FreeSWITCH折腾笔记6——科大讯飞TTS合成lua脚本

local text=arg[1]
local ltn12=require("ltn12")
local http=require("socket.http"); --装载socket模块 需要安装luasocket  https://codeload.github.com/diegonehab/luasocket/zip/master local base_64=require("mime")  -- 需要安装luasocket  https://codeload.github.com/diegonehab/luasocket/zip/master local md5sum=require("md5")  -- 需要安装md5   https://codeload.github.com/keplerproject/md5/zip/master local send_text="text="..text;
local AUE = "raw";
local APPID = "您的appid";
local API_KEY = "您的apikey";
local param = "{\"aue\":\""..AUE.."\",\"auf\":\"audio/L16;rate=8000\",\"voice_name\":\"xiaoyan\",\"engine_type\":\"intp65\"}";   --请求参数
local paramBase64 = base_64.b64(param);
local curTime=os.time();-- 获取时间戳
local checkSum=md5sum.sumhexa(API_KEY..curTime..paramBase64);
print("请求参数    checkSum:"..checkSum);
print("请求参数 paramBase64:"..paramBase64);
print("请求参数     curTime:"..curTime);
print("请求参数        text:"..text);
local tts_api = "http://api.xfyun.cn/v1/service/v1/tts"
print("开始请求url："..tts_api)
local res,code,response_headers=http.request{
url=tts_api,
-- sink = ltn12.sink.file(io.flush()),
sink = ltn12.sink.file(io.output(checkSum..".wav")),
method ="POST",
headers ={
["Content-Length"]=#send_text,
["X-CurTime"]=curTime,
["X-Param"]=paramBase64,
["X-Appid"]=APPID,
["X-CheckSum"]=checkSum,
["X-Real-Ip"]="127.0.0.1",
["Content-Type"]="application/x-www-form-urlencoded; charset=utf-8"
},
source = ltn12.source.string(send_text)
};
if code==200 then
print("服务器响应请求，返回:"..code)
end
local typeOfContent =  response_headers["content-type"]
if typeOfContent == "audio/mpeg" then
print("语音合成完成，合成文件名："..checkSum..".wav")
return 1,checkSum
else
print("content-type:"..response_headers["content-type"]);
return 0
end