author | amenkov |
Mon, 28 Feb 2011 18:36:33 +0300 | |
changeset 8525 | 08f98f5a11df |
parent 6832 | cb693e02b3ed |
child 8528 | f496950c5d98 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
5506 | 2 |
* Copyright (c) 2003, 2007, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package com.sun.media.sound; |
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import java.io.ByteArrayOutputStream; |
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import java.io.ByteArrayInputStream; |
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import java.io.DataOutputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.util.ArrayList; |
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import java.util.List; |
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import javax.sound.midi.*; |
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/** |
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* A Real Time Sequencer |
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* |
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* @author Florian Bomers |
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*/ |
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/* TODO: |
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* - rename PlayThread to PlayEngine (because isn't a thread) |
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*/ |
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class RealTimeSequencer extends AbstractMidiDevice implements Sequencer, AutoConnectSequencer { |
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// STATIC VARIABLES |
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/** debugging flags */ |
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private final static boolean DEBUG_PUMP = false; |
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private final static boolean DEBUG_PUMP_ALL = false; |
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/** |
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* Event Dispatcher thread. Should be using a shared event |
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* dispatcher instance with a factory in EventDispatcher |
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*/ |
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private static final EventDispatcher eventDispatcher; |
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/** |
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* All RealTimeSequencers share this info object. |
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*/ |
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static final RealTimeSequencerInfo info = new RealTimeSequencerInfo(); |
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private static Sequencer.SyncMode[] masterSyncModes = { Sequencer.SyncMode.INTERNAL_CLOCK }; |
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private static Sequencer.SyncMode[] slaveSyncModes = { Sequencer.SyncMode.NO_SYNC }; |
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private static Sequencer.SyncMode masterSyncMode = Sequencer.SyncMode.INTERNAL_CLOCK; |
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private static Sequencer.SyncMode slaveSyncMode = Sequencer.SyncMode.NO_SYNC; |
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/** |
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* Sequence on which this sequencer is operating. |
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*/ |
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private Sequence sequence = null; |
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// caches |
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/** |
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* Same for setTempoInMPQ... |
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* -1 means not set. |
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*/ |
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private double cacheTempoMPQ = -1; |
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/** |
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* cache value for tempo factor until sequence is set |
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* -1 means not set. |
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*/ |
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private float cacheTempoFactor = -1; |
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/** if a particular track is muted */ |
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private boolean[] trackMuted = null; |
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/** if a particular track is solo */ |
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private boolean[] trackSolo = null; |
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/** tempo cache for getMicrosecondPosition */ |
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private MidiUtils.TempoCache tempoCache = new MidiUtils.TempoCache(); |
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/** |
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* True if the sequence is running. |
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*/ |
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private boolean running = false; |
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/** the thread for pushing out the MIDI messages */ |
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private PlayThread playThread; |
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/** |
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* True if we are recording |
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*/ |
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private boolean recording = false; |
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/** |
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* List of tracks to which we're recording |
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*/ |
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private List recordingTracks = new ArrayList(); |
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private long loopStart = 0; |
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private long loopEnd = -1; |
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private int loopCount = 0; |
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/** |
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* Meta event listeners |
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*/ |
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private ArrayList metaEventListeners = new ArrayList(); |
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/** |
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* Control change listeners |
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*/ |
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private ArrayList controllerEventListeners = new ArrayList(); |
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/** automatic connection support */ |
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private boolean autoConnect = false; |
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/** if we need to autoconnect at next open */ |
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private boolean doAutoConnectAtNextOpen = false; |
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/** the receiver that this device is auto-connected to */ |
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Receiver autoConnectedReceiver = null; |
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static { |
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// create and start the global event thread |
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eventDispatcher = new EventDispatcher(); |
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eventDispatcher.start(); |
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} |
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/* ****************************** CONSTRUCTOR ****************************** */ |
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protected RealTimeSequencer() throws MidiUnavailableException { |
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super(info); |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer CONSTRUCTOR"); |
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if (Printer.trace) Printer.trace("<< RealTimeSequencer CONSTRUCTOR completed"); |
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} |
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/* ****************************** SEQUENCER METHODS ******************** */ |
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public synchronized void setSequence(Sequence sequence) |
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throws InvalidMidiDataException { |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: setSequence(" + sequence +")"); |
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if (sequence != this.sequence) { |
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if (this.sequence != null && sequence == null) { |
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setCaches(); |
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stop(); |
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// initialize some non-cached values |
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trackMuted = null; |
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trackSolo = null; |
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loopStart = 0; |
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loopEnd = -1; |
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loopCount = 0; |
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if (getDataPump() != null) { |
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getDataPump().setTickPos(0); |
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getDataPump().resetLoopCount(); |
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} |
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} |
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if (playThread != null) { |
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playThread.setSequence(sequence); |
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} |
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// store this sequence (do not copy - we want to give the possibility |
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// of modifying the sequence at runtime) |
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this.sequence = sequence; |
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if (sequence != null) { |
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tempoCache.refresh(sequence); |
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// rewind to the beginning |
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setTickPosition(0); |
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// propagate caches |
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propagateCaches(); |
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} |
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} |
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else if (sequence != null) { |
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tempoCache.refresh(sequence); |
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if (playThread != null) { |
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playThread.setSequence(sequence); |
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} |
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} |
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if (Printer.trace) Printer.trace("<< RealTimeSequencer: setSequence(" + sequence +") completed"); |
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} |
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public synchronized void setSequence(InputStream stream) throws IOException, InvalidMidiDataException { |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: setSequence(" + stream +")"); |
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if (stream == null) { |
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setSequence((Sequence) null); |
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return; |
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} |
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Sequence seq = MidiSystem.getSequence(stream); // can throw IOException, InvalidMidiDataException |
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setSequence(seq); |
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if (Printer.trace) Printer.trace("<< RealTimeSequencer: setSequence(" + stream +") completed"); |
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} |
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public Sequence getSequence() { |
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return sequence; |
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} |
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public synchronized void start() { |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: start()"); |
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// sequencer not open: throw an exception |
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if (!isOpen()) { |
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throw new IllegalStateException("sequencer not open"); |
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} |
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// sequence not available: throw an exception |
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if (sequence == null) { |
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throw new IllegalStateException("sequence not set"); |
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} |
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// already running: return quietly |
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if (running == true) { |
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return; |
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} |
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// start playback |
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implStart(); |
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if (Printer.trace) Printer.trace("<< RealTimeSequencer: start() completed"); |
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} |
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public synchronized void stop() { |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: stop()"); |
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if (!isOpen()) { |
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throw new IllegalStateException("sequencer not open"); |
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} |
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stopRecording(); |
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// not running; just return |
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if (running == false) { |
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if (Printer.trace) Printer.trace("<< RealTimeSequencer: stop() not running!"); |
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return; |
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} |
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// stop playback |
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implStop(); |
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if (Printer.trace) Printer.trace("<< RealTimeSequencer: stop() completed"); |
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} |
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public boolean isRunning() { |
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return running; |
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} |
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public void startRecording() { |
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if (!isOpen()) { |
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throw new IllegalStateException("Sequencer not open"); |
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} |
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start(); |
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recording = true; |
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} |
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public void stopRecording() { |
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if (!isOpen()) { |
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throw new IllegalStateException("Sequencer not open"); |
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} |
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recording = false; |
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} |
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public boolean isRecording() { |
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return recording; |
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} |
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public void recordEnable(Track track, int channel) { |
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if (!findTrack(track)) { |
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throw new IllegalArgumentException("Track does not exist in the current sequence"); |
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} |
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synchronized(recordingTracks) { |
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RecordingTrack rc = RecordingTrack.get(recordingTracks, track); |
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if (rc != null) { |
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rc.channel = channel; |
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} else { |
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recordingTracks.add(new RecordingTrack(track, channel)); |
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} |
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} |
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} |
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public void recordDisable(Track track) { |
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synchronized(recordingTracks) { |
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RecordingTrack rc = RecordingTrack.get(recordingTracks, track); |
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if (rc != null) { |
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recordingTracks.remove(rc); |
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} |
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} |
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} |
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private boolean findTrack(Track track) { |
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boolean found = false; |
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if (sequence != null) { |
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Track[] tracks = sequence.getTracks(); |
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for (int i = 0; i < tracks.length; i++) { |
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if (track == tracks[i]) { |
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found = true; |
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break; |
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} |
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} |
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} |
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return found; |
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} |
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public float getTempoInBPM() { |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: getTempoInBPM() "); |
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return (float) MidiUtils.convertTempo(getTempoInMPQ()); |
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} |
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public void setTempoInBPM(float bpm) { |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: setTempoInBPM() "); |
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if (bpm <= 0) { |
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// should throw IllegalArgumentException |
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bpm = 1.0f; |
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} |
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setTempoInMPQ((float) MidiUtils.convertTempo((double) bpm)); |
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} |
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public float getTempoInMPQ() { |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: getTempoInMPQ() "); |
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if (needCaching()) { |
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// if the sequencer is closed, return cached value |
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if (cacheTempoMPQ != -1) { |
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return (float) cacheTempoMPQ; |
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} |
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// if sequence is set, return current tempo |
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if (sequence != null) { |
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return tempoCache.getTempoMPQAt(getTickPosition()); |
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} |
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391 |
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// last resort: return a standard tempo: 120bpm |
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return (float) MidiUtils.DEFAULT_TEMPO_MPQ; |
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} |
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return (float)getDataPump().getTempoMPQ(); |
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} |
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397 |
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398 |
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public void setTempoInMPQ(float mpq) { |
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400 |
if (mpq <= 0) { |
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401 |
// should throw IllegalArgumentException |
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mpq = 1.0f; |
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} |
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404 |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: setTempoInMPQ() "); |
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406 |
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407 |
if (needCaching()) { |
|
408 |
// cache the value |
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409 |
cacheTempoMPQ = mpq; |
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} else { |
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411 |
// set the native tempo in MPQ |
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412 |
getDataPump().setTempoMPQ(mpq); |
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413 |
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// reset the tempoInBPM and tempoInMPQ values so we won't use them again |
|
415 |
cacheTempoMPQ = -1; |
|
416 |
} |
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} |
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418 |
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419 |
||
420 |
public void setTempoFactor(float factor) { |
|
421 |
if (factor <= 0) { |
|
422 |
// should throw IllegalArgumentException |
|
423 |
return; |
|
424 |
} |
|
425 |
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426 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: setTempoFactor() "); |
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427 |
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428 |
if (needCaching()) { |
|
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cacheTempoFactor = factor; |
|
430 |
} else { |
|
431 |
getDataPump().setTempoFactor(factor); |
|
432 |
// don't need cache anymore |
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cacheTempoFactor = -1; |
|
434 |
} |
|
435 |
} |
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436 |
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437 |
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public float getTempoFactor() { |
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439 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: getTempoFactor() "); |
|
440 |
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441 |
if (needCaching()) { |
|
442 |
if (cacheTempoFactor != -1) { |
|
443 |
return cacheTempoFactor; |
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} |
|
445 |
return 1.0f; |
|
446 |
} |
|
447 |
return getDataPump().getTempoFactor(); |
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} |
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449 |
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450 |
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451 |
public long getTickLength() { |
|
452 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: getTickLength() "); |
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453 |
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454 |
if (sequence == null) { |
|
455 |
return 0; |
|
456 |
} |
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457 |
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458 |
return sequence.getTickLength(); |
|
459 |
} |
|
460 |
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461 |
||
462 |
public synchronized long getTickPosition() { |
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463 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: getTickPosition() "); |
|
464 |
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465 |
if (getDataPump() == null || sequence == null) { |
|
466 |
return 0; |
|
467 |
} |
|
468 |
||
469 |
return getDataPump().getTickPos(); |
|
470 |
} |
|
471 |
||
472 |
||
473 |
public synchronized void setTickPosition(long tick) { |
|
474 |
if (tick < 0) { |
|
475 |
// should throw IllegalArgumentException |
|
476 |
return; |
|
477 |
} |
|
478 |
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479 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: setTickPosition("+tick+") "); |
|
480 |
||
481 |
if (getDataPump() == null) { |
|
482 |
if (tick != 0) { |
|
483 |
// throw new InvalidStateException("cannot set position in closed state"); |
|
484 |
} |
|
485 |
} |
|
486 |
else if (sequence == null) { |
|
487 |
if (tick != 0) { |
|
488 |
// throw new InvalidStateException("cannot set position if sequence is not set"); |
|
489 |
} |
|
490 |
} else { |
|
491 |
getDataPump().setTickPos(tick); |
|
492 |
} |
|
493 |
} |
|
494 |
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495 |
||
496 |
public long getMicrosecondLength() { |
|
497 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: getMicrosecondLength() "); |
|
498 |
||
499 |
if (sequence == null) { |
|
500 |
return 0; |
|
501 |
} |
|
502 |
||
503 |
return sequence.getMicrosecondLength(); |
|
504 |
} |
|
505 |
||
506 |
||
507 |
public long getMicrosecondPosition() { |
|
508 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: getMicrosecondPosition() "); |
|
509 |
||
510 |
if (getDataPump() == null || sequence == null) { |
|
511 |
return 0; |
|
512 |
} |
|
513 |
synchronized (tempoCache) { |
|
514 |
return MidiUtils.tick2microsecond(sequence, getDataPump().getTickPos(), tempoCache); |
|
515 |
} |
|
516 |
} |
|
517 |
||
518 |
||
519 |
public void setMicrosecondPosition(long microseconds) { |
|
520 |
if (microseconds < 0) { |
|
521 |
// should throw IllegalArgumentException |
|
522 |
return; |
|
523 |
} |
|
524 |
||
525 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: setMicrosecondPosition("+microseconds+") "); |
|
526 |
||
527 |
if (getDataPump() == null) { |
|
528 |
if (microseconds != 0) { |
|
529 |
// throw new InvalidStateException("cannot set position in closed state"); |
|
530 |
} |
|
531 |
} |
|
532 |
else if (sequence == null) { |
|
533 |
if (microseconds != 0) { |
|
534 |
// throw new InvalidStateException("cannot set position if sequence is not set"); |
|
535 |
} |
|
536 |
} else { |
|
537 |
synchronized(tempoCache) { |
|
538 |
setTickPosition(MidiUtils.microsecond2tick(sequence, microseconds, tempoCache)); |
|
539 |
} |
|
540 |
} |
|
541 |
} |
|
542 |
||
543 |
||
544 |
public void setMasterSyncMode(Sequencer.SyncMode sync) { |
|
545 |
// not supported |
|
546 |
} |
|
547 |
||
548 |
||
549 |
public Sequencer.SyncMode getMasterSyncMode() { |
|
550 |
return masterSyncMode; |
|
551 |
} |
|
552 |
||
553 |
||
554 |
public Sequencer.SyncMode[] getMasterSyncModes() { |
|
555 |
Sequencer.SyncMode[] returnedModes = new Sequencer.SyncMode[masterSyncModes.length]; |
|
556 |
System.arraycopy(masterSyncModes, 0, returnedModes, 0, masterSyncModes.length); |
|
557 |
return returnedModes; |
|
558 |
} |
|
559 |
||
560 |
||
561 |
public void setSlaveSyncMode(Sequencer.SyncMode sync) { |
|
562 |
// not supported |
|
563 |
} |
|
564 |
||
565 |
||
566 |
public Sequencer.SyncMode getSlaveSyncMode() { |
|
567 |
return slaveSyncMode; |
|
568 |
} |
|
569 |
||
570 |
||
571 |
public Sequencer.SyncMode[] getSlaveSyncModes() { |
|
572 |
Sequencer.SyncMode[] returnedModes = new Sequencer.SyncMode[slaveSyncModes.length]; |
|
573 |
System.arraycopy(slaveSyncModes, 0, returnedModes, 0, slaveSyncModes.length); |
|
574 |
return returnedModes; |
|
575 |
} |
|
576 |
||
577 |
protected int getTrackCount() { |
|
578 |
Sequence seq = getSequence(); |
|
579 |
if (seq != null) { |
|
580 |
// $$fb wish there was a nicer way to get the number of tracks... |
|
581 |
return sequence.getTracks().length; |
|
582 |
} |
|
583 |
return 0; |
|
584 |
} |
|
585 |
||
586 |
||
587 |
||
588 |
public synchronized void setTrackMute(int track, boolean mute) { |
|
589 |
int trackCount = getTrackCount(); |
|
590 |
if (track < 0 || track >= getTrackCount()) return; |
|
591 |
trackMuted = ensureBoolArraySize(trackMuted, trackCount); |
|
592 |
trackMuted[track] = mute; |
|
593 |
if (getDataPump() != null) { |
|
594 |
getDataPump().muteSoloChanged(); |
|
595 |
} |
|
596 |
} |
|
597 |
||
598 |
||
599 |
public synchronized boolean getTrackMute(int track) { |
|
600 |
if (track < 0 || track >= getTrackCount()) return false; |
|
601 |
if (trackMuted == null || trackMuted.length <= track) return false; |
|
602 |
return trackMuted[track]; |
|
603 |
} |
|
604 |
||
605 |
||
606 |
public synchronized void setTrackSolo(int track, boolean solo) { |
|
607 |
int trackCount = getTrackCount(); |
|
608 |
if (track < 0 || track >= getTrackCount()) return; |
|
609 |
trackSolo = ensureBoolArraySize(trackSolo, trackCount); |
|
610 |
trackSolo[track] = solo; |
|
611 |
if (getDataPump() != null) { |
|
612 |
getDataPump().muteSoloChanged(); |
|
613 |
} |
|
614 |
} |
|
615 |
||
616 |
||
617 |
public synchronized boolean getTrackSolo(int track) { |
|
618 |
if (track < 0 || track >= getTrackCount()) return false; |
|
619 |
if (trackSolo == null || trackSolo.length <= track) return false; |
|
620 |
return trackSolo[track]; |
|
621 |
} |
|
622 |
||
623 |
||
624 |
public boolean addMetaEventListener(MetaEventListener listener) { |
|
625 |
synchronized(metaEventListeners) { |
|
626 |
if (! metaEventListeners.contains(listener)) { |
|
627 |
||
628 |
metaEventListeners.add(listener); |
|
629 |
} |
|
630 |
return true; |
|
631 |
} |
|
632 |
} |
|
633 |
||
634 |
||
635 |
public void removeMetaEventListener(MetaEventListener listener) { |
|
636 |
synchronized(metaEventListeners) { |
|
637 |
int index = metaEventListeners.indexOf(listener); |
|
638 |
if (index >= 0) { |
|
639 |
metaEventListeners.remove(index); |
|
640 |
} |
|
641 |
} |
|
642 |
} |
|
643 |
||
644 |
||
645 |
public int[] addControllerEventListener(ControllerEventListener listener, int[] controllers) { |
|
646 |
synchronized(controllerEventListeners) { |
|
647 |
||
648 |
// first find the listener. if we have one, add the controllers |
|
649 |
// if not, create a new element for it. |
|
650 |
ControllerListElement cve = null; |
|
651 |
boolean flag = false; |
|
652 |
for(int i=0; i < controllerEventListeners.size(); i++) { |
|
653 |
||
654 |
cve = (ControllerListElement) controllerEventListeners.get(i); |
|
655 |
||
656 |
if (cve.listener.equals(listener)) { |
|
657 |
cve.addControllers(controllers); |
|
658 |
flag = true; |
|
659 |
break; |
|
660 |
} |
|
661 |
} |
|
662 |
if (!flag) { |
|
663 |
cve = new ControllerListElement(listener, controllers); |
|
664 |
controllerEventListeners.add(cve); |
|
665 |
} |
|
666 |
||
667 |
// and return all the controllers this listener is interested in |
|
668 |
return cve.getControllers(); |
|
669 |
} |
|
670 |
} |
|
671 |
||
672 |
||
673 |
public int[] removeControllerEventListener(ControllerEventListener listener, int[] controllers) { |
|
674 |
synchronized(controllerEventListeners) { |
|
675 |
ControllerListElement cve = null; |
|
676 |
boolean flag = false; |
|
677 |
for (int i=0; i < controllerEventListeners.size(); i++) { |
|
678 |
cve = (ControllerListElement) controllerEventListeners.get(i); |
|
679 |
if (cve.listener.equals(listener)) { |
|
680 |
cve.removeControllers(controllers); |
|
681 |
flag = true; |
|
682 |
break; |
|
683 |
} |
|
684 |
} |
|
685 |
if (!flag) { |
|
686 |
return new int[0]; |
|
687 |
} |
|
688 |
if (controllers == null) { |
|
689 |
int index = controllerEventListeners.indexOf(cve); |
|
690 |
if (index >= 0) { |
|
691 |
controllerEventListeners.remove(index); |
|
692 |
} |
|
693 |
return new int[0]; |
|
694 |
} |
|
695 |
return cve.getControllers(); |
|
696 |
} |
|
697 |
} |
|
698 |
||
699 |
||
700 |
////////////////// LOOPING (added in 1.5) /////////////////////// |
|
701 |
||
702 |
public void setLoopStartPoint(long tick) { |
|
703 |
if ((tick > getTickLength()) |
|
704 |
|| ((loopEnd != -1) && (tick > loopEnd)) |
|
705 |
|| (tick < 0)) { |
|
706 |
throw new IllegalArgumentException("invalid loop start point: "+tick); |
|
707 |
} |
|
708 |
loopStart = tick; |
|
709 |
} |
|
710 |
||
711 |
public long getLoopStartPoint() { |
|
712 |
return loopStart; |
|
713 |
} |
|
714 |
||
715 |
public void setLoopEndPoint(long tick) { |
|
716 |
if ((tick > getTickLength()) |
|
717 |
|| ((loopStart > tick) && (tick != -1)) |
|
718 |
|| (tick < -1)) { |
|
719 |
throw new IllegalArgumentException("invalid loop end point: "+tick); |
|
720 |
} |
|
721 |
loopEnd = tick; |
|
722 |
} |
|
723 |
||
724 |
public long getLoopEndPoint() { |
|
725 |
return loopEnd; |
|
726 |
} |
|
727 |
||
728 |
public void setLoopCount(int count) { |
|
729 |
if (count != LOOP_CONTINUOUSLY |
|
730 |
&& count < 0) { |
|
731 |
throw new IllegalArgumentException("illegal value for loop count: "+count); |
|
732 |
} |
|
733 |
loopCount = count; |
|
734 |
if (getDataPump() != null) { |
|
735 |
getDataPump().resetLoopCount(); |
|
736 |
} |
|
737 |
} |
|
738 |
||
739 |
public int getLoopCount() { |
|
740 |
return loopCount; |
|
741 |
} |
|
742 |
||
743 |
||
744 |
/* *********************************** play control ************************* */ |
|
745 |
||
746 |
/* |
|
747 |
*/ |
|
748 |
protected void implOpen() throws MidiUnavailableException { |
|
749 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: implOpen()"); |
|
750 |
||
751 |
//openInternalSynth(); |
|
752 |
||
753 |
// create PlayThread |
|
754 |
playThread = new PlayThread(); |
|
755 |
||
756 |
//id = nOpen(); |
|
757 |
//if (id == 0) { |
|
758 |
// throw new MidiUnavailableException("unable to open sequencer"); |
|
759 |
//} |
|
760 |
if (sequence != null) { |
|
761 |
playThread.setSequence(sequence); |
|
762 |
} |
|
763 |
||
764 |
// propagate caches |
|
765 |
propagateCaches(); |
|
766 |
||
767 |
if (doAutoConnectAtNextOpen) { |
|
768 |
doAutoConnect(); |
|
769 |
} |
|
770 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: implOpen() succeeded"); |
|
771 |
} |
|
772 |
||
773 |
private void doAutoConnect() { |
|
774 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: doAutoConnect()"); |
|
775 |
Receiver rec = null; |
|
776 |
// first try to connect to the default synthesizer |
|
777 |
// IMPORTANT: this code needs to be synch'ed with |
|
778 |
// MidiSystem.getReceiver(boolean), because the same |
|
779 |
// algorithm needs to be used! |
|
780 |
try { |
|
781 |
Synthesizer synth = MidiSystem.getSynthesizer(); |
|
782 |
synth.open(); |
|
783 |
if (synth instanceof ReferenceCountingDevice) { |
|
784 |
rec = ((ReferenceCountingDevice) synth).getReceiverReferenceCounting(); |
|
785 |
} else { |
|
786 |
rec = synth.getReceiver(); |
|
787 |
} |
|
788 |
} catch (Exception e) { |
|
789 |
// something went wrong with synth |
|
790 |
} |
|
791 |
if (rec == null) { |
|
792 |
// then try to connect to the default Receiver |
|
793 |
try { |
|
794 |
rec = MidiSystem.getReceiver(); |
|
795 |
} catch (Exception e) { |
|
796 |
// something went wrong. Nothing to do then! |
|
797 |
} |
|
798 |
} |
|
799 |
if (rec != null) { |
|
800 |
autoConnectedReceiver = rec; |
|
801 |
try { |
|
802 |
getTransmitter().setReceiver(rec); |
|
803 |
} catch (Exception e) {} |
|
804 |
} |
|
805 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: doAutoConnect() succeeded"); |
|
806 |
} |
|
807 |
||
808 |
private synchronized void propagateCaches() { |
|
809 |
// only set caches if open and sequence is set |
|
810 |
if (sequence != null && isOpen()) { |
|
811 |
if (cacheTempoFactor != -1) { |
|
812 |
setTempoFactor(cacheTempoFactor); |
|
813 |
} |
|
814 |
if (cacheTempoMPQ == -1) { |
|
815 |
setTempoInMPQ((new MidiUtils.TempoCache(sequence)).getTempoMPQAt(getTickPosition())); |
|
816 |
} else { |
|
817 |
setTempoInMPQ((float) cacheTempoMPQ); |
|
818 |
} |
|
819 |
} |
|
820 |
} |
|
821 |
||
822 |
/** populate the caches with the current values */ |
|
823 |
private synchronized void setCaches() { |
|
824 |
cacheTempoFactor = getTempoFactor(); |
|
825 |
cacheTempoMPQ = getTempoInMPQ(); |
|
826 |
} |
|
827 |
||
828 |
||
829 |
||
830 |
protected synchronized void implClose() { |
|
831 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: implClose() "); |
|
832 |
||
833 |
if (playThread == null) { |
|
834 |
if (Printer.err) Printer.err("RealTimeSequencer.implClose() called, but playThread not instanciated!"); |
|
835 |
} else { |
|
836 |
// Interrupt playback loop. |
|
837 |
playThread.close(); |
|
838 |
playThread = null; |
|
839 |
} |
|
840 |
||
841 |
super.implClose(); |
|
842 |
||
843 |
sequence = null; |
|
844 |
running = false; |
|
845 |
cacheTempoMPQ = -1; |
|
846 |
cacheTempoFactor = -1; |
|
847 |
trackMuted = null; |
|
848 |
trackSolo = null; |
|
849 |
loopStart = 0; |
|
850 |
loopEnd = -1; |
|
851 |
loopCount = 0; |
|
852 |
||
853 |
/** if this sequencer is set to autoconnect, need to |
|
854 |
* re-establish the connection at next open! |
|
855 |
*/ |
|
856 |
doAutoConnectAtNextOpen = autoConnect; |
|
857 |
||
858 |
if (autoConnectedReceiver != null) { |
|
859 |
try { |
|
860 |
autoConnectedReceiver.close(); |
|
861 |
} catch (Exception e) {} |
|
862 |
autoConnectedReceiver = null; |
|
863 |
} |
|
864 |
||
865 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: implClose() completed"); |
|
866 |
} |
|
867 |
||
868 |
protected void implStart() { |
|
869 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: implStart()"); |
|
870 |
||
871 |
if (playThread == null) { |
|
872 |
if (Printer.err) Printer.err("RealTimeSequencer.implStart() called, but playThread not instanciated!"); |
|
873 |
return; |
|
874 |
} |
|
875 |
||
876 |
tempoCache.refresh(sequence); |
|
877 |
if (!running) { |
|
878 |
running = true; |
|
879 |
playThread.start(); |
|
880 |
} |
|
881 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: implStart() completed"); |
|
882 |
} |
|
883 |
||
884 |
||
885 |
protected void implStop() { |
|
886 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: implStop()"); |
|
887 |
||
888 |
if (playThread == null) { |
|
889 |
if (Printer.err) Printer.err("RealTimeSequencer.implStop() called, but playThread not instanciated!"); |
|
890 |
return; |
|
891 |
} |
|
892 |
||
893 |
recording = false; |
|
894 |
if (running) { |
|
895 |
running = false; |
|
896 |
playThread.stop(); |
|
897 |
} |
|
898 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: implStop() completed"); |
|
899 |
} |
|
900 |
||
901 |
||
902 |
/** |
|
903 |
* Send midi player events. |
|
904 |
* must not be synchronized on "this" |
|
905 |
*/ |
|
906 |
protected void sendMetaEvents(MidiMessage message) { |
|
907 |
if (metaEventListeners.size() == 0) return; |
|
908 |
||
909 |
//if (Printer.debug) Printer.debug("sending a meta event"); |
|
910 |
eventDispatcher.sendAudioEvents(message, metaEventListeners); |
|
911 |
} |
|
912 |
||
913 |
/** |
|
914 |
* Send midi player events. |
|
915 |
*/ |
|
916 |
protected void sendControllerEvents(MidiMessage message) { |
|
917 |
int size = controllerEventListeners.size(); |
|
918 |
if (size == 0) return; |
|
919 |
||
920 |
//if (Printer.debug) Printer.debug("sending a controller event"); |
|
921 |
||
922 |
if (! (message instanceof ShortMessage)) { |
|
923 |
if (Printer.debug) Printer.debug("sendControllerEvents: message is NOT instanceof ShortMessage!"); |
|
924 |
return; |
|
925 |
} |
|
926 |
ShortMessage msg = (ShortMessage) message; |
|
927 |
int controller = msg.getData1(); |
|
928 |
List sendToListeners = new ArrayList(); |
|
929 |
for (int i = 0; i < size; i++) { |
|
930 |
ControllerListElement cve = (ControllerListElement) controllerEventListeners.get(i); |
|
931 |
for(int j = 0; j < cve.controllers.length; j++) { |
|
932 |
if (cve.controllers[j] == controller) { |
|
933 |
sendToListeners.add(cve.listener); |
|
934 |
break; |
|
935 |
} |
|
936 |
} |
|
937 |
} |
|
938 |
eventDispatcher.sendAudioEvents(message, sendToListeners); |
|
939 |
} |
|
940 |
||
941 |
||
942 |
||
943 |
private boolean needCaching() { |
|
944 |
return !isOpen() || (sequence == null) || (playThread == null); |
|
945 |
} |
|
946 |
||
947 |
/** |
|
948 |
* return the data pump instance, owned by play thread |
|
949 |
* if playthread is null, return null. |
|
950 |
* This method is guaranteed to return non-null if |
|
951 |
* needCaching returns false |
|
952 |
*/ |
|
953 |
private DataPump getDataPump() { |
|
954 |
if (playThread != null) { |
|
955 |
return playThread.getDataPump(); |
|
956 |
} |
|
957 |
return null; |
|
958 |
} |
|
959 |
||
960 |
private MidiUtils.TempoCache getTempoCache() { |
|
961 |
return tempoCache; |
|
962 |
} |
|
963 |
||
964 |
private static boolean[] ensureBoolArraySize(boolean[] array, int desiredSize) { |
|
965 |
if (array == null) { |
|
966 |
return new boolean[desiredSize]; |
|
967 |
} |
|
968 |
if (array.length < desiredSize) { |
|
969 |
boolean[] newArray = new boolean[desiredSize]; |
|
970 |
System.arraycopy(array, 0, newArray, 0, array.length); |
|
971 |
return newArray; |
|
972 |
} |
|
973 |
return array; |
|
974 |
} |
|
975 |
||
976 |
||
977 |
// OVERRIDES OF ABSTRACT MIDI DEVICE METHODS |
|
978 |
||
979 |
protected boolean hasReceivers() { |
|
980 |
return true; |
|
981 |
} |
|
982 |
||
983 |
// for recording |
|
984 |
protected Receiver createReceiver() throws MidiUnavailableException { |
|
985 |
return new SequencerReceiver(); |
|
986 |
} |
|
987 |
||
988 |
||
989 |
protected boolean hasTransmitters() { |
|
990 |
return true; |
|
991 |
} |
|
992 |
||
993 |
||
994 |
protected Transmitter createTransmitter() throws MidiUnavailableException { |
|
995 |
return new SequencerTransmitter(); |
|
996 |
} |
|
997 |
||
998 |
||
999 |
// interface AutoConnectSequencer |
|
1000 |
public void setAutoConnect(Receiver autoConnectedReceiver) { |
|
1001 |
this.autoConnect = (autoConnectedReceiver != null); |
|
1002 |
this.autoConnectedReceiver = autoConnectedReceiver; |
|
1003 |
} |
|
1004 |
||
1005 |
||
1006 |
||
1007 |
// INNER CLASSES |
|
1008 |
||
1009 |
/** |
|
1010 |
* An own class to distinguish the class name from |
|
1011 |
* the transmitter of other devices |
|
1012 |
*/ |
|
1013 |
private class SequencerTransmitter extends BasicTransmitter { |
|
1014 |
private SequencerTransmitter() { |
|
1015 |
super(); |
|
1016 |
} |
|
1017 |
} |
|
1018 |
||
1019 |
||
1020 |
class SequencerReceiver extends AbstractReceiver { |
|
1021 |
||
1022 |
protected void implSend(MidiMessage message, long timeStamp) { |
|
1023 |
if (recording) { |
|
1024 |
long tickPos = 0; |
|
1025 |
||
1026 |
// convert timeStamp to ticks |
|
1027 |
if (timeStamp < 0) { |
|
1028 |
tickPos = getTickPosition(); |
|
1029 |
} else { |
|
1030 |
synchronized(tempoCache) { |
|
1031 |
tickPos = MidiUtils.microsecond2tick(sequence, timeStamp, tempoCache); |
|
1032 |
} |
|
1033 |
} |
|
1034 |
||
1035 |
// and record to the first matching Track |
|
1036 |
Track track = null; |
|
1037 |
// do not record real-time events |
|
1038 |
// see 5048381: NullPointerException when saving a MIDI sequence |
|
1039 |
if (message.getLength() > 1) { |
|
1040 |
if (message instanceof ShortMessage) { |
|
1041 |
ShortMessage sm = (ShortMessage) message; |
|
1042 |
// all real-time messages have 0xF in the high nibble of the status byte |
|
1043 |
if ((sm.getStatus() & 0xF0) != 0xF0) { |
|
1044 |
track = RecordingTrack.get(recordingTracks, sm.getChannel()); |
|
1045 |
} |
|
1046 |
} else { |
|
1047 |
// $$jb: where to record meta, sysex events? |
|
1048 |
// $$fb: the first recording track |
|
1049 |
track = RecordingTrack.get(recordingTracks, -1); |
|
1050 |
} |
|
1051 |
if (track != null) { |
|
1052 |
// create a copy of this message |
|
1053 |
if (message instanceof ShortMessage) { |
|
1054 |
message = new FastShortMessage((ShortMessage) message); |
|
1055 |
} else { |
|
1056 |
message = (MidiMessage) message.clone(); |
|
1057 |
} |
|
1058 |
||
1059 |
// create new MidiEvent |
|
1060 |
MidiEvent me = new MidiEvent(message, tickPos); |
|
1061 |
track.add(me); |
|
1062 |
} |
|
1063 |
} |
|
1064 |
} |
|
1065 |
} |
|
1066 |
} |
|
1067 |
||
1068 |
||
1069 |
private static class RealTimeSequencerInfo extends MidiDevice.Info { |
|
1070 |
||
1071 |
private static final String name = "Real Time Sequencer"; |
|
6832
cb693e02b3ed
6984047: sound sources needs vendor rebranding changes (jdk7 only)
amenkov
parents:
5506
diff
changeset
|
1072 |
private static final String vendor = "Oracle Corporation"; |
2 | 1073 |
private static final String description = "Software sequencer"; |
1074 |
private static final String version = "Version 1.0"; |
|
1075 |
||
1076 |
private RealTimeSequencerInfo() { |
|
1077 |
super(name, vendor, description, version); |
|
1078 |
} |
|
1079 |
} // class Info |
|
1080 |
||
1081 |
||
1082 |
private class ControllerListElement { |
|
1083 |
||
1084 |
// $$jb: using an array for controllers b/c its |
|
1085 |
// easier to deal with than turning all the |
|
1086 |
// ints into objects to use a Vector |
|
1087 |
int [] controllers; |
|
1088 |
ControllerEventListener listener; |
|
1089 |
||
1090 |
private ControllerListElement(ControllerEventListener listener, int[] controllers) { |
|
1091 |
||
1092 |
this.listener = listener; |
|
1093 |
if (controllers == null) { |
|
1094 |
controllers = new int[128]; |
|
1095 |
for (int i = 0; i < 128; i++) { |
|
1096 |
controllers[i] = i; |
|
1097 |
} |
|
1098 |
} |
|
1099 |
this.controllers = controllers; |
|
1100 |
} |
|
1101 |
||
1102 |
private void addControllers(int[] c) { |
|
1103 |
||
1104 |
if (c==null) { |
|
1105 |
controllers = new int[128]; |
|
1106 |
for (int i = 0; i < 128; i++) { |
|
1107 |
controllers[i] = i; |
|
1108 |
} |
|
1109 |
return; |
|
1110 |
} |
|
1111 |
int temp[] = new int[ controllers.length + c.length ]; |
|
1112 |
int elements; |
|
1113 |
||
1114 |
// first add what we have |
|
1115 |
for(int i=0; i<controllers.length; i++) { |
|
1116 |
temp[i] = controllers[i]; |
|
1117 |
} |
|
1118 |
elements = controllers.length; |
|
1119 |
// now add the new controllers only if we don't already have them |
|
1120 |
for(int i=0; i<c.length; i++) { |
|
1121 |
boolean flag = false; |
|
1122 |
||
1123 |
for(int j=0; j<controllers.length; j++) { |
|
1124 |
if (c[i] == controllers[j]) { |
|
1125 |
flag = true; |
|
1126 |
break; |
|
1127 |
} |
|
1128 |
} |
|
1129 |
if (!flag) { |
|
1130 |
temp[elements++] = c[i]; |
|
1131 |
} |
|
1132 |
} |
|
1133 |
// now keep only the elements we need |
|
1134 |
int newc[] = new int[ elements ]; |
|
1135 |
for(int i=0; i<elements; i++){ |
|
1136 |
newc[i] = temp[i]; |
|
1137 |
} |
|
1138 |
controllers = newc; |
|
1139 |
} |
|
1140 |
||
1141 |
private void removeControllers(int[] c) { |
|
1142 |
||
1143 |
if (c==null) { |
|
1144 |
controllers = new int[0]; |
|
1145 |
} else { |
|
1146 |
int temp[] = new int[ controllers.length ]; |
|
1147 |
int elements = 0; |
|
1148 |
||
1149 |
||
1150 |
for(int i=0; i<controllers.length; i++){ |
|
1151 |
boolean flag = false; |
|
1152 |
for(int j=0; j<c.length; j++) { |
|
1153 |
if (controllers[i] == c[j]) { |
|
1154 |
flag = true; |
|
1155 |
break; |
|
1156 |
} |
|
1157 |
} |
|
1158 |
if (!flag){ |
|
1159 |
temp[elements++] = controllers[i]; |
|
1160 |
} |
|
1161 |
} |
|
1162 |
// now keep only the elements remaining |
|
1163 |
int newc[] = new int[ elements ]; |
|
1164 |
for(int i=0; i<elements; i++) { |
|
1165 |
newc[i] = temp[i]; |
|
1166 |
} |
|
1167 |
controllers = newc; |
|
1168 |
||
1169 |
} |
|
1170 |
} |
|
1171 |
||
1172 |
private int[] getControllers() { |
|
1173 |
||
1174 |
// return a copy of our array of controllers, |
|
1175 |
// so others can't mess with it |
|
1176 |
if (controllers == null) { |
|
1177 |
return null; |
|
1178 |
} |
|
1179 |
||
1180 |
int c[] = new int[controllers.length]; |
|
1181 |
||
1182 |
for(int i=0; i<controllers.length; i++){ |
|
1183 |
c[i] = controllers[i]; |
|
1184 |
} |
|
1185 |
return c; |
|
1186 |
} |
|
1187 |
||
1188 |
} // class ControllerListElement |
|
1189 |
||
1190 |
||
1191 |
static class RecordingTrack { |
|
1192 |
||
1193 |
private Track track; |
|
1194 |
private int channel; |
|
1195 |
||
1196 |
RecordingTrack(Track track, int channel) { |
|
1197 |
this.track = track; |
|
1198 |
this.channel = channel; |
|
1199 |
} |
|
1200 |
||
1201 |
static RecordingTrack get(List recordingTracks, Track track) { |
|
1202 |
||
1203 |
synchronized(recordingTracks) { |
|
1204 |
int size = recordingTracks.size(); |
|
1205 |
||
1206 |
for (int i = 0; i < size; i++) { |
|
1207 |
RecordingTrack current = (RecordingTrack)recordingTracks.get(i); |
|
1208 |
if (current.track == track) { |
|
1209 |
return current; |
|
1210 |
} |
|
1211 |
} |
|
1212 |
} |
|
1213 |
return null; |
|
1214 |
} |
|
1215 |
||
1216 |
static Track get(List recordingTracks, int channel) { |
|
1217 |
||
1218 |
synchronized(recordingTracks) { |
|
1219 |
int size = recordingTracks.size(); |
|
1220 |
for (int i = 0; i < size; i++) { |
|
1221 |
RecordingTrack current = (RecordingTrack)recordingTracks.get(i); |
|
1222 |
if ((current.channel == channel) || (current.channel == -1)) { |
|
1223 |
return current.track; |
|
1224 |
} |
|
1225 |
} |
|
1226 |
} |
|
1227 |
return null; |
|
1228 |
||
1229 |
} |
|
1230 |
} |
|
1231 |
||
1232 |
||
1233 |
class PlayThread implements Runnable { |
|
1234 |
private Thread thread; |
|
1235 |
private Object lock = new Object(); |
|
1236 |
||
1237 |
/** true if playback is interrupted (in close) */ |
|
1238 |
boolean interrupted = false; |
|
1239 |
boolean isPumping = false; |
|
1240 |
||
1241 |
private DataPump dataPump = new DataPump(); |
|
1242 |
||
1243 |
||
1244 |
PlayThread() { |
|
1245 |
// nearly MAX_PRIORITY |
|
1246 |
int priority = Thread.NORM_PRIORITY |
|
1247 |
+ ((Thread.MAX_PRIORITY - Thread.NORM_PRIORITY) * 3) / 4; |
|
1248 |
thread = JSSecurityManager.createThread(this, |
|
1249 |
"Java Sound Sequencer", // name |
|
1250 |
false, // daemon |
|
1251 |
priority, // priority |
|
1252 |
true); // doStart |
|
1253 |
} |
|
1254 |
||
1255 |
DataPump getDataPump() { |
|
1256 |
return dataPump; |
|
1257 |
} |
|
1258 |
||
1259 |
synchronized void setSequence(Sequence seq) { |
|
1260 |
dataPump.setSequence(seq); |
|
1261 |
} |
|
1262 |
||
1263 |
||
1264 |
/** start thread and pump. Requires up-to-date tempoCache */ |
|
1265 |
synchronized void start() { |
|
1266 |
// mark the sequencer running |
|
1267 |
running = true; |
|
1268 |
||
1269 |
if (!dataPump.hasCachedTempo()) { |
|
1270 |
long tickPos = getTickPosition(); |
|
1271 |
dataPump.setTempoMPQ(tempoCache.getTempoMPQAt(tickPos)); |
|
1272 |
} |
|
1273 |
dataPump.checkPointMillis = 0; // means restarted |
|
1274 |
dataPump.clearNoteOnCache(); |
|
1275 |
dataPump.needReindex = true; |
|
1276 |
||
1277 |
dataPump.resetLoopCount(); |
|
1278 |
||
1279 |
// notify the thread |
|
1280 |
synchronized(lock) { |
|
1281 |
lock.notifyAll(); |
|
1282 |
} |
|
1283 |
||
1284 |
if (Printer.debug) Printer.debug(" ->Started MIDI play thread"); |
|
1285 |
||
1286 |
} |
|
1287 |
||
1288 |
// waits until stopped |
|
1289 |
synchronized void stop() { |
|
1290 |
playThreadImplStop(); |
|
1291 |
long t = System.nanoTime() / 1000000l; |
|
1292 |
while (isPumping) { |
|
1293 |
synchronized(lock) { |
|
1294 |
try { |
|
1295 |
lock.wait(2000); |
|
1296 |
} catch (InterruptedException ie) { |
|
1297 |
// ignore |
|
1298 |
} |
|
1299 |
} |
|
1300 |
// don't wait for more than 2 seconds |
|
1301 |
if ((System.nanoTime()/1000000l) - t > 1900) { |
|
1302 |
if (Printer.err) Printer.err("Waited more than 2 seconds in RealTimeSequencer.PlayThread.stop()!"); |
|
1303 |
//break; |
|
1304 |
} |
|
1305 |
} |
|
1306 |
} |
|
1307 |
||
1308 |
void playThreadImplStop() { |
|
1309 |
// mark the sequencer running |
|
1310 |
running = false; |
|
1311 |
synchronized(lock) { |
|
1312 |
lock.notifyAll(); |
|
1313 |
} |
|
1314 |
} |
|
1315 |
||
1316 |
void close() { |
|
1317 |
Thread oldThread = null; |
|
1318 |
synchronized (this) { |
|
1319 |
// dispose of thread |
|
1320 |
interrupted = true; |
|
1321 |
oldThread = thread; |
|
1322 |
thread = null; |
|
1323 |
} |
|
1324 |
if (oldThread != null) { |
|
1325 |
// wake up the thread if it's in wait() |
|
1326 |
synchronized(lock) { |
|
1327 |
lock.notifyAll(); |
|
1328 |
} |
|
1329 |
} |
|
1330 |
// wait for the thread to terminate itself, |
|
1331 |
// but max. 2 seconds. Must not be synchronized! |
|
1332 |
if (oldThread != null) { |
|
1333 |
try { |
|
1334 |
oldThread.join(2000); |
|
1335 |
} catch (InterruptedException ie) {} |
|
1336 |
} |
|
1337 |
} |
|
1338 |
||
1339 |
||
1340 |
/** |
|
1341 |
* Main process loop driving the media flow. |
|
1342 |
* |
|
1343 |
* Make sure to NOT synchronize on RealTimeSequencer |
|
1344 |
* anywhere here (even implicit). That is a sure deadlock! |
|
1345 |
*/ |
|
1346 |
public void run() { |
|
1347 |
||
1348 |
while (!interrupted) { |
|
1349 |
boolean EOM = false; |
|
1350 |
boolean wasRunning = running; |
|
1351 |
isPumping = !interrupted && running; |
|
1352 |
while (!EOM && !interrupted && running) { |
|
1353 |
EOM = dataPump.pump(); |
|
1354 |
||
1355 |
try { |
|
1356 |
Thread.sleep(1); |
|
1357 |
} catch (InterruptedException ie) { |
|
1358 |
// ignore |
|
1359 |
} |
|
1360 |
} |
|
1361 |
if (Printer.debug) { |
|
1362 |
Printer.debug("Exited main pump loop because: "); |
|
1363 |
if (EOM) Printer.debug(" -> EOM is reached"); |
|
1364 |
if (!running) Printer.debug(" -> running was set to false"); |
|
1365 |
if (interrupted) Printer.debug(" -> interrupted was set to true"); |
|
1366 |
} |
|
1367 |
||
1368 |
playThreadImplStop(); |
|
1369 |
if (wasRunning) { |
|
1370 |
dataPump.notesOff(true); |
|
1371 |
} |
|
1372 |
if (EOM) { |
|
1373 |
dataPump.setTickPos(sequence.getTickLength()); |
|
1374 |
||
1375 |
// send EOT event (mis-used for end of media) |
|
1376 |
MetaMessage message = new MetaMessage(); |
|
1377 |
try{ |
|
1378 |
message.setMessage(MidiUtils.META_END_OF_TRACK_TYPE, new byte[0], 0); |
|
1379 |
} catch(InvalidMidiDataException e1) {} |
|
1380 |
sendMetaEvents(message); |
|
1381 |
} |
|
1382 |
synchronized (lock) { |
|
1383 |
isPumping = false; |
|
1384 |
// wake up a waiting stop() method |
|
1385 |
lock.notifyAll(); |
|
1386 |
while (!running && !interrupted) { |
|
1387 |
try { |
|
1388 |
lock.wait(); |
|
1389 |
} catch (Exception ex) {} |
|
1390 |
} |
|
1391 |
} |
|
1392 |
} // end of while(!EOM && !interrupted && running) |
|
1393 |
if (Printer.debug) Printer.debug("end of play thread"); |
|
1394 |
} |
|
1395 |
} |
|
1396 |
||
1397 |
||
1398 |
/** |
|
1399 |
* class that does the actual dispatching of events, |
|
1400 |
* used to be in native in MMAPI |
|
1401 |
*/ |
|
1402 |
private class DataPump { |
|
1403 |
private float currTempo; // MPQ tempo |
|
1404 |
private float tempoFactor; // 1.0 is default |
|
1405 |
private float inverseTempoFactor;// = 1.0 / tempoFactor |
|
1406 |
private long ignoreTempoEventAt; // ignore next META tempo during playback at this tick pos only |
|
1407 |
private int resolution; |
|
1408 |
private float divisionType; |
|
1409 |
private long checkPointMillis; // microseconds at checkoint |
|
1410 |
private long checkPointTick; // ticks at checkpoint |
|
1411 |
private int[] noteOnCache; // bit-mask of notes that are currently on |
|
1412 |
private Track[] tracks; |
|
1413 |
private boolean[] trackDisabled; // if true, do not play this track |
|
1414 |
private int[] trackReadPos; // read index per track |
|
1415 |
private long lastTick; |
|
1416 |
private boolean needReindex = false; |
|
1417 |
private int currLoopCounter = 0; |
|
1418 |
||
1419 |
//private sun.misc.Perf perf = sun.misc.Perf.getPerf(); |
|
1420 |
//private long perfFreq = perf.highResFrequency(); |
|
1421 |
||
1422 |
||
1423 |
DataPump() { |
|
1424 |
init(); |
|
1425 |
} |
|
1426 |
||
1427 |
synchronized void init() { |
|
1428 |
ignoreTempoEventAt = -1; |
|
1429 |
tempoFactor = 1.0f; |
|
1430 |
inverseTempoFactor = 1.0f; |
|
1431 |
noteOnCache = new int[128]; |
|
1432 |
tracks = null; |
|
1433 |
trackDisabled = null; |
|
1434 |
} |
|
1435 |
||
1436 |
synchronized void setTickPos(long tickPos) { |
|
1437 |
long oldLastTick = tickPos; |
|
1438 |
lastTick = tickPos; |
|
1439 |
if (running) { |
|
1440 |
notesOff(false); |
|
1441 |
} |
|
1442 |
if (running || tickPos > 0) { |
|
1443 |
// will also reindex |
|
1444 |
chaseEvents(oldLastTick, tickPos); |
|
1445 |
} else { |
|
1446 |
needReindex = true; |
|
1447 |
} |
|
1448 |
if (!hasCachedTempo()) { |
|
1449 |
setTempoMPQ(getTempoCache().getTempoMPQAt(lastTick, currTempo)); |
|
1450 |
// treat this as if it is a real time tempo change |
|
1451 |
ignoreTempoEventAt = -1; |
|
1452 |
} |
|
1453 |
// trigger re-configuration |
|
1454 |
checkPointMillis = 0; |
|
1455 |
} |
|
1456 |
||
1457 |
long getTickPos() { |
|
1458 |
return lastTick; |
|
1459 |
} |
|
1460 |
||
1461 |
// hasCachedTempo is only valid if it is the current position |
|
1462 |
boolean hasCachedTempo() { |
|
1463 |
if (ignoreTempoEventAt != lastTick) { |
|
1464 |
ignoreTempoEventAt = -1; |
|
1465 |
} |
|
1466 |
return ignoreTempoEventAt >= 0; |
|
1467 |
} |
|
1468 |
||
1469 |
// this method is also used internally in the pump! |
|
1470 |
synchronized void setTempoMPQ(float tempoMPQ) { |
|
1471 |
if (tempoMPQ > 0 && tempoMPQ != currTempo) { |
|
1472 |
ignoreTempoEventAt = lastTick; |
|
1473 |
this.currTempo = tempoMPQ; |
|
1474 |
// re-calculate check point |
|
1475 |
checkPointMillis = 0; |
|
1476 |
} |
|
1477 |
} |
|
1478 |
||
1479 |
float getTempoMPQ() { |
|
1480 |
return currTempo; |
|
1481 |
} |
|
1482 |
||
1483 |
synchronized void setTempoFactor(float factor) { |
|
1484 |
if (factor > 0 && factor != this.tempoFactor) { |
|
1485 |
tempoFactor = factor; |
|
1486 |
inverseTempoFactor = 1.0f / factor; |
|
1487 |
// re-calculate check point |
|
1488 |
checkPointMillis = 0; |
|
1489 |
} |
|
1490 |
} |
|
1491 |
||
1492 |
float getTempoFactor() { |
|
1493 |
return tempoFactor; |
|
1494 |
} |
|
1495 |
||
1496 |
synchronized void muteSoloChanged() { |
|
1497 |
boolean[] newDisabled = makeDisabledArray(); |
|
1498 |
if (running) { |
|
1499 |
applyDisabledTracks(trackDisabled, newDisabled); |
|
1500 |
} |
|
1501 |
trackDisabled = newDisabled; |
|
1502 |
} |
|
1503 |
||
1504 |
||
1505 |
||
1506 |
synchronized void setSequence(Sequence seq) { |
|
1507 |
if (seq == null) { |
|
1508 |
init(); |
|
1509 |
return; |
|
1510 |
} |
|
1511 |
tracks = seq.getTracks(); |
|
1512 |
muteSoloChanged(); |
|
1513 |
resolution = seq.getResolution(); |
|
1514 |
divisionType = seq.getDivisionType(); |
|
1515 |
trackReadPos = new int[tracks.length]; |
|
1516 |
// trigger re-initialization |
|
1517 |
checkPointMillis = 0; |
|
1518 |
needReindex = true; |
|
1519 |
} |
|
1520 |
||
1521 |
synchronized void resetLoopCount() { |
|
1522 |
currLoopCounter = loopCount; |
|
1523 |
} |
|
1524 |
||
1525 |
void clearNoteOnCache() { |
|
1526 |
for (int i = 0; i < 128; i++) { |
|
1527 |
noteOnCache[i] = 0; |
|
1528 |
} |
|
1529 |
} |
|
1530 |
||
1531 |
void notesOff(boolean doControllers) { |
|
1532 |
int done = 0; |
|
1533 |
for (int ch=0; ch<16; ch++) { |
|
1534 |
int channelMask = (1<<ch); |
|
1535 |
for (int i=0; i<128; i++) { |
|
1536 |
if ((noteOnCache[i] & channelMask) != 0) { |
|
1537 |
noteOnCache[i] ^= channelMask; |
|
1538 |
// send note on with velocity 0 |
|
1539 |
getTransmitterList().sendMessage((ShortMessage.NOTE_ON | ch) | (i<<8), -1); |
|
1540 |
done++; |
|
1541 |
} |
|
1542 |
} |
|
1543 |
/* all notes off */ |
|
1544 |
getTransmitterList().sendMessage((ShortMessage.CONTROL_CHANGE | ch) | (123<<8), -1); |
|
1545 |
/* sustain off */ |
|
1546 |
getTransmitterList().sendMessage((ShortMessage.CONTROL_CHANGE | ch) | (64<<8), -1); |
|
1547 |
if (doControllers) { |
|
1548 |
/* reset all controllers */ |
|
1549 |
getTransmitterList().sendMessage((ShortMessage.CONTROL_CHANGE | ch) | (121<<8), -1); |
|
1550 |
done++; |
|
1551 |
} |
|
1552 |
} |
|
1553 |
if (DEBUG_PUMP) Printer.println(" noteOff: sent "+done+" messages."); |
|
1554 |
} |
|
1555 |
||
1556 |
||
1557 |
private boolean[] makeDisabledArray() { |
|
1558 |
if (tracks == null) { |
|
1559 |
return null; |
|
1560 |
} |
|
1561 |
boolean[] newTrackDisabled = new boolean[tracks.length]; |
|
1562 |
boolean[] solo; |
|
1563 |
boolean[] mute; |
|
1564 |
synchronized(RealTimeSequencer.this) { |
|
1565 |
mute = trackMuted; |
|
1566 |
solo = trackSolo; |
|
1567 |
} |
|
1568 |
// if one track is solo, then only play solo |
|
1569 |
boolean hasSolo = false; |
|
1570 |
if (solo != null) { |
|
1571 |
for (int i = 0; i < solo.length; i++) { |
|
1572 |
if (solo[i]) { |
|
1573 |
hasSolo = true; |
|
1574 |
break; |
|
1575 |
} |
|
1576 |
} |
|
1577 |
} |
|
1578 |
if (hasSolo) { |
|
1579 |
// only the channels with solo play, regardless of mute |
|
1580 |
for (int i = 0; i < newTrackDisabled.length; i++) { |
|
1581 |
newTrackDisabled[i] = (i >= solo.length) || (!solo[i]); |
|
1582 |
} |
|
1583 |
} else { |
|
1584 |
// mute the selected channels |
|
1585 |
for (int i = 0; i < newTrackDisabled.length; i++) { |
|
1586 |
newTrackDisabled[i] = (mute != null) && (i < mute.length) && (mute[i]); |
|
1587 |
} |
|
1588 |
} |
|
1589 |
return newTrackDisabled; |
|
1590 |
} |
|
1591 |
||
1592 |
/** |
|
1593 |
* chase all events from beginning of Track |
|
1594 |
* and send note off for those events that are active |
|
1595 |
* in noteOnCache array. |
|
1596 |
* It is possible, of course, to catch notes from other tracks, |
|
1597 |
* but better than more complicated logic to detect |
|
1598 |
* which notes are really from this track |
|
1599 |
*/ |
|
1600 |
private void sendNoteOffIfOn(Track track, long endTick) { |
|
1601 |
int size = track.size(); |
|
1602 |
int done = 0; |
|
1603 |
try { |
|
1604 |
for (int i = 0; i < size; i++) { |
|
1605 |
MidiEvent event = track.get(i); |
|
1606 |
if (event.getTick() > endTick) break; |
|
1607 |
MidiMessage msg = event.getMessage(); |
|
1608 |
int status = msg.getStatus(); |
|
1609 |
int len = msg.getLength(); |
|
1610 |
if (len == 3 && ((status & 0xF0) == ShortMessage.NOTE_ON)) { |
|
1611 |
int note = -1; |
|
1612 |
if (msg instanceof ShortMessage) { |
|
1613 |
ShortMessage smsg = (ShortMessage) msg; |
|
1614 |
if (smsg.getData2() > 0) { |
|
1615 |
// only consider Note On with velocity > 0 |
|
1616 |
note = smsg.getData1(); |
|
1617 |
} |
|
1618 |
} else { |
|
1619 |
byte[] data = msg.getMessage(); |
|
1620 |
if ((data[2] & 0x7F) > 0) { |
|
1621 |
// only consider Note On with velocity > 0 |
|
1622 |
note = data[1] & 0x7F; |
|
1623 |
} |
|
1624 |
} |
|
1625 |
if (note >= 0) { |
|
1626 |
int bit = 1<<(status & 0x0F); |
|
1627 |
if ((noteOnCache[note] & bit) != 0) { |
|
1628 |
// the bit is set. Send Note Off |
|
1629 |
getTransmitterList().sendMessage(status | (note<<8), -1); |
|
1630 |
// clear the bit |
|
1631 |
noteOnCache[note] &= (0xFFFF ^ bit); |
|
1632 |
done++; |
|
1633 |
} |
|
1634 |
} |
|
1635 |
} |
|
1636 |
} |
|
1637 |
} catch (ArrayIndexOutOfBoundsException aioobe) { |
|
1638 |
// this happens when messages are removed |
|
1639 |
// from the track while this method executes |
|
1640 |
} |
|
1641 |
if (DEBUG_PUMP) Printer.println(" sendNoteOffIfOn: sent "+done+" messages."); |
|
1642 |
} |
|
1643 |
||
1644 |
||
1645 |
/** |
|
1646 |
* Runtime application of mute/solo: |
|
1647 |
* if a track is muted that was previously playing, send |
|
1648 |
* note off events for all currently playing notes |
|
1649 |
*/ |
|
1650 |
private void applyDisabledTracks(boolean[] oldDisabled, boolean[] newDisabled) { |
|
1651 |
byte[][] tempArray = null; |
|
1652 |
synchronized(RealTimeSequencer.this) { |
|
1653 |
for (int i = 0; i < newDisabled.length; i++) { |
|
1654 |
if (((oldDisabled == null) |
|
1655 |
|| (i >= oldDisabled.length) |
|
1656 |
|| !oldDisabled[i]) |
|
1657 |
&& newDisabled[i]) { |
|
1658 |
// case that a track gets muted: need to |
|
1659 |
// send appropriate note off events to prevent |
|
1660 |
// hanging notes |
|
1661 |
||
1662 |
if (tracks.length > i) { |
|
1663 |
sendNoteOffIfOn(tracks[i], lastTick); |
|
1664 |
} |
|
1665 |
} |
|
1666 |
else if ((oldDisabled != null) |
|
1667 |
&& (i < oldDisabled.length) |
|
1668 |
&& oldDisabled[i] |
|
1669 |
&& !newDisabled[i]) { |
|
1670 |
// case that a track was muted and is now unmuted |
|
1671 |
// need to chase events and re-index this track |
|
1672 |
if (tempArray == null) { |
|
1673 |
tempArray = new byte[128][16]; |
|
1674 |
} |
|
1675 |
chaseTrackEvents(i, 0, lastTick, true, tempArray); |
|
1676 |
} |
|
1677 |
} |
|
1678 |
} |
|
1679 |
} |
|
1680 |
||
1681 |
/** go through all events from startTick to endTick |
|
1682 |
* chase the controller state and program change state |
|
1683 |
* and then set the end-states at once. |
|
1684 |
* |
|
1685 |
* needs to be called in synchronized state |
|
1686 |
* @param tempArray an byte[128][16] to hold controller messages |
|
1687 |
*/ |
|
1688 |
private void chaseTrackEvents(int trackNum, |
|
1689 |
long startTick, |
|
1690 |
long endTick, |
|
1691 |
boolean doReindex, |
|
1692 |
byte[][] tempArray) { |
|
1693 |
if (startTick > endTick) { |
|
1694 |
// start from the beginning |
|
1695 |
startTick = 0; |
|
1696 |
} |
|
1697 |
byte[] progs = new byte[16]; |
|
1698 |
// init temp array with impossible values |
|
1699 |
for (int ch = 0; ch < 16; ch++) { |
|
1700 |
progs[ch] = -1; |
|
1701 |
for (int co = 0; co < 128; co++) { |
|
1702 |
tempArray[co][ch] = -1; |
|
1703 |
} |
|
1704 |
} |
|
1705 |
Track track = tracks[trackNum]; |
|
1706 |
int size = track.size(); |
|
1707 |
try { |
|
1708 |
for (int i = 0; i < size; i++) { |
|
1709 |
MidiEvent event = track.get(i); |
|
1710 |
if (event.getTick() >= endTick) { |
|
1711 |
if (doReindex && (trackNum < trackReadPos.length)) { |
|
1712 |
trackReadPos[trackNum] = (i > 0)?(i-1):0; |
|
1713 |
if (DEBUG_PUMP) Printer.println(" chaseEvents: setting trackReadPos["+trackNum+"] = "+trackReadPos[trackNum]); |
|
1714 |
} |
|
1715 |
break; |
|
1716 |
} |
|
1717 |
MidiMessage msg = event.getMessage(); |
|
1718 |
int status = msg.getStatus(); |
|
1719 |
int len = msg.getLength(); |
|
1720 |
if (len == 3 && ((status & 0xF0) == ShortMessage.CONTROL_CHANGE)) { |
|
1721 |
if (msg instanceof ShortMessage) { |
|
1722 |
ShortMessage smsg = (ShortMessage) msg; |
|
1723 |
tempArray[smsg.getData1() & 0x7F][status & 0x0F] = (byte) smsg.getData2(); |
|
1724 |
} else { |
|
1725 |
byte[] data = msg.getMessage(); |
|
1726 |
tempArray[data[1] & 0x7F][status & 0x0F] = data[2]; |
|
1727 |
} |
|
1728 |
} |
|
1729 |
if (len == 2 && ((status & 0xF0) == ShortMessage.PROGRAM_CHANGE)) { |
|
1730 |
if (msg instanceof ShortMessage) { |
|
1731 |
ShortMessage smsg = (ShortMessage) msg; |
|
1732 |
progs[status & 0x0F] = (byte) smsg.getData1(); |
|
1733 |
} else { |
|
1734 |
byte[] data = msg.getMessage(); |
|
1735 |
progs[status & 0x0F] = data[1]; |
|
1736 |
} |
|
1737 |
} |
|
1738 |
} |
|
1739 |
} catch (ArrayIndexOutOfBoundsException aioobe) { |
|
1740 |
// this happens when messages are removed |
|
1741 |
// from the track while this method executes |
|
1742 |
} |
|
1743 |
int numControllersSent = 0; |
|
1744 |
// now send out the aggregated controllers and program changes |
|
1745 |
for (int ch = 0; ch < 16; ch++) { |
|
1746 |
for (int co = 0; co < 128; co++) { |
|
1747 |
byte controllerValue = tempArray[co][ch]; |
|
1748 |
if (controllerValue >= 0) { |
|
1749 |
int packedMsg = (ShortMessage.CONTROL_CHANGE | ch) | (co<<8) | (controllerValue<<16); |
|
1750 |
getTransmitterList().sendMessage(packedMsg, -1); |
|
1751 |
numControllersSent++; |
|
1752 |
} |
|
1753 |
} |
|
1754 |
// send program change *after* controllers, to |
|
1755 |
// correctly initialize banks |
|
1756 |
if (progs[ch] >= 0) { |
|
1757 |
getTransmitterList().sendMessage((ShortMessage.PROGRAM_CHANGE | ch) | (progs[ch]<<8), -1); |
|
1758 |
} |
|
1759 |
if (progs[ch] >= 0 || startTick == 0 || endTick == 0) { |
|
1760 |
// reset pitch bend on this channel (E0 00 40) |
|
1761 |
getTransmitterList().sendMessage((ShortMessage.PITCH_BEND | ch) | (0x40 << 16), -1); |
|
1762 |
// reset sustain pedal on this channel |
|
1763 |
getTransmitterList().sendMessage((ShortMessage.CONTROL_CHANGE | ch) | (64 << 8), -1); |
|
1764 |
} |
|
1765 |
} |
|
1766 |
if (DEBUG_PUMP) Printer.println(" chaseTrackEvents track "+trackNum+": sent "+numControllersSent+" controllers."); |
|
1767 |
} |
|
1768 |
||
1769 |
||
1770 |
/** chase controllers and program for all tracks */ |
|
1771 |
synchronized void chaseEvents(long startTick, long endTick) { |
|
1772 |
if (DEBUG_PUMP) Printer.println(">> chaseEvents from tick "+startTick+".."+(endTick-1)); |
|
1773 |
byte[][] tempArray = new byte[128][16]; |
|
1774 |
for (int t = 0; t < tracks.length; t++) { |
|
1775 |
if ((trackDisabled == null) |
|
1776 |
|| (trackDisabled.length <= t) |
|
1777 |
|| (!trackDisabled[t])) { |
|
1778 |
// if track is not disabled, chase the events for it |
|
1779 |
chaseTrackEvents(t, startTick, endTick, true, tempArray); |
|
1780 |
} |
|
1781 |
} |
|
1782 |
if (DEBUG_PUMP) Printer.println("<< chaseEvents"); |
|
1783 |
} |
|
1784 |
||
1785 |
||
1786 |
// playback related methods (pumping) |
|
1787 |
||
1788 |
private long getCurrentTimeMillis() { |
|
1789 |
return System.nanoTime() / 1000000l; |
|
1790 |
//return perf.highResCounter() * 1000 / perfFreq; |
|
1791 |
} |
|
1792 |
||
1793 |
private long millis2tick(long millis) { |
|
1794 |
if (divisionType != Sequence.PPQ) { |
|
1795 |
double dTick = ((((double) millis) * tempoFactor) |
|
1796 |
* ((double) divisionType) |
|
1797 |
* ((double) resolution)) |
|
1798 |
/ ((double) 1000); |
|
1799 |
return (long) dTick; |
|
1800 |
} |
|
1801 |
return MidiUtils.microsec2ticks(millis * 1000, |
|
1802 |
currTempo * inverseTempoFactor, |
|
1803 |
resolution); |
|
1804 |
} |
|
1805 |
||
1806 |
private long tick2millis(long tick) { |
|
1807 |
if (divisionType != Sequence.PPQ) { |
|
1808 |
double dMillis = ((((double) tick) * 1000) / |
|
1809 |
(tempoFactor * ((double) divisionType) * ((double) resolution))); |
|
1810 |
return (long) dMillis; |
|
1811 |
} |
|
1812 |
return MidiUtils.ticks2microsec(tick, |
|
1813 |
currTempo * inverseTempoFactor, |
|
1814 |
resolution) / 1000; |
|
1815 |
} |
|
1816 |
||
1817 |
private void ReindexTrack(int trackNum, long tick) { |
|
1818 |
if (trackNum < trackReadPos.length && trackNum < tracks.length) { |
|
1819 |
trackReadPos[trackNum] = MidiUtils.tick2index(tracks[trackNum], tick); |
|
1820 |
if (DEBUG_PUMP) Printer.println(" reindexTrack: setting trackReadPos["+trackNum+"] = "+trackReadPos[trackNum]); |
|
1821 |
} |
|
1822 |
} |
|
1823 |
||
1824 |
/* returns if changes are pending */ |
|
1825 |
private boolean dispatchMessage(int trackNum, MidiEvent event) { |
|
1826 |
boolean changesPending = false; |
|
1827 |
MidiMessage message = event.getMessage(); |
|
1828 |
int msgStatus = message.getStatus(); |
|
1829 |
int msgLen = message.getLength(); |
|
1830 |
if (msgStatus == MetaMessage.META && msgLen >= 2) { |
|
1831 |
// a meta message. Do not send it to the device. |
|
1832 |
// 0xFF with length=1 is a MIDI realtime message |
|
1833 |
// which shouldn't be in a Sequence, but we play it |
|
1834 |
// nonetheless. |
|
1835 |
||
1836 |
// see if this is a tempo message. Only on track 0. |
|
1837 |
if (trackNum == 0) { |
|
1838 |
int newTempo = MidiUtils.getTempoMPQ(message); |
|
1839 |
if (newTempo > 0) { |
|
1840 |
if (event.getTick() != ignoreTempoEventAt) { |
|
1841 |
setTempoMPQ(newTempo); // sets ignoreTempoEventAt! |
|
1842 |
changesPending = true; |
|
1843 |
} |
|
1844 |
// next loop, do not ignore anymore tempo events. |
|
1845 |
ignoreTempoEventAt = -1; |
|
1846 |
} |
|
1847 |
} |
|
1848 |
// send to listeners |
|
1849 |
sendMetaEvents(message); |
|
1850 |
||
1851 |
} else { |
|
1852 |
// not meta, send to device |
|
1853 |
getTransmitterList().sendMessage(message, -1); |
|
1854 |
||
1855 |
switch (msgStatus & 0xF0) { |
|
1856 |
case ShortMessage.NOTE_OFF: { |
|
1857 |
// note off - clear the bit in the noteOnCache array |
|
1858 |
int note = ((ShortMessage) message).getData1() & 0x7F; |
|
1859 |
noteOnCache[note] &= (0xFFFF ^ (1<<(msgStatus & 0x0F))); |
|
1860 |
break; |
|
1861 |
} |
|
1862 |
||
1863 |
case ShortMessage.NOTE_ON: { |
|
1864 |
// note on |
|
1865 |
ShortMessage smsg = (ShortMessage) message; |
|
1866 |
int note = smsg.getData1() & 0x7F; |
|
1867 |
int vel = smsg.getData2() & 0x7F; |
|
1868 |
if (vel > 0) { |
|
1869 |
// if velocity > 0 set the bit in the noteOnCache array |
|
1870 |
noteOnCache[note] |= 1<<(msgStatus & 0x0F); |
|
1871 |
} else { |
|
1872 |
// if velocity = 0 clear the bit in the noteOnCache array |
|
1873 |
noteOnCache[note] &= (0xFFFF ^ (1<<(msgStatus & 0x0F))); |
|
1874 |
} |
|
1875 |
break; |
|
1876 |
} |
|
1877 |
||
1878 |
case ShortMessage.CONTROL_CHANGE: |
|
1879 |
// if controller message, send controller listeners |
|
1880 |
sendControllerEvents(message); |
|
1881 |
break; |
|
1882 |
||
1883 |
} |
|
1884 |
} |
|
1885 |
return changesPending; |
|
1886 |
} |
|
1887 |
||
1888 |
||
1889 |
/** the main pump method |
|
1890 |
* @return true if end of sequence is reached |
|
1891 |
*/ |
|
1892 |
synchronized boolean pump() { |
|
1893 |
long currMillis; |
|
1894 |
long targetTick = lastTick; |
|
1895 |
MidiEvent currEvent; |
|
1896 |
boolean changesPending = false; |
|
1897 |
boolean doLoop = false; |
|
1898 |
boolean EOM = false; |
|
1899 |
||
1900 |
currMillis = getCurrentTimeMillis(); |
|
1901 |
int finishedTracks = 0; |
|
1902 |
do { |
|
1903 |
changesPending = false; |
|
1904 |
||
1905 |
// need to re-find indexes in tracks? |
|
1906 |
if (needReindex) { |
|
1907 |
if (DEBUG_PUMP) Printer.println("Need to re-index at "+currMillis+" millis. TargetTick="+targetTick); |
|
1908 |
if (trackReadPos.length < tracks.length) { |
|
1909 |
trackReadPos = new int[tracks.length]; |
|
1910 |
} |
|
1911 |
for (int t = 0; t < tracks.length; t++) { |
|
1912 |
ReindexTrack(t, targetTick); |
|
1913 |
if (DEBUG_PUMP_ALL) Printer.println(" Setting trackReadPos["+t+"]="+trackReadPos[t]); |
|
1914 |
} |
|
1915 |
needReindex = false; |
|
1916 |
checkPointMillis = 0; |
|
1917 |
} |
|
1918 |
||
1919 |
// get target tick from current time in millis |
|
1920 |
if (checkPointMillis == 0) { |
|
1921 |
// new check point |
|
1922 |
currMillis = getCurrentTimeMillis(); |
|
1923 |
checkPointMillis = currMillis; |
|
1924 |
targetTick = lastTick; |
|
1925 |
checkPointTick = targetTick; |
|
1926 |
if (DEBUG_PUMP) Printer.println("New checkpoint to "+currMillis+" millis. " |
|
1927 |
+"TargetTick="+targetTick |
|
1928 |
+" new tempo="+MidiUtils.convertTempo(currTempo)+"bpm"); |
|
1929 |
} else { |
|
1930 |
// calculate current tick based on current time in milliseconds |
|
1931 |
targetTick = checkPointTick + millis2tick(currMillis - checkPointMillis); |
|
1932 |
if (DEBUG_PUMP_ALL) Printer.println("targetTick = "+targetTick+" at "+currMillis+" millis"); |
|
1933 |
if ((loopEnd != -1) |
|
1934 |
&& ((loopCount > 0 && currLoopCounter > 0) |
|
1935 |
|| (loopCount == LOOP_CONTINUOUSLY))) { |
|
1936 |
if (lastTick <= loopEnd && targetTick >= loopEnd) { |
|
1937 |
// need to loop! |
|
1938 |
// only play until loop end |
|
1939 |
targetTick = loopEnd - 1; |
|
1940 |
doLoop = true; |
|
1941 |
if (DEBUG_PUMP) Printer.println("set doLoop to true. lastTick="+lastTick |
|
1942 |
+" targetTick="+targetTick |
|
1943 |
+" loopEnd="+loopEnd |
|
1944 |
+" jumping to loopStart="+loopStart |
|
1945 |
+" new currLoopCounter="+currLoopCounter); |
|
1946 |
if (DEBUG_PUMP) Printer.println(" currMillis="+currMillis |
|
1947 |
+" checkPointMillis="+checkPointMillis |
|
1948 |
+" checkPointTick="+checkPointTick); |
|
1949 |
||
1950 |
} |
|
1951 |
} |
|
1952 |
lastTick = targetTick; |
|
1953 |
} |
|
1954 |
||
1955 |
finishedTracks = 0; |
|
1956 |
||
1957 |
for (int t = 0; t < tracks.length; t++) { |
|
1958 |
try { |
|
1959 |
boolean disabled = trackDisabled[t]; |
|
1960 |
Track thisTrack = tracks[t]; |
|
1961 |
int readPos = trackReadPos[t]; |
|
1962 |
int size = thisTrack.size(); |
|
1963 |
// play all events that are due until targetTick |
|
1964 |
while (!changesPending && (readPos < size) |
|
1965 |
&& (currEvent = thisTrack.get(readPos)).getTick() <= targetTick) { |
|
1966 |
||
1967 |
if ((readPos == size -1) && MidiUtils.isMetaEndOfTrack(currEvent.getMessage())) { |
|
1968 |
// do not send out this message. Finished with this track |
|
1969 |
readPos = size; |
|
1970 |
break; |
|
1971 |
} |
|
1972 |
// TODO: some kind of heuristics if the MIDI messages have changed |
|
1973 |
// significantly (i.e. deleted or inserted a bunch of messages) |
|
1974 |
// since last time. Would need to set needReindex = true then |
|
1975 |
readPos++; |
|
1976 |
// only play this event if the track is enabled, |
|
1977 |
// or if it is a tempo message on track 0 |
|
1978 |
// Note: cannot put this check outside |
|
1979 |
// this inner loop in order to detect end of file |
|
1980 |
if (!disabled || |
|
1981 |
((t == 0) && (MidiUtils.isMetaTempo(currEvent.getMessage())))) { |
|
1982 |
changesPending = dispatchMessage(t, currEvent); |
|
1983 |
} |
|
1984 |
} |
|
1985 |
if (readPos >= size) { |
|
1986 |
finishedTracks++; |
|
1987 |
} |
|
1988 |
if (DEBUG_PUMP_ALL) { |
|
1989 |
System.out.print(" pumped track "+t+" ("+size+" events) " |
|
1990 |
+" from index: "+trackReadPos[t] |
|
1991 |
+" to "+(readPos-1)); |
|
1992 |
System.out.print(" -> ticks: "); |
|
1993 |
if (trackReadPos[t] < size) { |
|
1994 |
System.out.print(""+(thisTrack.get(trackReadPos[t]).getTick())); |
|
1995 |
} else { |
|
1996 |
System.out.print("EOT"); |
|
1997 |
} |
|
1998 |
System.out.print(" to "); |
|
1999 |
if (readPos < size) { |
|
2000 |
System.out.print(""+(thisTrack.get(readPos-1).getTick())); |
|
2001 |
} else { |
|
2002 |
System.out.print("EOT"); |
|
2003 |
} |
|
2004 |
System.out.println(); |
|
2005 |
} |
|
2006 |
trackReadPos[t] = readPos; |
|
2007 |
} catch(Exception e) { |
|
2008 |
if (Printer.debug) Printer.debug("Exception in Sequencer pump!"); |
|
2009 |
if (Printer.debug) e.printStackTrace(); |
|
2010 |
if (e instanceof ArrayIndexOutOfBoundsException) { |
|
2011 |
needReindex = true; |
|
2012 |
changesPending = true; |
|
2013 |
} |
|
2014 |
} |
|
2015 |
if (changesPending) { |
|
2016 |
break; |
|
2017 |
} |
|
2018 |
} |
|
2019 |
EOM = (finishedTracks == tracks.length); |
|
2020 |
if (doLoop |
|
2021 |
|| ( ((loopCount > 0 && currLoopCounter > 0) |
|
2022 |
|| (loopCount == LOOP_CONTINUOUSLY)) |
|
2023 |
&& !changesPending |
|
2024 |
&& (loopEnd == -1) |
|
2025 |
&& EOM)) { |
|
2026 |
||
2027 |
long oldCheckPointMillis = checkPointMillis; |
|
2028 |
long loopEndTick = loopEnd; |
|
2029 |
if (loopEndTick == -1) { |
|
2030 |
loopEndTick = lastTick; |
|
2031 |
} |
|
2032 |
||
2033 |
// need to loop back! |
|
2034 |
if (loopCount != LOOP_CONTINUOUSLY) { |
|
2035 |
currLoopCounter--; |
|
2036 |
} |
|
2037 |
if (DEBUG_PUMP) Printer.println("Execute loop: lastTick="+lastTick |
|
2038 |
+" loopEnd="+loopEnd |
|
2039 |
+" jumping to loopStart="+loopStart |
|
2040 |
+" new currLoopCounter="+currLoopCounter); |
|
2041 |
setTickPos(loopStart); |
|
2042 |
// now patch the checkPointMillis so that |
|
2043 |
// it points to the exact beginning of when the loop was finished |
|
2044 |
||
2045 |
// $$fb TODO: although this is mathematically correct (i.e. the loop position |
|
2046 |
// is correct, and doesn't drift away with several repetition, |
|
2047 |
// there is a slight lag when looping back, probably caused |
|
2048 |
// by the chasing. |
|
2049 |
||
2050 |
checkPointMillis = oldCheckPointMillis + tick2millis(loopEndTick - checkPointTick); |
|
2051 |
checkPointTick = loopStart; |
|
2052 |
if (DEBUG_PUMP) Printer.println(" Setting currMillis="+currMillis |
|
2053 |
+" new checkPointMillis="+checkPointMillis |
|
2054 |
+" new checkPointTick="+checkPointTick); |
|
2055 |
// no need for reindexing, is done in setTickPos |
|
2056 |
needReindex = false; |
|
2057 |
changesPending = false; |
|
2058 |
// reset doLoop flag |
|
2059 |
doLoop = false; |
|
2060 |
EOM = false; |
|
2061 |
} |
|
2062 |
} while (changesPending); |
|
2063 |
||
2064 |
return EOM; |
|
2065 |
} |
|
2066 |
||
2067 |
} // class DataPump |
|
2068 |
||
2069 |
} |