strip_silence_dialog.h

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/*
 * Copyright (C) 2009-2010 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
 * Copyright (C) 2009-2017 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2015-2017 Robin Gareus <robin@gareus.org>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#include <ytkmm/progressbar.h>
#include <ytkmm/spinbutton.h>
 
#include <pbd/mutex.h>
#include <pbd/xml++.h>
 
#include "ardour/interthread_info.h"
#include "ardour/types.h"
#include "ardour_dialog.h"
#include "progress_reporter.h"
 
namespace ARDOUR {
        class Session;
}
 
class AudioClock;
class RegionView;
 
class StripSilenceDialog : public ArdourDialog, public ProgressReporter
{
public:
        StripSilenceDialog (ARDOUR::Session*, std::list<RegionView*> const &);
        ~StripSilenceDialog ();
 
        double threshold () const {
                return _threshold.get_value ();
        }
 
        void drop_rects ();
 
        void silences (ARDOUR::AudioIntervalMap&);
 
        ARDOUR::samplecnt_t minimum_length () const;
        ARDOUR::samplecnt_t fade_length () const;
 
        void on_response (int response_id) {
                Gtk::Dialog::on_response (response_id);
        }
 
        XMLNode& get_state () const;
        void set_state (const XMLNode &);
 
private:
        void create_waves ();
        void canvas_allocation (Gtk::Allocation &);
        void update_silence_rects ();
        void resize_silence_rects ();
        void update ();
        void update_threshold_line ();
        void update_stats (ARDOUR::AudioIntervalResult const &);
        void threshold_changed ();
        void update_progress_gui (float);
        void restart_thread ();
        void finished(int);
 
        Gtk::SpinButton _threshold;
        AudioClock*      _minimum_length;
        AudioClock*      _fade_length;
        Gtk::ProgressBar _progress_bar;
 
        Gtk::Button* cancel_button;
        Gtk::Button* apply_button;
 
        struct ViewInterval {
                RegionView* view;
                ARDOUR::AudioIntervalResult intervals;
 
                ViewInterval (RegionView* rv) : view (rv) {}
        };
 
        std::list<ViewInterval> views;
 
        bool _destroying;
 
        pthread_t _thread; 
        static void * _detection_thread_work (void *);
        void * detection_thread_work ();
        PBD::Mutex _lock; 
        PBD::Cond  _run_cond; 
        bool _thread_should_finish; 
        PBD::Signal<void()> Completed; 
        PBD::ScopedConnection _completed_connection;
        ARDOUR::InterThreadInfo _interthread_info;
 
        sigc::connection progress_idle_connection;
        bool idle_update_progress(); 
        int analysis_progress_cur;
        int analysis_progress_max;
 
        int _threshold_value;
        ARDOUR::samplecnt_t _minimum_length_value;
        ARDOUR::samplecnt_t _fade_length_value;
};