public virtual Dictionary <string, string> GetAudioHeaders(string token, AudioOutputFormatOptions outputFormat)
{
return(new Dictionary <string, string>()
{
{ "Content-Type", "application/ssml+xml" },
{ "X-Microsoft-OutputFormat", outputFormat.MemberAttrValue() },
{ "Authorization", $"Bearer {token}" },
{ "User-Agent", "TTSClient" }
});
}
public virtual Dictionary <string, string> GetAudioHeaders(string token, AudioOutputFormatOptions outputFormat)
{
return(new Dictionary <string, string>()
{
{ "Content-Type", "application/ssml+xml" },
{ "X-Microsoft-OutputFormat", JsonConvert.SerializeObject(outputFormat) },
{ "Authorization", $"Bearer {token}" },
{ "X-Search-AppId", "07D3234E49CE426DAA29772419F436CA" },
{ "X-Search-ClientID", "1ECFAE91408841A480F00935DC390960" },
{ "User-Agent", "TTSClient" }
});
}
public virtual Task <Stream> TextToSpeechAsync(string text, SpeechLocaleOptions locale, VoiceName voiceName,
GenderOptions voiceType, AudioOutputFormatOptions outputFormat)
{
return(PolicyService.ExecuteRetryAndCapture400Errors(
"SpeechService.TextToSpeechAsync",
ApiKeys.SpeechRetryInSeconds,
() =>
{
var result = SpeechRepository.TextToSpeechAsync(text, locale, voiceName, voiceType, outputFormat);
return result;
},
null));
}
public virtual Stream TextToSpeech(string text, BingSpeechLocaleOptions locale, string voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat)
{
try {
var result = SpeechRepository.TextToSpeech(text, locale, voiceName, voiceType, outputFormat);
return(result);
} catch (Exception ex) {
Logger.Error("SpeechService.TextToSpeech failed", this, ex);
}
return(null);
}
public virtual async Task <Stream> GetAudioStreamAsync(string url, string text, BingSpeechLocaleOptions locale, string voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat, string token)
{
HttpClientHandler handler = new HttpClientHandler()
{
CookieContainer = new CookieContainer(), UseProxy = false
};
HttpClient client = new HttpClient(handler);
client.DefaultRequestHeaders.Clear();
var Headers = GetAudioHeaders(token, outputFormat);
foreach (var header in Headers)
{
client.DefaultRequestHeaders.TryAddWithoutValidation(header.Key, header.Value);
}
var request = new HttpRequestMessage(HttpMethod.Post, url)
{
Content = GetAudioContent(text, locale, voiceName, voiceType)
};
var response = await client.SendAsync(request, HttpCompletionOption.ResponseHeadersRead, CancellationToken.None);
return(await response.Content.ReadAsStreamAsync());
}
public virtual Stream GetAudioStream(string url, string text, SpeechLocaleOptions locale, VoiceName voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat, string token)
{
// Construct HTTP request to get the logo
HttpWebRequest httpRequest = (HttpWebRequest)
WebRequest.Create(url);
httpRequest.Method = WebRequestMethods.Http.Post;
var headers = GetAudioHeaders(token, outputFormat);
httpRequest.Headers.Add("X-Microsoft-OutputFormat", outputFormat.MemberAttrValue());
httpRequest.Headers.Add("Authorization", $"Bearer {token}");
httpRequest.ContentType = "application/ssml+xml";
httpRequest.UserAgent = "TTSClient";
byte[] reqData = Encoding.UTF8.GetBytes(GetAudioContent(text, locale, voiceName, voiceType));
httpRequest.ContentLength = (long)reqData.Length;
Stream requestStream = httpRequest.GetRequestStream();
requestStream.Write(reqData, 0, reqData.Length);
requestStream.Close();
// Get back the HTTP response for web server
HttpWebResponse httpResponse = (HttpWebResponse)httpRequest.GetResponse();
Stream httpResponseStream = httpResponse.GetResponseStream();
var newStream = new MemoryStream();
httpResponseStream.CopyTo(newStream);
httpResponse.Close();
newStream.Position = 0;
return(newStream);
}
public virtual bool TextToFile(string text, string filePath, SpeechLocaleOptions locale, VoiceName voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat)
{
if (File.Exists(filePath))
{
return(true);
}
//can only send 1000 characters at a time
//speech xml request = 178 characters
var textLimit = 822;
var textParts = (text.Length > textLimit)
? SplitToLength(text, textLimit)
: new List <string> {
text
};
using (var fileStream = new FileStream(filePath, FileMode.Append, FileAccess.Write, FileShare.Write))
{
foreach (var t in textParts)
{
using (var dataStream = TextToSpeech(t, locale, voiceName, voiceType, outputFormat))
{
if (dataStream != null)
{
dataStream.CopyTo(fileStream);
}
}
}
fileStream.Close();
}
return(true);
}
public virtual async Task <Stream> TextToSpeechAsync(string text, SpeechLocaleOptions locale, VoiceName voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat)
{
var response = await RepositoryClient.GetAudioStreamAsync(
ApiKeys.SpeechEndpoint,
text,
locale,
voiceName,
voiceType,
outputFormat,
GetSpeechToken());
return(response);
}
public virtual async Task <Stream> TextToSpeechAsync(string text, BingSpeechLocaleOptions locale, string voiceName, GenderOptions voiceType, AudioOutputFormatOptions outputFormat)
{
var response = await RepositoryClient.GetAudioStreamAsync(
$"{ApiKeys.BingSpeechEndpoint}synthesize",
text,
locale,
voiceName,
voiceType,
outputFormat,
RepositoryClient.SendBingSpeechTokenRequest(ApiKeys.BingSpeech));
return(response);
}
