// speech libraries!
lib 1000722
lib 1000723
lib 1000724
lib 1000730
lib 1000731
lib 1000732
lib 1000726
lib 1000727

import javax.speech.*;
import javax.speech.synthesis.*;

sbool kevin_debug, kevin_disable;
static Synthesizer kevin_synth;
public static S kevin(String text) ctex {
  if (kevin_disable || kevin_synth != null && empty(trim(text))) return text;
  
  if (kevin_synth == null) {
    String voiceName = "kevin16";
  
    System.setProperty("FreeTTSSynthEngineCentral", "com.sun.speech.freetts.jsapi.FreeTTSEngineCentral");
    System.setProperty("freetts.voices", "com.sun.speech.freetts.en.us.cmu_us_kal.KevinVoiceDirectory");
    Central.registerEngineCentral("com.sun.speech.freetts.jsapi.FreeTTSEngineCentral");

    SynthesizerModeDesc desc = new SynthesizerModeDesc(null, "general", Locale.US, null, null);

    if (kevin_debug) print("Creating synth");
    Synthesizer synth = kevin_synth = Central.createSynthesizer(desc);
    synth.allocate();
    desc = (SynthesizerModeDesc) synth.getEngineModeDesc();
    Voice[] voices = desc.getVoices();
    Voice voice = null;
    for (Voice entry : voices) {
        if(entry.getName().equals(voiceName)) {
            voice = entry;
            break;
        }
    }
    if (kevin_debug) print("Voice: " + voice);
    synth.getSynthesizerProperties().setVoice(voice);
    synth.resume();
  }
  
  if (kevin_debug) print("Speaking...");
  kevin_synth.speakPlainText(text, null);
  if (kevin_debug) print("Waiting");
  long state;
  int n = 0;
  while (((state = kevin_synth.getEngineState()) & Synthesizer.QUEUE_EMPTY) != 0) {
    sleep(50);
    if (++n >= 10000/50) {
      print("Engine state: " + state + ", aborting");
      break;
    }
  }
  
  //kevin_synth.waitEngineState(Synthesizer.QUEUE_EMPTY);
  if (kevin_debug) print("Done");
  
  // keep synth for next time
  //kevin_synth.deallocate();
  
  ret text;
}