!7

static JButton button;

static volatile Capturer cap;

static File wavFile;

static Q recognizerQueue;

static StreamSpeechRecognizer2 recognizer;

p-substance {

  showControls(jCenteredLine(button = jbutton("Record!", f recordOrStop)));

  recognizerQueue = new Q("Recognizer Queue", true);

  recognizerQueue.add(r {

    infoBox("Loading engine...");

    recognizer = new StreamSpeechRecognizer2(makeSphinxConfig());

    infoBox("Engine loaded!");

  });

}

svoid recordOrStop {

  if (cap != null) {

    cap.stop();

    byte[] pcm = cap.getPCM();

    infoMessage("Got " + l(pcm) + " bytes PCM!");

    pcmToWAVE(pcm, cap.format(), wavFile);

    infoBox("Wrote " + f2s(wavFile) + " (" + wavFile.length() + " bytes)");

    cap = null;

    setText(button, "Record!");

    recognizeAudio(wavFile);

  } else {

    AudioLine line = first(allTargetDataLines());

    assertNotNull("Need audio input line!", line);

    DataLine dataLine = cast line.open();

    print("Capturing");

    wavFile = prepareProgramFile(ymd_minus_hms() + ".wav");

    cap = captureAudioFromLine2(dataLine, sphinxAudioFormat());

    setText(button, "Stop");

  }

}

svoid recognizeAudio(final File wavFile) {

  recognizerQueue.add(r {

    loading {

      recognizer.startRecognition(new FileInputStream(wavFile));

      SpeechResult result;

      print("Recognizing audio...");

      S line = null;

      while ((result = recognizer.getResult()) != null) {

        line = result.getHypothesis();

        print("  Hypothesis: " + line);

      }

      print("Done recognizing");

      infoBox("You said: " + line);

      recognizer.stopRecognition();

    }

  });

}