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This commit is contained in:
Evert Prants 2018-12-18 19:38:18 +02:00
commit 732ede8986
Signed by: evert
GPG Key ID: 1688DA83D222D0B5
19 changed files with 1372 additions and 0 deletions
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.editorconfig Normal file
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# top-most EditorConfig file
root = true
# Unix-style newlines with a newline ending every file
[*]
end_of_line = lf
insert_final_newline = true
# Matches multiple files with brace expansion notation
# Set default charset
[*.js]
charset = utf-8
indent_style = space
indent_size = 2

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/node_modules
/config.json

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control/config.js Normal file
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const fs = require('fs').promises
const path = require('path')
const configFile = path.join(__dirname, '..', 'config.json')
const defvals = {
api: {
host: '0.0.0.0',
port: 7005,
mount: '/api'
},
rtmp: {
host: 'icynet.eu:1935',
mount: '/live',
key: ''
},
control: {
host: '127.0.0.1',
port: 7004
},
liquidsoap: {
fallback: '',
bitrate: 2000,
entry: 'liq/view.liq'
},
calendar: {
googleKey: '',
calendar: '',
interval: 60,
timeFrame: 120000,
}
}
function getKeys (obj, vals) {
let keys = {}
for (let key in obj) {
if (key === 'rtmp') {
keys['rtmp.url'] = 'rtmp://' + vals.rtmp.host + vals.rtmp.mount
keys['rtmp.key'] = vals.rtmp.key
} else if (typeof vals[key] == 'object') {
let ks = getKeys(defvals[key], vals[key])
for (let i in ks) {
keys[key + '.' + i] = ks[i]
}
} else {
keys[key] = vals[key]
}
}
return keys
}
class Config {
constructor () {
for (let k in defvals) {
this[k] = defvals[k]
}
}
writeDefault () {
fs.writeFile(configFile, JSON.stringify(defvals, null, 2)).catch((err) => {
console.error(err.stack)
process.exit(1)
})
}
async read () {
try {
await fs.stat(configFile)
} catch (e) {
return this.writeDefault()
}
let conf = await fs.readFile(configFile, 'utf-8')
let json = JSON.parse(conf)
let obj = Object.assign({}, defvals, json)
for (let k in obj) {
this[k] = obj[k]
}
}
async liq () {
await this.read()
return JSON.stringify(getKeys(defvals, this))
}
}
module.exports = new Config()

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// Readline
const readline = require('readline')
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout
})
// Logging
function pz (z) {
if (z < 10) {
return '0' + z
}
return z
}
function dateFormat (date) {
return date.getDate() + '/' + (date.getMonth() + 1) + '/' + date.getFullYear() + ' ' +
pz(date.getHours()) + ':' + pz(date.getMinutes()) + ':' + pz(date.getSeconds())
}
const realConsoleLog = console.log
console.log = function () {
rl.output.write('\x1b[2K\r')
rl.output.write('[info] [' + dateFormat(new Date()) + '] ')
realConsoleLog.apply(this, arguments)
rl && rl.prompt(true)
}
const realConsoleWarn = console.warn
console.warn = function () {
rl.output.write('\x1b[2K\r')
rl.output.write('[warn] [' + dateFormat(new Date()) + '] ')
realConsoleWarn.apply(this, arguments)
rl && rl.prompt(true)
}
const realConsoleError = console.error
console.error = function () {
rl.output.write('\x1b[2K\r')
rl.output.write('[ err] [' + dateFormat(new Date()) + '] ')
realConsoleError.apply(this, arguments)
rl && rl.prompt(true)
}
module.exports = { realConsoleLog, realConsoleWarn, realConsoleError, rl }

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const path = require('path')
const config = require(path.join(__dirname, 'config.js'))
const Liquidsoap = require(path.join(__dirname, 'liquidsoap.js'))
const Scheduler = require(path.join(__dirname, 'schedule.js'))
const rl = require(path.join(__dirname, 'console.js')).rl
let liq = new Liquidsoap()
liq.start()
let scheduler = new Scheduler(config.calendar)
scheduler.startTimers()
scheduler.runner = function (event) {
liq.queue(event.descriptor)
}
// User input handler
rl.on('line', function (line) {
let argv = line.split(' ')
switch (argv[0]) {
case 'stop':
console.log('Stopping liquidsoap..')
liq.stop()
break
case 'start':
if (liq.running) return
console.log('Starting liquidsoap..')
liq.start()
break
case 'restart':
console.log('Restarting liquidsoap..')
liq.stop()
setTimeout(() => liq.start(), 4000)
break
case 'queue':
let qline = line.substring(6)
liq.queue(qline)
break
case 'skip':
liq.skip()
break
case 'status':
console.log(liq.running ? 'Liquidsoap is running' : 'Liquidsoap is stopped')
break
case 'events':
console.log('Refreshing scheduler..')
scheduler.calendarFetch().catch((e) => console.error('Calendar fetch failed!', e.stack))
break
default:
console.log('Unknown command.')
}
rl.prompt(true)
})
rl.on('close', function () {
scheduler.stopTimers()
if (liq.running) {
liq.stop()
console.log('Waiting for liquidsoap to exit')
setTimeout(function () {
if (liq.running) {
console.warn('Liquidsoap did not exit in time, forcing..')
liq.proc.kill(9)
}
process.stdout.write('\n')
process.exit(0)
}, 1000)
return
}
console.log('Bye bye!')
process.stdout.write('\n')
process.exit(0)
})

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// Liquidsoap class
const path = require('path')
const net = require('net')
const spawn = require('child_process').spawn
const config = require(path.join(__dirname, 'config.js'))
const rootpath = path.join(__dirname, '..')
const csl = require(path.join(__dirname, 'console.js'))
function printProcessOutput (fn) {
return function (data) {
let str = data.toString().trim()
csl.rl.output.write('\x1b[2K\r')
fn.call(null, str)
csl.rl && csl.rl.prompt(true)
}
}
class Liquidsoap {
constructor () {
this.running = false
}
start () {
let pd = path.parse(config.liquidsoap.entry)
let proc = this.proc = spawn('liquidsoap', [pd.base], {cwd: path.join(rootpath, pd.dir)})
this.running = true
proc.stdout.on('data', printProcessOutput(csl.realConsoleLog))
proc.stderr.on('data', printProcessOutput(csl.realConsoleError))
proc.on('close', () => {
this.running = false
})
}
stop () {
if (this.running && this.proc) {
this.proc.kill()
}
}
async sendCommand (msg) {
if (!this.running) throw new Error('Process is not running.')
let client = net.connect(config.control.port, config.control.host)
return new Promise((resolve, reject) => {
client.once('connect', function () {
let split = msg.split('\n')
for (let i in split) {
client.write(split[i] + '\r\n')
}
client.write('quit\r\n')
client.end()
resolve()
})
})
}
queue (item) {
if (typeof item !== 'object') item = [item]
let q = []
for (let i in item) {
q.push('queue.push smart:' + item[i])
}
this.sendCommand(q.join('\n')).catch((e) => console.error('Failed to queue:', e.message))
}
skip () {
this.sendCommand('skip').catch((e) => console.error('Failed to skip:', e.message))
}
}
module.exports = Liquidsoap

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const url = require('url')
const qs = require('querystring')
function HTTP_GET (link, headers = {}, lback) {
if (lback && lback >= 4) throw new Error('infinite loop!') // Prevent infinite loop requests
let parsed = url.parse(link)
let opts = {
host: parsed.hostname,
port: parsed.port,
path: parsed.path,
headers: {
'User-Agent': 'icytv/1.0.0',
'Accept': '*/*',
'Accept-Language': 'en-GB,en;q=0.5'
}
}
if (headers) {
opts.headers = Object.assign(opts.headers, headers)
}
let reqTimeOut
let httpModule = parsed.protocol === 'https:' ? require('https') : require('http')
return new Promise((resolve, reject) => {
let req = httpModule.get(opts, (res) => {
if (res.statusCode === 302 || res.statusCode === 301) {
if (!lback) {
lback = 1
} else {
lback += 1
}
return HTTP_GET(res.headers.location, headers, lback).then(resolve, reject)
}
let data = ''
reqTimeOut = setTimeout(() => {
req.abort()
data = null
reject(new Error('Request took too long!'))
}, 5000)
res.on('data', (chunk) => {
data += chunk
})
res.on('end', () => {
clearTimeout(reqTimeOut)
resolve(data)
})
}).on('error', (e) => {
reject(new Error(e.message))
})
req.setTimeout(10000)
})
}
function HTTP_POST (link, headers = {}, data) {
let parsed = url.parse(link)
let postData = qs.stringify(data)
let opts = {
host: parsed.host,
port: parsed.port,
path: parsed.path,
method: 'POST',
headers: {
'Content-Type': 'application/x-www-form-urlencoded',
'Content-Length': Buffer.byteLength(postData),
'User-Agent': 'Squeebot/Commons-2.0.0'
}
}
if (headers) {
opts.headers = Object.assign(opts.headers, headers)
}
if (opts.headers['Content-Type'] === 'application/json') {
postData = JSON.stringify(data)
}
return new Promise((resolve, reject) => {
let httpModule = parsed.protocol === 'https:' ? require('https') : require('http')
let req = httpModule.request(opts, (res) => {
res.setEncoding('utf8')
let data = ''
res.on('data', (chunk) => {
data += chunk
})
res.on('end', () => {
resolve(data)
})
}).on('error', (e) => {
reject(new Error(e))
})
req.write(postData)
req.end()
})
}
module.exports = { GET: HTTP_GET, POST: HTTP_POST }

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const fs = require('fs')
const path = require('path')
const c = require('canvas')
const config = require(path.join(__dirname, 'config.js'))
const request = require(path.join(__dirname, 'request.js'))
function pz (z) {
if (z < 10) {
return '0' + z
}
return z
}
function dateFormat (date, yr) {
return (yr ? (date.getDate() + '/' + (date.getMonth() + 1) + '/' + date.getFullYear() + ' ') : '') +
pz(date.getHours()) + ':' + pz(date.getMinutes())
}
class Drawer {
constructor (w, h) {
this.canvas = c.createCanvas(w, h)
this.ctx = this.canvas.getContext('2d')
}
draw (cal) {
let ctx = this.ctx
ctx.clearRect(0, 0, this.canvas.width, this.canvas.height)
ctx.fillStyle = 'rgba(0,126,255,0.8)'
ctx.fillRect(5, 5, this.canvas.width - 10, this.canvas.height - 10)
let added = 0
for (let i in cal.events) {
let ev = cal.events[i]
if (i > 5) break // Can't fit so many on here :P
if (ev.eventStartTime < Date.now() || ev.eventEndTime < Date.now()) continue
ctx.fillStyle = '#fff'
let y = (i * 60) + 30
// Write event name
let evn = ev.eventName
if (evn.length > 14) {
evn = evn.substring(0, 14) + '…'
}
ctx.font = '26px sans-serif'
ctx.fillText(evn, 10, y)
// Write event description
ctx.font = '16px sans-serif'
ctx.fillText(ev.description, 10, y + 20)
// Write event time
let time = dateFormat(ev.eventStartTime)
ctx.font = '26px sans-serif'
let tlen = ctx.measureText(time).width
ctx.fillText(time, (this.canvas.width - 10) - tlen, y)
// Draw line under text
ctx.strokeStyle = 'rgba(0,0,0,0.5)'
ctx.beginPath()
ctx.lineTo(10, y + 20 + 12)
ctx.lineTo(this.canvas.width - 10, y + 20 + 12)
ctx.stroke()
added++
}
if (added === 0) {
ctx.fillStyle = '#fff'
ctx.font = '26px sans-serif'
ctx.fillText('No events scheduled.', 10, 35)
}
this.toFile()
}
toFile () {
const out = fs.createWriteStream(path.join(process.env.PWD, 'liq', 'schedule.png'))
const stream = this.canvas.createPNGStream()
stream.pipe(out)
return new Promise((resolve, reject) => {
out.on('finish', resolve)
out.on('error', reject)
})
}
}
class Calendar {
constructor (conf) {
this.events = []
this.config = conf
this.drawer = new Drawer(300, 400)
this.schedRunner = null
this.started = []
this.timers = { a: null, b: null, c: null }
}
startTimers () {
// Initial run
this.calendarFetch().then(
(e) => this.drawer.draw(this),
(e) => console.error('Calendar fetch failed!', e.stack)
)
// Set timers
this.timers = {
a: setInterval(() => this.calendarFetch().catch((e) => console.error('Calendar fetch failed!', e.stack)), this.config.interval * 1000),
b: setInterval(() => this.runners(), 60 * 1000),
c: setInterval(() => this.drawer.draw(this), 120 * 1000)
}
}
stopTimers () {
clearInterval(this.timers.a)
clearInterval(this.timers.b)
clearInterval(this.timers.c)
}
static sortStartTime (a, b) {
return a.eventStartTime - b.eventEndTime
}
static prettifyEvent (item) {
let ev = {
id: item.id,
htmlLink: item.htmlLink,
created: new Date(item.created),
updated: new Date(item.updated),
title: item.summary.replace(/\n/g, ' '),
location: item.location,
description: (item.description || '').replace(/\n/g, ' '),
start: new Date(item.start.dateTime || item.start.date),
end: new Date(item.end.dateTime || item.end.date),
sequence: item.sequence
}
ev.length = (ev.end.getTime() - ev.start.getTime()) / 1000
return ev
}
async calendarFetch () {
const timeFrame = this.config.timeFrame
const cUrl = this.config.calendar
const apiKey = this.config.googleKey
let now = Date.now()
let url = 'https://www.googleapis.com/calendar/v3/calendars/' + encodeURIComponent(cUrl) + '/events?key=' + apiKey +
'&timeMin=' + (new Date(now - 10 * 60 * 1000).toISOString()) +
'&timeMax=' + (new Date(now + timeFrame * 1000).toISOString()) + '&singleEvents=true'
let data = await request.GET(url)
data = JSON.parse(data)
now = Date.now()
if (!data.items) return
let results = []
for (let i = 0; i < data.items.length; i++) {
let item = Calendar.prettifyEvent(data.items[i])
if (now < item.end.getTime()) {
let desc = item.description
let scr = null
if (desc.indexOf('$:') !== -1) {
let a = desc.split('$:')
desc = a[0].trim()
scr = a[1].trim()
}
results.push({
id: item.id,
eventName: item.title,
eventStartTime: item.start,
eventEndTime: item.end,
description: desc,
descriptor: scr
})
}
}
console.log(`[schedule] Calendar fetched successfully!`)
this.events = results.sort(Calendar.sortStartTime)
}
set runner (runner) {
this.schedRunner = runner
}
runners () {
if (!this.schedRunner) return
for (let i in this.events) {
let ev = this.events[i]
if (!ev.descriptor) continue
if (ev.eventStartTime < Date.now() && ev.eventEndTime > Date.now()) {
if (this.started.indexOf(ev.id) !== -1) continue
console.log(`[schedule] Starting event ${ev.eventName}..`)
this.started.push(ev.id)
this.schedRunner.call(this, ev)
}
}
}
}
module.exports = Calendar

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#!/usr/bin/env node
const path = require('path')
const config = require(path.join(__dirname, 'control', 'config.js'))
const env = 'development'
// Config grabber
for (let i in process.argv) {
let arg = process.argv[i]
if (arg === '-c') {
config.liq().then(
(dat) => console.log(dat),
(err) => {
console.error(err.stack)
process.exit(1)
}
)
return
} else if (arg === '-p') {
env = 'production'
break
}
}
// Application starter
process.env.NODE_ENV = env
config.read().then(
(c) => require(path.join(__dirname, 'control')),
(e) => console.error(e.stack)
)

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/schedule.png

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confsrc = get_process_output("node --no-warnings ../index -c")
config = of_json(default=[("error", "json")], confsrc)
if config["error"] == "json" then
print("Failed to parse config JSON:")
print(confsrc)
shutdown()
end
def confstr(key,default="") =
c = config[key]
if c == "" then
default
else
c
end
end
def confint(key,default=0) = int_of_string(config[key], default=default) end
def conffloat(key,default=0.0) = float_of_string(config[key], default=default) end
def confbool(key,default=false) = bool_of_string(config[key], default=default) end

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# uses an external script to handle anything thrown at it!
def smart_protocol(~rlog,~maxtime,arg)
res = get_process_lines("node scripts/smart "^quote(arg))
print(res)
res
end
add_protocol("smart", smart_protocol)

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# Stream live via RTMP. You need the following Gstreamer plugins: flvmux, rtmpsink, x264enc and a suitable AAC encoder (see @audio_encoder@ params).
# @param ~id Source ID
# @param ~video_bitrate Video bitrate
# @param ~audio_encoder Audio encoder. Can be one of: "fdkaacenc", "voaacenc"
# @param ~audio_bitrate Audio bitrate
# @param ~url Server URL
# @param ~key Secret key
# @param source Source to stream
# @category Source / Output
def output.rtmp.live(~id="",
~video_bitrate=2000,
~audio_encoder="fdkaacenc",
~audio_bitrate=128000,
~url="rtmp://icynet.eu:1935/live",
~key,
source) =
video_pipeline = "videoconvert ! \
x264enc bitrate=#{video_bitrate} byte-stream=false key-int-max=60 bframes=0 aud=true tune=zerolatency ! \
video/x-h264,profile=main ! queue ! mux."
audio_pipeline = "audioconvert ! #{audio_encoder} bitrate=#{audio_bitrate} ! queue ! mux."
pipeline = "flvmux streamable=true name=mux ! rtmpsink location=\"#{url}/#{key}\""
output.gstreamer.audio_video(id=id,video_pipeline=video_pipeline,
audio_pipeline=audio_pipeline,pipeline=pipeline,source)
end

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#!/usr/bin/env node
'use strict'
const net = require('net')
const path = require('path')
let client = net.connect('7004', '127.0.0.1')
client.pipe(process.stdout)
client.once('connect', function () {
if (process.argv[2]) {
client.write('queue.push smart:' + process.argv[2] + '\r\n')
}
client.write('quit\r\n')
client.end()
})

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#!/usr/bin/env node
'use strict'
const url = require('url')
const spawn = require('child_process').spawn
const os = require('os')
let arg = (process.argv[2] || '').trim()
function protocol (arg, handleCb) {
let yt = spawn('youtube-dl', ['--no-playlist', '--playlist-end', 1, '-j', '-f', 'best', arg])
let output = ''
yt.stdout.on('data', function (chunk) {
output += chunk.toString('utf8')
})
yt.on('close', function () {
let data = JSON.parse(output)
delete data.formats
fetchVideo(data, handleCb)
})
}
function fetchVideo (data, cb) {
let tempName = os.tmpdir() + '/tmp.yt.' + data.id + '.mkv'
let ffmpeg = spawn('ffmpeg', ['-hide_banner', '-i', data.url, '-codec:a', 'copy', '-codec:v', 'copy', '-y', tempName])
ffmpeg.stdout.pipe(process.stderr)
ffmpeg.stderr.pipe(process.stderr)
data.filename = data.url
data.filename = tempName
outputVideo(data, cb)
}
function formatter (o) {
if (Array.isArray(o)) {
o.forEach(formatter)
return
}
let list = []
for (let key in o) {
if (o.hasOwnProperty(key) && key !== 'source' && o[key] !== null && o[key] !== undefined) {
list.push(key + '=' + JSON.stringify(o[key]))
}
}
let out = ''
if (list.length > 0) {
out += 'annotate:' + list.join(',') + ':'
}
out += o.source
console.log(out)
}
function outputVideo (video, cb) {
cb({
title: video.title,
artist: video.uploader,
url: video.webpage_url,
art: video.thumbnail,
temporary: true,
source: video.filename
})
}
if (arg.indexOf('youtube.com') !== -1 || arg.indexOf('youtu.be') !== -1) {
protocol(arg, formatter)
} else {
console.log(arg)
}

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# Add a skip function to a source
# when it does not have one
# by default
def add_skip_command(~command,s)
# Register the command:
server.register(
usage=command,
description="Skip the current video in source.",
command,
fun(_) -> begin
print("Skipping...")
source.skip(s)
"OK!"
end
)
end
# Clean-up after video ended
def file_end_cleanup(time, m)
if m["temporary"] == "true" and m["filename"] != "" then
print("rm "^quote(m["filename"]))
system("rm "^quote(m["filename"]))
end
end

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%include "config.liq"
%include "protocols.liq"
%include "rtmp.liq"
%include "utils.liq"
set("server.telnet", true)
set("server.telnet.bind_addr", confstr("control.host", "0.0.0.0"))
set("server.telnet.port", confint("control.port", 7004))
set("frame.video.width",1280)
set("frame.video.height",720)
set("frame.video.samplerate",25)
video_no_queue = single(confstr("liquidsoap.fallback",""), conservative=true)
video_base = video.add_image(
width=300,height=400,
x=900,y=80,
file="schedule.png",
video_no_queue)
queue1 = request.equeue(id="queue", conservative=true, length=60., timeout=1000.)
add_skip_command(command="queue.skip", queue1)
source = fallback([queue1, video_base],track_sensitive=false)
add_skip_command(command="skip", source)
source = on_end(delay=0., file_end_cleanup, source)
output.rtmp.live(
key=confstr("rtmp.key",""),
url=confstr("rtmp.url","rtmp://localhost/live"),
video_bitrate=confint("liquidsoap.bitrate", 2000),
source)

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{
"name": "icytv",
"version": "1.0.0",
"lockfileVersion": 1,
"requires": true,
"dependencies": {
"abbrev": {
"version": "1.1.1",
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package.json Normal file
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@ -0,0 +1,14 @@
{
"name": "icytv",
"version": "1.0.0",
"description": "Liquidsoap WebTV Channel",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "Evert \"Diamond\" Prants <evert@lunasqu.ee>",
"license": "MIT",
"dependencies": {
"canvas": "^2.2.0"
}
}