add Xunfei Voice

Signed-off-by: njnuko <njnuko@163.com>

voice/xunfei/xunfei_tts.py

@@ -0,0 +1,163 @@
+# -*- coding:utf-8 -*-
+#
+#  Author: njnuko
+#  Email: njnuko@163.com
+#
+#  这个文档是基于官方的demo来改的，固体官方demo文档请参考官网
+#
+#  语音听写流式 WebAPI 接口调用示例 接口文档（必看）：https://doc.xfyun.cn/rest_api/语音听写（流式版）.html
+#  webapi 听写服务参考帖子（必看）：http://bbs.xfyun.cn/forum.php?mod=viewthread&tid=38947&extra=
+#  语音听写流式WebAPI 服务，热词使用方式：登陆开放平台https://www.xfyun.cn/后，找到控制台--我的应用---语音听写（流式）---服务管理--个性化热词，
+#  设置热词
+#  注意：热词只能在识别的时候会增加热词的识别权重，需要注意的是增加相应词条的识别率，但并不是绝对的，具体效果以您测试为准。
+#  语音听写流式WebAPI 服务，方言试用方法：登陆开放平台https://www.xfyun.cn/后，找到控制台--我的应用---语音听写（流式）---服务管理--识别语种列表
+#  可添加语种或方言，添加后会显示该方言的参数值
+#  错误码链接：https://www.xfyun.cn/document/error-code （code返回错误码时必看）
+# # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
+import websocket
+import datetime
+import hashlib
+import base64
+import hmac
+import json
+from urllib.parse import urlencode
+import time
+import ssl
+from wsgiref.handlers import format_date_time
+from datetime import datetime
+from time import mktime
+import _thread as thread
+import os
+
+
+
+STATUS_FIRST_FRAME = 0  # 第一帧的标识
+STATUS_CONTINUE_FRAME = 1  # 中间帧标识
+STATUS_LAST_FRAME = 2  # 最后一帧的标识
+
+#############
+#这个参数是用来做输出文件路径的
+global outfile
+#这个文档是官方文档改的，这个参数是用来做函数调用时用的
+global wsParam
+##############
+
+
+class Ws_Param(object):
+    # 初始化
+    def __init__(self, APPID, APIKey, APISecret,BusinessArgs,Text):
+        self.APPID = APPID
+        self.APIKey = APIKey
+        self.APISecret = APISecret
+        self.BusinessArgs = BusinessArgs
+        self.Text = Text
+
+        # 公共参数(common)
+        self.CommonArgs = {"app_id": self.APPID}
+        # 业务参数(business)，更多个性化参数可在官网查看
+        #self.BusinessArgs = {"aue": "raw", "auf": "audio/L16;rate=16000", "vcn": "xiaoyan", "tte": "utf8"}
+        self.Data = {"status": 2, "text": str(base64.b64encode(self.Text.encode('utf-8')), "UTF8")}
+        #使用小语种须使用以下方式，此处的unicode指的是 utf16小端的编码方式，即"UTF-16LE"”
+        #self.Data = {"status": 2, "text": str(base64.b64encode(self.Text.encode('utf-16')), "UTF8")}
+
+    # 生成url
+    def create_url(self):
+        url = 'wss://tts-api.xfyun.cn/v2/tts'
+        # 生成RFC1123格式的时间戳
+        now = datetime.now()
+        date = format_date_time(mktime(now.timetuple()))
+
+        # 拼接字符串
+        signature_origin = "host: " + "ws-api.xfyun.cn" + "\n"
+        signature_origin += "date: " + date + "\n"
+        signature_origin += "GET " + "/v2/tts " + "HTTP/1.1"
+        # 进行hmac-sha256进行加密
+        signature_sha = hmac.new(self.APISecret.encode('utf-8'), signature_origin.encode('utf-8'),
+                                 digestmod=hashlib.sha256).digest()
+        signature_sha = base64.b64encode(signature_sha).decode(encoding='utf-8')
+
+        authorization_origin = "api_key=\"%s\", algorithm=\"%s\", headers=\"%s\", signature=\"%s\"" % (
+            self.APIKey, "hmac-sha256", "host date request-line", signature_sha)
+        authorization = base64.b64encode(authorization_origin.encode('utf-8')).decode(encoding='utf-8')
+        # 将请求的鉴权参数组合为字典
+        v = {
+            "authorization": authorization,
+            "date": date,
+            "host": "ws-api.xfyun.cn"
+        }
+        # 拼接鉴权参数，生成url
+        url = url + '?' + urlencode(v)
+        # print("date: ",date)
+        # print("v: ",v)
+        # 此处打印出建立连接时候的url,参考本demo的时候可取消上方打印的注释，比对相同参数时生成的url与自己代码生成的url是否一致
+        # print('websocket url :', url)
+        return url
+
+def on_message(ws, message):
+    #输出文件
+    global outfile
+    try:
+        message =json.loads(message)
+        code = message["code"]
+        sid = message["sid"]
+        audio = message["data"]["audio"]
+        audio = base64.b64decode(audio)
+        status = message["data"]["status"]
+        if status == 2:
+            print("ws is closed")
+            ws.close()
+        if code != 0:
+            errMsg = message["message"]
+            print("sid:%s call error:%s code is:%s" % (sid, errMsg, code))
+        else:
+
+            with open(outfile, 'ab') as f:
+                f.write(audio)
+
+    except Exception as e:
+        print("receive msg,but parse exception:", e)
+
+
+
+# 收到websocket连接建立的处理
+def on_open(ws):
+    global outfile
+    global wsParam
+    def run(*args):
+        d = {"common": wsParam.CommonArgs,
+             "business": wsParam.BusinessArgs,
+             "data": wsParam.Data,
+             }
+        d = json.dumps(d)
+        print("------>开始发送文本数据")
+        ws.send(d)
+        if os.path.exists(outfile):
+            os.remove(outfile)
+
+    thread.start_new_thread(run, ())
+
+# 收到websocket错误的处理
+def on_error(ws, error):
+    print("### error:", error)
+
+
+
+# 收到websocket关闭的处理
+def on_close(ws):
+    print("### closed ###")
+
+
+
+def xunfei_tts(APPID, APIKey, APISecret,BusinessArgsTTS, Text, OutFile):
+    global outfile
+    global wsParam 
+    outfile = OutFile
+    wsParam1 = Ws_Param(APPID,APIKey,APISecret,BusinessArgsTTS,Text)
+    wsParam = wsParam1
+    websocket.enableTrace(False)
+    wsUrl = wsParam.create_url()
+    ws = websocket.WebSocketApp(wsUrl, on_message=on_message, on_error=on_error, on_close=on_close)
+    ws.on_open = on_open
+    ws.run_forever(sslopt={"cert_reqs": ssl.CERT_NONE})
+    return outfile
+