| author | ohair |
| Wed, 06 Apr 2011 22:06:11 -0700 | |
| changeset 9035 | 1255eb81cc2f |
| parent 8528 | f496950c5d98 |
| child 16876 | 17f574546dc8 |
| permissions | -rw-r--r-- |
| 2 | 1 |
/* |
|
9035
1255eb81cc2f
7033660: Update copyright year to 2011 on any files changed in 2011
ohair
parents:
8528
diff
changeset
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* Copyright (c) 2003, 2011, Oracle and/or its affiliates. All rights reserved. |
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* 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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// 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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public void setTempoInMPQ(float mpq) {
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if (mpq <= 0) {
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// should throw IllegalArgumentException |
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mpq = 1.0f; |
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} |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: setTempoInMPQ() ");
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if (needCaching()) {
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// cache the value |
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cacheTempoMPQ = mpq; |
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} else {
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// set the native tempo in MPQ |
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getDataPump().setTempoMPQ(mpq); |
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// reset the tempoInBPM and tempoInMPQ values so we won't use them again |
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cacheTempoMPQ = -1; |
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} |
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} |
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public void setTempoFactor(float factor) {
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if (factor <= 0) {
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// should throw IllegalArgumentException |
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return; |
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} |
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: setTempoFactor() ");
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if (needCaching()) {
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cacheTempoFactor = factor; |
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} else {
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getDataPump().setTempoFactor(factor); |
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// don't need cache anymore |
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cacheTempoFactor = -1; |
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} |
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} |
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public float getTempoFactor() {
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: getTempoFactor() ");
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if (needCaching()) {
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if (cacheTempoFactor != -1) {
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return cacheTempoFactor; |
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} |
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return 1.0f; |
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} |
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return getDataPump().getTempoFactor(); |
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} |
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public long getTickLength() {
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: getTickLength() ");
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if (sequence == null) {
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return 0; |
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} |
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return sequence.getTickLength(); |
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} |
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public synchronized long getTickPosition() {
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if (Printer.trace) Printer.trace(">> RealTimeSequencer: getTickPosition() ");
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464 |
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if (getDataPump() == null || sequence == null) {
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return 0; |
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} |
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468 |
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return getDataPump().getTickPos(); |
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} |
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471 |
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472 |
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public synchronized void setTickPosition(long tick) {
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if (tick < 0) {
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// should throw IllegalArgumentException |
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476 |
return; |
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} |
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479 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: setTickPosition("+tick+") ");
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480 |
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481 |
if (getDataPump() == null) {
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482 |
if (tick != 0) {
|
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483 |
// throw new InvalidStateException("cannot set position in closed state");
|
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484 |
} |
|
485 |
} |
|
486 |
else if (sequence == null) {
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487 |
if (tick != 0) {
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// throw new InvalidStateException("cannot set position if sequence is not set");
|
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} |
|
490 |
} else {
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getDataPump().setTickPos(tick); |
|
492 |
} |
|
493 |
} |
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494 |
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495 |
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496 |
public long getMicrosecondLength() {
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497 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: getMicrosecondLength() ");
|
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498 |
||
499 |
if (sequence == null) {
|
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500 |
return 0; |
|
501 |
} |
|
502 |
||
503 |
return sequence.getMicrosecondLength(); |
|
504 |
} |
|
505 |
||
506 |
||
507 |
public long getMicrosecondPosition() {
|
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508 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: getMicrosecondPosition() ");
|
|
509 |
||
510 |
if (getDataPump() == null || sequence == null) {
|
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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 |
|
|
8528
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
778 |
// MidiSystem.getSequencer(boolean), because the same |
| 2 | 779 |
// algorithm needs to be used! |
780 |
try {
|
|
781 |
Synthesizer synth = MidiSystem.getSynthesizer(); |
|
782 |
if (synth instanceof ReferenceCountingDevice) {
|
|
783 |
rec = ((ReferenceCountingDevice) synth).getReceiverReferenceCounting(); |
|
784 |
} else {
|
|
|
8528
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
785 |
synth.open(); |
|
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
786 |
try {
|
|
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
787 |
rec = synth.getReceiver(); |
|
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
788 |
} finally {
|
|
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
789 |
// make sure that the synth is properly closed |
|
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
790 |
if (rec == null) {
|
|
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
791 |
synth.close(); |
|
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
792 |
} |
|
f496950c5d98
6660470: RealTimeSequencer incorrectly opens (implicitly) synthesizer
amenkov
parents:
6832
diff
changeset
|
793 |
} |
| 2 | 794 |
} |
795 |
} catch (Exception e) {
|
|
796 |
// something went wrong with synth |
|
797 |
} |
|
798 |
if (rec == null) {
|
|
799 |
// then try to connect to the default Receiver |
|
800 |
try {
|
|
801 |
rec = MidiSystem.getReceiver(); |
|
802 |
} catch (Exception e) {
|
|
803 |
// something went wrong. Nothing to do then! |
|
804 |
} |
|
805 |
} |
|
806 |
if (rec != null) {
|
|
807 |
autoConnectedReceiver = rec; |
|
808 |
try {
|
|
809 |
getTransmitter().setReceiver(rec); |
|
810 |
} catch (Exception e) {}
|
|
811 |
} |
|
812 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: doAutoConnect() succeeded");
|
|
813 |
} |
|
814 |
||
815 |
private synchronized void propagateCaches() {
|
|
816 |
// only set caches if open and sequence is set |
|
817 |
if (sequence != null && isOpen()) {
|
|
818 |
if (cacheTempoFactor != -1) {
|
|
819 |
setTempoFactor(cacheTempoFactor); |
|
820 |
} |
|
821 |
if (cacheTempoMPQ == -1) {
|
|
822 |
setTempoInMPQ((new MidiUtils.TempoCache(sequence)).getTempoMPQAt(getTickPosition())); |
|
823 |
} else {
|
|
824 |
setTempoInMPQ((float) cacheTempoMPQ); |
|
825 |
} |
|
826 |
} |
|
827 |
} |
|
828 |
||
829 |
/** populate the caches with the current values */ |
|
830 |
private synchronized void setCaches() {
|
|
831 |
cacheTempoFactor = getTempoFactor(); |
|
832 |
cacheTempoMPQ = getTempoInMPQ(); |
|
833 |
} |
|
834 |
||
835 |
||
836 |
||
837 |
protected synchronized void implClose() {
|
|
838 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: implClose() ");
|
|
839 |
||
840 |
if (playThread == null) {
|
|
841 |
if (Printer.err) Printer.err("RealTimeSequencer.implClose() called, but playThread not instanciated!");
|
|
842 |
} else {
|
|
843 |
// Interrupt playback loop. |
|
844 |
playThread.close(); |
|
845 |
playThread = null; |
|
846 |
} |
|
847 |
||
848 |
super.implClose(); |
|
849 |
||
850 |
sequence = null; |
|
851 |
running = false; |
|
852 |
cacheTempoMPQ = -1; |
|
853 |
cacheTempoFactor = -1; |
|
854 |
trackMuted = null; |
|
855 |
trackSolo = null; |
|
856 |
loopStart = 0; |
|
857 |
loopEnd = -1; |
|
858 |
loopCount = 0; |
|
859 |
||
860 |
/** if this sequencer is set to autoconnect, need to |
|
861 |
* re-establish the connection at next open! |
|
862 |
*/ |
|
863 |
doAutoConnectAtNextOpen = autoConnect; |
|
864 |
||
865 |
if (autoConnectedReceiver != null) {
|
|
866 |
try {
|
|
867 |
autoConnectedReceiver.close(); |
|
868 |
} catch (Exception e) {}
|
|
869 |
autoConnectedReceiver = null; |
|
870 |
} |
|
871 |
||
872 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: implClose() completed");
|
|
873 |
} |
|
874 |
||
875 |
protected void implStart() {
|
|
876 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: implStart()");
|
|
877 |
||
878 |
if (playThread == null) {
|
|
879 |
if (Printer.err) Printer.err("RealTimeSequencer.implStart() called, but playThread not instanciated!");
|
|
880 |
return; |
|
881 |
} |
|
882 |
||
883 |
tempoCache.refresh(sequence); |
|
884 |
if (!running) {
|
|
885 |
running = true; |
|
886 |
playThread.start(); |
|
887 |
} |
|
888 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: implStart() completed");
|
|
889 |
} |
|
890 |
||
891 |
||
892 |
protected void implStop() {
|
|
893 |
if (Printer.trace) Printer.trace(">> RealTimeSequencer: implStop()");
|
|
894 |
||
895 |
if (playThread == null) {
|
|
896 |
if (Printer.err) Printer.err("RealTimeSequencer.implStop() called, but playThread not instanciated!");
|
|
897 |
return; |
|
898 |
} |
|
899 |
||
900 |
recording = false; |
|
901 |
if (running) {
|
|
902 |
running = false; |
|
903 |
playThread.stop(); |
|
904 |
} |
|
905 |
if (Printer.trace) Printer.trace("<< RealTimeSequencer: implStop() completed");
|
|
906 |
} |
|
907 |
||
908 |
||
909 |
/** |
|
910 |
* Send midi player events. |
|
911 |
* must not be synchronized on "this" |
|
912 |
*/ |
|
913 |
protected void sendMetaEvents(MidiMessage message) {
|
|
914 |
if (metaEventListeners.size() == 0) return; |
|
915 |
||
916 |
//if (Printer.debug) Printer.debug("sending a meta event");
|
|
917 |
eventDispatcher.sendAudioEvents(message, metaEventListeners); |
|
918 |
} |
|
919 |
||
920 |
/** |
|
921 |
* Send midi player events. |
|
922 |
*/ |
|
923 |
protected void sendControllerEvents(MidiMessage message) {
|
|
924 |
int size = controllerEventListeners.size(); |
|
925 |
if (size == 0) return; |
|
926 |
||
927 |
//if (Printer.debug) Printer.debug("sending a controller event");
|
|
928 |
||
929 |
if (! (message instanceof ShortMessage)) {
|
|
930 |
if (Printer.debug) Printer.debug("sendControllerEvents: message is NOT instanceof ShortMessage!");
|
|
931 |
return; |
|
932 |
} |
|
933 |
ShortMessage msg = (ShortMessage) message; |
|
934 |
int controller = msg.getData1(); |
|
935 |
List sendToListeners = new ArrayList(); |
|
936 |
for (int i = 0; i < size; i++) {
|
|
937 |
ControllerListElement cve = (ControllerListElement) controllerEventListeners.get(i); |
|
938 |
for(int j = 0; j < cve.controllers.length; j++) {
|
|
939 |
if (cve.controllers[j] == controller) {
|
|
940 |
sendToListeners.add(cve.listener); |
|
941 |
break; |
|
942 |
} |
|
943 |
} |
|
944 |
} |
|
945 |
eventDispatcher.sendAudioEvents(message, sendToListeners); |
|
946 |
} |
|
947 |
||
948 |
||
949 |
||
950 |
private boolean needCaching() {
|
|
951 |
return !isOpen() || (sequence == null) || (playThread == null); |
|
952 |
} |
|
953 |
||
954 |
/** |
|
955 |
* return the data pump instance, owned by play thread |
|
956 |
* if playthread is null, return null. |
|
957 |
* This method is guaranteed to return non-null if |
|
958 |
* needCaching returns false |
|
959 |
*/ |
|
960 |
private DataPump getDataPump() {
|
|
961 |
if (playThread != null) {
|
|
962 |
return playThread.getDataPump(); |
|
963 |
} |
|
964 |
return null; |
|
965 |
} |
|
966 |
||
967 |
private MidiUtils.TempoCache getTempoCache() {
|
|
968 |
return tempoCache; |
|
969 |
} |
|
970 |
||
971 |
private static boolean[] ensureBoolArraySize(boolean[] array, int desiredSize) {
|
|
972 |
if (array == null) {
|
|
973 |
return new boolean[desiredSize]; |
|
974 |
} |
|
975 |
if (array.length < desiredSize) {
|
|
976 |
boolean[] newArray = new boolean[desiredSize]; |
|
977 |
System.arraycopy(array, 0, newArray, 0, array.length); |
|
978 |
return newArray; |
|
979 |
} |
|
980 |
return array; |
|
981 |
} |
|
982 |
||
983 |
||
984 |
// OVERRIDES OF ABSTRACT MIDI DEVICE METHODS |
|
985 |
||
986 |
protected boolean hasReceivers() {
|
|
987 |
return true; |
|
988 |
} |
|
989 |
||
990 |
// for recording |
|
991 |
protected Receiver createReceiver() throws MidiUnavailableException {
|
|
992 |
return new SequencerReceiver(); |
|
993 |
} |
|
994 |
||
995 |
||
996 |
protected boolean hasTransmitters() {
|
|
997 |
return true; |
|
998 |
} |
|
999 |
||
1000 |
||
1001 |
protected Transmitter createTransmitter() throws MidiUnavailableException {
|
|
1002 |
return new SequencerTransmitter(); |
|
1003 |
} |
|
1004 |
||
1005 |
||
1006 |
// interface AutoConnectSequencer |
|
1007 |
public void setAutoConnect(Receiver autoConnectedReceiver) {
|
|
1008 |
this.autoConnect = (autoConnectedReceiver != null); |
|
1009 |
this.autoConnectedReceiver = autoConnectedReceiver; |
|
1010 |
} |
|
1011 |
||
1012 |
||
1013 |
||
1014 |
// INNER CLASSES |
|
1015 |
||
1016 |
/** |
|
1017 |
* An own class to distinguish the class name from |
|
1018 |
* the transmitter of other devices |
|
1019 |
*/ |
|
1020 |
private class SequencerTransmitter extends BasicTransmitter {
|
|
1021 |
private SequencerTransmitter() {
|
|
1022 |
super(); |
|
1023 |
} |
|
1024 |
} |
|
1025 |
||
1026 |
||
1027 |
class SequencerReceiver extends AbstractReceiver {
|
|
1028 |
||
1029 |
protected void implSend(MidiMessage message, long timeStamp) {
|
|
1030 |
if (recording) {
|
|
1031 |
long tickPos = 0; |
|
1032 |
||
1033 |
// convert timeStamp to ticks |
|
1034 |
if (timeStamp < 0) {
|
|
1035 |
tickPos = getTickPosition(); |
|
1036 |
} else {
|
|
1037 |
synchronized(tempoCache) {
|
|
1038 |
tickPos = MidiUtils.microsecond2tick(sequence, timeStamp, tempoCache); |
|
1039 |
} |
|
1040 |
} |
|
1041 |
||
1042 |
// and record to the first matching Track |
|
1043 |
Track track = null; |
|
1044 |
// do not record real-time events |
|
1045 |
// see 5048381: NullPointerException when saving a MIDI sequence |
|
1046 |
if (message.getLength() > 1) {
|
|
1047 |
if (message instanceof ShortMessage) {
|
|
1048 |
ShortMessage sm = (ShortMessage) message; |
|
1049 |
// all real-time messages have 0xF in the high nibble of the status byte |
|
1050 |
if ((sm.getStatus() & 0xF0) != 0xF0) {
|
|
1051 |
track = RecordingTrack.get(recordingTracks, sm.getChannel()); |
|
1052 |
} |
|
1053 |
} else {
|
|
1054 |
// $$jb: where to record meta, sysex events? |
|
1055 |
// $$fb: the first recording track |
|
1056 |
track = RecordingTrack.get(recordingTracks, -1); |
|
1057 |
} |
|
1058 |
if (track != null) {
|
|
1059 |
// create a copy of this message |
|
1060 |
if (message instanceof ShortMessage) {
|
|
1061 |
message = new FastShortMessage((ShortMessage) message); |
|
1062 |
} else {
|
|
1063 |
message = (MidiMessage) message.clone(); |
|
1064 |
} |
|
1065 |
||
1066 |
// create new MidiEvent |
|
1067 |
MidiEvent me = new MidiEvent(message, tickPos); |
|
1068 |
track.add(me); |
|
1069 |
} |
|
1070 |
} |
|
1071 |
} |
|
1072 |
} |
|
1073 |
} |
|
1074 |
||
1075 |
||
1076 |
private static class RealTimeSequencerInfo extends MidiDevice.Info {
|
|
1077 |
||
1078 |
private static final String name = "Real Time Sequencer"; |
|
|
6832
cb693e02b3ed
6984047: sound sources needs vendor rebranding changes (jdk7 only)
amenkov
parents:
5506
diff
changeset
|
1079 |
private static final String vendor = "Oracle Corporation"; |
| 2 | 1080 |
private static final String description = "Software sequencer"; |
1081 |
private static final String version = "Version 1.0"; |
|
1082 |
||
1083 |
private RealTimeSequencerInfo() {
|
|
1084 |
super(name, vendor, description, version); |
|
1085 |
} |
|
1086 |
} // class Info |
|
1087 |
||
1088 |
||
1089 |
private class ControllerListElement {
|
|
1090 |
||
1091 |
// $$jb: using an array for controllers b/c its |
|
1092 |
// easier to deal with than turning all the |
|
1093 |
// ints into objects to use a Vector |
|
1094 |
int [] controllers; |
|
1095 |
ControllerEventListener listener; |
|
1096 |
||
1097 |
private ControllerListElement(ControllerEventListener listener, int[] controllers) {
|
|
1098 |
||
1099 |
this.listener = listener; |
|
1100 |
if (controllers == null) {
|
|
1101 |
controllers = new int[128]; |
|
1102 |
for (int i = 0; i < 128; i++) {
|
|
1103 |
controllers[i] = i; |
|
1104 |
} |
|
1105 |
} |
|
1106 |
this.controllers = controllers; |
|
1107 |
} |
|
1108 |
||
1109 |
private void addControllers(int[] c) {
|
|
1110 |
||
1111 |
if (c==null) {
|
|
1112 |
controllers = new int[128]; |
|
1113 |
for (int i = 0; i < 128; i++) {
|
|
1114 |
controllers[i] = i; |
|
1115 |
} |
|
1116 |
return; |
|
1117 |
} |
|
1118 |
int temp[] = new int[ controllers.length + c.length ]; |
|
1119 |
int elements; |
|
1120 |
||
1121 |
// first add what we have |
|
1122 |
for(int i=0; i<controllers.length; i++) {
|
|
1123 |
temp[i] = controllers[i]; |
|
1124 |
} |
|
1125 |
elements = controllers.length; |
|
1126 |
// now add the new controllers only if we don't already have them |
|
1127 |
for(int i=0; i<c.length; i++) {
|
|
1128 |
boolean flag = false; |
|
1129 |
||
1130 |
for(int j=0; j<controllers.length; j++) {
|
|
1131 |
if (c[i] == controllers[j]) {
|
|
1132 |
flag = true; |
|
1133 |
break; |
|
1134 |
} |
|
1135 |
} |
|
1136 |
if (!flag) {
|
|
1137 |
temp[elements++] = c[i]; |
|
1138 |
} |
|
1139 |
} |
|
1140 |
// now keep only the elements we need |
|
1141 |
int newc[] = new int[ elements ]; |
|
1142 |
for(int i=0; i<elements; i++){
|
|
1143 |
newc[i] = temp[i]; |
|
1144 |
} |
|
1145 |
controllers = newc; |
|
1146 |
} |
|
1147 |
||
1148 |
private void removeControllers(int[] c) {
|
|
1149 |
||
1150 |
if (c==null) {
|
|
1151 |
controllers = new int[0]; |
|
1152 |
} else {
|
|
1153 |
int temp[] = new int[ controllers.length ]; |
|
1154 |
int elements = 0; |
|
1155 |
||
1156 |
||
1157 |
for(int i=0; i<controllers.length; i++){
|
|
1158 |
boolean flag = false; |
|
1159 |
for(int j=0; j<c.length; j++) {
|
|
1160 |
if (controllers[i] == c[j]) {
|
|
1161 |
flag = true; |
|
1162 |
break; |
|
1163 |
} |
|
1164 |
} |
|
1165 |
if (!flag){
|
|
1166 |
temp[elements++] = controllers[i]; |
|
1167 |
} |
|
1168 |
} |
|
1169 |
// now keep only the elements remaining |
|
1170 |
int newc[] = new int[ elements ]; |
|
1171 |
for(int i=0; i<elements; i++) {
|
|
1172 |
newc[i] = temp[i]; |
|
1173 |
} |
|
1174 |
controllers = newc; |
|
1175 |
||
1176 |
} |
|
1177 |
} |
|
1178 |
||
1179 |
private int[] getControllers() {
|
|
1180 |
||
1181 |
// return a copy of our array of controllers, |
|
1182 |
// so others can't mess with it |
|
1183 |
if (controllers == null) {
|
|
1184 |
return null; |
|
1185 |
} |
|
1186 |
||
1187 |
int c[] = new int[controllers.length]; |
|
1188 |
||
1189 |
for(int i=0; i<controllers.length; i++){
|
|
1190 |
c[i] = controllers[i]; |
|
1191 |
} |
|
1192 |
return c; |
|
1193 |
} |
|
1194 |
||
1195 |
} // class ControllerListElement |
|
1196 |
||
1197 |
||
1198 |
static class RecordingTrack {
|
|
1199 |
||
1200 |
private Track track; |
|
1201 |
private int channel; |
|
1202 |
||
1203 |
RecordingTrack(Track track, int channel) {
|
|
1204 |
this.track = track; |
|
1205 |
this.channel = channel; |
|
1206 |
} |
|
1207 |
||
1208 |
static RecordingTrack get(List recordingTracks, Track track) {
|
|
1209 |
||
1210 |
synchronized(recordingTracks) {
|
|
1211 |
int size = recordingTracks.size(); |
|
1212 |
||
1213 |
for (int i = 0; i < size; i++) {
|
|
1214 |
RecordingTrack current = (RecordingTrack)recordingTracks.get(i); |
|
1215 |
if (current.track == track) {
|
|
1216 |
return current; |
|
1217 |
} |
|
1218 |
} |
|
1219 |
} |
|
1220 |
return null; |
|
1221 |
} |
|
1222 |
||
1223 |
static Track get(List recordingTracks, int channel) {
|
|
1224 |
||
1225 |
synchronized(recordingTracks) {
|
|
1226 |
int size = recordingTracks.size(); |
|
1227 |
for (int i = 0; i < size; i++) {
|
|
1228 |
RecordingTrack current = (RecordingTrack)recordingTracks.get(i); |
|
1229 |
if ((current.channel == channel) || (current.channel == -1)) {
|
|
1230 |
return current.track; |
|
1231 |
} |
|
1232 |
} |
|
1233 |
} |
|
1234 |
return null; |
|
1235 |
||
1236 |
} |
|
1237 |
} |
|
1238 |
||
1239 |
||
1240 |
class PlayThread implements Runnable {
|
|
1241 |
private Thread thread; |
|
1242 |
private Object lock = new Object(); |
|
1243 |
||
1244 |
/** true if playback is interrupted (in close) */ |
|
1245 |
boolean interrupted = false; |
|
1246 |
boolean isPumping = false; |
|
1247 |
||
1248 |
private DataPump dataPump = new DataPump(); |
|
1249 |
||
1250 |
||
1251 |
PlayThread() {
|
|
1252 |
// nearly MAX_PRIORITY |
|
1253 |
int priority = Thread.NORM_PRIORITY |
|
1254 |
+ ((Thread.MAX_PRIORITY - Thread.NORM_PRIORITY) * 3) / 4; |
|
1255 |
thread = JSSecurityManager.createThread(this, |
|
1256 |
"Java Sound Sequencer", // name |
|
1257 |
false, // daemon |
|
1258 |
priority, // priority |
|
1259 |
true); // doStart |
|
1260 |
} |
|
1261 |
||
1262 |
DataPump getDataPump() {
|
|
1263 |
return dataPump; |
|
1264 |
} |
|
1265 |
||
1266 |
synchronized void setSequence(Sequence seq) {
|
|
1267 |
dataPump.setSequence(seq); |
|
1268 |
} |
|
1269 |
||
1270 |
||
1271 |
/** start thread and pump. Requires up-to-date tempoCache */ |
|
1272 |
synchronized void start() {
|
|
1273 |
// mark the sequencer running |
|
1274 |
running = true; |
|
1275 |
||
1276 |
if (!dataPump.hasCachedTempo()) {
|
|
1277 |
long tickPos = getTickPosition(); |
|
1278 |
dataPump.setTempoMPQ(tempoCache.getTempoMPQAt(tickPos)); |
|
1279 |
} |
|
1280 |
dataPump.checkPointMillis = 0; // means restarted |
|
1281 |
dataPump.clearNoteOnCache(); |
|
1282 |
dataPump.needReindex = true; |
|
1283 |
||
1284 |
dataPump.resetLoopCount(); |
|
1285 |
||
1286 |
// notify the thread |
|
1287 |
synchronized(lock) {
|
|
1288 |
lock.notifyAll(); |
|
1289 |
} |
|
1290 |
||
1291 |
if (Printer.debug) Printer.debug(" ->Started MIDI play thread");
|
|
1292 |
||
1293 |
} |
|
1294 |
||
1295 |
// waits until stopped |
|
1296 |
synchronized void stop() {
|
|
1297 |
playThreadImplStop(); |
|
1298 |
long t = System.nanoTime() / 1000000l; |
|
1299 |
while (isPumping) {
|
|
1300 |
synchronized(lock) {
|
|
1301 |
try {
|
|
1302 |
lock.wait(2000); |
|
1303 |
} catch (InterruptedException ie) {
|
|
1304 |
// ignore |
|
1305 |
} |
|
1306 |
} |
|
1307 |
// don't wait for more than 2 seconds |
|
1308 |
if ((System.nanoTime()/1000000l) - t > 1900) {
|
|
1309 |
if (Printer.err) Printer.err("Waited more than 2 seconds in RealTimeSequencer.PlayThread.stop()!");
|
|
1310 |
//break; |
|
1311 |
} |
|
1312 |
} |
|
1313 |
} |
|
1314 |
||
1315 |
void playThreadImplStop() {
|
|
1316 |
// mark the sequencer running |
|
1317 |
running = false; |
|
1318 |
synchronized(lock) {
|
|
1319 |
lock.notifyAll(); |
|
1320 |
} |
|
1321 |
} |
|
1322 |
||
1323 |
void close() {
|
|
1324 |
Thread oldThread = null; |
|
1325 |
synchronized (this) {
|
|
1326 |
// dispose of thread |
|
1327 |
interrupted = true; |
|
1328 |
oldThread = thread; |
|
1329 |
thread = null; |
|
1330 |
} |
|
1331 |
if (oldThread != null) {
|
|
1332 |
// wake up the thread if it's in wait() |
|
1333 |
synchronized(lock) {
|
|
1334 |
lock.notifyAll(); |
|
1335 |
} |
|
1336 |
} |
|
1337 |
// wait for the thread to terminate itself, |
|
1338 |
// but max. 2 seconds. Must not be synchronized! |
|
1339 |
if (oldThread != null) {
|
|
1340 |
try {
|
|
1341 |
oldThread.join(2000); |
|
1342 |
} catch (InterruptedException ie) {}
|
|
1343 |
} |
|
1344 |
} |
|
1345 |
||
1346 |
||
1347 |
/** |
|
1348 |
* Main process loop driving the media flow. |
|
1349 |
* |
|
1350 |
* Make sure to NOT synchronize on RealTimeSequencer |
|
1351 |
* anywhere here (even implicit). That is a sure deadlock! |
|
1352 |
*/ |
|
1353 |
public void run() {
|
|
1354 |
||
1355 |
while (!interrupted) {
|
|
1356 |
boolean EOM = false; |
|
1357 |
boolean wasRunning = running; |
|
1358 |
isPumping = !interrupted && running; |
|
1359 |
while (!EOM && !interrupted && running) {
|
|
1360 |
EOM = dataPump.pump(); |
|
1361 |
||
1362 |
try {
|
|
1363 |
Thread.sleep(1); |
|
1364 |
} catch (InterruptedException ie) {
|
|
1365 |
// ignore |
|
1366 |
} |
|
1367 |
} |
|
1368 |
if (Printer.debug) {
|
|
1369 |
Printer.debug("Exited main pump loop because: ");
|
|
1370 |
if (EOM) Printer.debug(" -> EOM is reached");
|
|
1371 |
if (!running) Printer.debug(" -> running was set to false");
|
|
1372 |
if (interrupted) Printer.debug(" -> interrupted was set to true");
|
|
1373 |
} |
|
1374 |
||
1375 |
playThreadImplStop(); |
|
1376 |
if (wasRunning) {
|
|
1377 |
dataPump.notesOff(true); |
|
1378 |
} |
|
1379 |
if (EOM) {
|
|
1380 |
dataPump.setTickPos(sequence.getTickLength()); |
|
1381 |
||
1382 |
// send EOT event (mis-used for end of media) |
|
1383 |
MetaMessage message = new MetaMessage(); |
|
1384 |
try{
|
|
1385 |
message.setMessage(MidiUtils.META_END_OF_TRACK_TYPE, new byte[0], 0); |
|
1386 |
} catch(InvalidMidiDataException e1) {}
|
|
1387 |
sendMetaEvents(message); |
|
1388 |
} |
|
1389 |
synchronized (lock) {
|
|
1390 |
isPumping = false; |
|
1391 |
// wake up a waiting stop() method |
|
1392 |
lock.notifyAll(); |
|
1393 |
while (!running && !interrupted) {
|
|
1394 |
try {
|
|
1395 |
lock.wait(); |
|
1396 |
} catch (Exception ex) {}
|
|
1397 |
} |
|
1398 |
} |
|
1399 |
} // end of while(!EOM && !interrupted && running) |
|
1400 |
if (Printer.debug) Printer.debug("end of play thread");
|
|
1401 |
} |
|
1402 |
} |
|
1403 |
||
1404 |
||
1405 |
/** |
|
1406 |
* class that does the actual dispatching of events, |
|
1407 |
* used to be in native in MMAPI |
|
1408 |
*/ |
|
1409 |
private class DataPump {
|
|
1410 |
private float currTempo; // MPQ tempo |
|
1411 |
private float tempoFactor; // 1.0 is default |
|
1412 |
private float inverseTempoFactor;// = 1.0 / tempoFactor |
|
1413 |
private long ignoreTempoEventAt; // ignore next META tempo during playback at this tick pos only |
|
1414 |
private int resolution; |
|
1415 |
private float divisionType; |
|
1416 |
private long checkPointMillis; // microseconds at checkoint |
|
1417 |
private long checkPointTick; // ticks at checkpoint |
|
1418 |
private int[] noteOnCache; // bit-mask of notes that are currently on |
|
1419 |
private Track[] tracks; |
|
1420 |
private boolean[] trackDisabled; // if true, do not play this track |
|
1421 |
private int[] trackReadPos; // read index per track |
|
1422 |
private long lastTick; |
|
1423 |
private boolean needReindex = false; |
|
1424 |
private int currLoopCounter = 0; |
|
1425 |
||
1426 |
//private sun.misc.Perf perf = sun.misc.Perf.getPerf(); |
|
1427 |
//private long perfFreq = perf.highResFrequency(); |
|
1428 |
||
1429 |
||
1430 |
DataPump() {
|
|
1431 |
init(); |
|
1432 |
} |
|
1433 |
||
1434 |
synchronized void init() {
|
|
1435 |
ignoreTempoEventAt = -1; |
|
1436 |
tempoFactor = 1.0f; |
|
1437 |
inverseTempoFactor = 1.0f; |
|
1438 |
noteOnCache = new int[128]; |
|
1439 |
tracks = null; |
|
1440 |
trackDisabled = null; |
|
1441 |
} |
|
1442 |
||
1443 |
synchronized void setTickPos(long tickPos) {
|
|
1444 |
long oldLastTick = tickPos; |
|
1445 |
lastTick = tickPos; |
|
1446 |
if (running) {
|
|
1447 |
notesOff(false); |
|
1448 |
} |
|
1449 |
if (running || tickPos > 0) {
|
|
1450 |
// will also reindex |
|
1451 |
chaseEvents(oldLastTick, tickPos); |
|
1452 |
} else {
|
|
1453 |
needReindex = true; |
|
1454 |
} |
|
1455 |
if (!hasCachedTempo()) {
|
|
1456 |
setTempoMPQ(getTempoCache().getTempoMPQAt(lastTick, currTempo)); |
|
1457 |
// treat this as if it is a real time tempo change |
|
1458 |
ignoreTempoEventAt = -1; |
|
1459 |
} |
|
1460 |
// trigger re-configuration |
|
1461 |
checkPointMillis = 0; |
|
1462 |
} |
|
1463 |
||
1464 |
long getTickPos() {
|
|
1465 |
return lastTick; |
|
1466 |
} |
|
1467 |
||
1468 |
// hasCachedTempo is only valid if it is the current position |
|
1469 |
boolean hasCachedTempo() {
|
|
1470 |
if (ignoreTempoEventAt != lastTick) {
|
|
1471 |
ignoreTempoEventAt = -1; |
|
1472 |
} |
|
1473 |
return ignoreTempoEventAt >= 0; |
|
1474 |
} |
|
1475 |
||
1476 |
// this method is also used internally in the pump! |
|
1477 |
synchronized void setTempoMPQ(float tempoMPQ) {
|
|
1478 |
if (tempoMPQ > 0 && tempoMPQ != currTempo) {
|
|
1479 |
ignoreTempoEventAt = lastTick; |
|
1480 |
this.currTempo = tempoMPQ; |
|
1481 |
// re-calculate check point |
|
1482 |
checkPointMillis = 0; |
|
1483 |
} |
|
1484 |
} |
|
1485 |
||
1486 |
float getTempoMPQ() {
|
|
1487 |
return currTempo; |
|
1488 |
} |
|
1489 |
||
1490 |
synchronized void setTempoFactor(float factor) {
|
|
1491 |
if (factor > 0 && factor != this.tempoFactor) {
|
|
1492 |
tempoFactor = factor; |
|
1493 |
inverseTempoFactor = 1.0f / factor; |
|
1494 |
// re-calculate check point |
|
1495 |
checkPointMillis = 0; |
|
1496 |
} |
|
1497 |
} |
|
1498 |
||
1499 |
float getTempoFactor() {
|
|
1500 |
return tempoFactor; |
|
1501 |
} |
|
1502 |
||
1503 |
synchronized void muteSoloChanged() {
|
|
1504 |
boolean[] newDisabled = makeDisabledArray(); |
|
1505 |
if (running) {
|
|
1506 |
applyDisabledTracks(trackDisabled, newDisabled); |
|
1507 |
} |
|
1508 |
trackDisabled = newDisabled; |
|
1509 |
} |
|
1510 |
||
1511 |
||
1512 |
||
1513 |
synchronized void setSequence(Sequence seq) {
|
|
1514 |
if (seq == null) {
|
|
1515 |
init(); |
|
1516 |
return; |
|
1517 |
} |
|
1518 |
tracks = seq.getTracks(); |
|
1519 |
muteSoloChanged(); |
|
1520 |
resolution = seq.getResolution(); |
|
1521 |
divisionType = seq.getDivisionType(); |
|
1522 |
trackReadPos = new int[tracks.length]; |
|
1523 |
// trigger re-initialization |
|
1524 |
checkPointMillis = 0; |
|
1525 |
needReindex = true; |
|
1526 |
} |
|
1527 |
||
1528 |
synchronized void resetLoopCount() {
|
|
1529 |
currLoopCounter = loopCount; |
|
1530 |
} |
|
1531 |
||
1532 |
void clearNoteOnCache() {
|
|
1533 |
for (int i = 0; i < 128; i++) {
|
|
1534 |
noteOnCache[i] = 0; |
|
1535 |
} |
|
1536 |
} |
|
1537 |
||
1538 |
void notesOff(boolean doControllers) {
|
|
1539 |
int done = 0; |
|
1540 |
for (int ch=0; ch<16; ch++) {
|
|
1541 |
int channelMask = (1<<ch); |
|
1542 |
for (int i=0; i<128; i++) {
|
|
1543 |
if ((noteOnCache[i] & channelMask) != 0) {
|
|
1544 |
noteOnCache[i] ^= channelMask; |
|
1545 |
// send note on with velocity 0 |
|
1546 |
getTransmitterList().sendMessage((ShortMessage.NOTE_ON | ch) | (i<<8), -1); |
|
1547 |
done++; |
|
1548 |
} |
|
1549 |
} |
|
1550 |
/* all notes off */ |
|
1551 |
getTransmitterList().sendMessage((ShortMessage.CONTROL_CHANGE | ch) | (123<<8), -1); |
|
1552 |
/* sustain off */ |
|
1553 |
getTransmitterList().sendMessage((ShortMessage.CONTROL_CHANGE | ch) | (64<<8), -1); |
|
1554 |
if (doControllers) {
|
|
1555 |
/* reset all controllers */ |
|
1556 |
getTransmitterList().sendMessage((ShortMessage.CONTROL_CHANGE | ch) | (121<<8), -1); |
|
1557 |
done++; |
|
1558 |
} |
|
1559 |
} |
|
1560 |
if (DEBUG_PUMP) Printer.println(" noteOff: sent "+done+" messages.");
|
|
1561 |
} |
|
1562 |
||
1563 |
||
1564 |
private boolean[] makeDisabledArray() {
|
|
1565 |
if (tracks == null) {
|
|
1566 |
return null; |
|
1567 |
} |
|
1568 |
boolean[] newTrackDisabled = new boolean[tracks.length]; |
|
1569 |
boolean[] solo; |
|
1570 |
boolean[] mute; |
|
1571 |
synchronized(RealTimeSequencer.this) {
|
|
1572 |
mute = trackMuted; |
|
1573 |
solo = trackSolo; |
|
1574 |
} |
|
1575 |
// if one track is solo, then only play solo |
|
1576 |
boolean hasSolo = false; |
|
1577 |
if (solo != null) {
|
|
1578 |
for (int i = 0; i < solo.length; i++) {
|
|
1579 |
if (solo[i]) {
|
|
1580 |
hasSolo = true; |
|
1581 |
break; |
|
1582 |
} |
|
1583 |
} |
|
1584 |
} |
|
1585 |
if (hasSolo) {
|
|
1586 |
// only the channels with solo play, regardless of mute |
|
1587 |
for (int i = 0; i < newTrackDisabled.length; i++) {
|
|
1588 |
newTrackDisabled[i] = (i >= solo.length) || (!solo[i]); |
|
1589 |
} |
|
1590 |
} else {
|
|
1591 |
// mute the selected channels |
|
1592 |
for (int i = 0; i < newTrackDisabled.length; i++) {
|
|
1593 |
newTrackDisabled[i] = (mute != null) && (i < mute.length) && (mute[i]); |
|
1594 |
} |
|
1595 |
} |
|
1596 |
return newTrackDisabled; |
|
1597 |
} |
|
1598 |
||
1599 |
/** |
|
1600 |
* chase all events from beginning of Track |
|
1601 |
* and send note off for those events that are active |
|
1602 |
* in noteOnCache array. |
|
1603 |
* It is possible, of course, to catch notes from other tracks, |
|
1604 |
* but better than more complicated logic to detect |
|
1605 |
* which notes are really from this track |
|
1606 |
*/ |
|
1607 |
private void sendNoteOffIfOn(Track track, long endTick) {
|
|
1608 |
int size = track.size(); |
|
1609 |
int done = 0; |
|
1610 |
try {
|
|
1611 |
for (int i = 0; i < size; i++) {
|
|
1612 |
MidiEvent event = track.get(i); |
|
1613 |
if (event.getTick() > endTick) break; |
|
1614 |
MidiMessage msg = event.getMessage(); |
|
1615 |
int status = msg.getStatus(); |
|
1616 |
int len = msg.getLength(); |
|
1617 |
if (len == 3 && ((status & 0xF0) == ShortMessage.NOTE_ON)) {
|
|
1618 |
int note = -1; |
|
1619 |
if (msg instanceof ShortMessage) {
|
|
1620 |
ShortMessage smsg = (ShortMessage) msg; |
|
1621 |
if (smsg.getData2() > 0) {
|
|
1622 |
// only consider Note On with velocity > 0 |
|
1623 |
note = smsg.getData1(); |
|
1624 |
} |
|
1625 |
} else {
|
|
1626 |
byte[] data = msg.getMessage(); |
|
1627 |
if ((data[2] & 0x7F) > 0) {
|
|
1628 |
// only consider Note On with velocity > 0 |
|
1629 |
note = data[1] & 0x7F; |
|
1630 |
} |
|
1631 |
} |
|
1632 |
if (note >= 0) {
|
|
1633 |
int bit = 1<<(status & 0x0F); |
|
1634 |
if ((noteOnCache[note] & bit) != 0) {
|
|
1635 |
// the bit is set. Send Note Off |
|
1636 |
getTransmitterList().sendMessage(status | (note<<8), -1); |
|
1637 |
// clear the bit |
|
1638 |
noteOnCache[note] &= (0xFFFF ^ bit); |
|
1639 |
done++; |
|
1640 |
} |
|
1641 |
} |
|
1642 |
} |
|
1643 |
} |
|
1644 |
} catch (ArrayIndexOutOfBoundsException aioobe) {
|
|
1645 |
// this happens when messages are removed |
|
1646 |
// from the track while this method executes |
|
1647 |
} |
|
1648 |
if (DEBUG_PUMP) Printer.println(" sendNoteOffIfOn: sent "+done+" messages.");
|
|
1649 |
} |
|
1650 |
||
1651 |
||
1652 |
/** |
|
1653 |
* Runtime application of mute/solo: |
|
1654 |
* if a track is muted that was previously playing, send |
|
1655 |
* note off events for all currently playing notes |
|
1656 |
*/ |
|
1657 |
private void applyDisabledTracks(boolean[] oldDisabled, boolean[] newDisabled) {
|
|
1658 |
byte[][] tempArray = null; |
|
1659 |
synchronized(RealTimeSequencer.this) {
|
|
1660 |
for (int i = 0; i < newDisabled.length; i++) {
|
|
1661 |
if (((oldDisabled == null) |
|
1662 |
|| (i >= oldDisabled.length) |
|
1663 |
|| !oldDisabled[i]) |
|
1664 |
&& newDisabled[i]) {
|
|
1665 |
// case that a track gets muted: need to |
|
1666 |
// send appropriate note off events to prevent |
|
1667 |
// hanging notes |
|
1668 |
||
1669 |
if (tracks.length > i) {
|
|
1670 |
sendNoteOffIfOn(tracks[i], lastTick); |
|
1671 |
} |
|
1672 |
} |
|
1673 |
else if ((oldDisabled != null) |
|
1674 |
&& (i < oldDisabled.length) |
|
1675 |
&& oldDisabled[i] |
|
1676 |
&& !newDisabled[i]) {
|
|
1677 |
// case that a track was muted and is now unmuted |
|
1678 |
// need to chase events and re-index this track |
|
1679 |
if (tempArray == null) {
|
|
1680 |
tempArray = new byte[128][16]; |
|
1681 |
} |
|
1682 |
chaseTrackEvents(i, 0, lastTick, true, tempArray); |
|
1683 |
} |
|
1684 |
} |
|
1685 |
} |
|
1686 |
} |
|
1687 |
||
1688 |
/** go through all events from startTick to endTick |
|
1689 |
* chase the controller state and program change state |
|
1690 |
* and then set the end-states at once. |
|
1691 |
* |
|
1692 |
* needs to be called in synchronized state |
|
1693 |
* @param tempArray an byte[128][16] to hold controller messages |
|
1694 |
*/ |
|
1695 |
private void chaseTrackEvents(int trackNum, |
|
1696 |
long startTick, |
|
1697 |
long endTick, |
|
1698 |
boolean doReindex, |
|
1699 |
byte[][] tempArray) {
|
|
1700 |
if (startTick > endTick) {
|
|
1701 |
// start from the beginning |
|
1702 |
startTick = 0; |
|
1703 |
} |
|
1704 |
byte[] progs = new byte[16]; |
|
1705 |
// init temp array with impossible values |
|
1706 |
for (int ch = 0; ch < 16; ch++) {
|
|
1707 |
progs[ch] = -1; |
|
1708 |
for (int co = 0; co < 128; co++) {
|
|
1709 |
tempArray[co][ch] = -1; |
|
1710 |
} |
|
1711 |
} |
|
1712 |
Track track = tracks[trackNum]; |
|
1713 |
int size = track.size(); |
|
1714 |
try {
|
|
1715 |
for (int i = 0; i < size; i++) {
|
|
1716 |
MidiEvent event = track.get(i); |
|
1717 |
if (event.getTick() >= endTick) {
|
|
1718 |
if (doReindex && (trackNum < trackReadPos.length)) {
|
|
1719 |
trackReadPos[trackNum] = (i > 0)?(i-1):0; |
|
1720 |
if (DEBUG_PUMP) Printer.println(" chaseEvents: setting trackReadPos["+trackNum+"] = "+trackReadPos[trackNum]);
|
|
1721 |
} |
|
1722 |
break; |
|
1723 |
} |
|
1724 |
MidiMessage msg = event.getMessage(); |
|
1725 |
int status = msg.getStatus(); |
|
1726 |
int len = msg.getLength(); |
|
1727 |
if (len == 3 && ((status & 0xF0) == ShortMessage.CONTROL_CHANGE)) {
|
|
1728 |
if (msg instanceof ShortMessage) {
|
|
1729 |
ShortMessage smsg = (ShortMessage) msg; |
|
1730 |
tempArray[smsg.getData1() & 0x7F][status & 0x0F] = (byte) smsg.getData2(); |
|
1731 |
} else {
|
|
1732 |
byte[] data = msg.getMessage(); |
|
1733 |
tempArray[data[1] & 0x7F][status & 0x0F] = data[2]; |
|
1734 |
} |
|
1735 |
} |
|
1736 |
if (len == 2 && ((status & 0xF0) == ShortMessage.PROGRAM_CHANGE)) {
|
|
1737 |
if (msg instanceof ShortMessage) {
|
|
1738 |
ShortMessage smsg = (ShortMessage) msg; |
|
1739 |
progs[status & 0x0F] = (byte) smsg.getData1(); |
|
1740 |
} else {
|
|
1741 |
byte[] data = msg.getMessage(); |
|
1742 |
progs[status & 0x0F] = data[1]; |
|
1743 |
} |
|
1744 |
} |
|
1745 |
} |
|
1746 |
} catch (ArrayIndexOutOfBoundsException aioobe) {
|
|
1747 |
// this happens when messages are removed |
|
1748 |
// from the track while this method executes |
|
1749 |
} |
|
1750 |
int numControllersSent = 0; |
|
1751 |
// now send out the aggregated controllers and program changes |
|
1752 |
for (int ch = 0; ch < 16; ch++) {
|
|
1753 |
for (int co = 0; co < 128; co++) {
|
|
1754 |
byte controllerValue = tempArray[co][ch]; |
|
1755 |
if (controllerValue >= 0) {
|
|
1756 |
int packedMsg = (ShortMessage.CONTROL_CHANGE | ch) | (co<<8) | (controllerValue<<16); |
|
1757 |
getTransmitterList().sendMessage(packedMsg, -1); |
|
1758 |
numControllersSent++; |
|
1759 |
} |
|
1760 |
} |
|
1761 |
// send program change *after* controllers, to |
|
1762 |
// correctly initialize banks |
|
1763 |
if (progs[ch] >= 0) {
|
|
1764 |
getTransmitterList().sendMessage((ShortMessage.PROGRAM_CHANGE | ch) | (progs[ch]<<8), -1); |
|
1765 |
} |
|
1766 |
if (progs[ch] >= 0 || startTick == 0 || endTick == 0) {
|
|
1767 |
// reset pitch bend on this channel (E0 00 40) |
|
1768 |
getTransmitterList().sendMessage((ShortMessage.PITCH_BEND | ch) | (0x40 << 16), -1); |
|
1769 |
// reset sustain pedal on this channel |
|
1770 |
getTransmitterList().sendMessage((ShortMessage.CONTROL_CHANGE | ch) | (64 << 8), -1); |
|
1771 |
} |
|
1772 |
} |
|
1773 |
if (DEBUG_PUMP) Printer.println(" chaseTrackEvents track "+trackNum+": sent "+numControllersSent+" controllers.");
|
|
1774 |
} |
|
1775 |
||
1776 |
||
1777 |
/** chase controllers and program for all tracks */ |
|
1778 |
synchronized void chaseEvents(long startTick, long endTick) {
|
|
1779 |
if (DEBUG_PUMP) Printer.println(">> chaseEvents from tick "+startTick+".."+(endTick-1));
|
|
1780 |
byte[][] tempArray = new byte[128][16]; |
|
1781 |
for (int t = 0; t < tracks.length; t++) {
|
|
1782 |
if ((trackDisabled == null) |
|
1783 |
|| (trackDisabled.length <= t) |
|
1784 |
|| (!trackDisabled[t])) {
|
|
1785 |
// if track is not disabled, chase the events for it |
|
1786 |
chaseTrackEvents(t, startTick, endTick, true, tempArray); |
|
1787 |
} |
|
1788 |
} |
|
1789 |
if (DEBUG_PUMP) Printer.println("<< chaseEvents");
|
|
1790 |
} |
|
1791 |
||
1792 |
||
1793 |
// playback related methods (pumping) |
|
1794 |
||
1795 |
private long getCurrentTimeMillis() {
|
|
1796 |
return System.nanoTime() / 1000000l; |
|
1797 |
//return perf.highResCounter() * 1000 / perfFreq; |
|
1798 |
} |
|
1799 |
||
1800 |
private long millis2tick(long millis) {
|
|
1801 |
if (divisionType != Sequence.PPQ) {
|
|
1802 |
double dTick = ((((double) millis) * tempoFactor) |
|
1803 |
* ((double) divisionType) |
|
1804 |
* ((double) resolution)) |
|
1805 |
/ ((double) 1000); |
|
1806 |
return (long) dTick; |
|
1807 |
} |
|
1808 |
return MidiUtils.microsec2ticks(millis * 1000, |
|
1809 |
currTempo * inverseTempoFactor, |
|
1810 |
resolution); |
|
1811 |
} |
|
1812 |
||
1813 |
private long tick2millis(long tick) {
|
|
1814 |
if (divisionType != Sequence.PPQ) {
|
|
1815 |
double dMillis = ((((double) tick) * 1000) / |
|
1816 |
(tempoFactor * ((double) divisionType) * ((double) resolution))); |
|
1817 |
return (long) dMillis; |
|
1818 |
} |
|
1819 |
return MidiUtils.ticks2microsec(tick, |
|
1820 |
currTempo * inverseTempoFactor, |
|
1821 |
resolution) / 1000; |
|
1822 |
} |
|
1823 |
||
1824 |
private void ReindexTrack(int trackNum, long tick) {
|
|
1825 |
if (trackNum < trackReadPos.length && trackNum < tracks.length) {
|
|
1826 |
trackReadPos[trackNum] = MidiUtils.tick2index(tracks[trackNum], tick); |
|
1827 |
if (DEBUG_PUMP) Printer.println(" reindexTrack: setting trackReadPos["+trackNum+"] = "+trackReadPos[trackNum]);
|
|
1828 |
} |
|
1829 |
} |
|
1830 |
||
1831 |
/* returns if changes are pending */ |
|
1832 |
private boolean dispatchMessage(int trackNum, MidiEvent event) {
|
|
1833 |
boolean changesPending = false; |
|
1834 |
MidiMessage message = event.getMessage(); |
|
1835 |
int msgStatus = message.getStatus(); |
|
1836 |
int msgLen = message.getLength(); |
|
1837 |
if (msgStatus == MetaMessage.META && msgLen >= 2) {
|
|
1838 |
// a meta message. Do not send it to the device. |
|
1839 |
// 0xFF with length=1 is a MIDI realtime message |
|
1840 |
// which shouldn't be in a Sequence, but we play it |
|
1841 |
// nonetheless. |
|
1842 |
||
1843 |
// see if this is a tempo message. Only on track 0. |
|
1844 |
if (trackNum == 0) {
|
|
1845 |
int newTempo = MidiUtils.getTempoMPQ(message); |
|
1846 |
if (newTempo > 0) {
|
|
1847 |
if (event.getTick() != ignoreTempoEventAt) {
|
|
1848 |
setTempoMPQ(newTempo); // sets ignoreTempoEventAt! |
|
1849 |
changesPending = true; |
|
1850 |
} |
|
1851 |
// next loop, do not ignore anymore tempo events. |
|
1852 |
ignoreTempoEventAt = -1; |
|
1853 |
} |
|
1854 |
} |
|
1855 |
// send to listeners |
|
1856 |
sendMetaEvents(message); |
|
1857 |
||
1858 |
} else {
|
|
1859 |
// not meta, send to device |
|
1860 |
getTransmitterList().sendMessage(message, -1); |
|
1861 |
||
1862 |
switch (msgStatus & 0xF0) {
|
|
1863 |
case ShortMessage.NOTE_OFF: {
|
|
1864 |
// note off - clear the bit in the noteOnCache array |
|
1865 |
int note = ((ShortMessage) message).getData1() & 0x7F; |
|
1866 |
noteOnCache[note] &= (0xFFFF ^ (1<<(msgStatus & 0x0F))); |
|
1867 |
break; |
|
1868 |
} |
|
1869 |
||
1870 |
case ShortMessage.NOTE_ON: {
|
|
1871 |
// note on |
|
1872 |
ShortMessage smsg = (ShortMessage) message; |
|
1873 |
int note = smsg.getData1() & 0x7F; |
|
1874 |
int vel = smsg.getData2() & 0x7F; |
|
1875 |
if (vel > 0) {
|
|
1876 |
// if velocity > 0 set the bit in the noteOnCache array |
|
1877 |
noteOnCache[note] |= 1<<(msgStatus & 0x0F); |
|
1878 |
} else {
|
|
1879 |
// if velocity = 0 clear the bit in the noteOnCache array |
|
1880 |
noteOnCache[note] &= (0xFFFF ^ (1<<(msgStatus & 0x0F))); |
|
1881 |
} |
|
1882 |
break; |
|
1883 |
} |
|
1884 |
||
1885 |
case ShortMessage.CONTROL_CHANGE: |
|
1886 |
// if controller message, send controller listeners |
|
1887 |
sendControllerEvents(message); |
|
1888 |
break; |
|
1889 |
||
1890 |
} |
|
1891 |
} |
|
1892 |
return changesPending; |
|
1893 |
} |
|
1894 |
||
1895 |
||
1896 |
/** the main pump method |
|
1897 |
* @return true if end of sequence is reached |
|
1898 |
*/ |
|
1899 |
synchronized boolean pump() {
|
|
1900 |
long currMillis; |
|
1901 |
long targetTick = lastTick; |
|
1902 |
MidiEvent currEvent; |
|
1903 |
boolean changesPending = false; |
|
1904 |
boolean doLoop = false; |
|
1905 |
boolean EOM = false; |
|
1906 |
||
1907 |
currMillis = getCurrentTimeMillis(); |
|
1908 |
int finishedTracks = 0; |
|
1909 |
do {
|
|
1910 |
changesPending = false; |
|
1911 |
||
1912 |
// need to re-find indexes in tracks? |
|
1913 |
if (needReindex) {
|
|
1914 |
if (DEBUG_PUMP) Printer.println("Need to re-index at "+currMillis+" millis. TargetTick="+targetTick);
|
|
1915 |
if (trackReadPos.length < tracks.length) {
|
|
1916 |
trackReadPos = new int[tracks.length]; |
|
1917 |
} |
|
1918 |
for (int t = 0; t < tracks.length; t++) {
|
|
1919 |
ReindexTrack(t, targetTick); |
|
1920 |
if (DEBUG_PUMP_ALL) Printer.println(" Setting trackReadPos["+t+"]="+trackReadPos[t]);
|
|
1921 |
} |
|
1922 |
needReindex = false; |
|
1923 |
checkPointMillis = 0; |
|
1924 |
} |
|
1925 |
||
1926 |
// get target tick from current time in millis |
|
1927 |
if (checkPointMillis == 0) {
|
|
1928 |
// new check point |
|
1929 |
currMillis = getCurrentTimeMillis(); |
|
1930 |
checkPointMillis = currMillis; |
|
1931 |
targetTick = lastTick; |
|
1932 |
checkPointTick = targetTick; |
|
1933 |
if (DEBUG_PUMP) Printer.println("New checkpoint to "+currMillis+" millis. "
|
|
1934 |
+"TargetTick="+targetTick |
|
1935 |
+" new tempo="+MidiUtils.convertTempo(currTempo)+"bpm"); |
|
1936 |
} else {
|
|
1937 |
// calculate current tick based on current time in milliseconds |
|
1938 |
targetTick = checkPointTick + millis2tick(currMillis - checkPointMillis); |
|
1939 |
if (DEBUG_PUMP_ALL) Printer.println("targetTick = "+targetTick+" at "+currMillis+" millis");
|
|
1940 |
if ((loopEnd != -1) |
|
1941 |
&& ((loopCount > 0 && currLoopCounter > 0) |
|
1942 |
|| (loopCount == LOOP_CONTINUOUSLY))) {
|
|
1943 |
if (lastTick <= loopEnd && targetTick >= loopEnd) {
|
|
1944 |
// need to loop! |
|
1945 |
// only play until loop end |
|
1946 |
targetTick = loopEnd - 1; |
|
1947 |
doLoop = true; |
|
1948 |
if (DEBUG_PUMP) Printer.println("set doLoop to true. lastTick="+lastTick
|
|
1949 |
+" targetTick="+targetTick |
|
1950 |
+" loopEnd="+loopEnd |
|
1951 |
+" jumping to loopStart="+loopStart |
|
1952 |
+" new currLoopCounter="+currLoopCounter); |
|
1953 |
if (DEBUG_PUMP) Printer.println(" currMillis="+currMillis
|
|
1954 |
+" checkPointMillis="+checkPointMillis |
|
1955 |
+" checkPointTick="+checkPointTick); |
|
1956 |
||
1957 |
} |
|
1958 |
} |
|
1959 |
lastTick = targetTick; |
|
1960 |
} |
|
1961 |
||
1962 |
finishedTracks = 0; |
|
1963 |
||
1964 |
for (int t = 0; t < tracks.length; t++) {
|
|
1965 |
try {
|
|
1966 |
boolean disabled = trackDisabled[t]; |
|
1967 |
Track thisTrack = tracks[t]; |
|
1968 |
int readPos = trackReadPos[t]; |
|
1969 |
int size = thisTrack.size(); |
|
1970 |
// play all events that are due until targetTick |
|
1971 |
while (!changesPending && (readPos < size) |
|
1972 |
&& (currEvent = thisTrack.get(readPos)).getTick() <= targetTick) {
|
|
1973 |
||
1974 |
if ((readPos == size -1) && MidiUtils.isMetaEndOfTrack(currEvent.getMessage())) {
|
|
1975 |
// do not send out this message. Finished with this track |
|
1976 |
readPos = size; |
|
1977 |
break; |
|
1978 |
} |
|
1979 |
// TODO: some kind of heuristics if the MIDI messages have changed |
|
1980 |
// significantly (i.e. deleted or inserted a bunch of messages) |
|
1981 |
// since last time. Would need to set needReindex = true then |
|
1982 |
readPos++; |
|
1983 |
// only play this event if the track is enabled, |
|
1984 |
// or if it is a tempo message on track 0 |
|
1985 |
// Note: cannot put this check outside |
|
1986 |
// this inner loop in order to detect end of file |
|
1987 |
if (!disabled || |
|
1988 |
((t == 0) && (MidiUtils.isMetaTempo(currEvent.getMessage())))) {
|
|
1989 |
changesPending = dispatchMessage(t, currEvent); |
|
1990 |
} |
|
1991 |
} |
|
1992 |
if (readPos >= size) {
|
|
1993 |
finishedTracks++; |
|
1994 |
} |
|
1995 |
if (DEBUG_PUMP_ALL) {
|
|
1996 |
System.out.print(" pumped track "+t+" ("+size+" events) "
|
|
1997 |
+" from index: "+trackReadPos[t] |
|
1998 |
+" to "+(readPos-1)); |
|
1999 |
System.out.print(" -> ticks: ");
|
|
2000 |
if (trackReadPos[t] < size) {
|
|
2001 |
System.out.print(""+(thisTrack.get(trackReadPos[t]).getTick()));
|
|
2002 |
} else {
|
|
2003 |
System.out.print("EOT");
|
|
2004 |
} |
|
2005 |
System.out.print(" to ");
|
|
2006 |
if (readPos < size) {
|
|
2007 |
System.out.print(""+(thisTrack.get(readPos-1).getTick()));
|
|
2008 |
} else {
|
|
2009 |
System.out.print("EOT");
|
|
2010 |
} |
|
2011 |
System.out.println(); |
|
2012 |
} |
|
2013 |
trackReadPos[t] = readPos; |
|
2014 |
} catch(Exception e) {
|
|
2015 |
if (Printer.debug) Printer.debug("Exception in Sequencer pump!");
|
|
2016 |
if (Printer.debug) e.printStackTrace(); |
|
2017 |
if (e instanceof ArrayIndexOutOfBoundsException) {
|
|
2018 |
needReindex = true; |
|
2019 |
changesPending = true; |
|
2020 |
} |
|
2021 |
} |
|
2022 |
if (changesPending) {
|
|
2023 |
break; |
|
2024 |
} |
|
2025 |
} |
|
2026 |
EOM = (finishedTracks == tracks.length); |
|
2027 |
if (doLoop |
|
2028 |
|| ( ((loopCount > 0 && currLoopCounter > 0) |
|
2029 |
|| (loopCount == LOOP_CONTINUOUSLY)) |
|
2030 |
&& !changesPending |
|
2031 |
&& (loopEnd == -1) |
|
2032 |
&& EOM)) {
|
|
2033 |
||
2034 |
long oldCheckPointMillis = checkPointMillis; |
|
2035 |
long loopEndTick = loopEnd; |
|
2036 |
if (loopEndTick == -1) {
|
|
2037 |
loopEndTick = lastTick; |
|
2038 |
} |
|
2039 |
||
2040 |
// need to loop back! |
|
2041 |
if (loopCount != LOOP_CONTINUOUSLY) {
|
|
2042 |
currLoopCounter--; |
|
2043 |
} |
|
2044 |
if (DEBUG_PUMP) Printer.println("Execute loop: lastTick="+lastTick
|
|
2045 |
+" loopEnd="+loopEnd |
|
2046 |
+" jumping to loopStart="+loopStart |
|
2047 |
+" new currLoopCounter="+currLoopCounter); |
|
2048 |
setTickPos(loopStart); |
|
2049 |
// now patch the checkPointMillis so that |
|
2050 |
// it points to the exact beginning of when the loop was finished |
|
2051 |
||
2052 |
// $$fb TODO: although this is mathematically correct (i.e. the loop position |
|
2053 |
// is correct, and doesn't drift away with several repetition, |
|
2054 |
// there is a slight lag when looping back, probably caused |
|
2055 |
// by the chasing. |
|
2056 |
||
2057 |
checkPointMillis = oldCheckPointMillis + tick2millis(loopEndTick - checkPointTick); |
|
2058 |
checkPointTick = loopStart; |
|
2059 |
if (DEBUG_PUMP) Printer.println(" Setting currMillis="+currMillis
|
|
2060 |
+" new checkPointMillis="+checkPointMillis |
|
2061 |
+" new checkPointTick="+checkPointTick); |
|
2062 |
// no need for reindexing, is done in setTickPos |
|
2063 |
needReindex = false; |
|
2064 |
changesPending = false; |
|
2065 |
// reset doLoop flag |
|
2066 |
doLoop = false; |
|
2067 |
EOM = false; |
|
2068 |
} |
|
2069 |
} while (changesPending); |
|
2070 |
||
2071 |
return EOM; |
|
2072 |
} |
|
2073 |
||
2074 |
} // class DataPump |
|
2075 |
||
2076 |
} |