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/*
* Copyright 2010 Phil Burk, Mobileer Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.jsyn.midi;
/**
* Parse the message and call the appropriate method to handle it.
*
* @author Phil Burk (C) 2010 Mobileer Inc
*/
public class MessageParser {
public void parse(byte[] message) {
int status = message[0];
int command = status & 0xF0;
int channel = status & 0x0F;
switch (command) {
case MidiConstants.NOTE_ON:
int velocity = message[2];
if (velocity == 0) {
noteOff(channel, message[1], velocity);
} else {
noteOn(channel, message[1], velocity);
}
break;
case MidiConstants.NOTE_OFF:
noteOff(channel, message[1], message[2]);
break;
case MidiConstants.CONTROL_CHANGE:
controlChange(channel, message[1], message[2]);
break;
case MidiConstants.PITCH_BEND:
int bend = (((message[2]) & 0x007F) << 7) + ((message[1]) & 0x007F);
pitchBend(channel, bend);
break;
}
}
public void pitchBend(int channel, int bend) {
}
public void controlChange(int channel, int index, int value) {
}
public void noteOn(int channel, int pitch, int velocity) {
}
public void noteOff(int channel, int pitch, int velocity) {
}
}
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