Mercurial > hg > svcore
view data/fileio/MIDIEvent.h @ 504:3376dc26dece
* Add FeatureWriter method to set basic track metadata; write it out from
RDFFeatureWriter if present
author | Chris Cannam |
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date | Fri, 05 Dec 2008 11:09:44 +0000 |
parents | 73537d900d4b |
children |
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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */ /* Sonic Visualiser An audio file viewer and annotation editor. Centre for Digital Music, Queen Mary, University of London. 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. See the file COPYING included with this distribution for more information. */ /* This is a modified version of a source file from the Rosegarden MIDI and audio sequencer and notation editor. This file copyright 2000-2006 Richard Bown and Chris Cannam. */ #ifndef _MIDI_EVENT_H_ #define _MIDI_EVENT_H_ #include <QString> #include <string> #include <iostream> typedef unsigned char MIDIByte; namespace MIDIConstants { static const char *const MIDI_FILE_HEADER = "MThd"; static const char *const MIDI_TRACK_HEADER = "MTrk"; static const MIDIByte MIDI_STATUS_BYTE_MASK = 0x80; static const MIDIByte MIDI_MESSAGE_TYPE_MASK = 0xF0; static const MIDIByte MIDI_CHANNEL_NUM_MASK = 0x0F; static const MIDIByte MIDI_NOTE_OFF = 0x80; static const MIDIByte MIDI_NOTE_ON = 0x90; static const MIDIByte MIDI_POLY_AFTERTOUCH = 0xA0; static const MIDIByte MIDI_CTRL_CHANGE = 0xB0; static const MIDIByte MIDI_PROG_CHANGE = 0xC0; static const MIDIByte MIDI_CHNL_AFTERTOUCH = 0xD0; static const MIDIByte MIDI_PITCH_BEND = 0xE0; static const MIDIByte MIDI_SELECT_CHNL_MODE = 0xB0; static const MIDIByte MIDI_SYSTEM_EXCLUSIVE = 0xF0; static const MIDIByte MIDI_TC_QUARTER_FRAME = 0xF1; static const MIDIByte MIDI_SONG_POSITION_PTR = 0xF2; static const MIDIByte MIDI_SONG_SELECT = 0xF3; static const MIDIByte MIDI_TUNE_REQUEST = 0xF6; static const MIDIByte MIDI_END_OF_EXCLUSIVE = 0xF7; static const MIDIByte MIDI_TIMING_CLOCK = 0xF8; static const MIDIByte MIDI_START = 0xFA; static const MIDIByte MIDI_CONTINUE = 0xFB; static const MIDIByte MIDI_STOP = 0xFC; static const MIDIByte MIDI_ACTIVE_SENSING = 0xFE; static const MIDIByte MIDI_SYSTEM_RESET = 0xFF; static const MIDIByte MIDI_SYSEX_NONCOMMERCIAL = 0x7D; static const MIDIByte MIDI_SYSEX_NON_RT = 0x7E; static const MIDIByte MIDI_SYSEX_RT = 0x7F; static const MIDIByte MIDI_SYSEX_RT_COMMAND = 0x06; static const MIDIByte MIDI_SYSEX_RT_RESPONSE = 0x07; static const MIDIByte MIDI_MMC_STOP = 0x01; static const MIDIByte MIDI_MMC_PLAY = 0x02; static const MIDIByte MIDI_MMC_DEFERRED_PLAY = 0x03; static const MIDIByte MIDI_MMC_FAST_FORWARD = 0x04; static const MIDIByte MIDI_MMC_REWIND = 0x05; static const MIDIByte MIDI_MMC_RECORD_STROBE = 0x06; static const MIDIByte MIDI_MMC_RECORD_EXIT = 0x07; static const MIDIByte MIDI_MMC_RECORD_PAUSE = 0x08; static const MIDIByte MIDI_MMC_PAUSE = 0x08; static const MIDIByte MIDI_MMC_EJECT = 0x0A; static const MIDIByte MIDI_MMC_LOCATE = 0x44; static const MIDIByte MIDI_FILE_META_EVENT = 0xFF; static const MIDIByte MIDI_SEQUENCE_NUMBER = 0x00; static const MIDIByte MIDI_TEXT_EVENT = 0x01; static const MIDIByte MIDI_COPYRIGHT_NOTICE = 0x02; static const MIDIByte MIDI_TRACK_NAME = 0x03; static const MIDIByte MIDI_INSTRUMENT_NAME = 0x04; static const MIDIByte MIDI_LYRIC = 0x05; static const MIDIByte MIDI_TEXT_MARKER = 0x06; static const MIDIByte MIDI_CUE_POINT = 0x07; static const MIDIByte MIDI_CHANNEL_PREFIX = 0x20; static const MIDIByte MIDI_CHANNEL_PREFIX_OR_PORT = 0x21; static const MIDIByte MIDI_END_OF_TRACK = 0x2F; static const MIDIByte MIDI_SET_TEMPO = 0x51; static const MIDIByte MIDI_SMPTE_OFFSET = 0x54; static const MIDIByte MIDI_TIME_SIGNATURE = 0x58; static const MIDIByte MIDI_KEY_SIGNATURE = 0x59; static const MIDIByte MIDI_SEQUENCER_SPECIFIC = 0x7F; static const MIDIByte MIDI_CONTROLLER_BANK_MSB = 0x00; static const MIDIByte MIDI_CONTROLLER_VOLUME = 0x07; static const MIDIByte MIDI_CONTROLLER_BANK_LSB = 0x20; static const MIDIByte MIDI_CONTROLLER_MODULATION = 0x01; static const MIDIByte MIDI_CONTROLLER_PAN = 0x0A; static const MIDIByte MIDI_CONTROLLER_SUSTAIN = 0x40; static const MIDIByte MIDI_CONTROLLER_RESONANCE = 0x47; static const MIDIByte MIDI_CONTROLLER_RELEASE = 0x48; static const MIDIByte MIDI_CONTROLLER_ATTACK = 0x49; static const MIDIByte MIDI_CONTROLLER_FILTER = 0x4A; static const MIDIByte MIDI_CONTROLLER_REVERB = 0x5B; static const MIDIByte MIDI_CONTROLLER_CHORUS = 0x5D; static const MIDIByte MIDI_CONTROLLER_NRPN_1 = 0x62; static const MIDIByte MIDI_CONTROLLER_NRPN_2 = 0x63; static const MIDIByte MIDI_CONTROLLER_RPN_1 = 0x64; static const MIDIByte MIDI_CONTROLLER_RPN_2 = 0x65; static const MIDIByte MIDI_CONTROLLER_SOUNDS_OFF = 0x78; static const MIDIByte MIDI_CONTROLLER_RESET = 0x79; static const MIDIByte MIDI_CONTROLLER_LOCAL = 0x7A; static const MIDIByte MIDI_CONTROLLER_ALL_NOTES_OFF = 0x7B; static const MIDIByte MIDI_PERCUSSION_CHANNEL = 9; } class MIDIEvent { public: MIDIEvent(unsigned long deltaTime, MIDIByte eventCode, MIDIByte data1 = 0, MIDIByte data2 = 0) : m_deltaTime(deltaTime), m_duration(0), m_eventCode(eventCode), m_data1(data1), m_data2(data2), m_metaEventCode(0) { } MIDIEvent(unsigned long deltaTime, MIDIByte eventCode, MIDIByte metaEventCode, const std::string &metaMessage) : m_deltaTime(deltaTime), m_duration(0), m_eventCode(eventCode), m_data1(0), m_data2(0), m_metaEventCode(metaEventCode), m_metaMessage(metaMessage) { } MIDIEvent(unsigned long deltaTime, MIDIByte eventCode, const std::string &sysEx) : m_deltaTime(deltaTime), m_duration(0), m_eventCode(eventCode), m_data1(0), m_data2(0), m_metaEventCode(0), m_metaMessage(sysEx) { } ~MIDIEvent() { } void setTime(const unsigned long &time) { m_deltaTime = time; } void setDuration(const unsigned long& duration) { m_duration = duration;} unsigned long addTime(const unsigned long &time) { m_deltaTime += time; return m_deltaTime; } MIDIByte getMessageType() const { return (m_eventCode & MIDIConstants::MIDI_MESSAGE_TYPE_MASK); } MIDIByte getChannelNumber() const { return (m_eventCode & MIDIConstants::MIDI_CHANNEL_NUM_MASK); } unsigned long getTime() const { return m_deltaTime; } unsigned long getDuration() const { return m_duration; } MIDIByte getPitch() const { return m_data1; } MIDIByte getVelocity() const { return m_data2; } MIDIByte getData1() const { return m_data1; } MIDIByte getData2() const { return m_data2; } MIDIByte getEventCode() const { return m_eventCode; } bool isMeta() const { return (m_eventCode == MIDIConstants::MIDI_FILE_META_EVENT); } MIDIByte getMetaEventCode() const { return m_metaEventCode; } std::string getMetaMessage() const { return m_metaMessage; } void setMetaMessage(const std::string &meta) { m_metaMessage = meta; } friend bool operator<(const MIDIEvent &a, const MIDIEvent &b); private: MIDIEvent& operator=(const MIDIEvent); unsigned long m_deltaTime; unsigned long m_duration; MIDIByte m_eventCode; MIDIByte m_data1; // or Note MIDIByte m_data2; // or Velocity MIDIByte m_metaEventCode; std::string m_metaMessage; }; // Comparator for sorting // struct MIDIEventCmp { bool operator()(const MIDIEvent &mE1, const MIDIEvent &mE2) const { return mE1.getTime() < mE2.getTime(); } bool operator()(const MIDIEvent *mE1, const MIDIEvent *mE2) const { return mE1->getTime() < mE2->getTime(); } }; class MIDIException : virtual public std::exception { public: MIDIException(QString message) throw() : m_message(message) { std::cerr << "WARNING: MIDI exception: " << message.toLocal8Bit().data() << std::endl; } virtual ~MIDIException() throw() { } virtual const char *what() const throw() { return m_message.toLocal8Bit().data(); } protected: QString m_message; }; #endif