Started work on back-end for synced video playback.

src/app/channel/media/queue.js

@@ -0,0 +1,69 @@
+/*Canopy - The next generation of stoner streaming software
+Copyright (C) 2024-2025 Rainbownapkin and the TTN Community
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU Affero General Public License as
+published by the Free Software Foundation, either version 3 of the
+License, or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU Affero General Public License for more details.
+
+You should have received a copy of the GNU Affero General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.*/
+
+//Local imports
+const queuedMedia = require('./queuedMedia');
+
+module.exports = class{
+    constructor(server, channel){
+        //Set server
+        this.server = server
+        //Set channel
+        this.channel = channel;
+        //Create variable to hold sync delta
+        this.syncDelta = 1000;
+        //Create variable to hold sync timer
+        this.syncTimer = null;
+        //Create variable to hold currently playing media object
+        this.nowPlaying = null;
+        //Create variable to hold current timestamp within the video
+        this.timestamp = 0;
+    }
+
+    queueMedia(inputMedia){
+        //Create new media object, start it now
+        const mediaObj = queuedMedia.fromMedia(inputMedia, new Date().getTime());
+    }
+
+    play(mediaObj){
+        //reset current timestamp
+        this.timestamp = 0;
+
+        //Set current playing media
+        this.nowPlaying = mediaObj;
+
+        //Send play signal out to the channel
+        this.server.io.in(this.channel.name).emit("play", {media: this.nowPlaying});
+
+        //Kick off the sync timer
+        this.syncTimer = setTimeout(this.sync.bind(this), this.syncDelta);
+    }
+
+    sync(){
+        //Send sync signal out to the channel
+        this.server.io.in(this.channel.name).emit("sync", {timestamp: this.timestamp});
+
+        //If the media hasn't finished playing
+        if(this.timeStamp < this.nowPlaying.duration){
+
+            //Increment the time stamp
+            this.timestamp++;
+
+            //Call the sync function in another second
+            this.syncTimer = setTimeout(this.sync.bind(this), this.syncDelta);
+        }
+    }
+}