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.
27 #include "pbd/error.h"
28 #include "pbd/pthread_utils.h"
29 #include "pbd/memento_command.h"
30 #include "pbd/stateful_diff_command.h"
32 #include <gtkmm2ext/utils.h>
34 #include "audio_region_view.h"
35 #include "audio_time_axis.h"
37 #include "region_selection.h"
38 #include "time_fx_dialog.h"
40 #include "ardour/session.h"
41 #include "ardour/region.h"
42 #include "ardour/audioplaylist.h"
43 #include "ardour/audio_track.h"
44 #include "ardour/audioregion.h"
45 #include "ardour/stretch.h"
46 #include "ardour/midi_stretch.h"
47 #include "ardour/pitch.h"
50 #include "rubberband/RubberBandStretcher.h"
51 using namespace RubberBand;
57 using namespace ARDOUR;
60 using namespace Gtkmm2ext;
62 /** @return -1 in case of error, 1 if operation was cancelled by the user, 0 if everything went ok */
64 Editor::time_stretch (RegionSelection& regions, float fraction)
66 // FIXME: kludge, implement stretching of selection of both types
68 if (regions.front()->region()->data_type() == DataType::AUDIO) {
69 // Audio, pop up timefx dialog
70 return time_fx (regions, fraction, false);
73 RouteTimeAxisView* rtv = dynamic_cast<RouteTimeAxisView*> (®ions.front()->get_time_axis_view());
77 boost::shared_ptr<Playlist> playlist
78 = rtv->track()->playlist();
80 ARDOUR::TimeFXRequest request;
81 request.time_fraction = fraction;
82 MidiStretch stretch(*_session, request);
83 begin_reversible_command ("midi stretch");
84 stretch.run(regions.front()->region());
85 playlist->clear_changes ();
86 playlist->replace_region (regions.front()->region(), stretch.results[0],
87 regions.front()->region()->position());
88 _session->add_command (new StatefulDiffCommand (playlist));
89 commit_reversible_command ();
96 Editor::pitch_shift (RegionSelection& regions, float fraction)
98 return time_fx (regions, fraction, true);
101 /** @return -1 in case of error, 1 if operation was cancelled by the user, 0 if everything went ok */
103 Editor::time_fx (RegionSelection& regions, float val, bool pitching)
105 delete current_timefx;
107 current_timefx = new TimeFXDialog (*this, pitching);
109 current_timefx->progress_bar.set_fraction (0.0f);
111 switch (current_timefx->run ()) {
112 case RESPONSE_ACCEPT:
115 current_timefx->hide ();
119 current_timefx->status = 0;
120 current_timefx->regions = regions;
124 float cents = current_timefx->pitch_octave_adjustment.get_value() * 1200.0;
125 float pitch_fraction;
126 cents += current_timefx->pitch_semitone_adjustment.get_value() * 100.0;
127 cents += current_timefx->pitch_cent_adjustment.get_value();
130 // user didn't change anything
131 current_timefx->hide ();
135 // one octave == 1200 cents
136 // adding one octave doubles the frequency
137 // ratio is 2^^octaves
139 pitch_fraction = pow(2, cents/1200);
141 current_timefx->request.time_fraction = 1.0;
142 current_timefx->request.pitch_fraction = pitch_fraction;
146 current_timefx->request.time_fraction = val;
147 current_timefx->request.pitch_fraction = 1.0;
151 #ifdef USE_RUBBERBAND
154 RubberBandStretcher::Options options = 0;
156 bool realtime = false;
157 bool precise = false;
158 bool peaklock = true;
159 bool longwin = false;
160 bool shortwin = false;
161 bool preserve_formants = false;
166 BandLimitedTransients,
168 } transients = Transients;
170 precise = current_timefx->precise_button.get_active();
171 preserve_formants = current_timefx->preserve_formants_button.get_active();
173 txt = current_timefx->stretch_opts_selector.get_active_text ();
175 for (int i = 0; i <= 6; i++) {
176 if (txt == rb_opt_strings[i]) {
182 switch (rb_current_opt) {
184 transients = NoTransients; peaklock = false; longwin = true; shortwin = false;
187 transients = NoTransients; peaklock = false; longwin = false; shortwin = false;
190 transients = NoTransients; peaklock = true; longwin = false; shortwin = false;
193 transients = BandLimitedTransients; peaklock = true; longwin = false; shortwin = false;
196 transients = Transients; peaklock = false; longwin = false; shortwin = true;
199 transients = NoTransients;
201 preserve_formants = false;
202 current_timefx->request.pitch_fraction = 1/val;
208 transients = Transients; peaklock = true; longwin = false; shortwin = false;
212 if (realtime) options |= RubberBandStretcher::OptionProcessRealTime;
213 if (precise) options |= RubberBandStretcher::OptionStretchPrecise;
214 if (preserve_formants) options |= RubberBandStretcher::OptionFormantPreserved;
215 if (!peaklock) options |= RubberBandStretcher::OptionPhaseIndependent;
216 if (longwin) options |= RubberBandStretcher::OptionWindowLong;
217 if (shortwin) options |= RubberBandStretcher::OptionWindowShort;
219 switch (transients) {
221 options |= RubberBandStretcher::OptionTransientsSmooth;
223 case BandLimitedTransients:
224 options |= RubberBandStretcher::OptionTransientsMixed;
227 options |= RubberBandStretcher::OptionTransientsCrisp;
231 current_timefx->request.opts = (int) options;
233 current_timefx->request.quick_seek = current_timefx->quick_button.get_active();
234 current_timefx->request.antialias = !current_timefx->antialias_button.get_active();
236 current_timefx->request.progress = 0.0f;
237 current_timefx->request.done = false;
238 current_timefx->request.cancel = false;
240 /* re-connect the cancel button and delete events */
242 current_timefx->first_cancel.disconnect();
243 current_timefx->first_delete.disconnect();
245 current_timefx->first_cancel = current_timefx->cancel_button->signal_clicked().connect
246 (sigc::mem_fun (current_timefx, &TimeFXDialog::cancel_in_progress));
247 current_timefx->first_delete = current_timefx->signal_delete_event().connect
248 (sigc::mem_fun (current_timefx, &TimeFXDialog::delete_in_progress));
250 if (pthread_create_and_store ("timefx", ¤t_timefx->request.thread, timefx_thread, current_timefx)) {
251 current_timefx->hide ();
252 error << _("timefx cannot be started - thread creation error") << endmsg;
256 pthread_detach (current_timefx->request.thread);
258 sigc::connection c = Glib::signal_timeout().connect (sigc::mem_fun (current_timefx, &TimeFXDialog::update_progress), 100);
260 while (!current_timefx->request.done && !current_timefx->request.cancel) {
261 gtk_main_iteration ();
266 current_timefx->hide ();
267 return current_timefx->status;
271 Editor::do_timefx (TimeFXDialog& dialog)
274 boost::shared_ptr<Playlist> playlist;
275 boost::shared_ptr<Region> new_region;
276 bool in_command = false;
278 for (RegionSelection::iterator i = dialog.regions.begin(); i != dialog.regions.end(); ) {
279 AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*i);
285 boost::shared_ptr<AudioRegion> region (arv->audio_region());
286 TimeAxisView* tv = &(arv->get_time_axis_view());
287 RouteTimeAxisView* rtv;
288 RegionSelection::iterator tmp;
293 if ((rtv = dynamic_cast<RouteTimeAxisView*> (tv)) == 0) {
298 if ((t = dynamic_cast<Track*> (rtv->route().get())) == 0) {
303 if ((playlist = t->playlist()) == 0) {
308 if (dialog.request.cancel) {
309 /* we were cancelled */
316 if (dialog.pitching) {
317 fx = new Pitch (*_session, dialog.request);
319 #ifdef USE_RUBBERBAND
320 fx = new RBStretch (*_session, dialog.request);
322 fx = new STStretch (*_session, dialog.request);
326 if (fx->run (region)) {
328 dialog.request.done = true;
333 if (!fx->results.empty()) {
334 new_region = fx->results.front();
337 _session->begin_reversible_command (dialog.pitching ? _("pitch shift") : _("time stretch"));
341 playlist->clear_changes ();
342 playlist->replace_region (region, new_region, region->position());
343 _session->add_command (new StatefulDiffCommand (playlist));
351 _session->commit_reversible_command ();
355 dialog.request.done = true;
359 Editor::timefx_thread (void *arg)
361 SessionEvent::create_per_thread_pool ("timefx events", 64);
363 TimeFXDialog* tsd = static_cast<TimeFXDialog*>(arg);
365 pthread_setcanceltype (PTHREAD_CANCEL_ASYNCHRONOUS, 0);
367 tsd->editor.do_timefx (*tsd);
369 /* GACK! HACK! sleep for a bit so that our request buffer for the GUI
370 event loop doesn't die before any changes we made are processed
374 struct timespec t = { 2, 0 };