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mp3 playing capabilities.

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git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@1964 542714f4-19e9-0310-aa3c-eee0fc999fb1
This commit is contained in:
Ray Greenwell
2002-11-20 01:33:34 +00:00
parent 20e9ccae57
commit 7da8317928
2 changed files with 188 additions and 22 deletions
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src/java/com/threerings/media/MP3Manager.java
+110
View File
@@ -0,0 +1,110 @@
//
// $Id: MP3Manager.java,v 1.1 2002/11/20 01:33:34 ray Exp $
package com.threerings.media;
import java.io.BufferedInputStream;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.DataLine.Info;
import javax.sound.sampled.DataLine;
import javax.sound.sampled.Line;
import javax.sound.sampled.LineUnavailableException;
import javax.sound.sampled.SourceDataLine;
import org.apache.commons.io.StreamUtils;
import com.threerings.resource.ResourceManager;
/**
* Does something extraordinary.
*/
public class MP3Manager
{
public MP3Manager (ResourceManager rmgr, SoundManager smgr)
{
_rmgr = rmgr;
_smgr = smgr;
}
public void stop ()
{
_player = null;
}
public void start (final String path)
{
_player = new Thread("narya mp3 relay") {
public void run () {
AudioInputStream inStream = null;
try {
inStream = AudioSystem.getAudioInputStream(
// new ByteArrayInputStream(StreamUtils.streamAsBytes(
// _rmgr.getResource(path), 8192)));
new BufferedInputStream(_rmgr.getResource(path), 4096));
} catch (Exception e) {
Log.warning("MP3 fuckola [path=" + path +
", e=" + e + "].");
return;
}
AudioFormat sourceFormat = inStream.getFormat();
AudioFormat.Encoding targetEnc =
AudioFormat.Encoding.PCM_SIGNED;
inStream = AudioSystem.getAudioInputStream(
targetEnc, inStream);
AudioFormat format = inStream.getFormat();
SourceDataLine line = null;
DataLine.Info info = new DataLine.Info(
SourceDataLine.class, format);
try {
line = (SourceDataLine) AudioSystem.getLine(info);
line.open(format);
} catch (LineUnavailableException lue) {
Log.warning("MP3 line unavailable: " + lue);
return;
}
line.start();
byte[] data = new byte[BUFFER_SIZE];
int count = 0;
while (_player == Thread.currentThread()) {
try {
count = inStream.read(data, 0, data.length);
} catch (IOException ioe) {
Log.warning("Error reading MP3: " + ioe);
break;
}
if (count >= 0) {
line.write(data, 0, count);
} else {
break;
}
}
line.close();
_smgr.songStopEvent();
}
};
_player.setDaemon(true);
_player.setPriority(_player.getPriority() + 1);
_player.start();
}
protected Thread _player;
protected ResourceManager _rmgr;
protected SoundManager _smgr;
protected static final int BUFFER_SIZE = 128000;
}
src/java/com/threerings/media/sound/SoundManager.java
+78 -22
View File
@@ -1,5 +1,5 @@
//
// $Id: SoundManager.java,v 1.19 2002/11/19 21:17:35 ray Exp $
// $Id: SoundManager.java,v 1.20 2002/11/20 01:33:34 ray Exp $
package com.threerings.media;
@@ -103,7 +103,7 @@ public class SoundManager
// create a thread to plays sounds and load sound
// data from the resource manager
_player = new Thread() {
_player = new Thread("narya SoundManager") {
public void run () {
Object command = null;
String path = null;
@@ -493,16 +493,20 @@ public class SoundManager
// start the new one
try {
_sequencer.setSequence(getMidiData(info.path));
if (info.msPosition != -1) {
// TODO: this doesn't work correctly
_sequencer.setTickPosition(info.tickPosition);
_sequencer.setMicrosecondPosition(info.msPosition);
info.msPosition = -1;
if (info.path.endsWith(".mp3")) {
_mp3player.start(info.path);
} else {
_sequencer.setSequence(getMidiData(info.path));
if (info.msPosition != -1) {
// TODO: this doesn't work correctly
_sequencer.setTickPosition(info.tickPosition);
_sequencer.setMicrosecondPosition(info.msPosition);
info.msPosition = -1;
}
_sequencer.start();
//updateMusicVolume();
//Log.info("Now playing : " + info.path);
}
_sequencer.start();
//updateMusicVolume();
//Log.info("Now playing : " + info.path);
} catch (InvalidMidiDataException imda) {
Log.warning("Invalid midi data, not playing [path=" +
@@ -523,16 +527,20 @@ public class SoundManager
return;
}
// see what was playing
MidiInfo current = (MidiInfo) _midiStack.getFirst();
// stop the existing song
if (!wasStopped) {
// TODO: fade?
_stoppingSong = true;
_sequencer.stop();
if (current.path.endsWith(".mp3")) {
_mp3player.stop();
} else {
_sequencer.stop();
}
}
// see what was playing
MidiInfo current = (MidiInfo) _midiStack.getFirst();
switch (current.loops) {
default:
current.loops--;
@@ -563,9 +571,15 @@ public class SoundManager
// if we're currently playing this song..
if (path.equals(current.path)) {
// stop it
_stoppingSong = true;
_sequencer.stop();
if (path.endsWith(".mp3")) {
_mp3player.stop();
} else {
_sequencer.stop();
}
// remove it from the stack
_midiStack.removeFirst();
// start playing the next..
@@ -592,8 +606,11 @@ public class SoundManager
*/
protected void initMidi ()
{
_mp3player = new MP3Manager(_rmgr, this);
try {
Sequencer seq = MidiSystem.getSequencer();
// Sequencer seq = getTritonusSequencer();
seq.open();
if (seq instanceof Synthesizer) {
_midiChannels = ((Synthesizer) seq).getChannels();
@@ -602,12 +619,42 @@ public class SoundManager
_sequencer = seq;
_sequencer.addMetaEventListener(this);
Log.info("Seq class: " + _sequencer.getClass());
// _sequencer.getTransmitter().setReceiver(new Receiver() {
// public void close ()
// {
// }
//
// public void send (javax.sound.midi.MidiMessage msg, long stamp)
// {
// Log.info("msg : " + msg);
// }
// });
} catch (MidiUnavailableException mue) {
Log.warning("Midi unavailable. Can't play music.");
return;
}
}
protected Sequencer getTritonusSequencer ()
throws MidiUnavailableException
{
MidiDevice.Info[] info = MidiSystem.getMidiDeviceInfo();
for (int ii=0; ii < info.length; ii++) {
if (info[ii].toString().indexOf("Tritonus") != -1) {
MidiDevice dev = MidiSystem.getMidiDevice(info[ii]);
if (dev instanceof Sequencer) {
return (Sequencer) dev;
}
}
}
Log.info("ACK SPUTTER!");
return MidiSystem.getSequencer();
}
/**
* Stop playing and shutdown the midi system.
*/
@@ -647,13 +694,20 @@ public class SoundManager
// new String(msg.getData()));
if (msg.getType() == MIDI_END_OF_TRACK) {
songStopEvent();
}
}
if (_stoppingSong) {
_stoppingSong = false;
} else {
stopCurrentSong(true);
playTopSong();
}
/**
* Submitted by external players like the MP3Manager.
*/
public void songStopEvent ()
{
if (_stoppingSong) {
_stoppingSong = false;
} else {
stopCurrentSong(true);
playTopSong();
}
}
@@ -1018,6 +1072,8 @@ public class SoundManager
/** The sequencer that plays midi music. */
protected Sequencer _sequencer;
protected MP3Manager _mp3player;
/** The receiver used to send midi from the sequencer to an alternate
* midi device. */
protected Receiver _receiver;