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/* This file is part of Evoral.
* Copyright (C) 2008 Dave Robillard <http://drobilla.net>
* Copyright (C) 2000-2008 Paul Davis
*
* Evoral 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.
*
* Evoral 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 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 St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef EVORAL_MIDI_EVENT_HPP
#define EVORAL_MIDI_EVENT_HPP
#include <evoral/Event.hpp>
#include <evoral/midi_events.h>
#ifdef EVORAL_MIDI_XML
#include <pbd/xml++.h>
#endif
namespace Evoral {
/** MIDI helper functions for an Event.
*
* This class contains no data, an event can be cast to a MIDIEvent
* but the application must make sure the event actually contains
* valid MIDI data for these functions to make sense.
*/
struct MIDIEvent : public Event {
MIDIEvent(EventType type=0, EventTime t=0, uint32_t s=0, uint8_t* b=NULL, bool alloc=false)
: Event(type, t, s, b, alloc)
{}
MIDIEvent(const Event& copy, bool alloc)
: Event(copy, alloc)
{}
#ifdef EVORAL_MIDI_XML
/** Event from XML ala http://www.midi.org/dtds/MIDIEvents10.dtd
*/
MIDIEvent(const XMLNode& event);
/** Event to XML ala http://www.midi.org/dtds/MIDIEvents10.dtd
*/
boost::shared_ptr<XMLNode> to_xml() const;
#endif
inline uint8_t type() const { return (_buffer[0] & 0xF0); }
inline void set_type(uint8_t type) { _buffer[0] = (0x0F & _buffer[0])
| (0xF0 & type); }
inline uint8_t channel() const { return (_buffer[0] & 0x0F); }
inline void set_channel(uint8_t channel) { _buffer[0] = (0xF0 & _buffer[0])
| (0x0F & channel); }
inline bool is_note_on() const { return (type() == MIDI_CMD_NOTE_ON); }
inline bool is_note_off() const { return (type() == MIDI_CMD_NOTE_OFF); }
inline bool is_cc() const { return (type() == MIDI_CMD_CONTROL); }
inline bool is_pitch_bender() const { return (type() == MIDI_CMD_BENDER); }
inline bool is_pgm_change() const { return (type() == MIDI_CMD_PGM_CHANGE); }
inline bool is_note() const { return (is_note_on() || is_note_off()); }
inline bool is_aftertouch() const { return (type() == MIDI_CMD_NOTE_PRESSURE); }
inline bool is_channel_pressure() const { return (type() == MIDI_CMD_CHANNEL_PRESSURE); }
inline uint8_t note() const { return (_buffer[1]); }
inline uint8_t velocity() const { return (_buffer[2]); }
inline uint8_t cc_number() const { return (_buffer[1]); }
inline uint8_t cc_value() const { return (_buffer[2]); }
inline uint8_t pitch_bender_lsb() const { return (_buffer[1]); }
inline uint8_t pitch_bender_msb() const { return (_buffer[2]); }
inline uint16_t pitch_bender_value() const { return ( ((0x7F & _buffer[2]) << 7)
| (0x7F & _buffer[1]) ); }
inline uint8_t pgm_number() const { return (_buffer[1]); }
inline void set_pgm_number(uint8_t number){ _buffer[1] = number; }
inline uint8_t aftertouch() const { return (_buffer[1]); }
inline uint8_t channel_pressure() const { return (_buffer[1]); }
inline bool is_channel_event() const { return (0x80 <= type()) && (type() <= 0xE0); }
inline bool is_smf_meta_event() const { return _buffer[0] == 0xFF; }
inline bool is_sysex() const { return _buffer[0] == 0xF0
|| _buffer[0] == 0xF7; }
};
} // namespace Evoral
#endif // EVORAL_MIDI_EVENT_HPP
|
