David Robillard
80e54c6ea0
- Separate SMF::open and SMF::create, more powerful interface for both. - Correctly handle note ons with velocity 0 as note offs in sequence. - Use SMF (i.e. libsmf) for MIDI import git-svn-id: svn://localhost/ardour2/branches/3.0@4558 d708f5d6-7413-0410-9779-e7cbd77b26cf
92 lines
4.4 KiB
C++
92 lines
4.4 KiB
C++
/* This file is part of Evoral.
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* Copyright (C) 2008 Dave Robillard <http://drobilla.net>
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* Copyright (C) 2000-2008 Paul Davis
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*
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* Evoral is free software; you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option) any later
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* version.
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*
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* Evoral is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for 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 St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef EVORAL_MIDI_EVENT_HPP
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#define EVORAL_MIDI_EVENT_HPP
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#include <boost/shared_ptr.hpp>
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#include "evoral/Event.hpp"
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#include "evoral/midi_events.h"
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#ifdef EVORAL_MIDI_XML
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class XMLNode;
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#endif
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namespace Evoral {
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/** MIDI helper functions for an Event.
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*
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* This class contains no data, an event can be cast to a MIDIEvent
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* but the application must make sure the event actually contains
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* valid MIDI data for these functions to make sense.
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*/
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template<typename Time>
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struct MIDIEvent : public Event<Time> {
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MIDIEvent(EventType type=0, Time time=0, uint32_t size=0, uint8_t* buf=NULL, bool alloc=false)
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: Event<Time>(type, time, size, buf, alloc)
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{}
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MIDIEvent(const Event<Time>& copy, bool alloc)
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: Event<Time>(copy, alloc)
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{}
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#ifdef EVORAL_MIDI_XML
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/** Event from XML ala http://www.midi.org/dtds/MIDIEvents10.dtd */
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MIDIEvent(const XMLNode& event);
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/** Event to XML ala http://www.midi.org/dtds/MIDIEvents10.dtd */
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boost::shared_ptr<XMLNode> to_xml() const;
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#endif
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inline uint8_t type() const { return (this->_buf[0] & 0xF0); }
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inline void set_type(uint8_t type) { this->_buf[0] = (0x0F & this->_buf[0])
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| (0xF0 & type); }
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inline uint8_t channel() const { return (this->_buf[0] & 0x0F); }
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inline void set_channel(uint8_t channel) { this->_buf[0] = (0xF0 & this->_buf[0])
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| (0x0F & channel); }
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inline bool is_note_on() const { return (type() == MIDI_CMD_NOTE_ON); }
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inline bool is_note_off() const { return (type() == MIDI_CMD_NOTE_OFF); }
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inline bool is_cc() const { return (type() == MIDI_CMD_CONTROL); }
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inline bool is_pitch_bender() const { return (type() == MIDI_CMD_BENDER); }
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inline bool is_pgm_change() const { return (type() == MIDI_CMD_PGM_CHANGE); }
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inline bool is_note() const { return (is_note_on() || is_note_off()); }
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inline bool is_aftertouch() const { return (type() == MIDI_CMD_NOTE_PRESSURE); }
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inline bool is_channel_pressure() const { return (type() == MIDI_CMD_CHANNEL_PRESSURE); }
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inline uint8_t note() const { return (this->_buf[1]); }
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inline uint8_t velocity() const { return (this->_buf[2]); }
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inline uint8_t cc_number() const { return (this->_buf[1]); }
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inline void set_cc_number(uint8_t number) { this->_buf[1] = number; }
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inline uint8_t cc_value() const { return (this->_buf[2]); }
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inline void set_cc_value(uint8_t value) { this->_buf[2] = value; }
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inline uint8_t pitch_bender_lsb() const { return (this->_buf[1]); }
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inline uint8_t pitch_bender_msb() const { return (this->_buf[2]); }
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inline uint16_t pitch_bender_value() const { return ( ((0x7F & this->_buf[2]) << 7)
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| (0x7F & this->_buf[1]) ); }
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inline uint8_t pgm_number() const { return (this->_buf[1]); }
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inline void set_pgm_number(uint8_t number){ this->_buf[1] = number; }
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inline uint8_t aftertouch() const { return (this->_buf[1]); }
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inline uint8_t channel_pressure() const { return (this->_buf[1]); }
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inline bool is_channel_event() const { return (0x80 <= type()) && (type() <= 0xE0); }
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inline bool is_smf_meta_event() const { return this->_buf[0] == 0xFF; }
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inline bool is_sysex() const { return this->_buf[0] == 0xF0
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|| this->_buf[0] == 0xF7; }
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};
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} // namespace Evoral
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#endif // EVORAL_MIDI_EVENT_HPP
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