/*
- Copyright (C) 2009 Paul Davis
+ 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
*/
+#include <iostream>
+
#include <gtkmm/table.h>
#include <gtkmm/label.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 "i18n.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 ()
- : ArdourDialog (_("Strip silence"))
+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)
{
- Gtk::Table* table = Gtk::manage (new Gtk::Table (4, 3));
- table->set_spacings (4);
+ 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;
- Gtk::Label* l = Gtk::manage (new Gtk::Label (_("Threshold:")));
- l->set_alignment (1, 0.5);
- table->attach (*l, 0, 1, 0, 1, Gtk::FILL, Gtk::FILL);
_threshold.set_digits (1);
_threshold.set_increments (1, 10);
_threshold.set_range (-120, 0);
_threshold.set_value (-60);
- table->attach (_threshold, 1, 2, 0, 1, Gtk::FILL, Gtk::FILL);
- l = Gtk::manage (new Gtk::Label (_("dBFS")));
- l->set_alignment (0, 0.5);
- table->attach (*l, 2, 3, 0, 1, Gtk::FILL, Gtk::FILL);
-
- l = Gtk::manage (new Gtk::Label (_("Minimum length:")));
- l->set_alignment (1, 0.5);
- table->attach (*l, 0, 1, 1, 2, Gtk::FILL, Gtk::FILL);
- _minimum_length.set_digits (0);
- _minimum_length.set_increments (1, 10);
- _minimum_length.set_range (0, 65536);
- _minimum_length.set_value (256);
- table->attach (_minimum_length, 1, 2, 1, 2, Gtk::FILL, Gtk::FILL);
- l = Gtk::manage (new Gtk::Label (_("samples")));
- table->attach (*l, 2, 3, 1, 2, Gtk::FILL, Gtk::FILL);
-
- l = Gtk::manage (new Gtk::Label (_("Fade length:")));
- l->set_alignment (1, 0.5);
- table->attach (*l, 0, 1, 2, 3, Gtk::FILL, Gtk::FILL);
- _fade_length.set_digits (0);
- _fade_length.set_increments (1, 10);
- _fade_length.set_range (0, 1024);
- _fade_length.set_value (64);
- table->attach (_fade_length, 1, 2, 2, 3, Gtk::FILL, Gtk::FILL);
- l = Gtk::manage (new Gtk::Label (_("samples")));
- table->attach (*l, 2, 3, 2, 3, Gtk::FILL, Gtk::FILL);
-
- get_vbox()->add (*table);
-
- add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
- add_button (Gtk::Stock::APPLY, Gtk::RESPONSE_OK);
+ _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);
}