Java 类com.amazonaws.services.polly.model.Voice 实例源码

@Override
public void handle(Context ctx) throws Exception {
    String token = null;
    List<Voice> voices = new ArrayList<>();

    while (true) {
        DescribeVoicesResult result;
        if (token == null) {
            result = polly.describeVoices(new DescribeVoicesRequest());
        } else {
            result = polly.describeVoices(new DescribeVoicesRequest().withNextToken(token));
        }

        voices.addAll(result.getVoices());

        if (result.getNextToken() != null) {
            token = result.getNextToken();
        } else {
            ctx.render(Jackson.toJsonString(voices));
            break;
        }
    }
}

private void processVoicesRequest() {
  // Create describe voices request.
  DescribeVoicesRequest describeVoicesRequest = new DescribeVoicesRequest();

  // Synchronously ask Polly Polly to describe available TTS voices.
  DescribeVoicesResult describeVoicesResult = polly.describeVoices(describeVoicesRequest);
  awsVoices = describeVoicesResult.getVoices();
  log.info("found {} voices", awsVoices.size());
  for (int i = 0; i < awsVoices.size(); ++i) {
    Voice voice = awsVoices.get(i);
    voiceMap.put(voice.getName(), voice);
    langMap.put(voice.getLanguageCode(), voice);
    log.info("{} {} - {}", i, voice.getName(), voice.getLanguageCode());
  }

  // set default voice
  if (voice == null) {
    voice = awsVoices.get(0).getName();
    awsVoice = awsVoices.get(0);
    lang = awsVoice.getLanguageCode();
    log.info("setting default voice to {}", voice);
  }

}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    if (convertView == null) {
        convertView = inflater.inflate(R.layout.voice_spinner_row, parent, false);
    }
    Voice voice = voices.get(position);

    TextView nameTextView = (TextView) convertView.findViewById(R.id.voiceName);
    nameTextView.setText(voice.getName());

    TextView languageCodeTextView = (TextView) convertView.findViewById(R.id.voiceLanguageCode);
    languageCodeTextView.setText(voice.getLanguageName() +
            " (" + voice.getLanguageCode() + ")");

    return convertView;
}

@Override
protected void onRestoreInstanceState(Bundle savedInstanceState) {
    super.onRestoreInstanceState(savedInstanceState);

    selectedPosition = savedInstanceState.getInt(KEY_SELECTED_VOICE_POSITION);
    voices = (List<Voice>) savedInstanceState.getSerializable(KEY_VOICES);

    String sampleText = savedInstanceState.getString(KEY_SAMPLE_TEXT);
    if (sampleText.isEmpty()) {
        defaultTextButton.setVisibility(View.GONE);
    } else {
        sampleTextEditText.setText(sampleText);
        defaultTextButton.setVisibility(View.VISIBLE);
    }
}

String getSampleText(Voice voice) {
    if (voice == null) {
        return "";
    }

    String resourceName = "sample_" +
            voice.getLanguageCode().replace("-", "_").toLowerCase() + "_" +
            voice.getId().toLowerCase();
    int sampleTextResourceId =
            getResources().getIdentifier(resourceName, "string", getPackageName());
    if (sampleTextResourceId == 0)
        return "";

    return getString(sampleTextResourceId);
}

void setDefaultTextForSelectedVoice() {
    Voice selectedVoice = (Voice) voicesSpinner.getSelectedItem();
    if (selectedVoice == null) {
        return;
    }

    String sampleText = getSampleText(selectedVoice);

    sampleTextEditText.setHint(sampleText);
}

SpinnerVoiceAdapter(Context ctx, List<Voice> voices) {
    this.inflater = LayoutInflater.from(ctx);
    this.voices = voices;
}

void setupPlayButton() {
    playButton = (Button) findViewById(R.id.readButton);
    playButton.setEnabled(false);
    playButton.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            playButton.setEnabled(false);

            Voice selectedVoice = (Voice) voicesSpinner.getSelectedItem();

            String textToRead = sampleTextEditText.getText().toString();

            // Use voice's sample text if user hasn't provided any text to read.
            if (textToRead.trim().isEmpty()) {
                textToRead = getSampleText(selectedVoice);
            }

            // Create speech synthesis request.
            SynthesizeSpeechPresignRequest synthesizeSpeechPresignRequest =
                    new SynthesizeSpeechPresignRequest()
                    // Set text to synthesize.
                    .withText(textToRead)
                    // Set voice selected by the user.
                    .withVoiceId(selectedVoice.getId())
                    // Set format to MP3.
                    .withOutputFormat(OutputFormat.Mp3);

            // Get the presigned URL for synthesized speech audio stream.
            URL presignedSynthesizeSpeechUrl =
                    client.getPresignedSynthesizeSpeechUrl(synthesizeSpeechPresignRequest);

            Log.i(TAG, "Playing speech from presigned URL: " + presignedSynthesizeSpeechUrl);

            // Create a media player to play the synthesized audio stream.
            if (mediaPlayer.isPlaying()) {
                setupNewMediaPlayer();
            }
            mediaPlayer.setAudioStreamType(AudioManager.STREAM_MUSIC);

            try {
                // Set media player's data source to previously obtained URL.
                mediaPlayer.setDataSource(presignedSynthesizeSpeechUrl.toString());
            } catch (IOException e) {
                Log.e(TAG, "Unable to set data source for the media player! " + e.getMessage());
            }

            // Start the playback asynchronously (since the data source is a network stream).
            mediaPlayer.prepareAsync();
        }
    });
}