1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339
|
/*
Copyright (C) 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 <gtkmm/table.h>
#include <gtkmm/label.h>
#include <gtkmm/progressbar.h>
#include <gtkmm/stock.h>
#include "ardour/audioregion.h"
#include "ardour/dB.h"
#include "ardour/logmeter.h"
#include "ardour_ui.h"
#include "audio_clock.h"
#include "gui_thread.h"
#include "strip_silence_dialog.h"
#include "region_view.h"
#include "rgb_macros.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace std;
using namespace ArdourCanvas;
/** Construct Strip silence dialog box */
StripSilenceDialog::StripSilenceDialog (Session* s, list<RegionView*> const & v)
: ArdourDialog (_("Strip Silence"))
, ProgressReporter ()
, _minimum_length (new AudioClock (X_("silence duration"), true, "", true, false, true, false))
, _fade_length (new AudioClock (X_("silence duration"), true, "", true, false, true, false))
, _destroying (false)
, analysis_progress_cur (0)
, analysis_progress_max (0)
{
set_session (s);
for (list<RegionView*>::const_iterator r = v.begin(); r != v.end(); ++r) {
views.push_back (ViewInterval (*r));
}
Gtk::HBox* hbox = Gtk::manage (new Gtk::HBox);
Gtk::Table* table = Gtk::manage (new Gtk::Table (3, 3));
table->set_spacings (6);
int n = 0;
table->attach (*Gtk::manage (new Gtk::Label (_("Threshold"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
table->attach (_threshold, 1, 2, n, n + 1, Gtk::FILL);
table->attach (*Gtk::manage (new Gtk::Label (_("dBFS"))), 2, 3, n, n + 1, Gtk::FILL);
++n;
_threshold.set_digits (1);
_threshold.set_increments (1, 10);
_threshold.set_range (-120, 0);
_threshold.set_value (-60);
_threshold.set_activates_default ();
table->attach (*Gtk::manage (new Gtk::Label (_("Minimum length"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
table->attach (*_minimum_length, 1, 2, n, n + 1, Gtk::FILL);
++n;
_minimum_length->set_session (s);
_minimum_length->set_mode (AudioClock::Frames);
_minimum_length->set (1000, true);
table->attach (*Gtk::manage (new Gtk::Label (_("Fade length"), 1, 0.5)), 0, 1, n, n + 1, Gtk::FILL);
table->attach (*_fade_length, 1, 2, n, n + 1, Gtk::FILL);
++n;
_fade_length->set_session (s);
_fade_length->set_mode (AudioClock::Frames);
_fade_length->set (64, true);
hbox->pack_start (*table);
get_vbox()->pack_start (*hbox, false, false);
cancel_button = add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
apply_button = add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_OK);
set_default_response (Gtk::RESPONSE_OK);
get_vbox()->pack_start (_progress_bar, true, true, 12);
show_all ();
_threshold.get_adjustment()->signal_value_changed().connect (sigc::mem_fun (*this, &StripSilenceDialog::threshold_changed));
_minimum_length->ValueChanged.connect (sigc::mem_fun (*this, &StripSilenceDialog::restart_thread));
_fade_length->ValueChanged.connect (sigc::mem_fun (*this, &StripSilenceDialog::restart_thread));
update_silence_rects ();
update_threshold_line ();
_progress_bar.set_text (_("Analyzing"));
update_progress_gui (0);
apply_button->set_sensitive (false);
progress_idle_connection = Glib::signal_idle().connect (sigc::mem_fun (*this, &StripSilenceDialog::idle_update_progress));
/* Create a thread which runs while the dialogue is open to compute the silence regions */
Completed.connect (_completed_connection, invalidator(*this), boost::bind (&StripSilenceDialog::update, this), gui_context ());
_thread_should_finish = false;
pthread_create (&_thread, 0, StripSilenceDialog::_detection_thread_work, this);
}
StripSilenceDialog::~StripSilenceDialog ()
{
_destroying = true;
progress_idle_connection.disconnect();
/* Terminate our thread */
_interthread_info.cancel = true;
_lock.lock ();
_thread_should_finish = true;
_lock.unlock ();
_run_cond.signal ();
pthread_join (_thread, 0);
delete _minimum_length;
delete _fade_length;
}
bool
StripSilenceDialog::idle_update_progress()
{
if (analysis_progress_max > 0) {
// AudioRegion::find_silence() has
// itt.progress = (end - pos) / length
// not sure if that's intentional, but let's use (1. - val)
float rp = std::min(1.f, std::max (0.f, (1.f - _interthread_info.progress)));
float p = analysis_progress_cur / (float) analysis_progress_max
+ rp / (float) analysis_progress_max;
update_progress_gui (p);
}
return !_destroying;
}
void
StripSilenceDialog::silences (AudioIntervalMap& m)
{
for (list<ViewInterval>::iterator v = views.begin(); v != views.end(); ++v) {
pair<boost::shared_ptr<Region>,AudioIntervalResult> newpair (v->view->region(), v->intervals);
m.insert (newpair);
}
}
void
StripSilenceDialog::drop_rects ()
{
// called by parent when starting to progess (dialog::run returned),
// but before the dialog is destoyed.
_interthread_info.cancel = true;
/* Block until the thread is idle */
_lock.lock ();
_lock.unlock ();
for (list<ViewInterval>::iterator v = views.begin(); v != views.end(); ++v) {
v->view->drop_silent_frames ();
}
cancel_button->set_sensitive (false);
apply_button->set_sensitive (false);
}
void
StripSilenceDialog::update_threshold_line ()
{
#if 0
int n = 0;
/* Don't need to lock here as we're not reading the _waves silence details */
for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
(*i)->threshold_line->property_x1() = 0;
(*i)->threshold_line->property_x2() = _wave_width;
double const y = alt_log_meter (_threshold.get_value());
(*i)->threshold_line->property_y1() = (n + 1 - y) * _wave_height;
(*i)->threshold_line->property_y2() = (n + 1 - y) * _wave_height;
}
++n;
#endif
}
void
StripSilenceDialog::update ()
{
update_threshold_line ();
update_silence_rects ();
_progress_bar.set_text ("");
update_progress_gui (0);
apply_button->set_sensitive(true);
}
void
StripSilenceDialog::update_silence_rects ()
{
/* Lock so that we don't contend with the detection thread for access to the silence regions */
Glib::Threads::Mutex::Lock lm (_lock);
double const y = _threshold.get_value();
for (list<ViewInterval>::iterator v = views.begin(); v != views.end(); ++v) {
v->view->set_silent_frames (v->intervals, y);
}
}
void *
StripSilenceDialog::_detection_thread_work (void* arg)
{
StripSilenceDialog* d = reinterpret_cast<StripSilenceDialog*> (arg);
return d->detection_thread_work ();
}
/** Body of our silence detection thread */
void *
StripSilenceDialog::detection_thread_work ()
{
/* Do not register with all UIs, but do register with the GUI,
because we will need to queue some GUI (only) requests
*/
ARDOUR_UI::instance()->register_thread (pthread_self(), "silence", 32);
/* Hold this lock when we are doing work */
_lock.lock ();
while (1) {
analysis_progress_cur = 0;
analysis_progress_max = views.size();
for (list<ViewInterval>::iterator i = views.begin(); i != views.end(); ++i) {
boost::shared_ptr<AudioRegion> ar = boost::dynamic_pointer_cast<AudioRegion> ((*i).view->region());
if (ar) {
i->intervals = ar->find_silence (dB_to_coefficient (threshold ()), minimum_length (), fade_length(), _interthread_info);
}
if (_interthread_info.cancel) {
break;
}
++analysis_progress_cur;
_interthread_info.progress = 1.0;
ARDOUR::GUIIdle ();
}
analysis_progress_max = 0;
if (!_interthread_info.cancel) {
Completed (); /* EMIT SIGNAL */
}
/* Our work is done; sleep until there is more to do.
* The lock is released while we are waiting.
*/
_run_cond.wait (_lock);
if (_thread_should_finish) {
_lock.unlock ();
return 0;
}
}
return 0;
}
void
StripSilenceDialog::restart_thread ()
{
if (_destroying) {
/* I don't know how this happens, but it seems to be possible for this
method to be called after our destructor has finished executing.
If this happens, bad things follow; _lock cannot be locked and
Ardour hangs. So if we are destroying, just bail early.
*/
return;
}
_progress_bar.set_text (_("Analyzing"));
update_progress_gui (0);
apply_button->set_sensitive (false);
/* Cancel any current run */
_interthread_info.cancel = true;
/* Block until the thread waits() */
_lock.lock ();
/* Reset the flag */
_interthread_info.cancel = false;
_lock.unlock ();
/* And re-awake the thread */
_run_cond.signal ();
}
void
StripSilenceDialog::threshold_changed ()
{
update_threshold_line ();
restart_thread ();
}
framecnt_t
StripSilenceDialog::minimum_length () const
{
return std::max((framecnt_t)1, _minimum_length->current_duration (views.front().view->region()->position()));
}
framecnt_t
StripSilenceDialog::fade_length () const
{
return std::max((framecnt_t)0, _fade_length->current_duration (views.front().view->region()->position()));
}
void
StripSilenceDialog::update_progress_gui (float p)
{
_progress_bar.set_fraction (p);
}
|