Examples with StreamingDetectIntentRequest com.google.cloud.dialogflow.v2.StreamingDetectIntentRequest used on opensource projects

Example 1 with StreamingDetectIntentRequest

use of com.google.cloud.dialogflow.v2.StreamingDetectIntentRequest in project java-dialogflow by googleapis.

the class DetectIntentStream method detectIntentStream.

// DialogFlow API Detect Intent sample with audio files processes as an audio stream.
static void detectIntentStream(String projectId, String audioFilePath, String sessionId) throws IOException, ApiException {
    // Instantiates a client
    try (SessionsClient sessionsClient = SessionsClient.create()) {
        // Set the session name using the sessionId (UUID) and projectID (my-project-id)
        SessionName session = SessionName.of(projectId, sessionId);
        // Instructs the speech recognizer how to process the audio content.
        // Note: hard coding audioEncoding and sampleRateHertz for simplicity.
        // Audio encoding of the audio content sent in the query request.
        InputAudioConfig inputAudioConfig = InputAudioConfig.newBuilder().setAudioEncoding(AudioEncoding.AUDIO_ENCODING_LINEAR_16).setLanguageCode(// languageCode = "en-US"
        "en-US").setSampleRateHertz(// sampleRateHertz = 16000
        16000).build();
        // Build the query with the InputAudioConfig
        QueryInput queryInput = QueryInput.newBuilder().setAudioConfig(inputAudioConfig).build();
        // Create the Bidirectional stream
        BidiStream<StreamingDetectIntentRequest, StreamingDetectIntentResponse> bidiStream = sessionsClient.streamingDetectIntentCallable().call();
        // The first request must **only** contain the audio configuration:
        bidiStream.send(StreamingDetectIntentRequest.newBuilder().setSession(session.toString()).setQueryInput(queryInput).build());
        try (FileInputStream audioStream = new FileInputStream(audioFilePath)) {
            // Subsequent requests must **only** contain the audio data.
            // Following messages: audio chunks. We just read the file in fixed-size chunks. In reality
            // you would split the user input by time.
            byte[] buffer = new byte[4096];
            int bytes;
            while ((bytes = audioStream.read(buffer)) != -1) {
                bidiStream.send(StreamingDetectIntentRequest.newBuilder().setInputAudio(ByteString.copyFrom(buffer, 0, bytes)).build());
            }
        }
        // Tell the service you are done sending data
        bidiStream.closeSend();
        for (StreamingDetectIntentResponse response : bidiStream) {
            QueryResult queryResult = response.getQueryResult();
            System.out.println("====================");
            System.out.format("Intent Display Name: %s\n", queryResult.getIntent().getDisplayName());
            System.out.format("Query Text: '%s'\n", queryResult.getQueryText());
            System.out.format("Detected Intent: %s (confidence: %f)\n", queryResult.getIntent().getDisplayName(), queryResult.getIntentDetectionConfidence());
            System.out.format("Fulfillment Text: '%s'\n", queryResult.getFulfillmentMessagesCount() > 0 ? queryResult.getFulfillmentMessages(0).getText() : "Triggered Default Fallback Intent");
        }
    }
}

Example 2 with StreamingDetectIntentRequest

use of com.google.cloud.dialogflow.v2.StreamingDetectIntentRequest in project java-dialogflow-cx by googleapis.

the class DetectIntentStream method detectIntentStream.

// DialogFlow API Detect Intent sample with audio files processes as an audio stream.
public static void detectIntentStream(String projectId, String locationId, String agentId, String sessionId, String audioFilePath) throws ApiException, IOException {
    SessionsSettings.Builder sessionsSettingsBuilder = SessionsSettings.newBuilder();
    if (locationId.equals("global")) {
        sessionsSettingsBuilder.setEndpoint("dialogflow.googleapis.com:443");
    } else {
        sessionsSettingsBuilder.setEndpoint(locationId + "-dialogflow.googleapis.com:443");
    }
    SessionsSettings sessionsSettings = sessionsSettingsBuilder.build();
    // Instantiates a client
    try (SessionsClient sessionsClient = SessionsClient.create(sessionsSettings)) {
        // Set the session name using the projectID (my-project-id), locationID (global), agentID
        // (UUID), and sessionId (UUID).
        // Using the same `sessionId` between requests allows continuation of the conversation.
        SessionName session = SessionName.of(projectId, locationId, agentId, sessionId);
        // Instructs the speech recognizer how to process the audio content.
        // Note: hard coding audioEncoding and sampleRateHertz for simplicity.
        // Audio encoding of the audio content sent in the query request.
        InputAudioConfig inputAudioConfig = InputAudioConfig.newBuilder().setAudioEncoding(AudioEncoding.AUDIO_ENCODING_LINEAR_16).setSampleRateHertz(// sampleRateHertz = 16000
        16000).build();
        // Build the AudioInput with the InputAudioConfig.
        AudioInput audioInput = AudioInput.newBuilder().setConfig(inputAudioConfig).build();
        // Build the query with the InputAudioConfig.
        QueryInput queryInput = QueryInput.newBuilder().setAudio(audioInput).setLanguageCode(// languageCode = "en-US"
        "en-US").build();
        // Create the Bidirectional stream
        BidiStream<StreamingDetectIntentRequest, StreamingDetectIntentResponse> bidiStream = sessionsClient.streamingDetectIntentCallable().call();
        // Specify sssml name and gender
        VoiceSelectionParams voiceSelection = // Voices that are available https://cloud.google.com/text-to-speech/docs/voices
        VoiceSelectionParams.newBuilder().setName("en-GB-Standard-A").setSsmlGender(SsmlVoiceGender.SSML_VOICE_GENDER_FEMALE).build();
        SynthesizeSpeechConfig speechConfig = SynthesizeSpeechConfig.newBuilder().setVoice(voiceSelection).build();
        // Setup audio config
        OutputAudioConfig audioConfig = // https://cloud.google.com/dialogflow/cx/docs/reference/rpc/google.cloud.dialogflow.cx.v3#outputaudioencoding
        OutputAudioConfig.newBuilder().setAudioEncoding(OutputAudioEncoding.OUTPUT_AUDIO_ENCODING_UNSPECIFIED).setAudioEncodingValue(1).setSynthesizeSpeechConfig(speechConfig).build();
        // The first request must **only** contain the audio configuration:
        bidiStream.send(StreamingDetectIntentRequest.newBuilder().setSession(session.toString()).setQueryInput(queryInput).setOutputAudioConfig(audioConfig).build());
        try (FileInputStream audioStream = new FileInputStream(audioFilePath)) {
            // Subsequent requests must **only** contain the audio data.
            // Following messages: audio chunks. We just read the file in fixed-size chunks. In reality
            // you would split the user input by time.
            byte[] buffer = new byte[4096];
            int bytes;
            while ((bytes = audioStream.read(buffer)) != -1) {
                AudioInput subAudioInput = AudioInput.newBuilder().setAudio(ByteString.copyFrom(buffer, 0, bytes)).build();
                QueryInput subQueryInput = QueryInput.newBuilder().setAudio(subAudioInput).setLanguageCode(// languageCode = "en-US"
                "en-US").build();
                bidiStream.send(StreamingDetectIntentRequest.newBuilder().setQueryInput(subQueryInput).build());
            }
        }
        // Tell the service you are done sending data.
        bidiStream.closeSend();
        for (StreamingDetectIntentResponse response : bidiStream) {
            QueryResult queryResult = response.getDetectIntentResponse().getQueryResult();
            System.out.println("====================");
            System.out.format("Query Text: '%s'\n", queryResult.getTranscript());
            System.out.format("Detected Intent: %s (confidence: %f)\n", queryResult.getIntent().getDisplayName(), queryResult.getIntentDetectionConfidence());
        }
    }
}