com.sedmelluq.discord.lavaplayer.tools.io.MessageOutput Java Examples

@Override
public void encodeTrack(MessageOutput stream, AudioTrack track) throws IOException {
  DataOutput output = stream.startMessage();
  output.write(TRACK_INFO_VERSION);

  AudioTrackInfo trackInfo = track.getInfo();
  output.writeUTF(trackInfo.title);
  output.writeUTF(trackInfo.author);
  output.writeLong(trackInfo.length);
  output.writeUTF(trackInfo.identifier);
  output.writeBoolean(trackInfo.isStream);
  DataFormatTools.writeNullableText(output, trackInfo.uri);

  encodeTrackDetails(track, output);
  output.writeLong(track.getPosition());

  stream.commitMessage(TRACK_INFO_VERSIONED);
}
 

/**
 * Encodes the provided track to base64.
 *
 * @param playerManager Player manager used for encoding (must have the source manager enabled).
 * @param track         Track to encode.
 *
 * @return Base64 encoded track.
 */
@Nonnull
@CheckReturnValue
public static String trackString(@Nonnull AudioPlayerManager playerManager, @Nonnull AudioTrack track) {
    var baos = new ByteArrayOutputStream();
    try {
        playerManager.encodeTrack(new MessageOutput(baos), track);
    } catch(IOException e) {
        throw new AssertionError(e);
    }
    return Base64.getEncoder().encodeToString(baos.toByteArray());
}
 

/**
 * @param track the track to serialize
 * @return the serialized track as binary
 * @throws IOException if there is an IO problem
 */
@SuppressWarnings("WeakerAccess")
public static byte[] toBinary(AudioTrack track) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    PLAYER_MANAGER.encodeTrack(new MessageOutput(baos), track);
    return baos.toByteArray();
}
 

@Override
public byte[] encodeTrack(AudioTrack track) {
    if (track == null) {
        return null;
    }
    try (ByteArrayOutputStream outputStream = new ByteArrayOutputStream()) {
        MessageOutput output = new MessageOutput(outputStream);
        encodeTrack(output, track);
        return outputStream.toByteArray();
    } catch (IOException e) {
        log.warn("Could not encode track {}", track);
    }
    return null;
}
 

@BotCommandHandler
private void serialize(Message message) throws IOException {
  ByteArrayOutputStream baos = new ByteArrayOutputStream();
  MessageOutput outputStream = new MessageOutput(baos);

  for (AudioTrack track : scheduler.drainQueue()) {
    manager.encodeTrack(outputStream, track);
  }

  outputStream.finish();

  message.getChannel().sendMessage(Base64.encodeBytes(baos.toByteArray())).queue();
}
 

public static String toMessage(AudioPlayerManager audioPlayerManager, AudioTrack track) throws IOException {
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    audioPlayerManager.encodeTrack(new MessageOutput(baos), track);
    return Base64.encodeBase64String(baos.toByteArray());
}
 

/**
 * Encode a track into an output stream. If the decoder is not supposed to know the number of tracks in advance, then
 * the encoder should call MessageOutput#finish() after all the tracks it wanted to write have been written. This will
 * make decodeTrack() return null at that position
 *
 * @param stream The message stream to write it to.
 * @param track The track to encode.
 * @throws IOException On IO error.
 */
void encodeTrack(MessageOutput stream, AudioTrack track) throws IOException;