ardour/gtk2_ardour/time_fx_dialog.cc

318 lines
9.0 KiB
C++

/*
Copyright (C) 2000-2009 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <iostream>
#include <cstdlib>
#include <cmath>
#include <string>
#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, framecnt_t oldlen, framecnt_t new_length, framepos_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 ()
{
status = -2;
request.cancel = true;
first_cancel.disconnect();
}
gint
TimeFXDialog::delete_in_progress (GdkEventAny*)
{
status = -2;
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 ((framecnt_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));
}