313da7822a
git-svn-id: svn://localhost/ardour2/branches/3.0@8071 d708f5d6-7413-0410-9779-e7cbd77b26cf
106 lines
3.2 KiB
C++
106 lines
3.2 KiB
C++
/*
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Copyright (C) 2009 Paul Davis
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <gtkmm/spinbutton.h>
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#include <glibmm/thread.h>
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#include "ardour/types.h"
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#include "ardour_dialog.h"
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#include "canvas.h"
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#include "progress_reporter.h"
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namespace ARDOUR {
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class AudioRegion;
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class Session;
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}
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/// Dialog box to set options for the `strip silence' filter
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class StripSilenceDialog : public ArdourDialog, public ProgressReporter
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{
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public:
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StripSilenceDialog (ARDOUR::Session*, std::list<boost::shared_ptr<ARDOUR::AudioRegion> > const &);
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~StripSilenceDialog ();
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double threshold () const {
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return _threshold.get_value ();
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}
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nframes_t minimum_length () const;
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nframes_t fade_length () const;
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private:
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typedef std::list<std::pair<ARDOUR::frameoffset_t,ARDOUR::framecnt_t> > SilenceResult;
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void create_waves ();
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void peaks_ready ();
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void canvas_allocation (Gtk::Allocation &);
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void update_silence_rects ();
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void resize_silence_rects ();
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void update ();
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void update_threshold_line ();
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void update_stats (SilenceResult const &);
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void threshold_changed ();
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void update_progress_gui (float);
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void restart_thread ();
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Gtk::SpinButton _threshold;
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AudioClock _minimum_length;
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AudioClock _fade_length;
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Gtk::Label _segment_count_label;
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Gtk::Label _shortest_silence_label;
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Gtk::Label _shortest_audible_label;
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Gtk::ProgressBar _progress_bar;
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struct Wave {
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boost::shared_ptr<ARDOUR::AudioRegion> region;
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ArdourCanvas::WaveView* view;
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std::list<ArdourCanvas::SimpleRect*> silence_rects;
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ArdourCanvas::SimpleLine* threshold_line;
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double samples_per_unit;
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SilenceResult silence;
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Wave (ArdourCanvas::Group *, boost::shared_ptr<ARDOUR::AudioRegion>);
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~Wave ();
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};
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ArdourCanvas::Canvas* _canvas;
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std::list<Wave*> _waves;
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int _wave_width;
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int _wave_height;
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ARDOUR::framecnt_t max_audible;
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ARDOUR::framecnt_t min_audible;
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ARDOUR::framecnt_t max_silence;
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ARDOUR::framecnt_t min_silence;
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PBD::ScopedConnection* _peaks_ready_connection;
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bool _destroying;
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pthread_t _thread; ///< thread to compute silence in the background
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static void * _detection_thread_work (void *);
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void * detection_thread_work ();
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Glib::Mutex _lock; ///< lock held while the thread is doing work
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Glib::Cond _run_cond; ///< condition to wake the thread
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bool _thread_should_finish; ///< true if the thread should terminate
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PBD::Signal0<void> Completed; ///< emitted when a silence detection has completed
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PBD::ScopedConnection _completed_connection;
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ARDOUR::InterThreadInfo _interthread_info;
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};
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