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The JUCE cross-platform C++ framework, with DISTRHO/KXStudio specific changes
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JUCE/modules/juce_audio_basics/midi/juce_MidiMessage.cpp

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  1. /*

  2.   ==============================================================================

  3. 

  4.    This file is part of the JUCE library.

  5.    Copyright (c) 2016 - ROLI Ltd.

  6. 

  7.    Permission is granted to use this software under the terms of the ISC license

  8.    http://www.isc.org/downloads/software-support-policy/isc-license/

  9. 

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

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

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

  13. 

  14.    THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH REGARD

  15.    TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND

  16.    FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,

  17.    OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF

  18.    USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

  19.    TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE

  20.    OF THIS SOFTWARE.

  21. 

  22.    -----------------------------------------------------------------------------

  23. 

  24.    To release a closed-source product which uses other parts of JUCE not

  25.    licensed under the ISC terms, commercial licenses are available: visit

  26.    www.juce.com for more information.

  27. 

  28.   ==============================================================================

  29. */

  30. 

  31. namespace MidiHelpers

  32. {

  33.     inline uint8 initialByte (const int type, const int channel) noexcept

  34.     {

  35.         return (uint8) (type | jlimit (0, 15, channel - 1));

  36.     }

  37. 

  38.     inline uint8 validVelocity (const int v) noexcept

  39.     {

  40.         return (uint8) jlimit (0, 127, v);

  41.     }

  42. }

  43. 

  44. //==============================================================================

  45. uint8 MidiMessage::floatValueToMidiByte (const float v) noexcept

  46. {

  47.     return MidiHelpers::validVelocity (roundToInt (v * 127.0f));

  48. }

  49. 

  50. uint16 MidiMessage::pitchbendToPitchwheelPos (const float pitchbend,

  51.                                  const float pitchbendRange) noexcept

  52. {

  53.     // can't translate a pitchbend value that is outside of the given range!

  54.     jassert (std::abs (pitchbend) <= pitchbendRange);

  55. 

  56.     return static_cast<uint16> (pitchbend > 0.0f

  57.                                   ? jmap (pitchbend, 0.0f, pitchbendRange, 8192.0f, 16383.0f)

  58.                                   : jmap (pitchbend, -pitchbendRange, 0.0f, 0.0f, 8192.0f));

  59. }

  60. 

  61. //==============================================================================

  62. int MidiMessage::readVariableLengthVal (const uint8* data, int& numBytesUsed) noexcept

  63. {

  64.     numBytesUsed = 0;

  65.     int v = 0, i;

  66. 

  67.     do

  68.     {

  69.         i = (int) *data++;

  70. 

  71.         if (++numBytesUsed > 6)

  72.             break;

  73. 

  74.         v = (v << 7) + (i & 0x7f);

  75. 

  76.     } while (i & 0x80);

  77. 

  78.     return v;

  79. }

  80. 

  81. int MidiMessage::getMessageLengthFromFirstByte (const uint8 firstByte) noexcept

  82. {

  83.     // this method only works for valid starting bytes of a short midi message

  84.     jassert (firstByte >= 0x80 && firstByte != 0xf0 && firstByte != 0xf7);

  85. 

  86.     static const char messageLengths[] =

  87.     {

  88.         3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  89.         3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  90.         3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  91.         3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  92.         2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  93.         2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,

  94.         3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,

  95.         1, 2, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1

  96.     };

  97. 

  98.     return messageLengths [firstByte & 0x7f];

  99. }

  100. 

  101. //==============================================================================

  102. MidiMessage::MidiMessage() noexcept

  103.    : timeStamp (0), size (2)

  104. {

  105.     packedData.asBytes[0] = 0xf0;

  106.     packedData.asBytes[1] = 0xf7;

  107. }

  108. 

  109. MidiMessage::MidiMessage (const void* const d, const int dataSize, const double t)

  110.    : timeStamp (t), size (dataSize)

  111. {

  112.     jassert (dataSize > 0);

  113.     // this checks that the length matches the data..

  114.     jassert (dataSize > 3 || *(uint8*)d >= 0xf0 || getMessageLengthFromFirstByte (*(uint8*)d) == size);

  115. 

  116.     memcpy (allocateSpace (dataSize), d, (size_t) dataSize);

  117. }

  118. 

  119. MidiMessage::MidiMessage (const int byte1, const double t) noexcept

  120.    : timeStamp (t), size (1)

  121. {

  122.     packedData.asBytes[0] = (uint8) byte1;

  123. 

  124.     // check that the length matches the data..

  125.     jassert (byte1 >= 0xf0 || getMessageLengthFromFirstByte ((uint8) byte1) == 1);

  126. }

  127. 

  128. MidiMessage::MidiMessage (const int byte1, const int byte2, const double t) noexcept

  129.    : timeStamp (t), size (2)

  130. {

  131.     packedData.asBytes[0] = (uint8) byte1;

  132.     packedData.asBytes[1] = (uint8) byte2;

  133. 

  134.     // check that the length matches the data..

  135.     jassert (byte1 >= 0xf0 || getMessageLengthFromFirstByte ((uint8) byte1) == 2);

  136. }

  137. 

  138. MidiMessage::MidiMessage (const int byte1, const int byte2, const int byte3, const double t) noexcept

  139.    : timeStamp (t), size (3)

  140. {

  141.     packedData.asBytes[0] = (uint8) byte1;

  142.     packedData.asBytes[1] = (uint8) byte2;

  143.     packedData.asBytes[2] = (uint8) byte3;

  144. 

  145.     // check that the length matches the data..

  146.     jassert (byte1 >= 0xf0 || getMessageLengthFromFirstByte ((uint8) byte1) == 3);

  147. }

  148. 

  149. MidiMessage::MidiMessage (const MidiMessage& other)

  150.    : timeStamp (other.timeStamp), size (other.size)

  151. {

  152.     if (isHeapAllocated())

  153.         memcpy (allocateSpace (size), other.getData(), (size_t) size);

  154.     else

  155.         packedData.allocatedData = other.packedData.allocatedData;

  156. }

  157. 

  158. MidiMessage::MidiMessage (const MidiMessage& other, const double newTimeStamp)

  159.    : timeStamp (newTimeStamp), size (other.size)

  160. {

  161.     if (isHeapAllocated())

  162.         memcpy (allocateSpace (size), other.getData(), (size_t) size);

  163.     else

  164.         packedData.allocatedData = other.packedData.allocatedData;

  165. }

  166. 

  167. MidiMessage::MidiMessage (const void* srcData, int sz, int& numBytesUsed, const uint8 lastStatusByte,

  168.                           double t, bool sysexHasEmbeddedLength)

  169.     : timeStamp (t)

  170. {

  171.     const uint8* src = static_cast<const uint8*> (srcData);

  172.     unsigned int byte = (unsigned int) *src;

  173. 

  174.     if (byte < 0x80)

  175.     {

  176.         byte = (unsigned int) (uint8) lastStatusByte;

  177.         numBytesUsed = -1;

  178.     }

  179.     else

  180.     {

  181.         numBytesUsed = 0;

  182.         --sz;

  183.         ++src;

  184.     }

  185. 

  186.     if (byte >= 0x80)

  187.     {

  188.         if (byte == 0xf0)

  189.         {

  190.             const uint8* d = src;

  191.             bool haveReadAllLengthBytes = ! sysexHasEmbeddedLength;

  192.             int numVariableLengthSysexBytes = 0;

  193. 

  194.             while (d < src + sz)

  195.             {

  196.                 if (*d >= 0x80)

  197.                 {

  198.                     if (*d == 0xf7)

  199.                     {

  200.                         ++d;  // include the trailing 0xf7 when we hit it

  201.                         break;

  202.                     }

  203. 

  204.                     if (haveReadAllLengthBytes) // if we see a 0x80 bit set after the initial data length

  205.                         break;                  // bytes, assume it's the end of the sysex

  206. 

  207.                     ++numVariableLengthSysexBytes;

  208.                 }

  209.                 else if (! haveReadAllLengthBytes)

  210.                 {

  211.                     haveReadAllLengthBytes = true;

  212.                     ++numVariableLengthSysexBytes;

  213.                 }

  214. 

  215.                 ++d;

  216.             }

  217. 

  218.             src += numVariableLengthSysexBytes;

  219.             size = 1 + (int) (d - src);

  220. 

  221.             uint8* dest = allocateSpace (size);

  222.             *dest = (uint8) byte;

  223.             memcpy (dest + 1, src, (size_t) (size - 1));

  224. 

  225.             numBytesUsed += numVariableLengthSysexBytes;  // (these aren't counted in the size)

  226.         }

  227.         else if (byte == 0xff)

  228.         {

  229.             int n;

  230.             const int bytesLeft = readVariableLengthVal (src + 1, n);

  231.             size = jmin (sz + 1, n + 2 + bytesLeft);

  232. 

  233.             uint8* dest = allocateSpace (size);

  234.             *dest = (uint8) byte;

  235.             memcpy (dest + 1, src, (size_t) size - 1);

  236.         }

  237.         else

  238.         {

  239.             size = getMessageLengthFromFirstByte ((uint8) byte);

  240.             packedData.asBytes[0] = (uint8) byte;

  241. 

  242.             if (size > 1)

  243.             {

  244.                 packedData.asBytes[1] = src[0];

  245. 

  246.                 if (size > 2)

  247.                     packedData.asBytes[2] = src[1];

  248.             }

  249.         }

  250. 

  251.         numBytesUsed += size;

  252.     }

  253.     else

  254.     {

  255.         packedData.allocatedData = nullptr;

  256.         size = 0;

  257.     }

  258. }

  259. 

  260. MidiMessage& MidiMessage::operator= (const MidiMessage& other)

  261. {

  262.     if (this != &other)

  263.     {

  264.         if (other.isHeapAllocated())

  265.         {

  266.             if (isHeapAllocated())

  267.                 packedData.allocatedData = static_cast<uint8*> (std::realloc (packedData.allocatedData, (size_t) other.size));

  268.             else

  269.                 packedData.allocatedData = static_cast<uint8*> (std::malloc ((size_t) other.size));

  270. 

  271.             memcpy (packedData.allocatedData, other.packedData.allocatedData, (size_t) other.size);

  272.         }

  273.         else

  274.         {

  275.             if (isHeapAllocated())

  276.                 std::free (packedData.allocatedData);

  277. 

  278.             packedData.allocatedData = other.packedData.allocatedData;

  279.         }

  280. 

  281.         timeStamp = other.timeStamp;

  282.         size = other.size;

  283.     }

  284. 

  285.     return *this;

  286. }

  287. 

  288. MidiMessage::MidiMessage (MidiMessage&& other) noexcept

  289.    : timeStamp (other.timeStamp), size (other.size)

  290. {

  291.     packedData.allocatedData = other.packedData.allocatedData;

  292.     other.size = 0;

  293. }

  294. 

  295. MidiMessage& MidiMessage::operator= (MidiMessage&& other) noexcept

  296. {

  297.     packedData.allocatedData = other.packedData.allocatedData;

  298.     timeStamp = other.timeStamp;

  299.     size = other.size;

  300.     other.size = 0;

  301.     return *this;

  302. }

  303. 

  304. MidiMessage::~MidiMessage() noexcept

  305. {

  306.     if (isHeapAllocated())

  307.         std::free (packedData.allocatedData);

  308. }

  309. 

  310. uint8* MidiMessage::allocateSpace (int bytes)

  311. {

  312.     if (bytes > (int) sizeof (packedData))

  313.     {

  314.         uint8* d = static_cast<uint8*> (std::malloc ((size_t) bytes));

  315.         packedData.allocatedData = d;

  316.         return d;

  317.     }

  318. 

  319.     return packedData.asBytes;

  320. }

  321. 

  322. String MidiMessage::getDescription() const

  323. {

  324.     if (isNoteOn())           return "Note on "  + MidiMessage::getMidiNoteName (getNoteNumber(), true, true, 3) + " Velocity " + String (getVelocity()) + " Channel " + String (getChannel());

  325.     if (isNoteOff())          return "Note off " + MidiMessage::getMidiNoteName (getNoteNumber(), true, true, 3) + " Velocity " + String (getVelocity()) + " Channel " + String (getChannel());

  326.     if (isProgramChange())    return "Program change " + String (getProgramChangeNumber()) + " Channel " + String (getChannel());

  327.     if (isPitchWheel())       return "Pitch wheel " + String (getPitchWheelValue()) + " Channel " + String (getChannel());

  328.     if (isAftertouch())       return "Aftertouch " + MidiMessage::getMidiNoteName (getNoteNumber(), true, true, 3) +  ": " + String (getAfterTouchValue()) + " Channel " + String (getChannel());

  329.     if (isChannelPressure())  return "Channel pressure " + String (getChannelPressureValue()) + " Channel " + String (getChannel());

  330.     if (isAllNotesOff())      return "All notes off Channel " + String (getChannel());

  331.     if (isAllSoundOff())      return "All sound off Channel " + String (getChannel());

  332.     if (isMetaEvent())        return "Meta event";

  333. 

  334.     if (isController())

  335.     {

  336.         String name (MidiMessage::getControllerName (getControllerNumber()));

  337. 

  338.         if (name.isEmpty())

  339.             name = String (getControllerNumber());

  340. 

  341.         return "Controller " + name + ": " + String (getControllerValue()) + " Channel " + String (getChannel());

  342.     }

  343. 

  344.     return String::toHexString (getRawData(), getRawDataSize());

  345. }

  346. 

  347. int MidiMessage::getChannel() const noexcept

  348. {

  349.     const uint8* const data = getRawData();

  350. 

  351.     if ((data[0] & 0xf0) != 0xf0)

  352.         return (data[0] & 0xf) + 1;

  353. 

  354.     return 0;

  355. }

  356. 

  357. bool MidiMessage::isForChannel (const int channel) const noexcept

  358. {

  359.     jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16

  360. 

  361.     const uint8* const data = getRawData();

  362. 

  363.     return ((data[0] & 0xf) == channel - 1)

  364.              && ((data[0] & 0xf0) != 0xf0);

  365. }

  366. 

  367. void MidiMessage::setChannel (const int channel) noexcept

  368. {

  369.     jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16

  370. 

  371.     uint8* const data = getData();

  372. 

  373.     if ((data[0] & 0xf0) != (uint8) 0xf0)

  374.         data[0] = (uint8) ((data[0] & (uint8) 0xf0)

  375.                             | (uint8)(channel - 1));

  376. }

  377. 

  378. bool MidiMessage::isNoteOn (const bool returnTrueForVelocity0) const noexcept

  379. {

  380.     const uint8* const data = getRawData();

  381. 

  382.     return ((data[0] & 0xf0) == 0x90)

  383.              && (returnTrueForVelocity0 || data[2] != 0);

  384. }

  385. 

  386. bool MidiMessage::isNoteOff (const bool returnTrueForNoteOnVelocity0) const noexcept

  387. {

  388.     const uint8* const data = getRawData();

  389. 

  390.     return ((data[0] & 0xf0) == 0x80)

  391.             || (returnTrueForNoteOnVelocity0 && (data[2] == 0) && ((data[0] & 0xf0) == 0x90));

  392. }

  393. 

  394. bool MidiMessage::isNoteOnOrOff() const noexcept

  395. {

  396.     const uint8* const data = getRawData();

  397. 

  398.     const int d = data[0] & 0xf0;

  399.     return (d == 0x90) || (d == 0x80);

  400. }

  401. 

  402. int MidiMessage::getNoteNumber() const noexcept

  403. {

  404.     return getRawData()[1];

  405. }

  406. 

  407. void MidiMessage::setNoteNumber (const int newNoteNumber) noexcept

  408. {

  409.     if (isNoteOnOrOff() || isAftertouch())

  410.         getData()[1] = (uint8) (newNoteNumber & 127);

  411. }

  412. 

  413. uint8 MidiMessage::getVelocity() const noexcept

  414. {

  415.     if (isNoteOnOrOff())

  416.         return getRawData()[2];

  417. 

  418.     return 0;

  419. }

  420. 

  421. float MidiMessage::getFloatVelocity() const noexcept

  422. {

  423.     return getVelocity() * (1.0f / 127.0f);

  424. }

  425. 

  426. void MidiMessage::setVelocity (const float newVelocity) noexcept

  427. {

  428.     if (isNoteOnOrOff())

  429.         getData()[2] = floatValueToMidiByte (newVelocity);

  430. }

  431. 

  432. void MidiMessage::multiplyVelocity (const float scaleFactor) noexcept

  433. {

  434.     if (isNoteOnOrOff())

  435.     {

  436.         uint8* const data = getData();

  437.         data[2] = MidiHelpers::validVelocity (roundToInt (scaleFactor * data[2]));

  438.     }

  439. }

  440. 

  441. bool MidiMessage::isAftertouch() const noexcept

  442. {

  443.     return (getRawData()[0] & 0xf0) == 0xa0;

  444. }

  445. 

  446. int MidiMessage::getAfterTouchValue() const noexcept

  447. {

  448.     jassert (isAftertouch());

  449.     return getRawData()[2];

  450. }

  451. 

  452. MidiMessage MidiMessage::aftertouchChange (const int channel,

  453.                                            const int noteNum,

  454.                                            const int aftertouchValue) noexcept

  455. {

  456.     jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16

  457.     jassert (isPositiveAndBelow (noteNum, (int) 128));

  458.     jassert (isPositiveAndBelow (aftertouchValue, (int) 128));

  459. 

  460.     return MidiMessage (MidiHelpers::initialByte (0xa0, channel),

  461.                         noteNum & 0x7f,

  462.                         aftertouchValue & 0x7f);

  463. }

  464. 

  465. bool MidiMessage::isChannelPressure() const noexcept

  466. {

  467.     return (getRawData()[0] & 0xf0) == 0xd0;

  468. }

  469. 

  470. int MidiMessage::getChannelPressureValue() const noexcept

  471. {

  472.     jassert (isChannelPressure());

  473.     return getRawData()[1];

  474. }

  475. 

  476. MidiMessage MidiMessage::channelPressureChange (const int channel, const int pressure) noexcept

  477. {

  478.     jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16

  479.     jassert (isPositiveAndBelow (pressure, (int) 128));

  480. 

  481.     return MidiMessage (MidiHelpers::initialByte (0xd0, channel), pressure & 0x7f);

  482. }

  483. 

  484. bool MidiMessage::isSustainPedalOn() const noexcept     { return isControllerOfType (0x40) && getRawData()[2] >= 64; }

  485. bool MidiMessage::isSustainPedalOff() const noexcept    { return isControllerOfType (0x40) && getRawData()[2] <  64; }

  486. 

  487. bool MidiMessage::isSostenutoPedalOn() const noexcept   { return isControllerOfType (0x42) && getRawData()[2] >= 64; }

  488. bool MidiMessage::isSostenutoPedalOff() const noexcept  { return isControllerOfType (0x42) && getRawData()[2] <  64; }

  489. 

  490. bool MidiMessage::isSoftPedalOn() const noexcept        { return isControllerOfType (0x43) && getRawData()[2] >= 64; }

  491. bool MidiMessage::isSoftPedalOff() const noexcept       { return isControllerOfType (0x43) && getRawData()[2] <  64; }

  492. 

  493. 

  494. bool MidiMessage::isProgramChange() const noexcept

  495. {

  496.     return (getRawData()[0] & 0xf0) == 0xc0;

  497. }

  498. 

  499. int MidiMessage::getProgramChangeNumber() const noexcept

  500. {

  501.     jassert (isProgramChange());

  502.     return getRawData()[1];

  503. }

  504. 

  505. MidiMessage MidiMessage::programChange (const int channel, const int programNumber) noexcept

  506. {

  507.     jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16

  508. 

  509.     return MidiMessage (MidiHelpers::initialByte (0xc0, channel), programNumber & 0x7f);

  510. }

  511. 

  512. bool MidiMessage::isPitchWheel() const noexcept

  513. {

  514.     return (getRawData()[0] & 0xf0) == 0xe0;

  515. }

  516. 

  517. int MidiMessage::getPitchWheelValue() const noexcept

  518. {

  519.     jassert (isPitchWheel());

  520.     const uint8* const data = getRawData();

  521.     return data[1] | (data[2] << 7);

  522. }

  523. 

  524. MidiMessage MidiMessage::pitchWheel (const int channel, const int position) noexcept

  525. {

  526.     jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16

  527.     jassert (isPositiveAndBelow (position, (int) 0x4000));

  528. 

  529.     return MidiMessage (MidiHelpers::initialByte (0xe0, channel),

  530.                         position & 127, (position >> 7) & 127);

  531. }

  532. 

  533. bool MidiMessage::isController() const noexcept

  534. {

  535.     return (getRawData()[0] & 0xf0) == 0xb0;

  536. }

  537. 

  538. bool MidiMessage::isControllerOfType (const int controllerType) const noexcept

  539. {

  540.     const uint8* const data = getRawData();

  541.     return (data[0] & 0xf0) == 0xb0 && data[1] == controllerType;

  542. }

  543. 

  544. int MidiMessage::getControllerNumber() const noexcept

  545. {

  546.     jassert (isController());

  547.     return getRawData()[1];

  548. }

  549. 

  550. int MidiMessage::getControllerValue() const noexcept

  551. {

  552.     jassert (isController());

  553.     return getRawData()[2];

  554. }

  555. 

  556. MidiMessage MidiMessage::controllerEvent (const int channel, const int controllerType, const int value) noexcept

  557. {

  558.     // the channel must be between 1 and 16 inclusive

  559.     jassert (channel > 0 && channel <= 16);

  560. 

  561.     return MidiMessage (MidiHelpers::initialByte (0xb0, channel),

  562.                         controllerType & 127, value & 127);

  563. }

  564. 

  565. MidiMessage MidiMessage::noteOn (const int channel, const int noteNumber, const uint8 velocity) noexcept

  566. {

  567.     jassert (channel > 0 && channel <= 16);

  568.     jassert (isPositiveAndBelow (noteNumber, (int) 128));

  569. 

  570.     return MidiMessage (MidiHelpers::initialByte (0x90, channel),

  571.                         noteNumber & 127, MidiHelpers::validVelocity (velocity));

  572. }

  573. 

  574. MidiMessage MidiMessage::noteOn (const int channel, const int noteNumber, const float velocity) noexcept

  575. {

  576.     return noteOn (channel, noteNumber, floatValueToMidiByte (velocity));

  577. }

  578. 

  579. MidiMessage MidiMessage::noteOff (const int channel, const int noteNumber, uint8 velocity) noexcept

  580. {

  581.     jassert (channel > 0 && channel <= 16);

  582.     jassert (isPositiveAndBelow (noteNumber, (int) 128));

  583. 

  584.     return MidiMessage (MidiHelpers::initialByte (0x80, channel),

  585.                         noteNumber & 127, MidiHelpers::validVelocity (velocity));

  586. }

  587. 

  588. MidiMessage MidiMessage::noteOff (const int channel, const int noteNumber, float velocity) noexcept

  589. {

  590.     return noteOff (channel, noteNumber, floatValueToMidiByte (velocity));

  591. }

  592. 

  593. MidiMessage MidiMessage::noteOff (const int channel, const int noteNumber) noexcept

  594. {

  595.     jassert (channel > 0 && channel <= 16);

  596.     jassert (isPositiveAndBelow (noteNumber, (int) 128));

  597. 

  598.     return MidiMessage (MidiHelpers::initialByte (0x80, channel), noteNumber & 127, 0);

  599. }

  600. 

  601. MidiMessage MidiMessage::allNotesOff (const int channel) noexcept

  602. {

  603.     return controllerEvent (channel, 123, 0);

  604. }

  605. 

  606. bool MidiMessage::isAllNotesOff() const noexcept

  607. {

  608.     const uint8* const data = getRawData();

  609.     return (data[0] & 0xf0) == 0xb0 && data[1] == 123;

  610. }

  611. 

  612. MidiMessage MidiMessage::allSoundOff (const int channel) noexcept

  613. {

  614.     return controllerEvent (channel, 120, 0);

  615. }

  616. 

  617. bool MidiMessage::isAllSoundOff() const noexcept

  618. {

  619.     const uint8* const data = getRawData();

  620.     return (data[0] & 0xf0) == 0xb0 && data[1] == 120;

  621. }

  622. 

  623. MidiMessage MidiMessage::allControllersOff (const int channel) noexcept

  624. {

  625.     return controllerEvent (channel, 121, 0);

  626. }

  627. 

  628. MidiMessage MidiMessage::masterVolume (const float volume)

  629. {

  630.     const int vol = jlimit (0, 0x3fff, roundToInt (volume * 0x4000));

  631. 

  632.     const uint8 buf[] = { 0xf0, 0x7f, 0x7f, 0x04, 0x01,

  633.                           (uint8) (vol & 0x7f),

  634.                           (uint8) (vol >> 7),

  635.                           0xf7 };

  636. 

  637.     return MidiMessage (buf, 8);

  638. }

  639. 

  640. //==============================================================================

  641. bool MidiMessage::isSysEx() const noexcept

  642. {

  643.     return *getRawData() == 0xf0;

  644. }

  645. 

  646. MidiMessage MidiMessage::createSysExMessage (const void* sysexData, const int dataSize)

  647. {

  648.     HeapBlock<uint8> m ((size_t) dataSize + 2);

  649. 

  650.     m[0] = 0xf0;

  651.     memcpy (m + 1, sysexData, (size_t) dataSize);

  652.     m[dataSize + 1] = 0xf7;

  653. 

  654.     return MidiMessage (m, dataSize + 2);

  655. }

  656. 

  657. const uint8* MidiMessage::getSysExData() const noexcept

  658. {

  659.     return isSysEx() ? getRawData() + 1 : nullptr;

  660. }

  661. 

  662. int MidiMessage::getSysExDataSize() const noexcept

  663. {

  664.     return isSysEx() ? size - 2 : 0;

  665. }

  666. 

  667. //==============================================================================

  668. bool MidiMessage::isMetaEvent() const noexcept      { return *getRawData() == 0xff; }

  669. bool MidiMessage::isActiveSense() const noexcept    { return *getRawData() == 0xfe; }

  670. 

  671. int MidiMessage::getMetaEventType() const noexcept

  672. {

  673.     const uint8* const data = getRawData();

  674.     return *data != 0xff ? -1 : data[1];

  675. }

  676. 

  677. int MidiMessage::getMetaEventLength() const noexcept

  678. {

  679.     const uint8* const data = getRawData();

  680.     if (*data == 0xff)

  681.     {

  682.         int n;

  683.         return jmin (size - 2, readVariableLengthVal (data + 2, n));

  684.     }

  685. 

  686.     return 0;

  687. }

  688. 

  689. const uint8* MidiMessage::getMetaEventData() const noexcept

  690. {

  691.     jassert (isMetaEvent());

  692. 

  693.     int n;

  694.     const uint8* d = getRawData() + 2;

  695.     readVariableLengthVal (d, n);

  696.     return d + n;

  697. }

  698. 

  699. bool MidiMessage::isTrackMetaEvent() const noexcept         { return getMetaEventType() == 0; }

  700. bool MidiMessage::isEndOfTrackMetaEvent() const noexcept    { return getMetaEventType() == 47; }

  701. 

  702. bool MidiMessage::isTextMetaEvent() const noexcept

  703. {

  704.     const int t = getMetaEventType();

  705.     return t > 0 && t < 16;

  706. }

  707. 

  708. String MidiMessage::getTextFromTextMetaEvent() const

  709. {

  710.     const char* const textData = reinterpret_cast<const char*> (getMetaEventData());

  711.     return String (CharPointer_UTF8 (textData),

  712.                    CharPointer_UTF8 (textData + getMetaEventLength()));

  713. }

  714. 

  715. MidiMessage MidiMessage::textMetaEvent (int type, StringRef text)

  716. {

  717.     jassert (type > 0 && type < 16);

  718. 

  719.     MidiMessage result;

  720. 

  721.     const size_t textSize = text.text.sizeInBytes() - 1;

  722. 

  723.     uint8 header[8];

  724.     size_t n = sizeof (header);

  725. 

  726.     header[--n] = (uint8) (textSize & 0x7f);

  727. 

  728.     for (size_t i = textSize; (i >>= 7) != 0;)

  729.         header[--n] = (uint8) ((i & 0x7f) | 0x80);

  730. 

  731.     header[--n] = (uint8) type;

  732.     header[--n] = 0xff;

  733. 

  734.     const size_t headerLen = sizeof (header) - n;

  735.     const int totalSize = (int) (headerLen + textSize);

  736. 

  737.     uint8* const dest = result.allocateSpace (totalSize);

  738.     result.size = totalSize;

  739. 

  740.     memcpy (dest, header + n, headerLen);

  741.     memcpy (dest + headerLen, text.text.getAddress(), textSize);

  742. 

  743.     return result;

  744. }

  745. 

  746. bool MidiMessage::isTrackNameEvent() const noexcept         { const uint8* data = getRawData(); return (data[1] == 3)    && (*data == 0xff); }

  747. bool MidiMessage::isTempoMetaEvent() const noexcept         { const uint8* data = getRawData(); return (data[1] == 81)   && (*data == 0xff); }

  748. bool MidiMessage::isMidiChannelMetaEvent() const noexcept   { const uint8* data = getRawData(); return (data[1] == 0x20) && (*data == 0xff) && (data[2] == 1); }

  749. 

  750. int MidiMessage::getMidiChannelMetaEventChannel() const noexcept

  751. {

  752.     jassert (isMidiChannelMetaEvent());

  753.     return getRawData()[3] + 1;

  754. }

  755. 

  756. double MidiMessage::getTempoSecondsPerQuarterNote() const noexcept

  757. {

  758.     if (! isTempoMetaEvent())

  759.         return 0.0;

  760. 

  761.     const uint8* const d = getMetaEventData();

  762. 

  763.     return (((unsigned int) d[0] << 16)

  764.              | ((unsigned int) d[1] << 8)

  765.              | d[2])

  766.             / 1000000.0;

  767. }

  768. 

  769. double MidiMessage::getTempoMetaEventTickLength (const short timeFormat) const noexcept

  770. {

  771.     if (timeFormat > 0)

  772.     {

  773.         if (! isTempoMetaEvent())

  774.             return 0.5 / timeFormat;

  775. 

  776.         return getTempoSecondsPerQuarterNote() / timeFormat;

  777.     }

  778.     else

  779.     {

  780.         const int frameCode = (-timeFormat) >> 8;

  781.         double framesPerSecond;

  782. 

  783.         switch (frameCode)

  784.         {

  785.             case 24: framesPerSecond = 24.0;   break;

  786.             case 25: framesPerSecond = 25.0;   break;

  787.             case 29: framesPerSecond = 30.0 * 1000.0 / 1001.0;  break;

  788.             case 30: framesPerSecond = 30.0;   break;

  789.             default: framesPerSecond = 30.0;   break;

  790.         }

  791. 

  792.         return (1.0 / framesPerSecond) / (timeFormat & 0xff);

  793.     }

  794. }

  795. 

  796. MidiMessage MidiMessage::tempoMetaEvent (int microsecondsPerQuarterNote) noexcept

  797. {

  798.     const uint8 d[] = { 0xff, 81, 3,

  799.                         (uint8) (microsecondsPerQuarterNote >> 16),

  800.                         (uint8) (microsecondsPerQuarterNote >> 8),

  801.                         (uint8) microsecondsPerQuarterNote };

  802. 

  803.     return MidiMessage (d, 6, 0.0);

  804. }

  805. 

  806. bool MidiMessage::isTimeSignatureMetaEvent() const noexcept

  807. {

  808.     const uint8* const data = getRawData();

  809.     return (data[1] == 0x58) && (*data == (uint8) 0xff);

  810. }

  811. 

  812. void MidiMessage::getTimeSignatureInfo (int& numerator, int& denominator) const noexcept

  813. {

  814.     if (isTimeSignatureMetaEvent())

  815.     {

  816.         const uint8* const d = getMetaEventData();

  817.         numerator = d[0];

  818.         denominator = 1 << d[1];

  819.     }

  820.     else

  821.     {

  822.         numerator = 4;

  823.         denominator = 4;

  824.     }

  825. }

  826. 

  827. MidiMessage MidiMessage::timeSignatureMetaEvent (const int numerator, const int denominator)

  828. {

  829.     int n = 1;

  830.     int powerOfTwo = 0;

  831. 

  832.     while (n < denominator)

  833.     {

  834.         n <<= 1;

  835.         ++powerOfTwo;

  836.     }

  837. 

  838.     const uint8 d[] = { 0xff, 0x58, 0x04, (uint8) numerator, (uint8) powerOfTwo, 1, 96 };

  839.     return MidiMessage (d, 7, 0.0);

  840. }

  841. 

  842. MidiMessage MidiMessage::midiChannelMetaEvent (const int channel) noexcept

  843. {

  844.     const uint8 d[] = { 0xff, 0x20, 0x01, (uint8) jlimit (0, 0xff, channel - 1) };

  845.     return MidiMessage (d, 4, 0.0);

  846. }

  847. 

  848. bool MidiMessage::isKeySignatureMetaEvent() const noexcept

  849. {

  850.     return getMetaEventType() == 0x59;

  851. }

  852. 

  853. int MidiMessage::getKeySignatureNumberOfSharpsOrFlats() const noexcept

  854. {

  855.     return (int) (int8) getMetaEventData()[0];

  856. }

  857. 

  858. bool MidiMessage::isKeySignatureMajorKey() const noexcept

  859. {

  860.     return getMetaEventData()[1] == 0;

  861. }

  862. 

  863. MidiMessage MidiMessage::keySignatureMetaEvent (int numberOfSharpsOrFlats, bool isMinorKey)

  864. {

  865.     jassert (numberOfSharpsOrFlats >= -7 && numberOfSharpsOrFlats <= 7);

  866. 

  867.     const uint8 d[] = { 0xff, 0x59, 0x02, (uint8) numberOfSharpsOrFlats, isMinorKey ? (uint8) 1 : (uint8) 0 };

  868.     return MidiMessage (d, 5, 0.0);

  869. }

  870. 

  871. MidiMessage MidiMessage::endOfTrack() noexcept

  872. {

  873.     return MidiMessage (0xff, 0x2f, 0, 0.0);

  874. }

  875. 

  876. //==============================================================================

  877. bool MidiMessage::isSongPositionPointer() const noexcept         { return *getRawData() == 0xf2; }

  878. int MidiMessage::getSongPositionPointerMidiBeat() const noexcept { const uint8* data = getRawData(); return data[1] | (data[2] << 7); }

  879. 

  880. MidiMessage MidiMessage::songPositionPointer (const int positionInMidiBeats) noexcept

  881. {

  882.     return MidiMessage (0xf2,

  883.                         positionInMidiBeats & 127,

  884.                         (positionInMidiBeats >> 7) & 127);

  885. }

  886. 

  887. bool MidiMessage::isMidiStart() const noexcept            { return *getRawData() == 0xfa; }

  888. MidiMessage MidiMessage::midiStart() noexcept             { return MidiMessage (0xfa); }

  889. 

  890. bool MidiMessage::isMidiContinue() const noexcept         { return *getRawData() == 0xfb; }

  891. MidiMessage MidiMessage::midiContinue() noexcept          { return MidiMessage (0xfb); }

  892. 

  893. bool MidiMessage::isMidiStop() const noexcept             { return *getRawData() == 0xfc; }

  894. MidiMessage MidiMessage::midiStop() noexcept              { return MidiMessage (0xfc); }

  895. 

  896. bool MidiMessage::isMidiClock() const noexcept            { return *getRawData() == 0xf8; }

  897. MidiMessage MidiMessage::midiClock() noexcept             { return MidiMessage (0xf8); }

  898. 

  899. bool MidiMessage::isQuarterFrame() const noexcept               { return *getRawData() == 0xf1; }

  900. int MidiMessage::getQuarterFrameSequenceNumber() const noexcept { return ((int) getRawData()[1]) >> 4; }

  901. int MidiMessage::getQuarterFrameValue() const noexcept          { return ((int) getRawData()[1]) & 0x0f; }

  902. 

  903. MidiMessage MidiMessage::quarterFrame (const int sequenceNumber, const int value) noexcept

  904. {

  905.     return MidiMessage (0xf1, (sequenceNumber << 4) | value);

  906. }

  907. 

  908. bool MidiMessage::isFullFrame() const noexcept

  909. {

  910.     const uint8* const data = getRawData();

  911. 

  912.     return data[0] == 0xf0

  913.             && data[1] == 0x7f

  914.             && size >= 10

  915.             && data[3] == 0x01

  916.             && data[4] == 0x01;

  917. }

  918. 

  919. void MidiMessage::getFullFrameParameters (int& hours, int& minutes, int& seconds, int& frames,

  920.                                           MidiMessage::SmpteTimecodeType& timecodeType) const noexcept

  921. {

  922.     jassert (isFullFrame());

  923. 

  924.     const uint8* const data = getRawData();

  925.     timecodeType = (SmpteTimecodeType) (data[5] >> 5);

  926.     hours   = data[5] & 0x1f;

  927.     minutes = data[6];

  928.     seconds = data[7];

  929.     frames  = data[8];

  930. }

  931. 

  932. MidiMessage MidiMessage::fullFrame (const int hours, const int minutes,

  933.                                     const int seconds, const int frames,

  934.                                     MidiMessage::SmpteTimecodeType timecodeType)

  935. {

  936.     const uint8 d[] = { 0xf0, 0x7f, 0x7f, 0x01, 0x01,

  937.                         (uint8) ((hours & 0x01f) | (timecodeType << 5)),

  938.                         (uint8) minutes,

  939.                         (uint8) seconds,

  940.                         (uint8) frames,

  941.                         0xf7 };

  942. 

  943.     return MidiMessage (d, 10, 0.0);

  944. }

  945. 

  946. bool MidiMessage::isMidiMachineControlMessage() const noexcept

  947. {

  948.     const uint8* const data = getRawData();

  949.     return data[0] == 0xf0

  950.         && data[1] == 0x7f

  951.         && data[3] == 0x06

  952.         && size > 5;

  953. }

  954. 

  955. MidiMessage::MidiMachineControlCommand MidiMessage::getMidiMachineControlCommand() const noexcept

  956. {

  957.     jassert (isMidiMachineControlMessage());

  958. 

  959.     return (MidiMachineControlCommand) getRawData()[4];

  960. }

  961. 

  962. MidiMessage MidiMessage::midiMachineControlCommand (MidiMessage::MidiMachineControlCommand command)

  963. {

  964.     const uint8 d[] = { 0xf0, 0x7f, 0, 6, (uint8) command, 0xf7 };

  965. 

  966.     return MidiMessage (d, 6, 0.0);

  967. }

  968. 

  969. //==============================================================================

  970. bool MidiMessage::isMidiMachineControlGoto (int& hours, int& minutes, int& seconds, int& frames) const noexcept

  971. {

  972.     const uint8* const data = getRawData();

  973.     if (size >= 12

  974.          && data[0] == 0xf0

  975.          && data[1] == 0x7f

  976.          && data[3] == 0x06

  977.          && data[4] == 0x44

  978.          && data[5] == 0x06

  979.          && data[6] == 0x01)

  980.     {

  981.         hours = data[7] % 24;   // (that some machines send out hours > 24)

  982.         minutes = data[8];

  983.         seconds = data[9];

  984.         frames = data[10];

  985. 

  986.         return true;

  987.     }

  988. 

  989.     return false;

  990. }

  991. 

  992. MidiMessage MidiMessage::midiMachineControlGoto (int hours, int minutes, int seconds, int frames)

  993. {

  994.     const uint8 d[] = { 0xf0, 0x7f, 0, 6, 0x44, 6, 1,

  995.                         (uint8) hours,

  996.                         (uint8) minutes,

  997.                         (uint8) seconds,

  998.                         (uint8) frames,

  999.                         0xf7 };

  1000. 

  1001.     return MidiMessage (d, 12, 0.0);

  1002. }

  1003. 

  1004. //==============================================================================

  1005. String MidiMessage::getMidiNoteName (int note, bool useSharps, bool includeOctaveNumber, int octaveNumForMiddleC)

  1006. {

  1007.     static const char* const sharpNoteNames[] = { "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B" };

  1008.     static const char* const flatNoteNames[]  = { "C", "Db", "D", "Eb", "E", "F", "Gb", "G", "Ab", "A", "Bb", "B" };

  1009. 

  1010.     if (isPositiveAndBelow (note, (int) 128))

  1011.     {

  1012.         String s (useSharps ? sharpNoteNames [note % 12]

  1013.                             : flatNoteNames  [note % 12]);

  1014. 

  1015.         if (includeOctaveNumber)

  1016.             s << (note / 12 + (octaveNumForMiddleC - 5));

  1017. 

  1018.         return s;

  1019.     }

  1020. 

  1021.     return String();

  1022. }

  1023. 

  1024. double MidiMessage::getMidiNoteInHertz (const int noteNumber, const double frequencyOfA) noexcept

  1025. {

  1026.     return frequencyOfA * pow (2.0, (noteNumber - 69) / 12.0);

  1027. }

  1028. 

  1029. bool MidiMessage::isMidiNoteBlack (int noteNumber) noexcept

  1030. {

  1031.     return ((1 << (noteNumber % 12)) & 0x054a) != 0;

  1032. }

  1033. 

  1034. const char* MidiMessage::getGMInstrumentName (const int n)

  1035. {

  1036.     static const char* names[] =

  1037.     {

  1038.         NEEDS_TRANS("Acoustic Grand Piano"),    NEEDS_TRANS("Bright Acoustic Piano"),   NEEDS_TRANS("Electric Grand Piano"),    NEEDS_TRANS("Honky-tonk Piano"),

  1039.         NEEDS_TRANS("Electric Piano 1"),        NEEDS_TRANS("Electric Piano 2"),        NEEDS_TRANS("Harpsichord"),             NEEDS_TRANS("Clavinet"),

  1040.         NEEDS_TRANS("Celesta"),                 NEEDS_TRANS("Glockenspiel"),            NEEDS_TRANS("Music Box"),               NEEDS_TRANS("Vibraphone"),

  1041.         NEEDS_TRANS("Marimba"),                 NEEDS_TRANS("Xylophone"),               NEEDS_TRANS("Tubular Bells"),           NEEDS_TRANS("Dulcimer"),

  1042.         NEEDS_TRANS("Drawbar Organ"),           NEEDS_TRANS("Percussive Organ"),        NEEDS_TRANS("Rock Organ"),              NEEDS_TRANS("Church Organ"),

  1043.         NEEDS_TRANS("Reed Organ"),              NEEDS_TRANS("Accordion"),               NEEDS_TRANS("Harmonica"),               NEEDS_TRANS("Tango Accordion"),

  1044.         NEEDS_TRANS("Acoustic Guitar (nylon)"), NEEDS_TRANS("Acoustic Guitar (steel)"), NEEDS_TRANS("Electric Guitar (jazz)"),  NEEDS_TRANS("Electric Guitar (clean)"),

  1045.         NEEDS_TRANS("Electric Guitar (mute)"),  NEEDS_TRANS("Overdriven Guitar"),       NEEDS_TRANS("Distortion Guitar"),       NEEDS_TRANS("Guitar Harmonics"),

  1046.         NEEDS_TRANS("Acoustic Bass"),           NEEDS_TRANS("Electric Bass (finger)"),  NEEDS_TRANS("Electric Bass (pick)"),    NEEDS_TRANS("Fretless Bass"),

  1047.         NEEDS_TRANS("Slap Bass 1"),             NEEDS_TRANS("Slap Bass 2"),             NEEDS_TRANS("Synth Bass 1"),            NEEDS_TRANS("Synth Bass 2"),

  1048.         NEEDS_TRANS("Violin"),                  NEEDS_TRANS("Viola"),                   NEEDS_TRANS("Cello"),                   NEEDS_TRANS("Contrabass"),

  1049.         NEEDS_TRANS("Tremolo Strings"),         NEEDS_TRANS("Pizzicato Strings"),       NEEDS_TRANS("Orchestral Harp"),         NEEDS_TRANS("Timpani"),

  1050.         NEEDS_TRANS("String Ensemble 1"),       NEEDS_TRANS("String Ensemble 2"),       NEEDS_TRANS("SynthStrings 1"),          NEEDS_TRANS("SynthStrings 2"),

  1051.         NEEDS_TRANS("Choir Aahs"),              NEEDS_TRANS("Voice Oohs"),              NEEDS_TRANS("Synth Voice"),             NEEDS_TRANS("Orchestra Hit"),

  1052.         NEEDS_TRANS("Trumpet"),                 NEEDS_TRANS("Trombone"),                NEEDS_TRANS("Tuba"),                    NEEDS_TRANS("Muted Trumpet"),

  1053.         NEEDS_TRANS("French Horn"),             NEEDS_TRANS("Brass Section"),           NEEDS_TRANS("SynthBrass 1"),            NEEDS_TRANS("SynthBrass 2"),

  1054.         NEEDS_TRANS("Soprano Sax"),             NEEDS_TRANS("Alto Sax"),                NEEDS_TRANS("Tenor Sax"),               NEEDS_TRANS("Baritone Sax"),

  1055.         NEEDS_TRANS("Oboe"),                    NEEDS_TRANS("English Horn"),            NEEDS_TRANS("Bassoon"),                 NEEDS_TRANS("Clarinet"),

  1056.         NEEDS_TRANS("Piccolo"),                 NEEDS_TRANS("Flute"),                   NEEDS_TRANS("Recorder"),                NEEDS_TRANS("Pan Flute"),

  1057.         NEEDS_TRANS("Blown Bottle"),            NEEDS_TRANS("Shakuhachi"),              NEEDS_TRANS("Whistle"),                 NEEDS_TRANS("Ocarina"),

  1058.         NEEDS_TRANS("Lead 1 (square)"),         NEEDS_TRANS("Lead 2 (sawtooth)"),       NEEDS_TRANS("Lead 3 (calliope)"),       NEEDS_TRANS("Lead 4 (chiff)"),

  1059.         NEEDS_TRANS("Lead 5 (charang)"),        NEEDS_TRANS("Lead 6 (voice)"),          NEEDS_TRANS("Lead 7 (fifths)"),         NEEDS_TRANS("Lead 8 (bass+lead)"),

  1060.         NEEDS_TRANS("Pad 1 (new age)"),         NEEDS_TRANS("Pad 2 (warm)"),            NEEDS_TRANS("Pad 3 (polysynth)"),       NEEDS_TRANS("Pad 4 (choir)"),

  1061.         NEEDS_TRANS("Pad 5 (bowed)"),           NEEDS_TRANS("Pad 6 (metallic)"),        NEEDS_TRANS("Pad 7 (halo)"),            NEEDS_TRANS("Pad 8 (sweep)"),

  1062.         NEEDS_TRANS("FX 1 (rain)"),             NEEDS_TRANS("FX 2 (soundtrack)"),       NEEDS_TRANS("FX 3 (crystal)"),          NEEDS_TRANS("FX 4 (atmosphere)"),

  1063.         NEEDS_TRANS("FX 5 (brightness)"),       NEEDS_TRANS("FX 6 (goblins)"),          NEEDS_TRANS("FX 7 (echoes)"),           NEEDS_TRANS("FX 8 (sci-fi)"),

  1064.         NEEDS_TRANS("Sitar"),                   NEEDS_TRANS("Banjo"),                   NEEDS_TRANS("Shamisen"),                NEEDS_TRANS("Koto"),

  1065.         NEEDS_TRANS("Kalimba"),                 NEEDS_TRANS("Bag pipe"),                NEEDS_TRANS("Fiddle"),                  NEEDS_TRANS("Shanai"),

  1066.         NEEDS_TRANS("Tinkle Bell"),             NEEDS_TRANS("Agogo"),                   NEEDS_TRANS("Steel Drums"),             NEEDS_TRANS("Woodblock"),

  1067.         NEEDS_TRANS("Taiko Drum"),              NEEDS_TRANS("Melodic Tom"),             NEEDS_TRANS("Synth Drum"),              NEEDS_TRANS("Reverse Cymbal"),

  1068.         NEEDS_TRANS("Guitar Fret Noise"),       NEEDS_TRANS("Breath Noise"),            NEEDS_TRANS("Seashore"),                NEEDS_TRANS("Bird Tweet"),

  1069.         NEEDS_TRANS("Telephone Ring"),          NEEDS_TRANS("Helicopter"),              NEEDS_TRANS("Applause"),                NEEDS_TRANS("Gunshot")

  1070.     };

  1071. 

  1072.     return isPositiveAndBelow (n, numElementsInArray (names)) ? names[n] : nullptr;

  1073. }

  1074. 

  1075. const char* MidiMessage::getGMInstrumentBankName (const int n)

  1076. {

  1077.     static const char* names[] =

  1078.     {

  1079.         NEEDS_TRANS("Piano"),           NEEDS_TRANS("Chromatic Percussion"),    NEEDS_TRANS("Organ"),       NEEDS_TRANS("Guitar"),

  1080.         NEEDS_TRANS("Bass"),            NEEDS_TRANS("Strings"),                 NEEDS_TRANS("Ensemble"),    NEEDS_TRANS("Brass"),

  1081.         NEEDS_TRANS("Reed"),            NEEDS_TRANS("Pipe"),                    NEEDS_TRANS("Synth Lead"),  NEEDS_TRANS("Synth Pad"),

  1082.         NEEDS_TRANS("Synth Effects"),   NEEDS_TRANS("Ethnic"),                  NEEDS_TRANS("Percussive"),  NEEDS_TRANS("Sound Effects")

  1083.     };

  1084. 

  1085.     return isPositiveAndBelow (n, numElementsInArray (names)) ? names[n] : nullptr;

  1086. }

  1087. 

  1088. const char* MidiMessage::getRhythmInstrumentName (const int n)

  1089. {

  1090.     static const char* names[] =

  1091.     {

  1092.         NEEDS_TRANS("Acoustic Bass Drum"),  NEEDS_TRANS("Bass Drum 1"),     NEEDS_TRANS("Side Stick"),      NEEDS_TRANS("Acoustic Snare"),

  1093.         NEEDS_TRANS("Hand Clap"),           NEEDS_TRANS("Electric Snare"),  NEEDS_TRANS("Low Floor Tom"),   NEEDS_TRANS("Closed Hi-Hat"),

  1094.         NEEDS_TRANS("High Floor Tom"),      NEEDS_TRANS("Pedal Hi-Hat"),    NEEDS_TRANS("Low Tom"),         NEEDS_TRANS("Open Hi-Hat"),

  1095.         NEEDS_TRANS("Low-Mid Tom"),         NEEDS_TRANS("Hi-Mid Tom"),      NEEDS_TRANS("Crash Cymbal 1"),  NEEDS_TRANS("High Tom"),

  1096.         NEEDS_TRANS("Ride Cymbal 1"),       NEEDS_TRANS("Chinese Cymbal"),  NEEDS_TRANS("Ride Bell"),       NEEDS_TRANS("Tambourine"),

  1097.         NEEDS_TRANS("Splash Cymbal"),       NEEDS_TRANS("Cowbell"),         NEEDS_TRANS("Crash Cymbal 2"),  NEEDS_TRANS("Vibraslap"),

  1098.         NEEDS_TRANS("Ride Cymbal 2"),       NEEDS_TRANS("Hi Bongo"),        NEEDS_TRANS("Low Bongo"),       NEEDS_TRANS("Mute Hi Conga"),

  1099.         NEEDS_TRANS("Open Hi Conga"),       NEEDS_TRANS("Low Conga"),       NEEDS_TRANS("High Timbale"),    NEEDS_TRANS("Low Timbale"),

  1100.         NEEDS_TRANS("High Agogo"),          NEEDS_TRANS("Low Agogo"),       NEEDS_TRANS("Cabasa"),          NEEDS_TRANS("Maracas"),

  1101.         NEEDS_TRANS("Short Whistle"),       NEEDS_TRANS("Long Whistle"),    NEEDS_TRANS("Short Guiro"),     NEEDS_TRANS("Long Guiro"),

  1102.         NEEDS_TRANS("Claves"),              NEEDS_TRANS("Hi Wood Block"),   NEEDS_TRANS("Low Wood Block"),  NEEDS_TRANS("Mute Cuica"),

  1103.         NEEDS_TRANS("Open Cuica"),          NEEDS_TRANS("Mute Triangle"),   NEEDS_TRANS("Open Triangle")

  1104.     };

  1105. 

  1106.     return (n >= 35 && n <= 81) ? names [n - 35] : nullptr;

  1107. }

  1108. 

  1109. const char* MidiMessage::getControllerName (const int n)

  1110. {

  1111.     static const char* names[] =

  1112.     {

  1113.         NEEDS_TRANS("Bank Select"), NEEDS_TRANS("Modulation Wheel (coarse)"), NEEDS_TRANS("Breath controller (coarse)"),

  1114.         nullptr,

  1115.         NEEDS_TRANS("Foot Pedal (coarse)"), NEEDS_TRANS("Portamento Time (coarse)"), NEEDS_TRANS("Data Entry (coarse)"),

  1116.         NEEDS_TRANS("Volume (coarse)"), NEEDS_TRANS("Balance (coarse)"),

  1117.         nullptr,

  1118.         NEEDS_TRANS("Pan position (coarse)"), NEEDS_TRANS("Expression (coarse)"), NEEDS_TRANS("Effect Control 1 (coarse)"),

  1119.         NEEDS_TRANS("Effect Control 2 (coarse)"),

  1120.         nullptr, nullptr,

  1121.         NEEDS_TRANS("General Purpose Slider 1"), NEEDS_TRANS("General Purpose Slider 2"),

  1122.         NEEDS_TRANS("General Purpose Slider 3"), NEEDS_TRANS("General Purpose Slider 4"),

  1123.         nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,

  1124.         NEEDS_TRANS("Bank Select (fine)"), NEEDS_TRANS("Modulation Wheel (fine)"), NEEDS_TRANS("Breath controller (fine)"),

  1125.         nullptr,

  1126.         NEEDS_TRANS("Foot Pedal (fine)"), NEEDS_TRANS("Portamento Time (fine)"), NEEDS_TRANS("Data Entry (fine)"), NEEDS_TRANS("Volume (fine)"),

  1127.         NEEDS_TRANS("Balance (fine)"), nullptr, NEEDS_TRANS("Pan position (fine)"), NEEDS_TRANS("Expression (fine)"),

  1128.         NEEDS_TRANS("Effect Control 1 (fine)"), NEEDS_TRANS("Effect Control 2 (fine)"),

  1129.         nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,

  1130.         nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,

  1131.         NEEDS_TRANS("Hold Pedal (on/off)"), NEEDS_TRANS("Portamento (on/off)"), NEEDS_TRANS("Sustenuto Pedal (on/off)"), NEEDS_TRANS("Soft Pedal (on/off)"),

  1132.         NEEDS_TRANS("Legato Pedal (on/off)"), NEEDS_TRANS("Hold 2 Pedal (on/off)"), NEEDS_TRANS("Sound Variation"), NEEDS_TRANS("Sound Timbre"),

  1133.         NEEDS_TRANS("Sound Release Time"), NEEDS_TRANS("Sound Attack Time"), NEEDS_TRANS("Sound Brightness"), NEEDS_TRANS("Sound Control 6"),

  1134.         NEEDS_TRANS("Sound Control 7"), NEEDS_TRANS("Sound Control 8"), NEEDS_TRANS("Sound Control 9"), NEEDS_TRANS("Sound Control 10"),

  1135.         NEEDS_TRANS("General Purpose Button 1 (on/off)"), NEEDS_TRANS("General Purpose Button 2 (on/off)"),

  1136.         NEEDS_TRANS("General Purpose Button 3 (on/off)"), NEEDS_TRANS("General Purpose Button 4 (on/off)"),

  1137.         nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,

  1138.         NEEDS_TRANS("Reverb Level"), NEEDS_TRANS("Tremolo Level"), NEEDS_TRANS("Chorus Level"), NEEDS_TRANS("Celeste Level"),

  1139.         NEEDS_TRANS("Phaser Level"), NEEDS_TRANS("Data Button increment"), NEEDS_TRANS("Data Button decrement"), NEEDS_TRANS("Non-registered Parameter (fine)"),

  1140.         NEEDS_TRANS("Non-registered Parameter (coarse)"), NEEDS_TRANS("Registered Parameter (fine)"), NEEDS_TRANS("Registered Parameter (coarse)"),

  1141.         nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,

  1142.         nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr, nullptr,

  1143.         NEEDS_TRANS("All Sound Off"), NEEDS_TRANS("All Controllers Off"), NEEDS_TRANS("Local Keyboard (on/off)"), NEEDS_TRANS("All Notes Off"),

  1144.         NEEDS_TRANS("Omni Mode Off"), NEEDS_TRANS("Omni Mode On"), NEEDS_TRANS("Mono Operation"), NEEDS_TRANS("Poly Operation")

  1145.     };

  1146. 

  1147.     return isPositiveAndBelow (n, numElementsInArray (names)) ? names[n] : nullptr;

  1148. }