Fix schedule image reload, more config options

control/config.js

@@ -4,8 +4,8 @@ const configFile = path.join(__dirname, '..', 'config.json')
 
 const defvals = {
   api: {
-    host:  '0.0.0.0',
-    port:  7005,
+    host: '0.0.0.0',
+    port: 7005,
     mount: '/api'
   },
   rtmp: {
@@ -19,14 +19,26 @@ const defvals = {
   },
   liquidsoap: {
     fallback: '',
-    bitrate: 2000,
-    entry: 'liq/view.liq'
+    entry: 'liq/view.liq',
+    output: {
+      bitrate: 2000,
+      width: 1280,
+      height: 720,
+      samplerate: 25
+    }
   },
   calendar: {
     googleKey: '',
     calendar: '',
     interval: 60,
     timeFrame: 120000,
+    schedule: {
+      width: 300,
+      height: 400,
+      background: 'rgba(0,126,255,0.8)',
+      font: 'sans-serif',
+      fontColor: '#fff'
+    }
   }
 }
 
@@ -34,10 +46,13 @@ function getKeys (obj, vals) {
   let keys = {}
 
   for (let key in obj) {
-    if (key === 'rtmp') {
+    if (key === 'calendar') {
+      keys['calendar.width'] = vals.calendar.schedule.width
+      keys['calendar.height'] = vals.calendar.schedule.height
+    } else 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') {
+    } else if (typeof vals[key] === 'object') {
       let ks = getKeys(defvals[key], vals[key])
       for (let i in ks) {
         keys[key + '.' + i] = ks[i]

control/index.js

@@ -9,10 +9,15 @@ liq.start()
 
 let scheduler = new Scheduler(config.calendar)
 scheduler.startTimers()
+
 scheduler.runner = function (event) {
   liq.queue(event.descriptor)
 }
 
+scheduler.reload = function (calendar) {
+  liq.sendCommand('schedule.reload').catch((e) => console.error('Failed to reload schedule:', e.message))
+}
+
 // User input handler
 rl.on('line', function (line) {
   let argv = line.split(' ')
@@ -46,6 +51,19 @@ rl.on('line', function (line) {
       console.log('Refreshing scheduler..')
       scheduler.calendarFetch().catch((e) => console.error('Calendar fetch failed!', e.stack))
       break
+    case 'reload':
+      console.log('Reloading configuration..')
+      config.read().then(
+        () => {
+          console.log('Configuration reloaded successfully.')
+
+          // Restart scheduler
+          scheduler.stopTimers()
+          scheduler.startTimers()
+        },
+        (e) => console.error('Configuration reload failed:', e.stack)
+      )
+      break
     default:
       console.log('Unknown command.')
   }

control/liquidsoap.js

@@ -62,7 +62,7 @@ class Liquidsoap {
 
   queue (item) {
     if (typeof item !== 'object') item = [item]
-   
+
     let q = []
     for (let i in item) {
       q.push('queue.push smart:' + item[i])

control/schedule.js

@@ -18,16 +18,19 @@ function dateFormat (date, yr) {
 }
 
 class Drawer {
-  constructor (w, h) {
-    this.canvas = c.createCanvas(w, h)
+  constructor () {
+    this.canvas = c.createCanvas(config.calendar.schedule.width, config.calendar.schedule.height)
     this.ctx = this.canvas.getContext('2d')
   }
 
-  draw (cal) {
+  async draw (cal) {
     let ctx = this.ctx
+    let font = config.calendar.schedule.font
+    let fontColor = config.calendar.schedule.fontColor
+
     ctx.clearRect(0, 0, this.canvas.width, this.canvas.height)
 
-    ctx.fillStyle = 'rgba(0,126,255,0.8)'
+    ctx.fillStyle = config.calendar.schedule.background
     ctx.fillRect(5, 5, this.canvas.width - 10, this.canvas.height - 10)
 
     let added = 0
@@ -38,7 +41,7 @@ class Drawer {
       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'
+      ctx.fillStyle = fontColor
       let y = (i * 60) + 30
 
       // Write event name
@@ -47,16 +50,16 @@ class Drawer {
         evn = evn.substring(0, 14) + '…'
       }
 
-      ctx.font = '26px sans-serif'
+      ctx.font = '26px ' + font
       ctx.fillText(evn, 10, y)
 
       // Write event description
-      ctx.font = '16px sans-serif'
+      ctx.font = '16px ' + font
       ctx.fillText(ev.description, 10, y + 20)
 
       // Write event time
       let time = dateFormat(ev.eventStartTime)
-      ctx.font = '26px sans-serif'
+      ctx.font = '26px ' + font
       let tlen = ctx.measureText(time).width
       ctx.fillText(time, (this.canvas.width - 10) - tlen, y)
 
@@ -70,12 +73,12 @@ class Drawer {
     }
 
     if (added === 0) {
-      ctx.fillStyle = '#fff'
-      ctx.font = '26px sans-serif'
+      ctx.fillStyle = fontColor
+      ctx.font = '26px ' + font
       ctx.fillText('No events scheduled.', 10, 35)
     }
 
-    this.toFile()
+    await this.toFile()
   }
 
   toFile () {
@@ -96,17 +99,26 @@ class Calendar {
 
     this.config = conf
 
-    this.drawer = new Drawer(300, 400)
+    this.drawer = new Drawer()
     this.schedRunner = null
+    this.schedReload = null
 
     this.started = []
     this.timers = { a: null, b: null, c: null }
   }
 
+  update () {
+    this.drawer.draw(this).then(() => {
+      setTimeout(() => {
+        this.schedReload && this.schedReload.call(this, this)
+      }, 1000)
+    })
+  }
+
   startTimers () {
     // Initial run
     this.calendarFetch().then(
-      (e) => this.drawer.draw(this),
+      (e) => this.update(),
       (e) => console.error('Calendar fetch failed!', e.stack)
     )
 
@@ -114,7 +126,7 @@ class Calendar {
     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)
+      c: setInterval(() => this.update(), 120 * 1000)
     }
   }
 
@@ -198,6 +210,10 @@ class Calendar {
     this.schedRunner = runner
   }
 
+  set reload (reload) {
+    this.schedReload = reload
+  }
+
   runners () {
     if (!this.schedRunner) return
     for (let i in this.events) {

liq/view.liq

@@ -8,16 +8,17 @@ 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)
+set("frame.video.width",confint("liquidsoap.output.width", 1280))
+set("frame.video.height",confint("liquidsoap.output.height", 720))
+set("frame.video.samplerate",confint("liquidsoap.output.samplerate", 25))
 
 video_no_queue = single(confstr("liquidsoap.fallback",""), conservative=true)
 video_base = video.add_image(
-   width=300,height=400,
+   width=confint("calendar.width", 300),height=confint("calendar.height", 400),
    x=900,y=80,
    file="schedule.png",
    video_no_queue)
+add_skip_command(command="schedule.reload", video_base)
 
 queue1 = request.equeue(id="queue", conservative=true, length=60., timeout=1000.)
 add_skip_command(command="queue.skip", queue1)
@@ -30,5 +31,5 @@ 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),
+	video_bitrate=confint("liquidsoap.output.bitrate", 2000),
 	source)