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/*
==============================================================================
This file is part of the JUCE library.
Copyright (c) 2017 - ROLI Ltd.
JUCE is an open source library subject to commercial or open-source
licensing.
The code included in this file is provided under the terms of the ISC license
http://www.isc.org/downloads/software-support-policy/isc-license. Permission
To use, copy, modify, and/or distribute this software for any purpose with or
without fee is hereby granted provided that the above copyright notice and
this permission notice appear in all copies.
JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
DISCLAIMED.
==============================================================================
*/
namespace juce
{
MidiBuffer MPEMessages::setLowerZone (int numMemberChannels, int perNotePitchbendRange, int masterPitchbendRange)
{
auto buffer = MidiRPNGenerator::generate (1, zoneLayoutMessagesRpnNumber, numMemberChannels, false, false);
buffer.addEvents (setLowerZonePerNotePitchbendRange (perNotePitchbendRange), 0, -1, 0);
buffer.addEvents (setLowerZoneMasterPitchbendRange (masterPitchbendRange), 0, -1, 0);
return buffer;
}
MidiBuffer MPEMessages::setUpperZone (int numMemberChannels, int perNotePitchbendRange, int masterPitchbendRange)
{
auto buffer = MidiRPNGenerator::generate (16, zoneLayoutMessagesRpnNumber, numMemberChannels, false, false);
buffer.addEvents (setUpperZonePerNotePitchbendRange (perNotePitchbendRange), 0, -1, 0);
buffer.addEvents (setUpperZoneMasterPitchbendRange (masterPitchbendRange), 0, -1, 0);
return buffer;
}
MidiBuffer MPEMessages::setLowerZonePerNotePitchbendRange (int perNotePitchbendRange)
{
return MidiRPNGenerator::generate (2, 0, perNotePitchbendRange, false, false);
}
MidiBuffer MPEMessages::setUpperZonePerNotePitchbendRange (int perNotePitchbendRange)
{
return MidiRPNGenerator::generate (15, 0, perNotePitchbendRange, false, false);
}
MidiBuffer MPEMessages::setLowerZoneMasterPitchbendRange (int masterPitchbendRange)
{
return MidiRPNGenerator::generate (1, 0, masterPitchbendRange, false, false);
}
MidiBuffer MPEMessages::setUpperZoneMasterPitchbendRange (int masterPitchbendRange)
{
return MidiRPNGenerator::generate (16, 0, masterPitchbendRange, false, false);
}
MidiBuffer MPEMessages::clearLowerZone()
{
return MidiRPNGenerator::generate (1, zoneLayoutMessagesRpnNumber, 0, false, false);
}
MidiBuffer MPEMessages::clearUpperZone()
{
return MidiRPNGenerator::generate (16, zoneLayoutMessagesRpnNumber, 0, false, false);
}
MidiBuffer MPEMessages::clearAllZones()
{
MidiBuffer buffer;
buffer.addEvents (clearLowerZone(), 0, -1, 0);
buffer.addEvents (clearUpperZone(), 0, -1, 0);
return buffer;
}
MidiBuffer MPEMessages::setZoneLayout (MPEZoneLayout layout)
{
MidiBuffer buffer;
buffer.addEvents (clearAllZones(), 0, -1, 0);
auto lowerZone = layout.getLowerZone();
if (lowerZone.isActive())
buffer.addEvents (setLowerZone (lowerZone.numMemberChannels,
lowerZone.perNotePitchbendRange,
lowerZone.masterPitchbendRange),
0, -1, 0);
auto upperZone = layout.getUpperZone();
if (upperZone.isActive())
buffer.addEvents (setUpperZone (upperZone.numMemberChannels,
upperZone.perNotePitchbendRange,
upperZone.masterPitchbendRange),
0, -1, 0);
return buffer;
}
//==============================================================================
//==============================================================================
#if JUCE_UNIT_TESTS
class MPEMessagesTests : public UnitTest
{
public:
MPEMessagesTests() : UnitTest ("MPEMessages class", "MIDI/MPE") {}
void runTest() override
{
beginTest ("add zone");
{
{
MidiBuffer buffer = MPEMessages::setLowerZone (7);
const uint8 expectedBytes[] =
{
0xb0, 0x64, 0x06, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x07, // set up zone
0xb1, 0x64, 0x00, 0xb1, 0x65, 0x00, 0xb1, 0x06, 0x30, // per-note pbrange (default = 48)
0xb0, 0x64, 0x00, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x02 // master pbrange (default = 2)
};
testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
}
{
MidiBuffer buffer = MPEMessages::setUpperZone (5, 96, 0);
const uint8 expectedBytes[] =
{
0xbf, 0x64, 0x06, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x05, // set up zone
0xbe, 0x64, 0x00, 0xbe, 0x65, 0x00, 0xbe, 0x06, 0x60, // per-note pbrange (custom)
0xbf, 0x64, 0x00, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x00 // master pbrange (custom)
};
testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
}
}
beginTest ("set per-note pitchbend range");
{
MidiBuffer buffer = MPEMessages::setLowerZonePerNotePitchbendRange (96);
const uint8 expectedBytes[] = { 0xb1, 0x64, 0x00, 0xb1, 0x65, 0x00, 0xb1, 0x06, 0x60 };
testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
}
beginTest ("set master pitchbend range");
{
MidiBuffer buffer = MPEMessages::setUpperZoneMasterPitchbendRange (60);
const uint8 expectedBytes[] = { 0xbf, 0x64, 0x00, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x3c };
testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
}
beginTest ("clear all zones");
{
MidiBuffer buffer = MPEMessages::clearAllZones();
const uint8 expectedBytes[] = { 0xb0, 0x64, 0x06, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x00, // clear lower zone
0xbf, 0x64, 0x06, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x00 // clear upper zone
};
testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
}
beginTest ("set complete state");
{
MPEZoneLayout layout;
layout.setLowerZone (7, 96, 0);
layout.setUpperZone (7);
MidiBuffer buffer = MPEMessages::setZoneLayout (layout);
const uint8 expectedBytes[] = {
0xb0, 0x64, 0x06, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x00, // clear lower zone
0xbf, 0x64, 0x06, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x00, // clear upper zone
0xb0, 0x64, 0x06, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x07, // set lower zone
0xb1, 0x64, 0x00, 0xb1, 0x65, 0x00, 0xb1, 0x06, 0x60, // per-note pbrange (custom)
0xb0, 0x64, 0x00, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x00, // master pbrange (custom)
0xbf, 0x64, 0x06, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x07, // set upper zone
0xbe, 0x64, 0x00, 0xbe, 0x65, 0x00, 0xbe, 0x06, 0x30, // per-note pbrange (default = 48)
0xbf, 0x64, 0x00, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x02 // master pbrange (default = 2)
};
testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
}
}
private:
//==============================================================================
void testMidiBuffer (MidiBuffer& buffer, const uint8* expectedBytes, int expectedBytesSize)
{
uint8 actualBytes[128] = { 0 };
extractRawBinaryData (buffer, actualBytes, sizeof (actualBytes));
expectEquals (std::memcmp (actualBytes, expectedBytes, (std::size_t) expectedBytesSize), 0);
}
//==============================================================================
void extractRawBinaryData (const MidiBuffer& midiBuffer, const uint8* bufferToCopyTo, std::size_t maxBytes)
{
std::size_t pos = 0;
MidiBuffer::Iterator iter (midiBuffer);
MidiMessage midiMessage;
int samplePosition; // Note: Not actually used, so no need to initialise.
while (iter.getNextEvent (midiMessage, samplePosition))
{
const uint8* data = midiMessage.getRawData();
std::size_t dataSize = (std::size_t) midiMessage.getRawDataSize();
if (pos + dataSize > maxBytes)
return;
std::memcpy ((void*) (bufferToCopyTo + pos), data, dataSize);
pos += dataSize;
}
}
};
static MPEMessagesTests MPEMessagesUnitTests;
#endif // JUCE_UNIT_TESTS
} // namespace juce
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