X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Faudio_plot.cc;h=74c10348e6bdb2fe9534988de1aec9cb632f43d4;hb=bd7f4bbde17d2087ba4c4bddf6439b3df869b1db;hp=cabbd206af5e0e22302e8d7decddc325bc3377c6;hpb=a423c0a0a6c891d0cacd42a3ac04c110c5f2be2e;p=dcpomatic.git

diff --git a/src/wx/audio_plot.cc b/src/wx/audio_plot.cc
index cabbd206a..74c10348e 100644
--- a/src/wx/audio_plot.cc
+++ b/src/wx/audio_plot.cc
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
+    Copyright (C) 2013-2020 Carl Hetherington <cth@carlh.net>
 
     This file is part of DCP-o-matic.
 
@@ -19,13 +19,15 @@
 */
 
 #include "audio_plot.h"
+#include "wx_util.h"
+#include "film_viewer.h"
 #include "lib/audio_decoder.h"
 #include "lib/audio_analysis.h"
 #include "lib/compose.hpp"
-#include "wx/wx_util.h"
 #include <wx/graphics.h>
-#include <boost/bind.hpp>
+#include <boost/bind/bind.hpp>
 #include <iostream>
+#include <cfloat>
 
 using std::cout;
 using std::vector;
@@ -36,13 +38,19 @@ using std::map;
 using boost::bind;
 using boost::optional;
 using boost::shared_ptr;
+using boost::weak_ptr;
+#if BOOST_VERSION >= 106100
+using namespace boost::placeholders;
+#endif
+using namespace dcpomatic;
 
 int const AudioPlot::_minimum = -70;
 int const AudioPlot::_cursor_size = 8;
 int const AudioPlot::max_smoothing = 128;
 
-AudioPlot::AudioPlot (wxWindow* parent)
+AudioPlot::AudioPlot (wxWindow* parent, weak_ptr<FilmViewer> viewer)
 	: wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE)
+	, _viewer (viewer)
 	, _smoothing (max_smoothing / 2)
 	, _gain_correction (0)
 {
@@ -85,6 +93,7 @@ AudioPlot::AudioPlot (wxWindow* parent)
 	Bind (wxEVT_PAINT, boost::bind (&AudioPlot::paint, this));
 	Bind (wxEVT_MOTION, boost::bind (&AudioPlot::mouse_moved, this, _1));
 	Bind (wxEVT_LEAVE_WINDOW, boost::bind (&AudioPlot::mouse_leave, this, _1));
+	Bind (wxEVT_LEFT_DOWN, boost::bind(&AudioPlot::left_down, this));
 
 	SetMinSize (wxSize (640, 512));
 }
@@ -144,6 +153,7 @@ AudioPlot::paint ()
 	if (!_analysis || _analysis->channels() == 0) {
 		gc->SetFont (gc->CreateFont (*wxNORMAL_FONT));
 		gc->DrawText (_message, 32, 32);
+		delete gc;
 		return;
 	}
 
@@ -265,7 +275,7 @@ AudioPlot::y_for_linear (float p, Metrics const & metrics) const
 		p = 1e-4;
 	}
 
-	return metrics.height - (20 * log10(p) - _minimum) * metrics.y_scale - metrics.y_origin;
+	return metrics.height - (linear_to_db(p) - _minimum) * metrics.y_scale - metrics.y_origin;
 }
 
 void
@@ -292,7 +302,7 @@ AudioPlot::plot_peak (wxGraphicsPath& path, int channel, Metrics const & metrics
 			Point (
 				wxPoint (metrics.db_label_width + i * metrics.x_scale, y_for_linear (peak, metrics)),
 				DCPTime::from_frames (i * _analysis->samples_per_point(), _analysis->sample_rate()),
-				20 * log10(peak)
+				linear_to_db(peak)
 				)
 			);
 	}
@@ -361,7 +371,7 @@ AudioPlot::plot_rms (wxGraphicsPath& path, int channel, Metrics const & metrics)
 			Point (
 				wxPoint (metrics.db_label_width + i * metrics.x_scale, y_for_linear (p, metrics)),
 				DCPTime::from_frames (i * _analysis->samples_per_point(), _analysis->sample_rate()),
-				20 * log10(p)
+				linear_to_db(p)
 				)
 			);
 	}
@@ -395,7 +405,7 @@ AudioPlot::get_point (int channel, int point) const
 {
 	AudioPoint p = _analysis->get_point (channel, point);
 	for (int i = 0; i < AudioPoint::COUNT; ++i) {
-		p[i] *= pow (10, _gain_correction / 20);
+		p[i] *= db_to_linear(_gain_correction);
 	}
 
 	return p;
@@ -425,6 +435,19 @@ AudioPlot::search (map<int, PointList> const & search, wxMouseEvent const & ev,
 	}
 }
 
+
+void
+AudioPlot::left_down ()
+{
+	if (_cursor) {
+		shared_ptr<FilmViewer> fv = _viewer.lock ();
+		if (fv) {
+			fv->seek (_cursor->time, true);
+		}
+	}
+}
+
+
 void
 AudioPlot::mouse_moved (wxMouseEvent& ev)
 {