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Diffstat (limited to 'lv2/midi/midi.h')
| -rw-r--r-- | lv2/midi/midi.h | 233 |
1 files changed, 233 insertions, 0 deletions
diff --git a/lv2/midi/midi.h b/lv2/midi/midi.h new file mode 100644 index 0000000..52e9956 --- /dev/null +++ b/lv2/midi/midi.h @@ -0,0 +1,233 @@ +/* + Copyright 2012-2016 David Robillard <http://drobilla.net> + + Permission to use, copy, modify, and/or distribute this software for any + purpose with or without fee is hereby granted, provided that the above + copyright notice and this permission notice appear in all copies. + + THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. +*/ + +/** + @defgroup midi MIDI + + Definitions of standard MIDI messages, see <http://lv2plug.in/ns/ext/midi> + for details. + + @{ +*/ + +#ifndef LV2_MIDI_H +#define LV2_MIDI_H + +#include <stdbool.h> +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#endif + +#define LV2_MIDI_URI "http://lv2plug.in/ns/ext/midi" ///< http://lv2plug.in/ns/ext/midi +#define LV2_MIDI_PREFIX LV2_MIDI_URI "#" ///< http://lv2plug.in/ns/ext/midi# + +#define LV2_MIDI__ActiveSense LV2_MIDI_PREFIX "ActiveSense" ///< http://lv2plug.in/ns/ext/midi#ActiveSense +#define LV2_MIDI__Aftertouch LV2_MIDI_PREFIX "Aftertouch" ///< http://lv2plug.in/ns/ext/midi#Aftertouch +#define LV2_MIDI__Bender LV2_MIDI_PREFIX "Bender" ///< http://lv2plug.in/ns/ext/midi#Bender +#define LV2_MIDI__ChannelPressure LV2_MIDI_PREFIX "ChannelPressure" ///< http://lv2plug.in/ns/ext/midi#ChannelPressure +#define LV2_MIDI__Chunk LV2_MIDI_PREFIX "Chunk" ///< http://lv2plug.in/ns/ext/midi#Chunk +#define LV2_MIDI__Clock LV2_MIDI_PREFIX "Clock" ///< http://lv2plug.in/ns/ext/midi#Clock +#define LV2_MIDI__Continue LV2_MIDI_PREFIX "Continue" ///< http://lv2plug.in/ns/ext/midi#Continue +#define LV2_MIDI__Controller LV2_MIDI_PREFIX "Controller" ///< http://lv2plug.in/ns/ext/midi#Controller +#define LV2_MIDI__MidiEvent LV2_MIDI_PREFIX "MidiEvent" ///< http://lv2plug.in/ns/ext/midi#MidiEvent +#define LV2_MIDI__NoteOff LV2_MIDI_PREFIX "NoteOff" ///< http://lv2plug.in/ns/ext/midi#NoteOff +#define LV2_MIDI__NoteOn LV2_MIDI_PREFIX "NoteOn" ///< http://lv2plug.in/ns/ext/midi#NoteOn +#define LV2_MIDI__ProgramChange LV2_MIDI_PREFIX "ProgramChange" ///< http://lv2plug.in/ns/ext/midi#ProgramChange +#define LV2_MIDI__QuarterFrame LV2_MIDI_PREFIX "QuarterFrame" ///< http://lv2plug.in/ns/ext/midi#QuarterFrame +#define LV2_MIDI__Reset LV2_MIDI_PREFIX "Reset" ///< http://lv2plug.in/ns/ext/midi#Reset +#define LV2_MIDI__SongPosition LV2_MIDI_PREFIX "SongPosition" ///< http://lv2plug.in/ns/ext/midi#SongPosition +#define LV2_MIDI__SongSelect LV2_MIDI_PREFIX "SongSelect" ///< http://lv2plug.in/ns/ext/midi#SongSelect +#define LV2_MIDI__Start LV2_MIDI_PREFIX "Start" ///< http://lv2plug.in/ns/ext/midi#Start +#define LV2_MIDI__Stop LV2_MIDI_PREFIX "Stop" ///< http://lv2plug.in/ns/ext/midi#Stop +#define LV2_MIDI__SystemCommon LV2_MIDI_PREFIX "SystemCommon" ///< http://lv2plug.in/ns/ext/midi#SystemCommon +#define LV2_MIDI__SystemExclusive LV2_MIDI_PREFIX "SystemExclusive" ///< http://lv2plug.in/ns/ext/midi#SystemExclusive +#define LV2_MIDI__SystemMessage LV2_MIDI_PREFIX "SystemMessage" ///< http://lv2plug.in/ns/ext/midi#SystemMessage +#define LV2_MIDI__SystemRealtime LV2_MIDI_PREFIX "SystemRealtime" ///< http://lv2plug.in/ns/ext/midi#SystemRealtime +#define LV2_MIDI__Tick LV2_MIDI_PREFIX "Tick" ///< http://lv2plug.in/ns/ext/midi#Tick +#define LV2_MIDI__TuneRequest LV2_MIDI_PREFIX "TuneRequest" ///< http://lv2plug.in/ns/ext/midi#TuneRequest +#define LV2_MIDI__VoiceMessage LV2_MIDI_PREFIX "VoiceMessage" ///< http://lv2plug.in/ns/ext/midi#VoiceMessage +#define LV2_MIDI__benderValue LV2_MIDI_PREFIX "benderValue" ///< http://lv2plug.in/ns/ext/midi#benderValue +#define LV2_MIDI__binding LV2_MIDI_PREFIX "binding" ///< http://lv2plug.in/ns/ext/midi#binding +#define LV2_MIDI__byteNumber LV2_MIDI_PREFIX "byteNumber" ///< http://lv2plug.in/ns/ext/midi#byteNumber +#define LV2_MIDI__channel LV2_MIDI_PREFIX "channel" ///< http://lv2plug.in/ns/ext/midi#channel +#define LV2_MIDI__chunk LV2_MIDI_PREFIX "chunk" ///< http://lv2plug.in/ns/ext/midi#chunk +#define LV2_MIDI__controllerNumber LV2_MIDI_PREFIX "controllerNumber" ///< http://lv2plug.in/ns/ext/midi#controllerNumber +#define LV2_MIDI__controllerValue LV2_MIDI_PREFIX "controllerValue" ///< http://lv2plug.in/ns/ext/midi#controllerValue +#define LV2_MIDI__noteNumber LV2_MIDI_PREFIX "noteNumber" ///< http://lv2plug.in/ns/ext/midi#noteNumber +#define LV2_MIDI__pressure LV2_MIDI_PREFIX "pressure" ///< http://lv2plug.in/ns/ext/midi#pressure +#define LV2_MIDI__programNumber LV2_MIDI_PREFIX "programNumber" ///< http://lv2plug.in/ns/ext/midi#programNumber +#define LV2_MIDI__property LV2_MIDI_PREFIX "property" ///< http://lv2plug.in/ns/ext/midi#property +#define LV2_MIDI__songNumber LV2_MIDI_PREFIX "songNumber" ///< http://lv2plug.in/ns/ext/midi#songNumber +#define LV2_MIDI__songPosition LV2_MIDI_PREFIX "songPosition" ///< http://lv2plug.in/ns/ext/midi#songPosition +#define LV2_MIDI__status LV2_MIDI_PREFIX "status" ///< http://lv2plug.in/ns/ext/midi#status +#define LV2_MIDI__statusMask LV2_MIDI_PREFIX "statusMask" ///< http://lv2plug.in/ns/ext/midi#statusMask +#define LV2_MIDI__velocity LV2_MIDI_PREFIX "velocity" ///< http://lv2plug.in/ns/ext/midi#velocity + +/** + MIDI Message Type. + + This includes both voice messages (which have a channel) and system messages + (which do not), as well as a sentinel value for invalid messages. To get + the type of a message suitable for use in a switch statement, use + lv2_midi_get_type() on the status byte. +*/ +typedef enum { + LV2_MIDI_MSG_INVALID = 0, /**< Invalid Message */ + LV2_MIDI_MSG_NOTE_OFF = 0x80, /**< Note Off */ + LV2_MIDI_MSG_NOTE_ON = 0x90, /**< Note On */ + LV2_MIDI_MSG_NOTE_PRESSURE = 0xA0, /**< Note Pressure */ + LV2_MIDI_MSG_CONTROLLER = 0xB0, /**< Controller */ + LV2_MIDI_MSG_PGM_CHANGE = 0xC0, /**< Program Change */ + LV2_MIDI_MSG_CHANNEL_PRESSURE = 0xD0, /**< Channel Pressure */ + LV2_MIDI_MSG_BENDER = 0xE0, /**< Pitch Bender */ + LV2_MIDI_MSG_SYSTEM_EXCLUSIVE = 0xF0, /**< System Exclusive Begin */ + LV2_MIDI_MSG_MTC_QUARTER = 0xF1, /**< MTC Quarter Frame */ + LV2_MIDI_MSG_SONG_POS = 0xF2, /**< Song Position */ + LV2_MIDI_MSG_SONG_SELECT = 0xF3, /**< Song Select */ + LV2_MIDI_MSG_TUNE_REQUEST = 0xF6, /**< Tune Request */ + LV2_MIDI_MSG_CLOCK = 0xF8, /**< Clock */ + LV2_MIDI_MSG_START = 0xFA, /**< Start */ + LV2_MIDI_MSG_CONTINUE = 0xFB, /**< Continue */ + LV2_MIDI_MSG_STOP = 0xFC, /**< Stop */ + LV2_MIDI_MSG_ACTIVE_SENSE = 0xFE, /**< Active Sensing */ + LV2_MIDI_MSG_RESET = 0xFF /**< Reset */ +} LV2_Midi_Message_Type; + +/** + Standard MIDI Controller Numbers. +*/ +typedef enum { + LV2_MIDI_CTL_MSB_BANK = 0x00, /**< Bank Selection */ + LV2_MIDI_CTL_MSB_MODWHEEL = 0x01, /**< Modulation */ + LV2_MIDI_CTL_MSB_BREATH = 0x02, /**< Breath */ + LV2_MIDI_CTL_MSB_FOOT = 0x04, /**< Foot */ + LV2_MIDI_CTL_MSB_PORTAMENTO_TIME = 0x05, /**< Portamento Time */ + LV2_MIDI_CTL_MSB_DATA_ENTRY = 0x06, /**< Data Entry */ + LV2_MIDI_CTL_MSB_MAIN_VOLUME = 0x07, /**< Main Volume */ + LV2_MIDI_CTL_MSB_BALANCE = 0x08, /**< Balance */ + LV2_MIDI_CTL_MSB_PAN = 0x0A, /**< Panpot */ + LV2_MIDI_CTL_MSB_EXPRESSION = 0x0B, /**< Expression */ + LV2_MIDI_CTL_MSB_EFFECT1 = 0x0C, /**< Effect1 */ + LV2_MIDI_CTL_MSB_EFFECT2 = 0x0D, /**< Effect2 */ + LV2_MIDI_CTL_MSB_GENERAL_PURPOSE1 = 0x10, /**< General Purpose 1 */ + LV2_MIDI_CTL_MSB_GENERAL_PURPOSE2 = 0x11, /**< General Purpose 2 */ + LV2_MIDI_CTL_MSB_GENERAL_PURPOSE3 = 0x12, /**< General Purpose 3 */ + LV2_MIDI_CTL_MSB_GENERAL_PURPOSE4 = 0x13, /**< General Purpose 4 */ + LV2_MIDI_CTL_LSB_BANK = 0x20, /**< Bank Selection */ + LV2_MIDI_CTL_LSB_MODWHEEL = 0x21, /**< Modulation */ + LV2_MIDI_CTL_LSB_BREATH = 0x22, /**< Breath */ + LV2_MIDI_CTL_LSB_FOOT = 0x24, /**< Foot */ + LV2_MIDI_CTL_LSB_PORTAMENTO_TIME = 0x25, /**< Portamento Time */ + LV2_MIDI_CTL_LSB_DATA_ENTRY = 0x26, /**< Data Entry */ + LV2_MIDI_CTL_LSB_MAIN_VOLUME = 0x27, /**< Main Volume */ + LV2_MIDI_CTL_LSB_BALANCE = 0x28, /**< Balance */ + LV2_MIDI_CTL_LSB_PAN = 0x2A, /**< Panpot */ + LV2_MIDI_CTL_LSB_EXPRESSION = 0x2B, /**< Expression */ + LV2_MIDI_CTL_LSB_EFFECT1 = 0x2C, /**< Effect1 */ + LV2_MIDI_CTL_LSB_EFFECT2 = 0x2D, /**< Effect2 */ + LV2_MIDI_CTL_LSB_GENERAL_PURPOSE1 = 0x30, /**< General Purpose 1 */ + LV2_MIDI_CTL_LSB_GENERAL_PURPOSE2 = 0x31, /**< General Purpose 2 */ + LV2_MIDI_CTL_LSB_GENERAL_PURPOSE3 = 0x32, /**< General Purpose 3 */ + LV2_MIDI_CTL_LSB_GENERAL_PURPOSE4 = 0x33, /**< General Purpose 4 */ + LV2_MIDI_CTL_SUSTAIN = 0x40, /**< Sustain Pedal */ + LV2_MIDI_CTL_PORTAMENTO = 0x41, /**< Portamento */ + LV2_MIDI_CTL_SOSTENUTO = 0x42, /**< Sostenuto */ + LV2_MIDI_CTL_SOFT_PEDAL = 0x43, /**< Soft Pedal */ + LV2_MIDI_CTL_LEGATO_FOOTSWITCH = 0x44, /**< Legato Foot Switch */ + LV2_MIDI_CTL_HOLD2 = 0x45, /**< Hold2 */ + LV2_MIDI_CTL_SC1_SOUND_VARIATION = 0x46, /**< SC1 Sound Variation */ + LV2_MIDI_CTL_SC2_TIMBRE = 0x47, /**< SC2 Timbre */ + LV2_MIDI_CTL_SC3_RELEASE_TIME = 0x48, /**< SC3 Release Time */ + LV2_MIDI_CTL_SC4_ATTACK_TIME = 0x49, /**< SC4 Attack Time */ + LV2_MIDI_CTL_SC5_BRIGHTNESS = 0x4A, /**< SC5 Brightness */ + LV2_MIDI_CTL_SC6 = 0x4B, /**< SC6 */ + LV2_MIDI_CTL_SC7 = 0x4C, /**< SC7 */ + LV2_MIDI_CTL_SC8 = 0x4D, /**< SC8 */ + LV2_MIDI_CTL_SC9 = 0x4E, /**< SC9 */ + LV2_MIDI_CTL_SC10 = 0x4F, /**< SC10 */ + LV2_MIDI_CTL_GENERAL_PURPOSE5 = 0x50, /**< General Purpose 5 */ + LV2_MIDI_CTL_GENERAL_PURPOSE6 = 0x51, /**< General Purpose 6 */ + LV2_MIDI_CTL_GENERAL_PURPOSE7 = 0x52, /**< General Purpose 7 */ + LV2_MIDI_CTL_GENERAL_PURPOSE8 = 0x53, /**< General Purpose 8 */ + LV2_MIDI_CTL_PORTAMENTO_CONTROL = 0x54, /**< Portamento Control */ + LV2_MIDI_CTL_E1_REVERB_DEPTH = 0x5B, /**< E1 Reverb Depth */ + LV2_MIDI_CTL_E2_TREMOLO_DEPTH = 0x5C, /**< E2 Tremolo Depth */ + LV2_MIDI_CTL_E3_CHORUS_DEPTH = 0x5D, /**< E3 Chorus Depth */ + LV2_MIDI_CTL_E4_DETUNE_DEPTH = 0x5E, /**< E4 Detune Depth */ + LV2_MIDI_CTL_E5_PHASER_DEPTH = 0x5F, /**< E5 Phaser Depth */ + LV2_MIDI_CTL_DATA_INCREMENT = 0x60, /**< Data Increment */ + LV2_MIDI_CTL_DATA_DECREMENT = 0x61, /**< Data Decrement */ + LV2_MIDI_CTL_NRPN_LSB = 0x62, /**< Non-registered Parameter Number */ + LV2_MIDI_CTL_NRPN_MSB = 0x63, /**< Non-registered Parameter Number */ + LV2_MIDI_CTL_RPN_LSB = 0x64, /**< Registered Parameter Number */ + LV2_MIDI_CTL_RPN_MSB = 0x65, /**< Registered Parameter Number */ + LV2_MIDI_CTL_ALL_SOUNDS_OFF = 0x78, /**< All Sounds Off */ + LV2_MIDI_CTL_RESET_CONTROLLERS = 0x79, /**< Reset Controllers */ + LV2_MIDI_CTL_LOCAL_CONTROL_SWITCH = 0x7A, /**< Local Control Switch */ + LV2_MIDI_CTL_ALL_NOTES_OFF = 0x7B, /**< All Notes Off */ + LV2_MIDI_CTL_OMNI_OFF = 0x7C, /**< Omni Off */ + LV2_MIDI_CTL_OMNI_ON = 0x7D, /**< Omni On */ + LV2_MIDI_CTL_MONO1 = 0x7E, /**< Mono1 */ + LV2_MIDI_CTL_MONO2 = 0x7F /**< Mono2 */ +} LV2_Midi_Controller; + +/** + Return true iff `msg` is a MIDI voice message (which has a channel). +*/ +static inline bool +lv2_midi_is_voice_message(const uint8_t* msg) { + return msg[0] >= 0x80 && msg[0] < 0xF0; +} + +/** + Return true iff `msg` is a MIDI system message (which has no channel). +*/ +static inline bool +lv2_midi_is_system_message(const uint8_t* msg) { + switch (msg[0]) { + case 0xF4: case 0xF5: case 0xF7: case 0xF9: case 0xFD: + return false; + default: + return (msg[0] & 0xF0) == 0xF0; + } +} + +/** + Return the type of a MIDI message. + @param msg Pointer to the start (status byte) of a MIDI message. +*/ +static inline LV2_Midi_Message_Type +lv2_midi_message_type(const uint8_t* msg) { + if (lv2_midi_is_voice_message(msg)) { + return (LV2_Midi_Message_Type)(msg[0] & 0xF0); + } else if (lv2_midi_is_system_message(msg)) { + return (LV2_Midi_Message_Type)msg[0]; + } else { + return LV2_MIDI_MSG_INVALID; + } +} + +#ifdef __cplusplus +} /* extern "C" */ +#endif + +#endif /* LV2_MIDI_H */ + +/** + @} +*/ |