2005-09-25 14:42:24 -04:00
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/*
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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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$Id$
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*/
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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 "editor.h"
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#include "audio_time_axis.h"
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#include "regionview.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/diskstream.h>
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#include "i18n.h"
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using namespace ARDOUR;
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2005-09-25 16:33:00 -04:00
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using namespace sigc;
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2005-09-25 14:42:24 -04:00
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using namespace Gtk;
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Editor::TimeStretchDialog::TimeStretchDialog (Editor& e)
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: ArdourDialog ("time stretch dialog"),
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editor (e),
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quick_button (_("Quick but Ugly")),
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antialias_button (_("Skip Anti-aliasing")),
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cancel_button (_("Cancel")),
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action_button (_("Stretch/Shrink it"))
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{
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set_modal (true);
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2005-09-25 16:33:00 -04:00
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set_position (Gtk::WIN_POS_MOUSE);
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2005-09-25 14:42:24 -04:00
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set_title (_("ardour: timestretch"));
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set_name (N_("TimeStretchDialog"));
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set_hide_on_stop (false);
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add (packer);
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packer.set_spacing (5);
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packer.set_border_width (5);
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packer.pack_start (upper_button_box);
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packer.pack_start (progress_bar);
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packer.pack_start (lower_button_box);
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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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lower_button_box.set_homogeneous (true);
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lower_button_box.set_spacing (5);
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lower_button_box.set_border_width (5);
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lower_button_box.pack_start (action_button, true, true);
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lower_button_box.pack_start (cancel_button, true, true);
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action_button.set_name (N_("TimeStretchButton"));
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cancel_button.set_name (N_("TimeStretchButton"));
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quick_button.set_name (N_("TimeStretchButton"));
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antialias_button.set_name (N_("TimeStretchButton"));
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progress_bar.set_name (N_("TimeStretchProgress"));
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2005-09-25 17:19:23 -04:00
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action_button.signal_clicked().connect (bind (mem_fun(*this, &ArdourDialog::stop), 1));
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2005-09-25 14:42:24 -04:00
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}
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gint
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Editor::TimeStretchDialog::update_progress ()
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{
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2005-10-06 00:59:20 -04:00
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progress_bar.set_fraction (request.progress/100);
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2005-09-25 14:42:24 -04:00
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return request.running;
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}
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void
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Editor::TimeStretchDialog::cancel_timestretch_in_progress ()
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{
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status = -2;
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request.running = false;
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}
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gint
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Editor::TimeStretchDialog::delete_timestretch_in_progress (GdkEventAny* ev)
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{
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status = -2;
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request.running = false;
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return TRUE;
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}
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int
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Editor::run_timestretch (AudioRegionSelection& regions, float fraction)
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{
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pthread_t thread;
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if (current_timestretch == 0) {
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current_timestretch = new TimeStretchDialog (*this);
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}
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2005-10-06 00:59:20 -04:00
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current_timestretch->progress_bar.set_fraction (0.0f);
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2005-09-25 17:19:23 -04:00
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current_timestretch->first_cancel = current_timestretch->cancel_button.signal_clicked().connect (bind (mem_fun (*current_timestretch, &ArdourDialog::stop), -1));
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2005-11-12 17:07:07 -05:00
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// GTK2FIX
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// current_timestretch->first_delete = current_timestretch->signal_delete_event().connect (mem_fun (*current_timestretch, &ArdourDialog::wm_close_event));
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2005-09-25 14:42:24 -04:00
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current_timestretch->run ();
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if (current_timestretch->run_status() != 1) {
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2005-11-12 17:07:07 -05:00
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// GTK2FIX
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// current_timestretch->close ();
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2005-09-25 14:42:24 -04:00
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return 1; /* no error, but we did nothing */
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}
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current_timestretch->status = 0;
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current_timestretch->regions = regions;
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current_timestretch->request.fraction = fraction;
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current_timestretch->request.quick_seek = current_timestretch->quick_button.get_active();
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current_timestretch->request.antialias = !current_timestretch->antialias_button.get_active();
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current_timestretch->request.progress = 0.0f;
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current_timestretch->request.running = true;
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/* re-connect the cancel button and delete events */
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current_timestretch->first_cancel.disconnect();
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current_timestretch->first_delete.disconnect();
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2005-09-25 17:19:23 -04:00
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current_timestretch->cancel_button.signal_clicked().connect (mem_fun (current_timestretch, &TimeStretchDialog::cancel_timestretch_in_progress));
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2005-09-26 14:24:59 -04:00
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current_timestretch->signal_delete_event().connect (mem_fun (current_timestretch, &TimeStretchDialog::delete_timestretch_in_progress));
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2005-09-25 14:42:24 -04:00
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if (pthread_create_and_store ("timestretch", &thread, 0, timestretch_thread, current_timestretch)) {
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current_timestretch->close ();
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error << _("timestretch cannot be started - thread creation error") << endmsg;
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return -1;
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}
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pthread_detach (thread);
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2005-10-06 00:59:20 -04:00
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sigc::connection c = Glib::signal_timeout().connect (mem_fun (current_timestretch, &TimeStretchDialog::update_progress), 100);
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2005-09-25 14:42:24 -04:00
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while (current_timestretch->request.running) {
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gtk_main_iteration ();
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}
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c.disconnect ();
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2005-11-12 17:07:07 -05:00
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// GTK2FIX
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// current_timestretch->close ();
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2005-09-25 14:42:24 -04:00
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return current_timestretch->status;
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}
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void
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Editor::do_timestretch (TimeStretchDialog& dialog)
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{
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AudioTrack* at;
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Playlist* playlist;
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AudioRegion* new_region;
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for (AudioRegionSelection::iterator i = dialog.regions.begin(); i != dialog.regions.end(); ) {
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AudioRegion& aregion ((*i)->region);
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TimeAxisView* tv = &(*i)->get_time_axis_view();
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AudioTimeAxisView* atv;
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AudioRegionSelection::iterator tmp;
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tmp = i;
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++tmp;
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if ((atv = dynamic_cast<AudioTimeAxisView*> (tv)) == 0) {
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i = tmp;
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continue;
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}
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if ((at = dynamic_cast<AudioTrack*> (&atv->route())) == 0) {
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i = tmp;
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continue;
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}
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if ((playlist = at->disk_stream().playlist()) == 0) {
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i = tmp;
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continue;
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}
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dialog.request.region = &aregion;
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if (!dialog.request.running) {
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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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if ((new_region = session->tempoize_region (dialog.request)) == 0) {
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dialog.status = -1;
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dialog.request.running = false;
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return;
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}
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session->add_undo (playlist->get_memento());
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playlist->replace_region (aregion, *new_region, aregion.position());
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session->add_redo_no_execute (playlist->get_memento());
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i = tmp;
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}
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dialog.status = 0;
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dialog.request.running = false;
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}
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void*
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Editor::timestretch_thread (void *arg)
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{
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PBD::ThreadCreated (pthread_self(), X_("TimeFX"));
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TimeStretchDialog* tsd = static_cast<TimeStretchDialog*>(arg);
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pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
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tsd->editor.do_timestretch (*tsd);
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return 0;
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}
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