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Diffstat (limited to 'src/wx/audio_dialog.cc')
| -rw-r--r-- | src/wx/audio_dialog.cc | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/wx/audio_dialog.cc b/src/wx/audio_dialog.cc new file mode 100644 index 000000000..c7a0815f8 --- /dev/null +++ b/src/wx/audio_dialog.cc @@ -0,0 +1,177 @@ +/* + Copyright (C) 2013 Carl Hetherington <cth@carlh.net> + + This program 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, + 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. + +*/ + +#include <boost/filesystem.hpp> +#include "lib/audio_analysis.h" +#include "lib/film.h" +#include "lib/audio_content.h" +#include "audio_dialog.h" +#include "audio_plot.h" +#include "wx_util.h" + +using boost::shared_ptr; +using boost::bind; +using boost::optional; + +AudioDialog::AudioDialog (wxWindow* parent) + : wxDialog (parent, wxID_ANY, _("Audio"), wxDefaultPosition, wxSize (640, 512), wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER | wxFULL_REPAINT_ON_RESIZE) + , _plot (0) +{ + wxBoxSizer* sizer = new wxBoxSizer (wxHORIZONTAL); + + _plot = new AudioPlot (this); + sizer->Add (_plot, 1, wxALL | wxEXPAND, 12); + + wxBoxSizer* side = new wxBoxSizer (wxVERTICAL); + + { + wxStaticText* m = new wxStaticText (this, wxID_ANY, _("Channels")); + side->Add (m, 1, wxALIGN_CENTER_VERTICAL | wxTOP, 16); + } + + for (int i = 0; i < MAX_AUDIO_CHANNELS; ++i) { + _channel_checkbox[i] = new wxCheckBox (this, wxID_ANY, std_to_wx (audio_channel_name (i))); + side->Add (_channel_checkbox[i], 1, wxEXPAND | wxALL, 3); + _channel_checkbox[i]->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AudioDialog::channel_clicked, this, _1)); + } + + { + wxStaticText* m = new wxStaticText (this, wxID_ANY, _("Type")); + side->Add (m, 1, wxALIGN_CENTER_VERTICAL | wxTOP, 16); + } + + wxString const types[] = { + _("Peak"), + _("RMS") + }; + + for (int i = 0; i < AudioPoint::COUNT; ++i) { + _type_checkbox[i] = new wxCheckBox (this, wxID_ANY, types[i]); + side->Add (_type_checkbox[i], 1, wxEXPAND | wxALL, 3); + _type_checkbox[i]->Bind (wxEVT_COMMAND_CHECKBOX_CLICKED, boost::bind (&AudioDialog::type_clicked, this, _1)); + } + + { + wxStaticText* m = new wxStaticText (this, wxID_ANY, _("Smoothing")); + side->Add (m, 1, wxALIGN_CENTER_VERTICAL | wxTOP, 16); + } + + _smoothing = new wxSlider (this, wxID_ANY, AudioPlot::max_smoothing / 2, 1, AudioPlot::max_smoothing); + _smoothing->Bind (wxEVT_SCROLL_THUMBTRACK, boost::bind (&AudioDialog::smoothing_changed, this)); + side->Add (_smoothing, 1, wxEXPAND); + + sizer->Add (side, 0, wxALL, 12); + + SetSizer (sizer); + sizer->Layout (); + sizer->SetSizeHints (this); +} + +void +AudioDialog::set_content (shared_ptr<AudioContent> c) +{ + _content_changed_connection.disconnect (); + + _content = c; + + try_to_load_analysis (); + _plot->set_gain (_content->audio_gain ()); + + _content_changed_connection = _content->Changed.connect (bind (&AudioDialog::content_changed, this, _2)); + + SetTitle (wxString::Format (_("DCP-o-matic audio - %s"), std_to_wx(_content->path().filename().string()).data())); +} + +void +AudioDialog::try_to_load_analysis () +{ + if (!boost::filesystem::exists (_content->audio_analysis_path()) && IsShown ()) { + _content->analyse_audio (bind (&AudioDialog::analysis_finished, this)); + return; + } + + shared_ptr<AudioAnalysis> a; + + a.reset (new AudioAnalysis (_content->audio_analysis_path ())); + _plot->set_analysis (a); + + if (_channel_checkbox[0]) { + _channel_checkbox[0]->SetValue (true); + } + _plot->set_channel_visible (0, true); + + for (int i = 0; i < AudioPoint::COUNT; ++i) { + _type_checkbox[i]->SetValue (true); + _plot->set_type_visible (i, true); + } +} + +void +AudioDialog::analysis_finished () +{ + if (!boost::filesystem::exists (_content->audio_analysis_path())) { + /* We analysed and still nothing showed up, so maybe it was cancelled or it failed. + Give up. + */ + _plot->set_message (_("Could not analyse audio.")); + return; + } + + try_to_load_analysis (); +} + +void +AudioDialog::channel_clicked (wxCommandEvent& ev) +{ + int c = 0; + while (c < MAX_AUDIO_CHANNELS && ev.GetEventObject() != _channel_checkbox[c]) { + ++c; + } + + assert (c < MAX_AUDIO_CHANNELS); + + _plot->set_channel_visible (c, _channel_checkbox[c]->GetValue ()); +} + +void +AudioDialog::content_changed (int p) +{ + if (p == AudioContentProperty::AUDIO_GAIN) { + _plot->set_gain (_content->audio_gain ()); + } +} + +void +AudioDialog::type_clicked (wxCommandEvent& ev) +{ + int t = 0; + while (t < AudioPoint::COUNT && ev.GetEventObject() != _type_checkbox[t]) { + ++t; + } + + assert (t < AudioPoint::COUNT); + + _plot->set_type_visible (t, _type_checkbox[t]->GetValue ()); +} + +void +AudioDialog::smoothing_changed () +{ + _plot->set_smoothing (_smoothing->GetValue ()); +} |