author | serb |
Thu, 18 Feb 2016 22:11:29 +0300 | |
changeset 36454 | d2853d1fc614 |
parent 32865 | f9cb6e427f9e |
child 37557 | 00d5cb18c86b |
permissions | -rw-r--r-- |
2 | 1 |
/* |
18215 | 2 |
* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
2 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
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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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5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 10 |
* |
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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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5506 | 21 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
22 |
* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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2 | 24 |
*/ |
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package com.sun.media.sound; |
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||
28 |
import java.io.IOException; |
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29 |
import java.io.InputStream; |
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30 |
import java.io.BufferedInputStream; |
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31 |
import java.io.ByteArrayOutputStream; |
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32 |
import java.applet.AudioClip; |
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33 |
||
34 |
import javax.sound.sampled.AudioSystem; |
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import javax.sound.sampled.Clip; |
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36 |
import javax.sound.sampled.AudioInputStream; |
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import javax.sound.sampled.AudioFormat; |
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import javax.sound.sampled.DataLine; |
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import javax.sound.sampled.SourceDataLine; |
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import javax.sound.sampled.LineEvent; |
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import javax.sound.sampled.LineListener; |
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import javax.sound.sampled.UnsupportedAudioFileException; |
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||
44 |
import javax.sound.midi.MidiSystem; |
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import javax.sound.midi.MidiFileFormat; |
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import javax.sound.midi.MetaMessage; |
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import javax.sound.midi.Sequence; |
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import javax.sound.midi.Sequencer; |
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import javax.sound.midi.InvalidMidiDataException; |
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import javax.sound.midi.MidiUnavailableException; |
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import javax.sound.midi.MetaEventListener; |
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||
53 |
/** |
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* Java Sound audio clip; |
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* |
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* @author Arthur van Hoff, Kara Kytle, Jan Borgersen |
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* @author Florian Bomers |
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*/ |
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||
18215 | 60 |
public final class JavaSoundAudioClip implements AudioClip, MetaEventListener, LineListener { |
2 | 61 |
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62 |
private static final boolean DEBUG = false; |
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63 |
private static final int BUFFER_SIZE = 16384; // number of bytes written each time to the source data line |
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64 |
||
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private long lastPlayCall = 0; |
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private static final int MINIMUM_PLAY_DELAY = 30; |
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||
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private byte loadedAudio[] = null; |
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private int loadedAudioByteLength = 0; |
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private AudioFormat loadedAudioFormat = null; |
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||
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private AutoClosingClip clip = null; |
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private boolean clipLooping = false; |
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||
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private DataPusher datapusher = null; |
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||
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private Sequencer sequencer = null; |
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private Sequence sequence = null; |
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private boolean sequencerloop = false; |
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||
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/** |
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* used for determining how many samples is the |
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* threshhold between playing as a Clip and streaming |
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* from the file. |
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* |
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* $$jb: 11.07.99: the engine has a limit of 1M |
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* samples to play as a Clip, so compare this number |
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* with the number of samples in the stream. |
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* |
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*/ |
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32865
f9cb6e427f9e
8136783: Run blessed-modifier-order script on java.desktop
prr
parents:
25859
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changeset
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private static final long CLIP_THRESHOLD = 1048576; |
2 | 92 |
//private final static long CLIP_THRESHOLD = 1; |
32865
f9cb6e427f9e
8136783: Run blessed-modifier-order script on java.desktop
prr
parents:
25859
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changeset
|
93 |
private static final int STREAM_BUFFER_SIZE = 1024; |
2 | 94 |
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public JavaSoundAudioClip(InputStream in) throws IOException { |
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if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip.<init>"); |
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BufferedInputStream bis = new BufferedInputStream(in, STREAM_BUFFER_SIZE); |
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bis.mark(STREAM_BUFFER_SIZE); |
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boolean success = false; |
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try { |
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AudioInputStream as = AudioSystem.getAudioInputStream(bis); |
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// load the stream data into memory |
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success = loadAudioData(as); |
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106 |
if (success) { |
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success = false; |
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108 |
if (loadedAudioByteLength < CLIP_THRESHOLD) { |
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success = createClip(); |
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} |
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if (!success) { |
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success = createSourceDataLine(); |
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} |
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} |
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115 |
} catch (UnsupportedAudioFileException e) { |
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// not an audio file |
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117 |
try { |
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MidiFileFormat mff = MidiSystem.getMidiFileFormat(bis); |
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success = createSequencer(bis); |
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120 |
} catch (InvalidMidiDataException e1) { |
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success = false; |
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} |
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123 |
} |
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124 |
if (!success) { |
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125 |
throw new IOException("Unable to create AudioClip from input stream"); |
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} |
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} |
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public synchronized void play() { |
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startImpl(false); |
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} |
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133 |
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134 |
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135 |
public synchronized void loop() { |
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startImpl(true); |
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} |
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138 |
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139 |
private synchronized void startImpl(boolean loop) { |
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140 |
// hack for some applets that call the start method very rapidly... |
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141 |
long currentTime = System.currentTimeMillis(); |
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long diff = currentTime - lastPlayCall; |
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143 |
if (diff < MINIMUM_PLAY_DELAY) { |
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if (DEBUG || Printer.debug) Printer.debug("JavaSoundAudioClip.startImpl(loop="+loop+"): abort - too rapdly"); |
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return; |
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} |
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lastPlayCall = currentTime; |
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149 |
if (DEBUG || Printer.debug) Printer.debug("JavaSoundAudioClip.startImpl(loop="+loop+")"); |
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try { |
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if (clip != null) { |
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152 |
if (!clip.isOpen()) { |
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153 |
if (DEBUG || Printer.trace)Printer.trace("JavaSoundAudioClip: clip.open()"); |
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154 |
clip.open(loadedAudioFormat, loadedAudio, 0, loadedAudioByteLength); |
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} else { |
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if (DEBUG || Printer.trace)Printer.trace("JavaSoundAudioClip: clip.flush()"); |
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clip.flush(); |
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if (loop != clipLooping) { |
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// need to stop in case the looped status changed |
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if (DEBUG || Printer.trace)Printer.trace("JavaSoundAudioClip: clip.stop()"); |
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clip.stop(); |
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} |
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} |
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clip.setFramePosition(0); |
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if (loop) { |
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if (DEBUG || Printer.trace)Printer.trace("JavaSoundAudioClip: clip.loop()"); |
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clip.loop(Clip.LOOP_CONTINUOUSLY); |
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} else { |
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if (DEBUG || Printer.trace)Printer.trace("JavaSoundAudioClip: clip.start()"); |
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clip.start(); |
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} |
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clipLooping = loop; |
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if (DEBUG || Printer.debug)Printer.debug("Clip should be playing/looping"); |
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||
175 |
} else if (datapusher != null ) { |
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datapusher.start(loop); |
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if (DEBUG || Printer.debug)Printer.debug("Stream should be playing/looping"); |
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||
179 |
} else if (sequencer != null) { |
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sequencerloop = loop; |
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if (sequencer.isRunning()) { |
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sequencer.setMicrosecondPosition(0); |
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} |
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if (!sequencer.isOpen()) { |
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try { |
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sequencer.open(); |
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sequencer.setSequence(sequence); |
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189 |
} catch (InvalidMidiDataException e1) { |
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if (DEBUG || Printer.err)e1.printStackTrace(); |
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} catch (MidiUnavailableException e2) { |
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if (DEBUG || Printer.err)e2.printStackTrace(); |
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} |
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} |
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sequencer.addMetaEventListener(this); |
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try { |
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sequencer.start(); |
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198 |
} catch (Exception e) { |
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if (DEBUG || Printer.err) e.printStackTrace(); |
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} |
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if (DEBUG || Printer.debug)Printer.debug("Sequencer should be playing/looping"); |
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} |
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203 |
} catch (Exception e) { |
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204 |
if (DEBUG || Printer.err)e.printStackTrace(); |
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} |
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206 |
} |
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207 |
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208 |
public synchronized void stop() { |
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209 |
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210 |
if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip->stop()"); |
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lastPlayCall = 0; |
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212 |
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213 |
if (clip != null) { |
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try { |
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215 |
if (DEBUG || Printer.trace)Printer.trace("JavaSoundAudioClip: clip.flush()"); |
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clip.flush(); |
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217 |
} catch (Exception e1) { |
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if (Printer.err) e1.printStackTrace(); |
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219 |
} |
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220 |
try { |
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if (DEBUG || Printer.trace)Printer.trace("JavaSoundAudioClip: clip.stop()"); |
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clip.stop(); |
|
223 |
} catch (Exception e2) { |
|
224 |
if (Printer.err) e2.printStackTrace(); |
|
225 |
} |
|
226 |
if (DEBUG || Printer.debug)Printer.debug("Clip should be stopped"); |
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227 |
||
228 |
} else if (datapusher != null) { |
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229 |
datapusher.stop(); |
|
230 |
if (DEBUG || Printer.debug)Printer.debug("Stream should be stopped"); |
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231 |
||
232 |
} else if (sequencer != null) { |
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233 |
try { |
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234 |
sequencerloop = false; |
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235 |
sequencer.addMetaEventListener(this); |
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236 |
sequencer.stop(); |
|
237 |
} catch (Exception e3) { |
|
238 |
if (Printer.err) e3.printStackTrace(); |
|
239 |
} |
|
240 |
try { |
|
241 |
sequencer.close(); |
|
242 |
} catch (Exception e4) { |
|
243 |
if (Printer.err) e4.printStackTrace(); |
|
244 |
} |
|
245 |
if (DEBUG || Printer.debug)Printer.debug("Sequencer should be stopped"); |
|
246 |
} |
|
247 |
} |
|
248 |
||
249 |
// Event handlers (for debugging) |
|
250 |
||
251 |
public synchronized void update(LineEvent event) { |
|
252 |
if (DEBUG || Printer.debug) Printer.debug("line event received: "+event); |
|
253 |
} |
|
254 |
||
255 |
// handle MIDI track end meta events for looping |
|
256 |
||
257 |
public synchronized void meta( MetaMessage message ) { |
|
258 |
||
259 |
if (DEBUG || Printer.debug)Printer.debug("META EVENT RECEIVED!!!!! "); |
|
260 |
||
261 |
if( message.getType() == 47 ) { |
|
262 |
if (sequencerloop){ |
|
263 |
//notifyAll(); |
|
264 |
sequencer.setMicrosecondPosition(0); |
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265 |
loop(); |
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266 |
} else { |
|
267 |
stop(); |
|
268 |
} |
|
269 |
} |
|
270 |
} |
|
271 |
||
272 |
||
273 |
public String toString() { |
|
274 |
return getClass().toString(); |
|
275 |
} |
|
276 |
||
277 |
||
278 |
protected void finalize() { |
|
279 |
||
280 |
if (clip != null) { |
|
281 |
if (DEBUG || Printer.trace)Printer.trace("JavaSoundAudioClip.finalize: clip.close()"); |
|
282 |
clip.close(); |
|
283 |
} |
|
284 |
||
285 |
//$$fb 2001-09-26: may improve situation related to bug #4302884 |
|
286 |
if (datapusher != null) { |
|
287 |
datapusher.close(); |
|
288 |
} |
|
289 |
||
290 |
if (sequencer != null) { |
|
291 |
sequencer.close(); |
|
292 |
} |
|
293 |
} |
|
294 |
||
295 |
// FILE LOADING METHODS |
|
296 |
||
297 |
private boolean loadAudioData(AudioInputStream as) throws IOException, UnsupportedAudioFileException { |
|
298 |
if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip->openAsClip()"); |
|
299 |
||
300 |
// first possibly convert this stream to PCM |
|
301 |
as = Toolkit.getPCMConvertedAudioInputStream(as); |
|
302 |
if (as == null) { |
|
303 |
return false; |
|
304 |
} |
|
305 |
||
306 |
loadedAudioFormat = as.getFormat(); |
|
307 |
long frameLen = as.getFrameLength(); |
|
308 |
int frameSize = loadedAudioFormat.getFrameSize(); |
|
309 |
long byteLen = AudioSystem.NOT_SPECIFIED; |
|
310 |
if (frameLen != AudioSystem.NOT_SPECIFIED |
|
311 |
&& frameLen > 0 |
|
312 |
&& frameSize != AudioSystem.NOT_SPECIFIED |
|
313 |
&& frameSize > 0) { |
|
314 |
byteLen = frameLen * frameSize; |
|
315 |
} |
|
316 |
if (byteLen != AudioSystem.NOT_SPECIFIED) { |
|
317 |
// if the stream length is known, it can be efficiently loaded into memory |
|
318 |
readStream(as, byteLen); |
|
319 |
} else { |
|
320 |
// otherwise we use a ByteArrayOutputStream to load it into memory |
|
321 |
readStream(as); |
|
322 |
} |
|
323 |
||
324 |
// if everything went fine, we have now the audio data in |
|
325 |
// loadedAudio, and the byte length in loadedAudioByteLength |
|
326 |
return true; |
|
327 |
} |
|
328 |
||
329 |
||
330 |
||
331 |
private void readStream(AudioInputStream as, long byteLen) throws IOException { |
|
332 |
// arrays "only" max. 2GB |
|
333 |
int intLen; |
|
334 |
if (byteLen > 2147483647) { |
|
335 |
intLen = 2147483647; |
|
336 |
} else { |
|
337 |
intLen = (int) byteLen; |
|
338 |
} |
|
339 |
loadedAudio = new byte[intLen]; |
|
340 |
loadedAudioByteLength = 0; |
|
341 |
||
342 |
// this loop may throw an IOException |
|
343 |
while (true) { |
|
344 |
int bytesRead = as.read(loadedAudio, loadedAudioByteLength, intLen - loadedAudioByteLength); |
|
345 |
if (bytesRead <= 0) { |
|
346 |
as.close(); |
|
347 |
break; |
|
348 |
} |
|
349 |
loadedAudioByteLength += bytesRead; |
|
350 |
} |
|
351 |
} |
|
352 |
||
353 |
private void readStream(AudioInputStream as) throws IOException { |
|
354 |
||
355 |
DirectBAOS baos = new DirectBAOS(); |
|
356 |
byte buffer[] = new byte[16384]; |
|
357 |
int bytesRead = 0; |
|
358 |
int totalBytesRead = 0; |
|
359 |
||
360 |
// this loop may throw an IOException |
|
361 |
while( true ) { |
|
362 |
bytesRead = as.read(buffer, 0, buffer.length); |
|
363 |
if (bytesRead <= 0) { |
|
364 |
as.close(); |
|
365 |
break; |
|
366 |
} |
|
367 |
totalBytesRead += bytesRead; |
|
368 |
baos.write(buffer, 0, bytesRead); |
|
369 |
} |
|
370 |
loadedAudio = baos.getInternalBuffer(); |
|
371 |
loadedAudioByteLength = totalBytesRead; |
|
372 |
} |
|
373 |
||
374 |
||
375 |
// METHODS FOR CREATING THE DEVICE |
|
376 |
||
377 |
private boolean createClip() { |
|
378 |
||
379 |
if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip.createClip()"); |
|
380 |
||
381 |
try { |
|
382 |
DataLine.Info info = new DataLine.Info(Clip.class, loadedAudioFormat); |
|
383 |
if (!(AudioSystem.isLineSupported(info)) ) { |
|
384 |
if (DEBUG || Printer.err)Printer.err("Clip not supported: "+loadedAudioFormat); |
|
385 |
// fail silently |
|
386 |
return false; |
|
387 |
} |
|
388 |
Object line = AudioSystem.getLine(info); |
|
389 |
if (!(line instanceof AutoClosingClip)) { |
|
390 |
if (DEBUG || Printer.err)Printer.err("Clip is not auto closing!"+clip); |
|
391 |
// fail -> will try with SourceDataLine |
|
392 |
return false; |
|
393 |
} |
|
394 |
clip = (AutoClosingClip) line; |
|
395 |
clip.setAutoClosing(true); |
|
396 |
if (DEBUG || Printer.debug) clip.addLineListener(this); |
|
397 |
} catch (Exception e) { |
|
398 |
if (DEBUG || Printer.err)e.printStackTrace(); |
|
399 |
// fail silently |
|
400 |
return false; |
|
401 |
} |
|
402 |
||
403 |
if (clip==null) { |
|
404 |
// fail silently |
|
405 |
return false; |
|
406 |
} |
|
407 |
||
408 |
if (DEBUG || Printer.debug)Printer.debug("Loaded clip."); |
|
409 |
return true; |
|
410 |
} |
|
411 |
||
412 |
private boolean createSourceDataLine() { |
|
413 |
if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip.createSourceDataLine()"); |
|
414 |
try { |
|
415 |
DataLine.Info info = new DataLine.Info(SourceDataLine.class, loadedAudioFormat); |
|
416 |
if (!(AudioSystem.isLineSupported(info)) ) { |
|
417 |
if (DEBUG || Printer.err)Printer.err("Line not supported: "+loadedAudioFormat); |
|
418 |
// fail silently |
|
419 |
return false; |
|
420 |
} |
|
421 |
SourceDataLine source = (SourceDataLine) AudioSystem.getLine(info); |
|
422 |
datapusher = new DataPusher(source, loadedAudioFormat, loadedAudio, loadedAudioByteLength); |
|
423 |
} catch (Exception e) { |
|
424 |
if (DEBUG || Printer.err)e.printStackTrace(); |
|
425 |
// fail silently |
|
426 |
return false; |
|
427 |
} |
|
428 |
||
429 |
if (datapusher==null) { |
|
430 |
// fail silently |
|
431 |
return false; |
|
432 |
} |
|
433 |
||
434 |
if (DEBUG || Printer.debug)Printer.debug("Created SourceDataLine."); |
|
435 |
return true; |
|
436 |
} |
|
437 |
||
438 |
private boolean createSequencer(BufferedInputStream in) throws IOException { |
|
439 |
||
440 |
if (DEBUG || Printer.debug)Printer.debug("JavaSoundAudioClip.createSequencer()"); |
|
441 |
||
442 |
// get the sequencer |
|
443 |
try { |
|
444 |
sequencer = MidiSystem.getSequencer( ); |
|
445 |
} catch(MidiUnavailableException me) { |
|
446 |
if (DEBUG || Printer.err)me.printStackTrace(); |
|
447 |
return false; |
|
448 |
} |
|
449 |
if (sequencer==null) { |
|
450 |
return false; |
|
451 |
} |
|
452 |
||
453 |
try { |
|
454 |
sequence = MidiSystem.getSequence(in); |
|
455 |
if (sequence == null) { |
|
456 |
return false; |
|
457 |
} |
|
458 |
} catch (InvalidMidiDataException e) { |
|
459 |
if (DEBUG || Printer.err)e.printStackTrace(); |
|
460 |
return false; |
|
461 |
} |
|
462 |
||
463 |
if (DEBUG || Printer.debug)Printer.debug("Created Sequencer."); |
|
464 |
return true; |
|
465 |
} |
|
466 |
||
467 |
||
468 |
/* |
|
469 |
* private inner class representing a ByteArrayOutputStream |
|
470 |
* which allows retrieval of the internal array |
|
471 |
*/ |
|
472 |
private static class DirectBAOS extends ByteArrayOutputStream { |
|
18215 | 473 |
DirectBAOS() { |
2 | 474 |
super(); |
475 |
} |
|
476 |
||
477 |
public byte[] getInternalBuffer() { |
|
478 |
return buf; |
|
479 |
} |
|
480 |
||
481 |
} // class DirectBAOS |
|
482 |
||
483 |
} |