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"
33 /// Dialog box to set options for the `strip silence' filter
34 class StripSilenceDialog : public ArdourDialog, public ProgressReporter
37 StripSilenceDialog (ARDOUR::Session*, std::list<boost::shared_ptr<ARDOUR::AudioRegion> > const &);
38 ~StripSilenceDialog ();
40 double threshold () const {
41 return _threshold.get_value ();
44 nframes_t minimum_length () const;
45 nframes_t fade_length () const;
48 typedef std::list<std::pair<ARDOUR::frameoffset_t,ARDOUR::framecnt_t> > SilenceResult;
52 void canvas_allocation (Gtk::Allocation &);
53 void update_silence_rects ();
54 void resize_silence_rects ();
56 void update_threshold_line ();
57 void update_stats (SilenceResult const &);
58 void threshold_changed ();
59 void update_progress_gui (float);
60 void restart_thread ();
62 Gtk::SpinButton _threshold;
63 AudioClock _minimum_length;
64 AudioClock _fade_length;
65 Gtk::Label _segment_count_label;
66 Gtk::Label _shortest_silence_label;
67 Gtk::Label _shortest_audible_label;
68 Gtk::ProgressBar _progress_bar;
71 boost::shared_ptr<ARDOUR::AudioRegion> region;
72 ArdourCanvas::WaveView* view;
73 std::list<ArdourCanvas::SimpleRect*> silence_rects;
74 ArdourCanvas::SimpleLine* threshold_line;
75 double samples_per_unit;
76 SilenceResult silence;
78 Wave (ArdourCanvas::Group *, boost::shared_ptr<ARDOUR::AudioRegion>);
82 ArdourCanvas::Canvas* _canvas;
83 std::list<Wave*> _waves;
87 ARDOUR::framecnt_t max_audible;
88 ARDOUR::framecnt_t min_audible;
89 ARDOUR::framecnt_t max_silence;
90 ARDOUR::framecnt_t min_silence;
92 PBD::ScopedConnection* _peaks_ready_connection;
96 pthread_t _thread; ///< thread to compute silence in the background
97 static void * _detection_thread_work (void *);
98 void * detection_thread_work ();
99 Glib::Mutex _lock; ///< lock held while the thread is doing work
100 Glib::Cond _run_cond; ///< condition to wake the thread
101 bool _thread_should_finish; ///< true if the thread should terminate
102 PBD::Signal0<void> Completed; ///< emitted when a silence detection has completed
103 PBD::ScopedConnection _completed_connection;
104 ARDOUR::InterThreadInfo _interthread_info;