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livetrax/gtk2_ardour/audio_region_editor.cc

333 lines
9.9 KiB
C++

/*
* Copyright (C) 2006-2012 David Robillard <d@drobilla.net>
* Copyright (C) 2006-2015 Tim Mayberry <mojofunk@gmail.com>
* Copyright (C) 2006-2016 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2011 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 <cmath>
#include <gtkmm2ext/utils.h>
#include "pbd/memento_command.h"
#include "pbd/stateful_diff_command.h"
#include "pbd/pthread_utils.h"
#include "temporal/tempo.h"
#include "ardour/audioregion.h"
#include "ardour/session_event.h"
#include "ardour/dB.h"
#include "ardour/region_fx_plugin.h"
#include "audio_region_editor.h"
#include "audio_region_view.h"
#include "gui_thread.h"
#include "public_editor.h"
#include "pbd/i18n.h"
using namespace ARDOUR;
using namespace PBD;
using namespace std;
using namespace Gtkmm2ext;
static void *
_peak_amplitude_thread (void* arg)
{
static_cast<AudioRegionEditor*>(arg)->peak_amplitude_thread ();
return 0;
}
AudioRegionEditor::AudioRegionEditor (Session* s, AudioRegionView* arv)
: RegionEditor (s, arv)
, _arv (arv)
, _audio_region (arv->audio_region ())
, gain_adjustment(accurate_coefficient_to_dB(fabsf (_audio_region->scale_amplitude())), -40.0, +40.0, 0.1, 1.0, 0)
, _polarity_toggle (_("Invert"))
, _show_on_touch (_("Show on Touch"))
, _peak_channel (false)
{
Gtk::HBox* b = Gtk::manage (new Gtk::HBox);
b->set_spacing (6);
b->pack_start (gain_entry);
b->pack_start (*Gtk::manage (new Gtk::Label (_("dB"))), false, false);
gain_label.set_name ("AudioRegionEditorLabel");
gain_label.set_text (_("Region gain:"));
gain_label.set_alignment (1, 0.5);
gain_entry.configure (gain_adjustment, 0.0, 1);
_table.attach (gain_label, 0, 1, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
_table.attach (*b, 1, 2, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
++_table_row;
b = Gtk::manage (new Gtk::HBox);
b->set_spacing (6);
b->pack_start (_peak_amplitude);
b->pack_start (*Gtk::manage (new Gtk::Label (_("dBFS"))), false, false);
_peak_amplitude_label.set_name ("AudioRegionEditorLabel");
_peak_amplitude_label.set_text (_("Peak amplitude:"));
_peak_amplitude_label.set_alignment (1, 0.5);
_table.attach (_peak_amplitude_label, 0, 1, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
_table.attach (*b, 1, 2, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
++_table_row;
_polarity_label.set_name ("AudioRegionEditorLabel");
_polarity_label.set_text (_("Polarity:"));
_polarity_label.set_alignment (1, 0.5);
_table.attach (_polarity_label, 0, 1, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
_table.attach (_polarity_toggle, 1, 2, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
++_table_row;
_region_line_label.set_name ("AudioRegionEditorLabel");
_region_line_label.set_text (_("Region Line:"));
_region_line_label.set_alignment (1, 0.5);
_table.attach (_region_line_label, 0, 1, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
_table.attach (_region_line, 1, 2, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
_table.attach (_show_on_touch, 2, 3, _table_row, _table_row + 1, Gtk::FILL, Gtk::FILL);
++_table_row;
gain_changed ();
refill_region_line ();
gain_adjustment.signal_value_changed().connect (sigc::mem_fun (*this, &AudioRegionEditor::gain_adjustment_changed));
_polarity_toggle.signal_toggled().connect (sigc::mem_fun (*this, &AudioRegionEditor::gain_adjustment_changed));
_show_on_touch.signal_toggled().connect (sigc::mem_fun (*this, &AudioRegionEditor::show_on_touch_changed));
arv->region_line_changed.connect ((sigc::mem_fun (*this, &AudioRegionEditor::refill_region_line)));
_peak_amplitude.property_editable() = false;
_peak_amplitude.set_text (_("Calculating..."));
PeakAmplitudeFound.connect (_peak_amplitude_connection, invalidator (*this), boost::bind (&AudioRegionEditor::peak_amplitude_found, this, _1), gui_context ());
char name[64];
snprintf (name, 64, "peak amplitude-%p", this);
pthread_create_and_store (name, &_peak_amplitude_thread_handle, _peak_amplitude_thread, this);
signal_peak_thread ();
}
AudioRegionEditor::~AudioRegionEditor ()
{
void* v;
_peak_channel.deliver ('t');
pthread_join (_peak_amplitude_thread_handle, &v);
}
void
AudioRegionEditor::region_changed (const PBD::PropertyChange& what_changed)
{
RegionEditor::region_changed (what_changed);
if (what_changed.contains (ARDOUR::Properties::scale_amplitude)) {
gain_changed ();
}
if (what_changed.contains (ARDOUR::Properties::start) || what_changed.contains (ARDOUR::Properties::length)) {
/* ask the peak thread to run again */
signal_peak_thread ();
}
}
void
AudioRegionEditor::region_fx_changed ()
{
RegionEditor::region_fx_changed ();
refill_region_line ();
}
void
AudioRegionEditor::gain_changed ()
{
const gain_t scale_amplitude = _audio_region->scale_amplitude();
float const region_gain_dB = accurate_coefficient_to_dB (fabsf (scale_amplitude));
if (region_gain_dB != gain_adjustment.get_value()) {
gain_adjustment.set_value(region_gain_dB);
}
_polarity_toggle.set_active (scale_amplitude < 0);
}
void
AudioRegionEditor::gain_adjustment_changed ()
{
float gain = dB_to_coefficient (gain_adjustment.get_value());
if (_polarity_toggle.get_active ()) {
gain *= -1;
}
if (_audio_region->scale_amplitude() != gain) {
_audio_region->set_scale_amplitude (gain);
}
}
void
AudioRegionEditor::signal_peak_thread ()
{
_peak_channel.deliver ('c');
}
void
AudioRegionEditor::peak_amplitude_thread ()
{
while (1) {
char msg;
/* await instructions to run */
_peak_channel.receive (msg);
if (msg == 't') {
break;
}
/* update thread-local tempo map */
Temporal::TempoMap::fetch ();
/* compute peak amplitude and signal the fact */
PeakAmplitudeFound (accurate_coefficient_to_dB (_audio_region->maximum_amplitude ())); /* EMIT SIGNAL */
}
}
void
AudioRegionEditor::peak_amplitude_found (double p)
{
stringstream s;
s.precision (2);
s.setf (ios::fixed, ios::floatfield);
s << p;
_peak_amplitude.set_text (s.str ());
}
void
AudioRegionEditor::show_touched_automation (std::weak_ptr<PBD::Controllable> wac)
{
if (!_arv->set_region_fx_line (wac)) {
return;
}
switch (PublicEditor::instance ().current_mouse_mode ()) {
case Editing::MouseObject:
case Editing::MouseTimeFX:
case Editing::MouseGrid:
case Editing::MouseCut:
PublicEditor::instance ().set_mouse_mode (Editing::MouseDraw, false);
break;
default:
break;
}
}
void
AudioRegionEditor::show_on_touch_changed ()
{
if (!_show_on_touch.get_active ()) {
_ctrl_touched_connection.disconnect ();
return;
}
Controllable::ControlTouched.connect (_ctrl_touched_connection, invalidator (*this), boost::bind (&AudioRegionEditor::show_touched_automation, this, _1), gui_context ());
}
void
AudioRegionEditor::refill_region_line ()
{
using namespace Gtk::Menu_Helpers;
_region_line.clear_items ();
MenuList& rm_items (_region_line.items ());
int nth = 0;
PBD::ID rfx_id (0);
uint32_t param_id = 0;
string active_text = _("Gain Envelope");
_arv->get_region_fx_line (rfx_id, param_id);
_arv->set_ignore_line_change (true);
Gtk::RadioMenuItem::Group grp;
AudioRegionView* arv = _arv;
rm_items.push_back (RadioMenuElem (grp, _("Gain Envelope")));
Gtk::CheckMenuItem* cmi = static_cast<Gtk::CheckMenuItem*> (&rm_items.back ());
cmi->set_active (rfx_id == 0 || param_id == UINT32_MAX);
cmi->signal_activate ().connect ([cmi, arv] () { if (cmi->get_active ()) {arv->set_region_gain_line (); }});
_audio_region->foreach_plugin ([&rm_items, arv, &nth, &grp, &active_text, rfx_id, param_id](std::weak_ptr<RegionFxPlugin> wfx)
{
std::shared_ptr<RegionFxPlugin> fx (wfx.lock ());
if (!fx) {
return;
}
std::shared_ptr<Plugin> plugin = fx->plugin ();
Gtk::Menu* acm = manage (new Gtk::Menu);
MenuList& acm_items (acm->items ());
for (size_t i = 0; i < plugin->parameter_count (); ++i) {
if (!plugin->parameter_is_control (i) || !plugin->parameter_is_input (i)) {
continue;
}
const Evoral::Parameter param (PluginAutomation, 0, i);
std::string label = plugin->describe_parameter (param);
if (label == X_("latency") || label == X_("hidden")) {
continue;
}
std::shared_ptr<ARDOUR::AutomationControl> c (std::dynamic_pointer_cast<ARDOUR::AutomationControl> (fx->control (param)));
if (c && c->flags () & (Controllable::HiddenControl | Controllable::NotAutomatable)) {
continue;
}
bool active = fx->id () == rfx_id && param_id == i;
acm_items.push_back (RadioMenuElem (grp, label));
Gtk::CheckMenuItem* cmi = static_cast<Gtk::CheckMenuItem*> (&acm_items.back ());
cmi->set_active (active);
cmi->signal_activate ().connect ([cmi, arv, nth, i] () { if (cmi->get_active ()) {arv->set_region_fx_line (nth, i); }});
if (active) {
active_text = fx->name () + ": " + label;
}
}
if (!acm_items.empty ()) {
rm_items.push_back (MenuElem (fx->name (), *acm));
} else {
delete acm;
}
++nth;
});
if (rm_items.size () > 1) {
_show_on_touch.set_sensitive (true);
} else {
_show_on_touch.set_active (false);
_show_on_touch.set_sensitive (false);
}
_region_line.set_text (active_text);
_arv->set_ignore_line_change (false);
}
void
AudioRegionEditor::on_unmap ()
{
_show_on_touch.set_active (false);
ArdourDialog::on_unmap ();
}