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livetrax/gtk2_ardour/strip_silence_dialog.cc

385 lines
11 KiB
C++

/*
* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2015-2019 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <iostream>
#include <gtkmm/table.h>
#include <gtkmm/label.h>
#include <gtkmm/progressbar.h>
#include <gtkmm/stock.h>
#include "pbd/pthread_utils.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)
, _threshold_value (-60)
, _minimum_length_value (1000)
, _fade_length_value (64)
{
set_session (s);
for (list<RegionView*>::const_iterator r = v.begin(); r != v.end(); ++r) {
views.push_back (ViewInterval (*r));
}
_minimum_length->set_is_duration (true, views.front().view->region()->nt_position());
_fade_length->set_is_duration (true, views.front().view->region()->nt_position());
Gtk::HBox* hbox = Gtk::manage (new Gtk::HBox);
Gtk::Table* table = Gtk::manage (new Gtk::Table (3, 3));
table->set_spacings (6);
//get the last used settings for this
XMLNode* node = _session->extra_xml(X_("StripSilence"));
if (node) {
node->get_property(X_("threshold"), _threshold_value);
node->get_property(X_("min-length"), _minimum_length_value);
node->get_property(X_("fade-length"), _fade_length_value);
}
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 (_threshold_value);
_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::Samples);
_minimum_length->set_duration (timecnt_t (_minimum_length_value), 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::Samples);
_fade_length->set_is_duration (true);
_fade_length->set_duration (timecnt_t (_fade_length_value), 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);
signal_response().connect(sigc::mem_fun (*this, &StripSilenceDialog::finished));
}
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);
pthread_set_name ("SilenceDetect");
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 ();
}
samplecnt_t
StripSilenceDialog::minimum_length () const
{
return std::max((samplecnt_t)1, _minimum_length->current_duration (views.front().view->region()->nt_position()).samples());
}
samplecnt_t
StripSilenceDialog::fade_length () const
{
return std::max((samplecnt_t)0, _fade_length->current_duration (views.front().view->region()->nt_position()).samples());
}
void
StripSilenceDialog::update_progress_gui (float p)
{
_progress_bar.set_fraction (p);
}
XMLNode&
StripSilenceDialog::get_state ()
{
XMLNode* node = new XMLNode(X_("StripSilence"));
node->set_property(X_("threshold"), threshold());
node->set_property(X_("min-length"), minimum_length());
node->set_property(X_("fade-length"), fade_length());
return *node;
}
void
StripSilenceDialog::set_state (const XMLNode &)
{
}
void
StripSilenceDialog::finished(int response)
{
if(response == Gtk::RESPONSE_OK) {
_session->add_extra_xml(get_state());
}
}