics, const double& minute) const;
+ double minute_at_tempo_locked (const Metrics& metrics, const Tempo& tempo) const;
- Tempo tempo_at_frame_locked (const Metrics& metrics, const framepos_t& frame) const;
- framepos_t frame_at_tempo_locked (const Metrics& metrics, const Tempo& tempo) const;
+ Tempo tempo_at_pulse_locked (const Metrics& metrics, const double& pulse) const;
+ double pulse_at_tempo_locked (const Metrics& metrics, const Tempo& tempo) const;
- Timecode::BBT_Time bbt_at_frame_locked (const Metrics& metrics, const framepos_t& frame) const;
- framepos_t frame_at_bbt_locked (const Metrics& metrics, const Timecode::BBT_Time&) const;
+ Timecode::BBT_Time bbt_at_minute_locked (const Metrics& metrics, const double& minute) const;
+ double minute_at_bbt_locked (const Metrics& metrics, const Timecode::BBT_Time&) const;
double beat_at_bbt_locked (const Metrics& metrics, const Timecode::BBT_Time& bbt) const ;
Timecode::BBT_Time bbt_at_beat_locked (const Metrics& metrics, const double& beats) const;
double pulse_at_bbt_locked (const Metrics& metrics, const Timecode::BBT_Time& bbt) const;
Timecode::BBT_Time bbt_at_pulse_locked (const Metrics& metrics, const double& pulse) const;
- framepos_t frame_at_quarter_note_locked (const Metrics& metrics, const double quarter_note) const;
- double quarter_note_at_frame_locked (const Metrics& metrics, const framepos_t frame) const;
+ double minute_at_quarter_note_locked (const Metrics& metrics, const double quarter_note) const;
+ double quarter_note_at_minute_locked (const Metrics& metrics, const double minute) const;
+
double quarter_note_at_beat_locked (const Metrics& metrics, const double beat) const;
double beat_at_quarter_note_locked (const Metrics& metrics, const double beat) const;
- const TempoSection& tempo_section_at_frame_locked (const Metrics& metrics, framepos_t frame) const;
+ double minutes_between_quarter_notes_locked (const Metrics& metrics, const double start_qn, const double end_qn);
+
+ const TempoSection& tempo_section_at_minute_locked (const Metrics& metrics, double minute) const;
const TempoSection& tempo_section_at_beat_locked (const Metrics& metrics, const double& beat) const;
- const MeterSection& meter_section_at_frame_locked (const Metrics& metrics, framepos_t frame) const;
+ const MeterSection& meter_section_at_minute_locked (const Metrics& metrics, double minute) 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_frame (Metrics& metrics, TempoSection* section, const framepos_t& frame);
+ bool solve_map_minute (Metrics& metrics, TempoSection* section, const double& minute);
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_minute (Metrics& metrics, MeterSection* section, const double& minute);
bool solve_map_bbt (Metrics& metrics, MeterSection* section, const Timecode::BBT_Time& bbt);
double exact_beat_at_frame_locked (const Metrics& metrics, const framepos_t& frame, const int32_t sub_num);
double exact_qn_at_frame_locked (const Metrics& metrics, const framepos_t& frame, const int32_t sub_num);
+ double minute_at_frame (const framepos_t frame) const;
+ framepos_t frame_at_minute (const double minute) const;
+
friend class ::BBTTest;
friend class ::FrameposPlusBeatsTest;
friend class ::FrameposMinusBeatsTest;
void do_insert (MetricSection* section);
- TempoSection* add_tempo_locked (const Tempo&, double pulse, framepos_t frame
+ TempoSection* add_tempo_locked (const Tempo&, double pulse, double minute
, 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, framepos_t frame
- , PositionLockStyle pls, bool recompute);
+ MeterSection* add_meter_locked (const Meter&, double beat, const Timecode::BBT_Time& where, PositionLockStyle pls, bool recompute);
bool remove_tempo_locked (const TempoSection&);
bool remove_meter_locked (const MeterSection&);
Meter TempoMap::_default_meter (4.0, 4.0);
Tempo TempoMap::_default_tempo (120.0);
+framepos_t
+MetricSection::frame_at_minute (const double& time) const
+{
+ return (framepos_t) floor ((time * 60.0 * _sample_rate) + 0.5);
+}
+
+double
+MetricSection::minute_at_frame (const framepos_t& frame) const
+{
+ return (frame / (double) _sample_rate) / 60.0;
+}
+
/***********************************************************************/
double
const string TempoSection::xml_state_node_name = "Tempo";
-TempoSection::TempoSection (const XMLNode& node)
- : MetricSection (0.0, 0, MusicTime, true)
+TempoSection::TempoSection (const XMLNode& node, framecnt_t sample_rate)
+ : MetricSection (0.0, 0, MusicTime, true, sample_rate)
, Tempo (TempoMap::default_tempo())
, _c_func (0.0)
, _active (true)
BBT_Time bbt;
double pulse;
uint32_t frame;
+ double minute;
_legacy_bbt = BBT_Time (0, 0, 0);
if (sscanf (prop->value().c_str(), "%" PRIu32, &frame) != 1) {
error << _("TempoSection XML node has an illegal \"frame\" value") << endmsg;
} else {
- set_frame (frame);
+ set_minute (minute_at_frame (frame));
+ }
+ }
+
+ if ((prop = node.property ("minute")) != 0) {
+ if (sscanf (prop->value().c_str(), "%lf", &minute) != 1) {
+ error << _("TempoSection XML node has an illegal \"minute\" value") << endmsg;
+ } else {
+ set_minute (minute);
}
}
if (sscanf (prop->value().c_str(), "%lf", &_note_type) != 1 || _note_type < 1.0) {
error << _("TempoSection XML node has an illegal \"note-type\" value") << endmsg;
throw failed_constructor();
- }
+ }
}
if ((prop = node.property ("movable")) == 0) {
root->add_property ("pulse", buf);
snprintf (buf, sizeof (buf), "%li", frame());
root->add_property ("frame", buf);
+ snprintf (buf, sizeof (buf), "%lf", minute());
+ root->add_property ("minute", buf);
snprintf (buf, sizeof (buf), "%lf", _beats_per_minute);
root->add_property ("beats-per-minute", buf);
snprintf (buf, sizeof (buf), "%lf", _note_type);
_type = type;
}
-/** returns the tempo in beats per minute at the zero-based (relative to session) frame.
+/** returns the tempo in beats per minute at the zero-based (relative to session) minute.
*/
double
-TempoSection::tempo_at_frame (const framepos_t& f, const framecnt_t& frame_rate) const
+TempoSection::tempo_at_minute (const double& m) const
{
if (_type == Constant || _c_func == 0.0) {
return beats_per_minute();
}
- return _tempo_at_time (frame_to_minute (f - frame(), frame_rate));
+ return _tempo_at_time (m - minute());
}
-/** returns the zero-based frame (relative to session)
+/** returns the zero-based minute (relative to session)
where the tempo in beats per minute occurs in this section.
- pulse p is only used for constant tempos.
+ pulse p is only used for constant tempi.
note that the tempo map may have multiple such values.
*/
-framepos_t
-TempoSection::frame_at_tempo (const double& bpm, const double& p, const framecnt_t& frame_rate) const
+double
+TempoSection::minute_at_tempo (const double& bpm, const double& p) const
{
if (_type == Constant || _c_func == 0.0) {
- return ((p - pulse()) * frames_per_pulse (frame_rate)) + frame();
+ return (((p - pulse()) * note_type()) / beats_per_minute()) + minute();
}
- return minute_to_frame (_time_at_tempo (bpm), frame_rate) + frame();
+ return _time_at_tempo (bpm) + minute();
}
/** returns the tempo in beats per minute at the zero-based (relative to session) pulse.
*/
note that the session tempo map may have multiple beats at a given tempo.
*/
double
-TempoSection::pulse_at_tempo (const double& bpm, const framepos_t& f, const framecnt_t& frame_rate) const
+TempoSection::pulse_at_tempo (const double& bpm, const double& m) const
{
if (_type == Constant || _c_func == 0.0) {
- double const pulses = ((f - frame()) / frames_per_pulse (frame_rate)) + pulse();
- return pulses;
+ const double pulses = (((m - minute()) * beats_per_minute()) / note_type()) + pulse();
+ return pulses;
}
+
return _pulse_at_tempo (bpm) + pulse();
}
lies.
*/
double
-TempoSection::pulse_at_frame (const framepos_t& f, const framecnt_t& frame_rate) const
+TempoSection::pulse_at_frame (const framepos_t& f) const
+{
+ return pulse_at_minute (minute_at_frame (f));
+}
+
+double
+TempoSection::pulse_at_minute (const double& m) const
{
if (_type == Constant || _c_func == 0.0) {
- return ((f - frame()) / frames_per_pulse (frame_rate)) + pulse();
+ return (((m - minute()) * beats_per_minute()) / _note_type) + pulse();
}
- return _pulse_at_time (frame_to_minute (f - frame(), frame_rate)) + pulse();
+ return _pulse_at_time (m - minute()) + pulse();
}
/** returns the zero-based frame (relative to session start frame)
*/
framepos_t
-TempoSection::frame_at_pulse (const double& p, const framecnt_t& frame_rate) const
+TempoSection::frame_at_pulse (const double& p) const
+{
+ return frame_at_minute (minute_at_pulse (p));
+}
+
+double
+TempoSection::minute_at_pulse (const double& p) const
{
if (_type == Constant || _c_func == 0.0) {
- return (framepos_t) floor ((p - pulse()) * frames_per_pulse (frame_rate)) + frame();
+ return (((p - pulse()) * note_type()) / beats_per_minute()) + minute();
}
- return minute_to_frame (_time_at_pulse (p - pulse()), frame_rate) + frame();
+ return _time_at_pulse (p - pulse()) + minute();
}
/*
and duration (pulses into global start) of some later tempo section.
*/
double
-TempoSection::compute_c_func_pulse (const double& end_bpm, const double& end_pulse, const framecnt_t& frame_rate)
+TempoSection::compute_c_func_pulse (const double& end_bpm, const double& end_pulse) const
{
double const log_tempo_ratio = log (end_bpm / beats_per_minute());
return (beats_per_minute() * expm1 (log_tempo_ratio)) / ((end_pulse - pulse()) * _note_type);
/* compute the function constant from some later tempo section, given tempo (quarter notes/min.) and distance (in frames) from session origin */
double
-TempoSection::compute_c_func_frame (const double& end_bpm, const framepos_t& end_frame, const framecnt_t& frame_rate) const
-{
- return c_func (end_bpm, frame_to_minute (end_frame - frame(), frame_rate));
-}
-
-framepos_t
-TempoSection::minute_to_frame (const double& time, const framecnt_t& frame_rate) const
-{
- return (framepos_t) floor ((time * 60.0 * frame_rate) + 0.5);
-}
-
-double
-TempoSection::frame_to_minute (const framepos_t& frame, const framecnt_t& frame_rate) const
+TempoSection::compute_c_func_minute (const double& end_bpm, const double& end_minute) const
{
- return (frame / (double) frame_rate) / 60.0;
+ return c_func (end_bpm, end_minute - minute());
}
/* position function */
double
TempoSection::_pulse_at_tempo (const double& tempo) const
{
- return (tempo - beats_per_minute()) / (_c_func * _note_type);
+ return ((tempo - beats_per_minute()) / _c_func) / _note_type;
}
/* tempo in bpm at pulse */
const string MeterSection::xml_state_node_name = "Meter";
-MeterSection::MeterSection (const XMLNode& node)
- : MetricSection (0.0, 0, MusicTime, false), Meter (TempoMap::default_meter())
+MeterSection::MeterSection (const XMLNode& node, const framecnt_t sample_rate)
+ : MetricSection (0.0, 0, MusicTime, false, sample_rate), Meter (TempoMap::default_meter())
{
XMLProperty const * prop;
LocaleGuard lg;
double beat = 0.0;
framepos_t frame = 0;
pair<double, BBT_Time> start;
+ double minute = 0.0;
if ((prop = node.property ("start")) != 0) {
if (sscanf (prop->value().c_str(), "%" PRIu32 "|%" PRIu32 "|%" PRIu32,
if (sscanf (prop->value().c_str(), "%li", &frame) != 1) {
error << _("MeterSection XML node has an illegal \"frame\" value") << endmsg;
} else {
- set_frame (frame);
+ set_minute (minute_at_frame (frame));
+ }
+ }
+ if ((prop = node.property ("minute")) != 0) {
+ if (sscanf (prop->value().c_str(), "%lf", &minute) != 1) {
+ error << _("MeterSection XML node has an illegal \"frame\" value") << endmsg;
+ } else {
+ set_minute (minute);
}
}
root->add_property ("note-type", buf);
snprintf (buf, sizeof (buf), "%li", frame());
root->add_property ("frame", buf);
+ snprintf (buf, sizeof (buf), "%lf", minute());
+ root->add_property ("minute", buf);
root->add_property ("lock-style", enum_2_string (position_lock_style()));
snprintf (buf, sizeof (buf), "%lf", _divisions_per_bar);
root->add_property ("divisions-per-bar", buf);
_frame_rate = fr;
BBT_Time start (1, 1, 0);
- TempoSection *t = new TempoSection (0.0, 0, _default_tempo.beats_per_minute(), _default_tempo.note_type(), TempoSection::Ramp, AudioTime);
- MeterSection *m = new MeterSection (0.0, 0, 0.0, start, _default_meter.divisions_per_bar(), _default_meter.note_divisor(), AudioTime);
+ TempoSection *t = new TempoSection (0.0, 0.0, _default_tempo.beats_per_minute(), _default_tempo.note_type(), TempoSection::Ramp, AudioTime, fr);
+ MeterSection *m = new MeterSection (0.0, 0.0, 0.0, start, _default_meter.divisions_per_bar(), _default_meter.note_divisor(), AudioTime, fr);
t->set_movable (false);
m->set_movable (false);
_metrics.clear();
}
+framepos_t
+TempoMap::frame_at_minute (const double time) const
+{
+ return (framepos_t) floor ((time * 60.0 * _frame_rate) + 0.5);
+}
+
+double
+TempoMap::minute_at_frame (const framepos_t frame) const
+{
+ return (frame / (double) _frame_rate) / 60.0;
+}
+
void
TempoMap::remove_tempo (const TempoSection& tempo, bool complete_operation)
{
//dump (_metrics, std::cout);
}
}
-
+/* user supplies the exact pulse if pls == MusicTime */
TempoSection*
TempoMap::add_tempo (const Tempo& tempo, const double& pulse, const framepos_t& frame, ARDOUR::TempoSection::Type type, PositionLockStyle pls)
{
TempoSection* ts = 0;
{
Glib::Threads::RWLock::WriterLock lm (lock);
- ts = add_tempo_locked (tempo, pulse, frame, type, pls, true);
+ ts = add_tempo_locked (tempo, pulse, minute_at_frame (frame), type, pls, true);
}
TempoSection& first (first_tempo());
if (ts.frame() != first.frame()) {
remove_tempo_locked (ts);
- add_tempo_locked (tempo, pulse, frame, type, pls, true, locked_to_meter);
+ add_tempo_locked (tempo, pulse, minute_at_frame (frame), type, pls, true, locked_to_meter);
} else {
first.set_type (type);
first.set_pulse (0.0);
- first.set_frame (frame);
+ first.set_minute (minute_at_frame (frame));
first.set_position_lock_style (AudioTime);
{
/* cannot move the first tempo section */
}
TempoSection*
-TempoMap::add_tempo_locked (const Tempo& tempo, double pulse, framepos_t frame
+TempoMap::add_tempo_locked (const Tempo& tempo, double pulse, double minute
, TempoSection::Type type, PositionLockStyle pls, bool recompute, bool locked_to_meter)
{
- TempoSection* t = new TempoSection (pulse, frame, tempo.beats_per_minute(), tempo.note_type(), type, pls);
+ TempoSection* t = new TempoSection (pulse, minute, tempo.beats_per_minute(), tempo.note_type(), type, pls, _frame_rate);
t->set_locked_to_meter (locked_to_meter);
bool solved = false;
if (recompute) {
if (pls == AudioTime) {
- solved = solve_map_frame (_metrics, t, t->frame());
+ solved = solve_map_minute (_metrics, t, t->minute());
} else {
solved = solve_map_pulse (_metrics, t, t->pulse());
}
}
MeterSection*
-TempoMap::add_meter (const Meter& meter, const double& beat, const Timecode::BBT_Time& where, const framepos_t& frame, PositionLockStyle pls)
+TempoMap::add_meter (const Meter& meter, const double& beat, const Timecode::BBT_Time& where, PositionLockStyle pls)
{
MeterSection* m = 0;
{
Glib::Threads::RWLock::WriterLock lm (lock);
- m = add_meter_locked (meter, beat, where, frame, pls, true);
+ m = add_meter_locked (meter, beat, where, pls, true);
}
}
void
-TempoMap::replace_meter (const MeterSection& ms, const Meter& meter, const BBT_Time& where, const framepos_t& frame, PositionLockStyle pls)
+TempoMap::replace_meter (const MeterSection& ms, const Meter& meter, const BBT_Time& where, PositionLockStyle pls)
{
{
Glib::Threads::RWLock::WriterLock lm (lock);
if (ms.movable()) {
remove_meter_locked (ms);
- add_meter_locked (meter, beat, where, frame, pls, true);
+ add_meter_locked (meter, beat, where, pls, true);
} else {
MeterSection& first (first_meter());
TempoSection& first_t (first_tempo());
*static_cast<Meter*>(&first) = meter;
first.set_position_lock_style (AudioTime);
first.set_pulse (0.0);
- first.set_frame (frame);
+ //first.set_minute (minute_at_frame (frame));
pair<double, BBT_Time> beat = make_pair (0.0, BBT_Time (1, 1, 0));
first.set_beat (beat);
- first_t.set_frame (first.frame());
+ first_t.set_minute (first.minute());
first_t.set_pulse (0.0);
first_t.set_position_lock_style (AudioTime);
recompute_map (_metrics);
}
MeterSection*
-TempoMap::add_meter_locked (const Meter& meter, double beat, const BBT_Time& where, framepos_t frame, PositionLockStyle pls, bool recompute)
+TempoMap::add_meter_locked (const Meter& meter, double beat, const BBT_Time& where, PositionLockStyle pls, bool recompute)
{
- const MeterSection& prev_m = meter_section_at_frame_locked (_metrics, frame - 1);
+ const MeterSection& prev_m = meter_section_at_minute_locked (_metrics, minute_at_beat_locked (_metrics, beat) - minute_at_frame (1));
const double pulse = ((where.bars - prev_m.bbt().bars) * (prev_m.divisions_per_bar() / prev_m.note_divisor())) + prev_m.pulse();
+ const double time_minutes = minute_at_pulse_locked (_metrics, pulse);
TempoSection* mlt = 0;
if (pls == AudioTime) {
/* add meter-locked tempo */
- mlt = add_tempo_locked (tempo_at_frame_locked (_metrics, frame), pulse, frame, TempoSection::Ramp, AudioTime, true, true);
+ mlt = add_tempo_locked (tempo_at_minute_locked (_metrics, time_minutes), pulse, time_minutes, TempoSection::Ramp, AudioTime, true, true);
if (!mlt) {
return 0;
}
- MeterSection* new_meter = new MeterSection (pulse, frame, beat, where, meter.divisions_per_bar(), meter.note_divisor(), pls);
+ MeterSection* new_meter = new MeterSection (pulse, time_minutes, beat, where, meter.divisions_per_bar(), meter.note_divisor(), pls, _frame_rate);
bool solved = false;
do_insert (new_meter);
if (recompute) {
if (pls == AudioTime) {
- solved = solve_map_frame (_metrics, new_meter, frame);
+ solved = solve_map_minute (_metrics, new_meter, time_minutes);
} else {
solved = solve_map_bbt (_metrics, new_meter, where);
/* required due to resetting the pulse of meter-locked tempi above.
}
if (prev_t) {
if (t->position_lock_style() == AudioTime) {
- prev_t->set_c_func (prev_t->compute_c_func_frame (t->beats_per_minute(), t->frame(), _frame_rate));
+ prev_t->set_c_func (prev_t->compute_c_func_minute (t->beats_per_minute(), t->minute()));
if (!t->locked_to_meter()) {
- t->set_pulse (prev_t->pulse_at_tempo (t->beats_per_minute(), t->frame(), _frame_rate));
+ t->set_pulse (prev_t->pulse_at_tempo (t->beats_per_minute(), t->minute()));
}
} else {
- prev_t->set_c_func (prev_t->compute_c_func_pulse (t->beats_per_minute(), t->pulse(), _frame_rate));
- t->set_frame (prev_t->frame_at_tempo (t->beats_per_minute(), t->pulse(), _frame_rate));
+ prev_t->set_c_func (prev_t->compute_c_func_pulse (t->beats_per_minute(), t->pulse()));
+ t->set_minute (prev_t->minute_at_tempo (t->beats_per_minute(), t->pulse()));
}
}
meter->set_beat (b_bbt);
meter->set_pulse (pulse);
- meter->set_frame (frame_at_pulse_locked (metrics, pulse));
+ meter->set_minute (minute_at_pulse_locked (metrics, pulse));
}
prev_m = meter;
{
/* CALLER MUST HOLD WRITE LOCK */
- if (end < 0) {
-
- /* we will actually stop once we hit
- the last metric.
- */
- end = max_framepos;
-
- }
-
DEBUG_TRACE (DEBUG::TempoMath, string_compose ("recomputing tempo map, zero to %1\n", end));
if (end == 0) {
TempoMap::beat_at_frame (const framecnt_t& frame) const
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return beat_at_frame_locked (_metrics, frame);
+
+ return beat_at_minute_locked (_metrics, minute_at_frame (frame));
}
/* This function uses both tempo and meter.*/
double
-TempoMap::beat_at_frame_locked (const Metrics& metrics, const framecnt_t& frame) const
+TempoMap::beat_at_minute_locked (const Metrics& metrics, const double& minute) const
{
- const TempoSection& ts = tempo_section_at_frame_locked (metrics, frame);
+ const TempoSection& ts = tempo_section_at_minute_locked (metrics, minute);
MeterSection* prev_m = 0;
MeterSection* next_m = 0;
for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
if (!(*i)->is_tempo()) {
- if (prev_m && (*i)->frame() > frame) {
+ if (prev_m && (*i)->minute() > minute) {
next_m = static_cast<MeterSection*> (*i);
break;
}
}
}
- const double beat = prev_m->beat() + (ts.pulse_at_frame (frame, _frame_rate) - prev_m->pulse()) * prev_m->note_divisor();
+ const double beat = prev_m->beat() + (ts.pulse_at_minute (minute) - prev_m->pulse()) * prev_m->note_divisor();
/* audio locked meters fake their beat */
if (next_m && next_m->beat() < beat) {
TempoMap::frame_at_beat (const double& beat) const
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return frame_at_beat_locked (_metrics, beat);
+
+ return frame_at_minute (minute_at_beat_locked (_metrics, beat));
}
/* meter & tempo section based */
-framepos_t
-TempoMap::frame_at_beat_locked (const Metrics& metrics, const double& beat) const
+double
+TempoMap::minute_at_beat_locked (const Metrics& metrics, const double& beat) const
{
MeterSection* prev_m = 0;
TempoSection* prev_t = 0;
}
- return prev_t->frame_at_pulse (((beat - prev_m->beat()) / prev_m->note_divisor()) + prev_m->pulse(), _frame_rate);
+ return prev_t->minute_at_pulse (((beat - prev_m->beat()) / prev_m->note_divisor()) + prev_m->pulse());
}
Tempo
TempoMap::tempo_at_frame (const framepos_t& frame) const
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return tempo_at_frame_locked (_metrics, frame);
+
+ return tempo_at_minute_locked (_metrics, minute_at_frame (frame));
}
Tempo
-TempoMap::tempo_at_frame_locked (const Metrics& metrics, const framepos_t& frame) const
+TempoMap::tempo_at_minute_locked (const Metrics& metrics, const double& minute) const
{
TempoSection* prev_t = 0;
TempoSection* t;
- for (Metrics::const_iterator i = _metrics.begin(); i != _metrics.end(); ++i) {
+ for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
if ((*i)->is_tempo()) {
t = static_cast<TempoSection*> (*i);
if (!t->active()) {
continue;
}
- if ((prev_t) && t->frame() > frame) {
+ if ((prev_t) && t->minute() > minute) {
/* t is the section past frame */
- const double ret_bpm = prev_t->tempo_at_frame (frame, _frame_rate);
+ const double ret_bpm = prev_t->tempo_at_minute (minute);
const Tempo ret_tempo (ret_bpm, prev_t->note_type());
return ret_tempo;
}
TempoMap::frame_at_tempo (const Tempo& tempo) const
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return frame_at_tempo_locked (_metrics, tempo);
+
+ return frame_at_minute (minute_at_tempo_locked (_metrics, tempo));
}
+double
+TempoMap::minute_at_tempo_locked (const Metrics& metrics, const Tempo& tempo) const
+{
+ TempoSection* prev_t = 0;
+ const double tempo_bpm = tempo.beats_per_minute();
+
+ Metrics::const_iterator i;
-framepos_t
-TempoMap::frame_at_tempo_locked (const Metrics& metrics, const Tempo& tempo) const
+ for (i = metrics.begin(); i != metrics.end(); ++i) {
+ TempoSection* t;
+ if ((*i)->is_tempo()) {
+ t = static_cast<TempoSection*> (*i);
+
+ if (!t->active()) {
+ continue;
+ }
+
+ const double t_bpm = t->beats_per_minute();
+
+ if (t_bpm == tempo_bpm) {
+ return t->minute();
+ }
+
+ if (prev_t) {
+ const double prev_t_bpm = prev_t->beats_per_minute();
+
+ if ((t_bpm > tempo_bpm && prev_t_bpm < tempo_bpm) || (t_bpm < tempo_bpm && prev_t_bpm > tempo_bpm)) {
+ return prev_t->minute_at_tempo (tempo_bpm, prev_t->pulse());
+ }
+ }
+ prev_t = t;
+ }
+ }
+
+ return prev_t->minute();
+}
+
+Tempo
+TempoMap::tempo_at_pulse_locked (const Metrics& metrics, const double& pulse) const
+{
+ TempoSection* prev_t = 0;
+
+ TempoSection* t;
+
+ for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
+ if ((*i)->is_tempo()) {
+ t = static_cast<TempoSection*> (*i);
+ if (!t->active()) {
+ continue;
+ }
+ if ((prev_t) && t->pulse() > pulse) {
+ /* t is the section past frame */
+ const double ret_bpm = prev_t->tempo_at_pulse (pulse);
+ const Tempo ret_tempo (ret_bpm, prev_t->note_type());
+ return ret_tempo;
+ }
+ prev_t = t;
+ }
+ }
+
+ const double ret = prev_t->beats_per_minute();
+ const Tempo ret_tempo (ret, prev_t->note_type ());
+
+ return ret_tempo;
+}
+
+double
+TempoMap::pulse_at_tempo_locked (const Metrics& metrics, const Tempo& tempo) const
{
TempoSection* prev_t = 0;
- const double tempo_ppm = tempo.beats_per_minute();
+ const double tempo_bpm = tempo.beats_per_minute();
Metrics::const_iterator i;
- for (i = _metrics.begin(); i != _metrics.end(); ++i) {
+ for (i = metrics.begin(); i != metrics.end(); ++i) {
TempoSection* t;
if ((*i)->is_tempo()) {
t = static_cast<TempoSection*> (*i);
continue;
}
- const double t_ppm = t->beats_per_minute();
+ const double t_bpm = t->beats_per_minute();
- if (t_ppm == tempo_ppm) {
- return t->frame();
+ if (t_bpm == tempo_bpm) {
+ return t->pulse();
}
if (prev_t) {
- const double prev_t_ppm = prev_t->beats_per_minute();
+ const double prev_t_bpm = prev_t->beats_per_minute();
- if ((t_ppm > tempo_ppm && prev_t_ppm < tempo_ppm) || (t_ppm < tempo_ppm && prev_t_ppm > tempo_ppm)) {
- return prev_t->frame_at_tempo (tempo_ppm, prev_t->pulse(), _frame_rate);
+ if ((t_bpm > tempo_bpm && prev_t_bpm < tempo_bpm) || (t_bpm < tempo_bpm && prev_t_bpm > tempo_bpm)) {
+ return prev_t->pulse_at_tempo (tempo_bpm, prev_t->minute());
}
}
prev_t = t;
}
}
- return prev_t->frame();
+ return prev_t->minute();
}
/** more precise than doing tempo_at_frame (frame_at_beat (b)),
return Tempo (prev_t->tempo_at_pulse (((beat - prev_m->beat()) / prev_m->note_divisor()) + prev_m->pulse()), prev_t->note_type());
}
+double
+TempoMap::beat_at_tempo (const Tempo& tempo) const
+{
+ Glib::Threads::RWLock::ReaderLock lm (lock);
+ const double pulse = pulse_at_tempo_locked (_metrics, tempo);
+
+ return beat_at_pulse_locked (_metrics, pulse);
+}
+
double
TempoMap::pulse_at_beat (const double& beat) const
{
TempoMap::pulse_at_frame (const framepos_t& frame) const
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return pulse_at_frame_locked (_metrics, frame);
+ return pulse_at_minute_locked (_metrics, minute_at_frame (frame));
}
/* tempo section based */
double
-TempoMap::pulse_at_frame_locked (const Metrics& metrics, const framepos_t& frame) const
+TempoMap::pulse_at_minute_locked (const Metrics& metrics, const double& minute) const
{
/* HOLD (at least) THE READER LOCK */
TempoSection* prev_t = 0;
if (!t->active()) {
continue;
}
- if (prev_t && t->frame() > frame) {
+ if (prev_t && t->minute() > minute) {
/*the previous ts is the one containing the frame */
- const double ret = prev_t->pulse_at_frame (frame, _frame_rate);
+ const double ret = prev_t->pulse_at_minute (minute);
/* audio locked section in new meter*/
if (t->pulse() < ret) {
return t->pulse();
}
/* treated as constant for this ts */
- const double pulses_in_section = (frame - prev_t->frame()) / prev_t->frames_per_pulse (_frame_rate);
+ const double pulses_in_section = ((minute - prev_t->minute()) * prev_t->beats_per_minute()) / prev_t->note_type();
return pulses_in_section + prev_t->pulse();
}
TempoMap::frame_at_pulse (const double& pulse) const
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return frame_at_pulse_locked (_metrics, pulse);
+
+ return frame_at_minute (minute_at_pulse_locked (_metrics, pulse));
}
/* tempo section based */
-framepos_t
-TempoMap::frame_at_pulse_locked (const Metrics& metrics, const double& pulse) const
+double
+TempoMap::minute_at_pulse_locked (const Metrics& metrics, const double& pulse) const
{
/* HOLD THE READER LOCK */
continue;
}
if (prev_t && t->pulse() > pulse) {
- return prev_t->frame_at_pulse (pulse, _frame_rate);
+ return prev_t->minute_at_pulse (pulse);
}
prev_t = t;
}
}
/* must be treated as constant, irrespective of _type */
- double const dtime = (pulse - prev_t->pulse()) * prev_t->frames_per_pulse (_frame_rate);
+ double const dtime = ((pulse - prev_t->pulse()) * prev_t->note_type()) / prev_t->beats_per_minute();
- return (framepos_t) floor (dtime) + prev_t->frame();
+ return dtime + prev_t->minute();
}
double
}
Glib::Threads::RWLock::ReaderLock lm (lock);
- return bbt_at_frame_locked (_metrics, frame);
+ return bbt_at_minute_locked (_metrics, minute_at_frame (frame));
}
BBT_Time
throw std::logic_error ("TempoMap::bbt_at_frame_rt() could not lock tempo map");
}
- return bbt_at_frame_locked (_metrics, frame);
+ return bbt_at_minute_locked (_metrics, minute_at_frame (frame));
}
Timecode::BBT_Time
-TempoMap::bbt_at_frame_locked (const Metrics& metrics, const framepos_t& frame) const
+TempoMap::bbt_at_minute_locked (const Metrics& metrics, const double& minute) const
{
- if (frame < 0) {
+ if (minute < 0) {
BBT_Time bbt;
bbt.bars = 1;
bbt.beats = 1;
return bbt;
}
- const TempoSection& ts = tempo_section_at_frame_locked (metrics, frame);
+ const TempoSection& ts = tempo_section_at_minute_locked (metrics, minute);
MeterSection* prev_m = 0;
MeterSection* next_m = 0;
for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
if (!(*i)->is_tempo()) {
m = static_cast<MeterSection*> (*i);
- if (prev_m && m->frame() > frame) {
+ if (prev_m && m->minute() > minute) {
next_m = m;
break;
}
}
}
- double beat = prev_m->beat() + (ts.pulse_at_frame (frame, _frame_rate) - prev_m->pulse()) * prev_m->note_divisor();
+ double beat = prev_m->beat() + (ts.pulse_at_minute (minute) - prev_m->pulse()) * prev_m->note_divisor();
/* handle frame before first meter */
- if (frame < prev_m->frame()) {
+ if (minute < prev_m->minute()) {
beat = 0.0;
}
/* audio locked meters fake their beat */
}
Glib::Threads::RWLock::ReaderLock lm (lock);
- return frame_at_bbt_locked (_metrics, bbt);
+ return frame_at_minute (minute_at_bbt_locked (_metrics, bbt));
}
/* meter & tempo section based */
-framepos_t
-TempoMap::frame_at_bbt_locked (const Metrics& metrics, const BBT_Time& bbt) const
+double
+TempoMap::minute_at_bbt_locked (const Metrics& metrics, const BBT_Time& bbt) const
{
/* HOLD THE READER LOCK */
- const framepos_t ret = frame_at_beat_locked (metrics, beat_at_bbt_locked (metrics, bbt));
+ const double ret = minute_at_beat_locked (metrics, beat_at_bbt_locked (metrics, bbt));
return ret;
}
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- const double ret = quarter_note_at_frame_locked (_metrics, frame);
+ const double ret = quarter_note_at_minute_locked (_metrics, minute_at_frame (frame));
return ret;
}
double
-TempoMap::quarter_note_at_frame_locked (const Metrics& metrics, const framepos_t frame) const
+TempoMap::quarter_note_at_minute_locked (const Metrics& metrics, const double minute) const
{
- const double ret = pulse_at_frame_locked (metrics, frame) * 4.0;
+ const double ret = pulse_at_minute_locked (metrics, minute) * 4.0;
return ret;
}
throw std::logic_error ("TempoMap::quarter_note_at_frame_rt() could not lock tempo map");
}
- const double ret = pulse_at_frame_locked (_metrics, frame) * 4.0;
+ const double ret = pulse_at_minute_locked (_metrics, minute_at_frame (frame)) * 4.0;
return ret;
}
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- const framepos_t ret = frame_at_quarter_note_locked (_metrics, quarter_note);
+ const framepos_t ret = frame_at_minute (minute_at_quarter_note_locked (_metrics, quarter_note));
return ret;
}
-framepos_t
-TempoMap::frame_at_quarter_note_locked (const Metrics& metrics, const double quarter_note) const
+double
+TempoMap::minute_at_quarter_note_locked (const Metrics& metrics, const double quarter_note) const
{
- const framepos_t ret = frame_at_pulse_locked (metrics, quarter_note / 4.0);
+ const double ret = minute_at_pulse_locked (metrics, quarter_note / 4.0);
return ret;
}
return ret;
}
+
double
TempoMap::beat_at_quarter_note_locked (const Metrics& metrics, const double quarter_note) const
{
- const double ret = beat_at_pulse_locked (metrics, quarter_note / 4.0);
- return ret;
+ return beat_at_pulse_locked (metrics, quarter_note / 4.0);
+}
+
+framecnt_t
+TempoMap::frames_between_quarter_notes (const double start, const double end)
+{
+ Glib::Threads::RWLock::ReaderLock lm (lock);
+
+ return frame_at_minute (minutes_between_quarter_notes_locked (_metrics, start, end));
+}
+
+double
+TempoMap::minutes_between_quarter_notes_locked (const Metrics& metrics, const double start, const double end)
+{
+
+ return minute_at_pulse_locked (metrics, end / 4.0) - minute_at_pulse_locked (metrics, start / 4.0);
}
bool
}
if (prev_t) {
/* check ordering */
- if ((t->frame() <= prev_t->frame()) || (t->pulse() <= prev_t->pulse())) {
+ if ((t->minute() <= prev_t->minute()) || (t->pulse() <= prev_t->pulse())) {
return false;
}
/* precision check ensures tempo and frames align.*/
- if (t->frame() != prev_t->frame_at_tempo (t->beats_per_minute(), t->pulse(), _frame_rate)) {
+ if (t->frame() != frame_at_minute (prev_t->minute_at_tempo (t->beats_per_minute(), t->pulse()))) {
if (!t->locked_to_meter()) {
return false;
}
if (!(*i)->is_tempo()) {
m = static_cast<MeterSection*> (*i);
if (prev_m && m->position_lock_style() == AudioTime) {
- const TempoSection* t = &tempo_section_at_frame_locked (metrics, m->frame() - 1);
- const framepos_t nascent_m_frame = t->frame_at_pulse (m->pulse(), _frame_rate);
+ const TempoSection* t = &tempo_section_at_minute_locked (metrics, minute_at_frame (m->frame() - 1));
+ const double nascent_m_minute = t->minute_at_pulse (m->pulse());
/* Here we check that a preceding section of music doesn't overlap a subsequent one.
- It is complicated by the fact that audio locked meters represent a discontinuity in the pulse
- (they place an exact pulse at a particular time expressed only in frames).
- This has the effect of shifting the calculated frame at the meter pulse (wrt the previous section of music)
- away from its actual frame (which is now the frame location of the exact pulse).
- This can result in the calculated frame (from the previous musical section)
- differing from the exact frame by one sample.
- Allow for that.
*/
- if (t && (nascent_m_frame > m->frame() + 1 || nascent_m_frame < 0)) {
+ if (t && (nascent_m_minute > m->minute() || nascent_m_minute < 0.0)) {
return false;
}
}
}
bool
-TempoMap::solve_map_frame (Metrics& imaginary, TempoSection* section, const framepos_t& frame)
+TempoMap::solve_map_minute (Metrics& imaginary, TempoSection* section, const double& minute)
{
TempoSection* prev_t = 0;
TempoSection* section_prev = 0;
- framepos_t first_m_frame = 0;
+ double first_m_minute = 0.0;
/* can't move a tempo before the first meter */
for (Metrics::iterator i = imaginary.begin(); i != imaginary.end(); ++i) {
if (!(*i)->is_tempo()) {
m = static_cast<MeterSection*> (*i);
if (!m->movable()) {
- first_m_frame = m->frame();
+ first_m_minute = m->minute();
break;
}
}
}
- if (section->movable() && frame <= first_m_frame) {
+ if (section->movable() && minute <= first_m_minute) {
return false;
}
section->set_active (true);
- section->set_frame (frame);
+ section->set_minute (minute);
for (Metrics::iterator i = imaginary.begin(); i != imaginary.end(); ++i) {
TempoSection* t;
continue;
}
if (t->position_lock_style() == MusicTime) {
- prev_t->set_c_func (prev_t->compute_c_func_pulse (t->beats_per_minute(), t->pulse(), _frame_rate));
- t->set_frame (prev_t->frame_at_pulse (t->pulse(), _frame_rate));
+ prev_t->set_c_func (prev_t->compute_c_func_pulse (t->beats_per_minute(), t->pulse()));
+ t->set_minute (prev_t->minute_at_tempo (t->beats_per_minute(), t->pulse()));
} else {
- prev_t->set_c_func (prev_t->compute_c_func_frame (t->beats_per_minute(), t->frame(), _frame_rate));
+ prev_t->set_c_func (prev_t->compute_c_func_minute (t->beats_per_minute(), t->minute()));
if (!t->locked_to_meter()) {
- t->set_pulse (prev_t->pulse_at_frame (t->frame(), _frame_rate));
+ t->set_pulse (prev_t->pulse_at_tempo (t->beats_per_minute(), t->minute()));
}
}
}
}
if (section_prev) {
- section_prev->set_c_func (section_prev->compute_c_func_frame (section->beats_per_minute(), frame, _frame_rate));
+ section_prev->set_c_func (section_prev->compute_c_func_minute (section->beats_per_minute(), minute));
if (!section->locked_to_meter()) {
- section->set_pulse (section_prev->pulse_at_frame (frame, _frame_rate));
+ section->set_pulse (section_prev->pulse_at_tempo (section->beats_per_minute(), minute));
}
}
continue;
}
if (t->position_lock_style() == MusicTime) {
- prev_t->set_c_func (prev_t->compute_c_func_pulse (t->beats_per_minute(), t->pulse(), _frame_rate));
- t->set_frame (prev_t->frame_at_pulse (t->pulse(), _frame_rate));
+ prev_t->set_c_func (prev_t->compute_c_func_pulse (t->beats_per_minute(), t->pulse()));
+ t->set_minute (prev_t->minute_at_tempo (t->beats_per_minute(), t->pulse()));
} else {
- prev_t->set_c_func (prev_t->compute_c_func_frame (t->beats_per_minute(), t->frame(), _frame_rate));
+ prev_t->set_c_func (prev_t->compute_c_func_minute (t->beats_per_minute(), t->minute()));
if (!t->locked_to_meter()) {
- t->set_pulse (prev_t->pulse_at_frame (t->frame(), _frame_rate));
+ t->set_pulse (prev_t->pulse_at_tempo (t->beats_per_minute(), t->minute()));
}
}
}
}
if (section_prev) {
- section_prev->set_c_func (section_prev->compute_c_func_pulse (section->beats_per_minute(), pulse, _frame_rate));
- section->set_frame (section_prev->frame_at_pulse (pulse, _frame_rate));
+ section_prev->set_c_func (section_prev->compute_c_func_pulse (section->beats_per_minute(), pulse));
+ section->set_minute (section_prev->minute_at_tempo (section->beats_per_minute(), pulse));
}
#if (0)
}
bool
-TempoMap::solve_map_frame (Metrics& imaginary, MeterSection* section, const framepos_t& frame)
+TempoMap::solve_map_minute (Metrics& imaginary, MeterSection* section, const double& minute)
{
/* disallow moving first meter past any subsequent one, and any movable meter before the first one */
- const MeterSection* other = &meter_section_at_frame_locked (imaginary, frame);
- if ((!section->movable() && other->movable()) || (!other->movable() && section->movable() && other->frame() >= frame)) {
+ const MeterSection* other = &meter_section_at_minute_locked (imaginary, minute);
+ if ((!section->movable() && other->movable()) || (!other->movable() && section->movable() && other->minute() >= minute)) {
return false;
}
if (!section->movable()) {
/* lock the first tempo to our first meter */
- if (!set_active_tempos (imaginary, frame)) {
+ if (!set_active_tempos (imaginary, section->frame_at_minute (minute))) {
return false;
}
}
TempoSection* t;
if ((*ii)->is_tempo()) {
t = static_cast<TempoSection*> (*ii);
- if ((t->locked_to_meter() || !t->movable()) && t->frame() == section->frame()) {
+ if ((t->locked_to_meter() || !t->movable()) && t->minute() == section->minute()) {
meter_locked_tempo = t;
break;
}
m = static_cast<MeterSection*> (*i);
if (m == section){
if (prev_m && section->movable()) {
- const double beats = (pulse_at_frame_locked (imaginary, frame) - prev_m->pulse()) * prev_m->note_divisor();
+ const double beats = (pulse_at_minute_locked (imaginary, minute) - prev_m->pulse()) * prev_m->note_divisor();
if (beats + prev_m->beat() < section->beat()) {
- /* set the frame/pulse corresponding to its musical position,
+ /* set the section pulse according to its musical position,
* as an earlier time than this has been requested.
*/
const double new_pulse = ((section->beat() - prev_m->beat())
/ prev_m->note_divisor()) + prev_m->pulse();
- const framepos_t smallest_frame = frame_at_pulse_locked (future_map, new_pulse);
-
- if ((solved = solve_map_frame (future_map, tempo_copy, smallest_frame))) {
- meter_locked_tempo->set_pulse (new_pulse);
- solve_map_frame (imaginary, meter_locked_tempo, smallest_frame);
- section->set_frame (smallest_frame);
+ tempo_copy->set_position_lock_style (MusicTime);
+ if ((solved = solve_map_pulse (future_map, tempo_copy, new_pulse))) {
+ meter_locked_tempo->set_position_lock_style (MusicTime);
+ section->set_position_lock_style (MusicTime);
section->set_pulse (new_pulse);
+ solve_map_pulse (imaginary, meter_locked_tempo, new_pulse);
+ meter_locked_tempo->set_position_lock_style (AudioTime);
+ section->set_position_lock_style (AudioTime);
+ section->set_minute (meter_locked_tempo->minute());
+
} else {
solved = false;
}
possibly disallowed if there is an adjacent audio-locked tempo.
XX this check could possibly go. its never actually happened here.
*/
- MeterSection* meter_copy = const_cast<MeterSection*> (&meter_section_at_frame_locked (future_map, section->frame()));
- meter_copy->set_frame (frame);
+ MeterSection* meter_copy = const_cast<MeterSection*>
+ (&meter_section_at_minute_locked (future_map, section->minute()));
- if ((solved = solve_map_frame (future_map, tempo_copy, frame))) {
- section->set_frame (frame);
+ meter_copy->set_minute (minute);
+
+ if ((solved = solve_map_minute (future_map, tempo_copy, minute))) {
+ section->set_minute (minute);
meter_locked_tempo->set_pulse (((section->beat() - prev_m->beat())
/ prev_m->note_divisor()) + prev_m->pulse());
- solve_map_frame (imaginary, meter_locked_tempo, frame);
+ solve_map_minute (imaginary, meter_locked_tempo, minute);
} else {
solved = false;
}
} else {
/* not movable (first meter atm) */
- tempo_copy->set_frame (frame);
+ tempo_copy->set_minute (minute);
tempo_copy->set_pulse (0.0);
- if ((solved = solve_map_frame (future_map, tempo_copy, frame))) {
- section->set_frame (frame);
- meter_locked_tempo->set_frame (frame);
+ if ((solved = solve_map_minute (future_map, tempo_copy, minute))) {
+ section->set_minute (minute);
+ meter_locked_tempo->set_minute (minute);
meter_locked_tempo->set_pulse (0.0);
- solve_map_frame (imaginary, meter_locked_tempo, frame);
+ solve_map_minute (imaginary, meter_locked_tempo, minute);
} else {
solved = false;
}
section->set_beat (b_bbt);
section->set_pulse (pulse);
- section->set_frame (frame_at_pulse_locked (imaginary, pulse));
+ section->set_minute (minute_at_pulse_locked (imaginary, pulse));
prev_m = section;
continue;
}
new_pulse = (beats / prev_m->note_divisor()) + prev_m->pulse();
m->set_beat (b_bbt);
m->set_pulse (new_pulse);
- m->set_frame (frame_at_pulse_locked (imaginary, new_pulse));
+ m->set_minute (minute_at_pulse_locked (imaginary, new_pulse));
}
prev_m = m;
section->set_beat (b_bbt);
section->set_pulse (pulse);
- section->set_frame (frame_at_pulse_locked (imaginary, pulse));
+ section->set_minute (minute_at_pulse_locked (imaginary, pulse));
}
MetricSectionSorter cmp;
tempo_copy->set_position_lock_style (AudioTime);
- if (solve_map_frame (future_map, tempo_copy, frame)) {
+ if (solve_map_minute (future_map, tempo_copy, minute_at_frame (frame))) {
const double beat = exact_beat_at_frame_locked (future_map, frame, sub_num);
const double pulse = pulse_at_beat_locked (future_map, beat);
Glib::Threads::RWLock::WriterLock lm (lock);
TempoSection* tempo_copy = copy_metrics_and_point (_metrics, future_map, ts);
- if (solve_map_frame (future_map, tempo_copy, frame)) {
+ if (solve_map_minute (future_map, tempo_copy, minute_at_frame (frame))) {
if (sub_num != 0) {
/* We're moving the object that defines the grid while snapping to it...
* Placing the ts at the beat corresponding to the requested frame may shift the
recompute_meters (_metrics);
}
} else {
- solve_map_frame (_metrics, ts, frame);
+ solve_map_minute (_metrics, ts, minute_at_frame (frame));
recompute_meters (_metrics);
}
}
Glib::Threads::RWLock::WriterLock lm (lock);
MeterSection* copy = copy_metrics_and_point (_metrics, future_map, ms);
- if (solve_map_frame (future_map, copy, frame)) {
- solve_map_frame (_metrics, ms, frame);
+ if (solve_map_minute (future_map, copy, minute_at_frame (frame))) {
+ solve_map_minute (_metrics, ms, minute_at_frame (frame));
recompute_tempi (_metrics);
}
}
Glib::Threads::RWLock::WriterLock lm (lock);
MeterSection* copy = copy_metrics_and_point (_metrics, future_map, ms);
- const double beat = beat_at_frame_locked (_metrics, frame);
+ const double beat = beat_at_minute_locked (_metrics, minute_at_frame (frame));
const Timecode::BBT_Time bbt = bbt_at_beat_locked (_metrics, beat);
if (solve_map_bbt (future_map, copy, bbt)) {
const frameoffset_t fr_off = end_frame - frame;
if (prev_t && prev_t->pulse() > 0.0) {
- prev_to_prev_t = const_cast<TempoSection*>(&tempo_section_at_frame_locked (future_map, prev_t->frame() - 1));
+ prev_to_prev_t = const_cast<TempoSection*>(&tempo_section_at_minute_locked (future_map, minute_at_frame (prev_t->frame() - 1)));
}
TempoSection* next_t = 0;
const frameoffset_t prev_t_frame_contribution = fr_off - (contribution * (double) fr_off);
- const double start_pulse = prev_t->pulse_at_frame (frame, _frame_rate);
- const double end_pulse = prev_t->pulse_at_frame (end_frame, _frame_rate);
+ const double start_pulse = prev_t->pulse_at_frame (frame);
+ const double end_pulse = prev_t->pulse_at_frame (end_frame);
double new_bpm;
double frame_ratio = 1.0;
double pulse_ratio = 1.0;
- const framepos_t pulse_pos = prev_t->frame_at_pulse (pulse, _frame_rate);
+ const double pulse_pos = prev_t->frame_at_pulse (pulse);
if (prev_to_prev_t) {
if (pulse_pos > prev_to_prev_t->frame() + min_dframe && (pulse_pos - fr_off) > prev_to_prev_t->frame() + min_dframe) {
double
TempoMap::exact_qn_at_frame_locked (const Metrics& metrics, const framepos_t& frame, const int32_t sub_num)
{
- double qn = quarter_note_at_frame_locked (metrics, frame);
+ double qn = quarter_note_at_minute_locked (metrics, minute_at_frame (frame));
if (sub_num > 1) {
qn = floor (qn) + (floor (((qn - floor (qn)) * (double) sub_num) + 0.5) / sub_num);
} else if (sub_num == 1) {
/* the gui requested exact musical (BBT) beat */
- qn = quarter_note_at_beat_locked (metrics, floor (beat_at_frame_locked (metrics, frame) + 0.5));
+ qn = quarter_note_at_beat_locked (metrics, floor (beat_at_minute_locked (metrics, minute_at_frame (frame)) + 0.5));
} else if (sub_num == -1) {
/* snap to bar */
Timecode::BBT_Time bbt = bbt_at_pulse_locked (metrics, qn / 4.0);
bbt.beats = 1;
bbt.ticks = 0;
- const double prev_b = pulse_at_bbt_locked (_metrics, bbt) * 4.0;
+ const double prev_b = pulse_at_bbt_locked (metrics, bbt) * 4.0;
++bbt.bars;
- const double next_b = pulse_at_bbt_locked (_metrics, bbt) * 4.0;
+ const double next_b = pulse_at_bbt_locked (metrics, bbt) * 4.0;
if ((qn - prev_b) > (next_b - prev_b) / 2.0) {
qn = next_b;
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- BBT_Time pos_bbt = bbt_at_frame_locked (_metrics, pos);
- const framecnt_t offset = frame_at_bbt_locked (_metrics, pos_bbt);
- const double divisions = meter_section_at_frame_locked (_metrics, pos).divisions_per_bar();
+ BBT_Time pos_bbt = bbt_at_minute_locked (_metrics, minute_at_frame (pos));
+ const framecnt_t offset = frame_at_minute (minute_at_bbt_locked (_metrics, pos_bbt));
+ const double divisions = meter_section_at_minute_locked (_metrics, minute_at_frame (pos)).divisions_per_bar();
if (dir > 0) {
pos_bbt.bars += bbt.bars;
pos_bbt.beats -= divisions;
}
- return frame_at_bbt_locked (_metrics, pos_bbt) - offset;
+ return frame_at_minute (minute_at_bbt_locked (_metrics, pos_bbt)) - offset;
} else {
pos_bbt.bars -= bbt.bars;
pos_bbt.beats -= bbt.beats;
}
- return offset - frame_at_bbt_locked (_metrics, pos_bbt);
+ return offset - frame_at_minute (minute_at_bbt_locked (_metrics, pos_bbt));
}
return 0;
TempoMap::round_to_beat_subdivision (framepos_t fr, int sub_num, RoundMode dir)
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- uint32_t ticks = (uint32_t) floor (max (0.0, beat_at_frame_locked (_metrics, fr)) * BBT_Time::ticks_per_beat);
+ uint32_t ticks = (uint32_t) floor (max (0.0, beat_at_minute_locked (_metrics, minute_at_frame (fr))) * BBT_Time::ticks_per_beat);
uint32_t beats = (uint32_t) floor (ticks / BBT_Time::ticks_per_beat);
uint32_t ticks_one_subdivisions_worth = (uint32_t) BBT_Time::ticks_per_beat / sub_num;
}
}
- const framepos_t ret_frame = frame_at_beat_locked (_metrics, beats + (ticks / BBT_Time::ticks_per_beat));
+ const framepos_t ret_frame = frame_at_minute (minute_at_beat_locked (_metrics, beats + (ticks / BBT_Time::ticks_per_beat)));
return ret_frame;
}
TempoMap::round_to_quarter_note_subdivision (framepos_t fr, int sub_num, RoundMode dir)
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- uint32_t ticks = (uint32_t) floor (max (0.0, quarter_note_at_frame_locked (_metrics, fr)) * BBT_Time::ticks_per_beat);
+ uint32_t ticks = (uint32_t) floor (max (0.0, quarter_note_at_minute_locked (_metrics, minute_at_frame (fr))) * BBT_Time::ticks_per_beat);
uint32_t beats = (uint32_t) floor (ticks / BBT_Time::ticks_per_beat);
uint32_t ticks_one_subdivisions_worth = (uint32_t) BBT_Time::ticks_per_beat / sub_num;
}
}
- const framepos_t ret_frame = frame_at_quarter_note_locked (_metrics, beats + (ticks / BBT_Time::ticks_per_beat));
+ const framepos_t ret_frame = frame_at_minute (minute_at_quarter_note_locked (_metrics, beats + (ticks / BBT_Time::ticks_per_beat)));
return ret_frame;
}
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- const double beat_at_framepos = max (0.0, beat_at_frame_locked (_metrics, frame));
+ const double beat_at_framepos = max (0.0, beat_at_minute_locked (_metrics, minute_at_frame (frame)));
BBT_Time bbt (bbt_at_beat_locked (_metrics, beat_at_framepos));
switch (type) {
/* find bar previous to 'frame' */
bbt.beats = 1;
bbt.ticks = 0;
- return frame_at_bbt_locked (_metrics, bbt);
+ return frame_at_minute (minute_at_bbt_locked (_metrics, bbt));
} else if (dir > 0) {
/* find bar following 'frame' */
++bbt.bars;
bbt.beats = 1;
bbt.ticks = 0;
- return frame_at_bbt_locked (_metrics, bbt);
+ return frame_at_minute (minute_at_bbt_locked (_metrics, bbt));
} else {
/* true rounding: find nearest bar */
- framepos_t raw_ft = frame_at_bbt_locked (_metrics, bbt);
+ framepos_t raw_ft = frame_at_minute (minute_at_bbt_locked (_metrics, bbt));
bbt.beats = 1;
bbt.ticks = 0;
- framepos_t prev_ft = frame_at_bbt_locked (_metrics, bbt);
+ framepos_t prev_ft = frame_at_minute (minute_at_bbt_locked (_metrics, bbt));
++bbt.bars;
- framepos_t next_ft = frame_at_bbt_locked (_metrics, bbt);
+ framepos_t next_ft = frame_at_minute (minute_at_bbt_locked (_metrics, bbt));
if ((raw_ft - prev_ft) > (next_ft - prev_ft) / 2) {
return next_ft;
case Beat:
if (dir < 0) {
- return frame_at_beat_locked (_metrics, floor (beat_at_framepos));
+ return frame_at_minute (minute_at_beat_locked (_metrics, floor (beat_at_framepos)));
} else if (dir > 0) {
- return frame_at_beat_locked (_metrics, ceil (beat_at_framepos));
+ return frame_at_minute (minute_at_beat_locked (_metrics, ceil (beat_at_framepos)));
} else {
- return frame_at_beat_locked (_metrics, floor (beat_at_framepos + 0.5));
+ return frame_at_minute (minute_at_beat_locked (_metrics, floor (beat_at_framepos + 0.5)));
}
break;
}
framepos_t lower, framepos_t upper, uint32_t bar_mod)
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- int32_t cnt = ceil (beat_at_frame_locked (_metrics, lower));
+ int32_t cnt = ceil (beat_at_minute_locked (_metrics, minute_at_frame (lower)));
framecnt_t pos = 0;
/* although the map handles negative beats, bbt doesn't. */
if (cnt < 0.0) {
cnt = 0.0;
}
- if (frame_at_beat_locked (_metrics, cnt) >= upper) {
+ if (minute_at_beat_locked (_metrics, cnt) >= minute_at_frame (upper)) {
return;
}
if (bar_mod == 0) {
while (pos >= 0 && pos < upper) {
- pos = frame_at_beat_locked (_metrics, cnt);
- const TempoSection tempo = tempo_section_at_frame_locked (_metrics, pos);
- const MeterSection meter = meter_section_at_frame_locked (_metrics, pos);
+ pos = frame_at_minute (minute_at_beat_locked (_metrics, cnt));
+ const TempoSection tempo = tempo_section_at_minute_locked (_metrics, minute_at_frame (pos));
+ const MeterSection meter = meter_section_at_minute_locked (_metrics, minute_at_frame (pos));
const BBT_Time bbt = bbt_at_beat_locked (_metrics, cnt);
- points.push_back (BBTPoint (meter, tempo_at_frame_locked (_metrics, pos), pos, bbt.bars, bbt.beats, tempo.c_func()));
+ points.push_back (BBTPoint (meter, tempo_at_minute_locked (_metrics, minute_at_frame (pos)), pos, bbt.bars, bbt.beats, tempo.c_func()));
++cnt;
}
} else {
- BBT_Time bbt = bbt_at_frame_locked (_metrics, lower);
+ BBT_Time bbt = bbt_at_minute_locked (_metrics, minute_at_frame (lower));
bbt.beats = 1;
bbt.ticks = 0;
}
while (pos >= 0 && pos < upper) {
- pos = frame_at_bbt_locked (_metrics, bbt);
- const TempoSection tempo = tempo_section_at_frame_locked (_metrics, pos);
- const MeterSection meter = meter_section_at_frame_locked (_metrics, pos);
- points.push_back (BBTPoint (meter, tempo_at_frame_locked (_metrics, pos), pos, bbt.bars, bbt.beats, tempo.c_func()));
+ pos = frame_at_minute (minute_at_bbt_locked (_metrics, bbt));
+ const TempoSection tempo = tempo_section_at_minute_locked (_metrics, minute_at_frame (pos));
+ const MeterSection meter = meter_section_at_minute_locked (_metrics, minute_at_frame (pos));
+ points.push_back (BBTPoint (meter, tempo_at_minute_locked (_metrics, minute_at_frame (pos)), pos, bbt.bars, bbt.beats, tempo.c_func()));
bbt.bars += bar_mod;
}
}
TempoMap::tempo_section_at_frame (framepos_t frame) const
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return tempo_section_at_frame_locked (_metrics, frame);
+
+ return tempo_section_at_minute_locked (_metrics, minute_at_frame (frame));
}
const TempoSection&
-TempoMap::tempo_section_at_frame_locked (const Metrics& metrics, framepos_t frame) const
+TempoMap::tempo_section_at_minute_locked (const Metrics& metrics, double minute) const
{
TempoSection* prev = 0;
if (!t->active()) {
continue;
}
- if (prev && t->frame() > frame) {
+ if (prev && t->minute() > minute) {
break;
}
}
if (ts_after) {
- return (60.0 * _frame_rate) / ts_at->tempo_at_frame (frame, _frame_rate);
+ return (60.0 * _frame_rate) / ts_at->tempo_at_minute (minute_at_frame (frame));
}
/* must be treated as constant tempo */
return ts_at->frames_per_beat (_frame_rate);
}
const MeterSection&
-TempoMap::meter_section_at_frame_locked (const Metrics& metrics, framepos_t frame) const
+TempoMap::meter_section_at_frame (framepos_t frame) const
+{
+ Glib::Threads::RWLock::ReaderLock lm (lock);
+ return meter_section_at_minute_locked (_metrics, minute_at_frame (frame));
+}
+
+const MeterSection&
+TempoMap::meter_section_at_minute_locked (const Metrics& metrics, double minute) const
{
Metrics::const_iterator i;
MeterSection* prev = 0;
if (!(*i)->is_tempo()) {
m = static_cast<MeterSection*> (*i);
- if (prev && (*i)->frame() > frame) {
+ if (prev && (*i)->minute() > minute) {
break;
}
return *prev;
}
-
-const MeterSection&
-TempoMap::meter_section_at_frame (framepos_t frame) const
-{
- Glib::Threads::RWLock::ReaderLock lm (lock);
- return meter_section_at_frame_locked (_metrics, frame);
-}
-
const MeterSection&
TempoMap::meter_section_at_beat_locked (const Metrics& metrics, const double& beat) const
{
pair<double, BBT_Time> bbt = make_pair (0.0, BBT_Time (1, 1, 0));
m->set_beat (bbt);
m->set_pulse (0.0);
- m->set_frame (0);
+ m->set_minute (0.0);
m->set_position_lock_style (AudioTime);
prev_m = m;
continue;
if (!t->movable()) {
t->set_pulse (0.0);
- t->set_frame (0);
+ t->set_minute (0.0);
t->set_position_lock_style (AudioTime);
prev_t = t;
continue;
if (child->name() == TempoSection::xml_state_node_name) {
try {
- TempoSection* ts = new TempoSection (*child);
+ TempoSection* ts = new TempoSection (*child, _frame_rate);
_metrics.push_back (ts);
}
} else if (child->name() == MeterSection::xml_state_node_name) {
try {
- MeterSection* ms = new MeterSection (*child);
+ MeterSection* ms = new MeterSection (*child, _frame_rate);
_metrics.push_back (ms);
}
for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
if ((t = dynamic_cast<const TempoSection*>(*i)) != 0) {
- o << "Tempo @ " << *i << t->beats_per_minute() << " BPM (pulse = 1/" << t->note_type() << ") at " << t->pulse() << " frame= " << t->frame() << " (movable? "
- << t->movable() << ')' << " pos lock: " << enum_2_string (t->position_lock_style()) << std::endl;
- o << "current : " << t->beats_per_minute() << " | " << t->pulse() << " | " << t->frame() << std::endl;
+ o << "Tempo @ " << *i << t->beats_per_minute() << " BPM (pulse = 1/" << t->note_type()
+ << " type= " << enum_2_string (t->type()) << ") " << " at pulse= " << t->pulse()
+ << " minute= " << t->minute() << " frame= " << t->frame() << " (movable? " << t->movable() << ')'
+ << " pos lock: " << enum_2_string (t->position_lock_style()) << std::endl;
if (prev_t) {
- o << "previous : " << prev_t->beats_per_minute() << " | " << prev_t->pulse() << " | " << prev_t->frame() << std::endl;
- o << "calculated : " << prev_t->tempo_at_pulse (t->pulse()) << " | " << prev_t->pulse_at_tempo (t->beats_per_minute(), t->frame(), _frame_rate) << " | " << prev_t->frame_at_tempo (t->beats_per_minute(), t->pulse(), _frame_rate) << std::endl;
+ o << std::setprecision (17) << " current : " << t->beats_per_minute()
+ << " | " << t->pulse() << " | " << t->frame() << " | " << t->minute() << std::endl;
+ o << " previous : " << prev_t->beats_per_minute()
+ << " | " << prev_t->pulse() << " | " << prev_t->frame() << " | " << prev_t->minute() << std::endl;
+ o << " calculated : " << prev_t->tempo_at_pulse (t->pulse())
+ << " | " << prev_t->pulse_at_tempo (t->beats_per_minute(), t->minute())
+ << " | " << frame_at_minute (prev_t->minute_at_tempo (t->beats_per_minute(), t->pulse()))
+ << " | " << prev_t->minute_at_tempo (t->beats_per_minute(), t->pulse()) << std::endl;
}
prev_t = t;
} else if ((m = dynamic_cast<const MeterSection*>(*i)) != 0) {
- o << "Meter @ " << *i << ' ' << m->divisions_per_bar() << '/' << m->note_divisor() << " at " << m->bbt() << " frame= " << m->frame()
- << " pulse: " << m->pulse() << " beat : " << m->beat() << " pos lock: " << enum_2_string (m->position_lock_style()) << " (movable? " << m->movable() << ')' << endl;
+ o << "Meter @ " << *i << ' ' << m->divisions_per_bar() << '/' << m->note_divisor() << " at " << m->bbt()
+ << " frame= " << m->frame() << " pulse: " << m->pulse() << " beat : " << m->beat()
+ << " pos lock: " << enum_2_string (m->position_lock_style()) << " (movable? " << m->movable() << ')' << endl;
}
}
o << "------" << std::endl;
}
else if ((*i)->frame() >= where) {
// TODO: make sure that moved tempo/meter markers are rounded to beat/bar boundaries
- (*i)->set_frame ((*i)->frame() - amount);
+ (*i)->set_minute ((*i)->minute() - minute_at_frame (amount));
if ((*i)->frame() == where) {
// marker was immediately after end of range
tempo_after = dynamic_cast<TempoSection*> (*i);
//find the last TEMPO and METER metric (if any) and move it to the cut point so future stuff is correct
if (last_tempo && !tempo_after) {
metric_kill_list.remove(last_tempo);
- last_tempo->set_frame(where);
+ last_tempo->set_minute (minute_at_frame (where));
moved = true;
}
if (last_meter && !meter_after) {
metric_kill_list.remove(last_meter);
- last_meter->set_frame(where);
+ last_meter->set_minute (minute_at_frame (where));
moved = true;
}
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return frame_at_quarter_note_locked (_metrics, quarter_note_at_frame_locked (_metrics, frame) + quarter_note.to_double());
+ return frame_at_minute (minute_at_quarter_note_locked (_metrics, quarter_note_at_minute_locked (_metrics, minute_at_frame (frame)) + quarter_note.to_double()));
}
framepos_t
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- BBT_Time pos_bbt = bbt_at_beat_locked (_metrics, beat_at_frame_locked (_metrics, pos));
+ BBT_Time pos_bbt = bbt_at_beat_locked (_metrics, beat_at_minute_locked (_metrics, minute_at_frame (pos)));
pos_bbt.ticks += op.ticks;
if (pos_bbt.ticks >= BBT_Time::ticks_per_beat) {
++pos_bbt.beats;
}
pos_bbt.bars += op.bars;
- return frame_at_bbt_locked (_metrics, pos_bbt);
+ return frame_at_minute (minute_at_bbt_locked (_metrics, pos_bbt));
}
/** Count the number of beats that are equivalent to distance when going forward,
{
Glib::Threads::RWLock::ReaderLock lm (lock);
- return Evoral::Beats (quarter_note_at_frame_locked (_metrics, pos + distance) - quarter_note_at_frame_locked (_metrics, pos));
+ return Evoral::Beats (quarter_note_at_minute_locked (_metrics, minute_at_frame (pos + distance)) - quarter_note_at_minute_locked (_metrics, minute_at_frame (pos)));
}
struct bbtcmp {
using namespace Timecode;
void
-TempoTest::recomputeMapTest ()
+TempoTest::recomputeMapTest48 ()
{
int const sampling_rate = 48000;
TempoMap map (sampling_rate);
Meter meterA (4, 4);
- map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), (framepos_t) 0, AudioTime);
+ map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), AudioTime);
/*
120bpm at bar 1, 240bpm at bar 4
Tempo tempoB (240);
map.add_tempo (tempoB, 3.0, 0, TempoSection::Constant, MusicTime);
Meter meterB (3, 4);
- map.add_meter (meterB, 12.0, BBT_Time (4, 1, 0), 0, MusicTime);
-
+ map.add_meter (meterB, 12.0, BBT_Time (4, 1, 0), MusicTime);
+ //map.dump (map._metrics, std::cout);
list<MetricSection*>::iterator i = map._metrics.begin();
CPPUNIT_ASSERT_EQUAL (framepos_t (0), (*i)->frame ());
+ i = map._metrics.end();
+ --i;
+ CPPUNIT_ASSERT_EQUAL (framepos_t (288e3), (*i)->frame ());
- /* check the tempo section for ecpected result (no map) */
+ /* check the tempo section for expected result (no map) */
const TempoSection& tsa (map.tempo_section_at_frame (0));
- CPPUNIT_ASSERT_EQUAL (framepos_t (288e3), tsa.frame_at_pulse (3.0, sampling_rate));
- CPPUNIT_ASSERT_EQUAL (framepos_t (144e3), tsa.frame_at_pulse (1.5, sampling_rate));
- CPPUNIT_ASSERT_EQUAL (framepos_t (96e3), tsa.frame_at_pulse (1.0, sampling_rate));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (288e3), tsa.frame_at_pulse (3.0));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (144e3), tsa.frame_at_pulse (1.5));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (96e3), tsa.frame_at_pulse (1.0));
+
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, tsa.pulse_at_frame (288e3), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.5, tsa.pulse_at_frame (144e3), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tsa.pulse_at_frame (96e3), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tsa.minute_at_frame (60.0 * sampling_rate), 1e-17);
- CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, tsa.pulse_at_frame (288e3, sampling_rate), 1e-17);
- CPPUNIT_ASSERT_DOUBLES_EQUAL (1.5, tsa.pulse_at_frame (144e3, sampling_rate), 1e-17);
- CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tsa.pulse_at_frame (96e3, sampling_rate), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, tsa.minute_at_tempo (240.0, 3.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, tsa.minute_at_tempo (240.0, 3.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, tsa.minute_at_pulse (3.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, tsa.pulse_at_minute (0.1), 1e-17);
/* do the same via the map */
+
+ /* pulse */
+
+ /* pulse - frame*/
CPPUNIT_ASSERT_EQUAL (framepos_t (288e3), map.frame_at_pulse (3.0));
CPPUNIT_ASSERT_EQUAL (framepos_t (144e3), map.frame_at_pulse (1.5));
CPPUNIT_ASSERT_EQUAL (framepos_t (96e3), map.frame_at_pulse (1.0));
+ /* frame - pulse*/
CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, map.pulse_at_frame (288e3), 1e-17);
CPPUNIT_ASSERT_DOUBLES_EQUAL (1.5, map.pulse_at_frame (144e3), 1e-17);
CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, map.pulse_at_frame (96e3), 1e-17);
+ /* pulse - internal minute based interface */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, map.minute_at_pulse_locked (map._metrics, 3.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, map.pulse_at_minute_locked (map._metrics, 0.1), 1e-17);
+
+ /* tempo */
+
+ /* tempo - frame */
+ CPPUNIT_ASSERT_EQUAL (framepos_t (288e3), map.frame_at_tempo (240.0));
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_frame (288e3).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (120.0, map.tempo_at_frame (288e3 - 1).beats_per_minute(), 1e-17);
+
+ /* tempo - bbt (meter based) beat */
CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_beat (24.0).beats_per_minute(), 1e-17);
CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_beat (12.0).beats_per_minute(), 1e-17);
CPPUNIT_ASSERT_DOUBLES_EQUAL (120.0, map.tempo_at_beat (6.0).beats_per_minute(), 1e-17);
CPPUNIT_ASSERT_DOUBLES_EQUAL (120.0, map.tempo_at_beat (0.0).beats_per_minute(), 1e-17);
+ /*bbt (meter based) beat - tempo */
+ /* this is expected for constant tempi */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (12.0, map.beat_at_tempo (240.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.0, map.beat_at_tempo (120.0), 1e-17);
+
+ /* tempo - internal minute interface */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_minute_locked (map._metrics, 0.1).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, map.minute_at_tempo_locked (map._metrics, tempoB), 1e-17);
+
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_pulse_locked (map._metrics, 3.0).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, map.pulse_at_tempo_locked (map._metrics, tempoB), 1e-17);
+}
+
+void
+TempoTest::recomputeMapTest44 ()
+{
+ int const sampling_rate = 44100;
+
+ TempoMap map (sampling_rate);
+ Meter meterA (4, 4);
+ map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), AudioTime);
+
+ /*
+ 120bpm at bar 1, 240bpm at bar 4
+
+ 120bpm = 24e3 samples per beat
+ 240bpm = 12e3 samples per beat
+ */
+
+
+ /*
+
+ 120bpm 240bpm
+ 0 beats 12 beats
+ 0 frames 288e3 frames
+ 0 pulses 3 pulses
+ | | | | |
+ | 1.1 1.2 1.3 1.4 | 2.1 2.2 2.3.2.4 | 3.1 3.2 3.3 3.4 | 4.1 4.2 4.3 |
+
+ */
+ Tempo tempoA (120);
+ map.replace_tempo (map.first_tempo(), tempoA, 0.0, 0, TempoSection::Constant, AudioTime);
+ Tempo tempoB (240);
+ map.add_tempo (tempoB, 3.0, 0, TempoSection::Constant, MusicTime);
+ Meter meterB (3, 4);
+ map.add_meter (meterB, 12.0, BBT_Time (4, 1, 0), MusicTime);
+
+ list<MetricSection*>::iterator i = map._metrics.begin();
+ CPPUNIT_ASSERT_EQUAL (framepos_t (0), (*i)->frame ());
i = map._metrics.end();
--i;
- CPPUNIT_ASSERT_EQUAL (framepos_t (288e3), (*i)->frame ());
+ CPPUNIT_ASSERT_EQUAL (framepos_t (264600), (*i)->frame ());
+
+ /* check the tempo section for expected result (no map) */
+ const TempoSection& tsa (map.tempo_section_at_frame (0));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (264600), tsa.frame_at_pulse (3.0));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (132300), tsa.frame_at_pulse (1.5));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (88200), tsa.frame_at_pulse (1.0));
+
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, tsa.pulse_at_frame (264600), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.5, tsa.pulse_at_frame (132300), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tsa.pulse_at_frame (88200), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tsa.minute_at_frame (60.0 * sampling_rate), 1e-17);
+
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, tsa.minute_at_tempo (240.0, 3.0), 1e-17);
+
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, tsa.minute_at_tempo (240.0, 3.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, tsa.minute_at_pulse (3.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, tsa.pulse_at_minute (0.1), 1e-17);
+
+ /* do the same via the map */
+
+ /* pulse */
+
+ /* pulse - frame*/
+ CPPUNIT_ASSERT_EQUAL (framepos_t (264600), map.frame_at_pulse (3.0));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (132300), map.frame_at_pulse (1.5));
+ CPPUNIT_ASSERT_EQUAL (framepos_t (88200), map.frame_at_pulse (1.0));
+
+ /* frame - pulse*/
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, map.pulse_at_frame (264600), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.5, map.pulse_at_frame (132300), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, map.pulse_at_frame (88200), 1e-17);
+
+ /* pulse - internal minute based interface */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, map.minute_at_pulse_locked (map._metrics, 3.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, map.pulse_at_minute_locked (map._metrics, 0.1), 1e-17);
+
+ /* tempo */
+
+ /* tempo - frame */
+ CPPUNIT_ASSERT_EQUAL (framepos_t (264600), map.frame_at_tempo (tempoB));
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_frame (264600).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (120.0, map.tempo_at_frame (264600 - 1).beats_per_minute(), 1e-17);
+
+ /* tempo - meter-based beat (bbt beat) */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_beat (24.0).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_beat (12.0).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (120.0, map.tempo_at_beat (6.0).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (120.0, map.tempo_at_beat (0.0).beats_per_minute(), 1e-17);
+ /* meter-based beat (bbt beat) - tempo */
+ /* this is expected for constant tempi */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (12.0, map.beat_at_tempo (240.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.0, map.beat_at_tempo (120.0), 1e-17);
+
+ /* tempo - internal minute interface */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_minute_locked (map._metrics, 0.1).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, map.minute_at_tempo_locked (map._metrics, tempoB), 1e-17);
+
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (240.0, map.tempo_at_pulse_locked (map._metrics, 3.0).beats_per_minute(), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (3.0, map.pulse_at_tempo_locked (map._metrics, tempoB), 1e-17);
+}
+
+void
+TempoTest::qnDistanceTestConstant ()
+{
+ int const sampling_rate = 44100;
+
+ TempoMap map (sampling_rate);
+ Meter meterA (4, 4);
+ map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), AudioTime);
+
+ /*
+ 120bpm at bar 1, 240bpm at bar 4
+
+ 120bpm = 24e3 samples per beat
+ 240bpm = 12e3 samples per beat
+ */
+
+
+ /*
+
+ 120bpm 240bpm
+ 0 beats 12 beats
+ 0 frames 288e3 frames
+ 0 pulses 3 pulses
+ | | | | |
+ | 1.1 1.2 1.3 1.4 | 2.1 2.2 2.3.2.4 | 3.1 3.2 3.3 3.4 | 4.1 4.2 4.3 |
+
+ */
+
+ Tempo tempoA (120.0);
+ map.replace_tempo (map.first_tempo(), tempoA, 0.0, 0, TempoSection::Constant, AudioTime);
+ Tempo tempoB (240.0);
+ map.add_tempo (tempoB, 3.0, 0, TempoSection::Constant, MusicTime);
+
+ Tempo tempoC (130.3);
+ map.add_tempo (tempoC, 6.0, 0, TempoSection::Constant, MusicTime);
+ Tempo tempoD (90.4);
+ map.add_tempo (tempoD, 9.0, 0, TempoSection::Constant, MusicTime);
+ Tempo tempoE (110.6);
+ map.add_tempo (tempoE, 12.0, 0, TempoSection::Constant, MusicTime);
+ Tempo tempoF (123.7);
+ map.add_tempo (tempoF, 15.0, 0, TempoSection::Constant, MusicTime);
+ Meter meterB (3, 4);
+ map.add_meter (meterB, 12.0, BBT_Time (4, 1, 0), MusicTime);
+
+ list<MetricSection*>::iterator i = map._metrics.begin();
+ CPPUNIT_ASSERT_EQUAL (framepos_t (0), (*i)->frame ());
+ i = map._metrics.end();
+ --i;
+ CPPUNIT_ASSERT_EQUAL ((*i)->frame(), map.frames_between_quarter_notes (0.0, 60.0));
+
+ /* distance from beat 12.0 to 0.0 should be 6.0 seconds */
+ CPPUNIT_ASSERT_EQUAL (framecnt_t (264600), map.frames_between_quarter_notes (0.0, 12.0));
+ CPPUNIT_ASSERT_EQUAL (framecnt_t (396900), map.frames_between_quarter_notes (0.0, 24.0));
+ CPPUNIT_ASSERT_EQUAL (framecnt_t (-264600), map.frames_between_quarter_notes (12.0, 0.0));
+ CPPUNIT_ASSERT_EQUAL (framecnt_t (-396900), map.frames_between_quarter_notes (24.0, 0.0));
+}
+void
+TempoTest::qnDistanceTestRamp ()
+{
+ int const sampling_rate = 44100;
+
+ TempoMap map (sampling_rate);
+ Meter meterA (4, 4);
+ map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), AudioTime);
+
+ /*
+ 120bpm at bar 1, 240bpm at bar 4
+
+ 120bpm = 24e3 samples per beat
+ 240bpm = 12e3 samples per beat
+ */
+
+
+ /*
+
+ 120bpm 240bpm
+ 0 beats 12 beats
+ 0 frames 288e3 frames
+ 0 pulses 3 pulses
+ | | | | |
+ | 1.1 1.2 1.3 1.4 | 2.1 2.2 2.3.2.4 | 3.1 3.2 3.3 3.4 | 4.1 4.2 4.3 |
+
+ */
+
+ Tempo tempoA (120.2);
+ map.replace_tempo (map.first_tempo(), tempoA, 0.0, 0, TempoSection::Ramp, AudioTime);
+ Tempo tempoB (240.5);
+ map.add_tempo (tempoB, 3.0, 0, TempoSection::Ramp, MusicTime);
+
+ Tempo tempoC (130.1);
+ map.add_tempo (tempoC, 0.0, 6 * sampling_rate, TempoSection::Ramp, AudioTime);
+ Tempo tempoD (90.3);
+ map.add_tempo (tempoD, 9.0, 0, TempoSection::Ramp, MusicTime);
+ Tempo tempoE (110.7);
+ map.add_tempo (tempoE, 12.0, 0, TempoSection::Ramp, MusicTime);
+ Tempo tempoF (123.9);
+ map.add_tempo (tempoF, 15.0, 0, TempoSection::Ramp, MusicTime);
+ Tempo tempoG (111.8);
+ map.add_tempo (tempoG, 0.0, (framepos_t) 2 * 60 * sampling_rate, TempoSection::Ramp, AudioTime);
+ Meter meterB (3, 4);
+ map.add_meter (meterB, 4.0, BBT_Time (2, 1, 0), AudioTime);
+ map.recompute_map (map._metrics, 1);
+
+ list<MetricSection*>::iterator i = map._metrics.begin();
+ CPPUNIT_ASSERT_EQUAL (framepos_t (0), (*i)->frame ());
+ i = map._metrics.end();
+ --i;
+ /* tempoG */
+ CPPUNIT_ASSERT_EQUAL ((*i)->frame(), map.frames_between_quarter_notes (0.0, (*i)->pulse() * 4.0));
+ CPPUNIT_ASSERT_DOUBLES_EQUAL ((*i)->minute(), map.minutes_between_quarter_notes_locked (map._metrics, 0.0, (*i)->pulse() * 4.0), 1e-17);
+
+ --i;
+ CPPUNIT_ASSERT_EQUAL ((*i)->frame(), map.frames_between_quarter_notes (0.0, 60.0));
+ CPPUNIT_ASSERT_DOUBLES_EQUAL ((*i)->minute(), map.minutes_between_quarter_notes_locked (map._metrics, 0.0, 60.0), 1e-17);
+
+ --i;
+ /* tempoE */
+ CPPUNIT_ASSERT_EQUAL ((*i)->frame(), map.frames_between_quarter_notes (0.0, 48.0));
+ CPPUNIT_ASSERT_DOUBLES_EQUAL ((*i)->minute(), map.minutes_between_quarter_notes_locked (map._metrics, 0.0, 48.0), 1e-17);
+
+ --i;
+ CPPUNIT_ASSERT_EQUAL ((*i)->frame(), map.frames_between_quarter_notes (0.0, 36.0));
+ CPPUNIT_ASSERT_DOUBLES_EQUAL ((*i)->minute(), map.minutes_between_quarter_notes_locked (map._metrics, 0.0, 36.0), 1e-17);
+
+ --i;
+ /* tempoC */
+ CPPUNIT_ASSERT_EQUAL (framecnt_t (6 * sampling_rate), map.frames_between_quarter_notes (0.0, (*i)->pulse() * 4.0));
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (0.1, map.minutes_between_quarter_notes_locked (map._metrics, 0.0, (*i)->pulse() * 4.0), 1e-17);
+
}
void
Tempo tempoB (217.0, 4.0);
map.replace_tempo (map.first_tempo(), tempoA, 0.0, 0, TempoSection::Ramp, AudioTime);
map.add_tempo (tempoB, 0.0, (framepos_t) 60 * sampling_rate, TempoSection::Ramp, AudioTime);
- map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), (framepos_t) 0, AudioTime);
+ map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), AudioTime);
/*
TempoSection& tA = map.first_tempo();
const TempoSection& tB = map.tempo_section_at_frame ((framepos_t) 60 * sampling_rate);
- CPPUNIT_ASSERT_EQUAL ((framepos_t) 60 * sampling_rate, tA.frame_at_tempo (tB.beats_per_minute(), 300.0, sampling_rate));
- CPPUNIT_ASSERT_DOUBLES_EQUAL (217.0, tA.tempo_at_frame ((framepos_t) 60 * sampling_rate, sampling_rate), 1e-17);
- CPPUNIT_ASSERT_EQUAL ((framepos_t) 60 * sampling_rate, tA.frame_at_pulse (tB.pulse(), sampling_rate));
- /* note 1e-14 here. (expm1) */
- CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_frame ((framepos_t) 60 * sampling_rate, sampling_rate), 1e-14);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tA.minute_at_tempo (tB.beats_per_minute(), 300.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (217.0, tA.tempo_at_minute (1.0), 1e-17);
+ CPPUNIT_ASSERT_EQUAL ((framepos_t) 60 * sampling_rate, tA.frame_at_pulse (tB.pulse()));
+
+ /* note 1e-14 here. pulse is two derivatives away from time */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_frame ((framepos_t) 60 * sampling_rate), 1e-14);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_minute (1.0), 1e-14);
+
+ /* note 1e-17 here. tempo is one derivative away from pulse, so we can get the same stuff with more precision */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_tempo (217.0, 1.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tA.minute_at_tempo (217.0, tB.pulse()), 1e-17);
/* self-check tempo at pulse @ 125 bpm. */
- CPPUNIT_ASSERT_DOUBLES_EQUAL (125.0, tA.tempo_at_pulse (tA.pulse_at_tempo (125.0, 0, sampling_rate)), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (125.0, tA.tempo_at_pulse (tA.pulse_at_tempo (125.0, 0)), 1e-17);
/* check that tB's pulse is what tA thinks it should be */
- CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_tempo (217.0, 0, sampling_rate), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_tempo (217.0, 0), 1e-17);
/* check that the tempo at the halfway mark (in pulses) is half the tempo delta.*/
CPPUNIT_ASSERT_DOUBLES_EQUAL (147.0, tA.tempo_at_pulse (tB.pulse() / 2.0), 1e-17);
- CPPUNIT_ASSERT_DOUBLES_EQUAL ((tB.pulse() - tA.pulse()) / 2.0, tA.pulse_at_tempo (147.0, 0, sampling_rate), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL ((tB.pulse() - tA.pulse()) / 2.0, tA.pulse_at_tempo (147.0, 0), 1e-17);
/* self-check frame at pulse 20 seconds in. */
const framepos_t target = 20 * sampling_rate;
- const framepos_t result = tA.frame_at_pulse (tA.pulse_at_frame (target, sampling_rate), sampling_rate);
+ const framepos_t result = tA.frame_at_pulse (tA.pulse_at_frame (target));
CPPUNIT_ASSERT_EQUAL (target, result);
}
Tempo tempoB (217.0, 4.0);
map.replace_tempo (map.first_tempo(), tempoA, 0.0, 0, TempoSection::Ramp, AudioTime);
map.add_tempo (tempoB, 0.0, (framepos_t) 60 * sampling_rate, TempoSection::Ramp, AudioTime);
- map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), (framepos_t) 0, AudioTime);
+ map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), AudioTime);
/*
TempoSection& tA = map.first_tempo();
const TempoSection& tB = map.tempo_section_at_frame ((framepos_t) 60 * sampling_rate);
- CPPUNIT_ASSERT_EQUAL ((framepos_t) 60 * sampling_rate, tA.frame_at_tempo (tB.beats_per_minute(), 300.0, sampling_rate));
- CPPUNIT_ASSERT_DOUBLES_EQUAL (217.0, tA.tempo_at_frame ((framepos_t) 60 * sampling_rate, sampling_rate), 1e-17);
- CPPUNIT_ASSERT_EQUAL ((framepos_t) 60 * sampling_rate, tA.frame_at_pulse (tB.pulse(), sampling_rate));
- CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_frame ((framepos_t) 60 * sampling_rate, sampling_rate), 1e-14);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tA.minute_at_tempo (tB.beats_per_minute(), 300.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (217.0, tA.tempo_at_minute (1.0), 1e-17);
+ CPPUNIT_ASSERT_EQUAL ((framepos_t) 60 * sampling_rate, tA.frame_at_pulse (tB.pulse()));
+
+ /* note 1e-14 here. pulse is two derivatives away from time */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_frame ((framepos_t) 60 * sampling_rate), 1e-14);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_minute (1.0), 1e-14);
+
+ /* note 1e-17 here. tempo is one derivative away from pulse, so we can get the same stuff with more precision */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_tempo (217.0, 1.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (1.0, tA.minute_at_tempo (217.0, tB.pulse()), 1e-17);
+
/* self-check tempo at pulse @ 125 bpm. */
- CPPUNIT_ASSERT_DOUBLES_EQUAL (125.0, tA.tempo_at_pulse (tA.pulse_at_tempo (125.0, 0, sampling_rate)), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (125.0, tA.tempo_at_pulse (tA.pulse_at_tempo (125.0, 0)), 1e-17);
/* check that tB's pulse is what tA thinks it should be */
- CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_tempo (217.0, 0, sampling_rate), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB.pulse(), tA.pulse_at_tempo (217.0, 0), 1e-17);
/* check that the tempo at the halfway mark (in pulses) is half the tempo delta.*/
CPPUNIT_ASSERT_DOUBLES_EQUAL (147.0, tA.tempo_at_pulse (tB.pulse() / 2.0), 1e-17);
- CPPUNIT_ASSERT_DOUBLES_EQUAL ((tB.pulse() - tA.pulse()) / 2.0, tA.pulse_at_tempo (147.0, 0, sampling_rate), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL ((tB.pulse() - tA.pulse()) / 2.0, tA.pulse_at_tempo (147.0, 0), 1e-17);
/* self-check frame at pulse 20 seconds in. */
const framepos_t target = 20 * sampling_rate;
- const framepos_t result = tA.frame_at_pulse (tA.pulse_at_frame (target, sampling_rate), sampling_rate);
+ const framepos_t result = tA.frame_at_pulse (tA.pulse_at_frame (target));
CPPUNIT_ASSERT_EQUAL (target, result);
}
Tempo tempoB (160.0, 3.0);
Tempo tempoC (123.0, 4.0);
- map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), (framepos_t) 0, AudioTime);
+ map.replace_meter (map.first_meter(), meterA, BBT_Time (1, 1, 0), AudioTime);
map.replace_tempo (map.first_tempo(), tempoA, 0.0, 0, TempoSection::Ramp, AudioTime);
map.add_tempo (tempoB, 20.0, 0, TempoSection::Ramp, MusicTime);
/* check that the tempo at the halfway mark (in pulses) is half the tempo delta.*/
CPPUNIT_ASSERT_DOUBLES_EQUAL (((80.0 - 160.0) / 2.0) + 160.0, tA->tempo_at_pulse (10.0), 1e-17);
- CPPUNIT_ASSERT_DOUBLES_EQUAL (20.0 / 2.0, tA->pulse_at_tempo (120, 0, sampling_rate), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (20.0 / 2.0, tA->pulse_at_tempo (120, 0), 1e-17);
CPPUNIT_ASSERT_DOUBLES_EQUAL (((160.0 - 123.0) / 2.0) + 123.0, tB->tempo_at_pulse (25.0), 1e-17);
- CPPUNIT_ASSERT_DOUBLES_EQUAL (((20.0 - 30.0) / 2.0) + 30.0, tB->pulse_at_tempo (141.5, 0, sampling_rate), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (((20.0 - 30.0) / 2.0) + 30.0, tB->pulse_at_tempo (141.5, 0), 1e-17);
- CPPUNIT_ASSERT_EQUAL (tB->frame(), tA->frame_at_pulse (20.0, sampling_rate));
- CPPUNIT_ASSERT_EQUAL (tC->frame(), tB->frame_at_pulse (30.0, sampling_rate));
+ CPPUNIT_ASSERT_EQUAL (tB->frame(), tA->frame_at_pulse (20.0));
+ CPPUNIT_ASSERT_EQUAL (tC->frame(), tB->frame_at_pulse (30.0));
- CPPUNIT_ASSERT_EQUAL (tB->frame(), tA->frame_at_tempo (160.0, 20.0, sampling_rate));
- CPPUNIT_ASSERT_EQUAL (tC->frame(), tB->frame_at_tempo (123.0, 30.0, sampling_rate));
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB->minute(), tA->minute_at_tempo (160.0, 20.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tC->minute(), tB->minute_at_tempo (123.0, 30.0), 1e-17);
/* self-check tempo at pulse @ 125 bpm. */
- CPPUNIT_ASSERT_DOUBLES_EQUAL (125.0, tA->tempo_at_pulse (tA->pulse_at_tempo (125.0, 0, sampling_rate)), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (125.0, tA->tempo_at_pulse (tA->pulse_at_tempo (125.0, 0)), 1e-17);
CPPUNIT_ASSERT_DOUBLES_EQUAL (160.0, tA->tempo_at_pulse (20.0), 1e-17);
CPPUNIT_ASSERT_DOUBLES_EQUAL (123.0, tB->tempo_at_pulse (30.0), 1e-17);
+ /* test minute based measurements */
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB->minute(), tA->minute_at_pulse (20.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tC->minute(), tB->minute_at_pulse (30.0), 1e-17);
+
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tB->minute(), tA->minute_at_tempo (160.0, 20.0), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (tC->minute(), tB->minute_at_tempo (123.0, 30.0), 1e-17);
+
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (160.0, tA->tempo_at_minute (tB->minute()), 1e-17);
+ CPPUNIT_ASSERT_DOUBLES_EQUAL (123.0, tB->tempo_at_minute (tC->minute()), 1e-17);
}
projects / ardour.git / commitdiff