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/*
Copyright (C) 2014 Paul Davis
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef __libardour_midi_scene_changer_h__
#define __libardour_midi_scene_changer_h__
#include <glibmm/threads.h>
#include "ardour/scene_changer.h"
namespace ARDOUR
{
class MIDISceneChange;
class MIDISceneChanger : public SceneChanger
{
public:
MIDISceneChanger (Session&);
~MIDISceneChanger ();
void run (framepos_t start, framepos_t end);
void set_input_port (boost::shared_ptr<MidiPort>);
void set_output_port (boost::shared_ptr<MidiPort>);
uint8_t bank_at (framepos_t, uint8_t channel);
uint8_t program_at (framepos_t, uint8_t channel);
void set_recording (bool);
void locate (framepos_t);
/** Signal emitted whenever any relevant MIDI input is detected.
*/
PBD::Signal0<void> MIDIInputActivity;
/** Signal emitted whenever any relevant MIDI output is sent.
*/
PBD::Signal0<void> MIDIOutputActivity;
private:
typedef std::multimap<framepos_t,boost::shared_ptr<MIDISceneChange> > Scenes;
boost::shared_ptr<MidiPort> input_port;
boost::shared_ptr<MidiPort> output_port;
Glib::Threads::RWLock scene_lock;
Scenes scenes;
bool _recording;
bool have_seen_bank_changes;
framepos_t last_program_message_time;
unsigned short current_bank;
int last_delivered_program;
int last_delivered_bank;
void gather (const Locations::LocationList&);
bool recording () const;
void jump_to (int bank, int program);
void rt_deliver (MidiBuffer&, framepos_t, boost::shared_ptr<MIDISceneChange>);
void non_rt_deliver (boost::shared_ptr<MIDISceneChange>);
void bank_change_input (MIDI::Parser&, unsigned short, int channel);
void program_change_input (MIDI::Parser&, MIDI::byte, int channel);
void locations_changed ();
PBD::ScopedConnectionList incoming_connections;
};
} // namespace
#endif /* __libardour_midi_scene_changer_h__ */
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