diff options
Diffstat (limited to 'src/com/jsyn/midi/MessageParser.java')
-rw-r--r-- | src/com/jsyn/midi/MessageParser.java | 90 |
1 files changed, 85 insertions, 5 deletions
diff --git a/src/com/jsyn/midi/MessageParser.java b/src/com/jsyn/midi/MessageParser.java index 43d10c8..d0f5d4d 100644 --- a/src/com/jsyn/midi/MessageParser.java +++ b/src/com/jsyn/midi/MessageParser.java @@ -4,9 +4,9 @@ * 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. @@ -18,10 +18,15 @@ 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 { + private int[] parameterIndices = new int[MidiConstants.MAX_CHANNELS]; + private int[] parameterValues = new int[MidiConstants.MAX_CHANNELS]; + private int BIT_NON_RPM = 1 << 14; + private int MASK_14BIT = (1 << 14) - 1; + public void parse(byte[] message) { int status = message[0]; int command = status & 0xF0; @@ -41,27 +46,102 @@ public class MessageParser { noteOff(channel, message[1], message[2]); break; + case MidiConstants.POLYPHONIC_AFTERTOUCH: + polyphonicAftertouch(channel, message[1], message[2]); + break; + + case MidiConstants.CHANNEL_PRESSURE: + channelPressure(channel, message[1]); + break; + case MidiConstants.CONTROL_CHANGE: - controlChange(channel, message[1], message[2]); + rawControlChange(channel, message[1], message[2]); + break; + + case MidiConstants.PROGRAM_CHANGE: + programChange(channel, message[1]); break; case MidiConstants.PITCH_BEND: - int bend = (((message[2]) & 0x007F) << 7) + ((message[1]) & 0x007F); + int bend = (message[2] << 7) + message[1]; pitchBend(channel, bend); break; } } + public void rawControlChange(int channel, int index, int value) { + int paramIndex; + int paramValue; + switch(index) { + case MidiConstants.CONTROLLER_DATA_ENTRY: + parameterValues[channel] = value << 7; + fireParameterChange(channel); + break; + case MidiConstants.CONTROLLER_DATA_ENTRY_LSB: + paramValue = parameterValues[channel] & ~0x7F; + paramValue |= value; + parameterValues[channel] = paramValue; + fireParameterChange(channel); + break; + case MidiConstants.CONTROLLER_NRPN_LSB: + paramIndex = parameterIndices[channel] & ~0x7F; + paramIndex |= value | BIT_NON_RPM; + parameterIndices[channel] = paramIndex; + break; + case MidiConstants.CONTROLLER_NRPN_MSB: + parameterIndices[channel] = (value << 7) | BIT_NON_RPM;; + break; + case MidiConstants.CONTROLLER_RPN_LSB: + paramIndex = parameterIndices[channel] & ~0x7F; + paramIndex |= value; + parameterIndices[channel] = paramIndex; + break; + case MidiConstants.CONTROLLER_RPN_MSB: + parameterIndices[channel] = value << 7; + break; + default: + controlChange(channel, index, value); + break; + + } + } + + private void fireParameterChange(int channel) { + int paramIndex; + paramIndex = parameterIndices[channel]; + if ((paramIndex & BIT_NON_RPM) == 0) { + registeredParameter(channel, paramIndex, parameterValues[channel]); + } else { + nonRegisteredParameter(channel, paramIndex & MASK_14BIT, parameterValues[channel]); + } + } + + public void nonRegisteredParameter(int channel, int index14, int value14) { + } + + public void registeredParameter(int channel, int index14, int value14) { + } + public void pitchBend(int channel, int bend) { } + public void programChange(int channel, int program) { + } + + public void polyphonicAftertouch(int channel, int pitch, int pressure) { + } + + public void channelPressure(int channel, int pressure) { + } + public void controlChange(int channel, int index, int value) { } public void noteOn(int channel, int pitch, int velocity) { } + // If a NOTE_ON with zero velocity is received then noteOff will be called. public void noteOff(int channel, int pitch, int velocity) { } } |