From 0f4d449545622b38c07f0362aef5c77641b67018 Mon Sep 17 00:00:00 2001
From: Dmitry Lyzo <ashephard0@gmail.com>
Date: Sat, 25 Sep 2021 13:36:55 +0300
Subject: [PATCH] Skip webOS version detection for built-in browser (NetCast)
 as unreliable

---
 src/scripts/browser.js              | 28 ++++++----------------------
 src/scripts/browserDeviceProfile.js |  2 +-
 2 files changed, 7 insertions(+), 23 deletions(-)

diff --git a/src/scripts/browser.js b/src/scripts/browser.js
index d0d9b5a551..af0a72ffe4 100644
--- a/src/scripts/browser.js
+++ b/src/scripts/browser.js
@@ -117,29 +117,14 @@ function web0sVersion(browser) {
 
         if (userAgent.indexOf('netcast') !== -1) {
             // The built-in browser (NetCast) may have a version that doesn't correspond to the actual web engine
+            // Since there is no reliable way to detect webOS version, we return an undefined version
 
-            const match = /smarttv[ /]([\w.]+)/.exec(userAgent);
+            console.warn('Unable to detect webOS version - NetCast');
 
-            if (match?.length > 1) {
-                const version = parseInt(match[1].split('.')[0], 10);
-
-                // FIXME: Add webOS 5 and 6
-
-                if (version >= 10) {
-                    return 4;
-                } else if (version >= 6) {
-                    if (browser.versionMajor >= 38) {
-                        return 3;
-                    } else {
-                        return 2;
-                    }
-                } else if (version >= 5) {
-                    return 1;
-                }
-            }
+            return undefined;
         }
 
-        // The next is only valid for the app, but may also work for the browser of older models
+        // The next is only valid for the app
 
         if (browser.versionMajor >= 79) {
             return 6;
@@ -164,10 +149,9 @@ function web0sVersion(browser) {
         return 1;
     }
 
-    console.error('Unable to detect webOS version - assume 1');
+    console.error('Unable to detect webOS version');
 
-    // Let's assume that we have 1.
-    return 1;
+    return undefined;
 }
 
 let _supportsCssAnimation;
diff --git a/src/scripts/browserDeviceProfile.js b/src/scripts/browserDeviceProfile.js
index a8edd5cfc3..28cc0dcef0 100644
--- a/src/scripts/browserDeviceProfile.js
+++ b/src/scripts/browserDeviceProfile.js
@@ -387,7 +387,7 @@ import browser from './browser';
             videoAudioCodecs.push('mp2');
         }
 
-        let supportsDts = browser.tizen || browser.web0s || options.supportsDts || videoTestElement.canPlayType('video/mp4; codecs="dts-"').replace(/no/, '') || videoTestElement.canPlayType('video/mp4; codecs="dts+"').replace(/no/, '');
+        let supportsDts = browser.tizen || browser.web0sVersion || options.supportsDts || videoTestElement.canPlayType('video/mp4; codecs="dts-"').replace(/no/, '') || videoTestElement.canPlayType('video/mp4; codecs="dts+"').replace(/no/, '');
 
         // DTS audio is not supported by Samsung TV 2018+ (Tizen 4.0+) and LG TV 2020+ (webOS 5.0+) models
         if (browser.tizenVersion >= 4 || browser.web0sVersion >= 5) {