Example usage for android.speech.tts SynthesisRequest getLanguage

List of usage examples for android.speech.tts SynthesisRequest getLanguage

Introduction

In this page you can find the example usage for android.speech.tts SynthesisRequest getLanguage.

Prototype

public String getLanguage() 

Source Link

Document

Gets the ISO 3-letter language code for the language to use.

Usage

From source file:com.github.olga_yakovleva.rhvoice.android.RHVoiceService.java

@Override
protected void onSynthesizeText(SynthesisRequest request, SynthesisCallback callback) {
    if (BuildConfig.DEBUG) {
        Log.v(TAG, "onSynthesize called");
        logLanguage(request.getLanguage(), request.getCountry(), request.getVariant());
    }/*from ww  w . j  ava2  s .  co m*/
    Tts tts = ttsManager.acquireForSynthesis();
    if (tts == null) {
        if (BuildConfig.DEBUG)
            Log.w(TAG, "Not initialized yet");
        callback.error();
        return;
    }
    try {
        speaking = true;
        Map<String, LanguageSettings> languageSettings = getLanguageSettings(tts);
        String voiceName = "";
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP)
            voiceName = request.getVoiceName();
        final Candidate bestMatch = findBestVoice(tts, request.getLanguage(), request.getCountry(),
                request.getVariant(), voiceName, languageSettings);
        if (bestMatch.voice == null) {
            if (BuildConfig.DEBUG)
                Log.e(TAG, "Unsupported language");
            callback.error();
            return;
        }
        if (BuildConfig.DEBUG)
            Log.v(TAG, "Selected voice: " + bestMatch.voice.getSource().getName());
        currentVoice = bestMatch.voice;
        StringBuilder voiceProfileSpecBuilder = new StringBuilder();
        voiceProfileSpecBuilder.append(bestMatch.voice.getSource().getName());
        for (Map.Entry<String, LanguageSettings> entry : languageSettings.entrySet()) {
            if (entry.getKey().equals(bestMatch.voice.getLanguage()))
                continue;
            if (entry.getValue().detect) {
                String name = entry.getValue().voice.getSource().getName();
                voiceProfileSpecBuilder.append("+").append(name);
            }
        }
        String profileSpec = voiceProfileSpecBuilder.toString();
        if (BuildConfig.DEBUG)
            Log.v(TAG, "Synthesizing the following text: " + request.getText());
        int rate = request.getSpeechRate();
        if (BuildConfig.DEBUG)
            Log.v(TAG, "rate=" + rate);
        int pitch = request.getPitch();
        if (BuildConfig.DEBUG)
            Log.v(TAG, "pitch=" + pitch);
        if (BuildConfig.DEBUG)
            Log.v(TAG, "Profile: " + profileSpec);
        final SynthesisParameters params = new SynthesisParameters();
        params.setVoiceProfile(profileSpec);
        params.setRate(((double) rate) / 100.0);
        params.setPitch(((double) pitch) / 100.0);
        final Player player = new Player(callback);
        callback.start(24000, AudioFormat.ENCODING_PCM_16BIT, 1);
        tts.engine.speak(request.getText(), params, player);
        callback.done();
    } catch (RHVoiceException e) {
        if (BuildConfig.DEBUG)
            Log.e(TAG, "Synthesis error", e);
        callback.error();
    } finally {
        speaking = false;
        ttsManager.release(tts);
    }
}