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


    @Override
    public synchronized void startRecording(String recordingId, String mixer, float gain) throws LineUnavailableException {


        if (isRecording || m_line != null || (m_line != null && m_line.isOpen())) {
            throw new LineUnavailableException();
        }


        AudioFormat audioFormat = new AudioFormat(16000.0F, 16, 1, true, true);
        audioFormat = getBestAudioFormat(audioFormat, mixer);
        DataLine.Info info = new DataLine.Info(TargetDataLine.class, audioFormat);

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    @Override
    public synchronized void startRecording(String recordingID, final String mixer, float gain) throws LineUnavailableException {




        if (isRecording || m_line != null || (m_line != null && m_line.isOpen())) {
            throw new LineUnavailableException();
        }




        String safeFileName = Slugger.generateSlug(recordingID);

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    if (outputMixer.isOpen()) {
      outputMixer.close();
    }


    if (inputLine == null || outputLine == null) {
      throw new LineUnavailableException();
    }


    inputLine.open(SOUND_FORMAT, BUFFER_SIZE);
    outputLine.open(SOUND_FORMAT, BUFFER_SIZE);

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    // this will open the output device and start the output thread
    // note that this takes the buffer size in frames.
    // GM_ResumeGeneralSound
    private void nOpen(int index, float sampleRate, int sampleSizeInBits, int channels, int bufferSize) throws LineUnavailableException
    {
     throw new LineUnavailableException();
    }

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                                             format.getFrameSize(),
                                             format.getFrameRate(),
                                             sid.format.isBigEndian());
                }
                if (!ok || !format.matches(sid.format)) {
                    throw new LineUnavailableException("Requested format incompatible with already established device format: " + sid.format);
                }
            }
        }

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        this.format = format;
        this.bufferSize = bufferSize;


        // throw an exception if we failed
        if (id == 0) {
            throw new LineUnavailableException("Failed to allocate native stream.");
        }


        if (Printer.debug) Printer.debug("MixerSourceLine: constructor: id = " + id);
        if (Printer.trace) Printer.trace("<< MixerSourceLine: implOpen succeeded");

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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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