Example usage for android.speech.tts SynthesisCallback error

List of usage examples for android.speech.tts SynthesisCallback error

Introduction

In this page you can find the example usage for android.speech.tts SynthesisCallback error.

Prototype

void error();

Source Link

Document

The service should call this method if the speech synthesis fails.

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   w ww  .  ja v a2s  . 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);
    }
}