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example-chromecast.js
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example-chromecast.js
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var express = require('express');
var app = express();
var encoder = require('./Encoder');
var fs = require('fs');
var net = require('net');
var rangeParser = require('range-parser');
var pump = require('pump');
var mime = require('mime');
var port = 9090;
var expressServer;
var ip = require('my-local-ip');
encoder.debug = true;
expressServer = app.listen(port, function() {
var host = expressServer.address().address;
var port = expressServer.address().port;
console.log('FFmpeg Webserver listening at http://%s:%s', host, port);
});
//player.play('http://'+ip()+':9090/stream-with-transcode', {title: '#ripmatbee', type: 'video/mp4'});
// http://192.168.0.196:9090/stream-with-transcode
//
//curl -H 'Content-Type: text/xml; charset=utf-8' -H 'SOAPAction: "urn:schemas-upnp-org:service:AVTransport:1#SetAVTransportURI"' -d '<?xml version="1.0″ encoding="utf-8″?><s:Envelope s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"><s:Body><u:SetAVTransportURI xmlns:u="urn:schemas-upnp-org:service:AVTransport:1″><InstanceID>0</InstanceID><CurrentURI><![CDATA[http://192.168.0.196:9090/stream-with-transcode]]></CurrentURI><CurrentURIMetaData></CurrentURIMetaData></u:SetAVTransportURI></s:Body></s:Envelope>' 'http://192.168.0.105:59772/AVTransport/21fc4817-b8f7-ee43-1461-68a55e55fce0/control.xml'
//curl -H 'Content-Type: text/xml; charset=utf-8' -H 'SOAPAction: "urn:schemas-upnp-org:service:AVTransport:1#Play"' -d '<?xml version="1.0″ encoding="utf-8″?><s:Envelope s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/" xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"><s:Body><u:Play xmlns:u="urn:schemas-upnp-org:service:AVTransport:1″><InstanceID>0</InstanceID><Speed>1</Speed></u:Play></s:Body></s:Envelope>' 'http://192.168.0.105:59772/AVTransport/21fc4817-b8f7-ee43-1461-68a55e55fce0/control.xml'
var activeFile;
function mediaSelected(filePath) {
activeFile = filePath;
}
var chromecasts = require('chromecasts')();
chromecasts.on('update', function (player) {
player.play('http://'+ip()+':9090/stream-with-transcode', {title: '#ripmatbee', type: 'video/mp4'});
console.log('http://'+ip()+':9090/stream-with-transcode', {title: '#ripmatbee', type: 'video/mp4'});
});
app.get("/stream-with-transcode", function(req, res) {
var stats = fs.statSync(activeFile);
encoder.profiles.CHROMECAST.debug = true;
var engine = encoder.profile(encoder.profiles.CHROMECAST, stats.size);
engine.rescale(720);
res.setHeader('Content-Type', "video/mp4");
// Sometimes FFmpeg may need to seek throughout a file to encode the video, or probe.
function streamNeeded (startByte, endByte, cb) {
console.info("streamNeeded", startByte, endByte);
cb(fs.createReadStream(activeFile, {
start: startByte,
end: endByte
}));
}
engine.on("streamNeeded", streamNeeded);
// Certain devices need specific HTTP Headers in order to decode the video. Use these headers. (DLNA ETC...)
engine.once("httpHeaders", function(headerInfo) {
res.writeHeader(headerInfo);
});
encoder.encode(engine, {
force: true
}).then(function(stream) {
stream.pipe(res, {
end: true
});
function endStream () {
console.log("stream ended, nothing more to do.");
engine.removeAllListeners();
res.end();
}
stream.on("end", endStream);
});
});
mediaSelected(fs.existsSync("../demo.mp4") ? '../demo.mp4' : '../demo.mkv');