86 lines
2.6 KiB
C++
86 lines
2.6 KiB
C++
/*
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* Copyright (C) 2014-2017 Paul Davis <paul@linuxaudiosystems.com>
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* Copyright (C) 2014 David Robillard <d@drobilla.net>
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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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#ifndef __libardour_midi_scene_changer_h__
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#define __libardour_midi_scene_changer_h__
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#include <glibmm/threads.h>
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#include "ardour/scene_changer.h"
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namespace ARDOUR
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{
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class MIDISceneChange;
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class MIDISceneChanger : public SceneChanger
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{
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public:
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MIDISceneChanger (Session&);
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~MIDISceneChanger ();
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void run (samplepos_t start, samplepos_t end);
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void set_input_port (boost::shared_ptr<MidiPort>);
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void set_output_port (boost::shared_ptr<MidiPort>);
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uint8_t bank_at (samplepos_t, uint8_t channel);
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uint8_t program_at (samplepos_t, uint8_t channel);
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void set_recording (bool);
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void locate (samplepos_t);
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/** Signal emitted whenever any relevant MIDI input is detected.
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*/
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PBD::Signal0<void> MIDIInputActivity;
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/** Signal emitted whenever any relevant MIDI output is sent.
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*/
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PBD::Signal0<void> MIDIOutputActivity;
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private:
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typedef std::multimap<samplepos_t,boost::shared_ptr<MIDISceneChange> > Scenes;
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boost::shared_ptr<MidiPort> input_port;
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boost::shared_ptr<MidiPort> output_port;
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Glib::Threads::RWLock scene_lock;
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Scenes scenes;
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bool _recording;
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bool have_seen_bank_changes;
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samplepos_t last_program_message_time;
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unsigned short current_bank;
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int last_delivered_program;
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int last_delivered_bank;
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void gather (const Locations::LocationList&);
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bool recording () const;
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void jump_to (int bank, int program);
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void rt_deliver (MidiBuffer&, samplepos_t, boost::shared_ptr<MIDISceneChange>);
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void non_rt_deliver (boost::shared_ptr<MIDISceneChange>);
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void bank_change_input (MIDI::Parser&, unsigned short, int channel);
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void program_change_input (MIDI::Parser&, MIDI::byte, int channel);
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void locations_changed ();
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PBD::ScopedConnectionList incoming_connections;
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};
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} // namespace
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#endif /* __libardour_midi_scene_changer_h__ */
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