2 Copyright (C) 2000 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
26 #include "pbd/error.h"
27 #include "pbd/pthread_utils.h"
28 #include "pbd/memento_command.h"
30 #include <gtkmm2ext/utils.h>
32 #include "audio_region_view.h"
33 #include "audio_time_axis.h"
35 #include "region_selection.h"
36 #include "time_fx_dialog.h"
38 #include "ardour/session.h"
39 #include "ardour/region.h"
40 #include "ardour/audioplaylist.h"
41 #include "ardour/audio_track.h"
42 #include "ardour/audioregion.h"
43 #include "ardour/audio_diskstream.h"
44 #include "ardour/stretch.h"
45 #include "ardour/midi_stretch.h"
46 #include "ardour/pitch.h"
49 #include "rubberband/RubberBandStretcher.h"
50 using namespace RubberBand;
56 using namespace ARDOUR;
60 using namespace Gtkmm2ext;
63 Editor::time_stretch (RegionSelection& regions, float fraction)
65 // FIXME: kludge, implement stretching of selection of both types
67 if (regions.front()->region()->data_type() == DataType::AUDIO) {
68 // Audio, pop up timefx dialog
69 return time_fx (regions, fraction, false);
72 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (®ions.front()->get_time_axis_view());
76 boost::shared_ptr<Playlist> playlist
77 = rtv->track()->diskstream()->playlist();
79 ARDOUR::TimeFXRequest request;
80 request.time_fraction = fraction;
81 MidiStretch stretch(*session, request);
82 begin_reversible_command ("midi stretch");
83 stretch.run(regions.front()->region());
84 XMLNode &before = playlist->get_state();
85 playlist->replace_region (regions.front()->region(), stretch.results[0],
86 regions.front()->region()->position());
87 XMLNode &after = playlist->get_state();
88 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
89 commit_reversible_command ();
96 Editor::pitch_shift (RegionSelection& regions, float fraction)
98 return time_fx (regions, fraction, true);
102 Editor::time_fx (RegionSelection& regions, float val, bool pitching)
104 delete current_timefx;
106 current_timefx = new TimeFXDialog (*this, pitching);
108 current_timefx->progress_bar.set_fraction (0.0f);
110 switch (current_timefx->run ()) {
111 case RESPONSE_ACCEPT:
114 current_timefx->hide ();
118 current_timefx->status = 0;
119 current_timefx->regions = regions;
123 float cents = current_timefx->pitch_octave_adjustment.get_value() * 1200.0;
124 float pitch_fraction;
125 cents += current_timefx->pitch_semitone_adjustment.get_value() * 100.0;
126 cents += current_timefx->pitch_cent_adjustment.get_value();
129 // user didn't change anything
130 current_timefx->hide ();
134 // one octave == 1200 cents
135 // adding one octave doubles the frequency
136 // ratio is 2^^octaves
138 pitch_fraction = pow(2, cents/1200);
140 current_timefx->request.time_fraction = 1.0;
141 current_timefx->request.pitch_fraction = pitch_fraction;
145 current_timefx->request.time_fraction = val;
146 current_timefx->request.pitch_fraction = 1.0;
150 #ifdef USE_RUBBERBAND
153 RubberBandStretcher::Options options = 0;
155 bool realtime = false;
156 bool precise = false;
157 bool peaklock = true;
158 bool longwin = false;
159 bool shortwin = false;
160 bool preserve_formants = false;
165 BandLimitedTransients,
167 } transients = Transients;
169 precise = current_timefx->precise_button.get_active();
170 preserve_formants = current_timefx->preserve_formants_button.get_active();
172 txt = current_timefx->stretch_opts_selector.get_active_text ();
174 if (txt == rb_opt_strings[0]) {
175 transients = NoTransients; peaklock = false; longwin = true; shortwin = false;
176 } else if (txt == rb_opt_strings[1]) {
177 transients = NoTransients; peaklock = false; longwin = false; shortwin = false;
178 } else if (txt == rb_opt_strings[2]) {
179 transients = NoTransients; peaklock = true; longwin = false; shortwin = false;
180 } else if (txt == rb_opt_strings[3]) {
181 transients = BandLimitedTransients; peaklock = true; longwin = false; shortwin = false;
182 } else if (txt == rb_opt_strings[5]) {
183 transients = Transients; peaklock = false; longwin = false; shortwin = true;
187 transients = Transients; peaklock = true; longwin = false; shortwin = false;
190 if (realtime) options |= RubberBandStretcher::OptionProcessRealTime;
191 if (precise) options |= RubberBandStretcher::OptionStretchPrecise;
192 if (preserve_formants) options |= RubberBandStretcher::OptionFormantPreserved;
193 if (!peaklock) options |= RubberBandStretcher::OptionPhaseIndependent;
194 if (longwin) options |= RubberBandStretcher::OptionWindowLong;
195 if (shortwin) options |= RubberBandStretcher::OptionWindowShort;
197 switch (transients) {
199 options |= RubberBandStretcher::OptionTransientsSmooth;
201 case BandLimitedTransients:
202 options |= RubberBandStretcher::OptionTransientsMixed;
205 options |= RubberBandStretcher::OptionTransientsCrisp;
209 current_timefx->request.opts = (int) options;
211 current_timefx->request.quick_seek = current_timefx->quick_button.get_active();
212 current_timefx->request.antialias = !current_timefx->antialias_button.get_active();
214 current_timefx->request.progress = 0.0f;
215 current_timefx->request.done = false;
216 current_timefx->request.cancel = false;
218 /* re-connect the cancel button and delete events */
220 current_timefx->first_cancel.disconnect();
221 current_timefx->first_delete.disconnect();
223 current_timefx->first_cancel = current_timefx->cancel_button->signal_clicked().connect
224 (mem_fun (current_timefx, &TimeFXDialog::cancel_in_progress));
225 current_timefx->first_delete = current_timefx->signal_delete_event().connect
226 (mem_fun (current_timefx, &TimeFXDialog::delete_in_progress));
228 if (pthread_create_and_store ("timefx", ¤t_timefx->request.thread, 0, timefx_thread, current_timefx)) {
229 current_timefx->hide ();
230 error << _("timefx cannot be started - thread creation error") << endmsg;
234 pthread_detach (current_timefx->request.thread);
236 sigc::connection c = Glib::signal_timeout().connect (mem_fun (current_timefx, &TimeFXDialog::update_progress), 100);
238 while (!current_timefx->request.done && !current_timefx->request.cancel) {
239 gtk_main_iteration ();
244 current_timefx->hide ();
245 return current_timefx->status;
249 Editor::do_timefx (TimeFXDialog& dialog)
252 boost::shared_ptr<Playlist> playlist;
253 boost::shared_ptr<Region> new_region;
254 bool in_command = false;
256 for (RegionSelection::iterator i = dialog.regions.begin(); i != dialog.regions.end(); ) {
257 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
263 boost::shared_ptr<AudioRegion> region (arv->audio_region());
264 TimeAxisView* tv = &(arv->get_time_axis_view());
265 RouteTimeAxisView* rtv;
266 RegionSelection::iterator tmp;
271 if ((rtv = dynamic_cast<RouteTimeAxisView*> (tv)) == 0) {
276 if ((t = dynamic_cast<Track*> (rtv->route().get())) == 0) {
281 if ((playlist = t->diskstream()->playlist()) == 0) {
286 if (dialog.request.cancel) {
287 /* we were cancelled */
294 if (dialog.pitching) {
295 fx = new Pitch (*session, dialog.request);
297 #ifdef USE_RUBBERBAND
298 fx = new RBStretch (*session, dialog.request);
300 fx = new STStretch (*session, dialog.request);
304 if (fx->run (region)) {
306 dialog.request.done = true;
311 if (!fx->results.empty()) {
312 new_region = fx->results.front();
315 session->begin_reversible_command (dialog.pitching ? _("pitch shift") : _("time stretch"));
319 XMLNode &before = playlist->get_state();
320 playlist->replace_region (region, new_region, region->position());
321 XMLNode &after = playlist->get_state();
322 session->add_command (new MementoCommand<Playlist>(*playlist, &before, &after));
330 session->commit_reversible_command ();
334 dialog.request.done = true;
338 Editor::timefx_thread (void *arg)
340 PBD::notify_gui_about_thread_creation (pthread_self(), X_("TimeFX"));
342 TimeFXDialog* tsd = static_cast<TimeFXDialog*>(arg);
344 pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
346 tsd->editor.do_timefx (*tsd);