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Carla/source/includes/lv2/midi.h

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  1. /*

  2.   Copyright 2012-2016 David Robillard <http://drobilla.net>

  3. 

  4.   Permission to use, copy, modify, and/or distribute this software for any

  5.   purpose with or without fee is hereby granted, provided that the above

  6.   copyright notice and this permission notice appear in all copies.

  7. 

  8.   THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

  9.   WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

  10.   MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

  11.   ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

  12.   WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

  13.   ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

  14.   OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

  15. */

  16. 

  17. /**

  18.    @defgroup midi MIDI

  19. 

  20.    Definitions of standard MIDI messages, see <http://lv2plug.in/ns/ext/midi>

  21.    for details.

  22. 

  23.    @{

  24. */

  25. 

  26. #ifndef LV2_MIDI_H

  27. #define LV2_MIDI_H

  28. 

  29. #include <stdint.h>

  30. 

  31. #ifdef __cplusplus

  32. extern "C" {

  33. #else

  34. #    include <stdbool.h>

  35. #endif

  36. 

  37. #define LV2_MIDI_URI    "http://lv2plug.in/ns/ext/midi"  ///< http://lv2plug.in/ns/ext/midi

  38. #define LV2_MIDI_PREFIX LV2_MIDI_URI "#"                 ///< http://lv2plug.in/ns/ext/midi#

  39. 

  40. #define LV2_MIDI__ActiveSense      LV2_MIDI_PREFIX "ActiveSense"       ///< http://lv2plug.in/ns/ext/midi#ActiveSense

  41. #define LV2_MIDI__Aftertouch       LV2_MIDI_PREFIX "Aftertouch"        ///< http://lv2plug.in/ns/ext/midi#Aftertouch

  42. #define LV2_MIDI__Bender           LV2_MIDI_PREFIX "Bender"            ///< http://lv2plug.in/ns/ext/midi#Bender

  43. #define LV2_MIDI__ChannelPressure  LV2_MIDI_PREFIX "ChannelPressure"   ///< http://lv2plug.in/ns/ext/midi#ChannelPressure

  44. #define LV2_MIDI__Chunk            LV2_MIDI_PREFIX "Chunk"             ///< http://lv2plug.in/ns/ext/midi#Chunk

  45. #define LV2_MIDI__Clock            LV2_MIDI_PREFIX "Clock"             ///< http://lv2plug.in/ns/ext/midi#Clock

  46. #define LV2_MIDI__Continue         LV2_MIDI_PREFIX "Continue"          ///< http://lv2plug.in/ns/ext/midi#Continue

  47. #define LV2_MIDI__Controller       LV2_MIDI_PREFIX "Controller"        ///< http://lv2plug.in/ns/ext/midi#Controller

  48. #define LV2_MIDI__MidiEvent        LV2_MIDI_PREFIX "MidiEvent"         ///< http://lv2plug.in/ns/ext/midi#MidiEvent

  49. #define LV2_MIDI__NoteOff          LV2_MIDI_PREFIX "NoteOff"           ///< http://lv2plug.in/ns/ext/midi#NoteOff

  50. #define LV2_MIDI__NoteOn           LV2_MIDI_PREFIX "NoteOn"            ///< http://lv2plug.in/ns/ext/midi#NoteOn

  51. #define LV2_MIDI__ProgramChange    LV2_MIDI_PREFIX "ProgramChange"     ///< http://lv2plug.in/ns/ext/midi#ProgramChange

  52. #define LV2_MIDI__QuarterFrame     LV2_MIDI_PREFIX "QuarterFrame"      ///< http://lv2plug.in/ns/ext/midi#QuarterFrame

  53. #define LV2_MIDI__Reset            LV2_MIDI_PREFIX "Reset"             ///< http://lv2plug.in/ns/ext/midi#Reset

  54. #define LV2_MIDI__SongPosition     LV2_MIDI_PREFIX "SongPosition"      ///< http://lv2plug.in/ns/ext/midi#SongPosition

  55. #define LV2_MIDI__SongSelect       LV2_MIDI_PREFIX "SongSelect"        ///< http://lv2plug.in/ns/ext/midi#SongSelect

  56. #define LV2_MIDI__Start            LV2_MIDI_PREFIX "Start"             ///< http://lv2plug.in/ns/ext/midi#Start

  57. #define LV2_MIDI__Stop             LV2_MIDI_PREFIX "Stop"              ///< http://lv2plug.in/ns/ext/midi#Stop

  58. #define LV2_MIDI__SystemCommon     LV2_MIDI_PREFIX "SystemCommon"      ///< http://lv2plug.in/ns/ext/midi#SystemCommon

  59. #define LV2_MIDI__SystemExclusive  LV2_MIDI_PREFIX "SystemExclusive"   ///< http://lv2plug.in/ns/ext/midi#SystemExclusive

  60. #define LV2_MIDI__SystemMessage    LV2_MIDI_PREFIX "SystemMessage"     ///< http://lv2plug.in/ns/ext/midi#SystemMessage

  61. #define LV2_MIDI__SystemRealtime   LV2_MIDI_PREFIX "SystemRealtime"    ///< http://lv2plug.in/ns/ext/midi#SystemRealtime

  62. #define LV2_MIDI__Tick             LV2_MIDI_PREFIX "Tick"              ///< http://lv2plug.in/ns/ext/midi#Tick

  63. #define LV2_MIDI__TuneRequest      LV2_MIDI_PREFIX "TuneRequest"       ///< http://lv2plug.in/ns/ext/midi#TuneRequest

  64. #define LV2_MIDI__VoiceMessage     LV2_MIDI_PREFIX "VoiceMessage"      ///< http://lv2plug.in/ns/ext/midi#VoiceMessage

  65. #define LV2_MIDI__benderValue      LV2_MIDI_PREFIX "benderValue"       ///< http://lv2plug.in/ns/ext/midi#benderValue

  66. #define LV2_MIDI__binding          LV2_MIDI_PREFIX "binding"           ///< http://lv2plug.in/ns/ext/midi#binding

  67. #define LV2_MIDI__byteNumber       LV2_MIDI_PREFIX "byteNumber"        ///< http://lv2plug.in/ns/ext/midi#byteNumber

  68. #define LV2_MIDI__channel          LV2_MIDI_PREFIX "channel"           ///< http://lv2plug.in/ns/ext/midi#channel

  69. #define LV2_MIDI__chunk            LV2_MIDI_PREFIX "chunk"             ///< http://lv2plug.in/ns/ext/midi#chunk

  70. #define LV2_MIDI__controllerNumber LV2_MIDI_PREFIX "controllerNumber"  ///< http://lv2plug.in/ns/ext/midi#controllerNumber

  71. #define LV2_MIDI__controllerValue  LV2_MIDI_PREFIX "controllerValue"   ///< http://lv2plug.in/ns/ext/midi#controllerValue

  72. #define LV2_MIDI__noteNumber       LV2_MIDI_PREFIX "noteNumber"        ///< http://lv2plug.in/ns/ext/midi#noteNumber

  73. #define LV2_MIDI__pressure         LV2_MIDI_PREFIX "pressure"          ///< http://lv2plug.in/ns/ext/midi#pressure

  74. #define LV2_MIDI__programNumber    LV2_MIDI_PREFIX "programNumber"     ///< http://lv2plug.in/ns/ext/midi#programNumber

  75. #define LV2_MIDI__property         LV2_MIDI_PREFIX "property"          ///< http://lv2plug.in/ns/ext/midi#property

  76. #define LV2_MIDI__songNumber       LV2_MIDI_PREFIX "songNumber"        ///< http://lv2plug.in/ns/ext/midi#songNumber

  77. #define LV2_MIDI__songPosition     LV2_MIDI_PREFIX "songPosition"      ///< http://lv2plug.in/ns/ext/midi#songPosition

  78. #define LV2_MIDI__status           LV2_MIDI_PREFIX "status"            ///< http://lv2plug.in/ns/ext/midi#status

  79. #define LV2_MIDI__statusMask       LV2_MIDI_PREFIX "statusMask"        ///< http://lv2plug.in/ns/ext/midi#statusMask

  80. #define LV2_MIDI__velocity         LV2_MIDI_PREFIX "velocity"          ///< http://lv2plug.in/ns/ext/midi#velocity

  81. 

  82. /**

  83.    MIDI Message Type.

  84. 

  85.    This includes both voice messages (which have a channel) and system messages

  86.    (which do not), as well as a sentinel value for invalid messages.  To get

  87.    the type of a message suitable for use in a switch statement, use

  88.    lv2_midi_get_type() on the status byte.

  89. */

  90. typedef enum {

  91. 	LV2_MIDI_MSG_INVALID          = 0,     /**< Invalid Message */

  92. 	LV2_MIDI_MSG_NOTE_OFF         = 0x80,  /**< Note Off */

  93. 	LV2_MIDI_MSG_NOTE_ON          = 0x90,  /**< Note On */

  94. 	LV2_MIDI_MSG_NOTE_PRESSURE    = 0xA0,  /**< Note Pressure */

  95. 	LV2_MIDI_MSG_CONTROLLER       = 0xB0,  /**< Controller */

  96. 	LV2_MIDI_MSG_PGM_CHANGE       = 0xC0,  /**< Program Change */

  97. 	LV2_MIDI_MSG_CHANNEL_PRESSURE = 0xD0,  /**< Channel Pressure */

  98. 	LV2_MIDI_MSG_BENDER           = 0xE0,  /**< Pitch Bender */

  99. 	LV2_MIDI_MSG_SYSTEM_EXCLUSIVE = 0xF0,  /**< System Exclusive Begin */

  100. 	LV2_MIDI_MSG_MTC_QUARTER      = 0xF1,  /**< MTC Quarter Frame */

  101. 	LV2_MIDI_MSG_SONG_POS         = 0xF2,  /**< Song Position */

  102. 	LV2_MIDI_MSG_SONG_SELECT      = 0xF3,  /**< Song Select */

  103. 	LV2_MIDI_MSG_TUNE_REQUEST     = 0xF6,  /**< Tune Request */

  104. 	LV2_MIDI_MSG_CLOCK            = 0xF8,  /**< Clock */

  105. 	LV2_MIDI_MSG_START            = 0xFA,  /**< Start */

  106. 	LV2_MIDI_MSG_CONTINUE         = 0xFB,  /**< Continue */

  107. 	LV2_MIDI_MSG_STOP             = 0xFC,  /**< Stop */

  108. 	LV2_MIDI_MSG_ACTIVE_SENSE     = 0xFE,  /**< Active Sensing */

  109. 	LV2_MIDI_MSG_RESET            = 0xFF   /**< Reset */

  110. } LV2_Midi_Message_Type;

  111. 

  112. /**

  113.    Standard MIDI Controller Numbers.

  114. */

  115. typedef enum {

  116. 	LV2_MIDI_CTL_MSB_BANK             = 0x00,  /**< Bank Selection */

  117. 	LV2_MIDI_CTL_MSB_MODWHEEL         = 0x01,  /**< Modulation */

  118. 	LV2_MIDI_CTL_MSB_BREATH           = 0x02,  /**< Breath */

  119. 	LV2_MIDI_CTL_MSB_FOOT             = 0x04,  /**< Foot */

  120. 	LV2_MIDI_CTL_MSB_PORTAMENTO_TIME  = 0x05,  /**< Portamento Time */

  121. 	LV2_MIDI_CTL_MSB_DATA_ENTRY       = 0x06,  /**< Data Entry */

  122. 	LV2_MIDI_CTL_MSB_MAIN_VOLUME      = 0x07,  /**< Main Volume */

  123. 	LV2_MIDI_CTL_MSB_BALANCE          = 0x08,  /**< Balance */

  124. 	LV2_MIDI_CTL_MSB_PAN              = 0x0A,  /**< Panpot */

  125. 	LV2_MIDI_CTL_MSB_EXPRESSION       = 0x0B,  /**< Expression */

  126. 	LV2_MIDI_CTL_MSB_EFFECT1          = 0x0C,  /**< Effect1 */

  127. 	LV2_MIDI_CTL_MSB_EFFECT2          = 0x0D,  /**< Effect2 */

  128. 	LV2_MIDI_CTL_MSB_GENERAL_PURPOSE1 = 0x10,  /**< General Purpose 1 */

  129. 	LV2_MIDI_CTL_MSB_GENERAL_PURPOSE2 = 0x11,  /**< General Purpose 2 */

  130. 	LV2_MIDI_CTL_MSB_GENERAL_PURPOSE3 = 0x12,  /**< General Purpose 3 */

  131. 	LV2_MIDI_CTL_MSB_GENERAL_PURPOSE4 = 0x13,  /**< General Purpose 4 */

  132. 	LV2_MIDI_CTL_LSB_BANK             = 0x20,  /**< Bank Selection */

  133. 	LV2_MIDI_CTL_LSB_MODWHEEL         = 0x21,  /**< Modulation */

  134. 	LV2_MIDI_CTL_LSB_BREATH           = 0x22,  /**< Breath */

  135. 	LV2_MIDI_CTL_LSB_FOOT             = 0x24,  /**< Foot */

  136. 	LV2_MIDI_CTL_LSB_PORTAMENTO_TIME  = 0x25,  /**< Portamento Time */

  137. 	LV2_MIDI_CTL_LSB_DATA_ENTRY       = 0x26,  /**< Data Entry */

  138. 	LV2_MIDI_CTL_LSB_MAIN_VOLUME      = 0x27,  /**< Main Volume */

  139. 	LV2_MIDI_CTL_LSB_BALANCE          = 0x28,  /**< Balance */

  140. 	LV2_MIDI_CTL_LSB_PAN              = 0x2A,  /**< Panpot */

  141. 	LV2_MIDI_CTL_LSB_EXPRESSION       = 0x2B,  /**< Expression */

  142. 	LV2_MIDI_CTL_LSB_EFFECT1          = 0x2C,  /**< Effect1 */

  143. 	LV2_MIDI_CTL_LSB_EFFECT2          = 0x2D,  /**< Effect2 */

  144. 	LV2_MIDI_CTL_LSB_GENERAL_PURPOSE1 = 0x30,  /**< General Purpose 1 */

  145. 	LV2_MIDI_CTL_LSB_GENERAL_PURPOSE2 = 0x31,  /**< General Purpose 2 */

  146. 	LV2_MIDI_CTL_LSB_GENERAL_PURPOSE3 = 0x32,  /**< General Purpose 3 */

  147. 	LV2_MIDI_CTL_LSB_GENERAL_PURPOSE4 = 0x33,  /**< General Purpose 4 */

  148. 	LV2_MIDI_CTL_SUSTAIN              = 0x40,  /**< Sustain Pedal */

  149. 	LV2_MIDI_CTL_PORTAMENTO           = 0x41,  /**< Portamento */

  150. 	LV2_MIDI_CTL_SOSTENUTO            = 0x42,  /**< Sostenuto */

  151. 	LV2_MIDI_CTL_SOFT_PEDAL           = 0x43,  /**< Soft Pedal */

  152. 	LV2_MIDI_CTL_LEGATO_FOOTSWITCH    = 0x44,  /**< Legato Foot Switch */

  153. 	LV2_MIDI_CTL_HOLD2                = 0x45,  /**< Hold2 */

  154. 	LV2_MIDI_CTL_SC1_SOUND_VARIATION  = 0x46,  /**< SC1 Sound Variation */

  155. 	LV2_MIDI_CTL_SC2_TIMBRE           = 0x47,  /**< SC2 Timbre */

  156. 	LV2_MIDI_CTL_SC3_RELEASE_TIME     = 0x48,  /**< SC3 Release Time */

  157. 	LV2_MIDI_CTL_SC4_ATTACK_TIME      = 0x49,  /**< SC4 Attack Time */

  158. 	LV2_MIDI_CTL_SC5_BRIGHTNESS       = 0x4A,  /**< SC5 Brightness */

  159. 	LV2_MIDI_CTL_SC6                  = 0x4B,  /**< SC6 */

  160. 	LV2_MIDI_CTL_SC7                  = 0x4C,  /**< SC7 */

  161. 	LV2_MIDI_CTL_SC8                  = 0x4D,  /**< SC8 */

  162. 	LV2_MIDI_CTL_SC9                  = 0x4E,  /**< SC9 */

  163. 	LV2_MIDI_CTL_SC10                 = 0x4F,  /**< SC10 */

  164. 	LV2_MIDI_CTL_GENERAL_PURPOSE5     = 0x50,  /**< General Purpose 5 */

  165. 	LV2_MIDI_CTL_GENERAL_PURPOSE6     = 0x51,  /**< General Purpose 6 */

  166. 	LV2_MIDI_CTL_GENERAL_PURPOSE7     = 0x52,  /**< General Purpose 7 */

  167. 	LV2_MIDI_CTL_GENERAL_PURPOSE8     = 0x53,  /**< General Purpose 8 */

  168. 	LV2_MIDI_CTL_PORTAMENTO_CONTROL   = 0x54,  /**< Portamento Control */

  169. 	LV2_MIDI_CTL_E1_REVERB_DEPTH      = 0x5B,  /**< E1 Reverb Depth */

  170. 	LV2_MIDI_CTL_E2_TREMOLO_DEPTH     = 0x5C,  /**< E2 Tremolo Depth */

  171. 	LV2_MIDI_CTL_E3_CHORUS_DEPTH      = 0x5D,  /**< E3 Chorus Depth */

  172. 	LV2_MIDI_CTL_E4_DETUNE_DEPTH      = 0x5E,  /**< E4 Detune Depth */

  173. 	LV2_MIDI_CTL_E5_PHASER_DEPTH      = 0x5F,  /**< E5 Phaser Depth */

  174. 	LV2_MIDI_CTL_DATA_INCREMENT       = 0x60,  /**< Data Increment */

  175. 	LV2_MIDI_CTL_DATA_DECREMENT       = 0x61,  /**< Data Decrement */

  176. 	LV2_MIDI_CTL_NRPN_LSB             = 0x62,  /**< Non-registered Parameter Number */

  177. 	LV2_MIDI_CTL_NRPN_MSB             = 0x63,  /**< Non-registered Parameter Number */

  178. 	LV2_MIDI_CTL_RPN_LSB              = 0x64,  /**< Registered Parameter Number */

  179. 	LV2_MIDI_CTL_RPN_MSB              = 0x65,  /**< Registered Parameter Number */

  180. 	LV2_MIDI_CTL_ALL_SOUNDS_OFF       = 0x78,  /**< All Sounds Off */

  181. 	LV2_MIDI_CTL_RESET_CONTROLLERS    = 0x79,  /**< Reset Controllers */

  182. 	LV2_MIDI_CTL_LOCAL_CONTROL_SWITCH = 0x7A,  /**< Local Control Switch */

  183. 	LV2_MIDI_CTL_ALL_NOTES_OFF        = 0x7B,  /**< All Notes Off */

  184. 	LV2_MIDI_CTL_OMNI_OFF             = 0x7C,  /**< Omni Off */

  185. 	LV2_MIDI_CTL_OMNI_ON              = 0x7D,  /**< Omni On */

  186. 	LV2_MIDI_CTL_MONO1                = 0x7E,  /**< Mono1 */

  187. 	LV2_MIDI_CTL_MONO2                = 0x7F   /**< Mono2 */

  188. } LV2_Midi_Controller;

  189. 

  190. /**

  191.    Return true iff `msg` is a MIDI voice message (which has a channel).

  192. */

  193. static inline bool

  194. lv2_midi_is_voice_message(const uint8_t* msg) {

  195. 	return msg[0] >= 0x80 && msg[0] < 0xF0;

  196. }

  197. 

  198. /**

  199.    Return true iff `msg` is a MIDI system message (which has no channel).

  200. */

  201. static inline bool

  202. lv2_midi_is_system_message(const uint8_t* msg) {

  203. 	switch (msg[0]) {

  204. 	case 0xF4: case 0xF5: case 0xF7: case 0xF9: case 0xFD:

  205. 		return false;

  206. 	default:

  207. 		return (msg[0] & 0xF0) == 0xF0;

  208. 	}

  209. }

  210. 

  211. /**

  212.    Return the type of a MIDI message.

  213.    @param msg Pointer to the start (status byte) of a MIDI message.

  214. */

  215. static inline LV2_Midi_Message_Type

  216. lv2_midi_message_type(const uint8_t* msg) {

  217. 	if (lv2_midi_is_voice_message(msg)) {

  218. 		return (LV2_Midi_Message_Type)(msg[0] & 0xF0);

  219. 	} else if (lv2_midi_is_system_message(msg)) {

  220. 		return (LV2_Midi_Message_Type)msg[0];

  221. 	} else {

  222. 		return LV2_MIDI_MSG_INVALID;

  223. 	}

  224. }

  225. 

  226. #ifdef __cplusplus

  227. }  /* extern "C" */

  228. #endif

  229. 

  230. #endif  /* LV2_MIDI_H */

  231. 

  232. /**

  233.    @}

  234. */