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copied!<p>It is not possible to achieve this in JavaScript. However, you might be able to run it from the browser with an <a href="https://developer.mozilla.org/En/Plugins" rel="nofollow">NPAPI</a> plugin (with great pain).</p> <p>If you can run a local server, there are several node.js modules which make this much easier. The following example will stream any audio file that is posted to a nearby AirPlay device.</p> <ul> <li>It requires the <a href="https://github.com/lperrin/node_airtunes/" rel="nofollow">airtunes</a> module from NPM, which I maintain.</li> <li>It uses <a href="http://ffmpeg.org/" rel="nofollow">FFmpeg</a> to transcode the file.</li> </ul> <p>You can test it with:</p> <pre><code>curl -X POST --data-binary @sample.mp3 http://localhost:8080/audio </code></pre> <p>It assumes that FFmpeg is located in /usr/local/bin/ffmpeg, and that an AirPlay device is available on localhost:5000 (you can try with Airfoil Speakers).</p> <pre><code>var airtunes = require('airtunes'), express = require('express'), app = express(), device = airtunes.add('localhost'), spawn = require('child_process').spawn; app.post('/audio', function(req, res) { // use ffmpeg to reencode data on the fly var ffmpeg = spawn('/usr/local/bin/ffmpeg', [ '-i', 'pipe:0', // Read from stdin '-f', 's16le', // PCM 16bits, little-endian '-ar', '44100', // Sampling rate '-ac', 2, // Stereo 'pipe:1' // Output to stdout ]); // pipe data to AirTunes ffmpeg.stdout.pipe(airtunes, { end: false }); // detect if ffmpeg was not spawned correctly ffmpeg.stderr.setEncoding('utf8'); ffmpeg.stderr.on('data', function(data) { if(/^execvp\(\)/.test(data)) { console.log('failed to start ' + argv.ffmpeg); process.exit(1); } }); req.pipe(ffmpeg.stdin); req.on('end', function() { res.end(); }); }); device.on('status', function(status) { console.log('status: ' + status); }); console.log('listening on port 8080'); app.listen(8080); </code></pre> <p></p>

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