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Code Pull Requests Releases Activity

add percentage field to varispeed dialog 

All fields are kept sync'ed to each other, so it does not matter
which one(s) you use
This commit is contained in:
Paul Davis 2023-10-09 10:52:47 -06:00
parent c0d91362cf
commit 0fa63b6d37
2 changed files with 54 additions and 7 deletions
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54
gtk2_ardour/varispeed_dialog.cc
View File

@ -18,6 +18,8 @@
#include <ardour/session.h>
#include "pbd/unwind.h"
#include "varispeed_dialog.h"
#include "ardour_ui.h"
@ -31,10 +33,13 @@ VarispeedDialog::VarispeedDialog ()
: ArdourDialog (_("Varispeed"), false)
, _semitones_adjustment (0.0, -12.0, 12.0, 1.0, 4.0)
, _cents_adjustment (0.0, -100.0, 100.0, 1.0, 10.0)
, _percent_adjustment (100.0, -50.0, 200.0, 1.0, 10.0)
, _semitones_spinner (_semitones_adjustment)
, _cents_spinner (_cents_adjustment)
, _percent_spinner (_percent_adjustment)
, ignore_changes (false)
{
Table* t = manage (new Table (3, 2));
Table* t = manage (new Table (5, 2));
t->set_row_spacings (6);
t->set_col_spacings (6);
@ -49,14 +54,21 @@ VarispeedDialog::VarispeedDialog ()
t->attach (_cents_spinner, 1, 2, r, r + 1, FILL, EXPAND & FILL, 0, 0);
++r;
l = manage (new Label (_("Percentage:"), ALIGN_START, ALIGN_CENTER, false));
t->attach (*l, 0, 1, r, r + 1, FILL, EXPAND, 0, 0);
t->attach (_percent_spinner, 1, 2, r, r + 1, FILL, EXPAND & FILL, 0, 0);
++r;
get_vbox ()->set_spacing (6);
get_vbox ()->pack_start (*t, false, false);
_semitones_spinner.set_can_focus (false);
_cents_spinner.set_can_focus (false);
_percent_spinner.set_can_focus (false);
_semitones_spinner.signal_changed ().connect (sigc::mem_fun (*this, &VarispeedDialog::apply_speed));
_cents_spinner.signal_changed ().connect (sigc::mem_fun (*this, &VarispeedDialog::apply_speed));
_semitones_spinner.signal_changed ().connect (sigc::mem_fun (*this, &VarispeedDialog::apply_semitones));
_cents_spinner.signal_changed ().connect (sigc::mem_fun (*this, &VarispeedDialog::apply_semitones));
_percent_spinner.signal_changed ().connect (sigc::mem_fun (*this, &VarispeedDialog::apply_percentage));
show_all_children ();
}
@ -79,12 +91,42 @@ VarispeedDialog::adj_semi (double delta)
}
void
VarispeedDialog::apply_speed ()
VarispeedDialog::apply_semitones ()
{
int cents = _semitones_spinner.get_value () * 100 + _cents_spinner.get_value ();
if (ignore_changes) {
return;
}
int cents = _semitones_spinner.get_value () * 100 + _cents_spinner.get_value ();
double speed = pow (2.0, ((double)cents / 1200.0));
{
PBD::Unwinder<bool> uw (ignore_changes, true);
_percent_adjustment.set_value (100. * pow (2.0, (cents/1200.0)));
}
if (_session && _session->default_play_speed () != speed) {
_session->request_default_play_speed (speed);
}
}
void
VarispeedDialog::apply_percentage ()
{
if (ignore_changes) {
return;
}
double speed = 1.0 + (_percent_spinner.get_value() / 100.0);
{
PBD::Unwinder<bool> uw (ignore_changes, true);
double absspeed = ::abs (speed);
double semitones = 12. * (log (absspeed - 1.0) / log(2.));
_semitones_adjustment.set_value (floor (semitones));
_cents_adjustment.set_value (100. * fmod (semitones, 1.));
}
if (_session && _session->default_play_speed () != speed) {
_session->request_default_play_speed (speed);
}
@ -93,7 +135,7 @@ VarispeedDialog::apply_speed ()
void
VarispeedDialog::on_show ()
{
apply_speed ();
apply_semitones ();
ArdourDialog::on_show ();
set_position (Gtk::WIN_POS_NONE); // remember position from now on
}

7
gtk2_ardour/varispeed_dialog.h
View File

@ -34,7 +34,8 @@ public:
void adj_semi (double delta);
private:
void apply_speed ();
void apply_semitones ();
void apply_percentage ();
void on_show ();
void on_hide ();
@ -42,8 +43,12 @@ private:
Gtk::Adjustment _semitones_adjustment;
Gtk::Adjustment _cents_adjustment;
Gtk::Adjustment _percent_adjustment;
Gtk::SpinButton _semitones_spinner;
Gtk::SpinButton _cents_spinner;
Gtk::SpinButton _percent_spinner;
bool ignore_changes;
};
#endif