/*
- Copyright (C) 2013-2015 Carl Hetherington <cth@carlh.net>
+ Copyright (C) 2013-2018 Carl Hetherington <cth@carlh.net>
- This program is free software; you can redistribute it and/or modify
+ 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.
- This program is distributed in the hope that it will be useful,
+ 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 this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
*/
#include <wx/graphics.h>
#include <boost/bind.hpp>
#include <iostream>
+#include <cfloat>
using std::cout;
using std::vector;
using std::list;
using std::max;
using std::min;
+using std::map;
using boost::bind;
+using boost::optional;
using boost::shared_ptr;
+using namespace dcpomatic;
int const AudioPlot::_minimum = -70;
+int const AudioPlot::_cursor_size = 8;
int const AudioPlot::max_smoothing = 128;
AudioPlot::AudioPlot (wxWindow* parent)
_colours.push_back (wxColour (255, 0, 139));
_colours.push_back (wxColour (139, 0, 255));
+ _colours.push_back (wxColour (139, 139, 255));
+ _colours.push_back (wxColour ( 0, 139, 255));
+ _colours.push_back (wxColour (255, 139, 139));
+ _colours.push_back (wxColour (255, 139, 0));
+
set_analysis (shared_ptr<AudioAnalysis> ());
-#if MAX_DCP_AUDIO_CHANNELS != 12
+#if MAX_DCP_AUDIO_CHANNELS != 16
#warning AudioPlot::AudioPlot is expecting the wrong MAX_DCP_AUDIO_CHANNELS
#endif
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));
SetMinSize (wxSize (640, 512));
}
double db_label_width;
int height;
int y_origin;
- float x_scale;
+ float x_scale; ///< pixels per data point
float y_scale;
};
return;
}
- wxGraphicsPath grid = gc->CreatePath ();
+ wxGraphicsPath h_grid = gc->CreatePath ();
gc->SetFont (gc->CreateFont (*wxSMALL_FONT));
wxDouble db_label_height;
wxDouble db_label_descent;
for (int i = _minimum; i <= 0; i += 10) {
int const y = (metrics.height - (i - _minimum) * metrics.y_scale) - metrics.y_origin;
- grid.MoveToPoint (metrics.db_label_width - 4, y);
- grid.AddLineToPoint (metrics.db_label_width + data_width, y);
+ h_grid.MoveToPoint (metrics.db_label_width - 4, y);
+ h_grid.AddLineToPoint (metrics.db_label_width + data_width, y);
gc->DrawText (std_to_wx (String::compose ("%1dB", i)), 0, y - (db_label_height / 2));
}
gc->SetPen (wxPen (wxColour (200, 200, 200)));
- gc->StrokePath (grid);
+ gc->StrokePath (h_grid);
+
+ /* Draw an x axis with marks */
+
+ wxGraphicsPath v_grid = gc->CreatePath ();
+
+ DCPOMATIC_ASSERT (_analysis->samples_per_point() != 0.0);
+ double const pps = _analysis->sample_rate() * metrics.x_scale / _analysis->samples_per_point();
+
+ gc->SetPen (*wxThePenList->FindOrCreatePen (wxColour (0, 0, 0), 1, wxPENSTYLE_SOLID));
+
+ double const mark_interval = calculate_mark_interval (rint (128 / pps));
+
+ DCPTime t = DCPTime::from_seconds (mark_interval);
+ while ((t.seconds() * pps) < data_width) {
+ double tc = t.seconds ();
+ int const h = tc / 3600;
+ tc -= h * 3600;
+ int const m = tc / 60;
+ tc -= m * 60;
+ int const s = tc;
+
+ wxString str = wxString::Format (wxT ("%02d:%02d:%02d"), h, m, s);
+ wxDouble str_width;
+ wxDouble str_height;
+ wxDouble str_descent;
+ wxDouble str_leading;
+ gc->GetTextExtent (str, &str_width, &str_height, &str_descent, &str_leading);
+
+ int const tx = llrintf (metrics.db_label_width + t.seconds() * pps);
+ gc->DrawText (str, tx - str_width / 2, metrics.height - metrics.y_origin + db_label_height);
+
+ v_grid.MoveToPoint (tx, metrics.height - metrics.y_origin + 4);
+ v_grid.AddLineToPoint (tx, metrics.y_origin);
+
+ t += DCPTime::from_seconds (mark_interval);
+ }
- gc->DrawText (_("Time"), data_width, metrics.height - metrics.y_origin + db_label_height / 2);
+ gc->SetPen (wxPen (wxColour (200, 200, 200)));
+ gc->StrokePath (v_grid);
if (_type_visible[AudioPoint::PEAK]) {
for (int c = 0; c < MAX_DCP_AUDIO_CHANNELS; ++c) {
gc->SetPen (wxPen (wxColour (0, 0, 0)));
gc->StrokePath (axes);
+ if (_cursor) {
+ wxGraphicsPath cursor = gc->CreatePath ();
+ cursor.MoveToPoint (_cursor->draw.x - _cursor_size / 2, _cursor->draw.y - _cursor_size / 2);
+ cursor.AddLineToPoint (_cursor->draw.x + _cursor_size / 2, _cursor->draw.y + _cursor_size / 2);
+ cursor.MoveToPoint (_cursor->draw.x + _cursor_size / 2, _cursor->draw.y - _cursor_size / 2);
+ cursor.AddLineToPoint (_cursor->draw.x - _cursor_size / 2, _cursor->draw.y + _cursor_size / 2);
+ gc->StrokePath (cursor);
+
+
+ }
+
delete gc;
}
return;
}
- path.MoveToPoint (metrics.db_label_width, y_for_linear (get_point(channel, 0)[AudioPoint::PEAK], metrics));
+ _peak[channel] = PointList ();
float peak = 0;
int const N = _analysis->points(channel);
peak = 0;
}
- path.AddLineToPoint (metrics.db_label_width + i * metrics.x_scale, y_for_linear (peak, metrics));
+ _peak[channel].push_back (
+ 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)
+ )
+ );
+ }
+
+ DCPOMATIC_ASSERT (_peak.find(channel) != _peak.end());
+
+ path.MoveToPoint (_peak[channel][0].draw);
+ BOOST_FOREACH (Point const & i, _peak[channel]) {
+ path.AddLineToPoint (i.draw);
}
}
return;
}
- path.MoveToPoint (metrics.db_label_width, y_for_linear (get_point(channel, 0)[AudioPoint::RMS], metrics));
+ _rms[channel] = PointList();
list<float> smoothing;
p = sqrt (p / smoothing.size ());
}
- path.AddLineToPoint (metrics.db_label_width + i * metrics.x_scale, y_for_linear (p, metrics));
+ _rms[channel].push_back (
+ 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)
+ )
+ );
+ }
+
+ DCPOMATIC_ASSERT (_rms.find(channel) != _rms.end());
+
+ path.MoveToPoint (_rms[channel][0].draw);
+ BOOST_FOREACH (Point const & i, _rms[channel]) {
+ path.AddLineToPoint (i.draw);
}
}
AudioPlot::set_smoothing (int s)
{
_smoothing = s;
+ _rms.clear ();
+ _peak.clear ();
Refresh ();
}
return p;
}
+
+/** @param n Channel index.
+ * @return Colour used by that channel in the plot.
+ */
+wxColour
+AudioPlot::colour (int n) const
+{
+ DCPOMATIC_ASSERT (n < int(_colours.size()));
+ return _colours[n];
+}
+
+void
+AudioPlot::search (map<int, PointList> const & search, wxMouseEvent const & ev, double& min_dist, Point& min_point) const
+{
+ for (map<int, PointList>::const_iterator i = search.begin(); i != search.end(); ++i) {
+ BOOST_FOREACH (Point const & j, i->second) {
+ double const dist = pow(ev.GetX() - j.draw.x, 2) + pow(ev.GetY() - j.draw.y, 2);
+ if (dist < min_dist) {
+ min_dist = dist;
+ min_point = j;
+ }
+ }
+ }
+}
+
+void
+AudioPlot::mouse_moved (wxMouseEvent& ev)
+{
+ double min_dist = DBL_MAX;
+ Point min_point;
+
+ search (_rms, ev, min_dist, min_point);
+ search (_peak, ev, min_dist, min_point);
+
+ _cursor = optional<Point> ();
+
+ if (min_dist < DBL_MAX) {
+ wxRect before (min_point.draw.x - _cursor_size / 2, min_point.draw.y - _cursor_size / 2, _cursor_size, _cursor_size);
+ GetParent()->Refresh (true, &before);
+ _cursor = min_point;
+ wxRect after (min_point.draw.x - _cursor_size / 2, min_point.draw.y - _cursor_size / 2, _cursor_size, _cursor_size);
+ GetParent()->Refresh (true, &after);
+ Cursor (min_point.time, min_point.db);
+ }
+}
+
+void
+AudioPlot::mouse_leave (wxMouseEvent &)
+{
+ _cursor = optional<Point> ();
+ Refresh ();
+ Cursor (optional<DCPTime>(), optional<float>());
+}
projects / dcpomatic.git / blobdiff