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livetrax/gtk2_ardour/time_fx_dialog.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

319 lines
9.3 KiB
C++

/*
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2015-2019 Robin Gareus <robin@gareus.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <iostream>
#include <cstdlib>
#include <cmath>
#include <string>
#include <gtkmm/stock.h>
#include "pbd/error.h"
#include "pbd/pthread_utils.h"
#include "pbd/memento_command.h"
#include "pbd/unwind.h"
#include "pbd/stacktrace.h"
#include "gtkmm2ext/utils.h"
#include "audio_clock.h"
#include "editor.h"
#include "audio_time_axis.h"
#include "audio_region_view.h"
#include "region_selection.h"
#include "time_fx_dialog.h"
#include "timers.h"
#ifdef USE_RUBBERBAND
#include <rubberband/RubberBandStretcher.h>
using namespace RubberBand;
#endif
#include "pbd/i18n.h"
using namespace std;
using namespace ARDOUR;
using namespace PBD;
using namespace Gtk;
using namespace Gtkmm2ext;
TimeFXDialog::TimeFXDialog (Editor& e, bool pitch, samplecnt_t oldlen, samplecnt_t new_length, samplepos_t position)
: ArdourDialog (X_("time fx dialog"))
, editor (e)
, pitching (pitch)
, quick_button (_("Quick but Ugly"))
, antialias_button (_("Skip Anti-aliasing"))
, stretch_opts_label (_("Contents"))
, precise_button (_("Minimize time distortion"))
, preserve_formants_button(_("Preserve Formants"))
, original_length (oldlen)
, pitch_octave_adjustment (0.0, -4.0, 4.0, 1, 2.0)
, pitch_semitone_adjustment (0.0, -12.0, 12.0, 1.0, 4.0)
, pitch_cent_adjustment (0.0, -499.0, 500.0, 5.0, 15.0)
, pitch_octave_spinner (pitch_octave_adjustment)
, pitch_semitone_spinner (pitch_semitone_adjustment)
, pitch_cent_spinner (pitch_cent_adjustment)
, duration_adjustment (100.0, -1000.0, 1000.0, 1.0, 10.0)
, duration_clock (0)
, ignore_adjustment_change (false)
, ignore_clock_change (false)
, progress (0.0f)
{
set_modal (true);
set_skip_taskbar_hint (true);
set_resizable (false);
set_name (N_("TimeFXDialog"));
if (pitching) {
set_title (_("Pitch Shift Audio"));
} else {
set_title (_("Time Stretch Audio"));
}
cancel_button = add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
VBox* vbox = manage (new VBox);
Gtk::Label* l;
get_vbox()->set_spacing (4);
vbox->set_spacing (18);
vbox->set_border_width (5);
upper_button_box.set_spacing (6);
l = manage (new Label (_("<b>Options</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false ));
l->set_use_markup ();
upper_button_box.pack_start (*l, false, false);
if (pitching) {
Table* table = manage (new Table (4, 3, false));
table->set_row_spacings (6);
table->set_col_spacing (1, 6);
l = manage (new Label ("", Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false )); //Common gnome way for padding
l->set_padding (8, 0);
table->attach (*l, 0, 1, 0, 4, Gtk::FILL, Gtk::FILL, 0, 0);
l = manage (new Label (_("Octaves:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
table->attach (*l, 1, 2, 0, 1, Gtk::FILL, Gtk::EXPAND, 0, 0);
table->attach (pitch_octave_spinner, 2, 3, 0, 1, Gtk::FILL, Gtk::EXPAND & Gtk::FILL, 0, 0);
pitch_octave_spinner.set_activates_default ();
l = manage (new Label (_("Semitones:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
table->attach (*l, 1, 2, 1, 2, Gtk::FILL, Gtk::EXPAND, 0, 0);
table->attach (pitch_semitone_spinner, 2, 3, 1, 2, Gtk::FILL, Gtk::EXPAND & Gtk::FILL, 0, 0);
pitch_semitone_spinner.set_activates_default ();
l = manage (new Label (_("Cents:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
pitch_cent_spinner.set_digits (1);
table->attach (*l, 1, 2, 2, 3, Gtk::FILL, Gtk::EXPAND, 0, 0);
table->attach (pitch_cent_spinner, 2, 3, 2, 3, Gtk::FILL, Gtk::EXPAND & Gtk::FILL, 0, 0);
pitch_cent_spinner.set_activates_default ();
table->attach (preserve_formants_button, 1, 3, 3, 4, Gtk::FILL, Gtk::EXPAND, 0, 0);
add_button (S_("Time|Shift"), Gtk::RESPONSE_ACCEPT);
upper_button_box.pack_start (*table, false, true);
} else {
Table* table = manage (new Table (4, 2, false));
int row = 0;
table->set_row_spacings (6);
table->set_col_spacings (12);
#ifdef USE_RUBBERBAND
vector<string> strings;
duration_clock = manage (new AudioClock (X_("stretch"), true, X_("stretch"), true, false, true, false, true));
duration_clock->set_session (e.session());
duration_clock->set (new_length, true);
duration_clock->set_mode (AudioClock::BBT);
duration_clock->set_bbt_reference (position);
Gtk::Alignment* clock_align = manage (new Gtk::Alignment);
clock_align->add (*duration_clock);
clock_align->set (0.0, 0.5, 0.0, 1.0);
l = manage (new Gtk::Label (_("Duration")));
table->attach (*l, 0, 1, row, row+1, Gtk::FILL, Gtk::FILL, 0, 0);
table->attach (*clock_align, 1, 2, row, row+1, Gtk::AttachOptions (Gtk::EXPAND|Gtk::FILL), Gtk::FILL, 0, 0);
row++;
const double fract = ((double) new_length) / original_length;
/* note the *100.0 to convert fract into a percentage */
duration_adjustment.set_value (fract*100.0);
Gtk::SpinButton* spinner = manage (new Gtk::SpinButton (duration_adjustment, 1.0, 3));
l = manage (new Gtk::Label (_("Percent")));
table->attach (*l, 0, 1, row, row+1, Gtk::FILL, Gtk::FILL, 0, 0);
table->attach (*spinner, 1, 2, row, row+1, Gtk::FILL, Gtk::FILL, 0, 0);
row++;
table->attach (stretch_opts_label, 0, 1, row, row+1, Gtk::FILL, Gtk::EXPAND, 0, 0);
set_popdown_strings (stretch_opts_selector, editor.rb_opt_strings);
/* set default */
stretch_opts_selector.set_active_text (editor.rb_opt_strings[editor.rb_current_opt]);
table->attach (stretch_opts_selector, 1, 2, row, row+1, Gtk::FILL, Gtk::EXPAND & Gtk::FILL, 0, 0);
row++;
table->attach (precise_button, 0, 2, row, row+1, Gtk::FILL, Gtk::EXPAND, 0, 0);
row++;
duration_clock->ValueChanged.connect (sigc::mem_fun (*this, &TimeFXDialog::duration_clock_changed));
duration_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &TimeFXDialog::duration_adjustment_changed));
#else
quick_button.set_name (N_("TimeFXButton"));
table->attach (quick_button, 1, 3, row, row+1, Gtk::FILL, Gtk::EXPAND, 0, 0);
row++;
antialias_button.set_name (N_("TimeFXButton"));
table->attach (antialias_button, 1, 3, row, row+1, Gtk::FILL, Gtk::EXPAND, 0, 0);
#endif
add_button (_("Stretch/Shrink"), Gtk::RESPONSE_ACCEPT);
upper_button_box.pack_start (*table, false, true);
}
set_default_response (Gtk::RESPONSE_ACCEPT);
VBox* progress_box = manage (new VBox);
progress_box->set_spacing (6);
l = manage (new Label (_("<b>Progress</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
l->set_use_markup ();
progress_box->pack_start (*l, false, false);
progress_box->pack_start (progress_bar, false, true);
vbox->pack_start (upper_button_box, false, true);
vbox->pack_start (*progress_box, false, true);
get_vbox()->pack_start (*vbox, false, false);
show_all_children ();
}
void
TimeFXDialog::start_updates ()
{
update_connection = Timers::rapid_connect (sigc::mem_fun (*this, &TimeFXDialog::timer_update));
}
void
TimeFXDialog::update_progress_gui (float p)
{
/* time/pitch FX are applied in a dedicated thread, so we cannot just
update the GUI when notified about progress. That is deferred to a
timer-driven callback which will ensure that the visual progress
indicator is updated.
*/
progress = p;
}
void
TimeFXDialog::timer_update ()
{
progress_bar.set_fraction (progress);
if (request.done || request.cancel) {
update_connection.disconnect ();
}
}
void
TimeFXDialog::cancel_in_progress ()
{
request.cancel = true;
first_cancel.disconnect();
}
gint
TimeFXDialog::delete_in_progress (GdkEventAny*)
{
request.cancel = true;
first_delete.disconnect();
return TRUE;
}
float
TimeFXDialog::get_time_fraction () const
{
if (pitching) {
return 1.0;
}
return duration_adjustment.get_value() / 100.0;
}
float
TimeFXDialog::get_pitch_fraction () const
{
if (!pitching) {
return 1.0;
}
float cents = pitch_octave_adjustment.get_value() * 1200.0;
cents += pitch_semitone_adjustment.get_value() * 100.0;
cents += pitch_cent_adjustment.get_value();
if (cents == 0.0) {
return 1.0;
}
// one octave == 1200 cents
// adding one octave doubles the frequency
// ratio is 2^^octaves
return pow(2, cents/1200);
}
void
TimeFXDialog::duration_adjustment_changed ()
{
if (ignore_adjustment_change) {
return;
}
PBD::Unwinder<bool> uw (ignore_clock_change, true);
duration_clock->set ((samplecnt_t) (original_length * (duration_adjustment.get_value()/ 100.0)));
}
void
TimeFXDialog::duration_clock_changed ()
{
if (ignore_clock_change) {
return;
}
PBD::Unwinder<bool> uw (ignore_adjustment_change, true);
duration_adjustment.set_value (100.0 * (duration_clock->current_duration() / (double) original_length));
}