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/*
Copyright (C) 2012-2020 Carl Hetherington <cth@carlh.net>
This file is part of DCP-o-matic.
DCP-o-matic is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
DCP-o-matic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include "lib/audio_analysis.h"
#include "lib/constants.h"
#include <dcp/warnings.h>
LIBDCP_DISABLE_WARNINGS
#include <wx/wx.h>
LIBDCP_ENABLE_WARNINGS
#include <boost/signals2.hpp>
#include <vector>
struct Metrics;
class AudioPlot : public wxPanel
{
public:
explicit AudioPlot(wxWindow* parent);
void set_analysis(std::shared_ptr<AudioAnalysis>);
void set_channel_visible(int c, bool v);
void set_type_visible(int t, bool v);
void set_smoothing(int);
void set_message(wxString);
void set_gain_correction(double gain);
wxColour colour(int n) const;
boost::signals2::signal<void (boost::optional<dcpomatic::DCPTime>, boost::optional<float>)> Cursor;
boost::signals2::signal<void (dcpomatic::DCPTime)> Click;
static const int max_smoothing;
private:
struct Point {
Point() = default;
Point(wxPoint draw_, dcpomatic::DCPTime time_, float db_)
: draw(draw_)
, time(time_)
, db(db_)
{}
wxPoint draw;
dcpomatic::DCPTime time;
float db = 0;
};
typedef std::vector<Point> PointList;
void paint();
void plot_peak(wxGraphicsPath &, int, Metrics const &) const;
void plot_rms(wxGraphicsPath &, int, Metrics const &) const;
float y_for_linear (float, Metrics const &) const;
AudioPoint get_point(int channel, int point) const;
void left_down();
void mouse_moved(wxMouseEvent& ev);
void mouse_leave(wxMouseEvent& ev);
std::shared_ptr<AudioAnalysis> _analysis;
bool _channel_visible[MAX_DCP_AUDIO_CHANNELS];
bool _type_visible[AudioPoint::COUNT];
int _smoothing;
std::vector<wxColour> _colours;
wxString _message;
float _gain_correction;
/** peak values keyed by channel */
mutable std::map<int, PointList> _peak;
/** RMS values keyed by channel */
mutable std::map<int, PointList> _rms;
boost::optional<Point> _cursor;
static const int _minimum;
static const int _cursor_size;
};
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