2 Copyright (C) 2009 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include <gtkmm/spinbutton.h>
21 #include <glibmm/threads.h>
23 #include "ardour/types.h"
24 #include "ardour_dialog.h"
25 #include "progress_reporter.h"
34 /// Dialog box to set options for the `strip silence' filter
35 class StripSilenceDialog : public ArdourDialog, public ProgressReporter
38 StripSilenceDialog (ARDOUR::Session*, std::list<RegionView*> const &);
39 ~StripSilenceDialog ();
41 double threshold () const {
42 return _threshold.get_value ();
47 void silences (ARDOUR::AudioIntervalMap&);
49 ARDOUR::framecnt_t minimum_length () const;
50 ARDOUR::framecnt_t fade_length () const;
52 void on_response (int response_id) {
53 Gtk::Dialog::on_response (response_id);
58 void canvas_allocation (Gtk::Allocation &);
59 void update_silence_rects ();
60 void resize_silence_rects ();
62 void update_threshold_line ();
63 void update_stats (ARDOUR::AudioIntervalResult const &);
64 void threshold_changed ();
65 void update_progress_gui (float);
66 void restart_thread ();
68 Gtk::SpinButton _threshold;
69 AudioClock* _minimum_length;
70 AudioClock* _fade_length;
71 Gtk::ProgressBar _progress_bar;
73 Gtk::Button* cancel_button;
74 Gtk::Button* apply_button;
78 ARDOUR::AudioIntervalResult intervals;
80 ViewInterval (RegionView* rv) : view (rv) {}
83 std::list<ViewInterval> views;
87 pthread_t _thread; ///< thread to compute silence in the background
88 static void * _detection_thread_work (void *);
89 void * detection_thread_work ();
90 Glib::Threads::Mutex _lock; ///< lock held while the thread is doing work
91 Glib::Threads::Cond _run_cond; ///< condition to wake the thread
92 bool _thread_should_finish; ///< true if the thread should terminate
93 PBD::Signal0<void> Completed; ///< emitted when a silence detection has completed
94 PBD::ScopedConnection _completed_connection;
95 ARDOUR::InterThreadInfo _interthread_info;
97 sigc::connection progress_idle_connection;
98 bool idle_update_progress(); ///< GUI-thread progress updates of background silence computation
99 int analysis_progress_cur;
100 int analysis_progress_max;