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34c1465cf9
Also some work towards tolerating automation controls with no automation list, towards actually doing something for these cases, though not required just to fix this crash (MidiTrack::set_parameter_automation_state() avoids those paths).
137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
/* This file is part of Evoral.
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* Copyright (C) 2008 David Robillard <http://drobilla.net>
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* Copyright (C) 2000-2008 Paul Davis
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*
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* Evoral is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <iostream>
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#include <limits>
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#include "evoral/ControlSet.hpp"
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#include "evoral/ControlList.hpp"
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#include "evoral/Control.hpp"
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#include "evoral/Event.hpp"
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using namespace std;
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namespace Evoral {
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ControlSet::ControlSet()
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{
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}
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ControlSet::ControlSet (const ControlSet&)
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: noncopyable ()
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{
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/* derived class must copy controls */
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}
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void
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ControlSet::add_control(boost::shared_ptr<Control> ac)
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{
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_controls[ac->parameter()] = ac;
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ac->ListMarkedDirty.connect_same_thread (_control_connections, boost::bind (&ControlSet::control_list_marked_dirty, this));
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if (ac->list()) {
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ac->list()->InterpolationChanged.connect_same_thread (
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_list_connections,
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boost::bind (&ControlSet::control_list_interpolation_changed,
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this, ac->parameter(), _1));
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}
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}
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void
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ControlSet::what_has_data (set<Parameter>& s) const
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{
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Glib::Threads::Mutex::Lock lm (_control_lock);
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for (Controls::const_iterator li = _controls.begin(); li != _controls.end(); ++li) {
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if (li->second->list() && !li->second->list()->empty()) {
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s.insert (li->first);
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}
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}
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}
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/** If a control for the given parameter does not exist and \a create_if_missing is true,
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* a control will be created, added to this set, and returned.
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* If \a create_if_missing is false this function may return null.
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*/
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boost::shared_ptr<Control>
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ControlSet::control (const Parameter& parameter, bool create_if_missing)
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{
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Controls::iterator i = _controls.find(parameter);
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if (i != _controls.end()) {
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return i->second;
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} else if (create_if_missing) {
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boost::shared_ptr<Control> ac(control_factory(parameter));
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add_control(ac);
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return ac;
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} else {
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return boost::shared_ptr<Control>();
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}
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}
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bool
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ControlSet::find_next_event (double now, double end, ControlEvent& next_event) const
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{
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Controls::const_iterator li;
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next_event.when = std::numeric_limits<double>::max();
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for (li = _controls.begin(); li != _controls.end(); ++li) {
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ControlList::const_iterator i;
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boost::shared_ptr<const ControlList> alist (li->second->list());
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ControlEvent cp (now, 0.0f);
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if (!alist) {
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continue;
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}
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for (i = lower_bound (alist->begin(), alist->end(), &cp, ControlList::time_comparator);
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i != alist->end() && (*i)->when < end; ++i) {
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if ((*i)->when > now) {
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break;
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}
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}
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if (i != alist->end() && (*i)->when < end) {
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if ((*i)->when < next_event.when) {
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next_event.when = (*i)->when;
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}
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}
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}
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return next_event.when != std::numeric_limits<double>::max();
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}
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void
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ControlSet::clear_controls ()
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{
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Glib::Threads::Mutex::Lock lm (_control_lock);
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_control_connections.drop_connections ();
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_list_connections.drop_connections ();
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for (Controls::iterator li = _controls.begin(); li != _controls.end(); ++li) {
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if (li->second->list()) {
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li->second->list()->clear();
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}
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}
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}
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} // namespace Evoral
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