public void run(string text)
{
iSpeechSynthesis iSpeech = new iSpeechSynthesis(_api, _production);
iSpeech.setVoice("usenglishfemale");
iSpeech.setOptionalCommands("format", "mp3");
TTSResult result = iSpeech.speak(text);
byte [] audioData = new byte[result.getAudioFileLength()];
int read = 0;
int totalRead = 0;
while (totalRead < audioData.Length)
{
read = result.getStream().Read(audioData, totalRead, audioData.Length - totalRead);
totalRead += read;
}
FileStream fs = new FileStream("audio.mp3", FileMode.Create);
BinaryWriter bw = new BinaryWriter(fs);
bw.Write(audioData, 0, audioData.Length);
}
private async void StartReceiving(ClientWebSocket client)
{
if (_result != null)
{
_result.Clear();
}
while (true)
{
try
{
if (client.CloseStatus == WebSocketCloseStatus.EndpointUnavailable ||
client.CloseStatus == WebSocketCloseStatus.InternalServerError ||
client.CloseStatus == WebSocketCloseStatus.EndpointUnavailable)
{
Status = ServiceStatus.Stopped;
return;
}
//唔，足够大的缓冲区
var array = new byte[100000];
var receive = await client.ReceiveAsync(new ArraySegment <byte>(array), CancellationToken.None);
if (receive.MessageType == WebSocketMessageType.Text)
{
if (receive.Count <= 0)
{
continue;
}
string msg = Encoding.UTF8.GetString(array, 0, receive.Count);
//TTSResult result = JsonSerializer.Deserialize<TTSResult>(msg, new JsonSerializerOptions()
//{
// PropertyNameCaseInsensitive = true
//});
TTSResult result = JsonConvert.DeserializeObject <TTSResult>(msg);
if (result.Code != 0)
{
throw new Exception($"Result error: {result.Message}");
}
if (result.Data == null)
{
//空帧，不用管
continue;
}
byte[] audiaBuffer = System.Convert.FromBase64String(result.Data.Audio);
_result.AddRange(audiaBuffer);
OnMessage?.Invoke(this, result.Data.Audio);
if (result.Data.Status == 2)
{
Status = ServiceStatus.Stopped;
}
}
}
catch (WebSocketException)
{
Status = ServiceStatus.Stopped;
return;
}
catch (Exception ex)
{
Status = ServiceStatus.Stopped;
if (!ex.Message.ToLower().Contains("unable to read data from the transport connection"))
{
OnError?.Invoke(this, new ErrorEventArgs()
{
Code = ResultCode.Error,
Message = ex.Message,
Exception = ex,
});
}
}
}
}
private async Task <MemoryStream> MainMethod(string input)
{
MemoryStream outstream = null;
try
{
// 对要合成语音的文字先用utf-8然后进行URL加密
byte[] textData = Encoding.UTF8.GetBytes(input);
input = HttpUtility.UrlEncode(textData);
string param = JsonHelper.SerializeObject(_data);
// 获取十位的时间戳
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
string curTime = System.Convert.ToInt64(ts.TotalSeconds).ToString();
// 对参数先utf-8然后用base64编码
byte[] paramData = Encoding.UTF8.GetBytes(param);
string paraBase64 = System.Convert.ToBase64String(paramData);
// 形成签名
string checkSum = Md5(_settings.ApiKey + curTime + paraBase64);
// 组装http请求头
ServicePointManager.ServerCertificateValidationCallback = new RemoteCertificateValidationCallback(CheckCertificate);
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(_settings.TTSUrl);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.AllowAutoRedirect = true;
request.Proxy = null;
request.Headers.Add("X-Param", paraBase64);
request.Headers.Add("X-CurTime", curTime);
request.Headers.Add("X-Appid", _settings.AppID);
request.Headers.Add("X-CheckSum", checkSum);
//.Net Core必须添加，不然会报异常
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
Stream requestStream = await request.GetRequestStreamAsync();
StreamWriter streamWriter = new StreamWriter(requestStream, Encoding.GetEncoding("gb2312"));
streamWriter.Write(string.Format("text={0}", input));
streamWriter.Close();
string htmlStr = string.Empty;
HttpWebResponse response = request.GetResponse() as HttpWebResponse;
using (Stream responseStream = response.GetResponseStream())
{
using (StreamReader reader = new StreamReader(responseStream, Encoding.GetEncoding("UTF-8")))
{
string header_type = response.Headers["Content-Type"];
if (header_type.ToLower() == "audio/mpeg")
{
Stream st = response.GetResponseStream();
outstream = new MemoryStream();
const int bufferLen = 4096;
byte[] buffer = new byte[bufferLen];
int count = 0;
while ((count = st.Read(buffer, 0, bufferLen)) > 0)
{
outstream.Write(buffer, 0, count);
}
}
else if (header_type.ToLower() == "text/plain")
{
htmlStr = reader.ReadToEnd();
TTSResult result = JsonHelper.DeserializeJsonToObject <TTSResult>(htmlStr);
throw new Exception($"{result.Code}|{result.Sid}|{result.Desc}");
}
else
{
htmlStr = reader.ReadToEnd();
throw new Exception(htmlStr);
}
}
responseStream.Close();
}
return(outstream);
}
catch (Exception ex)
{
throw ex;
}
}
