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show visual count-in when clip recording (if there is a count-in to be shown)

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This commit is contained in:
Paul Davis 2025-04-11 11:23:29 -06:00
parent c61efd4900
commit 1b95c02f0a
2 changed files with 84 additions and 0 deletions
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76
gtk2_ardour/pianoroll.cc
View file

@ -2175,9 +2175,11 @@ Pianoroll::rec_enable_change ()
}
rec_blink_connection.disconnect ();
count_in_connection.disconnect ();
switch (ref.box()->record_enabled()) {
case Recording:
std::cerr << "recording now active\n";
rec_enable_button.set_active_state (Gtkmm2ext::ExplicitActive);
break;
case Enabled:
@ -2188,6 +2190,7 @@ Pianoroll::rec_enable_change ()
} else {
rec_enable_button.set_active_state (Gtkmm2ext::Off);
}
maybe_set_count_in ();
break;
case Disabled:
rec_enable_button.set_active_state (Gtkmm2ext::Off);
@ -2195,6 +2198,79 @@ Pianoroll::rec_enable_change ()
}
}
void
Pianoroll::maybe_set_count_in ()
{
if (!ref.box()) {
return;
}
count_in_connection.disconnect ();
Temporal::TempoMap::SharedPtr tmap (Temporal::TempoMap::use());
bool valid;
count_in_to = ref.box()->start_time (valid);
if (!valid) {
return;
}
std::cerr << "Going to start at " << count_in_to << std::endl;
samplepos_t audible (_session->audible_sample());
Temporal::Beats const & a_q (tmap->quarters_at_sample (audible));
if ((count_in_to - a_q).get_beats() == 0) {
return;
}
count_in_connection = ARDOUR_UI::Clock.connect (sigc::bind (sigc::mem_fun (*this, &Pianoroll::count_in), ARDOUR_UI::clock_signal_interval()));
}
void
Pianoroll::count_in (Temporal::timepos_t audible, unsigned int clock_interval_msecs)
{
if (!_session) {
return;
}
if (!_session->transport_rolling()) {
return;
}
TempoMapPoints grid_points;
TempoMap::SharedPtr tmap (TempoMap::use());
Temporal::Beats audible_beats = tmap->quarters_at_sample (audible.samples());
samplepos_t audible_samples = audible.samples ();
if (audible_beats >= count_in_to) {
/* passed the count_in_to time */
view->hide_overlay_text ();
count_in_connection.disconnect ();
return;
}
tmap->get_grid (grid_points, samples_to_superclock (audible_samples, _session->sample_rate()), samples_to_superclock ((audible_samples + ((_session->sample_rate() / 1000) * clock_interval_msecs)), _session->sample_rate()));
if (!grid_points.empty()) {
/* At least one click in the time between now and the next
* Clock signal
*/
Temporal::Beats current_delta = count_in_to - audible_beats;
if (current_delta.get_beats() < 1) {
view->hide_overlay_text ();
count_in_connection.disconnect ();
return;
}
std::string str (string_compose ("%1", current_delta.get_beats()));
view->set_overlay_text (str);
}
}
bool
Pianoroll::play_button_press (GdkEventButton* ev)
{

8
gtk2_ardour/pianoroll.h
View file

@ -20,6 +20,8 @@
#include <map>
#include "pbd/timer.h"
#include <ytkmm/adjustment.h>
#include "canvas/ruler.h"
@ -329,4 +331,10 @@ class Pianoroll : public CueEditor
bool with_transport_controls;
void update_solo_display ();
void map_transport_state ();
sigc::connection count_in_connection;
Temporal::Beats count_in_to;
void count_in (Temporal::timepos_t, unsigned int);
void maybe_set_count_in ();
};