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livetrax/gtk2_ardour/rhythm_ferret.cc

434 lines
11 KiB
C++
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#include <gtkmm/stock.h>
#include <gtkmm2ext/utils.h>
#include <pbd/memento_command.h>
#include <ardour/transient_detector.h>
#include <ardour/onset_detector.h>
#include <ardour/audiosource.h>
#include <ardour/audioregion.h>
#include <ardour/playlist.h>
#include <ardour/region_factory.h>
#include <ardour/session.h>
#include "rhythm_ferret.h"
#include "audio_region_view.h"
#include "public_editor.h"
#include "utils.h"
#include "i18n.h"
using namespace std;
using namespace Gtk;
using namespace Gdk;
using namespace PBD;
using namespace ARDOUR;
/* order of these must match the AnalysisMode enums
in rhythm_ferret.h
*/
static const gchar * _analysis_mode_strings[] = {
N_("Percussive Onset"),
N_("Note Onset"),
0
};
static const gchar * _onset_function_strings[] = {
N_("Energy Based"),
N_("Spectral Difference"),
N_("High-Frequency Content"),
N_("Complex Domain"),
N_("Phase Deviation"),
N_("Kullback-Liebler"),
N_("Modified Kullback-Liebler"),
0
};
RhythmFerret::RhythmFerret (PublicEditor& e)
: ArdourDialog (_("Rhythm Ferret"))
, editor (e)
, operation_frame (_("Operation"))
, selection_frame (_("Selection"))
, ferret_frame (_("Analysis"))
, logo (0)
, region_split_button (operation_button_group, _("Split Region"))
, tempo_button (operation_button_group, _("Set Tempo Map"))
, region_conform_button (operation_button_group, _("Conform Region"))
, analysis_mode_label (_("Mode"))
, detection_threshold_adjustment (3, 0, 20, 1, 4)
, detection_threshold_scale (detection_threshold_adjustment)
, detection_threshold_label (_("Threshold"))
, sensitivity_adjustment (40, 0, 100, 1, 10)
, sensitivity_scale (sensitivity_adjustment)
, sensitivity_label (_("Sensitivity"))
, analyze_button (_("Analyze"))
, onset_function_label (_("Detection function"))
, peak_picker_threshold_adjustment (0.3, 0.0, 1.0, 0.01, 0.1)
, peak_picker_threshold_scale (peak_picker_threshold_adjustment)
, peak_picker_label (_("Peak Threshold"))
, silence_threshold_adjustment (-90.0, -120.0, 0.0, 1, 10)
, silence_threshold_scale (silence_threshold_adjustment)
, silence_label (_("Silent Threshold (dB)"))
, trigger_gap_adjustment (3, 0, 100, 1, 10)
, trigger_gap_spinner (trigger_gap_adjustment)
, trigger_gap_label (_("Trigger gap (msecs)"))
, action_button (Stock::APPLY)
{
upper_hpacker.set_spacing (6);
upper_hpacker.pack_start (ferret_frame, true, true);
upper_hpacker.pack_start (selection_frame, true, true);
upper_hpacker.pack_start (operation_frame, true, true);
op_packer.pack_start (region_split_button, false, false);
op_packer.pack_start (tempo_button, false, false);
op_packer.pack_start (region_conform_button, false, false);
operation_frame.add (op_packer);
HBox* box;
ferret_packer.set_spacing (6);
ferret_packer.set_border_width (6);
vector<string> strings;
analysis_mode_strings = I18N (_analysis_mode_strings);
Gtkmm2ext::set_popdown_strings (analysis_mode_selector, analysis_mode_strings);
analysis_mode_selector.set_active_text (analysis_mode_strings.front());
analysis_mode_selector.signal_changed().connect (mem_fun (*this, &RhythmFerret::analysis_mode_changed));
onset_function_strings = I18N (_onset_function_strings);
Gtkmm2ext::set_popdown_strings (onset_detection_function_selector, onset_function_strings);
/* Onset plugin uses complex domain as default function
XXX there should be a non-hacky way to set this
*/
onset_detection_function_selector.set_active_text (onset_function_strings[3]);
box = manage (new HBox);
box->set_spacing (6);
box->pack_start (analysis_mode_label, false, false);
box->pack_start (analysis_mode_selector, true, true);
ferret_packer.pack_start (*box, false, false);
ferret_packer.pack_start (analysis_packer, false, false);
box = manage (new HBox);
box->set_spacing (6);
box->pack_start (trigger_gap_label, false, false);
box->pack_start (trigger_gap_spinner, false, false);
ferret_packer.pack_start (*box, false, false);
ferret_packer.pack_start (analyze_button, false, false);
analyze_button.signal_clicked().connect (mem_fun (*this, &RhythmFerret::run_analysis));
box = manage (new HBox);
box->set_spacing (6);
box->pack_start (detection_threshold_label, false, false);
box->pack_start (detection_threshold_scale, true, true);
perc_onset_packer.pack_start (*box, false, false);
box = manage (new HBox);
box->set_spacing (6);
box->pack_start (sensitivity_label, false, false);
box->pack_start (sensitivity_scale, true, true);
perc_onset_packer.pack_start (*box, false, false);
box = manage (new HBox);
box->set_spacing (6);
box->pack_start (onset_function_label, false, false);
box->pack_start (onset_detection_function_selector, true, true);
note_onset_packer.pack_start (*box, false, false);
box = manage (new HBox);
box->set_spacing (6);
box->pack_start (peak_picker_label, false, false);
box->pack_start (peak_picker_threshold_scale, true, true);
note_onset_packer.pack_start (*box, false, false);
box = manage (new HBox);
box->set_spacing (6);
box->pack_start (silence_label, false, false);
box->pack_start (silence_threshold_scale, true, true);
note_onset_packer.pack_start (*box, false, false);
analysis_mode_changed ();
ferret_frame.add (ferret_packer);
logo = manage (new Gtk::Image (::get_icon (X_("ferret_02"))));
if (logo) {
lower_hpacker.pack_start (*logo, false, false);
}
lower_hpacker.pack_start (operation_clarification_label, true, true);
lower_hpacker.pack_start (action_button, false, false);
lower_hpacker.set_border_width (6);
lower_hpacker.set_spacing (6);
action_button.signal_clicked().connect (mem_fun (*this, &RhythmFerret::do_action));
get_vbox()->set_border_width (6);
get_vbox()->set_spacing (6);
get_vbox()->pack_start (upper_hpacker, true, true);
get_vbox()->pack_start (lower_hpacker, false, false);
show_all ();
}
RhythmFerret::~RhythmFerret()
{
if (logo) {
delete logo;
}
}
void
RhythmFerret::analysis_mode_changed ()
{
analysis_packer.children().clear ();
switch (get_analysis_mode()) {
case PercussionOnset:
analysis_packer.pack_start (perc_onset_packer);
break;
case NoteOnset:
analysis_packer.pack_start (note_onset_packer);
break;
}
analysis_packer.show_all ();
}
RhythmFerret::AnalysisMode
RhythmFerret::get_analysis_mode () const
{
string str = analysis_mode_selector.get_active_text ();
if (str == analysis_mode_strings[(int) NoteOnset]) {
return NoteOnset;
}
return PercussionOnset;
}
RhythmFerret::Action
RhythmFerret::get_action () const
{
if (tempo_button.get_active()) {
return DefineTempoMap;
} else if (region_conform_button.get_active()) {
return ConformRegion;
}
return SplitRegion;
}
void
RhythmFerret::run_analysis ()
{
if (!session) {
return;
}
RegionSelection& regions (editor.get_selection().regions);
current_results.clear ();
if (regions.empty()) {
return;
}
for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
boost::shared_ptr<Readable> rd = boost::static_pointer_cast<AudioRegion> ((*i)->region());
switch (get_analysis_mode()) {
case PercussionOnset:
run_percussion_onset_analysis (rd, (*i)->region()->position(), current_results);
break;
case NoteOnset:
run_note_onset_analysis (rd, (*i)->region()->position(), current_results);
break;
default:
break;
}
}
for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ++i) {
(*i)->get_time_axis_view().show_feature_lines (current_results);
}
}
int
RhythmFerret::run_percussion_onset_analysis (boost::shared_ptr<Readable> readable, nframes64_t offset, AnalysisFeatureList& results)
{
TransientDetector t (session->frame_rate());
for (uint32_t i = 0; i < readable->n_channels(); ++i) {
AnalysisFeatureList these_results;
t.reset ();
t.set_threshold (detection_threshold_adjustment.get_value());
t.set_sensitivity (sensitivity_adjustment.get_value());
if (t.run ("", readable.get(), i, these_results)) {
continue;
}
/* translate all transients to give absolute position */
for (AnalysisFeatureList::iterator x = these_results.begin(); x != these_results.end(); ++x) {
(*x) += offset;
}
/* merge */
results.insert (results.end(), these_results.begin(), these_results.end());
these_results.clear ();
}
if (!results.empty()) {
TransientDetector::cleanup_transients (results, session->frame_rate(), trigger_gap_adjustment.get_value());
}
return 0;
}
int
RhythmFerret::get_note_onset_function ()
{
string txt = onset_detection_function_selector.get_active_text();
for (int n = 0; _onset_function_strings[n]; ++n) {
/* compare translated versions */
if (txt == onset_function_strings[n]) {
return n;
}
}
fatal << string_compose (_("programming error: %1 (%2)"), X_("illegal note onset function string"), txt)
<< endmsg;
/*NOTREACHED*/
return -1;
}
int
RhythmFerret::run_note_onset_analysis (boost::shared_ptr<Readable> readable, nframes64_t offset, AnalysisFeatureList& results)
{
try {
OnsetDetector t (session->frame_rate());
for (uint32_t i = 0; i < readable->n_channels(); ++i) {
AnalysisFeatureList these_results;
t.reset ();
t.set_function (get_note_onset_function());
t.set_silence_threshold (silence_threshold_adjustment.get_value());
t.set_peak_threshold (peak_picker_threshold_adjustment.get_value());
if (t.run ("", readable.get(), i, these_results)) {
continue;
}
/* translate all transients to give absolute position */
for (AnalysisFeatureList::iterator x = these_results.begin(); x != these_results.end(); ++x) {
(*x) += offset;
}
/* merge */
results.insert (results.end(), these_results.begin(), these_results.end());
these_results.clear ();
}
} catch (failed_constructor& err) {
error << "Could not load note onset detection plugin" << endmsg;
return -1;
}
if (!results.empty()) {
OnsetDetector::cleanup_onsets (results, session->frame_rate(), trigger_gap_adjustment.get_value());
}
return 0;
}
void
RhythmFerret::do_action ()
{
if (!session || current_results.empty()) {
return;
}
switch (get_action()) {
case SplitRegion:
do_split_action ();
break;
default:
break;
}
}
void
RhythmFerret::do_split_action ()
{
/* this can/will change the current selection, so work with a copy */
RegionSelection& regions (editor.get_selection().regions);
if (regions.empty()) {
return;
}
session->begin_reversible_command (_("split regions (rhythm ferret)"));
for (RegionSelection::iterator i = regions.begin(); i != regions.end(); ) {
RegionSelection::iterator tmp;
tmp = i;
++tmp;
(*i)->get_time_axis_view().hide_feature_lines ();
editor.split_region_at_points ((*i)->region(), current_results, false);
/* i is invalid at this point */
i = tmp;
}
session->commit_reversible_command ();
}
void
RhythmFerret::set_session (Session* s)
{
ArdourDialog::set_session (s);
current_results.clear ();
}
static void hide_time_axis_features (TimeAxisView& tav)
{
tav.hide_feature_lines ();
}
void
RhythmFerret::on_hide ()
{
editor.foreach_time_axis_view (sigc::ptr_fun (hide_time_axis_features));
ArdourDialog::on_hide ();
}