Preference Dropdown to limit Automatable Parameters
[ardour.git] / gtk2_ardour / strip_silence_dialog.h
index 108bbb4b7b12fddbadeacb97148d0adefa95c43d..8179d2cbe2ee51ab5ba43ddc99574fc343a3938e 100644 (file)
 */
 
 #include <gtkmm/spinbutton.h>
-#include <glibmm/thread.h>
+#include <glibmm/threads.h>
 
 #include "ardour/types.h"
 #include "ardour_dialog.h"
-#include "canvas.h"
+#include "progress_reporter.h"
 
 namespace ARDOUR {
-       class AudioRegion;
-        class Session;
+       class Session;
 }
 
+class AudioClock;
+class RegionView;
+
 /// Dialog box to set options for the `strip silence' filter
-class StripSilenceDialog : public ArdourDialog
+class StripSilenceDialog : public ArdourDialog, public ProgressReporter
 {
 public:
-        StripSilenceDialog (ARDOUR::Session*, std::list<boost::shared_ptr<ARDOUR::AudioRegion> > const &);
+       StripSilenceDialog (ARDOUR::Session*, std::list<RegionView*> const &);
        ~StripSilenceDialog ();
 
        double threshold () const {
                return _threshold.get_value ();
        }
 
-        nframes_t minimum_length () const;
-        nframes_t fade_length () const;
-        static void stop_thread ();
+       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);
+       }
 
 private:
        void create_waves ();
-       void peaks_ready ();
        void canvas_allocation (Gtk::Allocation &);
        void update_silence_rects ();
-        void redraw_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 ();
 
        Gtk::SpinButton _threshold;
-       AudioClock      _minimum_length;
-        AudioClock      _fade_length;
-        Gtk::Label      _segment_count_label;
-        typedef std::list<std::pair<ARDOUR::frameoffset_t,ARDOUR::framecnt_t> > SilenceResult;
-
-       struct Wave {
-            boost::shared_ptr<ARDOUR::AudioRegion> region;
-            ArdourCanvas::WaveView* view;
-            std::list<ArdourCanvas::SimpleRect*> silence_rects;
-            double samples_per_unit;
-            SilenceResult silence;
-          
-            Wave() : view (0), samples_per_unit (1) { }
+       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) {}
        };
 
-       ArdourCanvas::Canvas* _canvas;
-       std::list<Wave> _waves;
-       int _wave_width;
-       int _wave_height;
-        bool restart_queued;
-
-        static ARDOUR::InterThreadInfo itt;
-        static bool thread_should_exit;
-        static Glib::Cond *thread_run;
-        static Glib::Cond *thread_waiting;
-        static Glib::StaticMutex run_lock;
-        static StripSilenceDialog* current;
-
-        ARDOUR::framecnt_t max_audible;
-        ARDOUR::framecnt_t min_audible;
-        ARDOUR::framecnt_t max_silence;
-        ARDOUR::framecnt_t min_silence;
-
-       PBD::ScopedConnection* _peaks_ready_connection;
-    
-        static bool  _detection_done (void*);
-        static void* _detection_thread_work (void*);
-
-        bool  detection_done ();
-        void* detection_thread_work ();
-        bool  start_silence_detection ();
-        void  maybe_start_silence_detection ();
-
-        void update_stats (const SilenceResult&);
+       std::list<ViewInterval> views;
+
+       bool _destroying;
+
+       pthread_t _thread; ///< thread to compute silence in the background
+       static void * _detection_thread_work (void *);
+       void * detection_thread_work ();
+       Glib::Threads::Mutex _lock; ///< lock held while the thread is doing work
+       Glib::Threads::Cond  _run_cond; ///< condition to wake the thread
+       bool _thread_should_finish; ///< true if the thread should terminate
+       PBD::Signal0<void> Completed; ///< emitted when a silence detection has completed
+       PBD::ScopedConnection _completed_connection;
+       ARDOUR::InterThreadInfo _interthread_info;
+
+       sigc::connection progress_idle_connection;
+       bool idle_update_progress(); ///< GUI-thread progress updates of background silence computation
+       int analysis_progress_cur;
+       int analysis_progress_max;
 };