/*
- 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/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 "region_view.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 ()
- : ArdourDialog (_("Strip silence"))
+StripSilenceDialog::StripSilenceDialog (Session* s, list<RegionView*> const & v)
+ : 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)
+ , _peaks_ready_connection (0)
+ , _destroying (false)
{
- 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::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);
+ 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 (_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);
+
+ 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);
+
+ /* Add this back when we finally do something with it */
+ /*
+ 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);
add_button (Gtk::Stock::CANCEL, Gtk::RESPONSE_CANCEL);
add_button (Gtk::Stock::APPLY, 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));
+
+ 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);
+
+ delete _peaks_ready_connection;
+}
+
+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 ()
+{
+ for (list<ViewInterval>::iterator v = views.begin(); v != views.end(); ++v) {
+ (*v).view->drop_silent_frames ();
+ }
+}
+
+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 ();
+}
+
+void
+StripSilenceDialog::update_silence_rects ()
+{
+ /* Lock so that we don't contend with the detection thread for access to the silence regions */
+ Glib::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 ()
+{
+ ARDOUR_UI::instance()->register_thread ("gui", pthread_self(), "silence", 32);
+
+ /* Hold this lock when we are doing work */
+ _lock.lock ();
+
+ while (1) {
+ 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 (), _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 ();
+}
+
+framecnt_t
+StripSilenceDialog::minimum_length () const
+{
+ return _minimum_length.current_duration (views.front().view->region()->position());
+}
+
+framecnt_t
+StripSilenceDialog::fade_length () const
+{
+ return _minimum_length.current_duration (views.front().view->region()->position());
+}
+
+void
+StripSilenceDialog::update_progress_gui (float p)
+{
+ _progress_bar.set_fraction (p);
}