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Tempo ramps - more multi audio-locked meter work, code reorganisation.

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This commit is contained in:
nick_m 2016-03-31 02:34:54 +11:00
parent d7de12428b
commit 5d37fc6e36
3 changed files with 149 additions and 122 deletions
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4
gtk2_ardour/editor_drag.cc
View file

@ -3204,9 +3204,9 @@ MeterMarkerDrag::finished (GdkEvent* event, bool movement_occurred)
XMLNode &before = map.get_state();
if (_real_section->position_lock_style() == AudioTime) {
map.add_meter (Meter (_real_section->divisions_per_bar(), _real_section->note_divisor()), _real_section->frame());
map.add_meter (Meter (_real_section->divisions_per_bar(), _real_section->note_divisor()), _real_section->frame(), _real_section->beat(), _real_section->bbt());
} else {
map.add_meter (Meter (_real_section->divisions_per_bar(), _real_section->note_divisor()), _real_section->pulse(), _real_section->bbt());
map.add_meter (Meter (_real_section->divisions_per_bar(), _real_section->note_divisor()), _real_section->beat(), _real_section->bbt());
}
XMLNode &after = map.get_state();
_editor->session()->add_command(new MementoCommand<TempoMap>(map, &before, &after));

11
libs/ardour/ardour/tempo.h
View file

@ -144,8 +144,8 @@ class LIBARDOUR_API MeterSection : public MetricSection, public Meter {
public:
MeterSection (double pulse, double beat, const Timecode::BBT_Time& bbt, double bpb, double note_type)
: MetricSection (pulse), Meter (bpb, note_type), _bbt (bbt), _beat (beat) {}
MeterSection (framepos_t frame, double beat, double bpb, double note_type)
: MetricSection (frame), Meter (bpb, note_type), _bbt (1, 1, 0), _beat (beat) {}
MeterSection (framepos_t frame, double beat, const Timecode::BBT_Time& bbt, double bpb, double note_type)
: MetricSection (frame), Meter (bpb, note_type), _bbt (bbt), _beat (beat) {}
MeterSection (const XMLNode&);
static const std::string xml_state_node_name;
@ -304,7 +304,7 @@ class LIBARDOUR_API TempoMap : public PBD::StatefulDestructible
struct BBTPoint {
framepos_t frame;
const MeterSection* meter;
const Tempo tempo;
Tempo tempo;
double c;
uint32_t bar;
uint32_t beat;
@ -377,7 +377,7 @@ class LIBARDOUR_API TempoMap : public PBD::StatefulDestructible
void add_tempo (const Tempo&, const framepos_t& frame, TempoSection::Type type);
void add_meter (const Meter&, const double& beat, const Timecode::BBT_Time& where);
void add_meter (const Meter&, const framepos_t& frame);
void add_meter (const Meter&, const framepos_t& frame, const double& beat, const Timecode::BBT_Time& where);
void remove_tempo (const TempoSection&, bool send_signal);
void remove_meter (const MeterSection&, bool send_signal);
@ -462,6 +462,7 @@ private:
const Tempo tempo_at_locked (const framepos_t& frame) const;
bool check_solved (Metrics& metrics, bool by_frame);
bool set_active_tempos (const Metrics& metrics, const framepos_t& frame);
bool solve_map (Metrics& metrics, TempoSection* section, const Tempo& bpm, const framepos_t& frame);
bool solve_map (Metrics& metrics, TempoSection* section, const Tempo& bpm, const double& pulse);
void solve_map (Metrics& metrics, MeterSection* section, const Meter& mt, const framepos_t& frame);
@ -495,7 +496,7 @@ private:
void add_tempo_locked (const Tempo&, framepos_t frame, bool recompute, TempoSection::Type type);
void add_meter_locked (const Meter&, double beat, Timecode::BBT_Time where, bool recompute);
void add_meter_locked (const Meter&, framepos_t frame, bool recompute);
void add_meter_locked (const Meter&, framepos_t frame, double beat, Timecode::BBT_Time where, bool recompute);
bool remove_tempo_locked (const TempoSection&);
bool remove_meter_locked (const MeterSection&);

254
libs/ardour/tempo.cc
View file

@ -925,11 +925,11 @@ TempoMap::replace_meter (const MeterSection& ms, const Meter& meter, const BBT_T
Glib::Threads::RWLock::WriterLock lm (lock);
MeterSection& first (first_meter());
const PositionLockStyle pl = ms.position_lock_style();
if (ms.pulse() != first.pulse()) {
if (ms.movable()) {
remove_meter_locked (ms);
add_meter_locked (meter, bbt_to_beats_locked (_metrics, where), where, true);
} else {
const PositionLockStyle pl = ms.position_lock_style();
/* cannot move the first meter section */
*static_cast<Meter*>(&first) = meter;
first.set_position_lock_style (pl);
@ -945,13 +945,15 @@ TempoMap::replace_meter (const MeterSection& ms, const Meter& meter, const frame
{
{
Glib::Threads::RWLock::WriterLock lm (lock);
const double beat = ms.beat();
const BBT_Time bbt = ms.bbt();
if (ms.movable()) {
remove_meter_locked (ms);
add_meter_locked (meter, frame, beat, bbt, true);
} else {
MeterSection& first (first_meter());
TempoSection& first_t (first_tempo());
if (ms.pulse() != first.pulse()) {
remove_meter_locked (ms);
add_meter_locked (meter, frame, true);
} else {
/* cannot move the first meter section */
*static_cast<Meter*>(&first) = meter;
first.set_position_lock_style (AudioTime);
@ -959,7 +961,6 @@ TempoMap::replace_meter (const MeterSection& ms, const Meter& meter, const frame
first.set_frame (frame);
pair<double, BBT_Time> beat = make_pair (0.0, BBT_Time (1, 1, 0));
first.set_beat (beat);
recompute_meters (_metrics);
first_t.set_frame (first.frame());
first_t.set_pulse (0.0);
first_t.set_position_lock_style (AudioTime);
@ -990,11 +991,11 @@ TempoMap::add_meter (const Meter& meter, const double& beat, const BBT_Time& whe
}
void
TempoMap::add_meter (const Meter& meter, const framepos_t& frame)
TempoMap::add_meter (const Meter& meter, const framepos_t& frame, const double& beat, const Timecode::BBT_Time& where)
{
{
Glib::Threads::RWLock::WriterLock lm (lock);
add_meter_locked (meter, frame, true);
add_meter_locked (meter, frame, beat, where, true);
}
@ -1035,10 +1036,13 @@ TempoMap::add_meter_locked (const Meter& meter, double beat, BBT_Time where, boo
}
void
TempoMap::add_meter_locked (const Meter& meter, framepos_t frame, bool recompute)
TempoMap::add_meter_locked (const Meter& meter, framepos_t frame, double beat, Timecode::BBT_Time where, bool recompute)
{
MeterSection* new_meter = new MeterSection (frame, 0.0, meter.divisions_per_bar(), meter.note_divisor());
MeterSection* new_meter = new MeterSection (frame, beat, where, meter.divisions_per_bar(), meter.note_divisor());
double pulse = pulse_at_frame_locked (_metrics, frame);
new_meter->set_pulse (pulse);
do_insert (new_meter);
@ -1225,14 +1229,17 @@ TempoMap::copy_metrics_and_point (Metrics& copy, TempoSection* section)
copy.push_back (cp);
}
if ((m = dynamic_cast<MeterSection *> (*i)) != 0) {
MeterSection* cp = 0;
if (m->position_lock_style() == MusicTime) {
copy.push_back (new MeterSection (m->pulse(), m->beat(), m->bbt(), m->divisions_per_bar(), m->note_divisor()));
cp = new MeterSection (m->pulse(), m->beat(), m->bbt(), m->divisions_per_bar(), m->note_divisor());
} else {
copy.push_back (new MeterSection (m->frame(), m->beat(), m->divisions_per_bar(), m->note_divisor()));
cp = new MeterSection (m->frame(), m->beat(), m->bbt(), m->divisions_per_bar(), m->note_divisor());
}
cp->set_movable (m->movable());
copy.push_back (cp);
}
}
}
recompute_map (copy);
//recompute_map (copy);
return ret;
}
@ -1379,9 +1386,11 @@ TempoMap::first_tempo () const
if (!t->active()) {
continue;
}
if (!t->movable()) {
return *t;
}
}
}
fatal << _("programming error: no tempo section in tempo map!") << endmsg;
abort(); /*NOTREACHED*/
@ -1398,9 +1407,11 @@ TempoMap::first_tempo ()
if (!t->active()) {
continue;
}
if (!t->movable()) {
return *t;
}
}
}
fatal << _("programming error: no tempo section in tempo map!") << endmsg;
abort(); /*NOTREACHED*/
@ -1441,30 +1452,24 @@ TempoMap::recompute_meters (Metrics& metrics)
{
MeterSection* meter = 0;
MeterSection* prev_m = 0;
double accumulated_beats = 0.0;
uint32_t accumulated_bars = 0;
for (Metrics::const_iterator mi = metrics.begin(); mi != metrics.end(); ++mi) {
if ((meter = dynamic_cast<MeterSection*> (*mi)) != 0) {
if (prev_m) {
const double beats_in_m = (meter->pulse() - prev_m->pulse()) * prev_m->note_divisor();
accumulated_beats += beats_in_m;
accumulated_bars += (beats_in_m + 1) / prev_m->divisions_per_bar();
}
if (meter->position_lock_style() == AudioTime) {
double pulse = 0.0;
pair<double, BBT_Time> bt = make_pair (accumulated_beats, BBT_Time (accumulated_bars + 1, 1, 0));
meter->set_beat (bt);
if (prev_m) {
pulse = prev_m->pulse() + (meter->beat() - prev_m->beat()) / prev_m->note_divisor();
} else {
if (meter->movable()) {
pulse = pulse_at_frame_locked (metrics, meter->frame());
} else {
pulse = 0.0;
}
double beats = ((pulse_at_frame_locked (metrics, meter->frame()) - prev_m->pulse()) * prev_m->note_divisor()) - prev_m->beat();
const double true_pulse = prev_m->pulse() + (ceil (beats) - prev_m->beat()) / prev_m->note_divisor();
const double pulse_off = true_pulse - ((beats - prev_m->beat()) / prev_m->note_divisor());
pulse = true_pulse - pulse_off;
}
meter->set_pulse (pulse);
if (!meter->movable()) {
pair<double, BBT_Time> bt = make_pair (0.0, BBT_Time (1, 1, 0));
meter->set_beat (bt);
}
} else {
double pulse = 0.0;
if (prev_m) {
@ -1816,8 +1821,8 @@ TempoMap::beat_at_frame (const framecnt_t& frame) const
double
TempoMap::beat_at_frame_locked (const Metrics& metrics, const framecnt_t& frame) const
{
framecnt_t const offset_frame = frame + frame_offset_at (metrics, frame);
double const pulse = pulse_at_frame_locked (metrics, offset_frame);
//framecnt_t const offset_frame = frame + frame_offset_at (metrics, frame);
double const pulse = pulse_at_frame_locked (metrics, frame);
return beat_at_pulse_locked (metrics, pulse);
}
@ -1862,8 +1867,8 @@ framecnt_t
TempoMap::frame_at_beat_locked (const Metrics& metrics, const double& beat) const
{
framecnt_t const frame = frame_at_pulse_locked (metrics, pulse_at_beat_locked (metrics, beat));
frameoffset_t const frame_off = frame_offset_at (metrics, frame);
return frame - frame_off;
//frameoffset_t const frame_off = frame_offset_at (metrics, frame);
return frame;
}
framecnt_t
@ -2005,20 +2010,42 @@ TempoMap::check_solved (Metrics& metrics, bool by_frame)
return true;
}
bool
TempoMap::set_active_tempos (const Metrics& metrics, const framepos_t& frame)
{
for (Metrics::const_iterator i = metrics.begin(); i != metrics.end(); ++i) {
TempoSection* t;
if ((t = dynamic_cast<TempoSection*> (*i)) != 0) {
if (!t->movable()) {
t->set_active (true);
continue;
}
if (t->movable() && t->active () && t->position_lock_style() == AudioTime && t->frame() < frame) {
t->set_active (false);
t->set_pulse (0.0);
} else if (t->movable() && t->position_lock_style() == AudioTime && t->frame() > frame) {
t->set_active (true);
} else if (t->movable() && t->position_lock_style() == AudioTime && t->frame() == frame) {
return false;
}
}
}
return true;
}
bool
TempoMap::solve_map (Metrics& imaginary, TempoSection* section, const Tempo& bpm, const framepos_t& frame)
{
TempoSection* prev_ts = 0;
TempoSection* section_prev = 0;
MetricSectionFrameSorter fcmp;
MetricSectionSorter cmp;
framepos_t first_m_frame = 0;
for (Metrics::iterator i = imaginary.begin(); i != imaginary.end(); ++i) {
MeterSection* m;
if ((m = dynamic_cast<MeterSection*> (*i)) != 0) {
if (!m->movable()) {
first_m_frame = m->frame();
break;
}
}
}
@ -2072,6 +2099,7 @@ TempoMap::solve_map (Metrics& imaginary, TempoSection* section, const Tempo& bpm
return true;
}
MetricSectionFrameSorter fcmp;
imaginary.sort (fcmp);
if (section->position_lock_style() == MusicTime) {
/* we're setting the frame */
@ -2086,6 +2114,7 @@ TempoMap::solve_map (Metrics& imaginary, TempoSection* section, const Tempo& bpm
return true;
}
MetricSectionSorter cmp;
imaginary.sort (cmp);
if (section->position_lock_style() == MusicTime) {
/* we're setting the frame */
@ -2107,8 +2136,6 @@ TempoMap::solve_map (Metrics& imaginary, TempoSection* section, const Tempo& bpm
bool
TempoMap::solve_map (Metrics& imaginary, TempoSection* section, const Tempo& bpm, const double& pulse)
{
MetricSectionSorter cmp;
MetricSectionFrameSorter fcmp;
TempoSection* prev_ts = 0;
TempoSection* section_prev = 0;
@ -2154,6 +2181,7 @@ TempoMap::solve_map (Metrics& imaginary, TempoSection* section, const Tempo& bpm
return true;
}
MetricSectionSorter cmp;
imaginary.sort (cmp);
if (section->position_lock_style() == AudioTime) {
/* we're setting the pulse */
@ -2169,6 +2197,7 @@ TempoMap::solve_map (Metrics& imaginary, TempoSection* section, const Tempo& bpm
return true;
}
MetricSectionFrameSorter fcmp;
imaginary.sort (fcmp);
if (section->position_lock_style() == AudioTime) {
/* we're setting the pulse */
@ -2189,81 +2218,17 @@ TempoMap::solve_map (Metrics& imaginary, TempoSection* section, const Tempo& bpm
return false;
}
void
TempoMap::solve_map (Metrics& imaginary, MeterSection* section, const Meter& mt, const double& pulse)
{
MeterSection* prev_ms = 0;
double accumulated_beats = 0.0;
uint32_t accumulated_bars = 0;
section->set_pulse (pulse);
for (Metrics::iterator i = imaginary.begin(); i != imaginary.end(); ++i) {
MeterSection* m;
if ((m = dynamic_cast<MeterSection*> (*i)) != 0) {
if (prev_ms) {
double const beats_in_m = (m->pulse() - prev_ms->pulse()) * prev_ms->note_divisor();
accumulated_beats += beats_in_m;
accumulated_bars += (beats_in_m + 1) / prev_ms->divisions_per_bar();
}
if (m == section){
section->set_frame (frame_at_pulse_locked (imaginary, pulse));
pair<double, BBT_Time> b_bbt = make_pair (accumulated_beats, BBT_Time (accumulated_bars + 1, 1, 0));
section->set_beat (b_bbt);
prev_ms = section;
continue;
}
if (prev_ms) {
if (m->position_lock_style() == MusicTime) {
const double pulse = prev_ms->pulse() + (m->beat() - prev_ms->beat()) / prev_ms->note_divisor();
m->set_frame (frame_at_pulse_locked (imaginary, pulse));
m->set_pulse (pulse);
} else {
pair<double, BBT_Time> b_bbt = make_pair (accumulated_beats, BBT_Time (accumulated_bars + 1, 1, 0));
m->set_beat (b_bbt);
const double pulse = prev_ms->pulse() + (m->beat() - prev_ms->beat()) / prev_ms->note_divisor();
m->set_pulse (pulse);
}
}
prev_ms = m;
}
}
if (section->position_lock_style() == AudioTime) {
/* we're setting the pulse */
section->set_position_lock_style (MusicTime);
recompute_meters (imaginary);
section->set_position_lock_style (AudioTime);
} else {
recompute_meters (imaginary);
}
}
void
TempoMap::solve_map (Metrics& imaginary, MeterSection* section, const Meter& mt, const framepos_t& frame)
{
MeterSection* prev_ms = 0;
if (!section->movable()) {
TempoSection* first_t;
for (Metrics::const_iterator i = imaginary.begin(); i != imaginary.end(); ++i) {
TempoSection* t;
if ((t = dynamic_cast<TempoSection*> (*i)) != 0) {
if (!t->movable()) {
t->set_active (true);
first_t = t;
}
if (t->movable() && t->active () && t->position_lock_style() == AudioTime && t->frame() < frame) {
t->set_active (false);
t->set_pulse (0.0);
} else if (t->movable() && t->position_lock_style() == AudioTime && t->frame() > frame) {
t->set_active (true);
} else if (t->movable() && t->position_lock_style() == AudioTime && t->frame() == frame) {
/* lock the first tempo to our first meter */
if (!set_active_tempos (imaginary, frame)) {
return;
}
}
}
TempoSection* first_t = &first_tempo();
Metrics future_map;
TempoSection* new_section = copy_metrics_and_point (future_map, first_t);
@ -2301,13 +2266,20 @@ TempoMap::solve_map (Metrics& imaginary, MeterSection* section, const Meter& mt,
as an offset to the map as far as users of the public methods are concerned.
(meters should go on absolute pulses to keep us sane)
*/
pair<double, BBT_Time> b_bbt = make_pair (accumulated_beats, BBT_Time (accumulated_bars + 1, 1, 0));
pair<double, BBT_Time> b_bbt;
if (m->movable()) {
m->set_pulse (pulse_at_frame_locked (imaginary, frame));
} else {
m->set_pulse (0.0);
}
double beats = ((pulse_at_frame_locked (imaginary, frame) - prev_ms->pulse()) * prev_ms->note_divisor()) - prev_ms->beat();
b_bbt = make_pair (ceil (beats), BBT_Time (accumulated_bars + 1, 1, 0));
m->set_beat (b_bbt);
const double true_pulse = prev_ms->pulse() + ((ceil (beats) - prev_ms->beat()) / prev_ms->note_divisor());
const double pulse_off = true_pulse - ((beats - prev_ms->beat()) / prev_ms->note_divisor());
m->set_pulse (true_pulse - pulse_off);
} else {
b_bbt = make_pair (0.0, BBT_Time (1, 1, 0));
m->set_pulse (0.0);
m->set_beat (b_bbt);
}
//m->set_beat (b_bbt);
prev_ms = m;
continue;
}
@ -2317,8 +2289,10 @@ TempoMap::solve_map (Metrics& imaginary, MeterSection* section, const Meter& mt,
m->set_frame (frame_at_pulse_locked (imaginary, pulse));
m->set_pulse (pulse);
} else {
pair<double, BBT_Time> b_bbt = make_pair (accumulated_beats, BBT_Time (accumulated_bars + 1, 1, 0));
if (!m->movable()) {
pair<double, BBT_Time> b_bbt = make_pair (0.0, BBT_Time (1, 1, 0));
m->set_beat (b_bbt);
}
const double pulse = prev_ms->pulse() + (m->beat() - prev_ms->beat()) / prev_ms->note_divisor();
m->set_pulse (pulse);
}
@ -2338,6 +2312,58 @@ TempoMap::solve_map (Metrics& imaginary, MeterSection* section, const Meter& mt,
//dump (imaginary, std::cerr);
}
void
TempoMap::solve_map (Metrics& imaginary, MeterSection* section, const Meter& mt, const double& pulse)
{
MeterSection* prev_ms = 0;
double accumulated_beats = 0.0;
uint32_t accumulated_bars = 0;
section->set_pulse (pulse);
for (Metrics::iterator i = imaginary.begin(); i != imaginary.end(); ++i) {
MeterSection* m;
if ((m = dynamic_cast<MeterSection*> (*i)) != 0) {
if (prev_ms) {
double const beats_in_m = (m->pulse() - prev_ms->pulse()) * prev_ms->note_divisor();
accumulated_beats += beats_in_m;
accumulated_bars += (beats_in_m + 1) / prev_ms->divisions_per_bar();
}
if (m == section){
section->set_frame (frame_at_pulse_locked (imaginary, pulse));
pair<double, BBT_Time> b_bbt = make_pair (accumulated_beats, BBT_Time (accumulated_bars + 1, 1, 0));
section->set_beat (b_bbt);
prev_ms = section;
continue;
}
if (prev_ms) {
if (m->position_lock_style() == MusicTime) {
const double pulse = prev_ms->pulse() + (m->beat() - prev_ms->beat()) / prev_ms->note_divisor();
m->set_frame (frame_at_pulse_locked (imaginary, pulse));
m->set_pulse (pulse);
} else {
if (!m->movable()) {
pair<double, BBT_Time> b_bbt = make_pair (0.0, BBT_Time (1, 1, 0));
m->set_beat (b_bbt);
}
const double pulse = prev_ms->pulse() + (m->beat() - prev_ms->beat()) / prev_ms->note_divisor();
m->set_pulse (pulse);
}
}
prev_ms = m;
}
}
if (section->position_lock_style() == AudioTime) {
/* we're setting the pulse */
section->set_position_lock_style (MusicTime);
recompute_meters (imaginary);
section->set_position_lock_style (AudioTime);
} else {
recompute_meters (imaginary);
}
}
framecnt_t
TempoMap::bbt_duration_at (framepos_t pos, const BBT_Time& bbt, int dir)
{