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livetrax/gtk2_ardour/strip_silence_dialog.cc
Carl Hetherington 313da7822a Fix hang on closing the dialogue in some circumstances. Further fix for #3560.
git-svn-id: svn://localhost/ardour2/branches/3.0@8071 d708f5d6-7413-0410-9779-e7cbd77b26cf
2010-11-23 01:00:37 +00:00

529 lines
16 KiB
C++

/*
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/stock.h>
#include "ardour/audioregion.h"
#include "ardour/audiosource.h"
#include "ardour/dB.h"
#include "ardour_ui.h"
#include "ardour/session.h"
#include "gui_thread.h"
#include "strip_silence_dialog.h"
#include "canvas_impl.h"
#include "simpleline.h"
#include "waveview.h"
#include "simplerect.h"
#include "rgb_macros.h"
#include "i18n.h"
#include "logmeter.h"
using namespace ARDOUR;
using namespace std;
using namespace ArdourCanvas;
/** Construct Strip silence dialog box */
StripSilenceDialog::StripSilenceDialog (Session* s, list<boost::shared_ptr<ARDOUR::AudioRegion> > const & regions)
: ArdourDialog (_("Strip Silence"))
, ProgressReporter ()
, _minimum_length (X_("silence duration"), true, "SilenceDurationClock", true, false, true, false)
, _fade_length (X_("silence duration"), true, "SilenceDurationClock", true, false, true, false)
, _wave_width (640)
, _wave_height (64)
, _peaks_ready_connection (0)
, _destroying (false)
{
set_session (s);
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);
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);
table = Gtk::manage (new Gtk::Table (3, 2));
table->set_spacings (6);
n = 0;
table->attach (*Gtk::manage (new Gtk::Label (_("Silent segments:"), 1, 0.5)), 3, 4, n, n + 1, Gtk::FILL);
table->attach (_segment_count_label, 5, 6, n, n + 1, Gtk::FILL);
_segment_count_label.set_alignment (0, 0.5);
++n;
table->attach (*Gtk::manage (new Gtk::Label (_("Shortest silence:"), 1, 0.5)), 3, 4, n, n + 1, Gtk::FILL);
table->attach (_shortest_silence_label, 5, 6, n, n + 1, Gtk::FILL);
_shortest_silence_label.set_alignment (0, 0.5);
++n;
table->attach (*Gtk::manage (new Gtk::Label (_("Shortest audible:"), 1, 0.5)), 3, 4, n, n + 1, Gtk::FILL);
table->attach (_shortest_audible_label, 5, 6, n, n + 1, Gtk::FILL);
_shortest_audible_label.set_alignment (0, 0.5);
++n;
hbox->pack_start (*table);
/* dummy label for padding */
hbox->pack_start (*Gtk::manage (new Gtk::Label ("")), true, true);
get_vbox()->pack_start (*hbox, false, false);
add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_OK);
_canvas = new CanvasAA ();
_canvas->signal_size_allocate().connect (sigc::mem_fun (*this, &StripSilenceDialog::canvas_allocation));
_canvas->set_size_request (_wave_width, _wave_height * regions.size());
for (list<boost::shared_ptr<ARDOUR::AudioRegion> >::const_iterator i = regions.begin(); i != regions.end(); ++i) {
Wave* w = new Wave (_canvas->root(), *i);
_waves.push_back (w);
}
get_vbox()->pack_start (*_canvas, true, true);
get_vbox()->pack_start (_progress_bar, true, true);
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));
create_waves ();
update_silence_rects ();
update_threshold_line ();
/* Create a thread which runs while the dialogue is open to compute the silence regions */
Completed.connect (_completed_connection, MISSING_INVALIDATOR, ui_bind (&StripSilenceDialog::update, this), gui_context ());
_thread_should_finish = false;
pthread_create (&_thread, 0, StripSilenceDialog::_detection_thread_work, this);
}
StripSilenceDialog::~StripSilenceDialog ()
{
_destroying = true;
/* Terminate our thread */
_lock.lock ();
_interthread_info.cancel = true;
_thread_should_finish = true;
_lock.unlock ();
_run_cond.signal ();
pthread_join (_thread, 0);
for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
delete *i;
}
_waves.clear ();
delete _peaks_ready_connection;
delete _canvas;
}
void
StripSilenceDialog::create_waves ()
{
int n = 0;
delete _peaks_ready_connection;
_peaks_ready_connection = 0;
for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
if ((*i)->region->audio_source(0)->peaks_ready (boost::bind (&StripSilenceDialog::peaks_ready, this), &_peaks_ready_connection, gui_context())) {
(*i)->view = new WaveView (*(_canvas->root()));
(*i)->view->property_data_src() = static_cast<gpointer>((*i)->region.get());
(*i)->view->property_cache() = WaveView::create_cache ();
(*i)->view->property_cache_updater() = true;
(*i)->view->property_channel() = 0;
(*i)->view->property_length_function() = (void *) region_length_from_c;
(*i)->view->property_sourcefile_length_function() = (void *) sourcefile_length_from_c;
(*i)->view->property_peak_function() = (void *) region_read_peaks_from_c;
(*i)->view->property_x() = 0;
(*i)->view->property_y() = n * _wave_height;
(*i)->view->property_height() = _wave_height;
(*i)->view->property_samples_per_unit() = (*i)->samples_per_unit;
(*i)->view->property_region_start() = (*i)->region->start();
(*i)->view->property_wave_color() = ARDOUR_UI::config()->canvasvar_WaveForm.get();
(*i)->view->property_fill_color() = ARDOUR_UI::config()->canvasvar_WaveFormFill.get();
(*i)->view->property_logscaled() = true;
(*i)->view->property_rectified() = true;
}
++n;
}
}
void
StripSilenceDialog::peaks_ready ()
{
delete _peaks_ready_connection;
_peaks_ready_connection = 0;
create_waves ();
}
void
StripSilenceDialog::canvas_allocation (Gtk::Allocation& alloc)
{
int n = 0;
_canvas->set_scroll_region (0.0, 0.0, alloc.get_width(), alloc.get_height());
_wave_width = alloc.get_width ();
_wave_height = alloc.get_height ();
for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i, ++n) {
(*i)->samples_per_unit = ((double) (*i)->region->length() / _wave_width);
if ((*i)->view) {
(*i)->view->property_y() = n * _wave_height;
(*i)->view->property_samples_per_unit() = (*i)->samples_per_unit;
(*i)->view->property_height() = _wave_height;
}
}
resize_silence_rects ();
update_threshold_line ();
}
void
StripSilenceDialog::resize_silence_rects ()
{
int n = 0;
/* Lock so that we don't contend with the detection thread for access to the silence regions */
Glib::Mutex::Lock lm (_lock);
for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
list<pair<frameoffset_t, framecnt_t> >::const_iterator j;
list<SimpleRect*>::iterator r;
for (j = (*i)->silence.begin(), r = (*i)->silence_rects.begin();
j != (*i)->silence.end() && r != (*i)->silence_rects.end(); ++j, ++r) {
(*r)->property_x1() = j->first / (*i)->samples_per_unit;
(*r)->property_x2() = j->second / (*i)->samples_per_unit;
(*r)->property_y1() = n * _wave_height;
(*r)->property_y2() = (n + 1) * _wave_height;
(*r)->property_outline_pixels() = 0;
(*r)->property_fill_color_rgba() = RGBA_TO_UINT (128, 128, 128, 128);
}
++n;
}
}
void
StripSilenceDialog::update_threshold_line ()
{
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;
}
void
StripSilenceDialog::update ()
{
update_silence_rects ();
update_threshold_line ();
/* XXX: first one only?! */
update_stats (_waves.front()->silence);
}
void
StripSilenceDialog::update_silence_rects ()
{
int n = 0;
uint32_t max_segments = 0;
uint32_t sc;
/* Lock so that we don't contend with the detection thread for access to the silence regions */
Glib::Mutex::Lock lm (_lock);
for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
for (list<SimpleRect*>::iterator j = (*i)->silence_rects.begin(); j != (*i)->silence_rects.end(); ++j) {
delete *j;
}
(*i)->silence_rects.clear ();
sc = 0;
for (list<pair<frameoffset_t, framecnt_t> >::const_iterator j = (*i)->silence.begin(); j != (*i)->silence.end(); ++j) {
SimpleRect* r = new SimpleRect (*(_canvas->root()));
r->property_x1() = j->first / (*i)->samples_per_unit;
r->property_x2() = j->second / (*i)->samples_per_unit;
r->property_y1() = n * _wave_height;
r->property_y2() = (n + 1) * _wave_height;
r->property_outline_pixels() = 0;
r->property_fill_color_rgba() = RGBA_TO_UINT (128, 128, 128, 128);
(*i)->silence_rects.push_back (r);
sc++;
}
max_segments = max (max_segments, sc);
++n;
}
if (min_audible > 0) {
float ms, ma;
char const * aunits;
char const * sunits;
ma = (float) min_audible/_session->frame_rate();
ms = (float) min_silence/_session->frame_rate();
if (min_audible < _session->frame_rate()) {
aunits = _("ms");
ma *= 1000.0;
} else {
aunits = _("s");
}
if (min_silence < _session->frame_rate()) {
sunits = _("ms");
ms *= 1000.0;
} else {
sunits = _("s");
}
_segment_count_label.set_text (string_compose ("%1", max_segments));
if (max_segments > 0) {
_shortest_silence_label.set_text (string_compose ("%1 %2", ms, sunits));
_shortest_audible_label.set_text (string_compose ("%1 %2", ma, aunits));
} else {
_shortest_silence_label.set_text ("");
_shortest_audible_label.set_text ("");
}
} else {
_segment_count_label.set_text (_("Full silence"));
_shortest_silence_label.set_text ("");
_shortest_audible_label.set_text ("");
}
}
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 ()
{
ARDOUR_UI::instance()->register_thread ("gui", pthread_self(), "silence", 32);
/* Hold this lock when we are doing work */
_lock.lock ();
while (1) {
for (list<Wave*>::iterator i = _waves.begin(); i != _waves.end(); ++i) {
(*i)->silence = (*i)->region->find_silence (dB_to_coefficient (threshold ()), minimum_length (), _interthread_info);
if (_interthread_info.cancel) {
break;
}
}
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;
}
/* 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 ();
}
void
StripSilenceDialog::update_stats (const SilenceResult& res)
{
if (res.empty()) {
return;
}
max_silence = 0;
min_silence = max_framepos;
max_audible = 0;
min_audible = max_framepos;
SilenceResult::const_iterator cur;
cur = res.begin();
framepos_t start = 0;
framepos_t end;
bool in_silence;
if (cur->first == 0) {
/* initial segment, starting at zero, is silent */
end = cur->second;
in_silence = true;
} else {
/* initial segment, starting at zero, is audible */
end = cur->first;
in_silence = false;
}
while (cur != res.end()) {
framecnt_t interval_duration;
interval_duration = end - start;
if (in_silence) {
max_silence = max (max_silence, interval_duration);
min_silence = min (min_silence, interval_duration);
} else {
max_audible = max (max_audible, interval_duration);
min_audible = min (min_audible, interval_duration);
}
start = end;
++cur;
end = cur->first;
in_silence = !in_silence;
}
}
nframes_t
StripSilenceDialog::minimum_length () const
{
return _minimum_length.current_duration (_waves.front()->region->position());
}
nframes_t
StripSilenceDialog::fade_length () const
{
return _minimum_length.current_duration (_waves.front()->region->position());
}
StripSilenceDialog::Wave::Wave (Group* g, boost::shared_ptr<AudioRegion> r)
: region (r), view (0), samples_per_unit (1)
{
threshold_line = new ArdourCanvas::SimpleLine (*g);
threshold_line->property_color_rgba() = RGBA_TO_UINT (0, 0, 0, 128);
}
StripSilenceDialog::Wave::~Wave ()
{
delete view;
delete threshold_line;
for (list<SimpleRect*>::iterator i = silence_rects.begin(); i != silence_rects.end(); ++i) {
delete *i;
}
}
void
StripSilenceDialog::update_progress_gui (float p)
{
_progress_bar.set_fraction (p);
}