private void Start()
{
//Linear16 is for .wav files which are supported by this program
//and it needs to have a sample rate of 16000 or 16K Hz
outputAudioConfig = new OutputAudioConfig()
{
AudioEncoding = OutputAudioEncoding.Linear16,
SampleRateHertz = 16000,
SynthesizeSpeechConfig = new SynthesizeSpeechConfig()
{
Voice = new VoiceSelectionParams()
{
SsmlGender = SsmlVoiceGender.Female
}
}
};
//Defines what kind of audio bytes we are sending
inputAudioConfig = new InputAudioConfig()
{
AudioEncoding = AudioEncoding.Linear16,
LanguageCode = "en-US",
SampleRateHertz = 16000
};
//Specifies the audio config to show that the input is audio bytes
query = new QueryInput()
{
AudioConfig = inputAudioConfig
};
session = string.Format("projects/{0}/agent/sessions/{1}", agent, sessionId);
}
// [START dialogflow_detect_intent_texttospeech_response]
public static int DetectIntentTexttospeechResponseFromTexts(string projectId,
string sessionId,
string[] texts,
string languageCode = "en-US")
{
var client = SessionsClient.Create();
var outputAudioConfig = new OutputAudioConfig
{
AudioEncoding = OutputAudioEncoding.Linear16,
SynthesizeSpeechConfig = new SynthesizeSpeechConfig
{
SpeakingRate = 1,
Pitch = 1,
VolumeGainDb = 1
},
SampleRateHertz = 16000,
};
foreach (var text in texts)
{
var response = client.DetectIntent(new DetectIntentRequest
{
SessionAsSessionName = SessionName.FromProjectSession(projectId, sessionId),
OutputAudioConfig = outputAudioConfig,
QueryInput = new QueryInput()
{
Text = new TextInput()
{
Text = text,
LanguageCode = languageCode
}
}
}
);
var queryResult = response.QueryResult;
Console.WriteLine($"Query text: {queryResult.QueryText}");
if (queryResult.Intent != null)
{
Console.WriteLine($"Intent detected: {queryResult.Intent.DisplayName}");
}
Console.WriteLine($"Intent confidence: {queryResult.IntentDetectionConfidence}");
Console.WriteLine($"Fulfillment text: {queryResult.FulfillmentText}");
Console.WriteLine();
if (response.OutputAudio.Length > 0)
{
using (var output = File.Create("output.wav"))
{
response.OutputAudio.WriteTo(output);
}
Console.WriteLine("Audio content written to file \"output.wav\"");
}
}
return(0);
}
private async Task <string> DetectIntent(string inputAudio)
{
InputAudioConfig audioConfig = ConfigureAudioInput();
OutputAudioConfig outputConfig = ConfigureAudioOutput();
QueryInput queryInput = new QueryInput()
{
AudioConfig = audioConfig,
};
DetectIntentContent detectIntentContent = new DetectIntentContent()
{
queryInput = queryInput,
inputAudio = inputAudio,
outputAudioConfig = outputConfig
};
JsonSerializerSettings settings = new JsonSerializerSettings();
settings.ContractResolver = new Newtonsoft.Json.Serialization.CamelCasePropertyNamesContractResolver();
string content = JsonConvert.SerializeObject(detectIntentContent, settings);
content = content.Replace(",\"inputCase\":1", "");
Uri requestUri = new Uri("https://dialogflow.googleapis.com/v2/projects/mistyapi-pxxkne/agent/sessions/123456:detectIntent");
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, requestUri);
request.Content = new StringContent(content, Encoding.UTF8);
request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", _credential.AuthToken);
HttpResponseMessage result = await _client.SendAsync(request);
string stringResult = await result.Content.ReadAsStringAsync();
OnQueryResultReceived?.Invoke(this, stringResult);
return(stringResult);
}