2 Copyright (C) 2012-2018 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
22 #include "lib/audio_analysis.h"
24 #include <boost/shared_ptr.hpp>
25 #include <boost/signals2.hpp>
30 class AudioPlot : public wxPanel
33 explicit AudioPlot (wxWindow *);
35 void set_analysis (boost::shared_ptr<AudioAnalysis>);
36 void set_channel_visible (int c, bool v);
37 void set_type_visible (int t, bool v);
38 void set_smoothing (int);
39 void set_message (wxString);
40 void set_gain_correction (double gain);
42 wxColour colour (int n) const;
44 boost::signals2::signal<void (boost::optional<dcpomatic::DCPTime>, boost::optional<float>)> Cursor;
46 static const int max_smoothing;
55 Point (wxPoint draw_, dcpomatic::DCPTime time_, float db_)
62 dcpomatic::DCPTime time;
66 typedef std::vector<Point> PointList;
69 void plot_peak (wxGraphicsPath &, int, Metrics const &) const;
70 void plot_rms (wxGraphicsPath &, int, Metrics const &) const;
71 float y_for_linear (float, Metrics const &) const;
72 AudioPoint get_point (int channel, int point) const;
73 void mouse_moved (wxMouseEvent& ev);
74 void mouse_leave (wxMouseEvent& ev);
75 void search (std::map<int, PointList> const & search, wxMouseEvent const & ev, double& min_dist, Point& min_point) const;
77 boost::shared_ptr<AudioAnalysis> _analysis;
78 bool _channel_visible[MAX_DCP_AUDIO_CHANNELS];
79 bool _type_visible[AudioPoint::COUNT];
81 std::vector<wxColour> _colours;
83 float _gain_correction;
85 mutable std::map<int, PointList> _peak;
86 mutable std::map<int, PointList> _rms;
88 boost::optional<Point> _cursor;
90 static const int _minimum;
91 static const int _cursor_size;