Examples of javax.sound.sampled.LineUnavailableException

javax.sound.sampled.LineUnavailableException
A LineUnavailableException is an exception indicating that a line cannot be opened because it is unavailable. This situation arises most commonly when a requested line is already in use by another application. @author Kara Kytle @since 1.3


  public static void startOutput(AudioFormat playFormat) throws LineUnavailableException {
    DataLine.Info info= new DataLine.Info(SourceDataLine.class, playFormat);


    if (!AudioSystem.isLineSupported(info)) {
      throw new LineUnavailableException("sorry, the sound format cannot be played");
    }
    line = (SourceDataLine)AudioSystem.getLine(info);
    line.open(playFormat);
    line.start();
  }

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                resourceLogger.warning("Matching line not available: " + ex.getLocalizedMessage());
            } catch (IllegalArgumentException ex) {
                resourceLogger.warning("Mixer does not support this format. " + ex.getLocalizedMessage());
            }
        }
        throw new LineUnavailableException("Failed to get any line for info: " + info);
    }

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  public void open(AudioFormat format, int buffersize) throws LineUnavailableException {
    if(open) return;
    if(ASIOMixerProvider.isFullCheck())
      if(!info.isFormatSupported(format)) 
        throw new LineUnavailableException("Audio Format not supported.");
    
    this.format = format;
    channels = format.getChannels();
    desiredBufferSize = buffersize;
    open();

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  public void open(AudioFormat format) throws LineUnavailableException {
    if(open) return;
    if(ASIOMixerProvider.isFullCheck())
      if(!info.isFormatSupported(format)) 
        throw new LineUnavailableException("Audio Format not supported.");
    this.format = format;
    channels = format.getChannels();
    open();
  }

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   * 
   * @see javax.sound.sampled.Mixer#getLine(javax.sound.sampled.Line.Info)
   */
  public ASIODataLine getLine(Line.Info info) throws LineUnavailableException {
    if (!isLineSupported(info))
      throw new LineUnavailableException("Line not supported.");


    boolean isInput;
    if (SourceDataLine.class.isAssignableFrom(info.getLineClass()))
      isInput = false;
    else if (TargetDataLine.class.isAssignableFrom(info.getLineClass()))
      isInput = true;
    else
      throw new LineUnavailableException("Line not supported.");


    if (allLines == null)
      createLines(isInput);


    if (info instanceof ASIOLineInfo) {
      ASIOLineInfo asioInfo = (ASIOLineInfo) info;
      if (allLines.containsKey(asioInfo.toString()))
        return allLines.get(asioInfo.toString());
    }


    /*
     * boolean isInput;
     * if(SourceDataLine.class.isAssignableFrom(info.getLineClass()))
     * isInput = false; else
     * if(TargetDataLine.class.isAssignableFrom(info.getLineClass()))
     * isInput = true; else throw new LineUnavailableException("Line not
     * supported.");
     */


    for (Iterator<String> iter = allLines.keySet().iterator(); iter
        .hasNext();) {
      ASIODataLine line = allLines.get(iter.next());
      ASIOLineInfo lineInfo = line.getLineInfo();
      if (lineInfo.getChannelInfo().isInput() == isInput) {
        AudioFormat[] formats = ((DataLine.Info) info).getFormats();
        for (int i = 0; i < formats.length; i++) {
          if (lineInfo.isFormatSupported(formats[i]))
            return line;
        }
      }
    }
    throw new LineUnavailableException("Line not supported.");
  }

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   */
  public void open() throws LineUnavailableException {
    try {
      initSeq = ASIOInit();
    } catch (ASIOError e) {
      throw new LineUnavailableException(e.getMessage());
    }
  }

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      throws LineUnavailableException {
    if (line.isOpen())
      return;
    //TODO:Pr・ung ob das funktioniert
    if (status >= PREPARED)
      throw new LineUnavailableException(
          "ASIO is already activated with another Line.");
    ASIODataLine[] lines;


    if (linesToSync.contains(line)) {
      lines = new ASIODataLine[linesToSync.size()];
      int i = 0;
      if (ASIOMixerProvider.isFullCheck()) {
        for (Iterator<ASIODataLine> iter = linesToSync.iterator(); iter
            .hasNext(); i++) {
          lines[i] = (ASIODataLine) iter.next();
          if (!((DataLine.Info) lines[i].getLineInfo())
              .isFormatSupported(lines[i].getFormat()))
            throw new LineUnavailableException("Format "
                + lines[i].getFormat() + " not supported.");
        }
      } else
        for (Iterator<ASIODataLine> iter = linesToSync.iterator(); iter
            .hasNext(); i++) {
          lines[i] = iter.next();
        }
    } else {
      if (ASIOMixerProvider.isFullCheck()) {
        DataLine.Info info = (DataLine.Info) line.getLineInfo();
        if (!info.isFormatSupported(line.getFormat()))
          throw new LineUnavailableException("Format "
              + line.getFormat() + " not supported.");
      }
      lines = new ASIODataLine[] { line };
    }

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  private int frameSize;
  
  public LineInputReader(int frameSize) throws LineUnavailableException {
    DataLine.Info info = new DataLine.Info(TargetDataLine.class, format);
    if (!AudioSystem.isLineSupported(info)) {
      throw new LineUnavailableException("No input device");
    } else {
      if (line == null) {
        line = (TargetDataLine) AudioSystem.getLine(info);      
        line.open(format);
      }

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                pusher.start();


            } catch (LineUnavailableException e) {
                if (isOpen())
                    close();
                throw new LineUnavailableException(e.toString());
            }


        }
    }

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    public AudioInputStream openStream(AudioFormat targetFormat)
            throws LineUnavailableException {


        if (isOpen())
            throw new LineUnavailableException("Mixer is already open");


        synchronized (control_mutex) {


            open = true;

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