113 lines
2.4 KiB
JavaScript
113 lines
2.4 KiB
JavaScript
/**
|
|
* File: app/radio.js
|
|
* Author: Gerrit Linnemann
|
|
*
|
|
* Where the magic happens.
|
|
*/
|
|
|
|
|
|
// load the things we need
|
|
var spawn = require('child_process').spawn;
|
|
var exec = require('child_process').exec;
|
|
var fs = require("fs");
|
|
var http = require('http');
|
|
var wget = require('wget');
|
|
var grep = require('simple-grep');
|
|
|
|
|
|
var App = null;
|
|
var Log = null
|
|
var Helper = null;
|
|
var Conf = null;
|
|
|
|
var volume = '40';
|
|
|
|
|
|
exports.init = function(Express, Configuration) {
|
|
App = Express;
|
|
Conf = Configuration;
|
|
Log = App.get('Log');
|
|
Helper = App.get('Helper');
|
|
|
|
Log.debug('Radio: ' + exports.countChannels() + ' channels configured');
|
|
Helper.each(Conf.channels, function(channel, isLast) {
|
|
//Log.inspect('Channel', channel);
|
|
Log.log('Radio: Found channel ' + channel.title);
|
|
});
|
|
|
|
// set default volume level
|
|
//Helper.shspawn('amixer scontrols');
|
|
//Helper.shspawn('amixer sset \'PCM\' '+volume+'%');
|
|
|
|
return this;
|
|
}
|
|
|
|
exports.countChannels = function() {
|
|
return Conf.channels.length;
|
|
}
|
|
|
|
exports.getChannels = function() {
|
|
return Conf.channels;
|
|
}
|
|
|
|
exports.getChannel = function(idx) {
|
|
if(Helper.isDefinedAndNotNull(Conf.channels[idx])) {
|
|
return Conf.channels[idx];
|
|
} else {
|
|
return null;
|
|
}
|
|
}
|
|
|
|
exports.play = function(idx) {
|
|
var channel = Conf.channels[idx];
|
|
if(channel !== undefined) {
|
|
var stream2play = channel.stream;
|
|
var m3u = '/tmp/kitchenradio.m3u';
|
|
|
|
try {
|
|
fs.unlinkSync(m3u);
|
|
} catch(e) {
|
|
Log.error('Radio: Error deleting "' + m3u + '".' + e);
|
|
}
|
|
|
|
var download = wget.download(channel.stream, m3u);
|
|
download.on('end', function(output) {
|
|
Log.inspect('Radio: Download completed', output);
|
|
|
|
Helper.shspawn(App.get('tools_root')+'action.sh stop');
|
|
Helper.shspawn(App.get('tools_root')+'action.sh play');
|
|
});
|
|
|
|
download.on('error', function(err) {
|
|
Log.error('Radio: Error downloading playlist. ' + err);
|
|
});
|
|
} else {
|
|
Log.error('Radio: No channel defined!');
|
|
}
|
|
}
|
|
|
|
exports.stop = function() {
|
|
Log.log('Radio: stop playing');
|
|
Helper.shspawn(App.get('tools_root')+'action.sh stop');
|
|
}
|
|
|
|
exports.volumeUp = function() {
|
|
exports.volume(5)
|
|
}
|
|
|
|
exports.volumeDown = function() {
|
|
exports.volume(-5)
|
|
}
|
|
|
|
exports.volume = function(step) {
|
|
Log.log('Radio: volume ' + (step>0 ? 'up' : 'down'));
|
|
|
|
if(step != 0) {
|
|
volume += step;
|
|
|
|
if(volume > 100) { volume = 100; }
|
|
if(volume < 0) { volume = 0; }
|
|
|
|
Helper.shspawn('amixer sset \'PCM\' '+volume+'%');
|
|
}
|
|
} |