From d08885c295e0c81772992437a81bd5b717066e8b Mon Sep 17 00:00:00 2001
From: Timi Tuohenmaa <8275701+timitt@users.noreply.github.com>
Date: Sat, 29 Mar 2025 13:17:24 +0200
Subject: [PATCH] Enable use of hls.js when LG WebOS 4 or newer is used.

---
 src/components/htmlMediaHelper.js   | 6 ++++++
 src/scripts/browserDeviceProfile.js | 8 ++++++++
 2 files changed, 14 insertions(+)

diff --git a/src/components/htmlMediaHelper.js b/src/components/htmlMediaHelper.js
index f876568ce4d..b2453c35809 100644
--- a/src/components/htmlMediaHelper.js
+++ b/src/components/htmlMediaHelper.js
@@ -48,6 +48,12 @@ export function enableHlsJsPlayer(runTimeTicks, mediaType) {
         return false;
     }
 
+    // Native HLS support in WebOS only plays stereo sound. hls.js works better, but works only on WebOS 4 or newer.
+    // Using hls.js also seems to fix fast forward issues that native HLS has.
+    if (browser.web0sVersion >= 4) {
+        return true;
+    }
+
     // The native players on these devices support seeking live streams, no need to use hls.js here
     if (browser.tizen || browser.web0s) {
         return false;
diff --git a/src/scripts/browserDeviceProfile.js b/src/scripts/browserDeviceProfile.js
index 4370edaeaf9..eeb1551f521 100644
--- a/src/scripts/browserDeviceProfile.js
+++ b/src/scripts/browserDeviceProfile.js
@@ -137,6 +137,14 @@ function supportsEac3(videoTestElement) {
 }
 
 function supportsAc3InHls(videoTestElement) {
+    // We use hls.js on WebOS 4 and newer and hls.js uses Media Sources Extensions (MSE) API.
+    // On WebOS MSE does support AC-3 and EAC-3 only on audio mp4 file but not on audiovideo mp4
+    // therefore until audio and video is not separated when generating stream and m3u8 this should
+    // return false.
+    if (browser.web0sVersion >= 4) {
+        return false;
+    }
+
     if (browser.tizen || browser.web0s) {
         return true;
     }