package np.org.mpp.sambad.audio;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;

import javax.sound.sampled.AudioFileFormat;
import javax.sound.sampled.AudioFormat;
import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;

import javazoom.spi.mpeg.sampled.file.MpegEncoding;
import javazoom.spi.mpeg.sampled.file.MpegFileFormatType;

import org.xiph.speex.spi.SpeexFileFormatTyped;

public class SpeexTest {
	private static final int UNKNOWN = -1;
	boolean bSigned = true;
	boolean bSignednessSpecified = false;
	boolean bBigEndian = false;
	boolean bEndianessSpecified = false;
	int nSampleSizeInBits = 16;
	int nChannels = 1;
	float fSampleRate = 44100.0f;
	AudioFileFormat.Type targetFileType = MpegFileFormatType.MP3;

	/*
	 * converts a raw file in source to speex format at destination
	 */
	public SpeexTest(String source, String destination){

		String strInputFilename = source;
		String strOutputFilename = destination;
		File inputFile = new File(strInputFilename);
		File outputFile = new File(strOutputFilename);

		InputStream inputStream = null;
		try{
			inputStream = new FileInputStream(inputFile);
		}catch (FileNotFoundException e){
			System.out.println("cannot load input file " + strInputFilename);
			System.exit(1);
		}
		inputStream = new BufferedInputStream(inputStream);
		AudioFormat format = new AudioFormat(fSampleRate,
											 nSampleSizeInBits,
											 nChannels,
											 bSigned,
											 bBigEndian);
		System.out.println("AudioFormat: " + format);
		long lLengthInFrames = inputFile.length() / format.getFrameSize();
		AudioInputStream ais = new AudioInputStream(inputStream,
													format,
													lLengthInFrames);

		int	nWrittenBytes = 0;
		try{
			System.out.println(AudioSystem.isConversionSupported(MpegEncoding.PCM_SIGNED, format));
			nWrittenBytes = AudioSystem.write(ais, targetFileType, outputFile);
		}catch (IOException e){
			e.printStackTrace();
		}
	}
	public void readSource(){
		
	}
	public static void main(String argv[]){
		AudioFileFormat.Type[]	aTypes = AudioSystem.getAudioFileTypes();
		//AudioSystem.getTargetEncodings(sourceEncoding);
		for (int i = 0; i < aTypes.length; i++){
			System.out.println(aTypes[i].toString()+ aTypes[i].getExtension());
		}
		try{
			new SpeexTest("system/9/edit14", "system/destination.mp3");
		}catch(Exception e){
			e.printStackTrace();
		}
	}
}