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12
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1 local Luan = require "luan:Luan.luan"
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2 local error = Luan.error
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3 local Parsers = require "luan:Parsers.luan"
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4 local xml_encode = Parsers.xml_encode or error()
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5 local Io = require "luan:Io.luan"
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6 local uri = Io.uri or error()
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7 local Http = require "luan:http/Http.luan"
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8 local Config = require "site:/private/Config.luan"
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9
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10
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26
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11 -- https://learn.microsoft.com/en-us/azure/ai-services/speech-service/index-text-to-speech
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12
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12
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13 local region = Config.azure_tts.region or error()
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14 local url = "https://"..region..".tts.speech.microsoft.com/cognitiveservices/v1"
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15 local headers = {
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16 ["Ocp-Apim-Subscription-Key"] = Config.azure_tts.key or error()
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17 ["Content-Type"] = "application/ssml+xml"
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18 ["X-Microsoft-OutputFormat"] = "audio-16khz-128kbitrate-mono-mp3"
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19 }
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20
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31
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21 local function text_to_speech(lang,voice,text)
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12
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22 local xml = `%>
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23 <speak version='1.0' xml:lang='<%=lang%>'>
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31
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24 <voice name='<%=voice%>'>
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12
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25 <%= xml_encode(text) %>
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26 </voice>
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27 </speak>
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28 <% `
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29 local options = {
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30 method = "POST"
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31 headers = headers
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32 content = xml
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33 }
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34 return uri(url,options)
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35 end
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36
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37 return function()
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16
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38 local lang = Http.request.parameters.lang or error()
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31
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39 local voice = Http.request.parameters.voice or error()
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12
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40 local text = Http.request.parameters.text or error()
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31
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41 local input = text_to_speech(lang,voice,text)
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12
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42 Http.response.binary_writer().write_from(input)
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43 end
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