479 lines
12 KiB
C++
479 lines
12 KiB
C++
/*
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Copyright (C) 2000 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 <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 <gtkmm2ext/window_title.h>
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#include <gtkmm2ext/utils.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 <ardour/session.h>
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#include <ardour/region.h>
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#include <ardour/audioplaylist.h>
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#include <ardour/audio_track.h>
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#include <ardour/audioregion.h>
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#include <ardour/audio_diskstream.h>
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#include <ardour/stretch.h>
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#include <ardour/midi_stretch.h>
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#include <ardour/pitch.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 "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 sigc;
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using namespace Gtk;
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using namespace Gtkmm2ext;
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Editor::TimeFXDialog::TimeFXDialog (Editor& e, bool pitch)
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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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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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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 (_("Strict Linear")),
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preserve_formants_button(_("Preserve Formants"))
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{
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set_modal (true);
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set_position (Gtk::WIN_POS_MOUSE);
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set_name (N_("TimeFXDialog"));
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WindowTitle title(Glib::get_application_name());
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if (pitching) {
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title += _("Pitch Shift");
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} else {
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title += _("Time Stretch");
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}
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set_title(title.get_string());
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cancel_button = add_button (_("Cancel"), Gtk::RESPONSE_CANCEL);
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get_vbox()->set_spacing (5);
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get_vbox()->set_border_width (12);
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if (pitching) {
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upper_button_box.set_spacing (5);
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upper_button_box.set_border_width (5);
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Gtk::Label* l;
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l = manage (new Label (_("Octaves")));
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upper_button_box.pack_start (*l, false, false);
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upper_button_box.pack_start (pitch_octave_spinner, false, false);
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l = manage (new Label (_("Semitones (12TET)")));
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upper_button_box.pack_start (*l, false, false);
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upper_button_box.pack_start (pitch_semitone_spinner, false, false);
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l = manage (new Label (_("Cents")));
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upper_button_box.pack_start (*l, false, false);
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upper_button_box.pack_start (pitch_cent_spinner, false, false);
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pitch_cent_spinner.set_digits (1);
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upper_button_box.pack_start (preserve_formants_button, false, false);
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add_button (_("Shift"), Gtk::RESPONSE_ACCEPT);
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get_vbox()->pack_start (upper_button_box, false, false);
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} else {
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#ifdef USE_RUBBERBAND
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opts_box.set_spacing (5);
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opts_box.set_border_width (5);
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vector<string> strings;
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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[4]);
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opts_box.pack_start (precise_button, false, false);
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opts_box.pack_start (stretch_opts_label, false, false);
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opts_box.pack_start (stretch_opts_selector, false, false);
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get_vbox()->pack_start (opts_box, false, false);
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#else
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upper_button_box.set_homogeneous (true);
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upper_button_box.set_spacing (5);
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upper_button_box.set_border_width (5);
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upper_button_box.pack_start (quick_button, true, true);
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upper_button_box.pack_start (antialias_button, true, true);
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quick_button.set_name (N_("TimeFXButton"));
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antialias_button.set_name (N_("TimeFXButton"));
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get_vbox()->pack_start (upper_button_box, false, false);
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#endif
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add_button (_("Stretch/Shrink"), Gtk::RESPONSE_ACCEPT);
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}
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get_vbox()->pack_start (progress_bar);
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progress_bar.set_name (N_("TimeFXProgress"));
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show_all_children ();
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}
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gint
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Editor::TimeFXDialog::update_progress ()
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{
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progress_bar.set_fraction (request.progress);
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return !request.done;
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}
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void
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Editor::TimeFXDialog::cancel_in_progress ()
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{
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status = -2;
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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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Editor::TimeFXDialog::delete_in_progress (GdkEventAny* ev)
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{
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status = -2;
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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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int
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Editor::time_stretch (RegionSelection& regions, float fraction)
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{
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// FIXME: kludge, implement stretching of selection of both types
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if (regions.front()->region()->data_type() == DataType::AUDIO) {
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// Audio, pop up timefx dialog
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return time_fx (regions, fraction, false);
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} else {
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// MIDI, just stretch
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RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (®ions.front()->get_time_axis_view());
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if (!rtv)
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return -1;
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boost::shared_ptr<Playlist> playlist
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= rtv->track()->diskstream()->playlist();
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ARDOUR::TimeFXRequest request;
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request.time_fraction = fraction;
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MidiStretch stretch(*session, request);
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begin_reversible_command ("midi stretch");
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stretch.run(regions.front()->region());
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XMLNode &before = playlist->get_state();
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playlist->replace_region (regions.front()->region(), stretch.results[0],
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regions.front()->region()->position());
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XMLNode &after = playlist->get_state();
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session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
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commit_reversible_command ();
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}
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return 0;
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}
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int
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Editor::pitch_shift (RegionSelection& regions, float fraction)
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{
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return time_fx (regions, fraction, true);
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}
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int
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Editor::time_fx (RegionSelection& regions, float val, bool pitching)
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{
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if (current_timefx != 0) {
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delete current_timefx;
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}
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current_timefx = new TimeFXDialog (*this, pitching);
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current_timefx->progress_bar.set_fraction (0.0f);
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switch (current_timefx->run ()) {
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case RESPONSE_ACCEPT:
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break;
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default:
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current_timefx->hide ();
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return 1;
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}
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current_timefx->status = 0;
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current_timefx->regions = regions;
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if (pitching) {
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float cents = current_timefx->pitch_octave_adjustment.get_value() * 1200.0;
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float pitch_fraction;
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cents += current_timefx->pitch_semitone_adjustment.get_value() * 100.0;
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cents += current_timefx->pitch_cent_adjustment.get_value();
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if (cents == 0.0) {
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// user didn't change anything
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current_timefx->hide ();
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return 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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pitch_fraction = pow(2, cents/1200);
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current_timefx->request.time_fraction = 1.0;
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current_timefx->request.pitch_fraction = pitch_fraction;
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} else {
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current_timefx->request.time_fraction = val;
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current_timefx->request.pitch_fraction = 1.0;
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}
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#ifdef USE_RUBBERBAND
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/* parse options */
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RubberBandStretcher::Options options = 0;
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bool realtime = false;
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bool precise = false;
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bool peaklock = true;
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bool longwin = false;
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bool shortwin = false;
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bool preserve_formants = false;
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string txt;
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enum {
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NoTransients,
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BandLimitedTransients,
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Transients
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} transients = Transients;
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precise = current_timefx->precise_button.get_active();
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preserve_formants = current_timefx->preserve_formants_button.get_active();
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txt = current_timefx->stretch_opts_selector.get_active_text ();
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if (txt == rb_opt_strings[0]) {
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transients = NoTransients; peaklock = false; longwin = true; shortwin = false;
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} else if (txt == rb_opt_strings[1]) {
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transients = NoTransients; peaklock = false; longwin = false; shortwin = false;
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} else if (txt == rb_opt_strings[2]) {
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transients = NoTransients; peaklock = true; longwin = false; shortwin = false;
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} else if (txt == rb_opt_strings[3]) {
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transients = BandLimitedTransients; peaklock = true; longwin = false; shortwin = false;
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} else if (txt == rb_opt_strings[5]) {
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transients = Transients; peaklock = false; longwin = false; shortwin = true;
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} else {
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/* default/4 */
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transients = Transients; peaklock = true; longwin = false; shortwin = false;
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};
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if (realtime) options |= RubberBandStretcher::OptionProcessRealTime;
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if (precise) options |= RubberBandStretcher::OptionStretchPrecise;
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if (preserve_formants) options |= RubberBandStretcher::OptionFormantPreserved;
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if (!peaklock) options |= RubberBandStretcher::OptionPhaseIndependent;
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if (longwin) options |= RubberBandStretcher::OptionWindowLong;
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if (shortwin) options |= RubberBandStretcher::OptionWindowShort;
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switch (transients) {
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case NoTransients:
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options |= RubberBandStretcher::OptionTransientsSmooth;
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break;
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case BandLimitedTransients:
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options |= RubberBandStretcher::OptionTransientsMixed;
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break;
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case Transients:
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options |= RubberBandStretcher::OptionTransientsCrisp;
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break;
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}
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current_timefx->request.opts = (int) options;
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#else
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current_timefx->request.quick_seek = current_timefx->quick_button.get_active();
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current_timefx->request.antialias = !current_timefx->antialias_button.get_active();
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#endif
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current_timefx->request.progress = 0.0f;
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current_timefx->request.done = false;
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current_timefx->request.cancel = false;
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/* re-connect the cancel button and delete events */
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current_timefx->first_cancel.disconnect();
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current_timefx->first_delete.disconnect();
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current_timefx->first_cancel = current_timefx->cancel_button->signal_clicked().connect
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(mem_fun (current_timefx, &TimeFXDialog::cancel_in_progress));
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current_timefx->first_delete = current_timefx->signal_delete_event().connect
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(mem_fun (current_timefx, &TimeFXDialog::delete_in_progress));
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if (pthread_create_and_store ("timefx", ¤t_timefx->request.thread, 0, timefx_thread, current_timefx)) {
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current_timefx->hide ();
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error << _("timefx cannot be started - thread creation error") << endmsg;
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return -1;
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}
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pthread_detach (current_timefx->request.thread);
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sigc::connection c = Glib::signal_timeout().connect (mem_fun (current_timefx, &TimeFXDialog::update_progress), 100);
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while (!current_timefx->request.done && !current_timefx->request.cancel) {
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gtk_main_iteration ();
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}
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c.disconnect ();
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current_timefx->hide ();
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return current_timefx->status;
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}
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void
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Editor::do_timefx (TimeFXDialog& dialog)
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{
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Track* t;
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boost::shared_ptr<Playlist> playlist;
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boost::shared_ptr<Region> new_region;
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bool in_command = false;
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for (RegionSelection::iterator i = dialog.regions.begin(); i != dialog.regions.end(); ) {
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AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
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if (!arv) {
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continue;
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}
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boost::shared_ptr<AudioRegion> region (arv->audio_region());
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TimeAxisView* tv = &(arv->get_time_axis_view());
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RouteTimeAxisView* rtv;
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RegionSelection::iterator tmp;
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tmp = i;
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++tmp;
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if ((rtv = dynamic_cast<RouteTimeAxisView*> (tv)) == 0) {
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i = tmp;
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continue;
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}
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if ((t = dynamic_cast<Track*> (rtv->route().get())) == 0) {
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i = tmp;
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continue;
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}
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if ((playlist = t->diskstream()->playlist()) == 0) {
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i = tmp;
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continue;
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}
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if (dialog.request.cancel) {
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/* we were cancelled */
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dialog.status = 1;
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return;
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}
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Filter* fx;
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if (dialog.pitching) {
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fx = new Pitch (*session, dialog.request);
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} else {
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fx = new Stretch (*session, dialog.request);
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}
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if (fx->run (region)) {
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dialog.status = -1;
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dialog.request.done = true;
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delete fx;
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return;
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}
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if (!fx->results.empty()) {
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new_region = fx->results.front();
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if (!in_command) {
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begin_reversible_command (dialog.pitching ? _("pitch shift") : _("time stretch"));
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in_command = true;
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}
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XMLNode &before = playlist->get_state();
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playlist->replace_region (region, new_region, region->position());
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XMLNode &after = playlist->get_state();
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session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
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}
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i = tmp;
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delete fx;
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}
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if (in_command) {
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commit_reversible_command ();
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}
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dialog.status = 0;
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dialog.request.done = true;
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}
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void*
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Editor::timefx_thread (void *arg)
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{
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PBD::notify_gui_about_thread_creation (pthread_self(), X_("TimeFX"));
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TimeFXDialog* tsd = static_cast<TimeFXDialog*>(arg);
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pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
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tsd->editor.do_timefx (*tsd);
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return 0;
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}
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