Example usage for com.amazonaws.services.polly.model OutputFormat Pcm

Introduction

In this page you can find the example usage for com.amazonaws.services.polly.model OutputFormat Pcm.

Prototype

OutputFormat Pcm

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Usage

From source file:org.restcomm.connect.tts.awspolly.AWSPollySpeechSyntetizer.java

License:Open Source License

private URI synthesize(final Object message) throws IOException, SpeechSynthesizerException {

    //retrieve resquest message
    final org.restcomm.connect.tts.api.SpeechSynthesizerRequest request = (org.restcomm.connect.tts.api.SpeechSynthesizerRequest) message;

    //retrieve gender, language and text message
    final String gender = request.gender();
    final String language = request.language();
    final String text = request.text();

    //generate file hash name
    final String hash = HashGenerator.hashMessage(gender, language, text);

    if (language == null) {
        if (logger.isInfoEnabled()) {
            logger.info("There is no suitable speaker to synthesize " + request.language());
        }/*from   w ww  .j  a  v a2  s  .c om*/
        throw new IllegalArgumentException("There is no suitable language to synthesize " + request.language());
    }

    // Create speech synthesis request.
    SynthesizeSpeechRequest pollyRequest = new SynthesizeSpeechRequest().withText(text)
            .withVoiceId(VoiceId.valueOf(this.retrieveSpeaker(gender, language)))
            .withOutputFormat(OutputFormat.Pcm).withSampleRate("8000");
    //retrieve audio result
    SynthesizeSpeechResult result = pollyClient.synthesizeSpeech(pollyRequest);

    //create a temporary file
    File srcFile = new File(System.getProperty("java.io.tmpdir") + File.separator + hash + ".pcm");
    File dstFile = new File(System.getProperty("java.io.tmpdir") + File.separator + hash + ".wav");

    //save temporary pcm file
    Files.copy(result.getAudioStream(), srcFile.toPath(), StandardCopyOption.REPLACE_EXISTING);

    //convert pcm file to wav
    new PcmToWavConverterUtils().rawToWave(srcFile, dstFile);

    //return file URI
    return dstFile.toURI();
}

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