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Carla/source/native-plugins/zynaddsubfx/Nio/MidiIn.cpp

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  1. /*

  2.   ZynAddSubFX - a software synthesizer

  3. 

  4.   MidiIn.C - This class is inherited by all the Midi input classes

  5.   Copyright (C) 2002-2005 Nasca Octavian Paul

  6.   Author: Nasca Octavian Paul

  7. 

  8.   This program is free software; you can redistribute it and/or

  9.   modify it under the terms of the GNU General Public License

  10.   as published by the Free Software Foundation; either version 2

  11.   of the License, or (at your option) any later version.

  12. */

  13. 

  14. #include "MidiIn.h"

  15. #include "../globals.h"

  16. #include "InMgr.h"

  17. 

  18. void MidiIn::midiProcess(unsigned char head,

  19.                          unsigned char num,

  20.                          unsigned char value)

  21. {

  22.     MidiEvent     ev;

  23.     unsigned char chan = head & 0x0f;

  24.     switch(head & 0xf0) {

  25.         case 0x80: //Note Off

  26.             ev.type    = M_NOTE;

  27.             ev.channel = chan;

  28.             ev.num     = num;

  29.             ev.value   = 0;

  30.             InMgr::getInstance().putEvent(ev);

  31.             break;

  32.         case 0x90: //Note On

  33.             ev.type    = M_NOTE;

  34.             ev.channel = chan;

  35.             ev.num     = num;

  36.             ev.value   = value;

  37.             InMgr::getInstance().putEvent(ev);

  38.             break;

  39.         case 0xA0: /* pressure, aftertouch */

  40.             ev.type    = M_PRESSURE;

  41.             ev.channel = chan;

  42.             ev.num     = num;

  43.             ev.value   = value;

  44.             InMgr::getInstance().putEvent(ev);

  45.             break;

  46.         case 0xb0: //Controller

  47.             ev.type    = M_CONTROLLER;

  48.             ev.channel = chan;

  49.             ev.num     = num;

  50.             ev.value   = value;

  51.             InMgr::getInstance().putEvent(ev);

  52.             break;

  53.         case 0xc0: //Program Change

  54.             ev.type    = M_PGMCHANGE;

  55.             ev.channel = chan;

  56.             ev.num     = num;

  57.             ev.value   = 0;

  58.             InMgr::getInstance().putEvent(ev);

  59.             break;

  60.         case 0xe0: //Pitch Wheel

  61.             ev.type    = M_CONTROLLER;

  62.             ev.channel = chan;

  63.             ev.num     = C_pitchwheel;

  64.             ev.value   = (num + value * (int) 128) - 8192;

  65.             InMgr::getInstance().putEvent(ev);

  66.             break;

  67.     }

  68. }