add DLNA support

package.json

@@ -19,6 +19,7 @@
     "application-config-path": "^0.1.0",
     "chromecasts": "^1.8.0",
     "create-torrent": "^3.22.1",
+    "dlnacasts": "^0.0.1",
     "drag-drop": "^2.11.0",
     "electron-localshortcut": "^0.6.0",
     "electron-prebuilt": "0.37.3",

renderer/index.css

@@ -668,8 +668,7 @@ body.drag .app::after {
   margin: 0 auto;
 }
 
-.player-controls .chromecast,
+.player-controls .device,
-.player-controls .airplay,
 .player-controls .fullscreen,
 .player-controls .back {
   display: block;
@@ -682,8 +681,7 @@ body.drag .app::after {
   float: left;
 }
 
-.player-controls .chromecast,
+.player-controls .device,
-.player-controls .airplay,
 .player-controls .fullscreen {
   float: right;
 }
@@ -692,14 +690,12 @@ body.drag .app::after {
   margin-right: 15px;
 }
 
-.player-controls .chromecast,
+.player-controls .device {
-.player-controls .airplay {
   font-size: 18px; /* make the cast icons less huge */
   margin-top: 8px !important;
 }
 
-.player-controls .chromecast.active,
+.player-controls .device.active {
-.player-controls .airplay.active {
   color: #9af;
 }
 

renderer/index.js

@@ -246,11 +246,8 @@ function dispatch (action, ...args) {
   if (action === 'openTorrentContextMenu') {
     openTorrentContextMenu(args[0] /* infoHash */)
   }
-  if (action === 'openChromecast') {
+  if (action === 'open') {
-    lazyLoadCast().open('chromecast')
+    lazyLoadCast().open(args[0] /* deviceType */)
-  }
-  if (action === 'openAirplay') {
-    lazyLoadCast().open('airplay')
   }
   if (action === 'stopCasting') {
     lazyLoadCast().stopCasting()

renderer/lib/cast.js

@@ -1,5 +1,6 @@
 var chromecasts = require('chromecasts')()
 var airplay = require('airplay-js')
+var dlnacasts = require('dlnacasts')()
 
 var config = require('../../config')
 var state = require('../state')
@@ -37,7 +38,7 @@ function chromecastPlayer (player) {
     var torrentSummary = state.saved.torrents.find((x) => x.infoHash === state.playing.infoHash)
     player.play(state.server.networkURL, {
       type: 'video/mp4',
-      title: config.APP_NAME + ' — ' + torrentSummary.name
+      title: config.APP_NAME + ' - ' + torrentSummary.name
     }, function (err) {
       if (err) {
         state.playing.location = 'local'
@@ -147,6 +148,79 @@ function airplayPlayer (player) {
   }
 }
 
+// DLNA player implementation
+function dlnaPlayer (player) {
+  function addEvents () {
+    player.on('error', function (err) {
+      player.errorMessage = err.message
+      update()
+    })
+    player.on('disconnect', function () {
+      state.playing.location = 'local'
+      update()
+    })
+  }
+
+  function open () {
+    var torrentSummary = state.saved.torrents.find((x) => x.infoHash === state.playing.infoHash)
+    player.play(state.server.networkURL, {
+      type: 'video/mp4',
+      title: config.APP_NAME + ' - ' + torrentSummary.name,
+      seek: state.playing.currentTime | 0
+    }, function (err) {
+      if (err) {
+        state.playing.location = 'local'
+      } else {
+        state.playing.location = 'dlna'
+      }
+      update()
+    })
+  }
+
+  function playPause (callback) {
+    if (!state.playing.isPaused) player.pause(callback)
+    else player.play(null, null, callback)
+  }
+
+  function stop (callback) {
+    player.stop(callback)
+  }
+
+  function status (state) {
+    player.status(function (err, status) {
+      if (err) return console.log('error getting %s status: %o', state.playing.location, err)
+      state.playing.isPaused = status.playerState === 'PAUSED'
+      state.playing.currentTime = status.currentTime
+      state.playing.volume = status.volume.level
+      update()
+    })
+  }
+
+  function seek (time, callback) {
+    player.seek(time, callback)
+  }
+
+  function volume (volume, callback) {
+    player.volume(volume, function (err) {
+      // quick volume update
+      state.playing.volume = volume
+      callback(err)
+    })
+  }
+
+  addEvents()
+
+  return {
+    player: player,
+    open: open,
+    playPause: playPause,
+    stop: stop,
+    status: status,
+    seek: seek,
+    volume: volume
+  }
+}
+
 // start export functions
 function init (callback) {
   update = callback
@@ -154,11 +228,15 @@ function init (callback) {
   // Start polling Chromecast or Airplay, whenever we're connected
   setInterval(() => pollCastStatus(state), 1000)
 
-  // Listen for devices: Chromecast and Airplay
+  // Listen for devices: Chromecast, DLNA and Airplay
   chromecasts.on('update', function (player) {
     state.devices.chromecast = chromecastPlayer(player)
   })
 
+  dlnacasts.on('update', function (player) {
+    state.devices.dlna = dlnaPlayer(player)
+  })
+
   var browser = airplay.createBrowser()
   browser.on('deviceOn', function (player) {
     state.devices.airplay = airplayPlayer(player)
@@ -207,7 +285,7 @@ function stoppedCasting () {
 // Returns false if we not casting (state.playing.location === 'local')
 // or if we're trying to connect but haven't yet ('chromecast-pending', etc)
 function isCasting () {
-  return state.playing.location === 'chromecast' || state.playing.location === 'airplay'
+  return state.playing.location === 'chromecast' || state.playing.location === 'airplay' || state.playing.location === 'dlna'
 }
 
 function getDevice (location) {
@@ -217,6 +295,8 @@ function getDevice (location) {
     return state.devices.chromecast
   } else if (state.playing.location === 'airplay') {
     return state.devices.airplay
+  } else if (state.playing.location === 'dlna') {
+    return state.devices.dlna
   }
 }
 

renderer/views/player.js

@@ -181,21 +181,22 @@ function renderLoadingSpinner (state) {
 function renderCastScreen (state) {
   var isChromecast = state.playing.location.startsWith('chromecast')
   var isAirplay = state.playing.location.startsWith('airplay')
+  var isDlna = state.playing.location.startsWith('dlna')
   var isStarting = state.playing.location.endsWith('-pending')
-  if (!isChromecast && !isAirplay) throw new Error('Unimplemented cast type')
+  if (!isChromecast && !isAirplay && !isDlna) throw new Error('Unimplemented cast type')
 
   // Show a nice title image, if possible
   var style = {
     backgroundImage: cssBackgroundImagePoster(state)
   }
 
-  // Show whether we're connected to Chromecast / Airplay
+  // Show whether we're connected to Chromecast / Airplay /DLNA
   var castStatus = isStarting ? 'Connecting...' : 'Connected'
   return hx`
     <div class='letterbox' style=${style}>
       <div class='cast-screen'>
         <i class='icon'>${isAirplay ? 'airplay' : 'cast'}</i>
-        <div class='cast-type'>${isAirplay ? 'AirPlay' : 'Chromecast'}</div>
+        <div class='cast-type'>${isAirplay ? 'AirPlay' : (isDlna ? 'DLNA' : 'Chromecast')}</div>
         <div class='cast-status'>${castStatus}</div>
       </div>
     </div>
@@ -247,26 +248,40 @@ function renderPlayerControls (state) {
   // If we've detected a Chromecast or AppleTV, the user can play video there
   var isOnChromecast = state.playing.location.startsWith('chromecast')
   var isOnAirplay = state.playing.location.startsWith('airplay')
-  var chromecastClass, chromecastHandler, airplayClass, airplayHandler
+  var isOnDlna = state.playing.location.startsWith('dlna')
+  var chromecastClass, chromecastHandler, airplayClass, airplayHandler, dlnaClass, dlnaHandler
   if (isOnChromecast) {
     chromecastClass = 'active'
+    dlnaClass = 'disabled'
     airplayClass = 'disabled'
     chromecastHandler = dispatcher('stopCasting')
     airplayHandler = undefined
+    dlnaHandler = undefined
   } else if (isOnAirplay) {
     chromecastClass = 'disabled'
+    dlnaClass = 'disabled'
     airplayClass = 'active'
     chromecastHandler = undefined
     airplayHandler = dispatcher('stopCasting')
+    dlnaHandler = undefined
+  } else if (isOnDlna) {
+    chromecastClass = 'disabled'
+    dlnaClass = 'active'
+    airplayClass = 'disabled'
+    chromecastHandler = undefined
+    airplayHandler = undefined
+    dlnaHandler = dispatcher('stopCasting')
   } else {
     chromecastClass = ''
     airplayClass = ''
-    chromecastHandler = dispatcher('openChromecast')
+    dlnaClass = ''
-    airplayHandler = dispatcher('openAirplay')
+    chromecastHandler = dispatcher('open', 'chromecast')
+    airplayHandler = dispatcher('open', 'airplay')
+    dlnaHandler = dispatcher('open', 'dlna')
   }
   if (state.devices.chromecast || isOnChromecast) {
     elements.push(hx`
-      <i.icon.chromecast
+      <i.icon.device
         class=${chromecastClass}
         onclick=${chromecastHandler}>
         cast
@@ -275,13 +290,22 @@ function renderPlayerControls (state) {
   }
   if (state.devices.airplay || isOnAirplay) {
     elements.push(hx`
-      <i.icon.airplay
+      <i.icon.device
         class=${airplayClass}
         onclick=${airplayHandler}>
         airplay
       </i>
     `)
   }
+  if (state.devices.dlna || isOnDlna) {
+    elements.push(hx`
+      <i.icon.device
+        class=${dlnaClass}
+        onclick=${dlnaHandler}>
+        cast
+      </i>
+    `)
+  }
 
   // On OSX, the back button is in the title bar of the window; see app.js
   // On other platforms, we render one over the video on mouseover