/*
* Created on 5 Sep 2007
*
* Copyright (c) 2004-2007 Paul John Leonard
*
* http://www.frinika.com
*
* This file is part of Frinika.
*
* Frinika 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.
* Frinika 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 Frinika; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package com.frinika.audio.toot;
import javax.sound.midi.ShortMessage;
public class MidiHashUtil {
static public long hashValue(ShortMessage mess) {
long chn = mess.getChannel();
long cmd = mess.getCommand();
long cntrl;
if (cmd == ShortMessage.CONTROL_CHANGE)
cntrl = mess.getData1();
else if (cmd == ShortMessage.PITCH_BEND)
cntrl = 0;
else {
System.out.println(" Don't know what to do with " + mess);
return -1;
}
return ((chn << 8 + cmd) << 8) + cntrl;
}
static public void hashDisp(long hash) {
long cntrl = hash & 0xFF;
long cmd = (hash & 0xFF00) >> 8;
long chn = (hash & 0xFF00) >> 16;
System.out.println(chn + " " + cmd + " " + cntrl);
}
}