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livetrax/gtk2_ardour/analysis_window.cc
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

413 lines
11 KiB
C++

/*
* Copyright (C) 2006-2009 David Robillard <d@drobilla.net>
* Copyright (C) 2006-2017 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2006 Sampo Savolainen <v2@iki.fi>
* Copyright (C) 2007 Doug McLain <doug@nostar.net>
* Copyright (C) 2009-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2014-2016 Robin Gareus <robin@gareus.org>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <gtkmm2ext/gtk_ui.h>
#include <gtkmm/stock.h>
#include <gtkmm/label.h>
#include <gtkmm/treemodel.h>
#include <gtkmm/treeiter.h>
#include "ardour/audioregion.h"
#include "ardour/audioplaylist.h"
#include "ardour/types.h"
#include "analysis_window.h"
#include "route_ui.h"
#include "time_axis_view.h"
#include "public_editor.h"
#include "selection.h"
#include "audio_region_view.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace PBD;
AnalysisWindow::AnalysisWindow()
: source_selection_label (_("Signal source"))
, source_selection_ranges_rb (_("Selected ranges"))
, source_selection_regions_rb (_("Selected regions"))
, show_minmax_button (_("Show frequency power range"))
, show_normalized_button (_("Fit dB range"))
, show_proportional_button (_("Proportional Spectrum, -18dB"))
, fft_graph (16384)
{
set_name (_("FFT analysis window"));
set_title (_("Spectral Analysis"));
track_list_ready = false;
// Left side: track list + controls
tlmodel = Gtk::ListStore::create(tlcols);
track_list.set_model (tlmodel);
track_list.append_column(_("Track"), tlcols.trackname);
track_list.append_column_editable(_("Show"), tlcols.visible);
track_list.set_headers_visible(true);
track_list.set_reorderable(false);
track_list.get_selection()->set_mode (Gtk::SELECTION_NONE);
Gtk::TreeViewColumn* track_col = track_list.get_column(0);
Gtk::CellRendererText* renderer = dynamic_cast<Gtk::CellRendererText*>(track_list.get_column_cell_renderer (0));
track_col->add_attribute(renderer->property_foreground_gdk(), tlcols.color);
track_col->set_expand(true);
tlmodel->signal_row_changed().connect (
sigc::mem_fun(*this, &AnalysisWindow::track_list_row_changed) );
fft_graph.set_analysis_window(this);
vbox.pack_start(track_list);
// "Signal source"
vbox.pack_start(source_selection_label, false, false);
{
Gtk::RadioButtonGroup group = source_selection_ranges_rb.get_group();
source_selection_regions_rb.set_group(group);
source_selection_ranges_rb.set_active();
vbox.pack_start (source_selection_ranges_rb, false, false);
vbox.pack_start (source_selection_regions_rb, false, false);
// "Selected ranges" radio
source_selection_ranges_rb.signal_toggled().connect (
sigc::bind ( sigc::mem_fun(*this, &AnalysisWindow::source_selection_changed), &source_selection_ranges_rb));
// "Selected regions" radio
source_selection_regions_rb.signal_toggled().connect (
sigc::bind ( sigc::mem_fun(*this, &AnalysisWindow::source_selection_changed), &source_selection_regions_rb));
}
// Analyze button
refresh_button.set_name("EditorGTKButton");
refresh_button.set_label(_("Re-analyze data"));
refresh_button.signal_clicked().connect ( sigc::bind ( sigc::mem_fun(*this, &AnalysisWindow::analyze_data), &refresh_button));
vbox.pack_start(refresh_button, false, false, 10);
vbox.pack_start(hseparator1, false, false);
// Feature checkboxes
// normalize, fit y-range
show_normalized_button.signal_toggled().connect( sigc::mem_fun(*this, &AnalysisWindow::show_normalized_changed));
vbox.pack_start(show_normalized_button, false, false);
// minmax
show_minmax_button.signal_toggled().connect( sigc::mem_fun(*this, &AnalysisWindow::show_minmax_changed));
vbox.pack_start(show_minmax_button, false, false);
// pink-noise / proportional spectrum
show_proportional_button.signal_toggled().connect( sigc::mem_fun(*this, &AnalysisWindow::show_proportional_changed));
vbox.pack_start(show_proportional_button, false, false);
hbox.pack_start(vbox, Gtk::PACK_SHRINK);
// Analysis window on the right
fft_graph.ensure_style();
hbox.add(fft_graph);
// And last we pack the hbox
add(hbox);
show_all();
track_list.show_all();
}
AnalysisWindow::~AnalysisWindow()
{
}
void
AnalysisWindow::show_minmax_changed()
{
fft_graph.set_show_minmax(show_minmax_button.get_active());
}
void
AnalysisWindow::show_normalized_changed()
{
fft_graph.set_show_normalized(show_normalized_button.get_active());
}
void
AnalysisWindow::show_proportional_changed()
{
fft_graph.set_show_proportioanl(show_proportional_button.get_active());
}
void
AnalysisWindow::set_rangemode()
{
source_selection_ranges_rb.set_active(true);
}
void
AnalysisWindow::set_regionmode()
{
source_selection_regions_rb.set_active(true);
}
void
AnalysisWindow::track_list_row_changed(const Gtk::TreeModel::Path& /*path*/, const Gtk::TreeModel::iterator& /*iter*/)
{
if (track_list_ready) {
fft_graph.redraw();
}
}
void
AnalysisWindow::clear_tracklist()
{
// Empty track list & free old graphs
Gtk::TreeNodeChildren children = track_list.get_model()->children();
for (Gtk::TreeIter i = children.begin(); i != children.end(); i++) {
Gtk::TreeModel::Row row = *i;
FFTResult *delete_me = row[tlcols.graph];
if (delete_me == 0)
continue;
// Make sure it's not drawn
row[tlcols.graph] = 0;
delete delete_me;
}
tlmodel->clear();
}
void
AnalysisWindow::analyze()
{
analyze_data(&refresh_button);
}
void
AnalysisWindow::analyze_data (Gtk::Button * /*button*/)
{
track_list_ready = false;
{
Glib::Threads::Mutex::Lock lm (track_list_lock);
// Empty track list & free old graphs
clear_tracklist();
// first we gather the FFTResults of all tracks
Sample *buf = (Sample *) malloc(sizeof(Sample) * fft_graph.windowSize());
Sample *mixbuf = (Sample *) malloc(sizeof(Sample) * fft_graph.windowSize());
float *gain = (float *) malloc(sizeof(float) * fft_graph.windowSize());
Selection& s (PublicEditor::instance().get_selection());
// if timeSelection
if (source_selection_ranges_rb.get_active()) {
TimeSelection ts = s.time;
for (TrackSelection::iterator i = s.tracks.begin(); i != s.tracks.end(); ++i) {
boost::shared_ptr<AudioPlaylist> pl
= boost::dynamic_pointer_cast<AudioPlaylist>((*i)->playlist());
if (!pl)
continue;
RouteUI *rui = dynamic_cast<RouteUI *>(*i);
int n_inputs = rui->route()->n_inputs().n_audio(); // FFT is audio only
// Busses don't have playlists, so we need to check that we actually are working with a playlist
if (!pl || !rui)
continue;
// std::cerr << "Analyzing ranges on track " << rui->route()->name() << std::endl;
FFTResult *res = fft_graph.prepareResult(rui->route_color(), rui->route()->name());
for (std::list<AudioRange>::iterator j = ts.begin(); j != ts.end(); ++j) {
int n;
for (int channel = 0; channel < n_inputs; channel++) {
samplecnt_t x = 0;
while (x < j->length()) {
// TODO: What about stereo+ channels? composite all to one, I guess
n = fft_graph.windowSize();
if (x + n >= (*j).length() ) {
n = (*j).length() - x;
}
n = pl->read(buf, mixbuf, gain, (*j).start + x, n, channel);
if ( n < fft_graph.windowSize()) {
for (int j = n; j < fft_graph.windowSize(); j++) {
buf[j] = 0.0;
}
}
res->analyzeWindow(buf);
x += n;
}
}
}
res->finalize();
Gtk::TreeModel::Row newrow = *(tlmodel)->append();
newrow[tlcols.trackname] = rui->route()->name();
newrow[tlcols.visible] = true;
newrow[tlcols.color] = rui->route_color ();
newrow[tlcols.graph] = res;
}
} else if (source_selection_regions_rb.get_active()) {
RegionSelection ars = s.regions;
// std::cerr << "Analyzing selected regions" << std::endl;
for (RegionSelection::iterator j = ars.begin(); j != ars.end(); ++j) {
// Check that the region is actually audio (so we can analyze it)
AudioRegionView* arv = dynamic_cast<AudioRegionView*>(*j);
if (!arv)
continue;
// std::cerr << " - " << (*j)->region().name() << ": " << (*j)->region().length() << " samples starting at " << (*j)->region().position() << std::endl;
RouteTimeAxisView *rtav = dynamic_cast<RouteTimeAxisView *>(&arv->get_time_axis_view());
if (!rtav) {
/* shouldn't happen... */
continue;
}
FFTResult *res = fft_graph.prepareResult(rtav->color(), arv->get_item_name());
int n;
for (unsigned int channel = 0; channel < arv->region()->n_channels(); channel++) {
samplecnt_t x = 0;
samplecnt_t length = arv->region()->length();
while (x < length) {
// TODO: What about stereo+ channels? composite all to one, I guess
n = fft_graph.windowSize();
if (x + n >= length ) {
n = length - x;
}
memset (buf, 0, n * sizeof (Sample));
n = arv->audio_region()->read_at(buf, mixbuf, gain, arv->region()->position() + x, n, channel);
if (n == 0)
break;
if ( n < fft_graph.windowSize()) {
for (int j = n; j < fft_graph.windowSize(); j++) {
buf[j] = 0.0;
}
}
res->analyzeWindow(buf);
x += n;
}
}
// std::cerr << "Found: " << (*j)->get_item_name() << std::endl;
res->finalize();
Gtk::TreeModel::Row newrow = *(tlmodel)->append();
newrow[tlcols.trackname] = arv->get_item_name();
newrow[tlcols.visible] = true;
newrow[tlcols.color] = rtav->color();
newrow[tlcols.graph] = res;
}
}
free(buf);
free(mixbuf);
free(gain);
track_list_ready = true;
} /* end lock */
fft_graph.redraw();
}
void
AnalysisWindow::source_selection_changed (Gtk::RadioButton *button)
{
// We are only interested in activation signals, not deactivation signals
if (!button->get_active())
return;
/*
cerr << "AnalysisWindow: signal source = ";
if (button == &source_selection_ranges_rb) {
cerr << "selected ranges" << endl;
} else if (button == &source_selection_regions_rb) {
cerr << "selected regions" << endl;
} else {
cerr << "unknown?" << endl;
}
*/
}
void
AnalysisWindow::display_model_changed (Gtk::RadioButton *button)
{
// We are only interested in activation signals, not deactivation signals
if (!button->get_active())
return;
/*
cerr << "AnalysisWindow: display model = ";
if (button == &display_model_composite_separate_rb) {
cerr << "separate composites of tracks" << endl;
} else if (button == &display_model_composite_all_tracks_rb) {
cerr << "composite of all tracks" << endl;
} else {
cerr << "unknown?" << endl;
}
*/
}