From 8818a026d647b984825c92deacdc0630d6715b45 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=81lvaro=20Velad=20Galv=C3=A1n?= <ladvan91@hotmail.com>
Date: Tue, 28 Feb 2023 20:16:16 +0100
Subject: [PATCH] fix: Reject TS content on Edge (#5043)

Fixes https://github.com/shaka-project/shaka-player/issues/4955
---
 lib/polyfill/mediasource.js | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/lib/polyfill/mediasource.js b/lib/polyfill/mediasource.js
index 4508185804..5a981e8484 100644
--- a/lib/polyfill/mediasource.js
+++ b/lib/polyfill/mediasource.js
@@ -61,6 +61,11 @@ shaka.polyfill.MediaSource = class {
         // Bug filed: https://bugs.webkit.org/show_bug.cgi?id=165342
         shaka.polyfill.MediaSource.stubAbort_();
       }
+    } else if (shaka.util.Platform.isEdge()) {
+      shaka.log.info('Rejecting TS container.');
+      // TS content is broken on Edge in general.
+      // See https://github.com/shaka-project/shaka-player/issues/4955
+      shaka.polyfill.MediaSource.rejectContainer_('mp2t');
     } else if (shaka.util.Platform.isTizen2() ||
         shaka.util.Platform.isTizen3() ||
         shaka.util.Platform.isTizen4()) {
@@ -122,6 +127,23 @@ shaka.polyfill.MediaSource = class {
     };
   }
 
+  /**
+   * Patch |MediaSource.isTypeSupported| to always reject |container|. This is
+   * used when we know that we are on a platform that does not work well with
+   * a given container.
+   *
+   * @param {string} container
+   * @private
+   */
+  static rejectContainer_(container) {
+    const isTypeSupported = MediaSource.isTypeSupported;
+
+    MediaSource.isTypeSupported = (mimeType) => {
+      const actualContainer = shaka.util.MimeUtils.getContainerType(mimeType);
+      return actualContainer != container && isTypeSupported(mimeType);
+    };
+  }
+
   /**
    * Patch |MediaSource.isTypeSupported| to always reject |codec|. This is used
    * when we know that we are on a platform that does not work well with a given