Robin Gareus
c36dfbedb7
When processing multiple regions, apply results at the end, so that when the action is canceled, no changes are applied. Furthermore, do not commit an undo-command if time-stretch is a no-op.
317 lines
9.0 KiB
C++
317 lines
9.0 KiB
C++
/*
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Copyright (C) 2000-2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <iostream>
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#include <cstdlib>
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#include <cmath>
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#include <string>
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#include <gtkmm/stock.h>
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#include "pbd/error.h"
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#include "pbd/pthread_utils.h"
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#include "pbd/memento_command.h"
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#include "pbd/unwind.h"
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#include "pbd/stacktrace.h"
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#include "gtkmm2ext/utils.h"
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#include "audio_clock.h"
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#include "editor.h"
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#include "audio_time_axis.h"
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#include "audio_region_view.h"
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#include "region_selection.h"
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#include "time_fx_dialog.h"
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#include "timers.h"
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#ifdef USE_RUBBERBAND
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#include <rubberband/RubberBandStretcher.h>
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using namespace RubberBand;
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#endif
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#include "pbd/i18n.h"
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using namespace std;
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using namespace ARDOUR;
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using namespace PBD;
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using namespace Gtk;
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using namespace Gtkmm2ext;
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TimeFXDialog::TimeFXDialog (Editor& e, bool pitch, samplecnt_t oldlen, samplecnt_t new_length, samplepos_t position)
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: ArdourDialog (X_("time fx dialog"))
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, editor (e)
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, pitching (pitch)
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, quick_button (_("Quick but Ugly"))
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, antialias_button (_("Skip Anti-aliasing"))
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, stretch_opts_label (_("Contents"))
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, precise_button (_("Minimize time distortion"))
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, preserve_formants_button(_("Preserve Formants"))
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, original_length (oldlen)
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, pitch_octave_adjustment (0.0, -4.0, 4.0, 1, 2.0)
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, pitch_semitone_adjustment (0.0, -12.0, 12.0, 1.0, 4.0)
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, pitch_cent_adjustment (0.0, -499.0, 500.0, 5.0, 15.0)
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, pitch_octave_spinner (pitch_octave_adjustment)
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, pitch_semitone_spinner (pitch_semitone_adjustment)
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, pitch_cent_spinner (pitch_cent_adjustment)
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, duration_adjustment (100.0, -1000.0, 1000.0, 1.0, 10.0)
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, duration_clock (0)
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, ignore_adjustment_change (false)
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, ignore_clock_change (false)
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, progress (0.0f)
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{
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set_modal (true);
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set_skip_taskbar_hint (true);
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set_resizable (false);
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set_name (N_("TimeFXDialog"));
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if (pitching) {
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set_title (_("Pitch Shift Audio"));
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} else {
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set_title (_("Time Stretch Audio"));
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}
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cancel_button = add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
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VBox* vbox = manage (new VBox);
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Gtk::Label* l;
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get_vbox()->set_spacing (4);
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vbox->set_spacing (18);
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vbox->set_border_width (5);
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upper_button_box.set_spacing (6);
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l = manage (new Label (_("<b>Options</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false ));
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l->set_use_markup ();
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upper_button_box.pack_start (*l, false, false);
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if (pitching) {
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Table* table = manage (new Table (4, 3, false));
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table->set_row_spacings (6);
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table->set_col_spacing (1, 6);
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l = manage (new Label ("", Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false )); //Common gnome way for padding
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l->set_padding (8, 0);
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table->attach (*l, 0, 1, 0, 4, Gtk::FILL, Gtk::FILL, 0, 0);
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l = manage (new Label (_("Octaves:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
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table->attach (*l, 1, 2, 0, 1, Gtk::FILL, Gtk::EXPAND, 0, 0);
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table->attach (pitch_octave_spinner, 2, 3, 0, 1, Gtk::FILL, Gtk::EXPAND & Gtk::FILL, 0, 0);
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pitch_octave_spinner.set_activates_default ();
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l = manage (new Label (_("Semitones:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
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table->attach (*l, 1, 2, 1, 2, Gtk::FILL, Gtk::EXPAND, 0, 0);
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table->attach (pitch_semitone_spinner, 2, 3, 1, 2, Gtk::FILL, Gtk::EXPAND & Gtk::FILL, 0, 0);
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pitch_semitone_spinner.set_activates_default ();
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l = manage (new Label (_("Cents:"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
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pitch_cent_spinner.set_digits (1);
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table->attach (*l, 1, 2, 2, 3, Gtk::FILL, Gtk::EXPAND, 0, 0);
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table->attach (pitch_cent_spinner, 2, 3, 2, 3, Gtk::FILL, Gtk::EXPAND & Gtk::FILL, 0, 0);
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pitch_cent_spinner.set_activates_default ();
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table->attach (preserve_formants_button, 1, 3, 3, 4, Gtk::FILL, Gtk::EXPAND, 0, 0);
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add_button (S_("Time|Shift"), Gtk::RESPONSE_ACCEPT);
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upper_button_box.pack_start (*table, false, true);
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} else {
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Table* table = manage (new Table (4, 2, false));
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int row = 0;
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table->set_row_spacings (6);
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table->set_col_spacings (12);
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#ifdef USE_RUBBERBAND
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vector<string> strings;
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duration_clock = manage (new AudioClock (X_("stretch"), true, X_("stretch"), true, false, true, false, true));
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duration_clock->set_session (e.session());
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duration_clock->set (new_length, true);
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duration_clock->set_mode (AudioClock::BBT);
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duration_clock->set_bbt_reference (position);
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Gtk::Alignment* clock_align = manage (new Gtk::Alignment);
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clock_align->add (*duration_clock);
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clock_align->set (0.0, 0.5, 0.0, 1.0);
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l = manage (new Gtk::Label (_("Duration")));
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table->attach (*l, 0, 1, row, row+1, Gtk::FILL, Gtk::FILL, 0, 0);
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table->attach (*clock_align, 1, 2, row, row+1, Gtk::AttachOptions (Gtk::EXPAND|Gtk::FILL), Gtk::FILL, 0, 0);
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row++;
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const double fract = ((double) new_length) / original_length;
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/* note the *100.0 to convert fract into a percentage */
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duration_adjustment.set_value (fract*100.0);
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Gtk::SpinButton* spinner = manage (new Gtk::SpinButton (duration_adjustment, 1.0, 3));
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l = manage (new Gtk::Label (_("Percent")));
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table->attach (*l, 0, 1, row, row+1, Gtk::FILL, Gtk::FILL, 0, 0);
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table->attach (*spinner, 1, 2, row, row+1, Gtk::FILL, Gtk::FILL, 0, 0);
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row++;
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table->attach (stretch_opts_label, 0, 1, row, row+1, Gtk::FILL, Gtk::EXPAND, 0, 0);
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set_popdown_strings (stretch_opts_selector, editor.rb_opt_strings);
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/* set default */
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stretch_opts_selector.set_active_text (editor.rb_opt_strings[editor.rb_current_opt]);
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table->attach (stretch_opts_selector, 1, 2, row, row+1, Gtk::FILL, Gtk::EXPAND & Gtk::FILL, 0, 0);
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row++;
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table->attach (precise_button, 0, 2, row, row+1, Gtk::FILL, Gtk::EXPAND, 0, 0);
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row++;
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duration_clock->ValueChanged.connect (sigc::mem_fun (*this, &TimeFXDialog::duration_clock_changed));
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duration_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &TimeFXDialog::duration_adjustment_changed));
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#else
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quick_button.set_name (N_("TimeFXButton"));
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table->attach (quick_button, 1, 3, row, row+1, Gtk::FILL, Gtk::EXPAND, 0, 0);
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row++;
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antialias_button.set_name (N_("TimeFXButton"));
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table->attach (antialias_button, 1, 3, row, row+1, Gtk::FILL, Gtk::EXPAND, 0, 0);
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#endif
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add_button (_("Stretch/Shrink"), Gtk::RESPONSE_ACCEPT);
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upper_button_box.pack_start (*table, false, true);
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}
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set_default_response (Gtk::RESPONSE_ACCEPT);
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VBox* progress_box = manage (new VBox);
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progress_box->set_spacing (6);
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l = manage (new Label (_("<b>Progress</b>"), Gtk::ALIGN_LEFT, Gtk::ALIGN_CENTER, false));
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l->set_use_markup ();
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progress_box->pack_start (*l, false, false);
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progress_box->pack_start (progress_bar, false, true);
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vbox->pack_start (upper_button_box, false, true);
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vbox->pack_start (*progress_box, false, true);
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get_vbox()->pack_start (*vbox, false, false);
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show_all_children ();
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}
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void
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TimeFXDialog::start_updates ()
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{
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update_connection = Timers::rapid_connect (sigc::mem_fun (*this, &TimeFXDialog::timer_update));
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}
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void
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TimeFXDialog::update_progress_gui (float p)
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{
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/* time/pitch FX are applied in a dedicated thread, so we cannot just
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update the GUI when notified about progress. That is deferred to a
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timer-driven callback which will ensure that the visual progress
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indicator is updated.
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*/
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progress = p;
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}
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void
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TimeFXDialog::timer_update ()
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{
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progress_bar.set_fraction (progress);
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if (request.done || request.cancel) {
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update_connection.disconnect ();
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}
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}
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void
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TimeFXDialog::cancel_in_progress ()
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{
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request.cancel = true;
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first_cancel.disconnect();
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}
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gint
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TimeFXDialog::delete_in_progress (GdkEventAny*)
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{
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request.cancel = true;
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first_delete.disconnect();
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return TRUE;
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}
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float
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TimeFXDialog::get_time_fraction () const
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{
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if (pitching) {
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return 1.0;
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}
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return duration_adjustment.get_value() / 100.0;
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}
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float
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TimeFXDialog::get_pitch_fraction () const
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{
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if (!pitching) {
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return 1.0;
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}
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float cents = pitch_octave_adjustment.get_value() * 1200.0;
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cents += pitch_semitone_adjustment.get_value() * 100.0;
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cents += pitch_cent_adjustment.get_value();
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if (cents == 0.0) {
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return 1.0;
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}
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// one octave == 1200 cents
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// adding one octave doubles the frequency
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// ratio is 2^^octaves
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return pow(2, cents/1200);
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}
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void
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TimeFXDialog::duration_adjustment_changed ()
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{
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if (ignore_adjustment_change) {
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return;
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}
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PBD::Unwinder<bool> uw (ignore_clock_change, true);
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duration_clock->set ((samplecnt_t) (original_length * (duration_adjustment.get_value()/ 100.0)));
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}
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void
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TimeFXDialog::duration_clock_changed ()
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{
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if (ignore_clock_change) {
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return;
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}
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PBD::Unwinder<bool> uw (ignore_adjustment_change, true);
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duration_adjustment.set_value (100.0 * (duration_clock->current_duration() / (double) original_length));
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}
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