GUI part: cleanup peak-files

gtk2_ardour/ardour.menus.in

@@ -36,7 +36,8 @@
         <menuitem action='ExportVideo'/>
       </menu>
       <menu name='Cleanup' action='Cleanup'>
-		<menuitem action='bring-into-session'/>
+        <menuitem action='bring-into-session'/>
+        <menuitem action='CleanupPeakFiles'/>
         <menuitem action='CleanupUnused'/>
         <menuitem action='FlushWastebasket'/>
       </menu>

gtk2_ardour/ardour_ui.cc

@@ -107,6 +107,7 @@ typedef uint64_t microseconds_t;
 #include "ambiguous_file_dialog.h"
 #include "ardour_ui.h"
 #include "audio_clock.h"
+#include "audio_region_view.h"
 #include "big_clock_window.h"
 #include "bundle_manager.h"
 #include "engine_dialog.h"
@@ -3712,6 +3713,47 @@ ARDOUR_UI::flush_trash ()
 	display_cleanup_results (rep, _("deleted file"), true);
 }
 
+void
+ARDOUR_UI::cleanup_peakfiles ()
+{
+	if (_session == 0) {
+		/* shouldn't happen: menu item is insensitive */
+		return;
+	}
+
+	if (! _session->can_cleanup_peakfiles ()) {
+		return;
+	}
+
+	// get all region-views in this session
+	RegionSelection rs;
+	TrackViewList empty;
+	empty.clear();
+	editor->get_regions_after(rs, (framepos_t) 0, empty);
+	std::list<RegionView*> views = rs.by_layer();
+
+	// remove displayed audio-region-views waveforms
+	for (list<RegionView*>::iterator i = views.begin(); i != views.end(); ++i) {
+		AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*i);
+		if (!arv) { continue ; }
+		arv->delete_waves();
+	}
+
+	// cleanup peak files:
+	// - stop pending peakfile threads
+	// - close peakfiles if any
+	// - remove peak dir in session
+	// - setup peakfiles (background thread)
+	_session->cleanup_peakfiles ();
+
+	// re-add waves to ARV
+	for (list<RegionView*>::iterator i = views.begin(); i != views.end(); ++i) {
+		AudioRegionView* arv = dynamic_cast<AudioRegionView*> (*i);
+		if (!arv) { continue ; }
+		arv->create_waves();
+	}
+}
+
 void
 ARDOUR_UI::setup_order_hint (AddRouteDialog::InsertAt place)
 {

gtk2_ardour/ardour_ui.h

@@ -688,6 +688,7 @@ class ARDOUR_UI : public Gtkmm2ext::UI, public ARDOUR::SessionHandlePtr
 
 	void display_cleanup_results (ARDOUR::CleanupReport& rep, const gchar* list_title, const bool msg_delete);
 	void cleanup ();
+	void cleanup_peakfiles ();
 	void flush_trash ();
 
 	bool have_configure_timeout;

gtk2_ardour/ardour_ui_ed.cc

@@ -182,6 +182,10 @@ ARDOUR_UI::install_actions ()
 	ActionManager::session_sensitive_actions.push_back (act);
 	ActionManager::write_sensitive_actions.push_back (act);
 
+	act = ActionManager::register_action (main_actions, X_("CleanupPeakFiles"), _("Clean-up Peak Files..."),  sigc::mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::cleanup_peakfiles));
+	ActionManager::session_sensitive_actions.push_back (act);
+	ActionManager::write_sensitive_actions.push_back (act);
+
 	act = ActionManager::register_action (main_actions, X_("FlushWastebasket"), _("Flush Wastebasket"),  sigc::mem_fun (*(ARDOUR_UI::instance()), &ARDOUR_UI::flush_trash));
 	ActionManager::write_sensitive_actions.push_back (act);
 	ActionManager::session_sensitive_actions.push_back (act);

gtk2_ardour/audio_region_view.cc

@@ -1115,6 +1115,22 @@ AudioRegionView::update_envelope_visibility ()
 	}
 }
 
+void
+AudioRegionView::delete_waves ()
+{
+	for (vector<ScopedConnection*>::iterator i = _data_ready_connections.begin(); i != _data_ready_connections.end(); ++i) {
+		delete *i;
+	}
+	_data_ready_connections.clear ();
+
+	for (vector<WaveView*>::iterator w = waves.begin(); w != waves.end(); ++w) {
+		group->remove(*w);
+	}
+	waves.clear();
+	tmp_waves.clear();
+	pending_peak_data->show ();
+}
+
 void
 AudioRegionView::create_waves ()
 {

gtk2_ardour/audio_region_view.h

@@ -74,6 +74,7 @@ class AudioRegionView : public RegionView
 	boost::shared_ptr<ARDOUR::AudioRegion> audio_region() const;
 
 	void create_waves ();
+	void delete_waves ();
 
 	void set_height (double);
 	void set_samples_per_pixel (double);

gtk2_ardour/public_editor.h

@@ -421,6 +421,7 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulDestructible, publi
 	                                    bool              for_mark  = false) = 0;
 
 	virtual void get_regions_at (RegionSelection &, framepos_t where, TrackViewList const &) const = 0;
+	virtual void get_regions_after (RegionSelection&, framepos_t where, const TrackViewList& ts) const = 0;
 	virtual RegionSelection get_regions_from_selection_and_mouse (framepos_t) = 0;
 	virtual void get_regionviews_by_id (PBD::ID const id, RegionSelection & regions) const = 0;
 	virtual void get_per_region_note_selection (std::list<std::pair<PBD::ID, std::set<boost::shared_ptr<Evoral::Note<Evoral::Beats> > > > >&) const = 0;