Example #1
0
  /*
   * Return data as a byte array.
   */
  private static byte[] readByte(String filename) {
    byte[] data = null;
    AudioInputStream ais = null;
    try {

      // try to read from file
      File file = new File(filename);
      if (file.exists()) {
        ais = AudioSystem.getAudioInputStream(file);
        data = new byte[ais.available()];
        ais.read(data);
      }

      // try to read from URL
      else {
        URL url = StdAudio.class.getResource(filename);
        ais = AudioSystem.getAudioInputStream(url);
        data = new byte[ais.available()];
        ais.read(data);
      }
    } catch (Exception e) {
      System.out.println(e.getMessage());
      throw new RuntimeException("Could not read " + filename);
    }

    return data;
  }
Example #2
0
  public void run() {
    try {
      AudioInputStream ais = AudioSystem.getAudioInputStream(soundFile);
      AudioFormat format = ais.getFormat();
      //    System.out.println("Format: " + format);
      DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
      SourceDataLine source = (SourceDataLine) AudioSystem.getLine(info);
      source.open(format);
      source.start();
      int read = 0;
      byte[] audioData = new byte[16384];
      while (read > -1) {
        read = ais.read(audioData, 0, audioData.length);
        if (read >= 0) {
          source.write(audioData, 0, read);
        }
      }
      donePlaying = true;

      source.drain();
      source.close();
    } catch (Exception exc) {
      System.out.println("error: " + exc.getMessage());
      exc.printStackTrace();
    }
  }
Example #3
0
  public static Clip loadClip(URL url) {
    Clip clip = null;
    String fnm = "" + url;
    try {
      AudioInputStream stream = AudioSystem.getAudioInputStream(url);
      AudioFormat format = stream.getFormat();

      if ((format.getEncoding() == AudioFormat.Encoding.ULAW)
          || (format.getEncoding() == AudioFormat.Encoding.ALAW)) {
        AudioFormat newFormat =
            new AudioFormat(
                AudioFormat.Encoding.PCM_SIGNED,
                format.getSampleRate(),
                format.getSampleSizeInBits() * 2,
                format.getChannels(),
                format.getFrameSize() * 2,
                format.getFrameRate(),
                true); // big endian
        stream = AudioSystem.getAudioInputStream(newFormat, stream);
        // System.out.println("Converted Audio format: " + newFormat);
        format = newFormat;
      }

      DataLine.Info info = new DataLine.Info(Clip.class, format);

      // make sure sound system supports data line
      if (!AudioSystem.isLineSupported(info)) {
        System.out.println("Unsupported Clip File: " + fnm);
        return null;
      }
      // get clip line resource
      clip = (Clip) AudioSystem.getLine(info);
      clip.open(stream); // open the sound file as a clip
      stream.close(); // we're done with the input stream
      // duration (in secs) of the clip
      double duration = clip.getMicrosecondLength() / 1000000.0; // new
      if (duration <= 1.0) {
        System.out.println("WARNING. Duration <= 1 sec : " + duration + " secs");
        System.out.println(
            "         The clip in " + fnm + " may not play in J2SE 1.5 -- make it longer");
      }
      // else
      //  System.out.println(fnm + ": Duration: " + duration + " secs");
    } // end of try block
    catch (UnsupportedAudioFileException audioException) {
      System.out.println("Unsupported audio file: " + fnm);
    } catch (LineUnavailableException noLineException) {
      System.out.println("No audio line available for : " + fnm);
    } catch (IOException ioException) {
      System.out.println("Could not read: " + fnm);
    } catch (Exception e) {
      System.out.println("Problem with " + fnm);
    }
    return clip;
  } // end of loadClip()
Example #4
0
 private void loadAndPlayAudio(String audioResource) {
   try (AudioInputStream soundStream =
       AudioSystem.getAudioInputStream(getClass().getResource(audioResource))) {
     DataLine.Info info = new DataLine.Info(Clip.class, soundStream.getFormat());
     Clip clip = (Clip) AudioSystem.getLine(info);
     clip.open(soundStream);
     clip.start();
   } catch (UnsupportedAudioFileException | IOException | LineUnavailableException ex) {
     ex.printStackTrace();
   }
 }
Example #5
0
 private void soundAbspielen(File sound) {
   if (!läuft) return;
   try {
     audioInputStream = AudioSystem.getAudioInputStream(sound);
     af = audioInputStream.getFormat();
     size = (int) (af.getFrameSize() * audioInputStream.getFrameLength());
     audio = new byte[size];
     info = new DataLine.Info(Clip.class, af, size);
     audioInputStream.read(audio, 0, size);
     clip = (Clip) AudioSystem.getLine(info);
     clip.open(af, audio, 0, size);
     clip.start();
   } catch (Exception e) {
     e.printStackTrace();
   }
 }
Example #6
0
  public boolean load(File file) {

    this.file = file;

    if (file != null && file.isFile()) {
      try {
        errStr = null;
        audioInputStream = AudioSystem.getAudioInputStream(file);

        fileName = file.getName();

        format = audioInputStream.getFormat();

      } catch (Exception ex) {
        reportStatus(ex.toString());
        return false;
      }
    } else {
      reportStatus("Audio file required.");
      return false;
    }

    numChannels = format.getChannels();
    sampleRate = (double) format.getSampleRate();
    sampleBitSize = format.getSampleSizeInBits();
    long frameLength = audioInputStream.getFrameLength();
    long milliseconds = (long) ((frameLength * 1000) / audioInputStream.getFormat().getFrameRate());
    double audioFileDuration = milliseconds / 1000.0;

    if (audioFileDuration > MAX_AUDIO_DURATION) duration = MAX_AUDIO_DURATION;
    else duration = audioFileDuration;

    frameLength = (int) Math.floor((duration / audioFileDuration) * (double) frameLength);

    try {
      audioBytes = new byte[(int) frameLength * format.getFrameSize()];
      audioInputStream.read(audioBytes);
    } catch (Exception ex) {
      reportStatus(ex.toString());
      return false;
    }

    getAudioData();

    return true;
  }
Example #7
0
  private static WAVData readFromStream(AudioInputStream aIn)
      throws UnsupportedAudioFileException, IOException {
    ReadableByteChannel aChannel = Channels.newChannel(aIn);
    AudioFormat fmt = aIn.getFormat();
    int numChannels = fmt.getChannels();
    int bits = fmt.getSampleSizeInBits();
    int format = AL_FORMAT_MONO8;

    if ((bits == 8) && (numChannels == 1)) {
      format = AL_FORMAT_MONO8;
    } else if ((bits == 16) && (numChannels == 1)) {
      format = AL_FORMAT_MONO16;
    } else if ((bits == 8) && (numChannels == 2)) {
      format = AL_FORMAT_STEREO8;
    } else if ((bits == 16) && (numChannels == 2)) {
      format = AL_FORMAT_STEREO16;
    }

    int freq = Math.round(fmt.getSampleRate());
    int size = aIn.available();
    ByteBuffer buffer = ByteBuffer.allocateDirect(size);
    while (buffer.remaining() > 0) {
      aChannel.read(buffer);
    }
    buffer.rewind();

    // Must byte swap on big endian platforms
    // Thanks to swpalmer on javagaming.org forums for hint at fix
    if ((bits == 16) && (ByteOrder.nativeOrder() == ByteOrder.BIG_ENDIAN)) {
      int len = buffer.remaining();
      for (int i = 0; i < len; i += 2) {
        byte a = buffer.get(i);
        byte b = buffer.get(i + 1);
        buffer.put(i, b);
        buffer.put(i + 1, a);
      }
    }

    WAVData result = new WAVData(buffer, format, size, freq, false);
    aIn.close();

    return result;
  }
Example #8
0
  // 播放au,aiff,wav音乐流, 这个函数基本完全为帖子上的代码
  private synchronized void play() {
    ByteArrayInputStream aMusicInputStream;
    AudioFormat format;
    AudioInputStream musicInputStream;
    byte[] audioSamples;
    SourceDataLine line;
    try {
      File MusicFile = new File(m_filename);

      musicInputStream = AudioSystem.getAudioInputStream(MusicFile); // 取得文件的音频输入流
      format = musicInputStream.getFormat(); // 取得音频输入流的格式
      audioSamples = getAudioSamples(musicInputStream, format); // 取得音频样本

      aMusicInputStream = new ByteArrayInputStream(audioSamples);
      int bufferSize = format.getFrameSize() * Math.round(format.getSampleRate() / 10);
      byte[] buffer = new byte[bufferSize];
      try {
        DataLine.Info info = new DataLine.Info(SourceDataLine.class, format);
        line = (SourceDataLine) AudioSystem.getLine(info);
        line.open(format, bufferSize);
      } catch (LineUnavailableException e) {
        e.printStackTrace();
        return;
      }

      if (!line.isRunning()) {
        line.start();
      }

      int numBytesRead = 0;
      while (numBytesRead != -1 && !m_stopped) {
        numBytesRead = aMusicInputStream.read(buffer, 0, buffer.length);
        if (numBytesRead != -1) {
          line.write(buffer, 0, numBytesRead);
        }
      }
      line.drain();
      line.close();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }
Example #9
0
  /** Loads a Sound from an AudioInputStream. */
  public Sound getSound(AudioInputStream audioStream) {
    if (audioStream == null) {
      return null;
    }

    // get the number of bytes to read
    int length = (int) (audioStream.getFrameLength() * audioStream.getFormat().getFrameSize());

    // read the entire stream
    byte[] samples = new byte[length];
    DataInputStream is = new DataInputStream(audioStream);
    try {
      is.readFully(samples);
      is.close();
    } catch (IOException ex) {
      ex.printStackTrace();
    }

    // return the samples
    return new Sound(samples);
  }
Example #10
0
  // 取得音频样本
  private byte[] getAudioSamples(AudioInputStream MusicStream, AudioFormat format) {
    int AudioSampleLengh = (int) (MusicStream.getFrameLength() * format.getFrameSize());
    byte aAudioSamples[] = new byte[AudioSampleLengh];
    DataInputStream dataInputStream = new DataInputStream(MusicStream);

    try {
      dataInputStream.readFully(aAudioSamples);
    } catch (Exception e) {
      e.printStackTrace();
    }

    return aAudioSamples;
  }