diff options
Diffstat (limited to 'lv2/lv2plug.in/ns/ext/midi/midi.h')
| -rw-r--r-- | lv2/lv2plug.in/ns/ext/midi/midi.h | 156 |
1 files changed, 156 insertions, 0 deletions
diff --git a/lv2/lv2plug.in/ns/ext/midi/midi.h b/lv2/lv2plug.in/ns/ext/midi/midi.h index acf403e..2c53c49 100644 --- a/lv2/lv2plug.in/ns/ext/midi/midi.h +++ b/lv2/lv2plug.in/ns/ext/midi/midi.h @@ -22,6 +22,14 @@ #ifndef LV2_MIDI_H #define LV2_MIDI_H +#include <stdint.h> + +#ifdef __cplusplus +extern "C" { +#else +# include <stdbool.h> +#endif + #define LV2_MIDI_URI "http://lv2plug.in/ns/ext/midi" #define LV2_MIDI_PREFIX LV2_MIDI_URI "#" @@ -67,4 +75,152 @@ #define LV2_MIDI__statusMask LV2_MIDI_PREFIX "statusMask" #define LV2_MIDI__velocity LV2_MIDI_PREFIX "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 @p 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 @p 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 */ |