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Chords
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WIP: work on new track player system.

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Nekojimi 3 years ago
parent 3f5ed0af08
commit f64ed119a7
2 changed files with 217 additions and 74 deletions
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  1. 153
      src/main/java/moe/nekojimi/chords/MusicHandler.java
  2. 138
      src/main/java/moe/nekojimi/chords/TrackPlayer.java

153
src/main/java/moe/nekojimi/chords/MusicHandler.java
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@ -13,9 +13,6 @@ import java.util.Queue;
import java.util.function.Consumer;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
import net.dv8tion.jda.api.audio.AudioSendHandler;
import org.apache.commons.io.input.buffer.CircularByteBuffer;
@ -27,11 +24,7 @@ import org.apache.commons.io.input.buffer.CircularByteBuffer;
public class MusicHandler implements AudioSendHandler, Closeable, Consumer<Song>
{
private static final int DESIRED_BUFFER_SIZE = 3840 * 500;
private final LinkedList<Song> songQueue = new LinkedList<>();
private Song currentSong;
private AudioInputStream din = null;
// private final Queue<byte[]> queue = new ConcurrentLinkedQueue<>();
private final CircularByteBuffer audioBuffer = new CircularByteBuffer(3840 * 1024);
private boolean playing = true;
@ -39,6 +32,9 @@ public class MusicHandler implements AudioSendHandler, Closeable, Consumer<Song>
private boolean arrayErr = false;
private Song currentSong;
private TrackPlayer player;
public MusicHandler()
{
}
@ -83,16 +79,13 @@ public class MusicHandler implements AudioSendHandler, Closeable, Consumer<Song>
public boolean nextSong(boolean immediate)
{
if (immediate)
{
System.out.println("Immediate next - clearing buffer");
audioBuffer.clear();
}
AudioInputStream in = null;
try
{
if (din != null)
{
din.close();
din = null;
}
if (currentSong != null)
{
if (!currentSong.isKept())
@ -104,12 +97,9 @@ public class MusicHandler implements AudioSendHandler, Closeable, Consumer<Song>
return false;
System.out.println("Playing song " + currentSong.getLocation().getAbsolutePath());
arrayErr = false;
in = AudioSystem.getAudioInputStream(currentSong.getLocation());
AudioFormat decodedFormat = AudioSendHandler.INPUT_FORMAT;
din = AudioSystem.getAudioInputStream(decodedFormat, in);
byteCount = 3840;
fillBuffer(false);
System.out.println("Queue filled to " + audioBuffer.getCurrentNumberOfBytes());
player = new TrackPlayer(currentSong);
// System.out.println("Queue filled to " + audioBuffer.getCurrentNumberOfBytes());
return true;
} catch (UnsupportedAudioFileException | IOException ex)
{
@ -135,70 +125,88 @@ public class MusicHandler implements AudioSendHandler, Closeable, Consumer<Song>
@Override
public boolean canProvide()
{
return player != null && player.has(byteCount);
// If we have something in our buffer we can provide it to the send system
return audioBuffer.getCurrentNumberOfBytes() > byteCount && playing;
// return audioBuffer.getCurrentNumberOfBytes() > byteCount && playing;
}
@Override
public ByteBuffer provide20MsAudio()
{
fillBuffer(true);
byte[] data = new byte[byteCount];
audioBuffer.read(data, 0, data.length);
// byte[] data = queue.poll();
return ByteBuffer.wrap(data); // Wrap this in a java.nio.ByteBuffer
}
private void fillBuffer(boolean canSkip)
{
// use what we have in our buffer to send audio as PCM
while (audioBuffer.getCurrentNumberOfBytes() < DESIRED_BUFFER_SIZE)
if (!readData())
if (!canSkip || !nextSong())
break;
}
private boolean readData()
{
if (din == null)
return false;
try
ByteBuffer ret = ByteBuffer.allocate(byteCount);
while (ret.position() < byteCount && player != null)
{
// if (din.available() == 0)
// return false;
int bytesToRead = DESIRED_BUFFER_SIZE - audioBuffer.getCurrentNumberOfBytes();
int space = audioBuffer.getSpace();
if (din.available() > 0 && din.available() < bytesToRead)
bytesToRead = din.available();
if (bytesToRead > space)
bytesToRead = space;
if (bytesToRead == 0)
return false;
byte[] bytes = new byte[bytesToRead];
// byte[] bytes = din.readNBytes(bytesToRead);
int read = din.read(bytes);
System.out.println("Wanted: " + byteCount + " Space:" + space + " Available: " + din.available() + " To read: " + bytesToRead + " Read: " + read);
if (read < 0)
return false;
// queue.add(bytes);
System.out.println("Position: " + ret.position() + " Remaining: " + ret.remaining());
ByteBuffer read = player.read(ret.remaining());
audioBuffer.add(bytes, 0, read);
} catch (IOException ex)
{
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
return false;
} catch (ArrayIndexOutOfBoundsException ex)
{
if (!arrayErr)
arrayErr = true;
else
if (read != null)
{
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
return false;
System.out.println("Read: " + read.remaining());
ret.put(read);
} else if (!nextSong())
{
System.out.println("Out of songs!");
break;
}
}
return true;
}
return ret;
// fillBuffer(true);
// byte[] data = new byte[byteCount];
// audioBuffer.read(data, 0, data.length);
//// byte[] data = queue.poll();
// return ByteBuffer.wrap(data); // Wrap this in a java.nio.ByteBuffer
}
// private void fillBuffer(boolean canSkip)
// {
// // use what we have in our buffer to send audio as PCM
// while (audioBuffer.getCurrentNumberOfBytes() < DESIRED_BUFFER_SIZE)
// if (!readData())
// if (!canSkip || !nextSong())
// break;
// }
//
// private boolean readData()
// {
// if (din == null)
// return false;
// try
// {
// // if (din.available() == 0)
// // return false;
// int bytesToRead = DESIRED_BUFFER_SIZE - audioBuffer.getCurrentNumberOfBytes();
// int space = audioBuffer.getSpace();
// if (din.available() > 0 && din.available() < bytesToRead)
// bytesToRead = din.available();
// if (bytesToRead > space)
// bytesToRead = space;
// if (bytesToRead == 0)
// return false;
// byte[] bytes = new byte[bytesToRead];
// // byte[] bytes = din.readNBytes(bytesToRead);
// int read = din.read(bytes);
//// System.out.println("Wanted: " + byteCount + " Space:" + space + " Available: " + din.available() + " To read: " + bytesToRead + " Read: " + read);
// if (read < 0)
// return false;
//// queue.add(bytes);
//
// audioBuffer.add(bytes, 0, read);
// } catch (IOException ex)
// {
// Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
// return false;
// } catch (ArrayIndexOutOfBoundsException ex)
// {
// if (!arrayErr)
// arrayErr = true;
// else
// {
// Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
// return false;
// }
// }
// return true;
// }
public Queue<Song> getSongQueue()
{
@ -219,7 +227,6 @@ public class MusicHandler implements AudioSendHandler, Closeable, Consumer<Song>
@Override
public void close() throws IOException
{
din.close();
}
@Override
@ -227,6 +234,4 @@ public class MusicHandler implements AudioSendHandler, Closeable, Consumer<Song>
{
addSong(t);
}
}

138
src/main/java/moe/nekojimi/chords/TrackPlayer.java
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@ -0,0 +1,138 @@
/*
* To change this license header, choose License Headers in Project Properties.
* To change this template file, choose Tools | Templates
* and open the template in the editor.
*/
package moe.nekojimi.chords;
import java.io.Closeable;
import java.io.IOException;
import java.nio.ByteBuffer;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
import net.dv8tion.jda.api.audio.AudioSendHandler;
import org.apache.commons.io.input.buffer.CircularByteBuffer;
/**
*
* @author jimj316
*/
public class TrackPlayer implements Closeable
{
private static final int DESIRED_BUFFER_SIZE = 3840 * 500;
private static final int MAX_READ_FAILS = 100;
private final CircularByteBuffer audioBuffer = new CircularByteBuffer(3840 * 1024);
private final AudioInputStream input;
private boolean arrayErr = false; // supresses ArrayIndexOutOfBoundsException after the first time, to prevent spam
public TrackPlayer(Song song) throws UnsupportedAudioFileException, IOException
{
AudioInputStream in = AudioSystem.getAudioInputStream(song.getLocation());
AudioFormat decodedFormat = AudioSendHandler.INPUT_FORMAT;
input = AudioSystem.getAudioInputStream(decodedFormat, in);
fillBuffer(false);
}
public TrackPlayer(AudioInputStream input)
{
this.input = input;
fillBuffer(false);
}
boolean has(int byteCount)
{
return audioBuffer.getCurrentNumberOfBytes() > byteCount;
}
public ByteBuffer read(int length)
{
boolean filled = fillBuffer(true);
if (!filled)
throw new OutOfInputException();
byte[] data = new byte[length];
audioBuffer.read(data, 0, data.length);
// byte[] data = queue.poll();
return ByteBuffer.wrap(data); // Wrap this in a java.nio.ByteBuffer
}
private boolean fillBuffer(boolean canSkip)
{
int fails = 0;
// use what we have in our buffer to send audio as PCM
while (audioBuffer.getCurrentNumberOfBytes() < DESIRED_BUFFER_SIZE)
{
boolean read = readData();
if (!read && !canSkip)
return false;
else if (fails < MAX_READ_FAILS)
fails++;
else
return false;
}
return true;
}
private boolean readData()
{
if (input == null)
return false;
try
{
// if (din.available() == 0)
// return false;
int bytesToRead = DESIRED_BUFFER_SIZE - audioBuffer.getCurrentNumberOfBytes();
int space = audioBuffer.getSpace();
if (input.available() > 0 && input.available() < bytesToRead)
bytesToRead = input.available();
if (bytesToRead > space)
bytesToRead = space;
if (bytesToRead == 0)
return false;
byte[] bytes = new byte[bytesToRead];
// byte[] bytes = din.readNBytes(bytesToRead);
int read = input.read(bytes);
// System.out.println("Wanted: " + byteCount + " Space:" + space + " Available: " + din.available() + " To read: " + bytesToRead + " Read: " + read);
if (read < 0)
return false;
// queue.add(bytes);
audioBuffer.add(bytes, 0, read);
} catch (IOException ex)
{
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
return false;
} catch (ArrayIndexOutOfBoundsException ex)
{
if (!arrayErr)
arrayErr = true;
else
{
Logger.getLogger(Main.class.getName()).log(Level.SEVERE, null, ex);
return false;
}
}
return true;
}
@Override
public void close() throws IOException
{
input.close();
}
public static class OutOfInputException extends RuntimeException
{
}
}
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