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/thread.h>
23 #include "ardour/types.h"
24 #include "ardour_dialog.h"
26 #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 ();
45 ARDOUR::framecnt_t minimum_length () const;
46 ARDOUR::framecnt_t fade_length () const;
51 void canvas_allocation (Gtk::Allocation &);
52 void update_silence_rects ();
53 void resize_silence_rects ();
55 void update_threshold_line ();
56 void update_stats (ARDOUR::AudioIntervalResult const &);
57 void threshold_changed ();
58 void update_progress_gui (float);
59 void restart_thread ();
61 Gtk::SpinButton _threshold;
62 AudioClock _minimum_length;
63 AudioClock _fade_length;
64 Gtk::Label _segment_count_label;
65 Gtk::Label _shortest_silence_label;
66 Gtk::Label _shortest_audible_label;
67 Gtk::ProgressBar _progress_bar;
71 ARDOUR::AudioIntervalResult intervals;
73 ViewInterval (RegionView* rv) : view (rv) {}
76 std::list<ViewInterval> views;
78 ARDOUR::framecnt_t max_audible;
79 ARDOUR::framecnt_t min_audible;
80 ARDOUR::framecnt_t max_silence;
81 ARDOUR::framecnt_t min_silence;
83 PBD::ScopedConnection* _peaks_ready_connection;
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::Mutex _lock; ///< lock held while the thread is doing work
91 Glib::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;