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@saghul /stream.js
Last active Sep 3, 2017

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Streaming a webcam to a Jitsi Meet room
const puppeteer = require('puppeteer');
// Streams the first webcam in the system to the specified Jitsi Meet room. Audio is currently
// not sent, but it can be easily enabled by disabling the corresponding setting in `meetArgs`.
//
// TODO
// - Detect if we are kicked from the room
// - Support authenticated deployments
//
// NOTE: only tested on GNU/Linux.
async function main(room, baseUrl='https://meet.jit.si') {
const chromeArgs = [
// Disable sandboxing, gives an error on Linux
'--no-sandbox',
'--disable-setuid-sandbox',
// Automatically give permission to use media devices
'--use-fake-ui-for-media-stream',
// Silence all output, just in case
'--alsa-output-device=plug:null'
];
const meetArgs = [
// Disable receiving of video
'config.channelLastN=0',
// Mute our audio
'config.startWithAudioMuted=true',
// Don't use simulcast to save resources on the sender (our) side
'config.disableSimulcast=true',
// No need to process audio levels
'config.disableAudioLevels=true',
// Disable P2P mode due to a bug in Jitsi Meet
'config.p2p.enabled=false'
];
const url = `${baseUrl}/${room}#${meetArgs.join('&')}`;
console.log(`Loading ${url}`);
const browser = await puppeteer.launch({ args: chromeArgs, handleSIGINT: false });
const page = await browser.newPage();
// Manual handling on SIGINT to gracefully hangup and exit
process.on('SIGINT', async () => {
console.log('Exiting...');
await page.evaluate('APP.conference.hangup();');
await page.close();
browser.close();
console.log('Done!');
process.exit();
});
await page.goto(url);
// Set some friendly display name
await page.evaluate('APP.conference._room.setDisplayName("Streamer");');
console.log('Running...');
}
main(process.argv[2] || 'test123');
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