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const express = require('express');
const cors = require('cors'); // Add this line
const app = express();
const sdk = require("microsoft-cognitiveservices-speech-sdk");
const path = require('path');
const fs = require('fs')
let MAX_CHAR=parseInt(process.env.MAX_CHAR)
console.log('MAX_CHAR:',MAX_CHAR);
app.use(cors()); // Use cors middleware here
// Serve static files from the "public" directory
app.use(express.static(path.join(__dirname, 'public')));
app.get('/tts/:text', async (req, res) => {
let startTime=Date.now();
console.log('start /tts ' + startTime);
let text = req?.params?.text || 'test';
let max_characters=MAX_CHAR || 498;
let subtext= text.substring(0, max_characters);
console.log('max_characters:',max_characters);
console.log('text that will be convert to audio:', subtext);
try {
const response = await fetch("https://api.ttsopenai.com/api/v1/public/text-to-speech-stream", {
method: "POST",
headers: {
"accept": "application/json",
"accept-language": "en-US,en;q=0.9",
"authorization": "",
"cache-control": "no-cache", "content-type": "application/json", "pragma": "no-cache", "sec-ch-ua": "\"Google Chrome\";v=\"123\", \"Not:A-Brand\";v=\"8\", \"Chromium\";v=\"123\"", "sec-ch-ua-mobile": "?0", "sec-ch-ua-platform": "\"Linux\"", "sec-fetch-dest": "empty", "sec-fetch-mode": "cors", "sec-fetch-site": "same-site",
"Referer": "https://ttsopenai.com/",
"Referrer-Policy": "strict-origin-when-cross-origin"
},
body: JSON.stringify({ "model": "tts-1", "voice": "alloy", "voice_id":"OA001","speed": 1, "input": subtext })
});
console.log('response:', response.status,Date.now()-startTime);
if (response.status !== 200) {
// console.log(response);
throw Error(response.status + await response.text())
}
const mp3Buffer = await response.arrayBuffer();
console.log('gt mp3 buffer ',Date.now()-startTime);
// const mp3File = fs.createWriteStream('output.mp3');
// mp3File.write(Buffer.from(mp3Buffer));
// mp3File.end();
// console.log('MP3 file saved to output.mp3');
// Send the saved file to the client
res.set('Content-Type', 'audio/mpeg');
res.send(Buffer.from(mp3Buffer))
console.log('sent output.mp3 ',Date.now()-startTime);
return;
} catch (error) {
console.error(error, 'try azure tts');
}
console.log('redirct to auretts');
res.redirect('/atts'+text);
});
app.get('/atts/:text', (req, res) => {
const text = req?.params?.text || 'test';
const voice = req?.query?.voicename || "de-DE-SeraphinaMultilingualNeural";
let audioFile = "audio.mp3";
let speechConfig = sdk.SpeechConfig.fromSubscription(process.env.SPEECH_KEY, process.env.SPEECH_REGION);
let audioConfig = sdk.AudioConfig.fromAudioFileOutput(audioFile);
speechConfig.speechSynthesisOutputFormat = sdk.SpeechSynthesisOutputFormat.Audio24Khz160KBitRateMonoMp3;
speechConfig.speechSynthesisVoiceName = voice;
let synthesizer = new sdk.SpeechSynthesizer(speechConfig, audioConfig);
console.log('/attss',text);
synthesizer.speakTextAsync(text,
function (result) {
if (result.reason === sdk.ResultReason.SynthesizingAudioCompleted) {
console.log("synthesis finished.");
res.sendFile(path.join(__dirname,audioFile)); // This will initiate file download
} else {
console.error("Speech synthesis canceled, " + result.errorDetails +
"\nDid you set the speech resource key and region values?");
}
synthesizer.close();
synthesizer = null;
},
function (err) {
console.trace("err - " + err);
synthesizer.close();
synthesizer = null;
});
console.log("Now synthesizing to: " + audioFile);
});
const port = process.env.PORT || 7860;
app.listen(port, () => console.log(`Server is running on port ${port}`));
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