plectrum

Plectrum: instrument tuner for Android
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AndroidAudioInputStream.java (1894B)


      1 /*
      2 *      _______                       _____   _____ _____  
      3 *     |__   __|                     |  __ \ / ____|  __ \ 
      4 *        | | __ _ _ __ ___  ___  ___| |  | | (___ | |__) |
      5 *        | |/ _` | '__/ __|/ _ \/ __| |  | |\___ \|  ___/ 
      6 *        | | (_| | |  \__ \ (_) \__ \ |__| |____) | |     
      7 *        |_|\__,_|_|  |___/\___/|___/_____/|_____/|_|     
      8 *                                                         
      9 * -------------------------------------------------------------
     10 *
     11 * TarsosDSP is developed by Joren Six at IPEM, University Ghent
     12 *  
     13 * -------------------------------------------------------------
     14 *
     15 *  Info: http://0110.be/tag/TarsosDSP
     16 *  Github: https://github.com/JorenSix/TarsosDSP
     17 *  Releases: http://0110.be/releases/TarsosDSP/
     18 *  
     19 *  TarsosDSP includes modified source code by various authors,
     20 *  for credits and info, see README.
     21 * 
     22 */
     23 
     24 package be.tarsos.dsp.io.android;
     25 
     26 import java.io.IOException;
     27 
     28 import android.media.AudioRecord;
     29 import be.tarsos.dsp.io.TarsosDSPAudioFormat;
     30 import be.tarsos.dsp.io.TarsosDSPAudioInputStream;
     31 
     32 public class AndroidAudioInputStream implements TarsosDSPAudioInputStream{
     33 	
     34 	private final AudioRecord underlyingStream;
     35 	private final TarsosDSPAudioFormat format;
     36 	public AndroidAudioInputStream(AudioRecord underlyingStream, TarsosDSPAudioFormat format){
     37 		this.underlyingStream = underlyingStream;
     38 		this.format = format;
     39 	}
     40 
     41 	@Override
     42 	public long skip(long bytesToSkip) throws IOException {
     43 		throw new IOException("Can not skip in audio stream");
     44 	}
     45 
     46 	@Override
     47 	public int read(byte[] b, int off, int len) throws IOException {
     48 		return underlyingStream.read(b, off, len);
     49 	}
     50 
     51 	@Override
     52 	public void close() throws IOException {
     53 		underlyingStream.stop();
     54 		underlyingStream.release();
     55 	}
     56 
     57 	@Override
     58 	public TarsosDSPAudioFormat getFormat() {
     59 		return format;
     60 	}
     61 
     62 	@Override
     63 	public long getFrameLength() {
     64 		return -1;
     65 	}
     66 
     67 }