!7

sS keyphrase = "computer";

// bigger number means more tolerance

// 1e-40 works pretty well with few false positives

// 1e-30 gets no hits

// 1e-35 doesn't trigger reliably

// Using 1e-39 for now

sS threshold = "1e-39";

// seconds to listen after hot word

// TODO: keep listening when user said something

static int recognitionTimeout = 10;

sS icon = /*#1009669*/ #1009667; //#1009662;

// milliseconds before starting recognition (time for saying "yep" or "ja")

static int delayBeforeRecognition = 300;

sO onKeyPhrase;

sbool exited;

sS python = trim([[

#!/usr/bin/python

from subprocess import Popen, PIPE, STDOUT

import pty

import os

import sys

cmd = 'pocketsphinx_continuous -inmic yes -keyphrase #KEYPHRASE# -kws_threshold #THRESHOLD#'

master, slave = pty.openpty()

p = Popen(cmd, shell=True, stdin=PIPE, stdout=slave, stderr=slave, close_fds=True)

stdout = os.fdopen(master)

while True:

    sys.stdout.write(stdout.readline())

    sys.stdout.flush()

]]);

static File fPython;

static JButton btnStartStop;

sbool paused;

p-subst {

  if (!isLinux()) fail("Get Linux!");

  load('paused);

  //onLeftClick(installTrayIcon(icon, "Computer!"), f jump_blip);

  TrayIcon trayIcon = onLeftClick(

    installTrayIcon2(resizeImage(loadImage2(icon), 24), "Computer!",

      makePopupMenu(menuItem("Computer!", f jump_blip))),

      f jump_blip);

  trayIcon.displayMessage(

    "", "Click on EVE to activate the assistant!",

    TrayIcon.MessageType.INFO/*NONE*/);

  makeBot("Hot Word Detection.");

  unix_killAll("pocketsphinx");

  print("Key phrase is: " + keyphrase);

  onKeyPhrase = voidfunc(S s) { jump() };

  swing {

    showControls(jcenteredline(btnStartStop = jbutton("Listen for hot word", f startStop)));

  }

  fPython = getProgramFile("pocketsphinx.py");

  makeExecutable(saveTextFile(fPython, python.replace("#THRESHOLD#", threshold).replace("#KEYPHRASE#", bashQuote(keyphrase))));

  titleStatus_setBaseTitle(consoleFrame(), "Hot Word Detection");

  if (!paused) {

    infoBox("Say " + quote(keyphrase) + " to activate me!");

    start();

  }

  makeBot("Hot Word Detection.");

}

svoid start {

  setText(btnStartStop, "Don't listen for hot word");

  thread {

    backtickToConsole_lineBuf(f2s(fPython), voidfunc(S line) {

      print("Line read: " + quote(line));

      if (eq(line, keyphrase))

        pcallF(onKeyPhrase, line);

      else if (startsWith(line, "READY."))

        consoleStatus("Ready");

      else if (startsWith(line, "Listening."))

        consoleStatus("Listening");

    });

    setAndSave(paused := true);

    setText(btnStartStop, "Listen for hot word");

    consoleStatus("Stopped");

  }

}

svoid cleanMeUp {

  if (!exited) { exited = true; unix_killAll("pocketsphinx"); }

}

svoid startStop {

  if (paused) {

    setAndSave(paused := false);

    start();

  } else {

    setAndSave(paused := true);

    setText(btnStartStop, "Listen for hot word");

    unix_killAll("pocketsphinx");

  }

}

svoid jump_blip {

  thread {

    infoBox(botAnswerWord());

    blipAndWait();

    sendOpt("Chrome Speech.", "start recognition timeout " + recognitionTimeout);

  }

}

svoid jump {

  fS response = botAnswerWord();

  infoBox(response);

  thread { sleep(delayBeforeRecognition); sendOpt("Chrome Speech.", "start recognition timeout " + recognitionTimeout); }

  thread { sendOpt("Mouth.", response); }

}

answer {

  if "listen to hot word" { if (paused) startStop(); ret "OK"; }

  if "don't listen to hot word" { if (!paused) startStop(); ret "OK"; }

}