1 /* 2 * Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.net> 3 * Copyright (C) 2009-2011 David Robillard <d@drobilla.net> 4 * Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com> 5 * Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org> 6 * 7 * This program is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * This program is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License along 18 * with this program; if not, write to the Free Software Foundation, Inc., 19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. 20 */ 21 22 #include <gtkmm/spinbutton.h> 23 #include <glibmm/threads.h> 24 25 #include <pbd/xml++.h> 26 27 #include "ardour/types.h" 28 #include "ardour_dialog.h" 29 #include "progress_reporter.h" 30 31 namespace ARDOUR { 32 class Session; 33 } 34 35 class AudioClock; 36 class RegionView; 37 38 /// Dialog box to set options for the `strip silence' filter 39 class StripSilenceDialog : public ArdourDialog, public ProgressReporter 40 { 41 public: 42 StripSilenceDialog (ARDOUR::Session*, std::list<RegionView*> const &); 43 ~StripSilenceDialog (); 44 threshold()45 double threshold () const { 46 return _threshold.get_value (); 47 } 48 49 void drop_rects (); 50 51 void silences (ARDOUR::AudioIntervalMap&); 52 53 ARDOUR::samplecnt_t minimum_length () const; 54 ARDOUR::samplecnt_t fade_length () const; 55 on_response(int response_id)56 void on_response (int response_id) { 57 Gtk::Dialog::on_response (response_id); 58 } 59 60 XMLNode& get_state (); 61 void set_state (const XMLNode &); 62 63 private: 64 void create_waves (); 65 void canvas_allocation (Gtk::Allocation &); 66 void update_silence_rects (); 67 void resize_silence_rects (); 68 void update (); 69 void update_threshold_line (); 70 void update_stats (ARDOUR::AudioIntervalResult const &); 71 void threshold_changed (); 72 void update_progress_gui (float); 73 void restart_thread (); 74 void finished(int); 75 76 Gtk::SpinButton _threshold; 77 AudioClock* _minimum_length; 78 AudioClock* _fade_length; 79 Gtk::ProgressBar _progress_bar; 80 81 Gtk::Button* cancel_button; 82 Gtk::Button* apply_button; 83 84 struct ViewInterval { 85 RegionView* view; 86 ARDOUR::AudioIntervalResult intervals; 87 ViewIntervalViewInterval88 ViewInterval (RegionView* rv) : view (rv) {} 89 }; 90 91 std::list<ViewInterval> views; 92 93 bool _destroying; 94 95 pthread_t _thread; ///< thread to compute silence in the background 96 static void * _detection_thread_work (void *); 97 void * detection_thread_work (); 98 Glib::Threads::Mutex _lock; ///< lock held while the thread is doing work 99 Glib::Threads::Cond _run_cond; ///< condition to wake the thread 100 bool _thread_should_finish; ///< true if the thread should terminate 101 PBD::Signal0<void> Completed; ///< emitted when a silence detection has completed 102 PBD::ScopedConnection _completed_connection; 103 ARDOUR::InterThreadInfo _interthread_info; 104 105 sigc::connection progress_idle_connection; 106 bool idle_update_progress(); ///< GUI-thread progress updates of background silence computation 107 int analysis_progress_cur; 108 int analysis_progress_max; 109 110 int _threshold_value; 111 ARDOUR::samplecnt_t _minimum_length_value; 112 ARDOUR::samplecnt_t _fade_length_value; 113 }; 114