Example usage for javax.sound.sampled SourceDataLine isOpen

Introduction

In this page you can find the example usage for javax.sound.sampled SourceDataLine isOpen.

Prototype

boolean isOpen();

Source Link

Document

Indicates whether the line is open, meaning that it has reserved system resources and is operational, although it might not currently be playing or capturing sound.

Usage

From source file:com.github.woz_dialog.ros_woz_dialog_project.TTSHTTPClient.java

public void synthesise(String utterance) throws Exception {

    try {//  w ww .  j  av  a2 s  .  co m
        log.fine("calling Nuance server to synthesise utterance \"" + utterance + "\"");

        HttpPost httppost = new HttpPost(ttsURI);
        httppost.addHeader("Content-Type", "text/plain");
        httppost.addHeader("Accept", "audio/x-wav;codec=pcm;bit=16;rate=16000");
        HttpEntity entity = new StringEntity(utterance);

        //HttpEntity entity = new ByteArrayEntity(utterance.getBytes("UTF-8"));

        httppost.setEntity(entity);

        HttpResponse response = ttsClient.execute(httppost);

        HttpEntity resEntity = response.getEntity();

        if (resEntity == null || response.getStatusLine().getStatusCode() != 200) {
            System.out.println("Response status: " + response.getStatusLine());
            throw new Exception("Response status: " + response.getStatusLine());
        }

        format = new AudioFormat(16000, 16, 1, true, false);

        System.out.println(response.getStatusLine().getStatusCode());

        data = new byte[0];
        write(resEntity.getContent());
        httppost.releaseConnection();

        //Get the file path
        String basepath = System.getProperty("user.home");
        basepath = basepath + "/wav/" + LANGUAGE + "/" + VOICE;
        File dir = new File(basepath);

        if (!dir.exists()) {
            // attempt to create the directory here
            boolean successful = dir.mkdirs();
            if (successful) {
                // creating the directory succeeded
                System.out.println("directory was created successfully");
            } else {
                // creating the directory failed
                log.severe("failed trying to create the directory");
                throw new Exception("failed trying to create the directory");
            }

            return;

        }

        String fullpath = basepath + "/" + utterance.toLowerCase() + ".wav";

        //Record the sound
        generateFile(data, new File(fullpath));

        //Play the received sound

        SourceDataLine line = AudioSystem.getSourceDataLine(format);

        line.open(format);
        line.start();

        rewind();

        int nBytesRead = 0;
        byte[] abData = new byte[512 * 16];

        while (nBytesRead != -1) {
            nBytesRead = read(abData, 0, abData.length);

            if (nBytesRead >= 0) {
                line.write(abData, 0, nBytesRead);
            }
        }

        line.drain();
        if (line.isOpen()) {
            line.close();
        }

    } catch (LineUnavailableException e) {
        log.warning("Audio line is unavailable: " + e);
        throw e;
    } catch (Exception e) {
        throw e;
    }

}

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