AudioPreProcessorBuilder.java

package pl.piotrsukiennik.whowhen.processer;

import comirva.audio.util.AudioPreProcessor;

import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.UnsupportedAudioFileException;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;

/**
 * @author Piotr Sukiennik
 */

public class AudioPreProcessorBuilder implements IFileAudioPreProcessorBuilder {

    private AudioFormat audioFormat;

    public AudioPreProcessorBuilder( AudioFormat audioFormat ) {

        this.audioFormat = audioFormat;
    }

    public AudioPreProcessor buildAudioPreProcessor( byte[] audioData ) {
        InputStream input = new ByteArrayInputStream( audioData );
        return buildAudioPreProcessor( input, audioData.length / audioFormat.getFrameSize() );
    }

    public AudioPreProcessor buildAudioPreProcessor( InputStream inputStream, long sampleFramesLenght ) {
        System.out.println( audioFormat );
        AudioInputStream ais = new AudioInputStream( inputStream, audioFormat, sampleFramesLenght );
        return new AudioPreProcessor( ais, audioFormat.getSampleRate() );
    }

    public AudioPreProcessor buildAudioPreProcessor( File file ) {
        AudioInputStream ais = null;
        try {
            ais = AudioSystem.getAudioInputStream( file );
        }
        catch ( IOException e ) {
            System.err.println( e.toString() );
        }
        catch ( UnsupportedAudioFileException e ) {
            System.err.println( e.toString() );
        }

        return new AudioPreProcessor( ais, audioFormat.getSampleRate() );
    }


}