midi_scene_change.h

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/*
 * Copyright (C) 2014 Paul Davis <paul@linuxaudiosystems.com>
 *
 * 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.
 */
 
#pragma once
 
#include "evoral/PatchChange.h"
 
#include "pbd/signals.h"
 
#include "ardour/scene_change.h"
 
namespace ARDOUR
{
 
class MidiPort;
 
class MIDISceneChange : public SceneChange
{
  public:
        MIDISceneChange (int channel, int bank = -1, int program = -1);
        MIDISceneChange (const XMLNode&, int version);
        ~MIDISceneChange ();
 
        void set_channel (int channel);
        void set_program (int program);
        void set_bank (int bank);
 
        int channel () const { return _channel; }
        int program () const { return _program; }
        int bank () const { return _bank; }
 
        size_t get_bank_msb_message (uint8_t* buf, size_t size) const;
        size_t get_bank_lsb_message (uint8_t* buf, size_t size) const;
        size_t get_program_message (uint8_t* buf, size_t size) const;
 
        XMLNode& get_state() const;
        int set_state (const XMLNode&, int version);
 
        bool operator==(const MIDISceneChange& other) const;
 
  private:
        int _bank;
        int _program;
        uint8_t _channel;
};
 
} /* namespace */