Example usage for javax.sound.sampled AudioInputStream available

Introduction

In this page you can find the example usage for javax.sound.sampled AudioInputStream available.

Prototype

@Override
public int available() throws IOException 

Source Link

Document

Returns the maximum number of bytes that can be read (or skipped over) from this audio input stream without blocking.

Usage

From source file:sec_algo.aud_sec.java

public BufferedWriter getAudioStream() {
    FileInputStream fin = null;// ww w.  j  ava  2 s .  c  om
    BufferedWriter audstream = null;

    try {
        fin = new FileInputStream(this.file);
        //           audstream = new BufferedWriter(new FileWriter(returnFileName()+"_ex."+returnFileExt()));
        //           byte contents[] = new byte[100];
        //           while(fin.read(contents)!= -1){
        //               System.out.println("reading & writing from file");
        //               for(byte b : contents)
        //                   for(int x = 0; x < 8; x++)
        //                       audstream.write(b>>x & 1);
        //           }
        //           System.out.println("Finished!");
        //           System.out.println("audstream contents: " + audstream.toString());
        byte[] header = new byte[8];
        fin.read(header);
        fin.close();
        //           System.out.println("header bytes: " + Arrays.toString(header));
        ArrayList<String> bitstring = new ArrayList<String>();
        for (int i = 0; i < header.length; i++)
            bitstring.add(String.format("%8s", Integer.toBinaryString(header[i] & 0xFF)).replace(' ', '0'));
        System.out.print("bit input: [/");
        for (int i = 0; i < bitstring.size(); i++) {
            System.out.print(bitstring.get(i) + " ");
        }
        System.out.println("]/");

        System.out.println(bitstring.get(0) + " " + bitstring.get(1) + " " + bitstring.get(2));
        System.out.println("Bitrate index: " + bitstring.get(2).substring(0, 4));

        AudioInputStream in = AudioSystem.getAudioInputStream(this.file);
        AudioInputStream din = null;
        AudioFormat baseFormat = in.getFormat();
        AudioFormat decodedFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, baseFormat.getSampleRate(),
                getBitrate(bitstring.get(2).substring(0, 4)), baseFormat.getChannels(),
                baseFormat.getChannels() * 2, baseFormat.getSampleRate(), false);
        din = AudioSystem.getAudioInputStream(decodedFormat, in);
        int size = din.available();
        byte[] bytaud = new byte[size];
        din.read(bytaud);
        bitstring = new ArrayList<String>();
        for (int i = 0; i < header.length; i++)
            bitstring.add(String.format("%8s", Integer.toBinaryString(header[i] & 0xFF)).replace(' ', '0'));
        System.out.print("bit input: [/");
        for (int i = 0; i < bitstring.size(); i++) {
            System.out.print(bitstring.get(i) + " ");
        }
        System.out.println("]/");
        in.close();
        din.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return audstream;
}

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