async Task speakTxt(string txt, string lang)
{
Debug.WriteLine("{0} speakTxt call play", this);
//txt = "hello world";
//IEnumerable<VoiceInformation> frenchVoices = from voice in SpeechSynthesizer.AllVoices
// where voice.Language == "fr-FR"
// select voice;
//VoiceInformation voice;
//bool ret = getVoice(out voice, lang);
var synth = getSpeechSynth(lang);
if (synth != null)
{
m_speakStat = speakStatus.called;
#if !once_synth
lastTTSsynth = new SpeechSynthesizer();
#endif
lastTTSstream = await synth.SynthesizeTextToStreamAsync(txt);
}
else
{
#if false //not show error msgbox in background
MessageDialog msgbox = new MessageDialog(
string.Format("Not found {0} voice infomation. " +
"Maybe {0} voice recognition was not installed!", lang));
msgbox.Title = "Speak word error!";
await msgbox.ShowAsync();
#endif
//m_speakStat = speakStatus.end;
}
}
void speakTxt()
{
#if false
if (m_speakStat != speakStatus.end)
{
Debug.WriteLine("{0} speakTxt m_speakStat {1}", this, m_speakStat.ToString());
return;
}
m_speakStat = speakStatus.begin;
#endif
//need disable all action
var items = getCurItems();
var item = items[m_iCursor];
string txt;
string lang;
item.getSpeakInfo(item.status, out txt, out lang);
#if test_study_page
txt = "hello world";
lang = "en-US";
#endif
#if false
speakTxt(txt, lang);
#else
qryBgTask(new myBgTask
{
type = myBgTask.taskType.speek,
data = new mySpeechQry {
txt = txt, lang = lang
}
});
#endif
}