Wire up google drive subtitles

NEWS.md

@@ -1,3 +1,11 @@
+2015-07-25
+==========
+
+  * CyTube now supports subtitles for Google Drive videos.  In order to take
+    advantage of this, you must upgrade mediaquery by running `npm install
+    cytube/mediaquery`.  Subtitles are cached in the google-drive-subtitles
+    folder.
+
 2015-07-07
 ==========
 

lib/google2vtt.js

@@ -17,6 +17,8 @@ function md5(input) {
 
 var slice = Array.prototype.slice;
 var subtitleDir = path.resolve(__dirname, '..', 'google-drive-subtitles');
+var ONE_HOUR = 60 * 60 * 1000;
+var ONE_DAY = 24 * ONE_HOUR;
 
 function padZeros(n) {
     n = n.toString();
@@ -129,6 +131,7 @@ function fetchSubtitles(id, lang, name, vid, file, cb) {
                 if (err) {
                     cb(err);
                 } else {
+                    Logger.syslog.log('Saved subtitle file ' + file);
                     cb();
                 }
             });
@@ -137,3 +140,29 @@ function fetchSubtitles(id, lang, name, vid, file, cb) {
         cb(err);
     });
 }
+
+function clearOldSubtitles() {
+    fs.readdir(subtitleDir, function (err, files) {
+        if (err) {
+            Logger.errlog.log(err.stack);
+            return;
+        }
+
+        files.forEach(function (file) {
+            fs.stat(path.join(subtitleDir, file), function (err, stats) {
+                if (err) {
+                    Logger.errlog.log(err.stack);
+                    return;
+                }
+
+                if (stats.mtime.getTime() < Date.now() - ONE_DAY) {
+                    Logger.syslog.log('Deleting old subtitle file: ' + file);
+                    fs.unlink(path.join(subtitleDir, file));
+                }
+            });
+        });
+    });
+}
+
+setInterval(clearOldSubtitles, ONE_HOUR);
+clearOldSubtitles();

lib/media.js

@@ -37,7 +37,8 @@ Media.prototype = {
                 codec: this.meta.codec,
                 bitrate: this.meta.bitrate,
                 scuri: this.meta.scuri,
-                embed: this.meta.embed
+                embed: this.meta.embed,
+                gdrive_subtitles: this.meta.gdrive_subtitles
             }
         };
     },

package.json

@@ -2,7 +2,7 @@
   "author": "Calvin Montgomery",
   "name": "CyTube",
   "description": "Online media synchronizer and chat",
-  "version": "3.8.2",
+  "version": "3.9.0",
   "repository": {
     "url": "http://github.com/calzoneman/sync"
   },

player/videojs.coffee

@@ -66,6 +66,17 @@ window.VideoJSPlayer = class VideoJSPlayer extends Player
                 ).appendTo(video)
             )
 
+            if data.meta.gdrive_subtitles
+                data.meta.gdrive_subtitles.available.forEach((subt) ->
+                    $('<track/>').attr(
+                        src: "/gdvtt/#{data.id}/#{subt.lang}/#{subt.name}.vtt?\
+                                vid=#{data.meta.gdrive_subtitles.vid}"
+                        kind: 'subtitles'
+                        srclang: subt.lang
+                        label: subt.name
+                    ).appendTo(video)
+                )
+
             @player = videojs(video[0], autoplay: true, controls: true)
             @player.ready(=>
                 @setVolume(VOLUME)

www/js/player.js

@@ -524,6 +524,16 @@
               'data-quality': source.quality
             }).appendTo(video);
           });
+          if (data.meta.gdrive_subtitles) {
+            data.meta.gdrive_subtitles.available.forEach(function(subt) {
+              return $('<track/>').attr({
+                src: "/gdvtt/" + data.id + "/" + subt.lang + "/" + subt.name + ".vtt?vid=" + data.meta.gdrive_subtitles.vid,
+                kind: 'subtitles',
+                srclang: subt.lang,
+                label: subt.name
+              }).appendTo(video);
+            });
+          }
           _this.player = videojs(video[0], {
             autoplay: true,
             controls: true