421 lines
11 KiB
C++
421 lines
11 KiB
C++
/*
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Copyright (C) 2006 Paul Davis
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Written by Sampo Savolainen
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <gtkmm2ext/gtk_ui.h>
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#include <gtkmm/stock.h>
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#include <gtkmm/label.h>
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#include <gtkmm/treemodel.h>
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#include <gtkmm/treeiter.h>
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#include <ardour/audioregion.h>
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#include <ardour/audioplaylist.h>
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#include <ardour/types.h>
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#include "analysis_window.h"
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#include "route_ui.h"
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#include "time_axis_view.h"
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#include "public_editor.h"
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#include "selection.h"
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#include "audio_region_view.h"
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#include "i18n.h"
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using namespace ARDOUR;
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using namespace PBD;
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AnalysisWindow::AnalysisWindow() :
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source_selection_label (_("Signal source")),
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source_selection_ranges_rb (_("Selected ranges")),
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source_selection_regions_rb (_("Selected regions")),
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display_model_label (_("Display model")),
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display_model_composite_separate_rb (_("Composite graphs for each track")),
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display_model_composite_all_tracks_rb (_("Composite graph of all tracks")),
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show_minmax_button (_("Show frequency power range")),
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show_normalized_button (_("Normalize values")),
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fft_graph (16384)
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{
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set_name(_("FFT analysis window"));
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set_title (_("Spectral Analysis"));
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track_list_ready = false;
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// Left side: track list + controls
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tlmodel = Gtk::ListStore::create(tlcols);
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track_list.set_model (tlmodel);
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track_list.append_column(_("Track"), tlcols.trackname);
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track_list.append_column_editable(_("Show"), tlcols.visible);
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track_list.set_headers_visible(true);
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track_list.set_reorderable(false);
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track_list.get_selection()->set_mode (Gtk::SELECTION_NONE);
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Gtk::TreeViewColumn* track_col = track_list.get_column(0);
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Gtk::CellRendererText* renderer = dynamic_cast<Gtk::CellRendererText*>(track_list.get_column_cell_renderer (0));
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track_col->add_attribute(renderer->property_foreground_gdk(), tlcols.color);
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track_col->set_expand(true);
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tlmodel->signal_row_changed().connect (
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mem_fun(*this, &AnalysisWindow::track_list_row_changed) );
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fft_graph.set_analysis_window(this);
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vbox.pack_start(track_list);
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// "Signal source"
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//vbox.pack_start(source_selection_label, false, false);
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{
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Gtk::RadioButtonGroup group = source_selection_ranges_rb.get_group();
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source_selection_regions_rb.set_group(group);
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source_selection_ranges_rb.set_active();
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//vbox.pack_start (source_selection_ranges_rb, false, false);
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//vbox.pack_start (source_selection_regions_rb, false, false);
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// "Selected ranges" radio
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source_selection_ranges_rb.signal_toggled().connect (
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bind ( mem_fun(*this, &AnalysisWindow::source_selection_changed), &source_selection_ranges_rb));
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// "Selected regions" radio
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source_selection_regions_rb.signal_toggled().connect (
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bind ( mem_fun(*this, &AnalysisWindow::source_selection_changed), &source_selection_regions_rb));
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}
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//vbox.pack_start(hseparator1, false, false);
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// "Display model"
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//vbox.pack_start(display_model_label, false, false);
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{
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Gtk::RadioButtonGroup group = display_model_composite_separate_rb.get_group();
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display_model_composite_all_tracks_rb.set_group (group);
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display_model_composite_separate_rb.set_active();
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//vbox.pack_start (display_model_composite_separate_rb, false, false);
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//vbox.pack_start (display_model_composite_all_tracks_rb, false, false);
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// "Composite graphs for all tracks"
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display_model_composite_separate_rb.signal_toggled().connect (
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bind ( mem_fun(*this, &AnalysisWindow::display_model_changed), &display_model_composite_separate_rb));
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// "Composite graph of all tracks"
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display_model_composite_all_tracks_rb.signal_toggled().connect (
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bind ( mem_fun(*this, &AnalysisWindow::display_model_changed), &display_model_composite_all_tracks_rb));
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}
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// Analyze button
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refresh_button.set_name("EditorGTKButton");
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refresh_button.set_label(_("Re-analyze data"));
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refresh_button.signal_clicked().connect ( bind ( mem_fun(*this, &AnalysisWindow::analyze_data), &refresh_button));
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vbox.pack_start(refresh_button, false, false);
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// Feature checkboxes
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// minmax
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show_minmax_button.signal_toggled().connect( mem_fun(*this, &AnalysisWindow::show_minmax_changed));
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vbox.pack_start(show_minmax_button, false, false);
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// normalize
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show_normalized_button.signal_toggled().connect( mem_fun(*this, &AnalysisWindow::show_normalized_changed));
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//vbox.pack_start(show_normalized_button, false, false);
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hbox.pack_start(vbox, Gtk::PACK_SHRINK);
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// Analysis window on the right
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fft_graph.ensure_style();
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hbox.add(fft_graph);
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// And last we pack the hbox
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add(hbox);
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show_all();
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track_list.show_all();
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}
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AnalysisWindow::~AnalysisWindow()
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{
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}
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void
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AnalysisWindow::show_minmax_changed()
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{
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fft_graph.set_show_minmax(show_minmax_button.get_active());
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}
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void
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AnalysisWindow::show_normalized_changed()
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{
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fft_graph.set_show_normalized(show_normalized_button.get_active());
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}
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void
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AnalysisWindow::set_rangemode()
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{
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source_selection_ranges_rb.set_active(true);
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}
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void
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AnalysisWindow::set_regionmode()
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{
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source_selection_regions_rb.set_active(true);
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}
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void
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AnalysisWindow::track_list_row_changed(const Gtk::TreeModel::Path& path, const Gtk::TreeModel::iterator& iter)
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{
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if (track_list_ready) {
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fft_graph.redraw();
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}
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}
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void
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AnalysisWindow::clear_tracklist()
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{
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// Empty track list & free old graphs
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Gtk::TreeNodeChildren children = track_list.get_model()->children();
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for (Gtk::TreeIter i = children.begin(); i != children.end(); i++) {
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Gtk::TreeModel::Row row = *i;
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FFTResult *delete_me = row[tlcols.graph];
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if (delete_me == 0)
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continue;
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// Make sure it's not drawn
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row[tlcols.graph] = 0;
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delete delete_me;
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}
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tlmodel->clear();
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}
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void
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AnalysisWindow::analyze()
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{
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analyze_data(&refresh_button);
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}
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void
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AnalysisWindow::analyze_data (Gtk::Button *button)
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{
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track_list_ready = false;
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{
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Glib::Mutex::Lock lm (track_list_lock);
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// Empty track list & free old graphs
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clear_tracklist();
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// first we gather the FFTResults of all tracks
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Sample *buf = (Sample *) malloc(sizeof(Sample) * fft_graph.windowSize());
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Sample *mixbuf = (Sample *) malloc(sizeof(Sample) * fft_graph.windowSize());
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float *gain = (float *) malloc(sizeof(float) * fft_graph.windowSize());
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Selection s = PublicEditor::instance().get_selection();
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TimeSelection ts = s.time;
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RegionSelection ars = s.regions;
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for (TrackSelection::iterator i = s.tracks.begin(); i != s.tracks.end(); ++i) {
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boost::shared_ptr<AudioPlaylist> pl
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= boost::dynamic_pointer_cast<AudioPlaylist>((*i)->playlist());
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if (!pl)
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continue;
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RouteUI *rui = dynamic_cast<RouteUI *>(*i);
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int n_inputs = rui->route()->n_inputs();
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// Busses don't have playlists, so we need to check that we actually are working with a playlist
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if (!pl || !rui)
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continue;
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FFTResult *res = fft_graph.prepareResult(rui->color(), rui->route()->name());
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// if timeSelection
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if (source_selection_ranges_rb.get_active()) {
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// cerr << "Analyzing ranges on track " << *&rui->route().name() << endl;
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for (std::list<AudioRange>::iterator j = ts.begin(); j != ts.end(); ++j) {
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int n;
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for (int channel = 0; channel < n_inputs; channel++) {
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nframes_t x = 0;
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while ( x < (*j).length() ) {
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// TODO: What about stereo+ channels? composite all to one, I guess
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n = fft_graph.windowSize();
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if (x + n >= (*j).length() ) {
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n = (*j).length() - x;
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}
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n = pl->read(buf, mixbuf, gain, (*j).start + x, n, channel);
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if ( n < fft_graph.windowSize()) {
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for (int j = n; j < fft_graph.windowSize(); j++) {
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buf[j] = 0.0;
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}
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}
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res->analyzeWindow(buf);
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x += n;
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}
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}
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}
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} else if (source_selection_regions_rb.get_active()) {
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// cerr << "Analyzing selected regions on track " << *&rui->route().name() << endl;
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TimeAxisView *current_axis = (*i);
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for (RegionSelection::iterator j = ars.begin(); j != ars.end(); ++j) {
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// Check that the region is actually audio (so we can analyze it)
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AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*j);
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if (!arv)
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continue;
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// Check that the region really is selected on _this_ track/solo
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if ( &arv->get_time_axis_view() != current_axis)
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continue;
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// cerr << " - " << (*j)->region().name() << ": " << (*j)->region().length() << " samples starting at " << (*j)->region().position() << endl;
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int n;
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for (int channel = 0; channel < n_inputs; channel++) {
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nframes_t x = 0;
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nframes_t length = arv->region()->length();
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while ( x < length ) {
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// TODO: What about stereo+ channels? composite all to one, I guess
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n = fft_graph.windowSize();
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if (x + n >= length ) {
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n = length - x;
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}
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n = arv->audio_region()->read_at(buf, mixbuf, gain, arv->region()->position() + x, n, channel);
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if (n == 0)
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break;
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if ( n < fft_graph.windowSize()) {
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for (int j = n; j < fft_graph.windowSize(); j++) {
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buf[j] = 0.0;
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}
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}
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res->analyzeWindow(buf);
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x += n;
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}
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}
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// cerr << "Found: " << (*j)->get_item_name() << endl;
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}
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}
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res->finalize();
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Gtk::TreeModel::Row newrow = *(tlmodel)->append();
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newrow[tlcols.trackname] = rui->route()->name();
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newrow[tlcols.visible] = true;
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newrow[tlcols.color] = rui->color();
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newrow[tlcols.graph] = res;
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}
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free(buf);
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free(mixbuf);
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track_list_ready = true;
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} /* end lock */
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fft_graph.redraw();
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}
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void
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AnalysisWindow::source_selection_changed (Gtk::RadioButton *button)
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{
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// We are only interested in activation signals, not deactivation signals
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if (!button->get_active())
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return;
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/*
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cerr << "AnalysisWindow: signal source = ";
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if (button == &source_selection_ranges_rb) {
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cerr << "selected ranges" << endl;
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} else if (button == &source_selection_regions_rb) {
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cerr << "selected regions" << endl;
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} else {
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cerr << "unknown?" << endl;
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}
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*/
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}
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void
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AnalysisWindow::display_model_changed (Gtk::RadioButton *button)
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{
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// We are only interested in activation signals, not deactivation signals
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if (!button->get_active())
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return;
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/*
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cerr << "AnalysisWindow: display model = ";
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if (button == &display_model_composite_separate_rb) {
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cerr << "separate composites of tracks" << endl;
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} else if (button == &display_model_composite_all_tracks_rb) {
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cerr << "composite of all tracks" << endl;
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} else {
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cerr << "unknown?" << endl;
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}
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*/
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}
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