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https://github.com/juce-framework/JUCE.git
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250 lines
9.3 KiB
C++
250 lines
9.3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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MidiBuffer MPEMessages::setLowerZone (int numMemberChannels, int perNotePitchbendRange, int masterPitchbendRange)
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{
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auto buffer = MidiRPNGenerator::generate (1, zoneLayoutMessagesRpnNumber, numMemberChannels, false, false);
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buffer.addEvents (setLowerZonePerNotePitchbendRange (perNotePitchbendRange), 0, -1, 0);
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buffer.addEvents (setLowerZoneMasterPitchbendRange (masterPitchbendRange), 0, -1, 0);
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return buffer;
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}
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MidiBuffer MPEMessages::setUpperZone (int numMemberChannels, int perNotePitchbendRange, int masterPitchbendRange)
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{
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auto buffer = MidiRPNGenerator::generate (16, zoneLayoutMessagesRpnNumber, numMemberChannels, false, false);
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buffer.addEvents (setUpperZonePerNotePitchbendRange (perNotePitchbendRange), 0, -1, 0);
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buffer.addEvents (setUpperZoneMasterPitchbendRange (masterPitchbendRange), 0, -1, 0);
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return buffer;
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}
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MidiBuffer MPEMessages::setLowerZonePerNotePitchbendRange (int perNotePitchbendRange)
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{
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return MidiRPNGenerator::generate (2, 0, perNotePitchbendRange, false, false);
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}
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MidiBuffer MPEMessages::setUpperZonePerNotePitchbendRange (int perNotePitchbendRange)
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{
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return MidiRPNGenerator::generate (15, 0, perNotePitchbendRange, false, false);
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}
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MidiBuffer MPEMessages::setLowerZoneMasterPitchbendRange (int masterPitchbendRange)
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{
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return MidiRPNGenerator::generate (1, 0, masterPitchbendRange, false, false);
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}
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MidiBuffer MPEMessages::setUpperZoneMasterPitchbendRange (int masterPitchbendRange)
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{
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return MidiRPNGenerator::generate (16, 0, masterPitchbendRange, false, false);
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}
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MidiBuffer MPEMessages::clearLowerZone()
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{
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return MidiRPNGenerator::generate (1, zoneLayoutMessagesRpnNumber, 0, false, false);
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}
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MidiBuffer MPEMessages::clearUpperZone()
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{
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return MidiRPNGenerator::generate (16, zoneLayoutMessagesRpnNumber, 0, false, false);
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}
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MidiBuffer MPEMessages::clearAllZones()
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{
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MidiBuffer buffer;
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buffer.addEvents (clearLowerZone(), 0, -1, 0);
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buffer.addEvents (clearUpperZone(), 0, -1, 0);
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return buffer;
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}
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MidiBuffer MPEMessages::setZoneLayout (MPEZoneLayout layout)
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{
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MidiBuffer buffer;
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buffer.addEvents (clearAllZones(), 0, -1, 0);
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auto lowerZone = layout.getLowerZone();
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if (lowerZone.isActive())
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buffer.addEvents (setLowerZone (lowerZone.numMemberChannels,
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lowerZone.perNotePitchbendRange,
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lowerZone.masterPitchbendRange),
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0, -1, 0);
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auto upperZone = layout.getUpperZone();
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if (upperZone.isActive())
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buffer.addEvents (setUpperZone (upperZone.numMemberChannels,
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upperZone.perNotePitchbendRange,
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upperZone.masterPitchbendRange),
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0, -1, 0);
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return buffer;
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}
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//==============================================================================
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//==============================================================================
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#if JUCE_UNIT_TESTS
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class MPEMessagesTests final : public UnitTest
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{
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public:
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MPEMessagesTests()
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: UnitTest ("MPEMessages class", UnitTestCategories::midi)
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{}
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void runTest() override
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{
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beginTest ("add zone");
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{
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{
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MidiBuffer buffer = MPEMessages::setLowerZone (7);
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const uint8 expectedBytes[] =
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{
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0xb0, 0x64, 0x06, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x07, // set up zone
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0xb1, 0x64, 0x00, 0xb1, 0x65, 0x00, 0xb1, 0x06, 0x30, // per-note pbrange (default = 48)
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0xb0, 0x64, 0x00, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x02 // master pbrange (default = 2)
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};
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testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
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}
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{
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MidiBuffer buffer = MPEMessages::setUpperZone (5, 96, 0);
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const uint8 expectedBytes[] =
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{
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0xbf, 0x64, 0x06, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x05, // set up zone
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0xbe, 0x64, 0x00, 0xbe, 0x65, 0x00, 0xbe, 0x06, 0x60, // per-note pbrange (custom)
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0xbf, 0x64, 0x00, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x00 // master pbrange (custom)
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};
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testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
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}
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}
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beginTest ("set per-note pitchbend range");
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{
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MidiBuffer buffer = MPEMessages::setLowerZonePerNotePitchbendRange (96);
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const uint8 expectedBytes[] = { 0xb1, 0x64, 0x00, 0xb1, 0x65, 0x00, 0xb1, 0x06, 0x60 };
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testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
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}
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beginTest ("set master pitchbend range");
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{
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MidiBuffer buffer = MPEMessages::setUpperZoneMasterPitchbendRange (60);
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const uint8 expectedBytes[] = { 0xbf, 0x64, 0x00, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x3c };
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testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
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}
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beginTest ("clear all zones");
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{
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MidiBuffer buffer = MPEMessages::clearAllZones();
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const uint8 expectedBytes[] = { 0xb0, 0x64, 0x06, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x00, // clear lower zone
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0xbf, 0x64, 0x06, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x00 // clear upper zone
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};
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testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
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}
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beginTest ("set complete state");
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{
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MPEZoneLayout layout;
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layout.setLowerZone (7, 96, 0);
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layout.setUpperZone (7);
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MidiBuffer buffer = MPEMessages::setZoneLayout (layout);
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const uint8 expectedBytes[] = {
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0xb0, 0x64, 0x06, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x00, // clear lower zone
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0xbf, 0x64, 0x06, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x00, // clear upper zone
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0xb0, 0x64, 0x06, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x07, // set lower zone
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0xb1, 0x64, 0x00, 0xb1, 0x65, 0x00, 0xb1, 0x06, 0x60, // per-note pbrange (custom)
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0xb0, 0x64, 0x00, 0xb0, 0x65, 0x00, 0xb0, 0x06, 0x00, // master pbrange (custom)
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0xbf, 0x64, 0x06, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x07, // set upper zone
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0xbe, 0x64, 0x00, 0xbe, 0x65, 0x00, 0xbe, 0x06, 0x30, // per-note pbrange (default = 48)
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0xbf, 0x64, 0x00, 0xbf, 0x65, 0x00, 0xbf, 0x06, 0x02 // master pbrange (default = 2)
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};
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testMidiBuffer (buffer, expectedBytes, sizeof (expectedBytes));
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}
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}
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private:
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//==============================================================================
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void testMidiBuffer (MidiBuffer& buffer, const uint8* expectedBytes, int expectedBytesSize)
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{
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uint8 actualBytes[128] = { 0 };
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extractRawBinaryData (buffer, actualBytes, sizeof (actualBytes));
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expectEquals (std::memcmp (actualBytes, expectedBytes, (std::size_t) expectedBytesSize), 0);
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}
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//==============================================================================
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void extractRawBinaryData (const MidiBuffer& midiBuffer, const uint8* bufferToCopyTo, std::size_t maxBytes)
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{
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std::size_t pos = 0;
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for (const auto metadata : midiBuffer)
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{
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const uint8* data = metadata.data;
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std::size_t dataSize = (std::size_t) metadata.numBytes;
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if (pos + dataSize > maxBytes)
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return;
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std::memcpy ((void*) (bufferToCopyTo + pos), data, dataSize);
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pos += dataSize;
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}
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}
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};
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static MPEMessagesTests MPEMessagesUnitTests;
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#endif
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} // namespace juce
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