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Diffstat (limited to 'src/midimapper.cc')
-rw-r--r-- | src/midimapper.cc | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/midimapper.cc b/src/midimapper.cc new file mode 100644 index 0000000..ed8c252 --- /dev/null +++ b/src/midimapper.cc @@ -0,0 +1,56 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + * midimapper.cc + * + * Mon Jul 21 15:24:08 CEST 2008 + * Copyright 2008 Bent Bisballe Nyeng + * deva@aasimon.org + ****************************************************************************/ + +/* + * This file is part of DrumGizmo. + * + * DrumGizmo is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * DrumGizmo is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with DrumGizmo; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ +#include "midimapper.h" + +#define NOTE_ON 0x90 + +MidiMapper::MidiMapper() +{ + for(int i = 0; i < 16; i++) _map[i] = i % 2; +} + +//http://ccrma-www.stanford.edu/~craig/articles/linuxmidi/misc/essenmidi.html +int MidiMapper::map(jack_midi_event_t event) +{ + // Parse midi event + printf("[ Time: %d Size: %d ", event.time, event.size); + for(size_t j = 0; j < event.size; j++) { + jack_midi_data_t m = event.buffer[j]; + printf(" Data: %d ", m); + } + printf("]\n"); + + if(event.size == 3) return -1; + if(event.buffer[0] != NOTE_ON) return -1; + + int key = event.buffer[1]; + // int velocity = event.buffer[2]; + + if(_map.find(key) == _map.end()) return -1; // key is not in map. + + return _map[key]; +} |