1 private static string app_id = ConfigurationManager.AppSettings["Xunfei_App_id"];
2 private static string api_key = ConfigurationManager.AppSettings["Xunfei_Api_Key"];
3 private static string api_secret = ConfigurationManager.AppSettings["Xunfei_Api_Secret"];
4 private bool SendWebSocket(string text,string filePath)
5 {
6 try
7 {
8 //请求参数
9 var param = new
10 {
11 common = new { app_id = app_id },
12 business = new
13 {
14 aue = "raw",
15 sfl = 1,
16 auf = "audio/L16;rate=16000",
17 vcn = "aisjinger",
18 speed = 50,
19 volume = 70,
20 pitch = 50,
21 bgs = 1,
22 tte = "UTF8"
23 },
24 data = new
25 {
26 status = 2,
27 text = Convert.ToBase64String(Encoding.UTF8.GetBytes(text))
28 }
29 };
30 string sendMsg = JsonConvert.SerializeObject(param);
31 //随便定义
32 string host = "localhost:8080";
33 var date = DateTime.UtcNow.ToString("R");
34
35 var signature_ori = $"host: {host}\ndate: {date}\nGET /v2/tts HTTP/1.1";
36
37 string signature = hmacsha256(signature_ori, api_secret);
38
39 //获取签名
40 var authorization_ori = $"api_key=\"{api_key}\", algorithm=\"hmac-sha256\", headers=\"host date request-line\", signature=\"{signature}\"";
41 byte[] buffer = Encoding.UTF8.GetBytes(authorization_ori);
42 var authorization = Convert.ToBase64String(buffer);
43
44 //获取socket请求地址
45 var url = $"wss://tts-api.xfyun.cn/v2/tts?authorization={authorization}&date={date}&host={host}";
46
47 System.Threading.CancellationToken _cancel = new System.Threading.CancellationToken();
48 ClientWebSocket clientWebSocket = new ClientWebSocket();
49 clientWebSocket.ConnectAsync(new Uri(url), _cancel).Wait();
50 clientWebSocket.SendAsync(new ArraySegment<byte>(Encoding.UTF8.GetBytes(sendMsg)), WebSocketMessageType.Text, true, _cancel).Wait();
51 string str = string.Empty;
52 while (clientWebSocket.State == System.Net.WebSockets.WebSocketState.Open)
53 {
54 var result = new byte[1024*4];
55 clientWebSocket.ReceiveAsync(new ArraySegment<byte>(result), _cancel).Wait();//接受数据
56 var lastbyte = ByteCut(result, 0x00);
57 str += Encoding.UTF8.GetString(lastbyte, 0, lastbyte.Length);
58 }
59 clientWebSocket.CloseAsync(WebSocketCloseStatus.NormalClosure,string.Empty ,_cancel).Wait();
60 string[] arry = str.Split(new string[] { "}}" }, StringSplitOptions.None).Where(t => !string.IsNullOrEmpty(t)).ToArray();
61
62 using (System.IO.FileStream stream = new System.IO.FileStream(filePath, System.IO.FileMode.Append))
63 {
64 foreach (var item in arry)
65 {
66 string json = item + "}}";
67 dynamic jsonData = JsonConvert.DeserializeObject(json) as dynamic;
68 int code = jsonData.code;
69
70 if (code != 0)
71 {
72 //合成失败
73
74 }
75 else
76 {
77 _result = jsonData.data.audio;
78 byte[] buf = Convert.FromBase64String(_result);
79 stream.Write(buf, 0, buf.Length);
80 }
81 }
82 }
83 return true;
84 }
85 catch(Exception ex)
86 {
87 return false;
88 }
89 }
90
91 private byte[] ByteCut(byte[] buf, byte cut = 0x00)
92 {
93 var list = new List<byte>();
94 list.AddRange(buf);
95 for (var i = list.Count - 1; i >= 0; i--)
96 {
97 if (list[i] == cut)
98 {
99 list.RemoveAt(i);
100 }
101 else
102 {
103 break;
104 }
105 }
106 var lastbyte = new byte[list.Count];
107 for (var i = 0; i < list.Count; i++)
108 {
109 lastbyte[i] = list[i];
110 }
111 return lastbyte;
112 }
