Example usage for javax.sound.sampled AudioFormat toString

Introduction

In this page you can find the example usage for javax.sound.sampled AudioFormat toString.

Prototype

@Override
public String toString() 

Source Link

Document

Returns a string that describes the format, such as: "PCM SIGNED 22050 Hz 16 bit mono big-endian".

Usage

From source file:com.player.BasicMP3Player.java

/**
 * Inits a DateLine.<br>/*from w w w.  j a  va2 s  .c  o  m*/
 * We check if the line supports Gain and Pan controls. From the AudioInputStream, i.e. from the
 * sound file, we fetch information about the format of the audio data. These information include
 * the sampling frequency, the number of channels and the size of the samples. There information
 * are needed to ask JavaSound for a suitable output line for this audio file. Furthermore, we
 * have to give JavaSound a hint about how big the internal buffer for the line should be. Here,
 * we say AudioSystem.NOT_SPECIFIED, signaling that we don't care about the exact size. JavaSound
 * will use some default value for the buffer size.
 */
private void createLine() throws LineUnavailableException {
    log.info("Create Line");
    if (m_line == null) {
        AudioFormat sourceFormat = m_audioInputStream.getFormat();
        log.info("Create Line : Source format : " + sourceFormat.toString());
        AudioFormat targetFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
                sourceFormat.getSampleRate(), 16, sourceFormat.getChannels(), sourceFormat.getChannels() * 2,
                sourceFormat.getSampleRate(), false);
        log.info("Create Line : Target format: " + targetFormat);
        // Keep a reference on encoded stream to progress notification.
        m_encodedaudioInputStream = m_audioInputStream;
        try {
            // Get total length in bytes of the encoded stream.
            encodedLength = m_encodedaudioInputStream.available();
        } catch (IOException e) {
            log.error("Cannot get m_encodedaudioInputStream.available()", e);
        }
        // Create decoded stream.
        m_audioInputStream = AudioSystem.getAudioInputStream(targetFormat, m_audioInputStream);
        AudioFormat audioFormat = m_audioInputStream.getFormat();
        DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat, AudioSystem.NOT_SPECIFIED);
        m_line = (SourceDataLine) AudioSystem.getLine(info);

        /*-- Display supported controls --*/
        Control[] c = m_line.getControls();
        for (int p = 0; p < c.length; p++) {
            log.debug("Controls : " + c[p].toString());
        }

        /*-- Is Gain Control supported ? --*/
        if (m_line.isControlSupported(FloatControl.Type.MASTER_GAIN)) {
            m_gainControl = (FloatControl) m_line.getControl(FloatControl.Type.MASTER_GAIN);
            log.info("Master Gain Control : [" + m_gainControl.getMinimum() + "," + m_gainControl.getMaximum()
                    + "] " + m_gainControl.getPrecision());
        }

        /*-- Is Pan control supported ? --*/
        if (m_line.isControlSupported(FloatControl.Type.PAN)) {
            m_panControl = (FloatControl) m_line.getControl(FloatControl.Type.PAN);
            log.info("Pan Control : [" + m_panControl.getMinimum() + "," + m_panControl.getMaximum() + "] "
                    + m_panControl.getPrecision());
        }
    }
}

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From source file:BasicPlayer.java

/**
 * Inits a DateLine.<br>/*from   ww w  .j a  v  a 2s  .c  o m*/
 *
 * We check if the line supports Gain and Pan controls.
 *
 * From the AudioInputStream, i.e. from the sound file, we
 * fetch information about the format of the audio data. These
 * information include the sampling frequency, the number of
 * channels and the size of the samples. There information
 * are needed to ask JavaSound for a suitable output line
 * for this audio file.
 * Furthermore, we have to give JavaSound a hint about how
 * big the internal buffer for the line should be. Here,
 * we say AudioSystem.NOT_SPECIFIED, signaling that we don't
 * care about the exact size. JavaSound will use some default
 * value for the buffer size.
 */
protected void createLine() throws LineUnavailableException {
    log.info("Create Line");
    if (m_line == null) {
        AudioFormat sourceFormat = m_audioInputStream.getFormat();
        log.info("Create Line : Source format : " + sourceFormat.toString());
        int nSampleSizeInBits = sourceFormat.getSampleSizeInBits();
        if (nSampleSizeInBits <= 0)
            nSampleSizeInBits = 16;
        if ((sourceFormat.getEncoding() == AudioFormat.Encoding.ULAW)
                || (sourceFormat.getEncoding() == AudioFormat.Encoding.ALAW))
            nSampleSizeInBits = 16;
        if (nSampleSizeInBits != 8)
            nSampleSizeInBits = 16;
        AudioFormat targetFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED,
                sourceFormat.getSampleRate(), nSampleSizeInBits, sourceFormat.getChannels(),
                sourceFormat.getChannels() * (nSampleSizeInBits / 8), sourceFormat.getSampleRate(), false);
        log.info("Create Line : Target format: " + targetFormat);
        // Keep a reference on encoded stream to progress notification.
        m_encodedaudioInputStream = m_audioInputStream;
        try {
            // Get total length in bytes of the encoded stream.
            encodedLength = m_encodedaudioInputStream.available();
        } catch (IOException e) {
            log.error("Cannot get m_encodedaudioInputStream.available()", e);
        }
        // Create decoded stream.
        m_audioInputStream = AudioSystem.getAudioInputStream(targetFormat, m_audioInputStream);
        AudioFormat audioFormat = m_audioInputStream.getFormat();
        DataLine.Info info = new DataLine.Info(SourceDataLine.class, audioFormat, AudioSystem.NOT_SPECIFIED);
        Mixer mixer = getMixer(m_mixerName);
        if (mixer != null) {
            log.info("Mixer : " + mixer.getMixerInfo().toString());
            m_line = (SourceDataLine) mixer.getLine(info);
        } else {
            m_line = (SourceDataLine) AudioSystem.getLine(info);
            m_mixerName = null;
        }
        log.info("Line : " + m_line.toString());
        log.debug("Line Info : " + m_line.getLineInfo().toString());
        log.debug("Line AudioFormat: " + m_line.getFormat().toString());
    }
}

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