13
0
livetrax/gtk2_ardour/rhythm_ferret.cc
Paul Davis 997e4b1f9c merge with 2.0-ongoing @ rev 3147
git-svn-id: svn://localhost/ardour2/branches/3.0@3152 d708f5d6-7413-0410-9779-e7cbd77b26cf
2008-03-17 20:54:03 +00:00

302 lines
7.1 KiB
C++

#include <gtkmm/stock.h>
#include <gtkmm2ext/utils.h>
#include <pbd/memento_command.h>
#include <ardour/transient_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
};
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"))
, 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());
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);
box = manage (new HBox);
box->set_spacing (6);
box->pack_start (detection_threshold_label, false, false);
box->pack_start (detection_threshold_scale, true, true);
ferret_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);
ferret_packer.pack_start (*box, 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));
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;
}
}
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;
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;
}
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;
}
}
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 ();
}