1 /* This file is part of Evoral.
2 * Copyright (C) 2008 Dave Robillard <http://drobilla.net>
3 * Copyright (C) 2000-2008 Paul Davis
5 * Evoral is free software; you can redistribute it and/or modify it under the
6 * terms of the GNU General Public License as published by the Free Software
7 * Foundation; either version 2 of the License, or (at your option) any later
10 * Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
11 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 #ifndef EVORAL_MIDI_EVENT_HPP
20 #define EVORAL_MIDI_EVENT_HPP
23 #include <boost/shared_ptr.hpp>
24 #include "evoral/Event.hpp"
25 #include "evoral/midi_events.h"
26 #ifdef EVORAL_MIDI_XML
32 /** MIDI helper functions for an Event.
34 * This class contains no data, an event can be cast to a MIDIEvent
35 * but the application must make sure the event actually contains
36 * valid MIDI data for these functions to make sense.
38 template<typename Time>
39 struct MIDIEvent : public Event<Time> {
40 MIDIEvent(EventType type=0, Time time=0, uint32_t size=0, uint8_t* buf=NULL, bool alloc=false)
41 : Event<Time>(type, time, size, buf, alloc)
44 MIDIEvent(const Event<Time>& copy, bool alloc)
45 : Event<Time>(copy, alloc)
48 #ifdef EVORAL_MIDI_XML
49 /** Event from XML ala http://www.midi.org/dtds/MIDIEvents10.dtd */
50 MIDIEvent(const XMLNode& event);
52 /** Event to XML ala http://www.midi.org/dtds/MIDIEvents10.dtd */
53 boost::shared_ptr<XMLNode> to_xml() const;
56 inline uint8_t type() const { return (this->_buf[0] & 0xF0); }
57 inline void set_type(uint8_t type) { this->_buf[0] = (0x0F & this->_buf[0])
59 inline uint8_t channel() const { return (this->_buf[0] & 0x0F); }
60 inline void set_channel(uint8_t channel) { this->_buf[0] = (0xF0 & this->_buf[0])
62 inline bool is_note_on() const { return (type() == MIDI_CMD_NOTE_ON); }
63 inline bool is_note_off() const { return (type() == MIDI_CMD_NOTE_OFF); }
64 inline bool is_cc() const { return (type() == MIDI_CMD_CONTROL); }
65 inline bool is_pitch_bender() const { return (type() == MIDI_CMD_BENDER); }
66 inline bool is_pgm_change() const { return (type() == MIDI_CMD_PGM_CHANGE); }
67 inline bool is_note() const { return (is_note_on() || is_note_off()); }
68 inline bool is_aftertouch() const { return (type() == MIDI_CMD_NOTE_PRESSURE); }
69 inline bool is_channel_pressure() const { return (type() == MIDI_CMD_CHANNEL_PRESSURE); }
70 inline uint8_t note() const { return (this->_buf[1]); }
71 inline uint8_t velocity() const { return (this->_buf[2]); }
72 inline void set_velocity(uint8_t value) { this->_buf[2] = value; }
73 inline void scale_velocity(float factor) {
74 if (factor < 0) factor = 0;
75 this->_buf[2] = (uint8_t) lrintf (this->_buf[2]*factor);
76 if (this->_buf[2] > 127) this->_buf[2] = 127;
78 inline uint8_t cc_number() const { return (this->_buf[1]); }
79 inline void set_cc_number(uint8_t number) { this->_buf[1] = number; }
80 inline uint8_t cc_value() const { return (this->_buf[2]); }
81 inline void set_cc_value(uint8_t value) { this->_buf[2] = value; }
82 inline uint8_t pitch_bender_lsb() const { return (this->_buf[1]); }
83 inline uint8_t pitch_bender_msb() const { return (this->_buf[2]); }
84 inline uint16_t pitch_bender_value() const { return ( ((0x7F & this->_buf[2]) << 7)
85 | (0x7F & this->_buf[1]) ); }
86 inline uint8_t pgm_number() const { return (this->_buf[1]); }
87 inline void set_pgm_number(uint8_t number){ this->_buf[1] = number; }
88 inline uint8_t aftertouch() const { return (this->_buf[1]); }
89 inline uint8_t channel_pressure() const { return (this->_buf[1]); }
90 inline bool is_channel_event() const { return (0x80 <= type()) && (type() <= 0xE0); }
91 inline bool is_smf_meta_event() const { return this->_buf[0] == 0xFF; }
92 inline bool is_sysex() const { return this->_buf[0] == 0xF0
93 || this->_buf[0] == 0xF7; }
98 #endif // EVORAL_MIDI_EVENT_HPP