100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*
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* Copyright (C) 2010-2012 Carl Hetherington <carl@carlh.net>
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* Copyright (C) 2010-2014 David Robillard <d@drobilla.net>
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* Copyright (C) 2010-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "ardour/midi_automation_list_binder.h"
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#include "ardour/midi_region.h"
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#include "midi++/midnam_patch.h"
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#include "midi_automation_line.h"
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#include "midi_time_axis.h"
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#include "pbd/i18n.h"
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using namespace std;
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MidiAutomationLine::MidiAutomationLine (
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const std::string& name,
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TimeAxisView& tav,
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ArdourCanvas::Item& parent,
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std::shared_ptr<ARDOUR::AutomationList> list,
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std::shared_ptr<ARDOUR::MidiRegion> region,
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Evoral::Parameter parameter)
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: AutomationLine (name, tav, parent, list, parameter)
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, _region (region)
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, _parameter (parameter)
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{
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}
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MementoCommandBinder<ARDOUR::AutomationList>*
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MidiAutomationLine::memento_command_binder ()
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{
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/* some weirdness here since _region->midi_source() returns a
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* shared_ptr<> but the binder accepts a reference.
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*/
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return new ARDOUR::MidiAutomationListBinder (*(_region->midi_source().get()), _parameter);
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}
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Temporal::timepos_t
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MidiAutomationLine::get_origin() const
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{
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/* Events in the automation list are relative to the start of the
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source, not the start of the region, so we need to use the
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position-of-the-start-of-the-source, rather than just the
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position-of-the-region.
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*/
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return _region->source_position();
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}
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string
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MidiAutomationLine::get_verbose_cursor_string (double fraction) const
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{
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using namespace MIDI::Name;
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if (_parameter.type() != ARDOUR::MidiCCAutomation) {
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return AutomationLine::get_verbose_cursor_string(fraction);
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}
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MidiTimeAxisView* const mtv = dynamic_cast<MidiTimeAxisView*>(trackview.get_parent());
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if (!mtv) {
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return AutomationLine::get_verbose_cursor_string(fraction);
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}
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const uint8_t channel = mtv->get_preferred_midi_channel();
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std::shared_ptr<const ValueNameList> value_names = mtv->route()->instrument_info().value_name_list_by_control (channel, _parameter.id());
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if (!value_names) {
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return AutomationLine::get_verbose_cursor_string(fraction);
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}
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const uint16_t cc_value = floor(std::max(std::min(fraction * 127.0, 127.0), 0.0));
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std::shared_ptr<const Value> value = value_names->max_value_below(cc_value);
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if (!value) {
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return AutomationLine::get_verbose_cursor_string(fraction);
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}
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return value->name();
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}
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