Merge pull request #2971 from jellyfin/webos-dts-support

Fix webOS DTS audio support

src/scripts/browser.js

@@ -109,6 +109,51 @@ function iOSversion() {
     return [];
 }
 
+function web0sVersion(browser) {
+    // Detect webOS version by web engine version
+
+    if (browser.chrome) {
+        const userAgent = navigator.userAgent.toLowerCase();
+
+        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
+
+            console.warn('Unable to detect webOS version - NetCast');
+
+            return undefined;
+        }
+
+        // The next is only valid for the app
+
+        if (browser.versionMajor >= 79) {
+            return 6;
+        } else if (browser.versionMajor >= 68) {
+            return 5;
+        } else if (browser.versionMajor >= 53) {
+            return 4;
+        } else if (browser.versionMajor >= 38) {
+            return 3;
+        } else if (browser.versionMajor >= 34) {
+            // webOS 2 browser
+            return 2;
+        } else if (browser.versionMajor >= 26) {
+            // webOS 1 browser
+            return 1;
+        }
+    } else if (browser.versionMajor >= 538) {
+        // webOS 2 app
+        return 2;
+    } else if (browser.versionMajor >= 537) {
+        // webOS 1 app
+        return 1;
+    }
+
+    console.error('Unable to detect webOS version');
+
+    return undefined;
+}
+
 let _supportsCssAnimation;
 let _supportsCssAnimationWithPrefix;
 function supportsCssAnimation(allowPrefix) {
@@ -251,14 +296,16 @@ browser.tizen = userAgent.toLowerCase().indexOf('tizen') !== -1 || window.tizen
 browser.web0s = isWeb0s();
 browser.edgeUwp = browser.edge && (userAgent.toLowerCase().indexOf('msapphost') !== -1 || userAgent.toLowerCase().indexOf('webview') !== -1);
 
-if (!browser.tizen) {
+if (browser.web0s) {
-    browser.orsay = userAgent.toLowerCase().indexOf('smarthub') !== -1;
+    browser.web0sVersion = web0sVersion(browser);
-} else {
+} else if (browser.tizen) {
     // UserAgent string contains 'Safari' and 'safari' is set by matched browser, but we only want 'tizen' to be true
     delete browser.safari;
 
     const v = (navigator.appVersion).match(/Tizen (\d+).(\d+)/);
     browser.tizenVersion = parseInt(v[1]);
+} else {
+    browser.orsay = userAgent.toLowerCase().indexOf('smarthub') !== -1;
 }
 
 if (browser.edgeUwp) {

src/scripts/browserDeviceProfile.js

@@ -387,11 +387,14 @@ 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 = options.supportsDts;
+        if (supportsDts == null) {
+            supportsDts = browser.tizen || browser.web0sVersion || videoTestElement.canPlayType('video/mp4; codecs="dts-"').replace(/no/, '') || videoTestElement.canPlayType('video/mp4; codecs="dts+"').replace(/no/, '');
 
-        // DTS audio not supported in 2018 models (Tizen 4.0)
+            // DTS audio is not supported by Samsung TV 2018+ (Tizen 4.0+) and LG TV 2020+ (webOS 5.0+) models
-        if (browser.tizenVersion >= 4) {
+            if (browser.tizenVersion >= 4 || browser.web0sVersion >= 5) {
-            supportsDts = false;
+                supportsDts = false;
+            }
         }
 
         if (supportsDts) {