1 /* 2 ============================================================================== 3 4 This file is part of the JUCE library. 5 Copyright (c) 2020 - Raw Material Software Limited 6 7 JUCE is an open source library subject to commercial or open-source 8 licensing. 9 10 The code included in this file is provided under the terms of the ISC license 11 http://www.isc.org/downloads/software-support-policy/isc-license. Permission 12 To use, copy, modify, and/or distribute this software for any purpose with or 13 without fee is hereby granted provided that the above copyright notice and 14 this permission notice appear in all copies. 15 16 JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER 17 EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE 18 DISCLAIMED. 19 20 ============================================================================== 21 */ 22 23 namespace juce 24 { 25 26 //============================================================================== 27 /** 28 This helper class contains the necessary helper functions to generate 29 MIDI messages that are exclusive to MPE, such as defining the upper and lower 30 MPE zones and setting per-note and master pitchbend ranges. 31 You can then send them to your MPE device using MidiOutput::sendBlockOfMessagesNow. 32 33 All other MPE messages like per-note pitchbend, pressure, and third 34 dimension, are ordinary MIDI messages that should be created using the MidiMessage 35 class instead. You just need to take care to send them to the appropriate 36 per-note MIDI channel. 37 38 Note: If you are working with an MPEZoneLayout object inside your app, 39 you should not use the message sequences provided here. Instead, you should 40 change the zone layout programmatically with the member functions provided in the 41 MPEZoneLayout class itself. You should also make sure that the Expressive 42 MIDI zone layout of your C++ code and of the MPE device are kept in sync. 43 44 @see MidiMessage, MPEZoneLayout 45 46 @tags{Audio} 47 */ 48 class JUCE_API MPEMessages 49 { 50 public: 51 /** Returns the sequence of MIDI messages that, if sent to an Expressive 52 MIDI device, will set the lower MPE zone. 53 */ 54 static MidiBuffer setLowerZone (int numMemberChannels = 0, 55 int perNotePitchbendRange = 48, 56 int masterPitchbendRange = 2); 57 58 /** Returns the sequence of MIDI messages that, if sent to an Expressive 59 MIDI device, will set the upper MPE zone. 60 */ 61 static MidiBuffer setUpperZone (int numMemberChannels = 0, 62 int perNotePitchbendRange = 48, 63 int masterPitchbendRange = 2); 64 65 /** Returns the sequence of MIDI messages that, if sent to an Expressive 66 MIDI device, will set the per-note pitchbend range of the lower MPE zone. 67 */ 68 static MidiBuffer setLowerZonePerNotePitchbendRange (int perNotePitchbendRange = 48); 69 70 /** Returns the sequence of MIDI messages that, if sent to an Expressive 71 MIDI device, will set the per-note pitchbend range of the upper MPE zone. 72 */ 73 static MidiBuffer setUpperZonePerNotePitchbendRange (int perNotePitchbendRange = 48); 74 75 /** Returns the sequence of MIDI messages that, if sent to an Expressive 76 MIDI device, will set the master pitchbend range of the lower MPE zone. 77 */ 78 static MidiBuffer setLowerZoneMasterPitchbendRange (int masterPitchbendRange = 2); 79 80 /** Returns the sequence of MIDI messages that, if sent to an Expressive 81 MIDI device, will set the master pitchbend range of the upper MPE zone. 82 */ 83 static MidiBuffer setUpperZoneMasterPitchbendRange (int masterPitchbendRange = 2); 84 85 /** Returns the sequence of MIDI messages that, if sent to an Expressive 86 MIDI device, will clear the lower zone. 87 */ 88 static MidiBuffer clearLowerZone(); 89 90 /** Returns the sequence of MIDI messages that, if sent to an Expressive 91 MIDI device, will clear the upper zone. 92 */ 93 static MidiBuffer clearUpperZone(); 94 95 /** Returns the sequence of MIDI messages that, if sent to an Expressive 96 MIDI device, will clear the lower and upper zones. 97 */ 98 static MidiBuffer clearAllZones(); 99 100 /** Returns the sequence of MIDI messages that, if sent to an Expressive 101 MIDI device, will reset the whole MPE zone layout of the 102 device to the layout passed in. This will first clear the current lower and upper 103 zones, then then set the zones contained in the passed-in zone layout, and set their 104 per-note and master pitchbend ranges to their current values. 105 */ 106 static MidiBuffer setZoneLayout (MPEZoneLayout layout); 107 108 /** The RPN number used for MPE zone layout messages. 109 110 Pitchbend range messages (both per-note and master) are instead sent 111 on RPN 0 as in standard MIDI 1.0. 112 */ 113 static const int zoneLayoutMessagesRpnNumber = 6; 114 }; 115 116 } // namespace juce 117