From f6cabfe8fe888e00388a815541084b0fa332a462 Mon Sep 17 00:00:00 2001 From: deva Date: Tue, 22 Jul 2008 21:00:01 +0000 Subject: DrumKit parser. Internal drumkit now used in events. This is the first milestone. --- src/midimapper.cc | 46 ++++++++++++++++++++-------------------------- 1 file changed, 20 insertions(+), 26 deletions(-) (limited to 'src/midimapper.cc') diff --git a/src/midimapper.cc b/src/midimapper.cc index b17a351..727074b 100644 --- a/src/midimapper.cc +++ b/src/midimapper.cc @@ -28,9 +28,9 @@ #define NOTE_ON 0x90 -MidiMapper::MidiMapper() +MidiMapper::MidiMapper(DrumKit *drumkit) { - // for(int i = 0; i < 255; i++) _map[i] = 1; + this->drumkit = drumkit; /* 35 Acoustic Bass Drum 59 Ride Cymbal 2 36 Bass Drum 1 60 Hi Bongo @@ -53,29 +53,25 @@ MidiMapper::MidiMapper() 53 Ride Bell 77 Low Wood Block 54 Tambourine 78 Mute Cuica 55 Splash Cymbal 79 Open Cuica -56 Cowbell 80 Mute Triangle +56 Cowbell 80 Mute Triangle 57 Crash Cymbal 2 81 Open Triangle 58 Vibraslap */ - _map[36] = 0; // kick - _map[38] = 1; // snare - _map[49] = 2; // crash1 - _map[50] = 3; // tom1 - _map[48] = 3; // tom2 - _map[47] = 3; // tom3 - _map[45] = 4; // tom4 - _map[43] = 5; // tom5 - _map[41] = 6; // tom6 - _map[46] = 7; // open hihat - _map[57] = 8; // crash2 - _map[51] = 9; // ride 1 - _map[53] = 9; // ride bell - _map[59] = 9; // ride 2 } //http://ccrma-www.stanford.edu/~craig/articles/linuxmidi/misc/essenmidi.html -int MidiMapper::map(jack_midi_event_t event) +Sample *MidiMapper::map(jack_midi_event_t event) { + Sample *sample = NULL; + + if(event.size != 3) return NULL; + if(event.buffer[0] != NOTE_ON) return NULL; + + int key = event.buffer[1]; + int velocity = event.buffer[2]; + + if(velocity == 0) return NULL; + // Parse midi event printf("[ Time: %d Size: %d ", event.time, event.size); for(size_t j = 0; j < event.size; j++) { @@ -84,14 +80,12 @@ int MidiMapper::map(jack_midi_event_t event) } 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(drumkit->instruments.find(key) == drumkit->instruments.end()) return NULL; - if(velocity == 0) return -1; - if(_map.find(key) == _map.end()) return -1; // key is not in map. + Velocity *v = drumkit->instruments[key]->getVelocity(velocity); + + if(!v) return NULL; + sample = v->getSample(); - return _map[key]; + return sample; } -- cgit v1.2.3