fix: Fix MediaCapabilities polyfill on Hisense (#4927)

fixes #4925
shaka-project · Jan 23, 2023 · 6a48cfe · 6a48cfe
1 parent d9fa4eb
commit 6a48cfe
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diff --git a/lib/polyfill/media_capabilities.js b/lib/polyfill/media_capabilities.js
@@ -48,14 +48,17 @@ shaka.polyfill.MediaCapabilities = class {
     // should always install polyfill for WebOS browsers.
     // Since MediaCapabilities implementation is buggy in EOS browsers, we
     // should always install polyfill for EOS browsers.
+    // Since MediaCapabilities implementation is buggy in Hisense browsers, we
+    // should always install polyfill for Hisense browsers.
     let canUseNativeMCap = true;
     if (shaka.util.Platform.isApple() ||
         shaka.util.Platform.isPS5() ||
         shaka.util.Platform.isPS4() ||
         shaka.util.Platform.isWebOS() ||
         shaka.util.Platform.isTizen() ||
         shaka.util.Platform.isChromecast() ||
-        shaka.util.Platform.isEOS()) {
+        shaka.util.Platform.isEOS() ||
+        shaka.util.Platform.isHisense()) {
       canUseNativeMCap = false;
     }
     if (canUseNativeMCap && navigator.mediaCapabilities) {

diff --git a/lib/util/platform.js b/lib/util/platform.js
@@ -238,6 +238,14 @@ shaka.util.Platform = class {
     return shaka.util.Platform.userAgentContains_('PlayStation 4');
   }
 
+  /**
+   * Check if the current platform is Hisense.
+   */
+  static isHisense() {
+    return shaka.util.Platform.userAgentContains_('Hisense') ||
+        shaka.util.Platform.userAgentContains_('VIDAA');
+  }
+
   /**
    * Check if the current platform is Virgin Media device.
    */