Add progress bar to strip silence dialogue. Fixes #3103.

git-svn-id: svn://localhost/ardour2/branches/3.0@7809 d708f5d6-7413-0410-9779-e7cbd77b26cf

gtk2_ardour/editor.h

@@ -127,6 +127,7 @@ class EditorLocations;
 class EditorSnapshots;
 class EditorSummary;
 class RegionLayeringOrderEditor;
+class ProgressReporter;
 
 /* <CMT Additions> */
 class ImageFrameView;
@@ -1910,7 +1911,7 @@ class Editor : public PublicEditor, public PBD::ScopedConnectionList, public ARD
 
 	/* audio filters */
 
-	void apply_filter (ARDOUR::Filter&, std::string cmd);
+	void apply_filter (ARDOUR::Filter&, std::string cmd, ProgressReporter* progress = 0);
 
 	Command* apply_midi_note_edit_op_to_region (ARDOUR::MidiOperator& op, MidiRegionView& mrv);
 	void apply_midi_note_edit_op (ARDOUR::MidiOperator& op);

gtk2_ardour/editor_ops.cc

@@ -4740,7 +4740,7 @@ Editor::strip_region_silence ()
 
 	if (r == Gtk::RESPONSE_OK) {
 		StripSilence s (*_session, d.threshold (), d.minimum_length (), d.fade_length ());
-		apply_filter (s, _("strip silence"));
+		apply_filter (s, _("strip silence"), &d);
 	}
 }
 
@@ -4855,7 +4855,7 @@ Editor::quantize_region ()
 }
 
 void
-Editor::apply_filter (Filter& filter, string command)
+Editor::apply_filter (Filter& filter, string command, ProgressReporter* progress)
 {
 	RegionSelection rs;
 
@@ -4870,6 +4870,9 @@ Editor::apply_filter (Filter& filter, string command)
 	track_canvas->get_window()->set_cursor (*wait_cursor);
 	gdk_flush ();
 
+	int n = 0;
+	int const N = rs.size ();
+	
 	for (RegionSelection::iterator r = rs.begin(); r != rs.end(); ) {
 		RegionSelection::iterator tmp = r;
 		++tmp;
@@ -4878,10 +4881,14 @@ Editor::apply_filter (Filter& filter, string command)
 		if (arv) {
 			boost::shared_ptr<Playlist> playlist = arv->region()->playlist();
 
-			if (arv->audio_region()->apply (filter) == 0) {
+			if (progress) {
+				progress->descend (1.0 / N);
+			}
+
+			if (arv->audio_region()->apply (filter, progress) == 0) {
 
 				playlist->clear_changes ();
-                                
+
 				if (filter.results.empty ()) {
 
 					/* no regions returned; remove the old one */
@@ -4907,9 +4914,15 @@ Editor::apply_filter (Filter& filter, string command)
 			} else {
 				goto out;
 			}
+
+			if (progress) {
+				progress->ascend ();
+				progress->set_progress (float (n + 1) / N);
+			}
 		}
 
 		r = tmp;
+		++n;
 	}
 
 	commit_reversible_command ();

gtk2_ardour/strip_silence_dialog.cc

@@ -53,6 +53,7 @@ StripSilenceDialog* StripSilenceDialog::current = 0;
 /** Construct Strip silence dialog box */
 StripSilenceDialog::StripSilenceDialog (Session* s, list<boost::shared_ptr<ARDOUR::AudioRegion> > const & regions)
 	: ArdourDialog (_("Strip Silence"))
+	, ProgressReporter ()
         , _minimum_length (X_("silence duration"), true, "SilenceDurationClock", true, false, true, false)
         , _fade_length (X_("silence duration"), true, "SilenceDurationClock", true, false, true, false)
         , _wave_width (640)
@@ -143,6 +144,8 @@ StripSilenceDialog::StripSilenceDialog (Session* s, list<boost::shared_ptr<ARDOU
 
 	get_vbox()->pack_start (*_canvas, true, true);
 
+	get_vbox()->pack_start (_progress_bar, true, true);
+
 	show_all ();
 
         _threshold.get_adjustment()->signal_value_changed().connect (sigc::mem_fun (*this, &StripSilenceDialog::threshold_changed));
@@ -560,3 +563,9 @@ StripSilenceDialog::Wave::~Wave ()
 		delete *i;
 	}
 }
+
+void
+StripSilenceDialog::update_progress_gui (float p)
+{
+	_progress_bar.set_fraction (p);
+}

gtk2_ardour/strip_silence_dialog.h

@@ -23,6 +23,7 @@
 #include "ardour/types.h"
 #include "ardour_dialog.h"
 #include "canvas.h"
+#include "progress_reporter.h"
 
 namespace ARDOUR {
 	class AudioRegion;
@@ -30,7 +31,7 @@ namespace ARDOUR {
 }
 
 /// 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 &);
@@ -52,6 +53,7 @@ private:
         void resize_silence_rects ();
 	void update_threshold_line ();
 	void threshold_changed ();
+	void update_progress_gui (float);
 
 	Gtk::SpinButton _threshold;
 	AudioClock      _minimum_length;
@@ -59,6 +61,7 @@ private:
         Gtk::Label      _segment_count_label;
 	Gtk::Label      _shortest_silence_label;
 	Gtk::Label      _shortest_audible_label;
+	Gtk::ProgressBar _progress_bar;
         typedef std::list<std::pair<ARDOUR::frameoffset_t,ARDOUR::framecnt_t> > SilenceResult;
 
 	struct Wave {

gtk2_ardour/wscript

@@ -167,6 +167,7 @@ gtk2_ardour_sources = [
 	'port_matrix_labels.cc',
 	'port_matrix_row_labels.cc',
 	'processor_box.cc',
+	'progress_reporter.cc',
 	'prompter.cc',
 	'public_editor.cc',
 	'quantize_dialog.cc',

libs/ardour/ardour/filter.h

@@ -28,13 +28,14 @@ namespace ARDOUR {
 
 class Region;
 class Session;
+class Progress;	
 
 class Filter {
 
   public:
 	virtual ~Filter() {}
 
-	virtual int run (boost::shared_ptr<ARDOUR::Region>) = 0;
+	virtual int run (boost::shared_ptr<ARDOUR::Region>, Progress* progress = 0) = 0;
 	std::vector<boost::shared_ptr<ARDOUR::Region> > results;
 
   protected:

libs/ardour/ardour/midi_stretch.h

@@ -29,7 +29,7 @@ class MidiStretch : public Filter {
 	MidiStretch (ARDOUR::Session&, TimeFXRequest&);
 	~MidiStretch ();
 
-	int run (boost::shared_ptr<ARDOUR::Region>);
+	int run (boost::shared_ptr<ARDOUR::Region>, Progress* progress = 0);
 
   private:
 	TimeFXRequest& _request;

libs/ardour/ardour/rb_effect.h

@@ -31,7 +31,7 @@ class RBEffect : public Filter {
 	RBEffect (ARDOUR::Session&, TimeFXRequest&);
 	~RBEffect ();
 
-	int run (boost::shared_ptr<ARDOUR::Region>);
+	int run (boost::shared_ptr<ARDOUR::Region>, Progress* progress = 0);
 
   private:
 	TimeFXRequest& tsr;

libs/ardour/ardour/region.h

@@ -68,6 +68,7 @@ namespace Properties {
 class Playlist;
 class Filter;
 class ExportSpecification;
+class Progress;	
 
 enum RegionEditState {
 	EditChangesNothing = 0,
@@ -205,7 +206,7 @@ class Region
 	void set_locked (bool yn);
 	void set_position_locked (bool yn);
 
-	int apply (Filter&);
+	int apply (Filter &, Progress* progress = 0);
 
 	virtual uint64_t read_data_count() const { return _read_data_count; }
 

libs/ardour/ardour/reverse.h

@@ -29,7 +29,7 @@ class Reverse : public Filter {
 	Reverse (ARDOUR::Session&);
 	~Reverse ();
 
-	int run (boost::shared_ptr<ARDOUR::Region>);
+	int run (boost::shared_ptr<ARDOUR::Region>, Progress *);
 };
 
 } /* namespace */

libs/ardour/ardour/strip_silence.h

@@ -27,7 +27,7 @@ class StripSilence : public Filter {
 public:
 	StripSilence (Session &, double, nframes_t, nframes_t);
 
-	int run (boost::shared_ptr<ARDOUR::Region>);
+	int run (boost::shared_ptr<ARDOUR::Region>, Progress* progress = 0);
 
 private:
 	double _threshold; ///< silence threshold, in dBFS

libs/ardour/midi_stretch.cc

@@ -42,7 +42,7 @@ MidiStretch::~MidiStretch ()
 }
 
 int
-MidiStretch::run (boost::shared_ptr<Region> r)
+MidiStretch::run (boost::shared_ptr<Region> r, Progress* progress)
 {
 	SourceList nsrcs;
 	char suffix[32];

libs/ardour/rb_effect.cc

@@ -60,7 +60,7 @@ RBEffect::~RBEffect ()
 }
 
 int
-RBEffect::run (boost::shared_ptr<Region> r)
+RBEffect::run (boost::shared_ptr<Region> r, Progress* progress)
 {
 	boost::shared_ptr<AudioRegion> region = boost::dynamic_pointer_cast<AudioRegion> (r);
 

libs/ardour/region.cc

@@ -1535,9 +1535,9 @@ Region::get_parent() const
 }
 
 int
-Region::apply (Filter& filter)
+Region::apply (Filter& filter, Progress* progress)
 {
-	return filter.run (shared_from_this());
+	return filter.run (shared_from_this(), progress);
 }
 
 

libs/ardour/reverse.cc

@@ -42,7 +42,7 @@ Reverse::~Reverse ()
 }
 
 int
-Reverse::run (boost::shared_ptr<Region> r)
+Reverse::run (boost::shared_ptr<Region> r, Progress* progress)
 {
 	SourceList nsrcs;
 	SourceList::iterator si;

libs/ardour/strip_silence.cc

@@ -24,6 +24,7 @@
 #include "ardour/region_factory.h"
 #include "ardour/session.h"
 #include "ardour/dB.h"
+#include "ardour/progress.h"
 
 using namespace ARDOUR;
 
@@ -41,7 +42,7 @@ StripSilence::StripSilence (Session & s, double threshold, nframes_t minimum_len
 }
 
 int
-StripSilence::run (boost::shared_ptr<Region> r)
+StripSilence::run (boost::shared_ptr<Region> r, Progress* progress)
 {
 	results.clear ();
 
@@ -88,6 +89,9 @@ StripSilence::run (boost::shared_ptr<Region> r)
                 in_silence = false;
         }
 
+	int n = 0;
+	int const N = silence.size ();
+
         while (s != silence.end()) {
 
                 framecnt_t interval_duration;
@@ -119,6 +123,11 @@ StripSilence::run (boost::shared_ptr<Region> r)
                 ++s;
                 end = s->first;
                 in_silence = !in_silence;
+
+		if (progress) {
+			progress->set_progress (float (n) / N);
+		}
+		++n;
         }
 
 	return 0;

libs/ardour/wscript

@@ -148,6 +148,7 @@ libardour_sources = [
 	'port_set.cc',
 	'process_thread.cc',
 	'processor.cc',
+	'progress.cc',
 	'quantize.cc',
 	'rc_configuration.cc',
 	'recent_sessions.cc',