| 1 | /* |
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| 2 | * Hydrogen |
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| 3 | * Copyright(c) 2002-2008 by Alex >Comix< Cominu [comix@users.sourceforge.net] |
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| 4 | * |
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| 5 | * http://www.hydrogen-music.org |
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| 6 | * |
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| 7 | * This program is free software; you can redistribute it and/or modify |
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| 8 | * it under the terms of the GNU General Public License as published by |
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| 9 | * the Free Software Foundation; either version 2 of the License, or |
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| 10 | * (at your option) any later version. |
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| 11 | * |
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| 12 | * This program is distributed in the hope that it will be useful, |
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| 13 | * but WITHOUT ANY WARRANTY, without even the implied warranty of |
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 15 | * GNU General Public License for more details. |
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| 16 | * |
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| 17 | * You should have received a copy of the GNU General Public License |
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| 18 | * along with this program; if not, write to the Free Software |
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| 19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 20 | * |
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| 21 | */ |
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| 22 | |
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| 23 | #include <hydrogen/IO/MidiInput.h> |
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| 24 | #include <hydrogen/event_queue.h> |
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| 25 | #include <hydrogen/Preferences.h> |
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| 26 | #include <hydrogen/hydrogen.h> |
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| 27 | #include <hydrogen/instrument.h> |
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| 28 | #include <hydrogen/note.h> |
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| 29 | #include <hydrogen/action.h> |
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| 30 | #include <hydrogen/midiMap.h> |
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| 31 | |
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| 32 | namespace H2Core |
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| 33 | { |
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| 34 | |
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| 35 | MidiInput::MidiInput( const QString class_name ) |
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| 36 | : Object( class_name ) |
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| 37 | , m_bActive( false ) |
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| 38 | { |
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| 39 | //INFOLOG( "INIT" ); |
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| 40 | |
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| 41 | } |
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| 42 | |
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| 43 | |
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| 44 | MidiInput::~MidiInput() |
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| 45 | { |
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| 46 | //INFOLOG( "DESTROY" ); |
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| 47 | } |
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| 48 | |
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| 49 | void MidiInput::handleMidiMessage( const MidiMessage& msg ) |
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| 50 | { |
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| 51 | EventQueue::get_instance()->push_event( EVENT_MIDI_ACTIVITY, -1 ); |
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| 52 | |
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| 53 | // infoLog( "[handleMidiMessage]" ); |
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| 54 | // infoLog( "[handleMidiMessage] channel: " + to_string( msg.m_nChannel ) ); |
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| 55 | // infoLog( "[handleMidiMessage] val1: " + to_string( msg.m_nData1 ) ); |
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| 56 | // infoLog( "[handleMidiMessage] val2: " + to_string( msg.m_nData2 ) ); |
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| 57 | |
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| 58 | switch ( msg.m_type ) { |
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| 59 | case MidiMessage::SYSEX: |
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| 60 | handleSysexMessage( msg ); |
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| 61 | break; |
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| 62 | |
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| 63 | case MidiMessage::NOTE_ON: |
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| 64 | handleNoteOnMessage( msg ); |
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| 65 | break; |
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| 66 | |
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| 67 | case MidiMessage::NOTE_OFF: |
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| 68 | handleNoteOffMessage( msg ); |
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| 69 | break; |
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| 70 | |
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| 71 | case MidiMessage::POLYPHONIC_KEY_PRESSURE: |
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| 72 | ERRORLOG( "POLYPHONIC_KEY_PRESSURE event not handled yet" ); |
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| 73 | break; |
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| 74 | |
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| 75 | case MidiMessage::CONTROL_CHANGE: |
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| 76 | INFOLOG( QString( "[handleMidiMessage] CONTROL_CHANGE Parameter: %1, Value: %2").arg( msg.m_nData1 ).arg( msg.m_nData2 ) ); |
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| 77 | handleControlChangeMessage( msg ); |
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| 78 | break; |
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| 79 | |
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| 80 | case MidiMessage::PROGRAM_CHANGE: |
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| 81 | INFOLOG( QString( "[handleMidiMessage] PROGRAM_CHANGE event, seting next pattern to %1" ).arg( msg.m_nData1 ) ); |
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| 82 | Hydrogen::get_instance()->sequencer_setNextPattern(msg.m_nData1, false, false); |
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| 83 | break; |
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| 84 | |
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| 85 | case MidiMessage::CHANNEL_PRESSURE: |
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| 86 | ERRORLOG( "CHANNEL_PRESSURE event not handled yet" ); |
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| 87 | break; |
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| 88 | |
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| 89 | case MidiMessage::PITCH_WHEEL: |
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| 90 | ERRORLOG( "PITCH_WHEEL event not handled yet" ); |
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| 91 | break; |
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| 92 | |
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| 93 | case MidiMessage::SYSTEM_EXCLUSIVE: |
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| 94 | ERRORLOG( "SYSTEM_EXCLUSIVE event not handled yet" ); |
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| 95 | break; |
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| 96 | |
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| 97 | case MidiMessage::START: |
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| 98 | INFOLOG( "START event" ); |
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| 99 | if ( Hydrogen::get_instance()->getState() != STATE_PLAYING ) { |
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| 100 | Hydrogen::get_instance()->sequencer_play(); |
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| 101 | } |
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| 102 | break; |
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| 103 | |
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| 104 | case MidiMessage::CONTINUE: |
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| 105 | ERRORLOG( "CONTINUE event not handled yet" ); |
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| 106 | break; |
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| 107 | |
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| 108 | case MidiMessage::STOP: |
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| 109 | INFOLOG( "STOP event" ); |
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| 110 | if ( Hydrogen::get_instance()->getState() == STATE_PLAYING ) { |
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| 111 | Hydrogen::get_instance()->sequencer_stop(); |
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| 112 | } |
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| 113 | break; |
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| 114 | |
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| 115 | case MidiMessage::SONG_POS: |
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| 116 | ERRORLOG( "SONG_POS event not handled yet" ); |
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| 117 | break; |
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| 118 | |
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| 119 | case MidiMessage::QUARTER_FRAME: |
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| 120 | WARNINGLOG( "QUARTER_FRAME event not handled yet" ); |
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| 121 | break; |
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| 122 | |
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| 123 | case MidiMessage::UNKNOWN: |
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| 124 | ERRORLOG( "Unknown midi message" ); |
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| 125 | break; |
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| 126 | |
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| 127 | default: |
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| 128 | ERRORLOG( QString( "unhandled midi message type: %1" ).arg( msg.m_type ) ); |
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| 129 | } |
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| 130 | } |
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| 131 | |
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| 132 | void MidiInput::handleControlChangeMessage( const MidiMessage& msg ) |
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| 133 | { |
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| 134 | //INFOLOG( QString( "[handleMidiMessage] CONTROL_CHANGE Parameter: %1, Value: %2" ).arg( msg.m_nData1 ).arg( msg.m_nData2 ) ); |
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| 135 | |
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| 136 | Hydrogen *pEngine = Hydrogen::get_instance(); |
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| 137 | ActionManager * aH = ActionManager::getInstance(); |
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| 138 | MidiMap * mM = MidiMap::getInstance(); |
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| 139 | |
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| 140 | Action * pAction; |
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| 141 | |
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| 142 | pAction = mM->getCCAction( msg.m_nData1 ); |
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| 143 | pAction->setParameter2( QString::number( msg.m_nData2 ) ); |
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| 144 | |
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| 145 | aH->handleAction( pAction ); |
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| 146 | |
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| 147 | pEngine->lastMidiEvent = "CC"; |
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| 148 | pEngine->lastMidiEventParameter = msg.m_nData1; |
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| 149 | |
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| 150 | |
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| 151 | } |
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| 152 | |
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| 153 | void MidiInput::handleNoteOnMessage( const MidiMessage& msg ) |
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| 154 | { |
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| 155 | INFOLOG( "handleNoteOnMessage" ); |
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| 156 | |
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| 157 | |
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| 158 | int nMidiChannelFilter = Preferences::getInstance()->m_nMidiChannelFilter; |
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| 159 | int nChannel = msg.m_nChannel; |
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| 160 | int nNote = msg.m_nData1; |
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| 161 | float fVelocity = msg.m_nData2 / 127.0; |
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| 162 | |
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| 163 | if ( fVelocity == 0 ) { |
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| 164 | handleNoteOffMessage( msg ); |
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| 165 | return; |
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| 166 | } |
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| 167 | |
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| 168 | |
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| 169 | bool bIsChannelValid = true; |
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| 170 | if ( nMidiChannelFilter != -1 ) { |
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| 171 | bIsChannelValid = ( nChannel == nMidiChannelFilter ); |
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| 172 | } |
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| 173 | |
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| 174 | ActionManager * aH = ActionManager::getInstance(); |
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| 175 | MidiMap * mM = MidiMap::getInstance(); |
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| 176 | Hydrogen *pEngine = Hydrogen::get_instance(); |
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| 177 | |
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| 178 | pEngine->lastMidiEvent = "NOTE"; |
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| 179 | pEngine->lastMidiEventParameter = msg.m_nData1; |
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| 180 | |
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| 181 | bool action = aH->handleAction( mM->getNoteAction( msg.m_nData1 ) ); |
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| 182 | |
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| 183 | if ( action && Preferences::getInstance()->m_bMidiDiscardNoteAfterAction) |
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| 184 | { |
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| 185 | return; |
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| 186 | } |
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| 187 | |
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| 188 | |
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| 189 | |
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| 190 | |
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| 191 | |
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| 192 | bool bPatternSelect = false; |
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| 193 | |
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| 194 | if ( bIsChannelValid ) { |
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| 195 | if ( bPatternSelect ) { |
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| 196 | int patternNumber = nNote - 36; |
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| 197 | INFOLOG( QString( "next pattern = %1" ).arg( patternNumber ) ); |
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| 198 | |
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| 199 | pEngine->sequencer_setNextPattern( patternNumber, false, false ); |
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| 200 | } else { |
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| 201 | static const float fPan_L = 1.0f; |
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| 202 | static const float fPan_R = 1.0f; |
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| 203 | |
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| 204 | int nInstrument = nNote - 36; |
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| 205 | if ( nInstrument < 0 ) { |
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| 206 | nInstrument = 0; |
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| 207 | } |
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| 208 | if ( nInstrument > ( MAX_INSTRUMENTS -1 ) ) { |
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| 209 | nInstrument = MAX_INSTRUMENTS - 1; |
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| 210 | } |
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| 211 | |
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| 212 | pEngine->addRealtimeNote( nInstrument, fVelocity, fPan_L, fPan_R, 0.0, true ); |
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| 213 | } |
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| 214 | } |
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| 215 | } |
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| 216 | |
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| 217 | |
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| 218 | |
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| 219 | void MidiInput::handleNoteOffMessage( const MidiMessage& msg ) |
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| 220 | { |
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| 221 | INFOLOG( "handleNoteOffMessage" ); |
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| 222 | if ( Preferences::getInstance()->m_bMidiNoteOffIgnore ) { |
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| 223 | return; |
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| 224 | } |
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| 225 | |
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| 226 | Hydrogen *pEngine = Hydrogen::get_instance(); |
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| 227 | Song *pSong = pEngine->getSong(); |
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| 228 | |
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| 229 | int nNote = msg.m_nData1; |
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| 230 | int nInstrument = nNote - 36; |
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| 231 | if ( nInstrument < 0 ) { |
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| 232 | nInstrument = 0; |
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| 233 | } |
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| 234 | if ( nInstrument > ( MAX_INSTRUMENTS -1 ) ) { |
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| 235 | nInstrument = MAX_INSTRUMENTS - 1; |
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| 236 | } |
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| 237 | Instrument *pInstr = pSong->get_instrument_list()->get( nInstrument ); |
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| 238 | const unsigned nPosition = 0; |
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| 239 | const float fVelocity = 0.0f; |
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| 240 | const float fPan_L = 0.5f; |
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| 241 | const float fPan_R = 0.5f; |
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| 242 | const int nLength = -1; |
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| 243 | const float fPitch = 0.0f; |
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| 244 | Note *pNewNote = new Note( pInstr, nPosition, fVelocity, fPan_L, fPan_R, nLength, fPitch ); |
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| 245 | |
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| 246 | pEngine->midi_noteOff( pNewNote ); |
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| 247 | } |
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| 248 | |
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| 249 | |
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| 250 | |
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| 251 | void MidiInput::handleSysexMessage( const MidiMessage& msg ) |
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| 252 | { |
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| 253 | |
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| 254 | /* |
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| 255 | General MMC message |
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| 256 | 0 1 2 3 4 5 |
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| 257 | F0 7F id 6 cmd 247 |
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| 258 | |
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| 259 | cmd: |
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| 260 | 1 stop |
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| 261 | 2 play |
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| 262 | 3 Deferred play |
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| 263 | 4 Fast Forward |
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| 264 | 5 Rewind |
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| 265 | 6 Record strobe (punch in) |
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| 266 | 7 Record exit (punch out) |
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| 267 | 9 Pause |
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| 268 | |
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| 269 | |
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| 270 | Goto MMC message |
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| 271 | 0 1 2 3 4 5 6 7 8 9 10 11 12 |
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| 272 | 240 127 id 6 68 6 1 hr mn sc fr ff 247 |
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| 273 | */ |
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| 274 | |
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| 275 | |
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| 276 | ActionManager * aH = ActionManager::getInstance(); |
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| 277 | MidiMap * mM = MidiMap::getInstance(); |
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| 278 | Hydrogen *pEngine = Hydrogen::get_instance(); |
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| 279 | |
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| 280 | pEngine->lastMidiEventParameter = msg.m_nData1; |
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| 281 | |
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| 282 | |
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| 283 | |
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| 284 | if ( msg.m_sysexData.size() == 6 ) { |
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| 285 | if ( |
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| 286 | ( msg.m_sysexData[0] == 0xF0 ) && |
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| 287 | ( msg.m_sysexData[1] == 127 ) && |
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| 288 | ( msg.m_sysexData[2] == 127 ) && |
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| 289 | ( msg.m_sysexData[3] == 6 ) ) { |
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| 290 | |
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| 291 | |
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| 292 | switch ( msg.m_sysexData[4] ) { |
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| 293 | |
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| 294 | case 1: // STOP |
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| 295 | { |
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| 296 | pEngine->lastMidiEvent = "MMC_STOP"; |
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| 297 | aH->handleAction(mM->getMMCAction("MMC_STOP")); |
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| 298 | break; |
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| 299 | } |
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| 300 | |
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| 301 | case 2: // PLAY |
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| 302 | { |
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| 303 | pEngine->lastMidiEvent = "MMC_PLAY"; |
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| 304 | aH->handleAction(mM->getMMCAction("MMC_PLAY")); |
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| 305 | break; |
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| 306 | } |
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| 307 | |
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| 308 | case 3: //DEFERRED PLAY |
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| 309 | { |
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| 310 | pEngine->lastMidiEvent = "MMC_PLAY"; |
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| 311 | aH->handleAction(mM->getMMCAction("MMC_PLAY")); |
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| 312 | break; |
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| 313 | } |
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| 314 | |
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| 315 | case 4: // FAST FWD |
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| 316 | pEngine->lastMidiEvent = "MMC_FAST_FWD"; |
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| 317 | aH->handleAction(mM->getMMCAction("MMC_FAST_FWD")); |
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| 318 | |
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| 319 | break; |
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| 320 | |
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| 321 | case 5: // REWIND |
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| 322 | pEngine->lastMidiEvent = "MMC_REWIND"; |
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| 323 | aH->handleAction(mM->getMMCAction("MMC_REWIND")); |
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| 324 | break; |
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| 325 | |
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| 326 | case 6: // RECORD STROBE (PUNCH IN) |
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| 327 | pEngine->lastMidiEvent = "MMC_RECORD_STROBE"; |
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| 328 | aH->handleAction(mM->getMMCAction("MMC_RECORD_STROBE")); |
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| 329 | break; |
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| 330 | |
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| 331 | case 7: // RECORD EXIT (PUNCH OUT) |
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| 332 | pEngine->lastMidiEvent = "MMC_RECORD_EXIT"; |
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| 333 | aH->handleAction(mM->getMMCAction("MMC_RECORD_EXIT")); |
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| 334 | break; |
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| 335 | |
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| 336 | case 9: //PAUSE |
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| 337 | pEngine->lastMidiEvent = "MMC_PAUSE"; |
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| 338 | aH->handleAction(mM->getMMCAction("MMC_PAUSE")); |
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| 339 | break; |
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| 340 | |
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| 341 | default: |
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| 342 | WARNINGLOG( "Unknown MMC Command" ); |
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| 343 | // midiDump( buf, nBytes ); |
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| 344 | } |
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| 345 | } |
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| 346 | } else if ( msg.m_sysexData.size() == 13 ) { |
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| 347 | ERRORLOG( "MMC GOTO Message not implemented yet" ); |
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| 348 | // midiDump( buf, nBytes ); |
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| 349 | //int id = buf[2]; |
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| 350 | int hr = msg.m_sysexData[7]; |
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| 351 | int mn = msg.m_sysexData[8]; |
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| 352 | int sc = msg.m_sysexData[9]; |
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| 353 | int fr = msg.m_sysexData[10]; |
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| 354 | int ff = msg.m_sysexData[11]; |
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| 355 | char tmp[200]; |
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| 356 | sprintf( tmp, "[handleSysexMessage] GOTO %d:%d:%d:%d:%d", hr, mn, sc, fr, ff ); |
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| 357 | INFOLOG( tmp ); |
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| 358 | |
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| 359 | } else { |
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| 360 | // sysex dump |
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| 361 | QString sDump; |
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| 362 | char tmpChar[64]; |
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| 363 | for ( int i = 0; i < ( int )msg.m_sysexData.size(); ++i ) { |
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| 364 | sprintf( tmpChar, "%X ", ( int )msg.m_sysexData[ i ] ); |
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| 365 | sDump += tmpChar; |
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| 366 | } |
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| 367 | WARNINGLOG( QString( "Unknown SysEx message: (%1) [%2]" ).arg( msg.m_sysexData.size() ).arg( sDump ) ); |
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| 368 | } |
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| 369 | } |
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| 370 | |
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| 371 | }; |
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