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1036 lines
34 KiB
1036 lines
34 KiB
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2013 - Raw Material Software Ltd.
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Permission is granted to use this software under the terms of either:
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a) the GPL v2 (or any later version)
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b) the Affero GPL v3
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Details of these licenses can be found at: www.gnu.org/licenses
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.juce.com for more information.
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==============================================================================
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*/
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namespace MidiHelpers
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{
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inline uint8 initialByte (const int type, const int channel) noexcept
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{
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return (uint8) (type | jlimit (0, 15, channel - 1));
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}
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inline uint8 validVelocity (const int v) noexcept
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{
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return (uint8) jlimit (0, 127, v);
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}
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}
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//==============================================================================
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int MidiMessage::readVariableLengthVal (const uint8* data, int& numBytesUsed) noexcept
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{
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numBytesUsed = 0;
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int v = 0, i;
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do
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{
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i = (int) *data++;
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if (++numBytesUsed > 6)
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break;
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v = (v << 7) + (i & 0x7f);
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} while (i & 0x80);
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return v;
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}
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int MidiMessage::getMessageLengthFromFirstByte (const uint8 firstByte) noexcept
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{
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// this method only works for valid starting bytes of a short midi message
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jassert (firstByte >= 0x80 && firstByte != 0xf0 && firstByte != 0xf7);
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static const char messageLengths[] =
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{
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
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1, 2, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1
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};
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return messageLengths [firstByte & 0x7f];
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}
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//==============================================================================
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MidiMessage::MidiMessage() noexcept
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: timeStamp (0), size (2)
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{
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preallocatedData.asBytes[0] = 0xf0;
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preallocatedData.asBytes[1] = 0xf7;
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}
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MidiMessage::MidiMessage (const void* const d, const int dataSize, const double t)
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: timeStamp (t),
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size (dataSize)
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{
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jassert (dataSize > 0);
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memcpy (allocateSpace (dataSize), d, (size_t) dataSize);
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// check that the length matches the data..
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jassert (size > 3 || *(uint8*)d >= 0xf0 || getMessageLengthFromFirstByte (*(uint8*)d) == size);
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}
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MidiMessage::MidiMessage (const int byte1, const double t) noexcept
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: timeStamp (t), size (1)
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{
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preallocatedData.asBytes[0] = (uint8) byte1;
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// check that the length matches the data..
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jassert (byte1 >= 0xf0 || getMessageLengthFromFirstByte ((uint8) byte1) == 1);
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}
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MidiMessage::MidiMessage (const int byte1, const int byte2, const double t) noexcept
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: timeStamp (t), size (2)
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{
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preallocatedData.asBytes[0] = (uint8) byte1;
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preallocatedData.asBytes[1] = (uint8) byte2;
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// check that the length matches the data..
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jassert (byte1 >= 0xf0 || getMessageLengthFromFirstByte ((uint8) byte1) == 2);
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}
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MidiMessage::MidiMessage (const int byte1, const int byte2, const int byte3, const double t) noexcept
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: timeStamp (t), size (3)
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{
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preallocatedData.asBytes[0] = (uint8) byte1;
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preallocatedData.asBytes[1] = (uint8) byte2;
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preallocatedData.asBytes[2] = (uint8) byte3;
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// check that the length matches the data..
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jassert (byte1 >= 0xf0 || getMessageLengthFromFirstByte ((uint8) byte1) == 3);
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}
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MidiMessage::MidiMessage (const MidiMessage& other)
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: timeStamp (other.timeStamp), size (other.size)
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{
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if (other.allocatedData != nullptr)
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{
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allocatedData.malloc (size);
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memcpy (allocatedData, other.allocatedData, (size_t) size);
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}
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else
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{
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preallocatedData.asInt32 = other.preallocatedData.asInt32;
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}
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}
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MidiMessage::MidiMessage (const MidiMessage& other, const double newTimeStamp)
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: timeStamp (newTimeStamp), size (other.size)
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{
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if (other.allocatedData != nullptr)
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{
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allocatedData.malloc (size);
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memcpy (allocatedData, other.allocatedData, (size_t) size);
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}
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else
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{
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preallocatedData.asInt32 = other.preallocatedData.asInt32;
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}
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}
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MidiMessage::MidiMessage (const void* srcData, int sz, int& numBytesUsed, const uint8 lastStatusByte, double t)
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: timeStamp (t)
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{
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const uint8* src = static_cast <const uint8*> (srcData);
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unsigned int byte = (unsigned int) *src;
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if (byte < 0x80)
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{
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byte = (unsigned int) (uint8) lastStatusByte;
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numBytesUsed = -1;
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}
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else
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{
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numBytesUsed = 0;
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--sz;
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++src;
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}
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if (byte >= 0x80)
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{
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if (byte == 0xf0)
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{
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const uint8* d = src;
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bool haveReadAllLengthBytes = false;
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int numVariableLengthSysexBytes = 0;
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while (d < src + sz)
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{
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if (*d >= 0x80)
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{
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if (*d == 0xf7)
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{
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++d; // include the trailing 0xf7 when we hit it
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break;
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}
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if (haveReadAllLengthBytes) // if we see a 0x80 bit set after the initial data length
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break; // bytes, assume it's the end of the sysex
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++numVariableLengthSysexBytes;
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}
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else if (! haveReadAllLengthBytes)
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{
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haveReadAllLengthBytes = true;
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++numVariableLengthSysexBytes;
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}
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++d;
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}
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src += numVariableLengthSysexBytes;
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size = 1 + (int) (d - src);
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uint8* dest = allocateSpace (size);
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*dest = (uint8) byte;
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memcpy (dest + 1, src, (size_t) (size - 1));
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numBytesUsed += numVariableLengthSysexBytes; // (these aren't counted in the size)
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}
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else if (byte == 0xff)
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{
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int n;
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const int bytesLeft = readVariableLengthVal (src + 1, n);
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size = jmin (sz + 1, n + 2 + bytesLeft);
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uint8* dest = allocateSpace (size);
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*dest = (uint8) byte;
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memcpy (dest + 1, src, (size_t) size - 1);
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}
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else
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{
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preallocatedData.asInt32 = 0;
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size = getMessageLengthFromFirstByte ((uint8) byte);
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preallocatedData.asBytes[0] = (uint8) byte;
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if (size > 1)
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{
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preallocatedData.asBytes[1] = src[0];
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if (size > 2)
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preallocatedData.asBytes[2] = src[1];
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}
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}
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numBytesUsed += size;
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}
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else
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{
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preallocatedData.asInt32 = 0;
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size = 0;
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}
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}
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MidiMessage& MidiMessage::operator= (const MidiMessage& other)
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{
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if (this != &other)
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{
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timeStamp = other.timeStamp;
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size = other.size;
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if (other.allocatedData != nullptr)
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{
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allocatedData.malloc (size);
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memcpy (allocatedData, other.allocatedData, (size_t) size);
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}
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else
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{
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allocatedData.free();
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preallocatedData.asInt32 = other.preallocatedData.asInt32;
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}
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}
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return *this;
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}
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#if JUCE_COMPILER_SUPPORTS_MOVE_SEMANTICS
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MidiMessage::MidiMessage (MidiMessage&& other) noexcept
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: timeStamp (other.timeStamp), size (other.size)
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{
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if (other.allocatedData != nullptr)
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allocatedData.swapWith (other.allocatedData);
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else
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preallocatedData.asInt32 = other.preallocatedData.asInt32;
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}
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MidiMessage& MidiMessage::operator= (MidiMessage&& other) noexcept
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{
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jassert (this != &other); // shouldn't be possible
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timeStamp = other.timeStamp;
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size = other.size;
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allocatedData.swapWith (other.allocatedData);
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preallocatedData.asInt32 = other.preallocatedData.asInt32;
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return *this;
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}
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#endif
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MidiMessage::~MidiMessage() {}
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uint8* MidiMessage::allocateSpace (int bytes)
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{
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if (bytes > 4)
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{
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allocatedData.malloc (bytes);
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return allocatedData;
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}
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return preallocatedData.asBytes;
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}
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int MidiMessage::getChannel() const noexcept
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{
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const uint8* const data = getRawData();
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if ((data[0] & 0xf0) != 0xf0)
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return (data[0] & 0xf) + 1;
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return 0;
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}
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bool MidiMessage::isForChannel (const int channel) const noexcept
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{
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jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16
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const uint8* const data = getRawData();
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return ((data[0] & 0xf) == channel - 1)
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&& ((data[0] & 0xf0) != 0xf0);
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}
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void MidiMessage::setChannel (const int channel) noexcept
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{
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jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16
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uint8* const data = getData();
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if ((data[0] & 0xf0) != (uint8) 0xf0)
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data[0] = (uint8) ((data[0] & (uint8) 0xf0)
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| (uint8)(channel - 1));
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}
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bool MidiMessage::isNoteOn (const bool returnTrueForVelocity0) const noexcept
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{
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const uint8* const data = getRawData();
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return ((data[0] & 0xf0) == 0x90)
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&& (returnTrueForVelocity0 || data[2] != 0);
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}
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bool MidiMessage::isNoteOff (const bool returnTrueForNoteOnVelocity0) const noexcept
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{
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const uint8* const data = getRawData();
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return ((data[0] & 0xf0) == 0x80)
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|| (returnTrueForNoteOnVelocity0 && (data[2] == 0) && ((data[0] & 0xf0) == 0x90));
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}
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bool MidiMessage::isNoteOnOrOff() const noexcept
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{
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const uint8* const data = getRawData();
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const int d = data[0] & 0xf0;
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return (d == 0x90) || (d == 0x80);
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}
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int MidiMessage::getNoteNumber() const noexcept
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{
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return getRawData()[1];
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}
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void MidiMessage::setNoteNumber (const int newNoteNumber) noexcept
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{
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if (isNoteOnOrOff())
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getData()[1] = (uint8) (newNoteNumber & 127);
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}
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uint8 MidiMessage::getVelocity() const noexcept
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{
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if (isNoteOnOrOff())
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return getRawData()[2];
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return 0;
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}
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float MidiMessage::getFloatVelocity() const noexcept
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{
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return getVelocity() * (1.0f / 127.0f);
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}
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void MidiMessage::setVelocity (const float newVelocity) noexcept
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{
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if (isNoteOnOrOff())
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getData()[2] = MidiHelpers::validVelocity (roundToInt (newVelocity * 127.0f));
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}
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void MidiMessage::multiplyVelocity (const float scaleFactor) noexcept
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{
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if (isNoteOnOrOff())
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{
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uint8* const data = getData();
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data[2] = MidiHelpers::validVelocity (roundToInt (scaleFactor * data[2]));
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}
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}
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bool MidiMessage::isAftertouch() const noexcept
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{
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return (getRawData()[0] & 0xf0) == 0xa0;
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}
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int MidiMessage::getAfterTouchValue() const noexcept
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{
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jassert (isAftertouch());
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return getRawData()[2];
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}
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MidiMessage MidiMessage::aftertouchChange (const int channel,
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const int noteNum,
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const int aftertouchValue) noexcept
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{
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jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16
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jassert (isPositiveAndBelow (noteNum, (int) 128));
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jassert (isPositiveAndBelow (aftertouchValue, (int) 128));
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return MidiMessage (MidiHelpers::initialByte (0xa0, channel),
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noteNum & 0x7f,
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aftertouchValue & 0x7f);
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}
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bool MidiMessage::isChannelPressure() const noexcept
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{
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return (getRawData()[0] & 0xf0) == 0xd0;
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}
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int MidiMessage::getChannelPressureValue() const noexcept
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{
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jassert (isChannelPressure());
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return getRawData()[1];
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}
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MidiMessage MidiMessage::channelPressureChange (const int channel, const int pressure) noexcept
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{
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jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16
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jassert (isPositiveAndBelow (pressure, (int) 128));
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return MidiMessage (MidiHelpers::initialByte (0xd0, channel), pressure & 0x7f);
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}
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bool MidiMessage::isSustainPedalOn() const noexcept { return isControllerOfType (0x40) && getRawData()[2] >= 64; }
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bool MidiMessage::isSustainPedalOff() const noexcept { return isControllerOfType (0x40) && getRawData()[2] < 64; }
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bool MidiMessage::isSostenutoPedalOn() const noexcept { return isControllerOfType (0x42) && getRawData()[2] >= 64; }
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bool MidiMessage::isSostenutoPedalOff() const noexcept { return isControllerOfType (0x42) && getRawData()[2] < 64; }
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bool MidiMessage::isSoftPedalOn() const noexcept { return isControllerOfType (0x43) && getRawData()[2] >= 64; }
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bool MidiMessage::isSoftPedalOff() const noexcept { return isControllerOfType (0x43) && getRawData()[2] < 64; }
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bool MidiMessage::isProgramChange() const noexcept
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{
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return (getRawData()[0] & 0xf0) == 0xc0;
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}
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int MidiMessage::getProgramChangeNumber() const noexcept
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{
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jassert (isProgramChange());
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return getRawData()[1];
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}
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MidiMessage MidiMessage::programChange (const int channel, const int programNumber) noexcept
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{
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jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16
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return MidiMessage (MidiHelpers::initialByte (0xc0, channel), programNumber & 0x7f);
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}
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bool MidiMessage::isPitchWheel() const noexcept
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{
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return (getRawData()[0] & 0xf0) == 0xe0;
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}
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int MidiMessage::getPitchWheelValue() const noexcept
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{
|
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jassert (isPitchWheel());
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const uint8* const data = getRawData();
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return data[1] | (data[2] << 7);
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}
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MidiMessage MidiMessage::pitchWheel (const int channel, const int position) noexcept
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{
|
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jassert (channel > 0 && channel <= 16); // valid channels are numbered 1 to 16
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jassert (isPositiveAndBelow (position, (int) 0x4000));
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return MidiMessage (MidiHelpers::initialByte (0xe0, channel),
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position & 127, (position >> 7) & 127);
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}
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bool MidiMessage::isController() const noexcept
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{
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return (getRawData()[0] & 0xf0) == 0xb0;
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}
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bool MidiMessage::isControllerOfType (const int controllerType) const noexcept
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{
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const uint8* const data = getRawData();
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return (data[0] & 0xf0) == 0xb0 && data[1] == controllerType;
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}
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int MidiMessage::getControllerNumber() const noexcept
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{
|
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jassert (isController());
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return getRawData()[1];
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}
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int MidiMessage::getControllerValue() const noexcept
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{
|
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jassert (isController());
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return getRawData()[2];
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}
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MidiMessage MidiMessage::controllerEvent (const int channel, const int controllerType, const int value) noexcept
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{
|
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// the channel must be between 1 and 16 inclusive
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jassert (channel > 0 && channel <= 16);
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return MidiMessage (MidiHelpers::initialByte (0xb0, channel),
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controllerType & 127, value & 127);
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}
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MidiMessage MidiMessage::noteOn (const int channel, const int noteNumber, const float velocity) noexcept
|
|
{
|
|
return noteOn (channel, noteNumber, (uint8) (velocity * 127.0f + 0.5f));
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}
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|
|
MidiMessage MidiMessage::noteOn (const int channel, const int noteNumber, const uint8 velocity) noexcept
|
|
{
|
|
jassert (channel > 0 && channel <= 16);
|
|
jassert (isPositiveAndBelow (noteNumber, (int) 128));
|
|
|
|
return MidiMessage (MidiHelpers::initialByte (0x90, channel),
|
|
noteNumber & 127, MidiHelpers::validVelocity (velocity));
|
|
}
|
|
|
|
MidiMessage MidiMessage::noteOff (const int channel, const int noteNumber, uint8 velocity) noexcept
|
|
{
|
|
jassert (channel > 0 && channel <= 16);
|
|
jassert (isPositiveAndBelow (noteNumber, (int) 128));
|
|
|
|
return MidiMessage (MidiHelpers::initialByte (0x80, channel),
|
|
noteNumber & 127, MidiHelpers::validVelocity (velocity));
|
|
}
|
|
|
|
MidiMessage MidiMessage::allNotesOff (const int channel) noexcept
|
|
{
|
|
return controllerEvent (channel, 123, 0);
|
|
}
|
|
|
|
bool MidiMessage::isAllNotesOff() const noexcept
|
|
{
|
|
const uint8* const data = getRawData();
|
|
return (data[0] & 0xf0) == 0xb0 && data[1] == 123;
|
|
}
|
|
|
|
MidiMessage MidiMessage::allSoundOff (const int channel) noexcept
|
|
{
|
|
return controllerEvent (channel, 120, 0);
|
|
}
|
|
|
|
bool MidiMessage::isAllSoundOff() const noexcept
|
|
{
|
|
const uint8* const data = getRawData();
|
|
return (data[0] & 0xf0) == 0xb0 && data[1] == 120;
|
|
}
|
|
|
|
MidiMessage MidiMessage::allControllersOff (const int channel) noexcept
|
|
{
|
|
return controllerEvent (channel, 121, 0);
|
|
}
|
|
|
|
MidiMessage MidiMessage::masterVolume (const float volume)
|
|
{
|
|
const int vol = jlimit (0, 0x3fff, roundToInt (volume * 0x4000));
|
|
|
|
const uint8 buf[] = { 0xf0, 0x7f, 0x7f, 0x04, 0x01,
|
|
(uint8) (vol & 0x7f),
|
|
(uint8) (vol >> 7),
|
|
0xf7 };
|
|
|
|
return MidiMessage (buf, 8);
|
|
}
|
|
|
|
//==============================================================================
|
|
bool MidiMessage::isSysEx() const noexcept
|
|
{
|
|
return *getRawData() == 0xf0;
|
|
}
|
|
|
|
MidiMessage MidiMessage::createSysExMessage (const void* sysexData, const int dataSize)
|
|
{
|
|
HeapBlock<uint8> m ((size_t) dataSize + 2);
|
|
|
|
m[0] = 0xf0;
|
|
memcpy (m + 1, sysexData, (size_t) dataSize);
|
|
m[dataSize + 1] = 0xf7;
|
|
|
|
return MidiMessage (m, dataSize + 2);
|
|
}
|
|
|
|
const uint8* MidiMessage::getSysExData() const noexcept
|
|
{
|
|
return isSysEx() ? getRawData() + 1 : nullptr;
|
|
}
|
|
|
|
int MidiMessage::getSysExDataSize() const noexcept
|
|
{
|
|
return isSysEx() ? size - 2 : 0;
|
|
}
|
|
|
|
//==============================================================================
|
|
bool MidiMessage::isMetaEvent() const noexcept { return *getRawData() == 0xff; }
|
|
bool MidiMessage::isActiveSense() const noexcept { return *getRawData() == 0xfe; }
|
|
|
|
int MidiMessage::getMetaEventType() const noexcept
|
|
{
|
|
const uint8* const data = getRawData();
|
|
return *data != 0xff ? -1 : data[1];
|
|
}
|
|
|
|
int MidiMessage::getMetaEventLength() const noexcept
|
|
{
|
|
const uint8* const data = getRawData();
|
|
if (*data == 0xff)
|
|
{
|
|
int n;
|
|
return jmin (size - 2, readVariableLengthVal (data + 2, n));
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const uint8* MidiMessage::getMetaEventData() const noexcept
|
|
{
|
|
jassert (isMetaEvent());
|
|
|
|
int n;
|
|
const uint8* d = getRawData() + 2;
|
|
readVariableLengthVal (d, n);
|
|
return d + n;
|
|
}
|
|
|
|
bool MidiMessage::isTrackMetaEvent() const noexcept { return getMetaEventType() == 0; }
|
|
bool MidiMessage::isEndOfTrackMetaEvent() const noexcept { return getMetaEventType() == 47; }
|
|
|
|
bool MidiMessage::isTextMetaEvent() const noexcept
|
|
{
|
|
const int t = getMetaEventType();
|
|
return t > 0 && t < 16;
|
|
}
|
|
|
|
String MidiMessage::getTextFromTextMetaEvent() const
|
|
{
|
|
const char* const textData = reinterpret_cast <const char*> (getMetaEventData());
|
|
return String (CharPointer_UTF8 (textData),
|
|
CharPointer_UTF8 (textData + getMetaEventLength()));
|
|
}
|
|
|
|
bool MidiMessage::isTrackNameEvent() const noexcept { const uint8* data = getRawData(); return (data[1] == 3) && (*data == 0xff); }
|
|
bool MidiMessage::isTempoMetaEvent() const noexcept { const uint8* data = getRawData(); return (data[1] == 81) && (*data == 0xff); }
|
|
bool MidiMessage::isMidiChannelMetaEvent() const noexcept { const uint8* data = getRawData(); return (data[1] == 0x20) && (*data == 0xff) && (data[2] == 1); }
|
|
|
|
int MidiMessage::getMidiChannelMetaEventChannel() const noexcept
|
|
{
|
|
jassert (isMidiChannelMetaEvent());
|
|
return getRawData()[3] + 1;
|
|
}
|
|
|
|
double MidiMessage::getTempoSecondsPerQuarterNote() const noexcept
|
|
{
|
|
if (! isTempoMetaEvent())
|
|
return 0.0;
|
|
|
|
const uint8* const d = getMetaEventData();
|
|
|
|
return (((unsigned int) d[0] << 16)
|
|
| ((unsigned int) d[1] << 8)
|
|
| d[2])
|
|
/ 1000000.0;
|
|
}
|
|
|
|
double MidiMessage::getTempoMetaEventTickLength (const short timeFormat) const noexcept
|
|
{
|
|
if (timeFormat > 0)
|
|
{
|
|
if (! isTempoMetaEvent())
|
|
return 0.5 / timeFormat;
|
|
|
|
return getTempoSecondsPerQuarterNote() / timeFormat;
|
|
}
|
|
else
|
|
{
|
|
const int frameCode = (-timeFormat) >> 8;
|
|
double framesPerSecond;
|
|
|
|
switch (frameCode)
|
|
{
|
|
case 24: framesPerSecond = 24.0; break;
|
|
case 25: framesPerSecond = 25.0; break;
|
|
case 29: framesPerSecond = 29.97; break;
|
|
case 30: framesPerSecond = 30.0; break;
|
|
default: framesPerSecond = 30.0; break;
|
|
}
|
|
|
|
return (1.0 / framesPerSecond) / (timeFormat & 0xff);
|
|
}
|
|
}
|
|
|
|
MidiMessage MidiMessage::tempoMetaEvent (int microsecondsPerQuarterNote) noexcept
|
|
{
|
|
const uint8 d[] = { 0xff, 81, 3,
|
|
(uint8) (microsecondsPerQuarterNote >> 16),
|
|
(uint8) (microsecondsPerQuarterNote >> 8),
|
|
(uint8) microsecondsPerQuarterNote };
|
|
|
|
return MidiMessage (d, 6, 0.0);
|
|
}
|
|
|
|
bool MidiMessage::isTimeSignatureMetaEvent() const noexcept
|
|
{
|
|
const uint8* const data = getRawData();
|
|
return (data[1] == 0x58) && (*data == (uint8) 0xff);
|
|
}
|
|
|
|
void MidiMessage::getTimeSignatureInfo (int& numerator, int& denominator) const noexcept
|
|
{
|
|
if (isTimeSignatureMetaEvent())
|
|
{
|
|
const uint8* const d = getMetaEventData();
|
|
numerator = d[0];
|
|
denominator = 1 << d[1];
|
|
}
|
|
else
|
|
{
|
|
numerator = 4;
|
|
denominator = 4;
|
|
}
|
|
}
|
|
|
|
MidiMessage MidiMessage::timeSignatureMetaEvent (const int numerator, const int denominator)
|
|
{
|
|
int n = 1;
|
|
int powerOfTwo = 0;
|
|
|
|
while (n < denominator)
|
|
{
|
|
n <<= 1;
|
|
++powerOfTwo;
|
|
}
|
|
|
|
const uint8 d[] = { 0xff, 0x58, 0x04, (uint8) numerator, (uint8) powerOfTwo, 1, 96 };
|
|
return MidiMessage (d, 7, 0.0);
|
|
}
|
|
|
|
MidiMessage MidiMessage::midiChannelMetaEvent (const int channel) noexcept
|
|
{
|
|
const uint8 d[] = { 0xff, 0x20, 0x01, (uint8) jlimit (0, 0xff, channel - 1) };
|
|
return MidiMessage (d, 4, 0.0);
|
|
}
|
|
|
|
bool MidiMessage::isKeySignatureMetaEvent() const noexcept
|
|
{
|
|
return getMetaEventType() == 0x59;
|
|
}
|
|
|
|
int MidiMessage::getKeySignatureNumberOfSharpsOrFlats() const noexcept
|
|
{
|
|
return (int) getMetaEventData()[0];
|
|
}
|
|
|
|
bool MidiMessage::isKeySignatureMajorKey() const noexcept
|
|
{
|
|
return getMetaEventData()[1] == 0;
|
|
}
|
|
|
|
MidiMessage MidiMessage::keySignatureMetaEvent (int numberOfSharpsOrFlats, bool isMinorKey)
|
|
{
|
|
jassert (numberOfSharpsOrFlats >= -7 && numberOfSharpsOrFlats <= 7);
|
|
|
|
const uint8 d[] = { 0xff, 0x59, 0x02, (uint8) numberOfSharpsOrFlats, isMinorKey ? (uint8) 1 : (uint8) 0 };
|
|
return MidiMessage (d, 5, 0.0);
|
|
}
|
|
|
|
MidiMessage MidiMessage::endOfTrack() noexcept
|
|
{
|
|
return MidiMessage (0xff, 0x2f, 0, 0.0);
|
|
}
|
|
|
|
//==============================================================================
|
|
bool MidiMessage::isSongPositionPointer() const noexcept { return *getRawData() == 0xf2; }
|
|
int MidiMessage::getSongPositionPointerMidiBeat() const noexcept { const uint8* data = getRawData(); return data[1] | (data[2] << 7); }
|
|
|
|
MidiMessage MidiMessage::songPositionPointer (const int positionInMidiBeats) noexcept
|
|
{
|
|
return MidiMessage (0xf2,
|
|
positionInMidiBeats & 127,
|
|
(positionInMidiBeats >> 7) & 127);
|
|
}
|
|
|
|
bool MidiMessage::isMidiStart() const noexcept { return *getRawData() == 0xfa; }
|
|
MidiMessage MidiMessage::midiStart() noexcept { return MidiMessage (0xfa); }
|
|
|
|
bool MidiMessage::isMidiContinue() const noexcept { return *getRawData() == 0xfb; }
|
|
MidiMessage MidiMessage::midiContinue() noexcept { return MidiMessage (0xfb); }
|
|
|
|
bool MidiMessage::isMidiStop() const noexcept { return *getRawData() == 0xfc; }
|
|
MidiMessage MidiMessage::midiStop() noexcept { return MidiMessage (0xfc); }
|
|
|
|
bool MidiMessage::isMidiClock() const noexcept { return *getRawData() == 0xf8; }
|
|
MidiMessage MidiMessage::midiClock() noexcept { return MidiMessage (0xf8); }
|
|
|
|
bool MidiMessage::isQuarterFrame() const noexcept { return *getRawData() == 0xf1; }
|
|
int MidiMessage::getQuarterFrameSequenceNumber() const noexcept { return ((int) getRawData()[1]) >> 4; }
|
|
int MidiMessage::getQuarterFrameValue() const noexcept { return ((int) getRawData()[1]) & 0x0f; }
|
|
|
|
MidiMessage MidiMessage::quarterFrame (const int sequenceNumber, const int value) noexcept
|
|
{
|
|
return MidiMessage (0xf1, (sequenceNumber << 4) | value);
|
|
}
|
|
|
|
bool MidiMessage::isFullFrame() const noexcept
|
|
{
|
|
const uint8* const data = getRawData();
|
|
|
|
return data[0] == 0xf0
|
|
&& data[1] == 0x7f
|
|
&& size >= 10
|
|
&& data[3] == 0x01
|
|
&& data[4] == 0x01;
|
|
}
|
|
|
|
void MidiMessage::getFullFrameParameters (int& hours, int& minutes, int& seconds, int& frames,
|
|
MidiMessage::SmpteTimecodeType& timecodeType) const noexcept
|
|
{
|
|
jassert (isFullFrame());
|
|
|
|
const uint8* const data = getRawData();
|
|
timecodeType = (SmpteTimecodeType) (data[5] >> 5);
|
|
hours = data[5] & 0x1f;
|
|
minutes = data[6];
|
|
seconds = data[7];
|
|
frames = data[8];
|
|
}
|
|
|
|
MidiMessage MidiMessage::fullFrame (const int hours, const int minutes,
|
|
const int seconds, const int frames,
|
|
MidiMessage::SmpteTimecodeType timecodeType)
|
|
{
|
|
const uint8 d[] = { 0xf0, 0x7f, 0x7f, 0x01, 0x01,
|
|
(uint8) ((hours & 0x01f) | (timecodeType << 5)),
|
|
(uint8) minutes,
|
|
(uint8) seconds,
|
|
(uint8) frames,
|
|
0xf7 };
|
|
|
|
return MidiMessage (d, 10, 0.0);
|
|
}
|
|
|
|
bool MidiMessage::isMidiMachineControlMessage() const noexcept
|
|
{
|
|
const uint8* const data = getRawData();
|
|
return data[0] == 0xf0
|
|
&& data[1] == 0x7f
|
|
&& data[3] == 0x06
|
|
&& size > 5;
|
|
}
|
|
|
|
MidiMessage::MidiMachineControlCommand MidiMessage::getMidiMachineControlCommand() const noexcept
|
|
{
|
|
jassert (isMidiMachineControlMessage());
|
|
|
|
return (MidiMachineControlCommand) getRawData()[4];
|
|
}
|
|
|
|
MidiMessage MidiMessage::midiMachineControlCommand (MidiMessage::MidiMachineControlCommand command)
|
|
{
|
|
const uint8 d[] = { 0xf0, 0x7f, 0, 6, (uint8) command, 0xf7 };
|
|
|
|
return MidiMessage (d, 6, 0.0);
|
|
}
|
|
|
|
//==============================================================================
|
|
bool MidiMessage::isMidiMachineControlGoto (int& hours, int& minutes, int& seconds, int& frames) const noexcept
|
|
{
|
|
const uint8* const data = getRawData();
|
|
if (size >= 12
|
|
&& data[0] == 0xf0
|
|
&& data[1] == 0x7f
|
|
&& data[3] == 0x06
|
|
&& data[4] == 0x44
|
|
&& data[5] == 0x06
|
|
&& data[6] == 0x01)
|
|
{
|
|
hours = data[7] % 24; // (that some machines send out hours > 24)
|
|
minutes = data[8];
|
|
seconds = data[9];
|
|
frames = data[10];
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
MidiMessage MidiMessage::midiMachineControlGoto (int hours, int minutes, int seconds, int frames)
|
|
{
|
|
const uint8 d[] = { 0xf0, 0x7f, 0, 6, 0x44, 6, 1,
|
|
(uint8) hours,
|
|
(uint8) minutes,
|
|
(uint8) seconds,
|
|
(uint8) frames,
|
|
0xf7 };
|
|
|
|
return MidiMessage (d, 12, 0.0);
|
|
}
|
|
|
|
//==============================================================================
|
|
String MidiMessage::getMidiNoteName (int note, bool useSharps, bool includeOctaveNumber, int octaveNumForMiddleC)
|
|
{
|
|
static const char* const sharpNoteNames[] = { "C", "C#", "D", "D#", "E", "F", "F#", "G", "G#", "A", "A#", "B" };
|
|
static const char* const flatNoteNames[] = { "C", "Db", "D", "Eb", "E", "F", "Gb", "G", "Ab", "A", "Bb", "B" };
|
|
|
|
if (isPositiveAndBelow (note, (int) 128))
|
|
{
|
|
String s (useSharps ? sharpNoteNames [note % 12]
|
|
: flatNoteNames [note % 12]);
|
|
|
|
if (includeOctaveNumber)
|
|
s << (note / 12 + (octaveNumForMiddleC - 5));
|
|
|
|
return s;
|
|
}
|
|
|
|
return String::empty;
|
|
}
|
|
|
|
double MidiMessage::getMidiNoteInHertz (int noteNumber, const double frequencyOfA) noexcept
|
|
{
|
|
return frequencyOfA * pow (2.0, (noteNumber - 69) / 12.0);
|
|
}
|
|
|
|
const char* MidiMessage::getGMInstrumentName (const int n)
|
|
{
|
|
static const char* names[] =
|
|
{
|
|
"Acoustic Grand Piano", "Bright Acoustic Piano", "Electric Grand Piano", "Honky-tonk Piano",
|
|
"Electric Piano 1", "Electric Piano 2", "Harpsichord", "Clavinet", "Celesta", "Glockenspiel",
|
|
"Music Box", "Vibraphone", "Marimba", "Xylophone", "Tubular Bells", "Dulcimer", "Drawbar Organ",
|
|
"Percussive Organ", "Rock Organ", "Church Organ", "Reed Organ", "Accordion", "Harmonica",
|
|
"Tango Accordion", "Acoustic Guitar (nylon)", "Acoustic Guitar (steel)", "Electric Guitar (jazz)",
|
|
"Electric Guitar (clean)", "Electric Guitar (mute)", "Overdriven Guitar", "Distortion Guitar",
|
|
"Guitar Harmonics", "Acoustic Bass", "Electric Bass (finger)", "Electric Bass (pick)",
|
|
"Fretless Bass", "Slap Bass 1", "Slap Bass 2", "Synth Bass 1", "Synth Bass 2", "Violin",
|
|
"Viola", "Cello", "Contrabass", "Tremolo Strings", "Pizzicato Strings", "Orchestral Harp",
|
|
"Timpani", "String Ensemble 1", "String Ensemble 2", "SynthStrings 1", "SynthStrings 2",
|
|
"Choir Aahs", "Voice Oohs", "Synth Voice", "Orchestra Hit", "Trumpet", "Trombone", "Tuba",
|
|
"Muted Trumpet", "French Horn", "Brass Section", "SynthBrass 1", "SynthBrass 2", "Soprano Sax",
|
|
"Alto Sax", "Tenor Sax", "Baritone Sax", "Oboe", "English Horn", "Bassoon", "Clarinet",
|
|
"Piccolo", "Flute", "Recorder", "Pan Flute", "Blown Bottle", "Shakuhachi", "Whistle",
|
|
"Ocarina", "Lead 1 (square)", "Lead 2 (sawtooth)", "Lead 3 (calliope)", "Lead 4 (chiff)",
|
|
"Lead 5 (charang)", "Lead 6 (voice)", "Lead 7 (fifths)", "Lead 8 (bass+lead)", "Pad 1 (new age)",
|
|
"Pad 2 (warm)", "Pad 3 (polysynth)", "Pad 4 (choir)", "Pad 5 (bowed)", "Pad 6 (metallic)",
|
|
"Pad 7 (halo)", "Pad 8 (sweep)", "FX 1 (rain)", "FX 2 (soundtrack)", "FX 3 (crystal)",
|
|
"FX 4 (atmosphere)", "FX 5 (brightness)", "FX 6 (goblins)", "FX 7 (echoes)", "FX 8 (sci-fi)",
|
|
"Sitar", "Banjo", "Shamisen", "Koto", "Kalimba", "Bag pipe", "Fiddle", "Shanai", "Tinkle Bell",
|
|
"Agogo", "Steel Drums", "Woodblock", "Taiko Drum", "Melodic Tom", "Synth Drum", "Reverse Cymbal",
|
|
"Guitar Fret Noise", "Breath Noise", "Seashore", "Bird Tweet", "Telephone Ring", "Helicopter",
|
|
"Applause", "Gunshot"
|
|
};
|
|
|
|
return isPositiveAndBelow (n, numElementsInArray (names)) ? names[n] : nullptr;
|
|
}
|
|
|
|
const char* MidiMessage::getGMInstrumentBankName (const int n)
|
|
{
|
|
static const char* names[] =
|
|
{
|
|
"Piano", "Chromatic Percussion", "Organ", "Guitar",
|
|
"Bass", "Strings", "Ensemble", "Brass",
|
|
"Reed", "Pipe", "Synth Lead", "Synth Pad",
|
|
"Synth Effects", "Ethnic", "Percussive", "Sound Effects"
|
|
};
|
|
|
|
return isPositiveAndBelow (n, numElementsInArray (names)) ? names[n] : nullptr;
|
|
}
|
|
|
|
const char* MidiMessage::getRhythmInstrumentName (const int n)
|
|
{
|
|
static const char* names[] =
|
|
{
|
|
"Acoustic Bass Drum", "Bass Drum 1", "Side Stick", "Acoustic Snare",
|
|
"Hand Clap", "Electric Snare", "Low Floor Tom", "Closed Hi-Hat", "High Floor Tom",
|
|
"Pedal Hi-Hat", "Low Tom", "Open Hi-Hat", "Low-Mid Tom", "Hi-Mid Tom", "Crash Cymbal 1",
|
|
"High Tom", "Ride Cymbal 1", "Chinese Cymbal", "Ride Bell", "Tambourine", "Splash Cymbal",
|
|
"Cowbell", "Crash Cymbal 2", "Vibraslap", "Ride Cymbal 2", "Hi Bongo", "Low Bongo",
|
|
"Mute Hi Conga", "Open Hi Conga", "Low Conga", "High Timbale", "Low Timbale", "High Agogo",
|
|
"Low Agogo", "Cabasa", "Maracas", "Short Whistle", "Long Whistle", "Short Guiro",
|
|
"Long Guiro", "Claves", "Hi Wood Block", "Low Wood Block", "Mute Cuica", "Open Cuica",
|
|
"Mute Triangle", "Open Triangle"
|
|
};
|
|
|
|
return (n >= 35 && n <= 81) ? names [n - 35] : nullptr;
|
|
}
|
|
|
|
const char* MidiMessage::getControllerName (const int n)
|
|
{
|
|
static const char* names[] =
|
|
{
|
|
"Bank Select", "Modulation Wheel (coarse)", "Breath controller (coarse)",
|
|
0, "Foot Pedal (coarse)", "Portamento Time (coarse)",
|
|
"Data Entry (coarse)", "Volume (coarse)", "Balance (coarse)",
|
|
0, "Pan position (coarse)", "Expression (coarse)", "Effect Control 1 (coarse)",
|
|
"Effect Control 2 (coarse)", 0, 0, "General Purpose Slider 1", "General Purpose Slider 2",
|
|
"General Purpose Slider 3", "General Purpose Slider 4", 0, 0, 0, 0, 0, 0, 0, 0,
|
|
0, 0, 0, 0, "Bank Select (fine)", "Modulation Wheel (fine)", "Breath controller (fine)",
|
|
0, "Foot Pedal (fine)", "Portamento Time (fine)", "Data Entry (fine)", "Volume (fine)",
|
|
"Balance (fine)", 0, "Pan position (fine)", "Expression (fine)", "Effect Control 1 (fine)",
|
|
"Effect Control 2 (fine)", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
|
|
"Hold Pedal (on/off)", "Portamento (on/off)", "Sustenuto Pedal (on/off)", "Soft Pedal (on/off)",
|
|
"Legato Pedal (on/off)", "Hold 2 Pedal (on/off)", "Sound Variation", "Sound Timbre",
|
|
"Sound Release Time", "Sound Attack Time", "Sound Brightness", "Sound Control 6",
|
|
"Sound Control 7", "Sound Control 8", "Sound Control 9", "Sound Control 10",
|
|
"General Purpose Button 1 (on/off)", "General Purpose Button 2 (on/off)",
|
|
"General Purpose Button 3 (on/off)", "General Purpose Button 4 (on/off)",
|
|
0, 0, 0, 0, 0, 0, 0, "Reverb Level", "Tremolo Level", "Chorus Level", "Celeste Level",
|
|
"Phaser Level", "Data Button increment", "Data Button decrement", "Non-registered Parameter (fine)",
|
|
"Non-registered Parameter (coarse)", "Registered Parameter (fine)", "Registered Parameter (coarse)",
|
|
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, "All Sound Off", "All Controllers Off",
|
|
"Local Keyboard (on/off)", "All Notes Off", "Omni Mode Off", "Omni Mode On", "Mono Operation",
|
|
"Poly Operation"
|
|
};
|
|
|
|
return isPositiveAndBelow (n, numElementsInArray (names)) ? names[n] : nullptr;
|
|
}
|
|
|