From acf66945c38bad5dbdb734763320a80116170a24 Mon Sep 17 00:00:00 2001
From: vapormusic <vietanhfat@gmail.com>
Date: Thu, 30 Dec 2021 13:42:23 +0700
Subject: [PATCH] 'Spatialization'

i repeat this aint Atmos
---
 index.js                              |  1 +
 src/renderer/audio/audio.js           | 38 ++++++++++++++++++++++++++-
 src/renderer/views/main.ejs           |  1 +
 src/renderer/views/pages/settings.ejs | 19 +++++++++++++-
 4 files changed, 57 insertions(+), 2 deletions(-)

diff --git a/index.js b/index.js
index ffe470e0..5abb3eb4 100644
--- a/index.js
+++ b/index.js
@@ -23,6 +23,7 @@ const configSchema = {
         "quality": "990",
         "seamless_audio": true,
         "normalization": false,
+        "spatial" : false,
     },
     "visual": {
         "theme": "",
diff --git a/src/renderer/audio/audio.js b/src/renderer/audio/audio.js
index cffb98a6..1c8f8bf1 100644
--- a/src/renderer/audio/audio.js
+++ b/src/renderer/audio/audio.js
@@ -3,7 +3,8 @@ var CiderAudio = {
     source : null,
     audioNodes : {
         gainNode : null,
-        compressorNode : null,
+        spatialNode : null,
+        spatialInput: null,
     },
     init: function (cb = function () { }) {
         //AudioOutputs.fInit = true;
@@ -21,6 +22,7 @@ var CiderAudio = {
     off: function(){
         try{
         CiderAudio.audioNodes.gainNode.disconnect();
+        CiderAudio.audioNodes.spatialNode.disconnect();
         CiderAudio.source.connect(CiderAudio.context.destination);} catch(e){}
     },
     connectContext: function (mediaElem){
@@ -37,10 +39,44 @@ var CiderAudio = {
         if(app.cfg.audio.normalization){
             CiderAudio.normalizerOn()
         }
+        if (app.cfg.audio.spatial){
+            CiderAudio.spatialOn()
+        }    
     },
     normalizerOn: function (){},
     normalizerOff: function (){
         CiderAudio.audioNodes.gainNode.gain.setTargetAtTime(1, CiderAudio.context.currentTime+ 1, 0.5);
+    },
+    spatialOn: function (){
+        try{
+        CiderAudio.audioNodes.gainNode.connect(CiderAudio.context.destination);} catch(e){}
+        CiderAudio.audioNodes.spatialNode = new ResonanceAudio(CiderAudio.context);
+        CiderAudio.audioNodes.spatialNode.output.connect(CiderAudio.context.destination);
+        let roomDimensions = {
+            width: 5,
+            height: 6,
+            depth: 4,
+        };
+        let roomMaterials = {
+            // Room wall materials
+            left: 'acoustic-ceiling-tiles',
+            right: 'acoustic-ceiling-tiles',
+            front: 'glass-thin',
+            back: 'plywood-panel',
+            // Room floor
+            down: 'grass',
+            // Room ceiling
+            up: 'acoustic-ceiling-tiles',
+        };
+        CiderAudio.audioNodes.spatialNode.setRoomProperties(roomDimensions, roomMaterials);
+        CiderAudio.audioNodes.spatialInput = CiderAudio.audioNodes.spatialNode.createSource();
+        CiderAudio.audioNodes.gainNode.connect(CiderAudio.audioNodes.spatialInput.input);
+    },
+    spatialOff: function (){
+        try{
+        CiderAudio.audioNodes.spatialNode.output.disconnect(CiderAudio.context.destination);
+        CiderAudio.audioNodes.gainNode.disconnect(CiderAudio.audioNodes.spatialInput.input);} catch(e){}
+        CiderAudio.audioNodes.gainNode.connect(CiderAudio.context.destination);
     }
 
 }
diff --git a/src/renderer/views/main.ejs b/src/renderer/views/main.ejs
index eebe525f..89c1d80f 100644
--- a/src/renderer/views/main.ejs
+++ b/src/renderer/views/main.ejs
@@ -594,6 +594,7 @@
     }
 </script>
 <script src="index.js?v=1"></script>
+<script src="https://cdn.jsdelivr.net/npm/resonance-audio/build/resonance-audio.min.js"></script>
 <script src="/audio/audio.js?v=1"></script>
 </body>
 </html>
\ No newline at end of file
diff --git a/src/renderer/views/pages/settings.ejs b/src/renderer/views/pages/settings.ejs
index dcf49aad..66f6d3af 100644
--- a/src/renderer/views/pages/settings.ejs
+++ b/src/renderer/views/pages/settings.ejs
@@ -27,7 +27,7 @@
             </div>
             <div class="md-option-line">
                 <div class="md-option-segment">
-                    Enable AudioContext Functionality
+                    Enable Advanced Functionality
                     <br>
                     <small>Enabling AudioContext functionality will allow for extended audio features like Audio Normalization , Equalizers and Visualizers, however on some systems this may cause stuttering in audio tracks.</small>
                 </div>
@@ -43,6 +43,16 @@
                     <input type="checkbox" v-model="app.cfg.audio.normalization"  v-on:change="toggleNormalization" switch/>
                 </div>
             </div>
+            <div class="md-option-line" v-show="app.cfg.advanced.AudioContext">
+                <div class="md-option-segment" >
+                Audio Spatialization
+                <br>
+                <small>Spatialize audio and make audio more 3-dimensional (note: This is not Dolby Atmos)</small>
+                </div>
+                <div class="md-option-segment md-option-segment_auto">
+                    <input type="checkbox" v-model="app.cfg.audio.spatial" v-on:change="toggleSpatial" switch/>
+                </div>
+            </div>
             <div class="md-option-header">
                 <span>Visual</span>
             </div>
@@ -560,6 +570,8 @@
                     CiderAudio.init();
                     if (app.cfg.audio.normalization){
                     CiderAudio.normalizerOn()}
+                    if (app.cfg.audio.spatial){
+                    CiderAudio.spatialOn()} 
                 } else {
                     CiderAudio.off();
                 }
@@ -569,6 +581,11 @@
                     CiderAudio.normalizerOn()
                 } else {CiderAudio.normalizerOff()}
             },
+            toggleSpatial : function(){
+                if (app.cfg.audio.spatial){
+                    CiderAudio.spatialOn()
+                } else {CiderAudio.spatialOff()}
+            },
             changeAudioQuality : function(){
                 app.mk.bitrate = app.cfg.audio.quality
             }