X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Faudio_plot.cc;h=90a4aa91df39b5a5cc468ba8a3850b0b5f4b2ba4;hb=df79d429bf1663a0053844b7e98690d2fdfb790d;hp=19e7bdac8420a48de65212dbfdcd631430d8bfee;hpb=37c28f4c76df89bc84d773beda1bb90be1cedd1a;p=dcpomatic.git diff --git a/src/wx/audio_plot.cc b/src/wx/audio_plot.cc index 19e7bdac8..90a4aa91d 100644 --- a/src/wx/audio_plot.cc +++ b/src/wx/audio_plot.cc @@ -1,5 +1,5 @@ /* - Copyright (C) 2013-2015 Carl Hetherington + Copyright (C) 2013-2020 Carl Hetherington This file is part of DCP-o-matic. @@ -18,28 +18,43 @@ */ + #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 -#include +#include #include +#include + using std::cout; using std::vector; using std::list; using std::max; using std::min; +using std::map; using boost::bind; -using boost::shared_ptr; +using boost::optional; +using std::shared_ptr; +using std::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 viewer) : wxPanel (parent, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxFULL_REPAINT_ON_RESIZE) + , _viewer (viewer) , _smoothing (max_smoothing / 2) , _gain_correction (0) { @@ -80,10 +95,14 @@ AudioPlot::AudioPlot (wxWindow* parent) #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)); + Bind (wxEVT_LEFT_DOWN, boost::bind(&AudioPlot::left_down, this)); SetMinSize (wxSize (640, 512)); } + void AudioPlot::set_analysis (shared_ptr a) { @@ -96,6 +115,7 @@ AudioPlot::set_analysis (shared_ptr a) Refresh (); } + void AudioPlot::set_channel_visible (int c, bool v) { @@ -103,6 +123,7 @@ AudioPlot::set_channel_visible (int c, bool v) Refresh (); } + void AudioPlot::set_type_visible (int t, bool v) { @@ -110,6 +131,7 @@ AudioPlot::set_type_visible (int t, bool v) Refresh (); } + void AudioPlot::set_message (wxString s) { @@ -117,6 +139,7 @@ AudioPlot::set_message (wxString s) Refresh (); } + struct Metrics { double db_label_width; @@ -126,23 +149,27 @@ struct Metrics float y_scale; }; + void AudioPlot::paint () { wxPaintDC dc (this); - wxGraphicsContext* gc = wxGraphicsContext::Create (dc); + auto gc = wxGraphicsContext::Create (dc); if (!gc) { return; } + gc->SetAntialiasMode (wxANTIALIAS_DEFAULT); + if (!_analysis || _analysis->channels() == 0) { gc->SetFont (gc->CreateFont (*wxNORMAL_FONT)); gc->DrawText (_message, 32, 32); + delete gc; return; } - wxGraphicsPath h_grid = gc->CreatePath (); + auto h_grid = gc->CreatePath (); gc->SetFont (gc->CreateFont (*wxSMALL_FONT)); wxDouble db_label_height; wxDouble db_label_descent; @@ -171,7 +198,7 @@ AudioPlot::paint () /* Draw an x axis with marks */ - wxGraphicsPath v_grid = gc->CreatePath (); + auto 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(); @@ -180,7 +207,7 @@ AudioPlot::paint () double const mark_interval = calculate_mark_interval (rint (128 / pps)); - DCPTime t = DCPTime::from_seconds (mark_interval); + auto t = DCPTime::from_seconds (mark_interval); while ((t.seconds() * pps) < data_width) { double tc = t.seconds (); int const h = tc / 3600; @@ -189,7 +216,7 @@ AudioPlot::paint () tc -= m * 60; int const s = tc; - wxString str = wxString::Format (wxT ("%02d:%02d:%02d"), h, m, s); + auto str = wxString::Format (wxT ("%02d:%02d:%02d"), h, m, s); wxDouble str_width; wxDouble str_height; wxDouble str_descent; @@ -210,11 +237,11 @@ AudioPlot::paint () if (_type_visible[AudioPoint::PEAK]) { for (int c = 0; c < MAX_DCP_AUDIO_CHANNELS; ++c) { - wxGraphicsPath p = gc->CreatePath (); + auto p = gc->CreatePath (); if (_channel_visible[c] && c < _analysis->channels()) { plot_peak (p, c, metrics); } - wxColour const col = _colours[c]; + auto const col = _colours[c]; gc->SetPen (wxPen (wxColour (col.Red(), col.Green(), col.Blue(), col.Alpha() / 2), 1, wxPENSTYLE_SOLID)); gc->StrokePath (p); } @@ -222,26 +249,36 @@ AudioPlot::paint () if (_type_visible[AudioPoint::RMS]) { for (int c = 0; c < MAX_DCP_AUDIO_CHANNELS; ++c) { - wxGraphicsPath p = gc->CreatePath (); + auto p = gc->CreatePath (); if (_channel_visible[c] && c < _analysis->channels()) { plot_rms (p, c, metrics); } - wxColour const col = _colours[c]; + auto const col = _colours[c]; gc->SetPen (wxPen (col, 1, wxPENSTYLE_SOLID)); gc->StrokePath (p); } } - wxGraphicsPath axes = gc->CreatePath (); + auto axes = gc->CreatePath (); axes.MoveToPoint (metrics.db_label_width, 0); axes.AddLineToPoint (metrics.db_label_width, metrics.height - metrics.y_origin); axes.AddLineToPoint (metrics.db_label_width + data_width, metrics.height - metrics.y_origin); gc->SetPen (wxPen (wxColour (0, 0, 0))); gc->StrokePath (axes); + if (_cursor) { + auto 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; } + float AudioPlot::y_for_linear (float p, Metrics const & metrics) const { @@ -249,9 +286,10 @@ 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 AudioPlot::plot_peak (wxGraphicsPath& path, int channel, Metrics const & metrics) const { @@ -276,7 +314,7 @@ 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()), - peak + linear_to_db(peak) ) ); } @@ -284,11 +322,12 @@ AudioPlot::plot_peak (wxGraphicsPath& path, int channel, Metrics const & metrics DCPOMATIC_ASSERT (_peak.find(channel) != _peak.end()); path.MoveToPoint (_peak[channel][0].draw); - BOOST_FOREACH (Point const & i, _peak[channel]) { + for (auto const& i: _peak[channel]) { path.AddLineToPoint (i.draw); } } + void AudioPlot::plot_rms (wxGraphicsPath& path, int channel, Metrics const & metrics) const { @@ -345,7 +384,7 @@ 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()), - p + linear_to_db(p) ) ); } @@ -353,11 +392,12 @@ AudioPlot::plot_rms (wxGraphicsPath& path, int channel, Metrics const & metrics) DCPOMATIC_ASSERT (_rms.find(channel) != _rms.end()); path.MoveToPoint (_rms[channel][0].draw); - BOOST_FOREACH (Point const & i, _rms[channel]) { + for (auto const& i: _rms[channel]) { path.AddLineToPoint (i.draw); } } + void AudioPlot::set_smoothing (int s) { @@ -367,6 +407,7 @@ AudioPlot::set_smoothing (int s) Refresh (); } + void AudioPlot::set_gain_correction (double gain) { @@ -374,17 +415,19 @@ AudioPlot::set_gain_correction (double gain) Refresh (); } + AudioPoint AudioPlot::get_point (int channel, int point) const { - AudioPoint p = _analysis->get_point (channel, point); + auto 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; } + /** @param n Channel index. * @return Colour used by that channel in the plot. */ @@ -394,3 +437,63 @@ AudioPlot::colour (int n) const DCPOMATIC_ASSERT (n < int(_colours.size())); return _colours[n]; } + + +void +AudioPlot::left_down () +{ + if (_cursor) { + if (auto fv = _viewer.lock()) { + fv->seek (_cursor->time, true); + } + } +} + + +void +AudioPlot::mouse_moved (wxMouseEvent& ev) +{ + double min_dist = DBL_MAX; + Point min_point; + + auto search = [this](map const & search, wxMouseEvent const & ev, double& min_dist, Point& min_point) { + for (auto const& i: search) { + if (_channel_visible[i.first]) { + for (auto 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; + } + } + } + } + }; + + if (_type_visible[AudioPoint::RMS]) { + search (_rms, ev, min_dist, min_point); + } + if (_type_visible[AudioPoint::PEAK]) { + search (_peak, ev, min_dist, min_point); + } + + _cursor = boost::none; + + 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 = boost::none; + Refresh (); + Cursor (optional(), optional()); +}